Relevant bibliographies by topics / Sulfide nanoparticles

Academic literature on the topic 'Sulfide nanoparticles'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Sulfide nanoparticles"

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Venkat Kumar S, Sowmya B, Geetha R, Karpagambigai S, Jacquline Rosy P, Rajeshkumar S, and Lakshmi T. "Preparation of yeast mediated semiconductor nanoparticles by Candida albicans and its bactericidal potential against Salmonella typhi and Staphylococcus aureus." International Journal of Research in Pharmaceutical Sciences 10, no. 2 (April 15, 2019): 861–64. http://dx.doi.org/10.26452/ijrps.v10i2.262.

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Biosynthesis of nanoparticles using microorganism is widely used in biological applications due to its eco-friendly nature and lower cost. The present study aimed to investigate the yeast, Candida albicans for the synthesis of nano cadmium sulfide is a semiconductor nanoparticle. The yeast synthesized nanoparticles tested for its spectroscopic and microscopic characters. The peak at 420 nm identified by UV-Vis spectrophotometer confirms the Cadmium sulfide (CdS) nanoparticles synthesis preliminarily. Further, the nanoparticles were characterized using X-ray diffraction assay, scanning electron microscope, and elemental dispersive analysis. Finally, the synthesized Cadmium sulfide (CdS) nanoparticles were tested for its antibacterial activity against disease-causing pathogens such as Salmonella typhi and Staphylococcus aureus. The maximum zone of inhibition shows 15mm at the concentration of 100µl of CdS nanoparticle. Thus a promising antibacterial activity of yeast mediated synthesized Cadmium sulfide (CdS) nanoparticles was described.
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López, Israel, and Idalia Gómez. "Microwave-Assisted Synthesis of Cadmium Sulfide Nanoparticles: Effect of Hydroxide Ion Concentration." MRS Proceedings 1617 (2013): 151–56. http://dx.doi.org/10.1557/opl.2013.1178.

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ABSTRACTCadmium sulfide nanoparticles were synthesized by a microwave-assisted route in aqueous dispersion. The cadmium sulfide nanoparticles showed an average diameter around 5 nm and a cubic phase corresponding to hawleyite. The aqueous dispersions of the nanoparticles were characterized by UV-Vis spectroscopy, luminescence analysis, transmission electron microscopy and X-ray diffraction. The addition of sodium hydroxide solutions at different concentrations causes a red-shift in the wavelength of the first excitonic absorption peak of the cadmium sulfide nanoparticles, indicating a reduction of the band gap energy. Besides, the intensity of the luminescence of the nanoparticle dispersions was increased. However, there is a threshold concentration of the hydroxide ion above which the precipitation of the cadmium sulfide nanoparticles occurs.
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Okada, Satoshi, Chong Chen, Tomo-o. Watsuji, Manabu Nishizawa, Yohey Suzuki, Yuji Sano, Dass Bissessur, Shigeru Deguchi, and Ken Takai. "The making of natural iron sulfide nanoparticles in a hot vent snail." Proceedings of the National Academy of Sciences 116, no. 41 (September 24, 2019): 20376–81. http://dx.doi.org/10.1073/pnas.1908533116.

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Biomineralization in animals exclusively features oxygen-based minerals with a single exception of the scaly-foot gastropod Chrysomallon squamiferum, the only metazoan with an iron sulfide skeleton. This unique snail inhabits deep-sea hot vents and possesses scales infused with iron sulfide nanoparticles, including pyrite, giving it a characteristic metallic black sheen. Since the scaly-foot is capable of making iron sulfide nanoparticles in its natural habitat at a relatively low temperature (∼15 °C) and in a chemically dynamic vent environment, elucidating its biomineralization pathways is expected to have significant industrial applications for the production of metal chalcogenide nanoparticles. Nevertheless, this biomineralization has remained a mystery for decades since the snail’s discovery, except that it requires the environment to be rich in iron, with a white population lacking in iron sulfide known from a naturally iron-poor locality. Here, we reveal a biologically controlled mineralization mechanism employed by the scaly-foot snail to achieve this nanoparticle biomineralization, through δ34 S measurements and detailed electron-microscopic investigations of both natural scales and scales from the white population artificially incubated in an iron-rich environment. We show that the scaly-foot snail mediates biomineralization in its scales by supplying sulfur through channel-like columns in which reaction with iron ions diffusing inward from the surrounding vent fluid mineralizes iron sulfides.
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Li, Yuebin, Lun Ma, Xing Zhang, Alan G. Joly, Zuli Liu, and Wei Chen. "Synthesis and Optical Properties of Sulfide Nanoparticles Prepared in Dimethylsulfoxide." Journal of Nanoscience and Nanotechnology 8, no. 11 (November 1, 2008): 5646–51. http://dx.doi.org/10.1166/jnn.2008.474.

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Many methods have been reported for the formation of sulfide nanoparticles by the reaction of metallic salts with sulfide chemical sources in aqueous solutions or organic solvents. Here, we report the formation of sulfide nanoparticles in dimethylsulfoxide (DMSO) by boiling metallic salts without sulfide sources. The sulfide sources are generated from the boiling of DMSO and react with metallic salts to form sulfide nanoparticles. In this method DMSO functions as a solvent and a sulfide source as well as a stabilizer for the formation of the nanoparticles. The recipe is simple and economical making sulfide nanoparticles formed in this way readily available for many potential applications.
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Wu, Kaili, Baochan Yang, Xixi Zhu, Wei Chen, Xiliang Luo, Zhenxue Liu, Xiao Zhang, and Qingyun Liu. "Cobalt and nickel bimetallic sulfide nanoparticles immobilized on montmorillonite demonstrating peroxidase-like activity for H2O2 detection." New Journal of Chemistry 42, no. 23 (2018): 18749–58. http://dx.doi.org/10.1039/c8nj04647f.

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Keast, Vicki J. "Atmospheric Corrosion of Silver and Silver Nanoparticles." Corrosion and Materials Degradation 3, no. 2 (May 24, 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 atmospheric corrosion of silver in both the bulk and nanoparticle forms. Gaps in our current understanding and areas for future investigation are identified.
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López, Israel, Alejandro Vázquez, and Idalia Gómez. "Electrophoretic Deposition of Cadmium Sulfide Nanoparticles: Electric Field and Particle Size Effects." Key Engineering Materials 507 (March 2012): 95–99. http://dx.doi.org/10.4028/www.scientific.net/kem.507.95.

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The present work shows the electric field and particle size effects on the formation of nanostructured arrays by electrophoretic deposition of cadmium sulfide (CdS) nanoparticles. The CdS nanoparticles with mean diameter below 6 nm were prepared by a microwave assisted synthesis. These nanoparticles were aged for one and two weeks at room temperature in order to produce nanoparticle agglomeration. The CdS nanoparticles were deposited on aluminum plates, with 1 cm of distance between them, using a constant applied voltage of 600 and 900 mV for 1 min. The nanostructures formed using CdS nanoparticles freshly prepared under 900 mV show spherical morphology. Under a voltage of 600 mV, nanostructures with elongated morphology were obtained.
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Sharma, Vanita, and P. Jeevanandam. "Synthesis of Copper Sulfide Nanoparticles by Thermal Decomposition Approach and Morphology Dependent Peroxidase-Like Activity." Journal of Nanoscience and Nanotechnology 20, no. 5 (May 1, 2020): 2763–80. http://dx.doi.org/10.1166/jnn.2020.17432.

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Copper sulfide nanoparticles have been employed as artificial mimics for peroxidase-like activity. In the present study, copper sulfide nanoparticles with four different morphologies have been synthesized by thermal decomposition of cyclo-tri-μ-thioacetamide-tris(chlorocopper(I)) complex ([Cu3TAA3Cl3]) at 200 °C in different solvents such as diphenyl ether, ethylene glycol, 1-octadecene and also without any solvent. Hierarchical copper sulfide nanostructures are formed when the complex is decomposed in the absence of solvent, in diphenyl ether, and 1-octadecene while in the case of ethylene glycol, randomly agglomerated nanoparticles are formed. The precursor complex ([Cu3TAA3Cl3]) as well as copper sulfide nanoparticles were characterized using an array of techniques and after characterization, the peroxidase-like activity of copper sulfide nanoparticles was investigated.Morphologically different copper sulfide nanoparticles possess different exposed facets and due to this, the peroxidase-like activity was different among different morphologies.
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Kumar, Manvendra, Parasmani Rajput, P. K. Singh, A. C. Yadav, S. A. Khan, S. N. Jha, Fouran Singh, and A. C. Pandey. "Europium activated gadolinium sulfide nanoparticles." RSC Advances 6, no. 110 (2016): 108523–29. http://dx.doi.org/10.1039/c6ra17413b.

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Dooley, Chad J., Jessica Rouge, Nan Ma, Michael Invernale, and Shana O. Kelley. "Nucleotide-stabilized cadmium sulfide nanoparticles." Journal of Materials Chemistry 17, no. 17 (2007): 1687. http://dx.doi.org/10.1039/b616306h.

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Dissertations / Theses on the topic "Sulfide nanoparticles"

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Junkermeier, Chad Everett. "Simulation and Analysis of Cadmium Sulfide Nanoparticles." Diss., CLICK HERE for online access, 2008. http://contentdm.lib.byu.edu/ETD/image/etd2704.pdf.

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Rijal, Upendra. "Suppressed Carrier Scattering in Cadmium Sulfide-Encapsulated Lead Sulfide Nanocrystal Films." Bowling Green State University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1402409476.

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Frenzel, Johannes. "Structural, electronic and optical properties of cadmium sulfide nanoparticles." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2007. http://nbn-resolving.de/urn:nbn:de:swb:14-1170678349152-44850.

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In this work, the structural, electronic, and optical properties of CdS nanoparticles with sizes up to 4nm have been calculated using density-functional theory (DFT). Inaccuracies in the description of the unoccupied states of the applied density-functional based tight-binding method (DFTB) are overcome by a new SCF-DFTB method. Density-functional-based calculations employing linear-response theory have been performed on cadmium sulfide nanoparticles considering different stoichiometries, underlying crystal structures (zincblende, wurtzite, rocksalt), particle shapes (spherical, cuboctahedral, tetrahedral), and saturations (unsaturated, partly saturated, completely saturated). For saturated particles, the calculated onset excitations are strong excitonic. The quantum-confinement effect in the lowest excitation is visible as the excitation energy decreases towards the bulk band gap with increasing particle size. Dangling bonds at unsaturated surface atoms introduce trapped surface states which lie below the lowest excitations of the completely saturated particles. The molecular orbitals (MOs), that are participating in the excitonic excitations, show the shape of the angular momenta of a hydrogen atom (s, p). Zincblende- and wurtzite-derived particles show very similar spectra, whereas the spectra of rocksalt-derived particles are rather featureless. Particle shapes that confine the orbital wavefunctions strongly (tetrahedron) give rise to less pronounced spectra with lower oscillator strengths. Finally, a very good agreement of the calculated data to experimentally available spectra and excitation energies is found.
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Mbese, Johannes Zanoxolo. "Synthesis and characterization of metal sulfide nanoparticles/polymer nanocomposites." Thesis, University of Fort Hare, 2013. http://hdl.handle.net/10353/d1016190.

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The focus of this project was to synthesize and characterize metal sulfide nanoparticles /polymer nanocomposites. The work involved the synthesis of dithiocarbamato ligands and complexes derived from aniline. Zn(II), Cd(II) and Hg(II) dithiocarbamato complexes were used as single-molecule precursors for the synthesis of the ZnS, CdS and HgS nanoparticles and their optical and structural properties studied. The other focus of this work was to synthesize a combined functionality metal sulfide nanoparticles/polymer nanocomposites by dispersing as-synthesized ZnS, CdS and HgS nanoparticles in polymethyl methacrylate (PMMA) matrix. The characterization of the ligands, complexes, nanoparticles and nanocomposites were investigated using relevant instrumental tools like UV-Vis, photoluminescence (PL), Fourier transform infrared (FTIR), X-ray diffraction (XRD), energy dispersion X-ray (EDX), nuclear magnetic resonance (NMR), scanning electron microscopy (SEM) and transmission electron microscopy (TEM).
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Frenzel, Johannes. "Structural, electronic and optical properties of cadmium sulfide nanoparticles." Doctoral thesis, Technische Universität Dresden, 2006. https://tud.qucosa.de/id/qucosa%3A23935.

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In this work, the structural, electronic, and optical properties of CdS nanoparticles with sizes up to 4nm have been calculated using density-functional theory (DFT). Inaccuracies in the description of the unoccupied states of the applied density-functional based tight-binding method (DFTB) are overcome by a new SCF-DFTB method. Density-functional-based calculations employing linear-response theory have been performed on cadmium sulfide nanoparticles considering different stoichiometries, underlying crystal structures (zincblende, wurtzite, rocksalt), particle shapes (spherical, cuboctahedral, tetrahedral), and saturations (unsaturated, partly saturated, completely saturated). For saturated particles, the calculated onset excitations are strong excitonic. The quantum-confinement effect in the lowest excitation is visible as the excitation energy decreases towards the bulk band gap with increasing particle size. Dangling bonds at unsaturated surface atoms introduce trapped surface states which lie below the lowest excitations of the completely saturated particles. The molecular orbitals (MOs), that are participating in the excitonic excitations, show the shape of the angular momenta of a hydrogen atom (s, p). Zincblende- and wurtzite-derived particles show very similar spectra, whereas the spectra of rocksalt-derived particles are rather featureless. Particle shapes that confine the orbital wavefunctions strongly (tetrahedron) give rise to less pronounced spectra with lower oscillator strengths. Finally, a very good agreement of the calculated data to experimentally available spectra and excitation energies is found.
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Perera, Jayalath Pathirannehelage Dimuthu Nuwan. "Photocatalytic Properties of Zinc Selenide/Cadmium Sulfide Core-shell Nanoparticles." Bowling Green State University / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=bgsu1370994697.

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Monahan, Bradley Michael. "Synthesis and Characterization of Phase-pure Copper Zinc Tin Sulfide (Cu2ZnSnS4) Nanoparticles." University of Toledo / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=toledo1404732007.

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Allehyani, S. H. A., R. Seoudi, D. A. Said, A. R. Lashin, and A. Abouelsayed. "Synthesis, Characterization, and Size Control of Zinc Sulfide Nanoparticles Capped by Polyethylene Glycol." Thesis, Sumy State University, 2015. http://essuir.sumdu.edu.ua/handle/123456789/42490.

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Zinc sulfide nanoparticles were synthesized with controllable size via chemical precipitation. highresolution transmission electron microscopy (HRTEM) and X-ray powder diffraction (XRD) showed that the samples were grown with the cubic phase; the particle size was varied by varying the molar ratios of zinc chloride and sodium sulfide in the presence of poly(ethylene glycol). The optical band gap was calculated on the basis of ultraviolet-visible spectroscopy (UV-VIS) and ranged from 4.13 eV to 4.31 eV depending on the particle size. Surface passivation and adsorption of poly(ethylene glycol) on the nanoparticles was explained on the basis of Fourier transform infrared measurements (FTIR).
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Mousavi, R. A., A. A. Sepahy, and M. R. Fazeli. "Biosynthesis, Purification and Characterization of Cadmium Sulfide Nanoparticles Using Enterobacteriaceae and their Application." Thesis, Sumy State University, 2012. http://essuir.sumdu.edu.ua/handle/123456789/34903.

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The area of nanotechnology encompasses the synthesis of nanoscale materials, the understanding and the utilization of their physicochemical and optoelectronic properties, and the organization of nanoscale structures into predefined superstructures. The development of biologically inspired experimental processes for the synthesis of nanoparticles is evolving into an important branch of nanotechnology. Nanotechnology has recently emerged as an elementary division of science and technology that investigates and regulates the interaction at cell level between synthetic and biological materials with the help of nanoparticles. A wide range clean, nontoxic and eco-friendly synthesis of nanoparticles is an important aspect of current nanotechnology. Microbial synthesis of nanoparticles is a Green chemistry approach that interconnects nanotechnology and microbial biotechnology. Microorganisms play an important role in the eco-friendly synthesis of metal nanoparticles. This study illustrates the synthesis of CdS nanoparticles using the bactetia of Enterobacteriaceae ( Escherichia coli PTCC 1533 and Klebsiella pneumonia PTCC 1053) after 96 h of incubation at room temperature (30ºc) and pH 9. The morphology of the samples was analyzed using Scanning electron microscopy(SEM). The size of CdS nanoparticles in aqueous solution has been calculated using UV–Vis spectroscopy, XRD, FTIR, EDS and SEM measurements. The nanoparticles are found to be polydisperse in the size range 5–200 nm. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/34903
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Xiong, Zhong Zhao Dongye. "Destruction of perchlorate and nitrate by stabilized zero-valent iron nanoparticles and immobilization of mercury by a new class of iron sulfide nanoparticles." Auburn, Ala, 2007. http://repo.lib.auburn.edu/2007%20Fall%20Dissertations/Xiong_Zhong_0.pdf.

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Books on the topic "Sulfide nanoparticles"

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Materials for Solar Cell Technologies I. Materials Research Forum LLC, 2021. http://dx.doi.org/10.21741/9781644901090.

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The book reviews recent research and new trends in the area of solar cell materials. Topics include fabrication methods, solar cell design, energy efficiency and commercialization of next-generation materials. Special focus is placed on graphene and carbon nanomaterials, graphene in dye-sensitized solar cells, perovskite solar cells and organic photovoltaic cells, as well as on transparent conducting electrode (TCE) materials, hollow nanostructured photoelectrodes, monocrystalline silicon solar cells (MSSC) and BHJ organic solar cells. Also discussed is the use of graphene, sulfides, and metal nanoparticle-based absorber materials.
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Araújo, Ana Cláudia Vaz de. Síntese de nanopartículas de óxido de ferro e nanocompósitos com polianilina. Brazil Publishing, 2021. http://dx.doi.org/10.31012/978-65-5861-120-2.

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In this work magnetic Fe3O4 nanoparticles were synthesized through the precipitation method from an aqueous ferrous sulfate solution under ultrasound. A 23 factorial design in duplicate was carried out to determine the best synthesis conditions and to obtain the smallest crystallite sizes. Selected conditions were ultrasound frequency of 593 kHz for 40 min in 1.0 mol L-1 NaOH medium. Average crystallite sizes were of the order of 25 nm. The phase obtained was identified by X-ray diffractometry (XRD) as magnetite. Scanning electron microscopy (SEM) showed polydisperse particles with dimensions around 57 nm, while transmission electron microscopy (TEM) revealed average particle diameters around 29 nm, in the same order of magnitude of the crystallite size determined with Scherrer’s equation. These magnetic nanoparticles were used to obtain nanocomposites with polyaniline (PAni). The material was prepared under exposure to ultraviolet light (UV) or under heating, from dispersions of the nanoparticles in an acidic solution of aniline. Unlike other synthetic routes reported elsewhere, this new route does not utilize any additional oxidizing agent. XRD analysis showed the appearance of a second crystalline phase in all the PAni-Fe3O4 composites, which was indexed as goethite. Furthermore, the crystallite size decreases nearly 50 % with the increase in the synthesis time. This size decrease suggests that the nanoparticles are consumed during the synthesis. Thermogravimetric analysis showed that the amount of polyaniline increases with synthesis time. The nanocomposite electric conductivity was around 10-5 S cm-1, nearly one order of magnitude higher than for pure magnetite. Conductivity varied with the amount of PAni in the system, suggesting that the electric properties of the nanocomposites can be tuned according to their composition. Under an external magnetic field the nanocomposites showed hysteresis behavior at room temperature, characteristic of ferromagnetic materials. Saturation magnetization (MS) for pure magnetite was ~ 74 emu g-1. For the PAni-Fe3O4 nanocomposites, MS ranged from ~ 2 to 70 emu g-1, depending on the synthesis conditions. This suggests that composition can also be used to control the magnetic properties of the material.
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Book chapters on the topic "Sulfide nanoparticles"

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Helz, G. R., I. Ciglenečki, D. Krznarić, and E. Bura-Nakić. "Voltammetry of Sulfide Nanoparticles and the FeS(aq) Problem." In ACS Symposium Series, 265–82. Washington, DC: American Chemical Society, 2011. http://dx.doi.org/10.1021/bk-2011-1071.ch013.

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Loa, José Daniel Aguilar, Abril Castellanos-Angeles, Luis Ángel García-Tejeda, Andrea Margarita Rivas-Castillo, and Norma Gabriela Rojas-Avelizapa. "Assessment of Cadmium Sulfide Nanoparticles Synthesis by Cadmium-Tolerant Fungi." In Lecture Notes in Networks and Systems, 145–56. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-82064-0_12.

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Mieshkov, A. M., L. I. Grebenik, T. V. Ivahnuk, and L. F. Sukhodub. "Antibacterial Properties of the Nanoparticles with the Zinc Sulfide Quantum Dots." In 3rd International Conference on Nanotechnologies and Biomedical Engineering, 267–70. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-287-736-9_65.

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Michael Raj, F., and A. Jeya Rajendran. "Synthesis, Structural, Optical and Dielectric Properties of Cadmium Sulfide Nanoparticles as Photocathode for a Solar Cell." In Springer Proceedings in Physics, 159–70. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-44890-9_16.

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Yang, W., H. Inoue, Y. Nakazono, H. Samura, and T. Saegusa. "Preparation of Copper Sulfide and Gold Nanoparticles Dispersed in Hydroxypropylcellulose—Silica Film with Gas Diffusion Method." In ACS Symposium Series, 205–19. Washington, DC: American Chemical Society, 1996. http://dx.doi.org/10.1021/bk-1996-0622.ch014.

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Demydov, Dmytro, Atanu Adhvaryu, Philip McCluskey, and Ajay P. Malshe. "Advanced Lubricant Additives of Dialkyldithiophosphate (DDP)-Functionalized Molybdenum Sulfide Nanoparticles and Their Tribological Performance for Boundary Lubrication." In ACS Symposium Series, 137–63. Washington, DC: American Chemical Society, 2010. http://dx.doi.org/10.1021/bk-2010-1045.ch008.

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Gong, Yanyan, and Dongye Zhao. "In Situ Immobilization of Mercury in Water, Soil, and Sediment Using Carboxymethyl Cellulose Stabilized Iron Sulfide Nanoparticles." In ACS Symposium Series, 61–77. Washington, DC: American Chemical Society, 2013. http://dx.doi.org/10.1021/bk-2013-1123.ch005.

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Zheng, Binbin, and Wei Lu. "Nanotechnologies for Photothermal and Immuno Cancer Therapy: Advanced Strategies Using Copper Sulfide Nanoparticles and Bacterium-Mimicking Liposomes for Enhanced Efficacy." In Bioanalysis, 191–208. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-78338-9_9.

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Dekhtyar, Yu, R. Reisfeld, M. Romanova, T. Saraidarov, and I. Surkova. "Influence of Ultraviolet and Electron Radiation on Photoelectron Emission Spectra of Lead Sulfide Nanoparticles Embedded in a Matrix of Zirconium Oxide." In First European Biomedical Engineering Conference for Young Investigators, 56–59. Singapore: Springer Singapore, 2015. http://dx.doi.org/10.1007/978-981-287-573-0_14.

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Li, Wenjiang, Carla Bittencourt, and Rony Snyders. "Progress of Sensors Based on Hollow Metal Sulfides Nanoparticles." In Nanoscale Materials for Warfare Agent Detection: Nanoscience for Security, 97–114. Dordrecht: Springer Netherlands, 2019. http://dx.doi.org/10.1007/978-94-024-1620-6_6.

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Conference papers on the topic "Sulfide nanoparticles"

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VOROKH, A. S., N. S. KOZHEVNIKOVA, A. A. REMPEL, and A. MAGERL. "DISORDERING IN CADMIUM SULFIDE NANOPARTICLES." In Proceedings of the International Conference on Nanomeeting 2007. WORLD SCIENTIFIC, 2007. http://dx.doi.org/10.1142/9789812770950_0068.

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Bhattarai, Bibek Raj, Amrit Regmi, and Surendra K. Gautam. "Cadmium Sulfide Nanoparticles: Synthesis and Characterization." In 2019 International Conference on Computer, Communication, Chemical, Materials and Electronic Engineering (IC4ME2). IEEE, 2019. http://dx.doi.org/10.1109/ic4me247184.2019.9036654.

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FICK, J., and A. MARTUCCI. "LEAD SULFIDE NANOPARTICLES FOR OPTICAL APPLICATIONS." In Reviews and Short Notes to Nanomeeting-2005. WORLD SCIENTIFIC, 2005. http://dx.doi.org/10.1142/9789812701947_0006.

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Hamaguchi, S., T. Yamamoto, and M. Kobayashi. "Synthesis of Ternary Compound Sulfide Nanoparticles." In 2008 International Conference on Solid State Devices and Materials. The Japan Society of Applied Physics, 2008. http://dx.doi.org/10.7567/ssdm.2008.f-5-4l.

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Parmar, R. J., V. R. Solanki, R. J. Pathak, and M. D. Parmar. "Synthesis and characterization of tin sulfide nanoparticles." In FUNCTIONAL OXIDES AND NANOMATERIALS: Proceedings of the International Conference on Functional Oxides and Nanomaterials. Author(s), 2017. http://dx.doi.org/10.1063/1.4982107.

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SEMENOVA, E. M., S. A. VOROBYOVA, and A. I. LESNIKOVICH. "SYNTHESIS OF CADMIUM SULFIDE COATED MAGNETIC NANOPARTICLES." In Proceedings of International Conference Nanomeeting – 2011. WORLD SCIENTIFIC, 2011. http://dx.doi.org/10.1142/9789814343909_0079.

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Mishra, Sheo K., Akhilesh Tripathi, Rajneesh K. Srivastava, K. C. Dubey, and R. K. Shukla. "Investigation of photoresponse in cadmium sulfide nanoparticles." In NANOFORUM 2014. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4918090.

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Tailor, Jiten P., Ankurkumar J. Khimani, Sunil H. Chaki, and M. P. Deshpande. "Thermal decomposition study of manganese sulfide (MnS) nanoparticles." In 2ND INTERNATIONAL CONFERENCE ON CONDENSED MATTER AND APPLIED PHYSICS (ICC 2017). Author(s), 2018. http://dx.doi.org/10.1063/1.5032532.

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Ahmad, Mushtaq, Kamran Rasool, Zahid Imran, M. A. Rafiq, and M. M. Hasan. "Structural and electrical properties of Zinc sulfide nanoparticles." In 2011 Saudi International Electronics, Communications and Photonics Conference (SIECPC). IEEE, 2011. http://dx.doi.org/10.1109/siecpc.2011.5876907.

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Regmi, Amrit, Bibek Raj Bhattarai, and Surendra K. Gautam. "Synthesis and Microscopic Study of Zinc Sulfide Nanoparticles." In 2019 International Conference on Computer, Communication, Chemical, Materials and Electronic Engineering (IC4ME2). IEEE, 2019. http://dx.doi.org/10.1109/ic4me247184.2019.9036683.

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Reports on the topic "Sulfide nanoparticles"

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Hochella, Michael. Formation Mechanisms, Crystal Structure, and Interfacial Reactivity of (Mixed) Metal Sulfide Nanoparticles Produced via Biological versus Abiotic Systems. Office of Scientific and Technical Information (OSTI), February 2022. http://dx.doi.org/10.2172/1843552.

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Chefetz, Benny, Baoshan Xing, Leor Eshed-Williams, Tamara Polubesova, and Jason Unrine. DOM affected behavior of manufactured nanoparticles in soil-plant system. United States Department of Agriculture, January 2016. http://dx.doi.org/10.32747/2016.7604286.bard.

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Abstract:
The overall goal of this project was to elucidate the role of dissolved organic matter (DOM) in soil retention, bioavailability and plant uptake of silver and cerium oxide NPs. The environmental risks of manufactured nanoparticles (NPs) are attracting increasing attention from both industrial and scientific communities. These NPs have shown to be taken-up, translocated and bio- accumulated in plant edible parts. However, very little is known about the behavior of NPs in soil-plant system as affected by dissolved organic matter (DOM). Thus DOM effect on NPs behavior is critical to assessing the environmental fate and risks related to NP exposure. Carbon-based nanomaterials embedded with metal NPs demonstrate a great potential to serve as catalyst and disinfectors. Hence, synthesis of novel carbon-based nanocomposites and testing them in the environmentally relevant conditions (particularly in the DOM presence) is important for their implementation in water purification. Sorption of DOM on Ag-Ag₂S NPs, CeO₂ NPs and synthesized Ag-Fe₃O₄-carbon nanotubebifunctional composite has been studied. High DOM concentration (50mg/L) decreased the adsorptive and catalytic efficiencies of all synthesized NPs. Recyclable Ag-Fe₃O₄-carbon nanotube composite exhibited excellent catalytic and anti-bacterial action, providing complete reduction of common pollutants and inactivating gram-negative and gram-positive bacteria at environmentally relevant DOM concentrations (5-10 mg/L). Our composite material may be suitable for water purification ranging from natural to the industrial waste effluents. We also examined the role of maize (Zeamays L.)-derived root exudates (a form of DOM) and their components on the aggregation and dissolution of CuONPs in the rhizosphere. Root exudates (RE) significantly inhibited the aggregation of CuONPs regardless of ionic strength and electrolyte type. With RE, the critical coagulation concentration of CuONPs in NaCl shifted from 30 to 125 mM and the value in CaCl₂ shifted from 4 to 20 mM. This inhibition was correlated with molecular weight (MW) of RE fractions. Higher MW fraction (> 10 kDa) reduced the aggregation most. RE also significantly promoted the dissolution of CuONPs and lower MW fraction (< 3 kDa) RE mainly contributed to this process. Also, Cu accumulation in plant root tissues was significantly enhanced by RE. This study provides useful insights into the interactions between RE and CuONPs, which is of significance for the safe use of CuONPs-based antimicrobial products in agricultural production. Wheat root exudates (RE) had high reducing ability to convert Ag+ to nAg under light exposure. Photo-induced reduction of Ag+ to nAg in pristine RE was mainly attributed to the 0-3 kDa fraction. Quantification of the silver species change over time suggested that Cl⁻ played an important role in photoconversion of Ag+ to nAg through the formation and redox cycling of photoreactiveAgCl. Potential electron donors for the photoreduction of Ag+ were identified to be reducing sugars and organic acids of low MW. Meanwhile, the stabilization of the formed particles was controlled by both low (0-3 kDa) and high (>3 kDa) MW molecules. This work provides new information for the formation mechanism of metal nanoparticles mediated by RE, which may further our understanding of the biogeochemical cycling and toxicity of heavy metal ions in agricultural and environmental systems. Copper sulfide nanoparticles (CuSNPs) at 1:1 and 1:4 ratios of Cu and S were synthesized, and their respective antifungal efficacy was evaluated against the pathogenic activity of Gibberellafujikuroi(Bakanae disease) in rice (Oryza sativa). In a 2-d in vitro study, CuS decreased G. fujikuroiColony- Forming Units (CFU) compared to controls. In a greenhouse study, treating with CuSNPs at 50 mg/L at the seed stage significantly decreased disease incidence on rice while the commercial Cu-based pesticide Kocide 3000 had no impact on disease. Foliar-applied CuONPs and CuS (1:1) NPs decreased disease incidence by 30.0 and 32.5%, respectively, which outperformed CuS (1:4) NPs (15%) and Kocide 3000 (12.5%). CuS (1:4) NPs also modulated the shoot salicylic acid (SA) and Jasmonic acid (JA) production to enhance the plant defense mechanisms against G. fujikuroiinfection. These results are useful for improving the delivery efficiency of agrichemicals via nano-enabled strategies while minimizing their environmental impact, and advance our understanding of the defense mechanisms triggered by the NPs presence in plants.
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