Articles with "ag2s" as a keyword



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Nonlinear Refraction in Colloidal Silver Sulfide Quantum Dots

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Published in 2020 at "Journal of Russian Laser Research"

DOI: 10.1007/s10946-020-09923-4

Abstract: We analyze the features of nonlinear refraction in colloidal solutions containing Ag2S quantum dots capped with thioglycolic acid (Ag2S/TGA) or L-cysteine (Ag2S/L-Cys), with the quantum-dot (QD) sizes ranging from 1.7 to 5.5 nm and their… read more here.

Keywords: ag2s; refraction colloidal; refraction; quantum dots ... See more keywords
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Synthesis and bacterial inhibition of novel Ag2S–N–CQD composite material

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Published in 2019 at "Chemical Papers"

DOI: 10.1007/s11696-019-01006-2

Abstract: The present work aims to combine carbon quantum dots (CQDs) with the good water solubility, biocompatibility, and low toxicity and nano-sized silver sulfide with excellent antibacterial effect in the synthesized composite. The composite was further… read more here.

Keywords: ag2s; synthesis bacterial; inhibition novel; novel ag2s ... See more keywords
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Promoting the interfacial H2-evolution reaction of metallic Ag by Ag2S cocatalyst: A case study of TiO2/Ag-Ag2S photocatalyst

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Published in 2018 at "Applied Catalysis B: Environmental"

DOI: 10.1016/j.apcatb.2017.12.026

Abstract: Abstract Metallic Ag has been widely demonstrated to be an excellent oxygen-reduction cocatalyst to significantly improve the photocatalytic decomposition performance of various organic substances. However, as a H2-evolution cocatalyst, the improved photocatalytic performance by metallic… read more here.

Keywords: ag2s; evolution; tio2 ag2s; evolution reaction ... See more keywords
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Effects of extracellular polymeric substances on silver nanoparticle bioaccumulation and toxicity to Triticum aestivum L.

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Published in 2021 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2021.130863

Abstract: The potential effects of extracellular polymeric substances (EPS) on the behavior and toxicity of silver nanoparticle (Ag-NPs) and silver sulfide nanoparticle (Ag2S-NPs) remains ambiguous. The interaction of EPS from Bacillus subtilis with Ag2S-NPs, metallic Ag-NPs,… read more here.

Keywords: ag2s; ag2s nps; nps ag2s; toxicity ... See more keywords
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Transformations of Ag2S nanoparticles in simulated human gastrointestinal tract: Impacts of the degree and origin of sulfidation.

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Published in 2020 at "Journal of hazardous materials"

DOI: 10.1016/j.jhazmat.2020.123406

Abstract: Engineered silver sulfide nanoparticles (e-Ag2S-NPs) are used in industry and can be released into the environment. Besides e-Ag2S-NPs, transformed silver sulfide nanoparticles (t-Ag2S-NPs) from silver nanoparticles are more likely to be the form that is… read more here.

Keywords: ag2s; git; ag2s nps; simulated human ... See more keywords
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Interpreting the effects of natural organic matter on antimicrobial activity of Ag2S nanoparticles with soft particle theory.

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Published in 2018 at "Water research"

DOI: 10.1016/j.watres.2018.07.063

Abstract: Natural organic matter (NOM) ubiquitously exists in natural waters and would adsorb onto the particle surface. Previous studies showed that NOM would alleviate the toxicity of nanomaterials, while the mechanism is seldom quantitatively interpreted. Herein,… read more here.

Keywords: ag2s; ag2s nps; natural organic; soft particle ... See more keywords
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Ag2S-Sensitized NiO–ZnO Heterostructures with Enhanced Visible Light Photocatalytic Activity and Acetone Sensing Property

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Published in 2019 at "ACS Omega"

DOI: 10.1021/acsomega.9b01261

Abstract: Visible light-driven Ag2S-grafted NiO–ZnO ternary nanocomposites are synthesized using a facile and cost-effective homogeneous precipitation method. The structural, morphological, and optical properties were extensively studied, confirming the formation of ternary nanocomposites. The surface area of… read more here.

Keywords: ag2s; zno; visible light; nio zno ... See more keywords
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Evaluation of the toxicities of silver and silver sulfide nanoparticles against Gram-positive and Gram-negative bacteria.

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Published in 2019 at "IET nanobiotechnology"

DOI: 10.1049/iet-nbt.2018.5221

Abstract: In this study, the endogenous lipid signalling molecules, N-myristoylethanolamine, were explored as a capping agent to synthesise stable silver nanoparticles (AgNPs) and Ag sulphide NPs (Ag2S NPs). Sulphidation of the AgNPs abolishes the surface plasmon… read more here.

Keywords: positive gram; ag2s; ag2s nps; agnps ag2s ... See more keywords
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Probing the Effect of Ag2S Quantum Dots on Human Serum Albumin Using Spectral Techniques

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Published in 2017 at "Journal of Nanomaterials"

DOI: 10.1155/2017/7209489

Abstract: The understanding of the interaction between protein and quantum dots (QDs) has significant implications for biological applications of QDs. Herein, we studied the effect of Ag2S QDs on human serum albumin (HSA) using UV-Vis absorption… read more here.

Keywords: ag2s; ag2s qds; effect ag2s; human serum ... See more keywords
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Polymorphic Phase Transformations in Nanocrystalline Ag2S Silver Sulfide in a Wide Temperature Interval and Influence of Nanostructured Ag2S on the Interface Formation in Ag2S/ZnS Heteronanostructure

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Published in 2022 at "Nanomaterials"

DOI: 10.3390/nano12101668

Abstract: Phase transformations that take place in nanocrystalline Ag2S silver sulfide have been systematically studied at temperatures from 298 to 893 K. The crystal structures of the polymorphic modifications α-Ag2S, β-Ag2S, and γ-Ag2S of nanocrystalline Ag2S… read more here.

Keywords: nanocrystalline ag2s; phase transformations; ag2s; ag2s ag2s ... See more keywords