Utilization of Human Hair as a Synergistic Support for Ag, Au, Cu, Ni, and Ru Nanoparticles: Application in Catalysis

Gopiraman, Mayakrishnan; Deng, Dian; Zhang, Ke‐Qin; Wei, Kai; Chung, Ill‐Min; Karvembu, Ramasamy; Kim, Ick Soo

doi:10.1021/acs.iecr.6b04209

Cited by 20 publications

(10 citation statements)

References 69 publications

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“…In addition, the satellite peaks at 860.6 and 878.4 eV conrm the presence of small amount of Ni 2+ . 26 Catalytic performance of Au/CNF, Ni/CNF and Ag/CNF composites The catalytic activity of Ag/CNF, Au/CNF and Ni/CNF towards the reduction of 2-and 4-NP was tested. The 2-and 4-NP reduction reaction in the presence of NaBH 4 is very simple and steady process.…”

Section: Characterization Of Au/cnf Ni/cnf and Ag/cnf Compositesmentioning

confidence: 99%

Gold, silver and nickel nanoparticle anchored cellulose nanofiber composites as highly active catalysts for the rapid and selective reduction of nitrophenols in water

et al. 2018

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Section: Characterization Of Au/cnf Ni/cnf and Ag/cnf Compositesmentioning

confidence: 99%

Gold, silver and nickel nanoparticle anchored cellulose nanofiber composites as highly active catalysts for the rapid and selective reduction of nitrophenols in water

et al. 2018

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“… 8 In this case, metallic NPs (MNPs) such as TiO 2 , Ag, Au, ZnO, MgO and CuO NPs can be utilized in biological and biomedicine systems. 9 , 10 …”

Section: Introductionmentioning

confidence: 99%

Biosynthesis of TiO2 and ZnO nanoparticles by Halomonas elongata IBRC-M 10214 in different conditions of medium

Taran¹,

Rad²,

Alavi³

2017

125

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Introduction: In the recent years, green synthesis is a novel method without some disadvantages of physical and chemical methods. In this approach, bacteria, archaebacteria, fungi, and plants may be applied without utilizing toxic and expensive materials for metal nanoparticles (MNPs) preparation. Methods: In this study, we used Taguchi method to obtain optimum conditions in titanium dioxide and zinc oxide nanoparticle (NPs) biosynthesis by Halomonas elongata IBRC-M 10214. Design and analysis of Taguchi experiments (an orthogonal assay and analysis of variance [ANOVA]) carried out by the Qualitek-4 software. Effects of TiO(OH)2, incubation temperature, and culturing time for synthesis of TiO2 NPs as well as ZnCl2 concentration, glucose concentration, and incubation temperature for the preparation of ZnO NPs were evaluated as the controllable factors with 3 levels. Characterization of TiO2 and ZnO NPs were determined by UV-Vis spectroscopy, X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), scanning electron microscopy (SEM), and dynamic light scattering (DLS) analysis. Also, the antimicrobial properties of these NPs were investigated based on agar diffusion assay of NPs dispersed in batch cultures using Escherichia coli ATCC 25922 and Staphylococcus aureus ATCC 43300 as multidrug-resistant (MDR) bacteria. Results: It was evaluated that TiO2 and ZnO NPs had respectively average diameter sizes of 104.63±27.75 and 18.11±8.93 nm with spherical shapes. In contrast to the TiO2 NPs without antibacterial activity, the ZnO NPs had antibacterial effects at 0.1 and 0.01 M of (ZnCl2). Conclusion: The ZnO NPs have the antibacterial effect that can be operative in the medicinal aspect for fighting against prominent MDR bacteria such as E. coli ATCC 25922 and S. aureus ATCC 43300. In total, this study presents a simple method in the biosynthesis of TiO2 and ZnO NPs with low the expense, eco-friendly, and high productivity properties.

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“…For instance, recently human hair is used as a support for stabilizing of different transition metal nanoparticles such as Ni, 39,40 Ru, [39][40][41] Au, 40,42 Ag, 41,42 and Cu 40 resulting material have been applied as catalyst for various organic reactions.…”

Section: Introductionmentioning

confidence: 99%

Human hair catalyzed selective reduction of nitroarenes to amines

Esmailoghli

Sansano

2020

Can. J. Chem.

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Nowadays, there is great demand to use natural, cheap, and biodegradable materials as catalysts in different organic reactions. In this work, we use human hair as a completely biodegradable, renewable, and available material for the reduction of nitroarenes in aqueous media at 50 °C. Using this new catalyst, structurally different aromatic nitro compounds, as well as heterocyclic compounds, are reduced to corresponding amines in high to excellent yields. The presented catalytic system is applicable for large-scale reduction of nitroarenes.

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Utilization of Human Hair as a Synergistic Support for Ag, Au, Cu, Ni, and Ru Nanoparticles: Application in Catalysis

Cited by 20 publications

References 69 publications

Gold, silver and nickel nanoparticle anchored cellulose nanofiber composites as highly active catalysts for the rapid and selective reduction of nitrophenols in water

Gold, silver and nickel nanoparticle anchored cellulose nanofiber composites as highly active catalysts for the rapid and selective reduction of nitrophenols in water

Biosynthesis of TiO2 and ZnO nanoparticles by Halomonas elongata IBRC-M 10214 in different conditions of medium

Human hair catalyzed selective reduction of nitroarenes to amines

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