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Statements

Subject Item
n2:RIV%2F61989592%3A15310%2F14%3A33152269%21RIV15-MSM-15310___
rdf:type
skos:Concept n10:Vysledek
rdfs:seeAlso
http://www.sciencedirect.com/science/article/pii/S0001868613001735
dcterms:description
This review paper presents the overview of processes involved in transformation of organic-coated silver nanoparticles (AgNPs) in biological systems and in the aquatic environment. The coating on AgNPs greatly influences the fate, stability, and toxicity of AgNPs in aqueous solutions, biological systems, and the environment. Several organic-coated AgNP systems are discussed to understand their stability and toxicity in biological media and natural water. Examples are presented to demonstrate how a transformation of organic-coated AgNPs in an aqueous solution is affected by the type of coating, pH, kind of electrolyte (mono- or divalent), ionic strength, organic ligands (inorganic and organic), organic matter (fulvic and humic acids), redox conditions (oxic and anoxic), and light. Results of cytotoxicity, genotoxicity, and ecotoxicity of coated AgNPs to food chain members (plants, bacteria, and aquatic and terrestrial organisms) are reviewed. Key factors contributing to toxicity are the size, shape, surface coating, surface charge, and conditions of silver ion release. AgNPs may directly damage the cell membranes, disrupt ATP production and DNA replication, alternate gene expressions, release toxic Ag+ ion, and produce reactive oxygen species to oxidize biological components of the cell. A progress made on understanding the mechanism of organic-coated AgNP toxicity using different analytical techniques is presented. This review paper presents the overview of processes involved in transformation of organic-coated silver nanoparticles (AgNPs) in biological systems and in the aquatic environment. The coating on AgNPs greatly influences the fate, stability, and toxicity of AgNPs in aqueous solutions, biological systems, and the environment. Several organic-coated AgNP systems are discussed to understand their stability and toxicity in biological media and natural water. Examples are presented to demonstrate how a transformation of organic-coated AgNPs in an aqueous solution is affected by the type of coating, pH, kind of electrolyte (mono- or divalent), ionic strength, organic ligands (inorganic and organic), organic matter (fulvic and humic acids), redox conditions (oxic and anoxic), and light. Results of cytotoxicity, genotoxicity, and ecotoxicity of coated AgNPs to food chain members (plants, bacteria, and aquatic and terrestrial organisms) are reviewed. Key factors contributing to toxicity are the size, shape, surface coating, surface charge, and conditions of silver ion release. AgNPs may directly damage the cell membranes, disrupt ATP production and DNA replication, alternate gene expressions, release toxic Ag+ ion, and produce reactive oxygen species to oxidize biological components of the cell. A progress made on understanding the mechanism of organic-coated AgNP toxicity using different analytical techniques is presented.
dcterms:title
Organic-coated silver nanoparticles in biological and environmental conditions: Fate, stability and toxicity Organic-coated silver nanoparticles in biological and environmental conditions: Fate, stability and toxicity
skos:prefLabel
Organic-coated silver nanoparticles in biological and environmental conditions: Fate, stability and toxicity Organic-coated silver nanoparticles in biological and environmental conditions: Fate, stability and toxicity
skos:notation
RIV/61989592:15310/14:33152269!RIV15-MSM-15310___
n3:aktivita
n15:P
n3:aktivity
P(ED2.1.00/03.0058), P(EE2.3.20.0056), P(GPP108/11/P657)
n3:cisloPeriodika
February
n3:dodaniDat
n12:2015
n3:domaciTvurceVysledku
n4:6536328 n4:9251189
n3:druhVysledku
n13:J
n3:duvernostUdaju
n16:S
n3:entitaPredkladatele
n19:predkladatel
n3:idSjednocenehoVysledku
35097
n3:idVysledku
RIV/61989592:15310/14:33152269
n3:jazykVysledku
n14:eng
n3:klicovaSlova
toxicity; stability; fate; conditions; environmental; biological; nanoparticles; silver; Organic-coated
n3:klicoveSlovo
n5:nanoparticles n5:conditions n5:fate n5:biological n5:stability n5:toxicity n5:silver n5:Organic-coated n5:environmental
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[5F2F396C02B7]
n3:nazevZdroje
Advances in Colloid and Interface Science
n3:obor
n18:CF
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
4
n3:projekt
n8:GPP108%2F11%2FP657 n8:EE2.3.20.0056 n8:ED2.1.00%2F03.0058
n3:rokUplatneniVysledku
n12:2014
n3:svazekPeriodika
204
n3:tvurceVysledku
Machalová Šišková, Karolína Gardea-Torresdey, Jorge L Zbořil, Radek Sharma, Virender K
n3:wos
000331511500002
s:issn
0001-8686
s:numberOfPages
20
n7:doi
10.1016/j.cis.2013.12.002
n17:organizacniJednotka
15310