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Journal articles on the topic 'Metal-containing nanoparticles'

Author: Grafiati

Published: 25 May 2024

Last updated: 31 July 2025

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1

Wang, Ji Fen, Hua Qing Xie, Zhong Xin, Yang Li, and Jing Li. "Thermal Properties of Composites Containing Metal Oxide Nanoparticles." Materials Science Forum 694 (July 2011): 146–49. http://dx.doi.org/10.4028/www.scientific.net/msf.694.146.

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We prepared a series of paraffin wax (PW) based phase change composite containing ZnO, Al2O3 and Fe2O3 nanoparticles, respectively. DSC results showed that there is a decrease trend in phase change latent heat capacity (Ls) with an increase of metal oxide nanoparticle loadings. ZnO/PW has higher Ls than those of Fe2O3/PW and Al2O3/PW with same metal oxide nanoparticle loadings. Transient short-hot-wire (SHW) method was used to measure thermal conductivity of these composites. The results showed that nanoparticle addition leads to substantial enhancement in the thermal conductivity of the compo

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Zheng, Bin, Mutsunori Uenuma, Yukiharu Uraoka, and Ichiro Yamashita. "Bioconjugates Containing Ferritin and Metal Nanoparticles." Advanced Materials Research 463-464 (February 2012): 833–36. http://dx.doi.org/10.4028/www.scientific.net/amr.463-464.833.

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Novel assemblies of gold nanoparticles or gold nanoparticles with other inorganic nanoparticles have received considerable interest due to their fascinating properties desired for various detection applications. Here we present a bioconjugate containing ferritin and gold nanoparticles. In this bioconjugate, there is a central ferritin, and a several gold nanoparticles are located around by DNA base-pairing.

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Kapustina, E. A., E. A. Titov, and М. А. Novikov. "GENOTOXICITY OF METAL-CONTAINING NANOPARTICLES." Aerospace and Environmental Medicine 56, no. 1 (2022): 26–31. http://dx.doi.org/10.21687/0233-528x-2022-56-1-26-31.

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No more than 100 nm large, nanoparticles (NPs) are distinguished by unusual mechanical, electrical, optical, thermal and magnetic properties. They are used in biology, pharmacology, medicine, chemistry, physics, materials technology and engineering industry. Nanoparticles penetrate in organism through the skin, GIT and airways. Their genotoxicity depends on size, form, mode of action and composition. Two principal mechanisms of NPs genotoxicity are primary and secondary. The primary mechanism is realized in direct interaction with the genome; the secondary mechanism is achieved through mediati

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Kurbanova, N. I., Z. N. Huseynova, N. Y. Ishenko, et al. "METAL-CONTAINING NANOPARTICLES IN A MALEINIZED POLYETHYLENE MATRIX AS NANOFILLERS FOR POLYPROPYLENE." Azerbaijan Chemical Journal, no. 1 (March 19, 2019): 54–58. http://dx.doi.org/10.32737/0005-2531-2019-1-54-58.

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5

Liu, Fangfei, and Xiong Liu. "Amphiphilic Dendronized Copolymer-Encapsulated Au, Ag and Pd Nanoparticles for Catalysis in the 4-Nitrophenol Reduction and Suzuki–Miyaura Reactions." Polymers 16, no. 8 (2024): 1080. http://dx.doi.org/10.3390/polym16081080.

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The branched structures of dendronized polymers can provide good steric stabilization for metal nanoparticle catalysts. In this work, an amphiphilic dendronized copolymer containing hydrophilic branched triethylene glycol moieties and hydrophobic branched ferrocenyl moieties is designed and prepared by one-pot ring-opening metathesis polymerization, and is used as the stabilizer for metal (Au, Ag and Pd) nanoparticles. These metal nanoparticles (Au nanoparticles: 3.5 ± 3.0 nm; Ag nanoparticles: 7.2 ± 4.0 nm; Pd nanoparticles: 2.5 ± 1.0 nm) are found to be highly active in both the 4-nitropheno

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Gouda, M., AA Hebeish, and AI Aljaafari. "New route for development of electromagnetic shielding based on cellulosic nanofibers." Journal of Industrial Textiles 46, no. 8 (2016): 1598–615. http://dx.doi.org/10.1177/1528083715627166.

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A radically new innovation was established for development of electromagnetic interference shielding. The innovation emphasis synthesis of carboxymethyl cellulose (CMC), carboxymethyl cellulose composite containing different metal nanoparticles (CMC-MNPs), and carboxymethyl cellulose nanofiber mat (CMC-NF) and carboxymethyl cellulose containing metal nanofiber mat (CMC-MNPs nanofiber mat) by electrospinning technique. Metal nanoparticles used include copper nanoparticles, iron nanoparticles, zinc nanoparticles, cadmium nanoparticles, and cobalt nanoparticles. Synthesized CMC–MNPs were characte

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Paulraj, Prabhavathi, Sankareswaran Muruganantham, Anbalagan S, Manikandan A, and Karthikeyan G. "GREEN SYNTHESIS AND CHARACTERIZATION OF SILVER NANOPARTICLES FROM WITHANIA SOMNIFERA (L.) DUNAL." Asian Journal of Pharmaceutical and Clinical Research 9, no. 5 (2016): 34. http://dx.doi.org/10.22159/ajpcr.2016.v9i5.13204.

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ABSTRACTThe metal nanoparticle synthesis is highly explored the field of nanotechnology. The biological methods seem to be more effective because of slowreduction rate and polydispersity of the final products. The main aim of this study is too the rapid and simplistic synthesis of silver nanoparticlesby Withania somnifera Linn. at room temperature. The exposure of reaction mixtures containing silver nitrate and dried leaf powder of W. somniferaresulted in reduction of metal ions within 5 minutes. The extracellular synthesized silver nanoparticles were characterized by ultraviolet-visible,infra

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Валуева, С. В., Л. Н. Боровикова, М. Э. Вылегжанина, О. В. Назарова та Е. Ф. Панарин. "Стабилизированные (био)полимерами наночастица металлов и металлоида: спектральные и структурно-морфологические характеристики". Журнал технической физики 92, № 7 (2022): 924. http://dx.doi.org/10.21883/jtf.2022.07.52645.315-21.

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A comparative study of the spectral and structural-morphological characteristics of the metal (copper, silver) and metalloid (selenium) containing nanodispercions based on biocompatible water-soluble stabilizers: bovine serum albumin, random copolymers of 2-deoxy-2-methacrylamide-D-glucose or 4-acryloyl-morpholine with 2-dimethylaminoethyl-methacrylate was carried out by means of the UV-spectroscopy, atomic-force and transmission electronic microscopy. Effect of the nature of the nanoparticle as well as polymeric stabilizer on the spectral and structural-morphological characteristics and mecha

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Batsmanova, Ludmila, Nataliya Taran, Yevheniia Konotop, Svitlana Kalenska, and Nataliya Novytska. "Use of a colloidal solution of metal and metal oxide-containing nanoparticles as fertilizer for increasing soybean productivity." Journal of Central European Agriculture 21, no. 2 (2020): 311–19. http://dx.doi.org/10.5513/jcea01/21.2.2414.

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10

Kim, Ki-Hwan, Emmanuel Lefeveure, Marc Châtelet, and Costel-Sorin Cojocaru. "Porous Alumina Template based Versatile and Controllable Direct Synthesis of Silicon nanowires." MRS Proceedings 1439 (2012): 11–16. http://dx.doi.org/10.1557/opl.2012.940.

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ABSTRACTHighly densely packed, self-organized silicon nanowires with very narrow diameter distribution were synthesized within porous anodic alumina templates with electrodeposited catalytic metal nanoparticles. For successful catalytic metal nanoparticle deposition, electrochemical-, and chemical barrier layer thinning process was investigated following anodization process. Controlled pulsed electrodeposition process was carried out for a volume calibration of desired catalytic metal nanoparticle deposition inside nanopore arrays using different metal-ion containing electrolyte. Not only sing

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11

Kalenskii, A. V., A. A. Zvekov, E. V. Galkina, and D. R. Nurmuhametov. "Modeling spectral properties of transparent matrix composites containing core-shell nanoparticles." Computer Optics 42, no. 2 (2018): 254–62. http://dx.doi.org/10.18287/2412-6179-2018-42-2-254-262.

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Optical properties of transparent matrix composites containing metal nanoparticles coated with an oxide shell were numerically simulated based on the Aden-Kerker theory applicable for concentric spheres. Using pentaerythritol tetranitrate composites (containing Al/Al2O3 nanoparticles) as an example, the linear scattering and absorption coefficients as well as the total reflectance and transmittance and collimated beam transmittance were shown to be determined by the sample thickness, the nanoparticle radius, the mass fraction of nanoparticles, and mass fraction of the oxide in the nanoparticle

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Staroń, Anita, Olga Długosz, Jolanta Pulit-Prociak, and Marcin Banach. "Analysis of the Exposure of Organisms to the Action of Nanomaterials." Materials 13, no. 2 (2020): 349. http://dx.doi.org/10.3390/ma13020349.

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The rapid development of the production of materials containing metal nanoparticles and metal oxides is a potential risk to the environment. The degree of exposure of organisms to nanoparticles increases from year to year, and its effects are not fully known. This is due to the fact that the range of nanoparticle interactions on cells, tissues and the environment requires careful analysis. It is necessary to develop methods for testing the properties of nanomaterials and the mechanisms of their impact on individual cells as well as on entire organisms. The particular need to raise public aware

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13

Barrera, Gabriele, Paola Tiberto, Paolo Allia, et al. "Magnetic Properties of Nanocomposites." Applied Sciences 9, no. 2 (2019): 212. http://dx.doi.org/10.3390/app9020212.

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The magnetic properties of various families of nanocomposite materials containing nanoparticles of transition metals or transition-metal compounds are reviewed here. The investigated magnetic nanocomposites include materials produced either by dissolving a ferrofluid containing pre-formed nanoparticles of desired composition and size in a fluid resin submitted to subsequent curing treatment, or by generating the nanoparticles during the very synthesis of the embedding matrix. Two typical examples of these production methods are polymer nanocomposites and ceramic nanocomposites. The resulting m

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Stalcup, Matt, and Stephen J. Percival. "High Entropy Alloys as Bifunctional Catalysts for Reversable Metal Air Batteries." ECS Meeting Abstracts MA2024-01, no. 3 (2024): 600. http://dx.doi.org/10.1149/ma2024-013600mtgabs.

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The development of stable non-noble metal bifunctional catalysts for the oxygen reduction reaction (ORR) and the oxygen evolution reaction (OER) are essential for technologies such as reversible metal air batteries. We have shown that synthesis of high entropy alloy nanoparticles formed through a novel synthesis method where metal precursor containing aqueous nanodroplets freely diffusing in an emulsion solution, collide with an electrode surface and the metal precursors are reduced, thus forming a homogeneous particle containing the predetermined metal composition. Afterwards, the particles a

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15

Karlsson, Hanna L., and Andrea Hartwig. "Lung Cell Toxicity of Metal-Containing Nanoparticles." Nanomaterials 12, no. 17 (2022): 3044. http://dx.doi.org/10.3390/nano12173044.

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16

YONEZAWA, Tetsu. "Overlook of Gold Nanoparticles and Other Metal Nanoparticles Containing Gold." Oleoscience 14, no. 1 (2014): 11–15. http://dx.doi.org/10.5650/oleoscience.14.11.

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Zhu, Jing, Yang Liu, Juan He, Hong Liang Wei, and Hui Juan Chu. "Carbon Nanotubes Containing Metal Nanoparticles-Graft-Hyperbranched Polyglycerols Nanocomposites." Advanced Materials Research 284-286 (July 2011): 360–64. http://dx.doi.org/10.4028/www.scientific.net/amr.284-286.360.

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New water soluble multiwall carbon nanotubes (MWCNTs) containing silver nanoparticles-grafted-hyperbranched polyglycerols (HPG) nanocomposites were synthesized and characterized successfully. In this work, MWCNTs were opened using HNO3/H2SO4mixture and filled by metal nanoparticles such as silver nanoparticles through wet chemcial method. Then MWCNTs containing silver nanoparticles (MWCNTs(Ag)) were used as macroinitiator for ring opening polymerization of glycidol and MWCNTs(Ag)-g-HPG nanocomposites were obtained. Structure of nanocomposites was evaluated by TEM, TGA and spectroscopy methods.

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18

Pandey, P. C., Atul Kumar Tiwari, Munesh Kumar Gupta, Govind Pandey, and Roger J. Narayan. "Effect of the Organic Functionality on the Synthesis and Antimicrobial Activity of Silver Nanoparticles." Nano LIFE 10, no. 03 (2020): 2050002. http://dx.doi.org/10.1142/s1793984420500026.

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In this paper, the effects of the organic reducing agent and 3-aminopropyltrimethoxysilane on the synthesis and properties of mono-, bi-, and trimetallic noble metal nanoparticles were considered; the antimicrobial activity of these nanomaterials was also evaluated. It was shown that 3-aminoptopyltrimethoxysilane-treated noble metal cations undergo rapid conversion into nanoparticles in the presence of three organic reducing agents, namely, 3-glycidoxypropyltrimethoxysilane (3-GPTMS), cyclohexanone and formaldehyde; the nanoparticles were formed on the order of one minute under microwave incub

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19

Li, Yongjiang, Xiaoyan Ma, Jingyu Ma, Zongwu Zhang, Zhaoqi Niu, and Fang Chen. "Fabrication of Pore-Selective Metal-Nanoparticle-Functionalized Honeycomb Films via the Breath Figure Accompanied by In Situ Reduction." Polymers 13, no. 3 (2021): 316. http://dx.doi.org/10.3390/polym13030316.

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Honeycomb films pore-filled with metal (Au, Ag, and Cu) nanoparticles were successfully prepared by combining the breath figure method and an in situ reduction reaction. First, a polyhedral oligomeric silsesquioxane (POSS)-based star-shaped polymer solution containing metal salt was cast under humid conditions for the formation of honeycomb films pore-filled with metal salt through the breath figure method. The morphology of the honeycomb films was mainly affected by the polymer molecular structure and the metal salt. Interestingly, the promoting effect of the metal salt in the breath figure p

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20

Pan, Hong Cheng, Wei Hong Liu, Xue Peng Li, Yan Bin Ren, and Shan Hu Liu. "Metal-Modulated Growth of Au Nanoparticles by Electropolymerized 8-Hydroxyquinoline Films." Advanced Materials Research 503-504 (April 2012): 334–37. http://dx.doi.org/10.4028/www.scientific.net/amr.503-504.334.

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8-hydroxyquinoline (8-Hq) films were electropolymerized on indium-tin-oxide-coated (ITO) glass slides by using cyclic voltammetry. The 8-Hq electropolymerized on ITO electrode (8-Hq/ITO) was immersed in a 5-mL solution containing 0.01 M phosphate buffer solution (PBS, pH 7.0), 0.8 mM cetyltrimethylammonium chloride, 20 µL of HAuCl4 (1%, w/w), and 50 µL of Au nanoparticle seeds. The mixture was incubated at 57oC for 3 h. Then Au nanoparticles were grown and deposited onto the 8-Hq/ITO electrode. It was found that some metal ions (Zn2+, Cd2+, Mg2+, and Pb2+) could inhibit the growth of Au nanopa

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Yamamoto, Shunya, Hiroshi Koshikawa, Tomitsugu Taguchi, and Tetsuya Yamaki. "Precipitation of Pt Nanoparticles inside Ion-Track-Etched Capillaries." Quantum Beam Science 4, no. 1 (2020): 8. http://dx.doi.org/10.3390/qubs4010008.

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Ion-track-etched capillaries containing nanoparticles of precious metals (e.g., Pt, Au, and Ag) can be applied to plasmonic absorber materials. The precipitation of homogeneous and highly dispersed precious metal nanoparticles inside capillaries represents a key process. Ion-track-etched capillaries (diameter: ~500 nm, length: ~25 μm) were created in polyimide film by 350 MeV Xe irradiation (3 × 107 ions/cm2) and chemical etching (using a sodium hypochlorite solution). The films with capillaries were immersed in an aqueous solution containing 0.1–10 mmol/L H2PtCl6 and 0.5 vol% C2H5OH, and then

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Finogenova, Y. A., A. A. Lipengolts, V. A. Skribitsky, et al. "Metal Nanoparticles as Radiosensitizers for Cancer Radiotherapy in Vivo." Meditsinskaya Fizika, no. 3 (October 2, 2023): 70–86. http://dx.doi.org/10.52775/1810-200x-2023-99-3-70-86.

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Metal nanoparticles are capable of enhancing the destructive effect of ionizing radiation on biological tissue, which allows them to be used as radiosensitizers for improving the efficacy of cancer radiotherapy. The most promising nanoparticles are those with a high atomic number (Z>52), since they can serve both as dose-enhancing agents for contrast-enhanced radiotherapy and as contrast media for computed tomography. Due to the high metal content in each particle and the ability to selectively accumulate in tumor tissue, nanoscale agents can deliver more metal atoms to th

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Konotop, Ye O., M. S. Kovalenko, V. Z. Ulynets, A. O. Meleshko, L. M. Batsmanova, and N. Yu Taran. "Phytotoxicity of colloidal solutions of metal-containing nanoparticles." Cytology and Genetics 48, no. 2 (2014): 99–102. http://dx.doi.org/10.3103/s0095452714020054.

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IWAKOSHI, Ayako, and Toshikatsu KOBAYASHI. "Coating Materials Containing Metal Nanoparticles Protected by Polymer." Kobunshi 53, no. 10 (2004): 813–18. http://dx.doi.org/10.1295/kobunshi.53.813.

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Stepanov, A. L., D. E. Hole, and P. D. Townsend. "Optical reflectance of insulators containing implanted metal nanoparticles." Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 161-163 (March 2000): 913–16. http://dx.doi.org/10.1016/s0168-583x(99)00782-x.

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Dzhardimalieva, G. I., A. D. Pomogailo, N. D. Golubeva, et al. "Metal-containing nanoparticles with core-polymer shell structure." Colloid Journal 73, no. 4 (2011): 458–66. http://dx.doi.org/10.1134/s1061933x11040041.

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Haryono, Agus, Sri Budi Harmami, and Dewi Sondari. "Preparation of Magnetite Nanoparticles by Thermal Decomposition of Iron (III) Acetylacetonate with Oleic Acid as Capping Agent." Materials Science Forum 737 (January 2013): 153–58. http://dx.doi.org/10.4028/www.scientific.net/msf.737.153.

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The thermal decomposition of organometallic compounds was used to synthesize magnetite nanoparticles in high boiling point organic solvent containing stabilizing surfactants. Iron (III) acetylacetonate was used as the organometallic precursor in this work. Thermal decomposition of cationic metal center leads directly to the metal oxide, in the presence of 1,2-hexadecanediol, oleylamine, and oleic acid in diphenyl ether. Characterization with the Particle Size Analyzer (PSA) showed the size of the obtained magnetite nanoparticles was 2.1 ± 0.9 nm with polydispersity index of 0.327. The morpholo

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Yannopapas, Vassilios. "An atomistic-electrodynamics theory for the optical response of periodic lattices of metallic nanoparticles in the quantum size regime." International Journal of Modern Physics B 31, no. 24 (2017): 1740001. http://dx.doi.org/10.1142/s021797921740001x.

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We present a new theoretical method for calculating the optical properties of periodic arrays of metallic nanoparticles whose dimensions are in the quantum-size limit and cannot, therefore, be described by macroscopic electrodynamic theory based on Maxwell’s equations. In the first stage, the method calculates the scattering matrix for a single metal nanoparticle described as a polyhedral cluster of atoms, via a discrete-dipole approximation/point-matching technique. The resulting scattering matrix is incorporated into a layer-multiple-scattering technique which allows the modeling of two- and

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Ding, Lingling, Zhidong Liu, Mike Aggrey, Chunhua Li, Jing Chen, and Ling Tong. "Nanotoxicity: The Toxicity Research Progress of Metal and Metal- Containing Nanoparticles." Mini-Reviews in Medicinal Chemistry 15, no. 7 (2015): 529–42. http://dx.doi.org/10.2174/138955751507150424104334.

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Anikina, Ekaterina V., and Alphiya R. Tsygankova. "Cellular markers of chronic obstructive pulmonary disease from exposure to nanoparticlecontaining aerosols." Russian Journal of Occupational Health and Industrial Ecology 60, no. 11 (2020): 723–26. http://dx.doi.org/10.31089/1026-9428-2020-60-11-723-726.

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Introduction. The role of industrial aerosol nanoparticles in the development of chronic obstructive pulmonary disease is still poorly understood. The aim of study is to determine the distribution of monocyte subpopulations in patients with chronic obstructive pulmonary disease under the influence of industrial aerosols containing nanoparticles. Materials and methods. A single-center cohort observational study included patients with chronic obstructive pulmonary disease (COPD) (GOLD 2011 criteria) who were exposed to industrial aerosols (n=32), COPD patients, tobacco smokers (n=35), and condit

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Kim, Jongwon, Hiroaki Tsuchiya, and Shinji Fujimoto. "Growth of Anodic Oxide Layers on Titanium Alloys Including Noble Metal and Transition Metal." ECS Meeting Abstracts MA2024-02, no. 67 (2024): 4571. https://doi.org/10.1149/ma2024-02674571mtgabs.

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Anodic TiO2 nanotubes have attracted attention, especially in the field of photocatalysis, enabling the generation of hydrogen from water. It has been reported that the hydrogen production can be enhanced by decorating co-catalysts onto nanotubes, and that, nanoparticles consisting of noble metal alloys can be deposited onto TiO2 nanotubes by anodization of Ti alloys containing noble metals at reducing reliance on noble metals. In this study, we studied the anodization behavior and oxide layer formation on titanium alloys containing both noble and transition metals to reduce the amount of nobl

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Kurbanova, N. I., N. A. Alimirzoeva, Z. N. Huseynova, et al. "Metal-containing nanocomposites based on isotactic polypropylene." Plasticheskie massy, no. 1-2 (March 19, 2020): 23–25. http://dx.doi.org/10.35164/0554-2901-2020-1-2-23-25.

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The eﬀect of additives of metal-containing nanoﬁllers, including zinc oxide nanoparticles, on the properties of nanocomposites based upon isotactic polypropylene (PP), using X-ray phase analysis (XPA) and thermogravitometric (TGA) analysis was studied.The improvement of the strength and rheological indexes, as well as the thermooxidative stability of the nanocomposites obtained was revealed.

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Merijs Meri, Remo, Andris Shutka, Ilmars Zalite, and Andrzej K. Bledzki. "Metal Oxide Mineral Filler Containing Polymer Nanocomposites." Solid State Phenomena 151 (April 2009): 154–58. http://dx.doi.org/10.4028/www.scientific.net/ssp.151.154.

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Metal oxide mineral filled polycarbonate (PC) nanocomposites have been investigated. Plasma-chemical synthesis has been used to obtain metal oxide nanoparticles (MON). Melt mixing has been utilized to obtain PC/MON composites with regularly organized nanostructure. Consequently, an increasing in MON content caused a small decrease of surface and volume resistivities and an increase of nanocomposites magnetic activity.

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Rayhan, Tara Hafiz, Chi Nam Yap, Arma Yulisa, et al. "Engineered Nanoparticles for Wastewater Treatment System." Civil and Sustainable Urban Engineering 2, no. 2 (2022): 56–66. http://dx.doi.org/10.53623/csue.v2i2.113.

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Industrial and commercial use of engineered nanoparticles is rising. Less care is given to the negative effects on the environment and wastewater treatment systems, which could release hazardous pathogens and microorganisms and threaten human health. Due to their size and features, artificial nanoparticles can easily enter wastewater systems and impair treatment. This paper aimed to focus on nanoparticle detection limitations and their effects on wastewater treatment technologies. Nanoparticles have the potential to be utilised in the treatment of waste water. By virtue of its exceptionally hi

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Torimoto, Tsukasa, Yasuhiro Ohta, Kazuki Enokida, et al. "Ultrathin oxide shell coating of metal nanoparticles using ionic liquid/metal sputtering." Journal of Materials Chemistry A 3, no. 11 (2015): 6177–86. http://dx.doi.org/10.1039/c4ta06643j.

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Sabo, Y. T., D. E. Boryo, I. Y. Chindo, and A. I. Habib. "Nanocomposites Transformed from Polystyrene Waste/Antimony, Barium and Nickel Oxides Nanoparticles with Improved Mechanical Properties." Journal of Applied Sciences and Environmental Management 25, no. 11 (2022): 1921–25. http://dx.doi.org/10.4314/jasem.v25i11.11.

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In this experiment, the oxide nanoparticles were synthesized via chemical precipitation and the nanocomposites were produced using in situ polymerization method with varying nanoparticles contents ranged from 0 to 5 g. The mechanical properties of the nanocomposites were investigated and compared with the values obtained for untreated polystyrene. It was observed that the mechanical properties were higher for the nanocomposites and increase with increasing nanoparticle concentrations in the samples. It can be observed that the untreated polystyrene gave a tensile strength of 945.25 N/mm2. At h

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Li, Shan Shan, Ying Nan Dong, You Ning Xu, Bing Li, and Mei Ling Tang. "Photochemical Synthesis of Pd Core @ Pt Shell Nanoparticles in Polyethylene Glycol (PEG) Solution System." Applied Mechanics and Materials 535 (February 2014): 753–57. http://dx.doi.org/10.4028/www.scientific.net/amm.535.753.

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In the sodium citrate solution systems containing double metal ions with different Pd-Pt molar ratios and single Pt (IV) ions, Pd Core @ Pt Shell nanoparticles were synthesized by the photochemical coreduction and Pd seed method, respectively. By means of characterization of TEM, the change regularity of the composite nanoparticle sizes was studied in both preparation methods. The surface chemical state of the composite nanoparticles and their structure were analyzed by X-ray photoelectron spectroscopy (XPS), confirming that Pd @ Pt nanoparticles formed are core-shell structure. Keywords: Pd C

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Umarov, A. V. "Study of Thermal Properties of Metal-Filled Nanocompositions Based on Polyethylene." Journal of Nature, Science & Technology 1, no. 4 (2021): 6–10. http://dx.doi.org/10.36937/janset.2021.004.002.

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The production of metal-containing nanoparticles is one of the important problems of modern science related to the creation of nanomaterials. Nanocomposites based on polymer matrices and uniformly distributed nanoparticles (quantum dots) isolated from each other in them have unique photoluminescent properties; in addition, polymer matrices are convenient stabilizers of nanoparticle growth and have good mechanical properties. Of the nanoparticles of semiconducting materials, metal chalcogenides (CdS, Cu) are of the greatest interest. In the chemical synthesis of metal sulfides in a polymer medi

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Utari Rahmatillah, Riki Mefta Firwanda, and Nurhayati. "NANOTECHNOLOGY AS AN ADSORBENT FOR THE HEAVY METAL (Fe): LITERATURE REVIEW." Indonesian Journal of Environmental Sustainability 1, no. 2 (2024): 39–46. http://dx.doi.org/10.22373/ijes.v1i2.3933.

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This research was a literature study that aims to understand the application of nanoparticles as heavy metal adsorbents, explore the role of nanoparticle technology in the context of environmental protection and human health, and identify effective nanotechnology. Industrial waste containing the heavy metal Fe can pose a serious threat to the environment and human health. In this study, we evaluated various literature sources discussing the use of nanoparticles, especially activated carbon, as effective adsorbents for removing heavy metals from water and waste. The results of literature studie

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Carvalho, Alexandre, Maya Marinova, Nuno Batalha, Nilson R. Marcilio, Andrei Y. Khodakov, and Vitaly V. Ordomsky. "Design of nanocomposites with cobalt encapsulated in the zeolite micropores for selective synthesis of isoparaffins in Fischer–Tropsch reaction." Catal. Sci. Technol. 7, no. 21 (2017): 5019–27. http://dx.doi.org/10.1039/c7cy01945a.

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Pushpavanam, Karthik, John Chang, Stephen Sapareto, and Kaushal Rege. "Polypeptide-Facilitated Formation of Bimetallic Plasmonic Nanoparticles in Presence of Ionizing Radiation." Nano LIFE 07, no. 01 (2017): 1650006. http://dx.doi.org/10.1142/s1793984416500069.

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Ionizing radiation, which includes X-rays and gamma rays, is used in a variety of different applications, including in human health. However, high levels of exposure can result in significant morbidity and mortality in humans. Molecular and nanoscale systems that can detect different levels of ionizing radiation can ultimately lead to effective sensing platforms for a variety of applications. In the current work, we describe the use of polypeptide-templated formation of bimetallic metal nanoparticles with potential applications as a colorimetric reporter of elevated levels of ionizing radiatio

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Vasil’kov, Alexander, Dmitry Migulin, Alexander Naumkin, et al. "Hybrid Materials with Antimicrobial Properties Based on Hyperbranched Polyaminopropylalkoxysiloxanes Embedded with Ag Nanoparticles." Pharmaceutics 15, no. 3 (2023): 809. http://dx.doi.org/10.3390/pharmaceutics15030809.

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New hybrid materials based on Ag nanoparticles stabilized by a polyaminopropylalkoxysiloxane hyperbranched polymer matrix were prepared. The Ag nanoparticles were synthesized in 2-propanol by metal vapor synthesis (MVS) and incorporated into the polymer matrix using metal-containing organosol. MVS is based on the interaction of extremely reactive atomic metals formed by evaporation in high vacuum (10−4–10−5 Torr) with organic substances during their co-condensation on the cooled walls of a reaction vessel. Polyaminopropylsiloxanes with hyperbranched molecular architectures were obtained in the

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Voronova, A. A., A. V. Naumkin, A. Yu Pereyaslavtsev, T. Batsalova, B. Dzhambazov, and A. Yu Vasil’kov. "Effect of the solvent nature on the biological activity of gold-containing systems." Доклады Российской академии наук. Химия, науки о материалах 514, no. 1 (2024): 72–80. http://dx.doi.org/10.31857/s2686953524010085.

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Gold nanoparticles were prepared by metal-vapor synthesis using isopropanol, acetone or toluene as dispersion media. The electronic states of the metal and the nature of the sorbed layer on the surface of the nanoparticles were studied. The analysis of photoelectron spectra of the obtained nanoparticles showed that regardless of the synthesis conditions, gold in all samples is in the Au0, Au+ and Au3+ states and a carbon-containing shell is present on all types of metal particles. The study of anticancer activity of nanoparticles in vitro with human cell lines showed the dependence of biologic

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Ragimova, S. K. "OBTAINING THE METAL-CONTAINING NANOPARTICLES IN POLYETHYLENE MATRIX BY MECHANO-CHEMICAL METHOD AND STUDY OF THEIR PROPERTIES." Azerbaijan Chemical Journal, no. 2 (June 18, 2020): 20–25. http://dx.doi.org/10.32737/0005-2531-2020-2-20-25.

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Balan, Poovarasi, Aaron Ng, Chee Beng Siang, R. K. Singh Raman, and Eng Seng Chan. "Effect of Nanoparticle Addition in Hybrid Sol-Gel Silane Coating on Corrosion Resistance of Low Carbon Steel." Advanced Materials Research 686 (April 2013): 244–49. http://dx.doi.org/10.4028/www.scientific.net/amr.686.244.

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Chromium pre-treatments of metal have been replaced by silane pre-treatments as more environmental friendly option. Nanoparticles can be added in the silane sol-gel network have been reported to improve corrosion resistance. In this work, the electrochemical corrosion resistance of low carbon steel coated with hybrid organic-inorganic sol-gel film filled with nanoparticles was evaluated. The sol-gel films have been synthesized from 3-glycidoxy-propyl-trimethoxy-silane (3-GPTMS) and tetra-ethyl-ortho-silicate (TEOS) precursors. These films have been impregnated with 300 ppm of silica or alumina

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Šebesta, Martin, Hana Vojtková, Veronika Cyprichová, Avinash P. Ingle, Martin Urík, and Marek Kolenčík. "Mycosynthesis of Metal-Containing Nanoparticles—Fungal Metal Resistance and Mechanisms of Synthesis." International Journal of Molecular Sciences 23, no. 22 (2022): 14084. http://dx.doi.org/10.3390/ijms232214084.

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In the 21st century, nanomaterials play an increasingly important role in our lives with applications in many sectors, including agriculture, biomedicine, and biosensors. Over the last two decades, extensive research has been conducted to find ways to synthesise nanoparticles (NPs) via mediation with fungi or fungal extracts. Mycosynthesis can potentially be an energy-efficient, highly adjustable, environmentally benign alternative to conventional physico-chemical procedures. This review investigates the role of metal toxicity in fungi on cell growth and biochemical levels, and how their strat

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Keast, Vicki J. "Atmospheric Corrosion of Silver and Silver Nanoparticles." Corrosion and Materials Degradation 3, no. 2 (2022): 221–34. http://dx.doi.org/10.3390/cmd3020013.

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Even though it is a noble metal, silver will corrode in ambient atmospheres, predominantly by reacting with sulfur-containing gases such as hydrogen sulfide (H2S) and carbonyl sulfide (OCS) to form the silver sulfide (Ag2S) acanthite. Other aspects of the environment, such as relative humidity and the presence of oxidizing species, also play a critical role. With the emergence of silver nanoparticles for a range of technological and medical applications, there has been a revival of interest in the corrosion behavior of this important metal. This article reviews the current understanding of the

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Huynh, Lana T., Stephanie N. Bonvicini, Arthur C. Pinon, and Simon Trudel. "Nanocrystalline alloys: synthesis and characterization of non-stoichiometric Co2FeAl nanocrystals." Canadian Journal of Chemistry 94, no. 4 (2016): 367–72. http://dx.doi.org/10.1139/cjc-2015-0352.

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Non-stoichiometric Co2FeAl nanoparticles are formed by the in-solution thermal decomposition of the corresponding metal acetylacetonate complexes in the presence of capping ligands followed by reduction of the obtained material under an H2-containing atmosphere. Transmission electron microscopy indicates that sub-100 nm nanoparticles are obtained, with reasonable size control. Magnetic measurements indicate that the saturation magnetization, Bloch behavior, magnetization reversal, spin-wave stiffness, and exchange stiffness are all comparable to those observed for bulk and thin-film Co2FeAl, i

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Zaccaria, Marco, Chiara Gualandi, Davide Fabiani, Maria Letizia Focarete, and Fausto Croce. "Effect of Oxide Nanoparticles on Thermal and Mechanical Properties of Electrospun Separators for Lithium-Ion Batteries." Journal of Nanomaterials 2012 (2012): 1–8. http://dx.doi.org/10.1155/2012/216012.

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This study reports the fabrication and characterization of poly(ethylene oxide) (PEO) and poly(vinylidenefluoride-co-chlorotrifluoroethylene) (PVDF-CTFE) nanofibrous separators for lithium-ion batteries loaded with different amounts of fumed-silica and tin oxide nanoparticles. Membrane morphological characterization (SEM, TEM) showed the presence of good-quality nanofibres containing nanoparticles. Thermal degradation and membrane mechanical properties were also investigated, and a remarkable effect of nanoparticle addition on membrane mechanical properties was found. In particular, PEO membra

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Hayashi, Yoshiaki, Shuichiro Hashi, Hiroaki Kura, et al. "Electrochemical fabrication of nanocomposite films containing magnetic metal nanoparticles." Japanese Journal of Applied Physics 54, no. 7 (2015): 075201. http://dx.doi.org/10.7567/jjap.54.075201.

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