期刊
COLLOIDS AND SURFACES B-BIOINTERFACES
卷 68, 期 1, 页码 55-60出版社
ELSEVIER
DOI: 10.1016/j.colsurfb.2008.09.021
关键词
Apiin; Cold nanoparticles; Silver nanoparticles; Biological synthesis
We report a novel strategy for the biological synthesis of anisotropic gold and quasi-spherical silver nanoparticles by using apiin as the reducing and stabilizing agent. The size and shape of the nanoparticles can be controlled by varying the ratio of metal salts to apiin compound in the reaction medium. The resultant nanoparticles were characterized by UV-vis-NIR, transmission electron microscopy (TEM), FT-IR spectroscopy, X-ray diffraction (XRD) and thermogravimetric analysis (TGA). The interaction between nanoparticles with carbonyl group of apiin compound was confirmed by using FT-IR analysis. TEM photograph confirming the average size of the gold and silver nanoparticles were found to be at 21 and 39 nm. The NIR absorption of the gold nanotriangles is expected to be of application in hyperthermia of cancer cells and in IR-absorbing optical coatings. (C) 2008 Elsevier B.V. All rights reserved.
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