Metastable state nanoparticle-enhanced Raman spectroscopy for highly sensitive detection |
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| Authors: | Yang Liangbao Liu Honglin Wang Jin Zhou Fei Tian Zhongqun Liu Jinhuai |
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| Affiliation: | Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei 230031, China. lbyang@iim.ac.cn |
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| Abstract: | Metastable state silver nanoparticle surface-enhanced Raman scattering has been experimentally and theoretically demonstrated; the signal is two to three orders of magnitude higher than that for the traditional method. Ultrasensitive surface-enhanced Raman scattering signals of illicit drug cocaine and organophosphate pesticide methyl-parathion were observed. |
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