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

A new silver nanorod SPR probe for detection of trace benzoyl peroxide.
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一种用于检测痕量过氧化苯甲酰的新型银纳米棒SPR探针

DOI:
10.1038/srep05323
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发表时间:
2014-06-17
期刊:
影响因子:
4.6
通讯作者:
Liang A
Liang A
中科院分区:
综合性期刊3区
文献类型:
--
作者:
Jiang Z;Wen G;Luo Y;Zhang X;Liu Q;Liang A

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The stable silver nanorod (AgNR) sol in red was prepared by the two-step procedure of NaBH4-H2O2and 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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