A new silver nanorod SPR probe for detection of trace benzoyl peroxide

被引：58
作者：
Jiang, Zhiliang [1 ]
Wen, Guiqing [1 ]
Luo, Yanghe [1 ]
Zhang, Xinghui [1 ]
Liu, Qingye [1 ]
Liang, Aihui [1 ]
机构：
[1] Guangxi Normal Univ, Key Lab Ecol Rare & Endangered Species & Environm, Minist Educ, Guilin 541004, Peoples R China
来源：
SCIENTIFIC REPORTS | 2014年 / 4卷
基金：
中国国家自然科学基金;
关键词：
SURFACE-PLASMON-RESONANCE; OPTICAL-PROPERTIES; NANOPARTICLES; IONS; SPECTROSCOPY; OXIDIZATION; NANOSILVER; REDUCTION; APTAMER; GROWTH;
D O I：
10.1038/srep05323
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The stable silver nanorod (AgNR) sol in red was prepared by the two-step procedure of NaBH4-H2O2 and citrate heating reduction. The AgNR had a transverse and a longitudinal surface plasmon resonance (SPR) absorption peak at 338 nm and 480 nm. Meanwhile, two transverse and longitudinal SPR Rayleigh scattering (SPR-RS) peaks at 340 nm and 500 nm were observed firstly using common fluorescence spectrometer. The SPR absorption, RS, surface enhanced Raman scattering (SERS) and electron microscope technology were used to study the formation mechanism of red silver nanorods and the SERS enhancement mechanism of nano-aggregation. The AgNR-BPO SPR absorption and AgNR-NaCl-BPO SPR-RS analytical systems were studied to develop two new simple, rapid, and low-cost SPR methods for the detection of trace BPO.
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页数：7
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