Biogenic silver nanoparticles associated with silver chloride nanoparticles (Ag@AgCl) produced by laccase from Trametes versicolor

Durán, Nélson; Cuevas, Raphael; Cordi, Lı́via; Rubilar, Olga; Díez, M.C.

doi:10.1186/2193-1801-3-645

Cited by 63 publications

(43 citation statements)

References 37 publications

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“…3) was compatible with that described by Durán et al, 31 who reported diffraction patterns for silver nanoparticles with Bragg peaks for (331) in (2Ɵ = 85º), which were ascribed to silver chloride nanoparticles. We also observed a basal level of Ag/AgCl-NPs formation in fresh medium (i.e., with no interference of yeast biological activity) and in culture medium containing heat-killed yeasts (Fig.…”

Section: Page 28 Of 52 Rsc Advancessupporting

confidence: 91%

Yeast-derived biosynthesis of silver/silver chloride nanoparticles and their antiproliferative activity against bacteria

et al. 2016

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Here, we provided the first evidences of yeast strains assisted Ag/AgCl-NPs production in vitro. The formed nanoparticles were characterized by spectroscopic and electron microscopy approaches. UV-Vis supported the biosynthesis. TEM analysis evidenced that nanoparticles mainly presented circular shape and their diameter varied mostly in the range from 2 to 10 nm. XRD analysis showed a crystalline structure, with diffraction peaks corresponding to metallic silver and silver chloride nanoparticles, and when analyzed by high-resolution transmission electron microscopy (HRTEM), instead of being round, (111) (octahedral) and (200) Ag/AgCl-NPs described here have characteristics compatible with a strong potential for use in the biotechnology industry, particularly for biomedical applications.

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Section: Page 28 Of 52 Rsc Advancessupporting

confidence: 91%

Yeast-derived biosynthesis of silver/silver chloride nanoparticles and their antiproliferative activity against bacteria

et al. 2016

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“…Das et al (2009) and Kumar et al (2012) reported the lysozymemediated synthesis of Ag o nanoparticles in aqueous solution under controlled pH and light conditions. XRD pattern showed that the reaction of laccase, obtained from Trametes versicolor, with silver ions was compatible with the cubic phase of Ag°nanoparticles with diffractions points at planes of the facet centered cubic (FCC) structure (JCPDS file: 65-2871 or ICSD Code 64994) that coexisted with the cubic phase of AgCl planes (JCPDS file: 31-1238 or ICSD Code 64734) (Durán et al 2014b).…”

Section: Yeastsmentioning

confidence: 99%

Antimicrobial activity of biogenic silver nanoparticles, and silver chloride nanoparticles: an overview and comments

Durán

Nakazato

Seabra

2016

Appl Microbiol Biotechnol

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258

127

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The antimicrobial impact of biogenic-synthesized silver-based nanoparticles has been the focus of increasing interest. As the antimicrobial activity of nanoparticles is highly dependent on their size and surface, the complete and adequate characterization of the nanoparticle is important. This review discusses the characterization and antimicrobial activity of biogenic synthesized silver nanoparticles and silver chloride nanoparticles. By revising the literature, there is confusion in the characterization of these two silver-based nanoparticles, which consequently affects the conclusion regarding to their antimicrobial activities. This review critically analyzes recent publications on the synthesis of biogenic silver nanoparticles and silver chloride nanoparticles by attempting to correlate the characterization of the nanoparticles with their antimicrobial activity. It was difficult to correlate the size of biogenic nanoparticles with their antimicrobial activity, since different techniques are employed for the characterization. Biogenic synthesized silver-based nanoparticles are not completely characterized, particularly the nature of capped proteins covering the nanomaterials. Moreover, the antimicrobial activity of theses nanoparticles is assayed by using different protocols and strains, which difficult the comparison among the published papers. It is important to select some bacteria as standards, by following international foundations (Pharmaceutical Microbiology Manual) and use the minimal inhibitory concentration by broth microdilution assays from Clinical and Laboratory Standards Institute, which is the most common assay used in antibiotic ones. Therefore, we conclude that to have relevant results on antimicrobial effects of biogenic silver-based nanoparticles, it is necessary to have a complete and adequate characterization of these nanostructures, followed by standard methodology in microbiology protocols.

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“…T. versicolor, also known as Coriolus versicolor [49,50], has been investigated in several studies for the removal of PPCPs both in batch and continuous reactors [24,26,27,43,51,52,53]. Depending on the strain, T. versicolor may contain laccase, LiP and MnP, with laccase being the predominant enzyme in some strains.…”

Section: Degradation Capacity Of Different Wrfmentioning

confidence: 99%

Degradation of Pharmaceuticals and Personal Care Products by White-Rot Fungi—a Critical Review

et al. 2017

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White-rot fungi (WRF) mediated treatment can offer an environmentally friendly platform for the removal of pharmaceuticals and personal care products (PPCPs) from wastewater. These PPCPs may have adverse impacts on aquatic organisms and even human and thus their removal during wastewater treatment is of significant interest to the water industry. Whole-cell WRF or their extracellular lignin modifying enzymes (LMEs) have been reported to efficiently degrade PPCPs that are persistent to conventional activated sludge process. WRF mediated treatment of PPCPs depends on a number of factors including physicochemical properties of PPCPs (e.g., hydrophobicity and chemical structure) and wastewater matrix (e.g., pH, temperature, and dissolved constituents), type of WRF species and their specific extracellular enzymes. This review critically analyzes the performance of whole-cell WRF and their LMEs for the removal of PPCPs; particularly, it offers insights into PPCP removal mechanisms (e.g., biosorption vs. biodegradation) and degradation pathways as well as the formation of intermediate byproducts.

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Biogenic silver nanoparticles associated with silver chloride nanoparticles (Ag@AgCl) produced by laccase from Trametes versicolor

Cited by 63 publications

References 37 publications

Yeast-derived biosynthesis of silver/silver chloride nanoparticles and their antiproliferative activity against bacteria

Yeast-derived biosynthesis of silver/silver chloride nanoparticles and their antiproliferative activity against bacteria

Antimicrobial activity of biogenic silver nanoparticles, and silver chloride nanoparticles: an overview and comments

Degradation of Pharmaceuticals and Personal Care Products by White-Rot Fungi—a Critical Review

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