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Received January 12, 2010
Accepted March 26, 2010
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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Fast preparation of citrate-stabilized silver nanoplates and its nanotoxicity
Department of Chemical Engineering, Kwangwoon University, Seoul 139-701, Korea 1College of Pharmacy, Dongduk Women’s University, Seoul 136-714, Korea 2School of Chemical and Biological Engineering, Seoul National University, Seoul 151-742, Korea
korea1@kw.ac.kr
Korean Journal of Chemical Engineering, November 2010, 27(6), 1897-1900(4), 10.1007/s11814-010-0299-z
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Abstract
Abstract.Citrate-stabilized silver nanoplates (AgNPs) were prepared via a seed-mediated method without surfactants, such as cetyltrimethylammonium bromide (CTAB), in a short amount of time (15 min). Silver seeds with 3-4 nm in diameter were added to a growth solution containing AgNO3, trisodium citrate (TSC) and L-ascorbic acid (AA). The size of the AgNPs depended on the concentration of the silver seed and TSC. The physical properties of the AgNPs were analyzed by transmission electron microscopy (TEM) and by an ultraviolet-visible (UV-vis) spectrophotometer. In addition, we tested the nanotoxicity of AgNPs prepared in TSC solution to the spleen of a rat, and found that AgNPs induced inflammation and white spots on the surface of the spleen.
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