• Silver exposures are rising because of the increased use of silver nanoparticles (AgNPs) in consumer products. (nih.gov)
  • Among these nanoparticles, the silver nanoparticles (SNP) with high applicability due to their antimicrobial characteristic are the most common. (ijnnonline.net)
  • Biosynthesis Characteristic of Silver ‎Nanoparticles Produced by Mine Soil ‎Bacteria Isolation, Kerman, Iran', International Journal of Nanoscience and Nanotechnology , 13(4), pp. 307-313. (ijnnonline.net)
  • The green synthesis of silver nanoparticles (AgNPs) using plant extract, the cost-effective solution, and the abundance and environmental issue have been gaining much attention to scientists. (hindawi.com)
  • Furthermore, when compared to chemical synthesis using sodium tripolyphosphate, biological synthesis of chitosan nanoparticles using plant extract as a reducing and capping agent is an eco-friendly, simple, and rapid process with smaller particle size and more stable results [ 27 , 28 ]. (springeropen.com)
  • This technique is aimed (nonexclusively) at the detection of nanoparticles produced by volumetric nanoparticle synthesis methods. (osti.gov)
  • This four-wave-mixing approach should enable advances in the understanding of nanoparticle growth that could potentially lead to improved modeling of the growth mechanisms, and thus to improve synthesis selectivity of nanoparticles and yield. (osti.gov)
  • 13. Development and characterization of magnetic iron oxide nanoparticles with a cisplatin-bearing polymer coating for targeted drug delivery. (nih.gov)
  • 1. Superparamagnetic iron oxide nanoparticles for delivery of therapeutic agents: opportunities and challenges. (nih.gov)
  • 2. Superparamagnetic iron oxide nanoparticles: magnetic nanoplatforms as drug carriers. (nih.gov)
  • 3. Superparamagnetic iron oxide nanoparticles conjugated with folic acid for dual target-specific drug delivery and MRI in cancer theranostics. (nih.gov)
  • 6. Superparamagnetic iron oxide nanoparticles (SPIONs): development, surface modification and applications in chemotherapy. (nih.gov)
  • 8. Subtle cytotoxicity and genotoxicity differences in superparamagnetic iron oxide nanoparticles coated with various functional groups. (nih.gov)
  • 10. Recent advances in superparamagnetic iron oxide nanoparticles (SPIONs) for in vitro and in vivo cancer nanotheranostics. (nih.gov)
  • 12. Development of superparamagnetic iron oxide nanoparticles (SPIONS) for translation to clinical applications. (nih.gov)
  • 14. Theranostic MUC-1 aptamer targeted gold coated superparamagnetic iron oxide nanoparticles for magnetic resonance imaging and photothermal therapy of colon cancer. (nih.gov)
  • 15. Magnetic iron oxide nanoparticles for drug delivery: applications and characteristics. (nih.gov)
  • 17. Oxidative stress response in neural stem cells exposed to different superparamagnetic iron oxide nanoparticles. (nih.gov)
  • 18. Multifunctional superparamagnetic iron oxide nanoparticles: promising tools in cancer theranostics. (nih.gov)
  • 19. Superparamagnetic Iron Oxide Nanoparticles Modified with Tween 80 Pass through the Intact Blood-Brain Barrier in Rats under Magnetic Field. (nih.gov)
  • 20. Superparamagnetic iron oxide nanoparticles (SPIONs)-loaded Trojan microparticles for targeted aerosol delivery to the lung. (nih.gov)
  • Combining Mössbauer spectroscopy with 'center of gravity' analysis can reveal how the oxidation state of iron oxide nanoparticles changes over time. (materialstoday.com)
  • abstract = "In this experimental study, combustion, performance & emission characteristics of a single cylinder D.I. diesel engine is analyzed using lemon grass oil and diesel blend B20. (ncku.edu.tw)
  • First, we compared citrate-coated AgNPs (AgNP-Cs) with Ag + , and then we assessed the roles of particle size, coating, and composition by comparing AgNP-C with two different sizes of polyvinylpyrrolidone-coated AgNPs (AgNP-PVPs) or silica nanoparticles. (nih.gov)
  • Common synthetic polymeric nanoparticles include polyacrylamide, polyacrylate, and chitosan. (wikipedia.org)
  • Festival) were treated with 0.5% chitosan coating (0.5% Ch), guava leaf-based chitosan nanoparticles coating (Gl-ChNps), and a combination treatment of 1.3 mW/cm 2 laser light followed by Gl-ChNps coating (combined treatment), then stored for 12 days at 10 °C and 85-90% RH. (springeropen.com)
  • The edible film of chitosan nanoparticles acted as a semi-permeable barrier that modified and restricted gas exchange, reduced water loss, and delayed fruit senescence. (springeropen.com)
  • In addition, the combination of laser light with chitosan nanoparticles has been shown to control the pathogens and retain the freshness of strawberries. (springeropen.com)
  • However, the low solubility of chitosan in the aqueous solution limits its application as an antifungal agent [ 24 ], which promotes the use of nanoparticles form to improve chitosan's antifungal activity and wettability. (springeropen.com)
  • and Sathiyabama & Parthasarathy [ 25 , 26 ] found that chitosan nanoparticles exhibited higher antimicrobial activity than chitosan in bulk form, possibly due to the nanoparticle's larger surface area, higher mechanical properties and more robust linking with bacteria cells. (springeropen.com)
  • None of the effects reflected simple physical attributes of nanoparticles, separate from composition or coating, as equivalent concentrations of silica nanoparticles had no detectable effects. (nih.gov)
  • To address these issues, we have tested the utility of fluorescent nanoparticles comprised of a dye-rich silica core and polyethylene glycol-coated shell. (nih.gov)
  • Silica nanoparticles (SNPs) are widely used in many scientific and industrial fields despite the lack of proper evaluation of their potential toxicity. (confex.com)
  • FAYETTEVILLE, GA, USA, September 19, 2023/ EINPresswire.com / -- Lanthanide-doped upconversion nanoparticles emerged recently as an attractive material platform for light emission. (nbc4i.com)
  • In our previous studies, we showed that drug-loaded nanoparticles had a core-shell spherical structure, with a core diameter of 200 nm and a shell thickness of 30 nm. (medscape.com)
  • [ 13 , 18 ] In this study, we also found that the morphology of HSV-TK -loaded PEG-PBLG nanoparticles was spherical or elliptical with a core-shell structure and a smooth surface under transmission-electron microscope (Figure 1A). (medscape.com)
  • (A) Transmission-electron microscope analysis revealed that the PEG-PBLG nanoparticles possessed spherical or elliptical shapes and the super-shell appeared cloud- or cotton roll-like. (medscape.com)
  • During the last 20 years, spherical gold nanoparticles have been used to research photothermal cancer therapies. (sigmaaldrich.com)
  • However, they were not optimized because spherical gold nanoparticles have limited peak absorptions (maximum ~580 nm for 100 nm diameter particles) which fall below the transmission window of 650 - 900 nm for biological entities (skin, tissue and hemoglobin). (sigmaaldrich.com)
  • Nanoparticle drug delivery focuses on maximizing drug efficacy and minimizing cytotoxicity. (wikipedia.org)
  • Here, severe acute respiratory syndrome coronavirus 2 receptor binding domain mRNA delivered via lipid nanoparticle (LNP), cationic nanoemulsion (CNE), and cationic liposome (Lipo) was constructed. (nih.gov)
  • The mRNA is placed in a lipid nanoparticle. (theepochtimes.com)
  • The lipid nanoparticle is actually designed to deliver chemotherapy to the brain," he said. (theepochtimes.com)
  • Electrochemical characteristics were evaluated with galvanostatic discharge/charge tests, which showed that the initial discharge capacity is 172 mA-h/g at 0.1C. The nanoscale carbon layers uniformly coated the particles, and the interconnected carbon nanotube network is responsible for the improved charge rate capability and conductivity. (nau.edu)
  • Nickel nanoparticles (NiNPs) are increasingly used in nanotechnology applications, yet information on sex differences in NiNP-induced lung disease is lacking. (nih.gov)
  • The proposed questions of this study are of great importance to the nanotechnology/toxicology community, namely the highly debated question of whether nanoparticle dispersion status (pre-exposure) is of importance. (cdc.gov)
  • Polymer biodegradability is an important aspect to consider when choosing the appropriate nanoparticle chemistry. (wikipedia.org)
  • The team made nanoparticles out of the polymer polydiacetylene. (nih.gov)
  • The nanoparticles for use in these studies do not require a polymer base in order to form a gel phase. (mit.edu)
  • Polymeric nanoparticles are synthetic polymers with a size ranging from 10 to 100 nm. (wikipedia.org)
  • Common synthetic strategies for polymeric nanoparticles include microfluidic approaches, electrodropping, high pressure homogenization, and emulsion-based interfacial polymerization. (wikipedia.org)
  • Polymeric nanoparticles can be created via self assembly or other methods such as particle replication in nonwetting templates (PRINT) which allows customization of composition, size, and shape of the nanoparticle using tiny molds. (wikipedia.org)
  • As a model system, we evaluated the interaction of polymeric nanoparticles and microparticles and similar particles conjugated to aptamers that recognize the transmembrane prostate specific membrane antigen (PSMA), with cells seeded in microchannels. (acs.org)
  • 4. Bioactivity of Hybrid Polymeric Magnetic Nanoparticles and Their Applications in Drug Delivery. (nih.gov)
  • Carbon nanotube-spinel lithium titanate (CNT-Li 4 Ti 5 O 12 ) nanoparticles have been synthesized by hydrothermal reaction and higher-temperature calcinations with LiOH-H 2 O and TiO 2 precursors in the presence of carbon nanotubes sources. (nau.edu)
  • HAADF imaging confirmed that carbon content exists on the surface of the CNT-Li 4 Ti 5 O 12 nanoparticles with graphitic carbon coating of 3-5 nm thickness under 800°C in the Ar gas. (nau.edu)
  • Using CRBS, carbon nanoparticles of dimensions less than 10 nm and concentrations of 10 10 cm -3 are detected in situ in a carbon arc discharge with graphite electrodes. (osti.gov)
  • Through implicit solvent coarse-grained molecular dynamics simulations, we investigate the equilibrium morphologies resulting from the self-assembly of building blocks composed of anisotropically functionalized icosahedral viral capsid nanoparticles (NPs). (cambridge.org)
  • Another desirable characteristic is that the nanoparticles can carry therapeutic genes that are too large to be carried by viral vectors. (nih.gov)
  • Nanoparticles are less likely to cause immune reactions than viral vectors, and they are easier to design and modify for specific purposes. (medlineplus.gov)
  • Some important advantages of nanoparticles are their high surface-area-to-volume ratio, chemical and geometric tunability, and their ability to interact with biomolecules to facilitate uptake across the cell membrane. (wikipedia.org)
  • Dr. Kruth's laboratory has shown that macrophages in atherosclerotic lesions demonstrate fluid-phase uptake of fluorescent LDL-like surrogate nanoparticles. (nih.gov)
  • In-vivo photothermal cancer therapy as well as cytosomal uptake of drug loaded gold nanoparticles for DNA therapy. (sigmaaldrich.com)
  • Researchers developed a liver-inspired 3-D device made of hydrogel and nanoparticles that can remove toxins from blood. (nih.gov)
  • The concept of using 3-D printing to encapsulate functional nanoparticles in a biocompatible hydrogel is novel," Chen says. (nih.gov)
  • The technology is novel porous, buoyant, core-shell hydrogel nanoparticles containing novel high affinity reactive chemical baits that harvests biomarkers in body fluids. (nih.gov)
  • They formed scaffold structures composed of the nanoparticles embedded in a non-toxic gel often used in biomedical applications. (nih.gov)
  • One such technique uses special structures called nanoparticles as vectors to deliver the genetic material or gene-editing components into cells. (medlineplus.gov)
  • Nanoparticles are incredibly small structures that have been developed for many uses. (medlineplus.gov)
  • Nanoparticles and microparticles have many potential biomedical applications ranging from imaging to drug delivery. (acs.org)
  • Control nanoparticles and microparticles lacking aptamers and microparticle−aptamer bioconjugates did not adhere to LNCaP cells, even under very low shear conditions (∼0.28 dyn/cm 2 ). (acs.org)
  • Each family has its unique characteristics. (wikipedia.org)
  • Engineered nanoparticles (NPs) are widely used in many sectors, such as food, medicine, military, and sport, but their unique characteristics may cause deleterious health effects. (dovepress.com)
  • The work performed in this experiment has determined a portion of the phase transition curve for different concentrations of ethanol and water as a solvent in this nanoparticle gel. (mit.edu)
  • NIBIB-funded researchers have created nanoparticles for successful gene therapy of a mouse model of macular degeneration. (nih.gov)
  • Protein expressed in the photoreceptors and retina of a rat one month after gene therapy using a nanoparticle carrying a reporter gene (yellow). (nih.gov)
  • For gene therapy, these tiny particles are designed with specific characteristics to target them to particular cell types. (medlineplus.gov)
  • X.Zhang, Y.A.Niu, X.D.Meng, Y.Li*, J.P.Zhao* "Structural evolution and characteristics of the phase transformations between α-Fe 2 O 3 , Fe 3 O 4 and γ-Fe 2 O 3 nanoparticles under reducing and oxidizing atmospheres", CrystEngComm, 2013, 15(40), 8166-8172. (yicaige.com)
  • This work's main purpose is to investigate the effect of Gd ³⁺ substitution on the structural, cation distribution, morphological, and magnetic characteristics of cobalt ferrite nanostructures. (researchgate.net)
  • Many engineered nanomaterials and devices are formed from nanometer-scale particles (i.e., nanoparticles) that are initially produced as aerosols or colloidal suspensions. (cdc.gov)
  • Considering the predominant applications of antimony tin oxide nanoparticles, numerous methods and techniques have been introduced to obtain them. (mis-asia.com)
  • On the contrary, synthesizing antimony tin oxide nanoparticles is still challenging, combining all the required standards and determining factors like adequate conductivity, desirable particle size crystallinity, narrow particle size distribution, and favorable dispersibility in a particular solvent. (mis-asia.com)
  • In a different method, antimony tin oxide nanoparticles are synthesized via dissolving granulated tin (Sn) in nitric acid (HNO-3). (mis-asia.com)
  • Several studies have focused on the assembly of antimony tin oxide nanoparticles into aerogels as big as a few centimeters with increasing applications as catalysis, photocatalysis, and ferroelectric agents with promising properties like high porosity, high surface area to low density magnetic and optical quality. (mis-asia.com)
  • Herein, we experimentally demonstrated the interaction between light and molybdenum disulfide (MoS 2 ) monolayer with an antimony telluride (Sb 2 Te 3 ) TI nanoparticle. (degruyter.com)
  • Platinum and palladium nanoparticle for catalytic applications to reduce the overall metal used by over one thousand times. (sigmaaldrich.com)
  • Scientists have previously developed nanoparticles that can bind certain types of toxins and neutralize them. (nih.gov)
  • Effects of nanoparticle pre-exposure dispersion status on bioactivity in the mouse lung. (cdc.gov)
  • These two characteristics are influenced by placing nanoparticles in liquid medium prior to animal exposure. (cdc.gov)
  • Thus, we hypothesize that the nanoparticle dispersion status will correlate with the in vivo bioactivity/toxicity of the particle. (cdc.gov)
  • However, the gene-transfer efficiency mediated by PEG-PBLG nanoparticles was markedly higher than that of Lipofectamine reagent at 72 h. (medscape.com)
  • Increasing ligand binding efficiency can decrease dosage and minimize nanoparticle toxicity. (wikipedia.org)
  • Minimizing dosage or dosage frequency also lowers the mass of nanoparticle per mass of drug, thus achieving greater efficiency. (wikipedia.org)
  • 16. Protein corona affects the relaxivity and MRI contrast efficiency of magnetic nanoparticles. (nih.gov)
  • A linear relationship between body weight and PV was readily determined in mice administered far red fluorescent nanoparticles sized either 20 or 30 nm. (nih.gov)
  • It is currently unclear whether a distinction in particle terminology is justified from a safety and health perspective if the particles have the same physicochemical characteristics. (cdc.gov)
  • These results demonstrate that the interaction of particles with cells can be studied under controlled conditions, which may aid in the engineering of desired particle characteristics. (acs.org)
  • Nanoparticles are virtually undetected by the immune system and there is no apparent development of antibodies that would attack the particle in a subsequent treatment. (nih.gov)
  • The first involves physical-chemical characteristics, including particle surface area. (cdc.gov)
  • Additional model validation is needed for nanoparticle s of varying characteristics, as well as extension of these models to include particle translocation to organs beyond the lungs. (cdc.gov)
  • In normal mice, the cutoff for renal filtration of nanoparticles from blood into urine was ≤11 nm. (nih.gov)
  • 30 min required matched untreated control mice to correct for nanoparticle loss (≈30%) putatively to the reticuloendothelial/phagocyte system. (nih.gov)
  • The team performed a number of experiments in rats and mice showing that the nanoparticles very efficiently carried genes into the cells of the eye and made large quantities of protein. (nih.gov)
  • Sex differences in the acute and subchronic lung inflammatory responses of mice to nickel nanoparticles. (nih.gov)
  • There is concern about the interaction of nanoparticles with human health and their effects on the environment. (nih.gov)
  • The measured and simulated dark-field scattering spectra illustrated that the enhancement of light-matter interaction could be derived from the generation of localized surface plasmons on the TI nanoparticle with distinctly boosted electric field. (degruyter.com)
  • This work would provide a new pathway for the applications of TI nanoparticles in the optoelectronics, especially light-matter interaction enhancement. (degruyter.com)
  • Herein, we experimentally demonstrated the enhancement of interaction between light and MoS 2 monolayer assisted by the Sb 2 Te 3 topological insulator nanoparticle. (degruyter.com)
  • Gold nanorods behave similarly to the gold nanoparticles, but are elongated to optimize their peak absorption and scattering characteristics ( Figure 1 ). (sigmaaldrich.com)
  • The diagnosis characteristics of gold nanostructures (also as drug delivery vectors) can be concurrently used to destroy cancer cells (therapy) using pulsed lasers. (sigmaaldrich.com)
  • The inhibition effect on Tca8113 cells after treatment with HSV-TK /GCV mediated by PEG-PBLG nanoparticles was investigated. (medscape.com)
  • In our studies, we found that HSV-TK /GCV mediated by PEG-PBLG nanoparticles caused growth inhibition of Tca8113 cells Figure 2. (medscape.com)
  • There was no difference in Tca8113 cells treated with HSV-TK -loaded PEG-PBLG nanoparticles/GCV or HSV-TK /Lipofectamine/GCV. (medscape.com)
  • The growth of Tca8113 cells was inhibited significantly after treatment with HSV-TK /GCV mediated by PEG-PBLG nanoparticles as compared with the control groups. (medscape.com)
  • To test the nanoparticles, the researchers mixed them with red blood cells and melittin, the main toxic component of bee venom. (nih.gov)
  • This produces cholesterol accumulation in macrophages to levels characteristic of macrophage foam cells in atherosclerotic plaques without requiring oxidative modification of LDL. (nih.gov)
  • Background: Biosynthesis of is one of the safe methods in nanoparticles (NP) production where local bacteria of every region can be applied for its better functionality. (ijnnonline.net)
  • Surface functionalization of nanoparticles is another important design aspect and is often accomplished by bioconjugation or passive adsorption of molecules onto the nanoparticle surface. (wikipedia.org)
  • The membrane of these GUVs is a composite material, designed with tunable characteristics: It consists of a bilayer of amphiphilic molecules and contains nanoparticles embedded within the hydrophobic core of the bilayer. (europa.eu)
  • The nanoparticle carriers have the potential to significantly expand the growing repertoire and effectiveness of gene therapies for human eye diseases, including blindness. (nih.gov)
  • Current experience, nevertheless, shows that it is often impossible to reduce fluid loss successfully with micro and macro type fluid loss additives due to the fact that their physio-chemical and mechanical characteristics still falls short of the best that can be conceived. (nfluids.com)
  • The chemical reactivity and rate of mixing are better though the characteristics of nano-particles exhibit high exterior area/capacity ratio during combustion that ultimately results in good characteristics of a diesel engine. (ncku.edu.tw)
  • Recent experiments have determined a new medium with which contain the nanoparticles is that of a chemical gel. (mit.edu)
  • The MWCNTs are decorated by Pd nanoparticles via various techniques including laser ablation in liquid, chemical reduction, and simultaneously both of them. (researchgate.net)
  • However, their characteristics may be different from those of larger particles with the same chemical composition. (nih.gov)
  • Striped gold nanoparticles are unique in several of their characteristics and applications. (mit.edu)
  • The results of this project showed that, as expected, with an increased concentration of dissolved gold nanoparticles, the gel to liquid transition temperature increased. (mit.edu)
  • Graham Hutchings and researchers at Cardiff University, UK, reportedly have oxidized liquid cyclo-octene, an alkene used in perfume production, using a catalyst made from gold nanoparticles. (cosmeticsandtoiletries.com)
  • Nanoparticles tend to agglomerate in suspension, making it difficult to accurately deliver them for in vivo or in vitro experiments. (cdc.gov)
  • 1) Background: The purpose of this in vitro study was to evaluate the color change and stability of a zinc oxide nanoparticle-poly(methyl methacrylate) (ZnO NP-PMMA) nanocomposite for denture base material after immersion in different dietary and cleaning agent solutions. (mdpi.com)
  • Zinc stearate emulsion has the characteristics of lubricating and deli. (mis-asia.com)
  • In one example embodiment the nanoparticles are bound within a simple point of care non invasive diagnostic skin patch that harvests, and protects from degradation, biomarkers elaborated from dermatologic lesions, or biomarkers present in skin exudate or transudate. (nih.gov)
  • Rapid development of nanotechnologies and their applications in clinical research have raised concerns about the adverse effects of nanoparticles (NPs) on human health and environment. (diva-portal.org)
  • The thermo-physical properties of biodiesel are improved by suspending the nano metal particles in the biodiesel, which make them an observable choice for the use of nanoparticles-added fuels in CI engine. (amrita.edu)
  • By functionalizing nanoparticle surfaces with ligands that enhance drug binding, suppress immune response, or provide targeting/controlled release capabilities, both a greater efficacy and lower toxicity are achieved. (wikipedia.org)
  • Lung dosimetry and risk assessment of nanoparticle s: evaluating and extending current models in rats and humans. (cdc.gov)
  • However, current mass-based lung dosimetry models may not fully account for differences in the clearance and translocation of nanoparticle s. (cdc.gov)
  • Despite the many advantages of nanoparticles, there are also many challenges, including but not exclusive to: nanotoxicity, biodistribution and accumulation, and the clearance of nanoparticles by human body. (wikipedia.org)
  • For example, liposome-based nanoparticles can be biologically degraded after delivery, thus minimizing the risk of accumulation and toxicity after the therapeutic cargo has been released. (wikipedia.org)
  • Effects of Debranching Conditions and Annealing Treatment on the Formation of Starch Nanoparticles and Their Physicochemical Characteristics. (bvsalud.org)
  • Due to their small size and great surface area coupled with physicochemical characteristics such as metal contaminations and charged surfaces, NPs may exhibit unpredictable genotoxic properties. (dovepress.com)
  • Scientists in the UK have identified key characteristics that enhance a nanoparticle's ability to penetrate skin which could have implications in the delivery of drugs, as well as in skin care to treat certain conditions and restrict cosmetics ingredient. (cosmeticsdesign-europe.com)
  • Swiss and Dutch scientists are calling for standards to be raised in evaluating the potential risks of consumer good sprays containing nanoparticles. (cosmeticsdesign-europe.com)
  • The surface-area-to-volume ratio of nanoparticles can be altered to allow for more ligand binding to the surface. (wikipedia.org)
  • High surface area of nanoparticles that promotes higher operating pressure and heat transfer rates that further quicken the combustion process by providing better oxidation. (amrita.edu)