Highly concentrated dispersions of fluorescent organic nanoparticles (FONs), broadly used for optical tracking, bioimaging and drug delivery monitoring, are obtained using a newly designed micromixer chamber involving high impacting flows. Fine size tuning and narrow size distributions are easily obtained... Read More
Fluorescent organic nanoparticles, microfluidics, size and control modulation, photophysics, photochemistry
We report the coupling of dynamic light scattering (DLS) in microfluidics, using a contact-free fibre-optic system, enabling the under-flow characterisation of a range of solutions, dispersions, and structured fluids. The system is evaluated and validated with model systems, specifically micellar... Read More
The formation of porous nanostructures on surfaces and the control of their size and shape is fundamental for various applications. The creation of nanotubes is particularly difficult to implement without the aid of hard and rigid templates. Recently, methods that... Read More
Electropolymerization, Soft-template, Reverse micelles, Porous nanostructures, Hydrophobicity, Water adhesion
The presence of nanoplastics in the ocean and soil demonstrates their global distribution in the environment. Due to their colloidal properties, nanoplastics can influence trace metal speciation in natural matrices, which has been poorly addressed due to the lack of... Read More
Systemic treatments for ischemic stroke as a disease with high disability and death have been yet unsuccessful. Combined treatments can potentially cause better results in treatment of patients with Stroke. In this study we assessed the neuroprotective effect of modafinil-coated... Read More
Radical polymerization of styrene in aqueous emulsions pressurized by CO2 has been investigated with a view to development of low energy miniemulsion polymerization. The general requirement of high energy mixing to generate miniemulsions comprising sub-micrometer-size monomer droplets has long been... Read More
carbon dioxide; miniemulsion; radical polymerization, in situ dynamic light scattering
Scope The study aims to assess the role of factors assumed to be involved in the transfer of carotenoids from plant matrices to dietary emulsions in the upper digestive tract. Methods and Results Transfer is first measured as a function... Read More
In this work, we present for the first time undeniable evidence of nano-plastic occurrence due to solar light degradation of marine micro-plastics under controlled and environmentally representative conditions. As observed during our recent expedition (Expedition 7th Continent), plastic pollution will... Read More
nano-plastic, plastic pollution, in situ dynamic light scattering
In this study, activated carbon was prepared from pine cones and then was modified using Fe3 O4 nanoparticles. Afterwards, the characterization of the nano-adsorbent surface was completely investigated using different analyses such as scanning electron microscopy (SEM), X-ray diffraction, dynamic... Read More
Magnetic activated carbon nanocomposite; Heavy metals; Adsorption; Pine cone
Rapid development of nanotechnology in recent years has raised concerns about nanoparticle (NPs) release into the environment and its adverse effects on living organisms. The present study is the first comprehensive report on the anatomical and ultrastructural changes of a... Read More
The quantitative determination of trace levels of uric acid has potential applications in the medical field. In this work, a simple colorimetric estimation of uric acid based on localized surface plasmon resonance (LSPR) band of polyvinyl pyrrolidone-capped-silver nanoparticles (PVP-Ag-NPs) is... Read More
Cellulose (CNF) and chitin (ChNF) nanofibers are known to form materials that are both tough and strong. In this study, we hypothesize that the inertness of networks produced from CNF and ChNF makes them ideal templates for heterogeneous reactions and... Read More
The self-assembly of an arylazopyrazole-based photosurfactant (PS), based on cetyltrimethylammonium bromide (CTAB), and its mixed micelle formation with CTAB in aqueous solution was investigated by small angle neutron and X-ray scattering (SANS/SAXS) and UV–vis absorption spectroscopy. (251 characters) Read More
photosurfactant CTAB arylazopyrazole micelle SANS SAXS liposome
Targeted drug delivery systems have been developed as a promising strategy for targeted delivery of the drugs, genes, and biomolecules to the target tissue. In this study, a drug delivery system based on layered double hydroxide (LDH), as a carrier,... Read More
Layered double hydroxides Curcumin Galactose Targeted drug delivery systems Hepatocellular carcinoma
In this study, we investigate the thermodynamics of lanthanide-based coordination polymer molecular alloys. We demonstrate that if lanthanide ions have many chemical similarities, the solubility of homo-lanthanide-based coordination polymers can vary significantly from one lanthanide ion to another. (263 characters) Read More
Cell penetrating peptides (CPPs) are small molecules capable of crossing lipid membranes and transporting cargos of varied sizes and nature inside cells. Two cellular uptake mechanisms have been identified: endocytosis and direct translocation through the cellular membrane. (238 characters) Read More
The emphasis of the present study is to investigate the potential of magnetic iron oxide nanoparticles synthesized using bagasse from sugarcane (M-NIOB). M-NIOB was infused onto the modified batch reactor (M-BR) stirrers using mesh structures for the adsorption of Cr6+... Read More
adsorption; functionalization of polymers; magnetism and magnetic properties; theory and modeling
HIV-1 P24 protein-derived peptides-loaded chitosan nanoparticles (CS-NPs) were synthesized, based on the ionic gelation method and development of electrostatic interactions between CS-NPs and negatively charged of HIV-1 P24 protein-derived peptides. Dynamic light scattering analysis (DLS) revealed that CS-NPs had a... Read More
HIV-1 P24 protein-derived peptides-loaded chitosan nanoparticles (CS-NPs) were synthesized, based on the ionic gelation method and development of electrostatic interactions between CS-NPs and negatively charged of HIV-1 P24 protein-derived peptides. Dynamic light Read More
The surface coordination of p-sulfonato- (C[4]), p-sulfonatothia- (SC[4]) and p-sulfonato-sulfoxocalix[4]arene (SO2C[4]) on La0.9Tb0.1F3 nanoparticles (TbNP) was investigated by UV-Vis absorption and luminescence spectroscopies. SO2C[4] displayed the strongest affinity towards the NPs and a significant antenna effect leading to observation of... Read More
Chemical flooding, one of the Enhanced Oil Recovery (EOR) techniques used to increase oil production, consists in the injection in the well of an aqueous formulation containing various chemical additives such as surfactants. However, its performance can be significantly altered... Read More
Carbon nanotubes act as regulators of plant germination and growth and are able to change the morphology and physiology of plant cells. The castor plant (Ricinus communis L.) belongs to the Euphorbiaceae family and is a very important medicinal plant.... Read More
MWCNTs, germination, growth, Euphorbiaceae, Ricinus communis
Widespread use of zinc oxide nanoparticles (ZnO-NPs) threatens soil, plants, terrestrial and aquatic animals. Thus, it is essential to explore the fate and behavior of NPs in soil and also its mechanism of interaction with soil microbial biodiversity to maintain... Read More
The potential use of molten salt-based nanofluids as thermal energy storage material in Concentrated Solar Power plants has gained attention over the last years due to their enhanced storage capacity. The possible effects of the salt-based nanofluid production at industrial... Read More
Nanofluid, Molten salt, Rheology, Particle size distribution, Specific heat
Graphene is a flexible and transparent conductor which can be used in varied material-apparatus applications, counting solar cells, phones, touch panels, and light-emitting diodes (LED). In the current experiment, Graphene preparation by Top-down method and stability of Graphene-Water nanofluid studied.... Read More
One of the most popular types of bone cements is polymethylmethacrylate (PMMA). The properties of this bone cement have attracted many researchers effort to modify its properties. In this study, after preparation of chitosan (Cs) powder and Cs/graphene oxide (GO)... Read More
One of the most popular types of bone cements is polymethylmethacrylate (PMMA). The properties of this bone cement have attracted many researchers effort to modify its properties. In this study, after preparation of chitosan (Cs) powder and Cs/graphene oxide (GO)... Read More
Dermanyssus gallinae (PRM) is the most common blood-sucking ectoparasite in laying hens and is resistant against numerous acaricides. Silver nanoparticles (AgNPs) represent an innovative solution against PRM. The current study aimed to assess the in vitro acaricidal activity of AgNPs... Read More
Dermanyssus gallinae; silver nanoparticles; AgNPs; scanning electron microscopy; bioassays; poultry red mite; PRM; contact toxicity
Although titanium dioxide nanoparticles (TiO2 NPs) have been extensively studied, their possible impact on health due to their specific properties supported by their size and geometry, remains to be fully characterized to support risk assessment. To further document NPs biological... Read More
Titanium dioxide nanoparticles, morphology dependant toxicology, ER stress, calcium homeostasis, in situ quantification
We report the coupling of dynamic light scattering (DLS) in microfluidics, using a contact-free fibre-optic system, enabling the under-flow characterisation of a range of solutions, dispersions, and structured fluids. The system is evaluated and validated with model systems, specifically micellar... Read More
Solution self-assembly of amphiphilic block copolymers (BCs) is typically performed by a solvent-to-water exchange. However, BC assemblies are often trapped in metastable states depending on the mixing conditions such as the magnitude and rate of water addition. BC self-assembly can... Read More
Solution self-assembly of amphiphilic block copolymers (BCs) is typically performed by solvent to water exchange. However, BC assemblies are often trapped in metastable states depending on the mixing conditions, such as the magni-tude and rate of water addition. BC self-assembly... Read More
Self-assemby, block copolymers, In situ dialysis, Light and Neutron Scattering
Liposomes constitute the most exploited drug-nanocarrier with several liposomal drugs on the market. Microfluidic-based preparation methods stand up as a promising approach with high reproducibility and the ability to scale up. In this study, liposomes composed of DOPC, cholesterol, and... Read More
We have developed a bright optical setup, especially optimized for surface-enhanced Raman scattering (SERS) correlation spectroscopy. We show that the brightness of the experiment combined with the correlation approach permits in situ access to the size and shape of the... Read More
This work was aimed to synthesize novel crosslinked carboxymethyl chitosan nanoparticles (CMCS NPs) containing metformin hydrochloride (MET) using microfluidics (MF) and evaluate their performance for diabetes therapy. The field emission-scanning electron microscopy (FE-SEM) images and dynamic light scattering (DLS) results... Read More
Microfluidics, Nanoparticle, Metformin, Carboxymethyl chitosan, Drug delivery, Diabetes therapy
Iron oxide particles (IOP) are commonly used for Cellular Magnetic Resonance Imaging (MRI) and in combination with several treatments, like Magnetic Fluid Hyperthermia (MFH), due to the rise in temperature they provoke under an Alternating Magnetic Field (AMF). Micrometric IOP... Read More
Iron oxide particles, Magnetic Resonance Imaging, Biophysics, Cancer therapy, Endocytosis, Imaging
Fullerene (C60) aggregation mechanisms in aqueous media require considerable attention in the near future due to the heavy use and application of fullerene-based products within the context of nanotechnology. Such intensive development will result in the release of massive amounts... Read More
Fullerene aggregates, Fractal dimension, Characterization, in situ dynamic light scattering
Pure α-La(IO3)3 and α-La0.85Er0.15(IO3)3 nanocrystals were synthesized by a microwave-assisted hydrothermal method leading to a reaction yield of 87 ± 4%. Electron microscopy and dynamic light scattering characterizations provide evidence for the formation of nanocrystals with an average size of... Read More
Effect of addition and hybridization of Graphene (G) and Silica (SiO2) nanoparticles on thermal conductivity of water, was experimentally studied. Initially, XRD, FTIR and FESEM tests were performed to specify phase and structural analysis and microstructural-observation of nano-materials. (253 characters) Read More
Background: Melanoma is known as the most dangerous form of skin cancer; whereas the malignant choroidal melanoma is an orphan disease known as the most common primary intraocular malignancy in adults. Literature suggests that the consumption of garlic and mistletoe... Read More
In this study the effect of different high intensity ultrasound (HIU) amplitudes (25, 50 and 75%) and sonication times (5, 10 and 20 min) on the structure and functional properties of grass pea protein isolate (GPPI) was investigated. A higher... Read More
grass pea protein isolate, physicochemical alterations, protein structure
Hyaluronic acid (HA) as a covering agent was incorporated into the ascorbic acid (AA)-niosomes to improve the performance of AA delivery systems into the skin. The preparation method: Thin film hydration. Characterisation tests: Field emission scanning electron microscopy, fourier transform... Read More
Nanoplastics (NPs) are anthropogenic contaminants that raise concern, as they cross biological barriers. Metals’ adsorption on NPs’ surface also carries ecotoxicological risks to aquatic organisms. This study focuses on the impacts of three distinct NPs on the Caribbean oyster Isognomon... Read More
nanoplastics; bivalve; gene expression; trophic pathway; metal
Renewable energy has become of great interest over the past years in order to mitigate Global Warming. One of the actions gaining attention is the enhancement of the thermal energy storage capacity of Concentrated Solar Power plants. The addition of... Read More
Phase change material, Nanoencapsulation, Thermal energy storage, Atomic layer deposition
The performance of bicontinuous microemulsions is usually assessed on the characteristics of the middle phase at equilibrium. However, applied to Enhanced Oil Recovery, such an evaluation would not be representative of the structure and composition of fluids in reservoir rocks.... Read More
microemulsions, composition, Nuclear Magnetic Resonance, Micro-Computed Tomography, Dynamic Light Scattering, Small Angle X-ray scattering, phase diagram
In this study the affinity of three amino acids for the surface of non-stoichiometric hydroxyapatite nanoparticles (ns-nHA) was investigated under different reaction conditions. The amino acids investigated were chosen based on their differences in side chain polarity and potential impact... Read More
The study aims to develop a layer-by-layer (LbL) self-assembled coating of Kappa carrageenan (KC) and heparin-loaded chitosan nanoparticles on the AZ91 alloy modified using micro-arc oxidation (MAO) to control its high corrosion rate and improve the hemocompatibility. In this regard,... Read More
The adsorption of Reactive Red 33 dye from aqueous solution onto light expanded clay aggregate (LECA) in a batch mode, fixed-bed reactor has been investigated. The adsorption studies were determined as a function of dye initial concentration, pH, flow rate,... Read More
1,3-Propanediaminium methanesulfonate [(PDA)(MeSO3)] was synthesized as the first nanoaliphatic ammonium salt via a safe and simple chemical route in aqueous media. [(PDA)(MeSO3)] ammonium salt was characterized by XRD, TEM, SEM, EDS, DLS, AFM, 1H NMR, 13C NMR, FT-IR, TG, and... Read More
Ammonium salt · Nano · Organocatalyst · 2-Amino-3-cyano-4H-pyrans · Recyclability
Nanoparticles (NPs) formed from hyperbranched polymers are highly attractive organized structures in nanomedicine. Herein, we utilize copper-catalyzed azide-alkyne cycloaddition of hyperbranched poly(arylene oxindole) derivatives to prepare amphiphilic conjugates with different degrees of PEGylation that form spherical NPs in water with... Read More
PEGylation; hyperbranched polymers; cisplatin; drug release; nanomaterials; cellular uptake
Nano Fast Cement, NFC, is a nanocomposite with short setting time for repairing root teeth canals as an alternative to Mineral Trioxide Aggregate. The downside of this new tooth restorative material is the poor workability and low strength. To overcome... Read More
Nano Fast Cement; Poly(vinyl alcohol); Mechanical properties; Workability
Antifungal bioactive compounds in Thyme extract are prone to degradation by oxidation, heating or light. For preventing of this problem, encapsulation process is a valuable method to protect these natural products. The aim of this study was to encapsulate of... Read More
Cigarette butts (CGB) are equivalent to plastic litter in terms of number of pieces released directly into the environment. Due to their small size and social use, CGB are commonly found in natural systems, and several questions have been raised... Read More
Degradation of plastic waste in the environment leads to the formation of microplastics and nanoplastics. To better understand the fate, behavior and reactivity of nanoplastics, it is essential to conduct experiments with representative and well-characterized nanoplastics. (238 characters) Read More
Using fractal protein aggregates as building blocks, porous fibers were produced. The suspension of aggregates was coinjected with a solution of calcium chloride. Sol–gel transition of the suspension was induced by diffusion of calcium ions in the jet. The production... Read More
Identification of nanoplastics in complex environmental matrices remains a challenge. Despite the increase in nanoplastics studies, there is a lack of studies dedicated to nanoplastics detection, partially explained by their carbon-based structure, their wide variety of composition, and their low... Read More
Hierarchically porous materials offer the opportunity for catalyst development in regards to improving catalytic performances. In the present work, the combination of latex synthesis, sonochemical reduction and two-step catalysed sol–gel process has been demonstrated to be a versatile method for... Read More
The occurrence of nanoplastics in the environment is now known and presents new threats linked to plastic debris issues. New questions about the formation pathways and life cycle assessment of nanoplastics in continental and marine environments have been raised. In... Read More
This study used the gas-blowing method to develop a nanoporous hydrogel using poly (3-sulfopropyl acrylate-co-acrylic acid-co-acrylamide) grafted onto salep. The synthesis of the nanoporous hydrogel was optimized by various parameters for maximum swelling capacity. The nanoporous hydrogel was characterized using... Read More
The environmental fate and behavior of nanoplastics (NPs) and their toxicity against aquatic organisms are under current investigation. In this work, relevant physicochemical characterizations were provided to analyze the ecotoxicological risk of NPs in the aquatic compartment. For this purpose,... Read More
The plant extracts were applied for synthesis of Ag-nanoparticles and expected such biological processes benefit from advantages like eco-friendly, cost-effective, and safe for human use. Accordingly, polyphenol compounds and antioxidant properties of this understudy plant extract was initially qualified and... Read More
Recently, the development of green methods for carbon dots (CDs) synthesis using natural precursors has received considerable attention. In this regard, fluorescent CDs with high quantum yield have been synthesized from Red Beetroot as a natural precursor via a low-cost,... Read More
Carbon dot Natural source Red Beetroot Static quenching Pd2+ ion
Herein, spirulina algae were used for synthesizing green fluorescent-carbon dots (G-CDs) due to their featured properties and compatibility in the environment. New G-CDs-based fluorescent probes have been synthesized through a facile hydrothermal method, and various techniques were employed to characterize... Read More
Stability of dispersed materials remains an important question in a wide variety of fields such as cosmetics, catalysis, food or energy and the environment. As stability is directly linked to the size of the dispersed colloids it is essential to... Read More
One of the most important methods for increasing the oil recovery of petroleum reservoirs is gas injection. However, it will not result in good oil recovery in many cases due to a low volumetric sweep efficiency. Foam flooding emerged as... Read More
Increasing use of silver nanoparticles (AgNPs) in various fields as mentioned recently like cosmetology, clinical nanotechnologies and medicine causes the growth of a nontoxic and green synthesis methodology. The present study provided a facile stable one-step synthesis of AgNPs in... Read More
The development and use of nanomaterials, especially of nickel oxide nanoparticles (NiONPs), is expected to provide many benefits but also has raised concerns about the potential human health risks. Inhaled NPs are known to exert deleterious cardiovascular side effects, including... Read More
endothelial dysfunction; calcium; cyclic stretch; human pulmonary artery endothelial cells; nickel oxide nanoparticles; mitochondria alteration; reactive oxygen species
In New Caledonia, anthropic activities, such as mining, increase the natural erosion of soils in nickel mines, which in turn, releases nickel oxide nanoparticles (NiONPs) into the atmosphere. Pulmonary vascular endothelial cells represent one of the primary targets for inhaled... Read More
We assessed the anti-inflammatory, anti-oxidative and anti-remodeling impacts of a synthesized myrtenol-loaded niosome in rats with allergic asthma. Forty-nine rats were divided into seven groups of control, vacant niosome (VN), Asthma, Asthma+VN, Asthma+SM (simple myrtenol), Asthma+NM (niosomal myrtenol, 8 mg/kg),... Read More
This work describes a novel approach to improve the dispersion of a nanoparticle MgCr2O4 additive in the matrix of magnesia-chrome refractories by functionalizing the nanoparticle surfaces with silanol groups. (181 characters) Read More
Herein, the innovative and highly effective nitrogen-doped carbon dots (N-CDs) fluorescent probes were conveniently fabricated using spirulina algae and l-arginine as the raw materials by using a one-pot hydrothermal treatment. The as-prepared N-CDs exhibited great stability, exceptional optical performance, superior... Read More
In the present study, polyurethane (PU) nanocomposite scaffolds containing bioactive glass nanoparticles (BG-NPs) were successfully fabricated through the electrospinning process. The BG-NPs were synthesized through the sol–gel method. PU solutions (10% w/v) containing different weight percentages of the BG-NPs (5,... Read More
When exposed to radiation, photo-responsive block copolymer nanoparticles disassemble to liberate a possible carried guest. However, the particle disruption is rarely accompanied by a polymer chain disintegration into molecular fragments, that would facilitate clearance from the body. (249 characters) Read More
The current agricultural practice is to develop novel Nano agrochemicals in the form of Nano pesticides. Many researchers in the world have foretold an upheaval in present agricultural practice. This paper aims at the application of nanotechnology for plant protection... Read More
A simple and cost-efficient method for fluorescent microsphere synthesis, which does not require any fluorescent monomers or modification steps to incorporate fluorescent moieties into the polymer particles, is reported. (192 characters) Read More
benzophenone, fluorescent microspheres, poly(divinylbenzene), precipi-tation polymerization, rhodamine B, type II photoinitation, type II pho-toinitiated precipitation polymerization
An immunomagnetic optical probe based on a core/shell magnetic nanoparticle–quantum dot was fabricated for detection of Streptococcus agalactiae, the causative agent of pneumonia and meningitis in newborns. The silica-coated magnetic nanoparticles conjugated with anti-S. agalactiae monoclonal antibody provided high specificity... Read More
We herein reported the preparation of an eco-friendly aqueous yellow ceramic ink and subsequent examination of its printability for ink-jet printing applications. For this purpose, a water based ceramic ink was formulated using ceramic pigments to give a clear color... Read More
Carbon nanohorns and oxidised carbon nanohorns-based nanofluids were characterised by taking one step forward. The advantage of studying oxidised carbon nanohorns is that they are surfactant-free. The stability of both nanofluids was checked after a 3-month preparation period at high... Read More
Solar absorbers, Carbon nanohorns, Oxidised carbon nanohorns, Scattering albedo, High temperature stability
Iron oxide nanoflowers can be synthesized through a polyol route firstly introduced almost 2 decades ago by Caruntu et al, presenting multi-core morphology, several grains (around 10 nm) being attached together (and obviously sintered). These IONFs present outstanding properties for... Read More
magnetic nanoparticles; polyol synthesis; multicore iron oxide nanoflowers; magnetic hyperthermia; specific absorption rate; AC magnetometry; dynamic hysteresis loops; HR-TEM; Fast Fourier Transformation (FFT); structural defects; disclination lines; planar inclusions; DC magnetization curves; specific magnetization; Field cooled and zero field cooled magnetization curves; effective magnetic anisotropy constant; Linear Response Theory (LRT); Stoner-Wohlfarth (SW) model.
In this work, the reinforcing effects of polystyrene microspheres in a hydrolyzed polyacrylamide (HPAM) matrix was studied. The experimental design approach was used to optimize the rheological behavior of the HPAM polymer. The effects of three important parameters, including the... Read More
The well-known synthesis of the two polymorphs of the {[Fe(Htrz)2(trz)](BF4)}n spin crossover coordination polymer is explored with new template-free methods that allow a control over the local synthetic conditions. (187 characters) Read More
Chemical synthesis, Granular materials, Mixtures, Nanoparticles, Transmission electron microscopy
Introducing bacteriophage MS2 virus-like particles (VLPs) as gene and drug delivery tools increases the demand for optimizing their production and purification procedure. PEG precipitation method is used efficiently to purify VLPs, while the effects of pH and different electrolytes on... Read More
Various environmentally aged plastic wastes were collected from the environment and crushed to the submicronic scale to get a mix of nanoplastics (NPs) of different natures – mostly polyolefins (PE, PP), polyesters (PET), polyvinylics (PS and PVC) and undefined shapes... Read More
Background Exosomes are natural nanoparticles that are involved in intercellular communication via transferring molecular information between cells. Recently, exosomes have been considered for exploitation as novel drug delivery systems due to their specific properties for carrying specific molecules and surface... Read More
Exosome . Paclitaxel . Glioblastoma cell line . Sonication; loading
In this letter, we report a new, one-step, rapid, and easy-to-implement method for the synthesis of PEGylated gold nanoparticles (PEG-AuNPs) having a narrow size distribution and very interesting plasmonic properties. Unmodified polyethylene glycol molecules with a molecular weight of 1000... Read More
Zwitterionic carbon dots (CDs) have received much attention as a result of good photostability, high biocompatibility, and high quantum yield. In this study, novel zwitterionic CDs were synthesized using a simple hydrothermal method of citric acid (CA) and l-histidine as... Read More
In the present study, the several novel beads, multi-stimuli responsive were designed based on CMC-ECH-CTS with various CMC/CTS ratio 1:1, 1:2 and 2:1 (S1–S3) to survey the targeted delivery and the triggered release of the model drugs. The reaction was... Read More
CMC, CTS, Magnetic beads, Releasing drug, Cytoxicity
In this work, a novel free AgNPs composite, St-A-E/M, and nanocomposite beads, St-A-E/M-Ag, as a novel drug carrier were successfully prepared and used as controlled-release drug delivery systems for methyl prednisolone as a model drug. The structure of the resulted... Read More
Zinc selenium nanoparticles (ZnSe NPs) are widely used in many industrial, environmental and biomedical fields. However, the biological potential of ZnSe NPs has not been studied in detail. The present study focused on ZnSe NPs algae-based synthesis using aqueous extract... Read More
Zinc selenide nanoparticles (ZnSe), Green synthesis, Gracilaria corticata, Biological activity
This study presents phytochemical characterization and biological evaluation of Origanum vulgare L. essential oil (OEO) formulated as polymeric micelles drug delivery systems as a possible non-invasive approach for the management of skin tags. GC-MS analysis of Romanian OEO revealed the... Read More
Background: The aim of this study was to make a bioactive bone cement based on poly (methyl methacrylate) (PMMA) with suitable mechanical properties. Methods: PMMA has been modified by fabricating a composite consisting of biphasic calcium phosphate (BCP) 68 wt%,... Read More
Bioactivity; biphasic calcium phosphate; bone cement; graphene; poly (methyl methacrylate).
This work aimed at the synthesis of hydrogel-based composite core/shell nanoparticles and their subsequent surface modification with thermoresponsive copolymers. Submicron hydrogel-based nanoparticles were obtained from the layer-by-layer coating of silica nanoparticles with two natural oppositely-charged polyelectrolytes, chitosan and sodium alginate.... Read More
In this study, talc-supported nano-galvanic Sn doped nZVI (Talc-nZVI/Sn) bimetallic particles were successfully synthesized and utilized for Cr(VI) remediation. Talc-nZVI/Sn nanoparticles were characterized by FESEM, EDS, FTIR, XRD, zeta potential, and BET analysis. (234) Read More
In this work, nitrogen-doped carbon dots (N-CDs) based fluorescent probes were synthesized using m-phenylenediamine and citric acid as both nitrogen and carbon source through the hydrothermal method. The structural and optical properties of synthesized N-CDs were investigated by transmission electron... Read More
Carbon dot Static quenching Fe3+ ion Citric acid m-phenylenediamine
Here, a novel ring-implanted poly vinyl alcohol (PVA) contact lens (CL) is fabricated and evaluated as a therapeutic CL with potential of sustained release of hyaluronic acid (HA). HA is loaded on chitosan (CS) nanoparticles (NPs) and then the HA-loaded... Read More
The engineering of nanomaterials, because of their specific properties, is increasingly being developed for commercial purposes over the past decades, to enhance diagnosis, cosmetics properties as well as sensing efficiency. However, the understanding of their fate and thus their interactions... Read More
E. coli, silica nanoparticles, membrane, toxicity, AFM
Nanomaterials are increasingly valued tools in drug delivery research as they offer enhanced stability, controlled release and more effective drug encapsulation. Though yet to be introduced in clinical trial, mesoporous silica nanoparticles are promising delivery systems, due to their high... Read More
The present work displays a thorough study of the optical spectroscopy of multilevel RE-doped tin oxide nanocrystals. Our study provides the structural grounds about the behavior of the RE emission under site-selective excitation as well as the capability of the... Read More
Regarding their unique properties, metal and metal oxide nanoparticles such as iron nanoparticles are used in different environmental and engineering aspects. In the field of nanotechnology, a cost-effective and non-hazardous approach is the green synthesis of nanoparticles using plant extracts... Read More
Magnetite nanoparticles, Iron recovery, Steel industry waste, Green synthesis
Going a step further from bulk organosilicas to nanosized materials, we describe herein the preparation of mesoporous organosilica nanoparticles derived from mono- and bis-silylated proline-valinol amides, both by grafting on preformed mesoporous silica nanoparticles (MSN) and by a co-condensation method... Read More
The properties in aqueous solution of polymer–particle composites (PPC) depend on the size and the concentration of both the particles and the polymers as well as the interactions between them. In this work, rheological behaviour was studied in a semi-diluted... Read More
TiO2 nanoparticles are a major component in many areas, and especially for dye-sensitized solar cells (DSSC) as a result of their electronic structure that allows them to collect the electrons transferred from the dye molecules after sunlight irradiation, as well... Read More
Crystals, Electrical conductivity, Minerals, Oxides, Physical and chemical processes
Selective extraction of phospholipids (PLs) from camelina press cake and scallop by-products was investigated using Supercritical Fluid Extraction at 45 °C, 25 MPa, with (2–30%) ethanol (EtOH) as co-solvent. A two-step process consisting of a first extraction with CO2 +... Read More
Biogenic selenium nanoparticles (SeNPs) have been shown to exhibit increased bioavailability. Fermentation of pollen by a symbiotic culture of bacteria and yeasts (SCOBY/Kombucha) leads to the release of pollen content and enhances the prebiotic and probiotic effects of Kombucha. The... Read More
The surface functionalization of silver nanoparticles (NPs) by Raman reporters has stimulated a wide interest in recent years for the design of Surface-Enhanced Raman Spectroscopy (SERS) labels. However, silver NPs are prone to oxidation and aggregation, which strongly limits their... Read More
A facile sol-gel route has been applied to synthesize hybrid silica-PVA-iron oxide nanocomposite materials. A step-by-step calcination (processing temperatures up to 400 °C) was applied in order to oxidize the organics together with the iron precursor. Transmission electron microscopy, X-ray... Read More
magnetic silica hybrids; maghemite; morpho-textural characterization; toxicology; sol-gel technique
The ability of nanoplastics (NPTs) to bioaccumulate and cotransport pollutants in the whole organism is one of the most dangerous aspects of this form of plastic debris, defining a new class of emerging pollutants that is still largely unknown. In... Read More
Albendazole is a benzimidazole derivative with documented antitumor activity and low toxicity to healthy cells. The major disadvantage in terms of clinical use is its low aqueous solubility which limits its bioavailability. Albendazole was incorporated into stable and homogeneous polyurethane... Read More
We examine the solution structures in a mixed surfactant system of sodium dodecyl sulfate (SDS) and N,N-dimethyldodecylamine N-oxide (DDAO) in water, on both sides of the two-phase boundary, employing dynamic light scattering, small-angle neutron scattering, and Fourier transform infrared spectroscopy.... Read More
Chemical structure, Dynamic light scattering, Micelles, Sodium dodecyl sulfate, Surfactants
This study introduces a new nanocrystallization method assisted by ultrasounds that produces needles or nanocubes of CMONS, a stilbene dye, with excellent control over polymorphism and narrow size distribution. Owing to the production of radicals from dissolved dioxygen by high-intensity... Read More
Supramolecular cyclodextrin-based nanoparticles (CD-NPs) mediated by host-guest interactions have gained increased popularity because of their “green” and simple preparation procedure, as well as their versatility in terms of inclusion of active molecules. Herein, we showed that original CD-NPs of around... Read More
In this paper, the effect of different parameters on Fe3O4/water nanofluid preparation characteristics is investigated experimentally. Two criteria, stability and magnetism, are employed to characterize prepared ferrofluids. Dynamic light scattering methods (DLS) distribution and transmission electron microscopy (TEM) images are... Read More
The increasing amount of plastic debris in the environment and its disintegration into submicrometric particles are cause for concern. Due to the colloidal nature of nanoplastics, their environmental fate should be investigated separately from that of microplastics. Abiotic factors greatly... Read More
In this study, the interactions of wheat starch (WS) (5%, w/w) with sage seed gum (SSG) (0–0.50%, w/w) were explored by steady and dynamic rheological tests and Fourier transform infrared (FTIR) spectroscopy measurements as well. Higher levels of SSG incorporation... Read More
Solid-state, wet-chemical and sonochemical routes of synthesis were assayed to obtain Bi2O3 particles. X-Ray powder diffraction (XRD), scanning electron microscopy (SEM) and dynamic light scattering (DLS) were applied to characterize the obtained particles. Then, they were evaluated as electrode materials... Read More
The abundant literature involving asphaltene often contrasts dynamic measurements of asphaltene solutions, highlighting the presence of small particle sizes between 1 and 3 nm, with static scattering measurements, revealing larger aggregates with a radius of gyration around 7 nm. (242) Read More
A new hybrid compound was synthesized via the covalent grafting of vanadium-substituted Wells-Dawson type polyoxometalate (Bu4N)5H4[P2W15V3O62] to folic acid. The cytotoxic effect of the resulted bioactive hybrid compound was investigated on cervical (HeLa) and human breast (MCF-7) cancer cells. (258... Read More
Ferrite spinel’s MFe2O4 (M = Co, Fe, Zn, Mn, and Cu) nanoparticles were produced by a co-precipitation method. The X-ray diffraction (XRD) analysis was used to verify phase purity, crystal structure, and average crystallite size of MFe2O4 nanoparticles. All samples... Read More
A recently revisited biobased styrenic monomer, acetyl-protected 4-vinylguaiacol (AC4VG), was used for the synthesis of partially biobased, functional core–shell polymers. P(S-co-BA)@PAC4VG and PBA@PAC4VG latex particles with a PAC4VG shell were prepared using a two-step seeded radical emulsion polymerization process. (281... Read More
Super paramagnetic graphene oxide (GO) − Fe3O4 nanoparticle composites were prepared and characterized by conventional techniques such as XRD, SEM, EDX, FT-IR, Raman, XPS, DLS and zeta potential, etc. TEM studies have confirmed nanoparticle nature of the composites. The GO-magnetic... Read More
An interface can be subtly engineered utilizing nanoparticle-surfactant interactions by controlling surface activity and surface charge balancing. In this research, the effect of N-doped Graphene Quantum Dot particles (N-GQDs) and Cetyl trimethylammonium bromide surfactant (CTAB) presence in the air/water interface... Read More
In this work, SmCrO3 nanopowder was synthesized via sol gel route assisted by citric acid and cetyltrimethylammonium bromide (CTAB) in water. The obtained SmCrO3 perovskite oxide nanopowder exhibits strong fluorescence at near-UV and visible regions in polar solvents such as... Read More
Samarium chromite; Chemosensor; Explosives sensing; Fluorescence quenching; Fluorescence resonance energy transfer
In this paper, we present the obtaining of Fe3O4-PAA–(HP-γ-CDs) ferrimagnetic nanobioconjugates (PAA: polyacrylic acid, HP-γ-CDs: hydroxypropyl gamma-cyclodextrins) in a hybrid core-shell biostructure (core: inorganic Fe3O4 nanoparticles, and shell: organic PAA–(HP-γ-CDs)) and their use in superparamagnetic hyperthermia without cellular toxicity and... Read More
The present study reports the synergistic antibacterial activity of biosynthesized silver nanoparticles (AgNPs) with the aid of a combination of chitosan and seaweed-derived polyphenols as a green synthetic route. Under optimum synthesis conditions, the rapid color change from yellowish to... Read More
By carefully controlling the electrostatic interactions between cationic liposomes, which already incorporate magnetic nanoparticles in the bilayers, and anionic gold nanoparticles, a new class of versatile multifunctional nanohybrids (plasmonic magneto-liposomes) that could have a major impact in drug delivery and... Read More
Purpose: Red chili peppers have been highly valued in gastronomy and traditional medicine since ancient times; it seems that it is not just an ingredient for food but also a good remedy for various medical conditions such as increased blood... Read More
corneometry, drug delivery system, erythema, FTIR, SANS, UV-Vis, zeta-potentia
Graphene oxide (GO) is a mixture of carbon, oxygen, and hydrogen. GO sheets used to make tough composite materials, thin films, and membranes. GO-water nanofluid's rheological behavior was investigated in this research. Various mass fractions: 1.0, 1.5, 2.0, 2.5, and... Read More
ANN, correlation, graphene oxide, rheological behavior, viscosity
Fe3O4 magnetic nanoparticles (MNPs) were prepared by a co-precipitation method with oleic acid as a surfactant and characterized by FT-IR, TEM, DLS, XRD, VSM techniques. XRD, DLS and TEM analysis of this catalyst clearly showed the formation of cubic structure... Read More
magnetic nanoparticle, catalisis, selective oxidation
Bacterial cellulose (BC) was produced via the static fermentation process using G. xylinus. Cellulose and diethylaminoethyl cellulose (DEAEC) were converted to carboxymethyl cellulose (CMC) and carboxymethylated diethylaminoethyl cellulose (CMDEAEC) while to prepare the composites, two different methods were used: by... Read More
Nano pesticides have better penetration strength and high surface to volume ratio than traditional pesticides. In this communication we reported a novel nano formulation of Tricyclazole a systemic fungicide widely used to control rice blast disease and also to improve... Read More
In this study, a magnetic metal–organic framework (MMOF) was synthesized and post-modified with poly(propyleneimine) dendrimer to fabricate a novel functional porous nanocomposite for adsorption and recovery of palladium (Pd(II)) from aqueous solution. (221 characters) Read More
Olive crop is frequently treated with copper fungicides to combat foliar and fruit diseases such as olive leaf spot caused by Fusicladium oleagineum and anthracnose caused by Colletotrichum spp. The replacement of copper-based products with more eco-friendly alternatives is a... Read More
In this paper, a new Schiff base based on porous chitosan-glutaraldehyde /montmorrilonite nanoparticles modified with 3-aminopropyl triethoxysilane (PCG/ NaMMTNPs-APTES) nanocomposite was prepared using cationic copolymerization technique. The structure of the biosorbents was characterized using FTIR, SEM, TEM, DSC, TGA/DTG, BET,... Read More
The survival of cells in a three-dimensional scaffold until the ingrowth of blood vessels is an important challenge in bone tissue engineering. Oxygen generating biomaterials can provide the required oxygen and prevent hypoxia in a tissue-engineered scaffold. (223 characters) Read More
Oxygen release, Microcarrier, Calcium peroxide, Bone tissue engineering
This study was aimed at fabricating and evaluating the physical and bioproperties of nanofast cement (NFC) as a replacement of the MTA. The cement particles were decreased in nanoscale, and zirconium oxide was used as a radiopacifier. The setting time... Read More
Preventing the growth of potentially deadly bacteria by newly synthesized nanoparticles (NPs) is of great importance in the development of future drugs. Here, chromium-doped alumina (Al2O3:Cr) NPs with an average diameter of about 6 nm were synthesized by a novel... Read More
γ-Al2O3:Cr nanoparticles ● Chemical method ● Sol–gel method ● Reactive oxygen species ● Antibacterial activity
Background and aim: The extract of ginger, obtained from the rhizome of Zingiber officinale, contains 6-gingerol, 6-shogaol, 8-gingerol, and 10-gingerol. It has many therapeutic effects such as being chemopreventive against stroke and heart diseases, malabsorption, bacterial infections, indigestion, and nausea,... Read More
CD1 Nu/Nu mice, drug carrier, hollow nanoparticles, noxiousness, Zeta potential
Native soy protein has poor emulsifying property compared to relatively flexible proteins. In order to improve soy protein surface activity, protein was partially denatured under controlled heating and shearing condition to facilitate the formation of oil-water emulsions. (236 characters) Read More
Although enhanced ferrite nanoparticles (NPs) have been envisioned for use in future biomedical applications, less attempt has been made to tailoring and optimizing their detailed magnetic properties and specific loss power (SLP) values. Herein, CoxFe3−xO4 (0 ≤ × ≤ 1)... Read More
CoxFe3−xO4 nanoparticles, co-precipitation method, FORC analysis, magnetic anisotropy, magnetic hyperthermia, specific loss power
In this study, the rheological behavior of MWCNT-TiO2/5W40 hybrid nanofluid was examined experimentally and then the results were compared with regression-based methodologies. Performing FESEM and DLS, the molecular structure, nanoparticle size distribution of the samples were inspected. (252 characters) Read More
Sodium lignosulphonate (NaLS) from spent sulfite liquor was purified by ultrafiltration, and the structure was confirmed by FTIR analysis. NaLS decreases water surface tension from 72.44 mN/m to 65.36 mN/m when its concentration increases from 0% to 1%. The critical... Read More
In this work the scaffolds were made by foam replication method. The results from SEM showed that scaffolds with and without coating have high porosity and well-interconnected pore structure, and the polymer coating caused a significant increase in the mechanical... Read More
Bioglass; Bone tissue engineering; Chitosan; Poly (3-hydroxybutyrate); Titania
The aim of this work is to evaluate the influence of a spatial salinity gradient, as encountered in estuaries when fresh water meets salt water, on the aggregation features of fullerene nanoparticle aggregates (nC60). To model these environmental conditions, we... Read More
The aim of this study is to demonstrate how the flow and diffusion of nanoplastics through a salinity gradient (SG), as observed in mangrove swamps (MSPs), influence their aggregation pathways. These two parameters have never yet been used to evaluate... Read More
Tetragonal zircon-type codoped Yb, Ln–GdVO4 (Ln=Tm, Ho, Er) upconverting nanocrystals with square and rectangular sections were prepared through an efficient low-temperature hydrothermal synthesis. Further processing that combined annealing at 600 °C followed by coating of the surface with a uniform... Read More
Ester-silica nanoparticles (NPs) were prepared using a facile two-surfactant synthesis route in neutral medium involving silica (tetraethyl orthosilicate, TEOS) and organosilica (3-(trimethoxysilyl)propyl 5-(trimethoxysilyl)pentanoate, PMe) precursors. The ester hydrolysis generates carboxylic acid groups, which confer a strongly negative zeta potential to... Read More
Among biocontrol fungi, Trichoderma species produce a wide range of bioactive compounds with antifungal activities. In this study, Di-(2-Ethylhexyl) Phthalate (DEHP) is identified via gas chromatography-mass spectrometry (GC-MS) device in Trichoderma atroviridae (1-3) secondary metabolites and its antifungal effectiveness is... Read More
In this study, PDMS13-b-POEGMAx diblock copolymers consisting of a CO2-philic poly(dimethylsiloxane) (PDMS) block connected to a thermosensitive hydrophilic poly(oligoethylene glycol methacrylate) (POEGMA) block were synthesized by reversible addition–fragmentation chain-transfer (RAFT) radical polymerization. (280) Read More
Stimuli-responsive carriers capable of recognizing and responding to physiological changes (external stimuli such as photo, temperature, pH, etc.) play an essential role in targeting drug delivery. In this study, Hollow polydopamine (PDA) nanocapsules was developed with a considerably small mean... Read More
picric acid (2,4,6-trinitrophenol, PA) is a common constituent of many powerful explosives, thus, development of the chemical probes for trace level detection of PA is a crucial current challenge in both public security and environmental protection. In this work, the... Read More
Covalent organic frameworks (COFs) are crystalline materials with intrinsic porosity that offer a wide range of potential applications spanning diverse fields. Yet, the main goal in the COF research area is to achieve the most stable thermodynamic product while simultaneously... Read More
crystal growth, nanoreactor technology, micelles, 3D COFs, processability, microrobots crystal growth, nanoreactor technology, micelles, 3D COFs, processability, microrobots
Non-viral gene delivery methods are considered due to safety and simplicity in human gene therapy. Since the use of cationic peptide and niosome represent a promising approach for gene delivery purposes we used recombinant fusion protein and cationic niosome as... Read More
Implementing metallic nanoparticles as research instruments for the transport of therapeutically active compounds remains a fundamentally vital work direction that can still potentially generate novelties in the field of drug formulation development. Gold nanoparticles (GNP) are easily tunable carriers for... Read More
The combination of high specific surface area and high porosity content as diffusion routes for adsorption/desorption in monodispersed solid state mixed oxide ceramic nanosized hollow porous particles enabled high hydrogen storage capacity with promising platform for controlled gas molecules delivery.... Read More
Gold nanoparticles are currently investigated as theranostics tools in cancer therapy due to their proper biocompatibility and increased efficacy related to the ease to customize the surface properties and to conjugate other molecules. Betulin, [lup-20(29)-ene-3β, 28-diol], is a pentacyclic triterpene... Read More
Alumina with 20 wt% zirconia (stabilized with 3 mol% Y2O3) nanopowders were synthesized using sol-gel route by hydrolysis and condensation reactions of organic-inorganic precursors in the presence of different surfactants such as pluronic P123, cetyltrimethyl ammonium bromide (CTAB) and poly... Read More
Introduction: Mikania micrantha has been traditionally used for wound dressings and to promote the healing of sores. This is due to the content of alkaloids and terpenoids/steroids compounds. Hyperglycemia is a good medium for bacterial growth that inhibits the wound... Read More
Compressive Strength, Flexural Strength, Mineral trioxide aggregate, Multi-walled carbon nanotube, Nano Fast Cement, Radiopacity, Wet stirred media milling
Introduction: Mikania micrantha has been traditionally used for wound dressings and to promote the healing of sores. This is due to the content of alkaloids and terpenoids/steroids compounds. Hyperglycemia is a good medium for bacterial growth that inhibits the wound... Read More
The work focuses on an experimental evaluation of the changes of thermal conductivity (TC) of ethylene glycol-based nanofluid containing SiO2 nanoadditives against volume concentration of nanoadditives (φ) and temperature. The experiments are carried out in the φ range of 0–2.5%... Read More
Luminescence thermometry is one of the most currently studied approaches among the non-contact and non-invasive thermometry techniques working at the micro- and nanoscales, useful in situations where conventional thermometry is not able to make measurements, such as in the temperature... Read More
A three steps synthesis route is proposed to generate thermosensitive and magnetically responsive γ-Fe2O3@Wax@SiO2 sub-micrometer capsules with a paraffinic core and a solid and brittle shell. The process integrates Pickering-based emulsions, inorganic and sol–gel chemistries to promote monodisperse in size... Read More
In the present study, the rheological behavior analysis was conducted on a water-based nanofluid containing reduced graphene oxide nanoparticles. The analysis was performed in the concentration range of 1.0–5.0 {mg/ml} and shear rates of 12.23, 24.46, 36.69, 61.15, 73.38, and... Read More
Thermometry at the nanoscale is an emerging area fostered by intensive research on nanoparticles (NPs) that are capable of converting electromagnetic waves into heat. Recent results suggest that stationary gradients can be maintained between the surface of NPs and the... Read More
Thermosensitive polymer-grafted iron oxide nanoparticles studied by in situ dynamic light backscattering under magnetic hyperthermia - IOPscience iopscience.iop.org magnetic nanoparticles, thermosensitive polymers, magnetic hyperthermia, dynamic light scattering, light backscattering, radiofrequency magnetic field, sol-gel and click chemistry
Unlike many step polymerizations, the polymerization of bifunctional thiol and alkene monomers can be carried in emulsion to prepare a range of sulfur-containing polymer particles differing markedly from conventional emulsion chain polymers. This study examines how the change of polymerization... Read More
Epidemiological emerging evidence shows that human exposure to some nanosized materials present in the environment would contribute to the onset and/or progression of Alzheimer’s disease (AD). The cellular and molecular mechanisms whereby nanoparticles would exert some adverse effects towards neurons... Read More
Understanding the reversible reassembly properties of ferritins (FRTs) is crucial for enabling their applicability in nanomedicine. These properties include drug loading capabilities and also subsequent payload release in desired site-of-action. (216) Read More
Tumor Protein D54 (TPD54) is an abundant cytosolic protein that belongs to the TPD52 family, a family of four proteins (TPD52, 53, 54 and 55) that are overexpressed in several cancer cells. Even though the functions of these proteins remain... Read More
Polydiacetylene micelles were assembled from four different cationic amphiphiles and photopolymerized to reinforce their architecture. The produced micelles were systematically investigated, in interaction with siRNAs, for intracellular delivery of the silencing nucleic acids. (245) Read More
micelles, cationic amphiphiles, photopolymerization, siRNAs, drug delivery
Polydiacetylene micelles were assembled from four different cationic amphiphiles and photopolymerized to reinforce their architecture. The produced micelles were systematically investigated, in interaction with siRNAs, for intracellular delivery of the silencing nucleic acids. (245) Read More
In this study, a closed loop two-stage leaching process has been experimentally and theoretically established for the selective dissolution of metals from electrode material of spent Ni-MH batteries. In the first step, baking parameters, such as temperature, acid concentration, and... Read More
With the goal of controlling the oxidation state of cerium ions in Ce-doped Y3Al5O12 nanocrystals (YAG:Ce), different gases (Ar/H2, O2, Ar) were bubbled inside the solution of precursors and solvent prior to the solvothermal synthesis. As assessed by X-ray absorption... Read More
Curcuma is one of the most famous medicinal and tropical aromatic plants. Its health benefits have been appreciated and exploited in traditional Asian medicine since ancient times. Various studies have investigated its complex chemical composition and demonstrated the remarkable therapeutic... Read More
Secondary metabolites, curcuma, mass spectra, silver nanoparticles, phytocarrier system antioxidant activity
A novel catalyst preparation procedure is proposed in order to enhance the noble metal distribution at low loadings, while controlling the hierarchical porosity of the support material. Thus, a silica-supported platinum catalyst with hierarchical porosity was prepared using a combination... Read More
Nanomaterials are being extensively produced and applied in society. Human and environmental exposures are, therefore, inevitable and so increased attention is being given to nanotoxicity. While silica nanoparticles (NP) are one of the top five nanomaterials found in consumer and... Read More
Nanofluids based on molten salts have been recently studied thanks to the increase in some thermophysical properties compared to the base salt. Despite the interest shown in such material, information on its stability over time and viscosity is lacking, especially... Read More
Proteinoids are non-toxic biodegradable polymers based on thermal step-growth polymerization of natural or synthetic amino acids. Hollow proteinoid nanoparticles (NPs) may then be formed via a self-assembly process of the proteinoid polymers in an aqueous solution. (230 characters) Read More
The vinylic monomer methylstyrene farmin (MSF) was synthesized by interacting p-chloromethyl styrene with farmin in basic distilled water. Crosslinked poly(methyl styrene farmin) nanoparticles (PMSF NPs) were then synthesized by dispersion co-polymerization of the MSF monomer with the crosslinking monomer tetra(ethylene... Read More
Quaternary ammonium compounds; nanoparticles; antibacterial and biofilm
The increased demand for water highlights the need to utilize reclaimed water of various types. In agriculture, for example, which is considered the largest consumer of freshwater, irrigation with treated wastewater can replace much of the need for freshwater. Wastewater... Read More
(1) Background: Nanomedicine has recently emerged as a promising field, particularly for cancer theranostics. In this context, nanoparticles designed for imaging and therapeutic applications are of interest. We, therefore, studied the encapsulation of upconverting nanoparticles in mesoporous organosilica nanoparticles. (282... Read More
upconversion; periodic mesoporous organosilica nanoparticles; cancer
In this study, Grass pea (Lathyrus sativus) protein isolate (GPPI)/Alyssum homolocarpum seed gum (AHSG) complex nanoparticles were used as a wall material for encapsulation of Curcumin (Cur). For this purpose, GPPI-Cur-AHSG capsules were prepared by two fabrication methods and physicochemical,... Read More
Transport of aerosols resulting from sprinkler irrigation of treated wastewater is a complex phenomenon due to the combined effect of several parameters including fine droplets (<0.15 mm) and wind speed, which are the most important vectors for pathogen transmission. (229... Read More
Among classical nanoporous oxide membranes, anodic aluminum oxide (AAO) membranes, made of non-connected, parallel and ordered nanochannels, are very interesting nanoporous model systems widely used for multiple applications. Since most of these applications involve local phenomena at the nanochannel surface,... Read More
Green and efficient mass production of graphene sheets with high quality and electrical conductivity is intriguing for both academic scientists and industry. Among numerous production methods suffering from complexity or harsh chemical media, direct and high-yield exfoliation of graphite in... Read More
Interaction of nanoparticles (NPs) as a significant threat to ecosystems with biological processes of plants is very important. Here, the effects of cobalt oxide (Co3O4) NPs on some physio-biochemical characteristics of Brassica napus L. were investigated. The two-weeks seedlings were... Read More
The effects of suspensions of cerium oxide nanoparticles sprayed onto marigold seedlings (Calendula officinalis L.) at concentrations between 50 and 3200 mg L−1 were studied. At concentrations of 50 and 100 mg L−1, the nanoparticles had a slight positive effect... Read More
The nanoparticles influence on plants’ biological processes has not been clearly understood. Increase of nanoparticles in the environment during advent of industrial technologies can be a significant threat to ecosystems, and their interaction with plants is very important. The aim... Read More
The way nanoplastics aggregate in the environment is one of the key properties that control their final fate and impact on the environment. In the present work, to better predict their transportation pathways, nanoplastic homoaggregation was studied in saltwater to... Read More
This work concerned synthesis and characterization of an organic water-based coating based on poly (methyl methacrylate-co-butyl acrylate-co-acrylic acid) through seeded semi-batch emulsion polymerization. Silica nanoparticles were added in situ under controlled pH and temperature conditions at different mass concentrations, and... Read More
The aim of this paper is to study the effect of very low dose gamma radiation exposure on the plasmonic behavior of gold nanoparticles. For this purpose, gold nanoparticles were exposed to three different dose rates of radiation, with the... Read More
Radiation detection, Gold nanoparticles, Plasmonic, Salt effect, Gamma ray
The nanoparticles influence on plants’ biological processes has not been clearly understood. Increase of nanoparticles in the environment during advent of industrial technologies can be a significant threat to ecosystems, and their interaction with plants is very important. The aim... Read More
Doping the fuel with fuel-borne catalysts is an economical and inventive option for reducing the emissions from conventional fuel. The present investigation explores the effect of Au/CeO2 doping in diesel fuel on combustion and emission characteristics of the compression ignition... Read More
This study assessed the effects of nanoplastics (NPs) using for the very first time microfluidic devices (chip) mimicking transition waters. Three kinds of NPs were tested: crushed NPs from polystyrene pellets (NP-PS), or from Guadeloupe beaches (NP-G); and latex PS... Read More
Creatine transporter (CrT) deficiency is an X-linked intellectual disability caused by mutations of CrT. Aim: This work focus on the preclinical development of a new therapeutic approach based on a microemulsion (ME) as drug delivery system for dodecyl creatine ester... Read More
creatine, creatine transporter deficiency, dodecyl creatine ester, drug delivery, microemulsion, nasal administration, neurotherapeutics for CTD
Omeprazole (OME)-loaded cellulose acetate phthalate nanoparticles (CAP NPs) are prepared by the use of microfluidic (MF) nanoprecipitation method for antiulcer evaluations. First, it is found that the samples synthesized by MF have smaller size (~65 nm) with lower polydispersity index... Read More
Microfluidic, Bulk, Omeprazole, In vitro, In vivo, Cellulose acetate phthalate
Background and Objectives: Curcumin (Cc) as an active substance is known for its anti-inflammatory, anticoagulant, antioxidant, and anti-carcinogenic effects, together with its role in cholesterol regulation, and its use in different gastrointestinal derangements. On the other hand, curcumin can be... Read More
drug delivery systems; polyurethane; cancer management; curcumin; release kinetics
Some of the most promising fields of application of ionic liquid-based colloids imply elevated temperatures. Their careful design and analysis is therefore essential. We assume that tuning the structure of the nanoparticle-ionic liquid interface through its composition can ensure colloidal... Read More
Photocatalytic degradation of organic pollutants (dyes, drugs, pesticides...) is of high interest. In this study, a unique supramolecular architecture of perylene diimide functionalized graphitic carbon nitride (PCN) was prepared and used as a support for UiO-66 nanoparticles. The organic-inorganic heterojunction... Read More
Perylene diimide, g-C3N4, Metal organic frameworks, Organic-inorganic heterojunction, Photocatalysis, Rhodamine B
Nanoplastics (NPTs) are defined as colloids that originated from the unintentional degradation of plastic debris. To understand the possible risks caused by NPTs, it is crucial to determine how they are transported and where they may finally accumulate. Unfortunately, although... Read More
Nanoparticles used for medical applications commonly possess coatings or surface functionalities intended to provide specific behavior in vivo, for example, the use of PEG to provide stealth properties. Direct, quantitative measurement of the surface chemistry and composition of such systems... Read More
Plasma electrolytic oxidation (PEO) is a cost-effective and versatile technique to achieve protective oxide coatings in light metals. Composite coatings containing B4C nanoparticles were produced by the PEO technique on a Ti6Al4V alloy. (204 characters) Read More
Cleaving is usually required to characterize the molecular weight of grafted polymers on substrates. Here, we report on a technique to estimate the molecular weight of grafted polystyrene (PS) (Mngrafted PS) in PS-grafted cellulose nanocrystals (PS-g-CNCs) without chain cleavage. PS-g-CNCs... Read More
The self-assembly of poly(ethylene glycol)-block-poly(trimethylene carbonate) PEG-b-PTMC copolymers into vesicles, also referred as polymersomes, was evaluated by solvent displacement using microfluidic systems. Two microfluidic chips with different flow regimes (micromixer and Herringbone) were used and the impact of process conditions... Read More
Green synthesized nanoparticles (GSNPs) display fascinating properties compared to physical and chemical synthesized ones. GSNPs are currently used in numerous applications such as food packaging, surface coating agents, environmental remediation, antimicrobial, and medicine. (247 characters) Read More
Perilla frutescens Green synthesis Silver nanoparticles Antioxidant Antibacterial Anticancer
Tremendous efforts have been put into designing high gravimetric energy density lithium sulfur batteries (LIS) through increasing the areal sulfur loading in the cathode, however little to no attention has been paid to the volumetric energy density of LIS. Due... Read More
Highly luminescent and color-tunable stable colloidal suspensions of molecular alloys are reported. They are produced via a green synthetic route in ethanol medium. The mean hydrodynamic diameter of the colloids is about 140 nm and the colloidal suspensions are stable... Read More
The use of molten salt-based nanofluids as heat transfer fluids or thermal energy storage materials to increase the efficiency of Concentrated Solar Power plants has gained attention due to the use of the renewable energies against Global Warming. One of... Read More
Pneumatic transportation systems (PTS) were recently proposed as a method to carry ready-for-injection diluted monoclonal antibodies (mAbs) from the pharmacy to the bedside of patients. This method reduces transportation time and improves the efficiency of drug distribution process. However, mAbs... Read More
Proteinoid nanoparticles composed of l-lysine and l-phenylalanine were prepared and showed enantioselective adsorption of l-amino acids at various pH values, emphasizing the chiral nature of the particles. The adsorption was examined using circular dichroism, isothermal titration calorimetry and ζ-potential measurements.... Read More
Anthocyanins as one of the main natural groups of food colorants undergo quick color fading, which can be diminished through protein association. The stabilization of cyanidin-3-glucoside (CYG) through binding to bovine serum albumin (BSA) was investigated at pH 3.0 using... Read More
Nanoparticles play an important role in controlling the mobility of pollutants such as arsenic (As) in the environment. In natural waters, aggregates of nanoparticles can be constituted of organic matter (OM) associated with iron (Fe). However, little is known about... Read More
instrument coupling, in situ dynamic light scattering, nanoparticle aggregation
Carbon nanoparticles are very useful in solar thermal applications as they absorb much of the solar spectrum, are cheap and have excellent optical properties. Carbon nanoparticles-thermal oil-based nanofluid was prepared by a two-step method with diphenyl sulfone as the surfactant... Read More
Solar absorbers, Carbon black, Thermal oil, Absorption coefficient, Nanofluids
We present here a perspective detailing the current state-of-the-art technologies for the characterisation of nanoparticles (NPs) in liquid suspension. We detail the technologies involved and assess their applications in the determination of NP size and concentration. (233 characters) Read More
Nanoparticles/surfactant interplays can robustly manipulate interfacial properties, while it is still unclear how their interactions affect interface behavior. This research recap unprecedented research for determination of dynamics of adsorption and dynamic surface properties of amphiphilic sheet-like nanoparticles in anionic surfactant... Read More
The high annual production and use of cerium(IV) oxide nanoparticles (nCeO2s) may lead to their atmospheric release and substantial deposition on plants. This poses a potential threat to pollinators. We investigated the effects of nCeO2-spiked food (2–500 mg L−1) on... Read More
Pollution of water sources by industrial dyes is a priority concern around the world that the human health and the environment are being threatened by them. Therefore, efforts to remove them from wastewater are attracted considerable attention worldwide. For the... Read More
The synthesis of Mesoporous Silica Nanoparticles (MSN) covalently encapsulating fluoresceine or a photosensitizer, functionalized with galactose on the surface is described. Confocal microscopy experiments demonstrated that the uptake of galactose-functionalized MSN by colorectal cancer cells was mediated by galactose receptors... Read More
Mesoporous Silica Nanoparticles, Photodynamic therapy, Targeting, Drug delivery, Carbohydrates
Wild pansy (Viola tricolor L.) is of the Violaceae plant family. Some of the medicinal properties of this plant are related to the ability to produce and biosynthesized a group of flavonoids. Silver nanoparticles are one of the most important... Read More
Objectives: In this study, the mycosynthesis of silver nanoparticles was investigated using the endophytic fungi isolated from Taxus baccata L. (Iranian Yew). Methods: Endophytic fungi were isolated from Taxus baccata L. (Iranian Yew) and were subjected to mycosynthesis of silver... Read More
Endophytic Fungi, Taxus baccata, Silver Nanoparticles, TEM, FTIR, Antibacterial Activity
The metal complexes and amine compounds are the most frequent categories of catalysts used in polyurethanes synthesis. Unfortunately, all auxiliary substances added to a synthesis increase the toxicological risk of final products used in a therapy. In the present study,... Read More
DABCO, drug delivery system, skin irritation, Zeta potential
The synthesis of polymeric nanoparticles (NPs) with efficient drug loading content and targeting moieties is an attractive field and remains a challenge in drug delivery systems. Atomistic investigations can provide an in-depth understanding of delivery devices and reduce the number... Read More
polymeric nanoparticles, drug loading, rug delivery systems, self-assembly, antitumor drug
For the first time, an aqueous extract of Melilotus officinalis was used to synthesize bimetallic silver selenide chalcogenide nanostructures (Ag2Se-NCs). The formation of NCs was confirmed and characterized by UV–visible and FTIR spectroscopy, SEM and TEM imaging, XRD and EDX... Read More
Detonation nanodiamonds immobilized onto screen-printed gold electrodes have been modified with a phenothiazine (Azure A) by electrografting of the corresponding in situ generated diazonium salt in acidic medium in the presence of nitrite. The resulting disposable electrochemical platform has been... Read More
Detonation nanodiamonds electrografting, Azure A, NADH, ethanol biosensor, bioelectrocatalysis
The bifunctional possibilities of Tm,Yb:GdVO4@SiO2 core-shell nanoparticles for temperature sensing by using the near-infrared (NIR)-excited upconversion emissions in the first biological window, and biolabeling through the visible emissions they generate, were investigated. (244 characters) Read More
luminescence thermometry; biological windows; biolabeling; core-shell nanoparticles; HeLa cells
We studied the temperature-dependent luminescence of GdVO4 nanoparticles co-doped with Er3+ (1 mol %) and Yb3+ (20 mol %) and determined their thermal sensing properties through the fluorescence intensity ratio (FIR) technique. We also analyzed how a silica coating, in... Read More
Copper nanoparticles (CuNPs) can offer an alternative to conventional copper bactericides and possibly slow down the development of bacterial resistance. This will consequently lower the accumulation rate of copper to soil and water and lower the environmental and health burden... Read More
In the last 10 years, asymmetrical flow field flow fractionation (AF4) has been one of the most promising approaches to characterize colloidal particles. Nevertheless, despite its potentialities, it is still considered a complex technique to set up, and the theory... Read More
The miR-21 detection is essential for the accurate and early diagnosis or prognosis of most diseases. In the current study, the miR-21 detection method was performed based on the exploitation of the simple colorimetric biosensor due to the unique surface... Read More
Structurally unique polyamidoamine (PAMAM) dendrimers implanted with targeting biological moiety along with complexed radiometal constitute a favorable nano-system for diagnosis and therapy of targeted tumor sites. In the present study, carboxyl functionalities of PAMAM- generation 4 dendrimer (PAMAM-G4-COOH) were conjugated... Read More
In the present study, AS1411 aptamer conjugated gold nanoclusters (GNCs) have been introduced as a targeted radiosensitizer for enhancing megavoltage radiation therapy efficacy. GNCs with an ultra-small gold core and a bovine serum albumin shell (BSA) as a versatile nano-platform... Read More
The nanoscale size of plastic debris makes them potential efficient vectors of many pollutants and more especially of metals. In order to evaluate this ability, nanoplastics were produced from microplastics collected on a beach exposed to the North Atlantic Gyre.... Read More
A multi-component hydrogel was developed using bacterial cellulose, alginate, and gelatin with the aid of glycerol as trihydric alcohol which participates in re-distribution of hydrogen bonds in the test system. FTIR, XRD, SEM, and TGA as instrumental techniques were used... Read More
hydrogel, swelling behavior, model drug, drug delivery systems
Objective The aim of this research was to investigate the use of Stichopus herrmanni nanoparticle gel on the ulcer healing process by observing blood vessels, fibroblasts, and Collagen type-I (COL-1) expression on the 4 and 7th days after trauma. Materials and... Read More
Context: Oleanolic and ursolic acids are antitumor and antibacterial agents which are extensively studied. Their major disadvantage is the poor water solubility which limits their applications. Objectives: Oleanolic and ursolic acid were encapsulated into polyurethane nanostructures that act as drug... Read More
Antitumor, breast cancer, minimal inhibitory concentration, oleanolic acidursolic acid
One of the main challenges in wound healing is the wound infection due to various causes, of which moisture is the most important reason. Owing to this fact, wound dressings that can collect wound moisture in addition to showing antibacterial... Read More
nanofibers; solution blow spinning; hemolysis; PLA; gelatin; antibacterial; cytotoxicity green Ag nanoparticles; cell viability
Zinc oxide nanoparticles (ZnO-NPs) have attracted considerable interest owing to their physicochemical properties and vigorous biological activity. In this research, ZnO-NPs were synthesized using aqueous extract of Sargassum vulgare (SVE) as a reducing and capping agent. Morphological and physical features... Read More
When exposed to radiation, photo-responsive block copolymer nanoparticles disassemble to liberate a possible carried guest. However, the particle disruption is rarely accompanied by a polymer chain disintegration into molecular fragments, that would facilitate clearance from the body. (249 characters) Read More
Within the FP7 EU project NanoValid a consortium of six partners jointly investigated the hazard of silver nanoparticles (AgNPs) paying special attention to methodical aspects that are important for providing high-quality ecotoxicity data. Laboratories were supplied with the same original... Read More
NanoValid, Nanomaterials' aging, Dissolution, Hydrodynamic diameter, Toxicity, Ag salt
Modification of the inorganic particle surface is one approach toward enhancing the mechanical and swelling properties of a bone-inspired composite. In this study we sought to manipulate the surface of non-stoichiometric nHA particles by utilizing a gentler methacrylation approach with... Read More
Mesoporous silica nanoparticles (MSNPs) are gaining a large interest in the field of medical and biomedical applications due to their biodegradability and high loading capacity as a carrier. In this work, a simple synthesis and functionalization procedure is reported, which... Read More
Nanoformulations are complex systems where physicochemical properties determine their therapeutic efficacy and safety. In the case of nanovaccines, particle size and shape play a crucial role on the immune response generated. Furthermore, the antigen’s integrity is also a key aspect... Read More
Polymeric nanoparticles Nanovaccine Asymmetrical flow field-flow fractionation Dynamic light scattering Turn on screen reader support To enable screen reader support, press Ctrl+Alt+Z To learn about keyboard shortcuts, press Ctrl+slash Anonymous Anteater has left the document.
Oligonucleotides containing CpG motifs (cytosine-phosphate-guanosine oligodeoxynucleotide [CpG ODN]) display strong immunostimulatory effects, and polycations have been previously reported as cellular delivery system. In the present study, we investigated the adjuvant properties of combinations of a CpG ODN with various polycations... Read More
Polyurethane nano- and micro-structures have been studied intensively in the last decade as drug delivery systems for various herbal extracts as well as pure active biological substances. Their biocompatibility, haemocompatibility, safe degradation, and low-cost production are just a few advantages... Read More
Aggregation; drug delivery system; isocyanate; polymer; Zetasizer
Thymoquinone, the main bioactive ingredient of Nigella sativa essential oil, is known to have important antioxidant, antimicrobial and anti-inflammatory properties [1]. It has also been proven to reduce induced stress in Lens culinaris seeds, making it ideal as a plant... Read More
thymoquinone, Tween 85, fractionated coconut oil, fine emulsion, droplet size
More environmentally relevant nanoplastic models are urgently needed. Models of environmental plastics are used to develop analytical methods to get an accurate picture of how nanoplastics behave in natural systems, and to generate data on nanoplastics' environmental fate and impact... Read More
This study aimed to obtain high-density green pieces from α-alumina/amorphous alumina core-shell nanocomposite powder. This nanocomposite was initially obtained in the form of a pellet with high-green density using the slip-casting process. Then, it was sintered by a pressureless sintering... Read More
Graphene oxide is generally used in hydrogen storage, energy conversion, lens, and flexible rechargeable battery electrode. Silica is one of the most plentiful families of materials, which has potential to be an excellent choice for industrial applications due to its... Read More
Graphene oxide · Hybrid nanofluid · Experimental/numerical · ANN
In last decade, Graphene Oxide is widely used in flexible rechargeable battery electrode, Graphene oxide lens, energy conversion, and Hydrogen storage. In following research, preparation, thermal conductivity (TC) measurement, stability, and modeling studied for Graphene Oxide-Water nanofluid synthesized through... Read More
This paper explores a hybrid- and two mono-nanofluids and, to be more specific, it deals with the effect of adding Silica (SiO2) and Graphene (G) nanoparticles and their hybrid (G (30%) + SiO2 (70%)) on viscosity of water. For all designed hybrid-... Read More
This paper explores a hybrid- and two mono-nanofluids and, to be more specific, it deals with the effect of adding Silica (SiO2) and Graphene (G) nanoparticles and their hybrid (G (30%) + SiO2 (70%)) on viscosity of water. For all designed hybrid-... Read More
Nanomedicine has stepped into the spotlight of radiation therapy over the last two decades. Nanoparticles (NPs), especially metallic NPs, can potentiate radiotherapy by specific accumulation into tumors, thus enhancing the efficacy while alleviating the toxicity of radiotherapy. Water radiolysis is... Read More
radiation; nanoparticle; platinum; radiolysis; radioenhancement; radiosensitization; cancer treatment
In this study, we present a new approach to distinguish original honey from sucrose-overdosed one by a colloid of oxygen-deficient TiO2 nanoparticles (NPs). Results show that the original honey does not affect the colloidal NPs while sucrose-overdosed one precipitates it... Read More
Both Surface-Initiated Atom Transfer Radical Polymerization (SI-ATRP) and Surface-Initiated Activator Re-Generated by Electron Transfer ATRP (SI-ARGET ATRP) were performed to graft polystyrene and poly(4-vinylpyridine) on the surface of cellulose nanocrystals (CNCs) to evaluate the potential benefits of each method. (279... Read More
This study explores the potential of 177Lu-labeled carbon nanospheres as radio-nanoprobes for molecular imaging and therapy. The carboxyl functionalized surface of carbon nanospheres (CNS) was conjugated with [Gly-Gly-Gly-c(Asn-Gly-Arg)], G3-cNGR peptide through amide bond for targeting tumor vasculature and with [2-(4-Aminobenzyl)-1,4,7,10-tetraazacyclododecane... Read More
Multi-functional nanomaterial conjugates constructed with targeting ligands and therapeutic radioisotopes are key for the future clinical translation of radionanomedicine. However, the choice of the nanomaterial governs the in vivo oncological applications. Read More
Anisotropic nanoparticles like nanorods and nanotubes enable advances in medicine, electronics, and material science. Their self-assembled structures depend heavily on precise shape and size. We demonstrate how Cordouan’s Dynamic Light Scattering systems can reliably characterize key parameters. Read More
benzophenone, fluorescent microspheres, poly(divinylbenzene), precipi-tation polymerization, rhodamine B, type II photoinitation, type II pho-toinitiated precipitation polymerization
With a single and continuous measurement, VASCO KIN™ gives you access to all characterization data of your reaction (size distribution evolution over time). Read More
With a single and continuous measurement, VASCO KIN™ gives you access to all characterization data of your reaction (size distribution evolution over time). Read More
Chemical structure, Dynamic light scattering, Micelles, Sodium dodecyl sulfate, Surfactants
With a single and continuous measurement, VASCO KIN™ gives you access to all characterization data of your reaction (size distribution evolution over time). Read More
With a single and continuous measurement, VASCO KIN™ gives you access to all characterization data of your reaction (size distribution evolution over time). Read More
With a single and continuous measurement, VASCO KIN™ gives you access to all characterization data of your reaction (size distribution evolution over time). Read More
With a single and continuous measurement, VASCO KIN™ gives you access to all characterization data of your reaction (size distribution evolution over time). Read More
With a single and continuous measurement, VASCO KIN™ gives you access to all characterization data of your reaction (size distribution evolution over time). Read More
Fluorescent organic nanoparticles, microfluidics, size and control modulation, photophysics, photochemistry
With a single and continuous measurement, VASCO KIN™ gives you access to all characterization data of your reaction (size distribution evolution over time). Read More
With a single and continuous measurement, VASCO KIN™ gives you access to all characterization data of your reaction (size distribution evolution over time). Read More
With a single and continuous measurement, VASCO KIN™ gives you access to all characterization data of your reaction (size distribution evolution over time). Read More
With a single and continuous measurement, VASCO KIN™ gives you access to all characterization data of your reaction (size distribution evolution over time).
