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Organic-coated silver nanoparticles in biological and environmental conditions: fate, stability and toxicity.
Adv Colloid Interface Sci. 2014 Feb; 204:15-34.AC

Abstract

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.

Authors+Show Affiliations

Department of Environmental and Occupational Health, School of Rural Public Health, Texas A&M University, 1266 TAMU, College Station, TX 77843-1266, United States. Electronic address: vsharma@srph.tamhsc.edu.Regional Centre of Advanced Technologies and Materials, Department of Physical Chemistry, Faculty of Science, Palacky University, Slechtitelu 11, 78371 Olomouc, Czech Republic.Regional Centre of Advanced Technologies and Materials, Department of Physical Chemistry, Faculty of Science, Palacky University, Slechtitelu 11, 78371 Olomouc, Czech Republic.Department of Chemistry, The University of Texas at El Paso, 500 West University Avenue, El Paso, TX 79968, United States.

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, Non-P.H.S.
Review

Language

eng

PubMed ID

24406050

Citation

Sharma, Virender K., et al. "Organic-coated Silver Nanoparticles in Biological and Environmental Conditions: Fate, Stability and Toxicity." Advances in Colloid and Interface Science, vol. 204, 2014, pp. 15-34.
Sharma VK, Siskova KM, Zboril R, et al. Organic-coated silver nanoparticles in biological and environmental conditions: fate, stability and toxicity. Adv Colloid Interface Sci. 2014;204:15-34.
Sharma, V. K., Siskova, K. M., Zboril, R., & Gardea-Torresdey, J. L. (2014). Organic-coated silver nanoparticles in biological and environmental conditions: fate, stability and toxicity. Advances in Colloid and Interface Science, 204, 15-34. https://doi.org/10.1016/j.cis.2013.12.002
Sharma VK, et al. Organic-coated Silver Nanoparticles in Biological and Environmental Conditions: Fate, Stability and Toxicity. Adv Colloid Interface Sci. 2014;204:15-34. PubMed PMID: 24406050.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Organic-coated silver nanoparticles in biological and environmental conditions: fate, stability and toxicity. AU - Sharma,Virender K, AU - Siskova,Karolina M, AU - Zboril,Radek, AU - Gardea-Torresdey,Jorge L, Y1 - 2013/12/12/ PY - 2013/04/24/received PY - 2013/10/24/revised PY - 2013/12/04/accepted PY - 2014/1/11/entrez PY - 2014/1/11/pubmed PY - 2014/9/12/medline KW - Aggregation KW - Bacteria KW - Dissolution KW - Ionic strength KW - Light KW - Organisms KW - Plants KW - Silver ion KW - Synthesis SP - 15 EP - 34 JF - Advances in colloid and interface science JO - Adv Colloid Interface Sci VL - 204 N2 - 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. SN - 1873-3727 UR - https://www.unboundmedicine.com/medline/citation/24406050/Organic_coated_silver_nanoparticles_in_biological_and_environmental_conditions:_fate_stability_and_toxicity_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0001-8686(13)00173-5 DB - PRIME DP - Unbound Medicine ER -