期刊
MICRON
卷 40, 期 4, 页码 444-448出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.micron.2009.01.002
关键词
Nanoindentation; Nanoparticles; Gold
类别
资金
- NSF [CHE-0614132]
The hardness and Young's modulus of 10 and 20 nm gold nanoparticles (Au NPs) modified with bovine serum albumin and streptavidin were measured using a nanoindenter. The Au NPs were immobilized on a semiconductor surface through organic self-assembled monolayers. Changes in mechanical properties occurred when the An NPs were immobilized on the surface. The hardness and Young's modulus were dependent on the size of the NPs, and the proteins on the particles showed highly plastic and elastic behavior compared to flat surfaces modified with self-assembled monolayers. (C) 2009 Elsevier Ltd. All rights reserved.
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