期刊
FOOD CHEMISTRY
卷 369, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.foodchem.2021.130971
关键词
Surface enhanced Raman scattering; Molecularly imprinted polymers; Histamine; Dual-semiconductors; Sensor
资金
- National Natural Science Foundation of China [31972149]
- Key R&D Project of Shandong Province [2019GNC106030]
A highly sensitive molecularly imprinted surface-enhanced Raman scattering sensor has been developed for selective detection of histamine, showing good linearity and sensitivity. In spiked liquor samples, histamine was accurately detected with high recoveries.
A highly sensitive molecularly imprinted surface-enhanced Raman scattering (SERS) sensor was developed for selective detection of histamine. A combination of two semiconductors and Ag nanoparticles (NPs) was used as the SERS substrate. The SERS was induced by Ag NPs plasmon resonances as well as charge-transfer between the semiconductors and the Ag NPs. The Raman intensity and the logarithm of the histamine concentration were linear over the range 10(-8)-10(-3) mol L-1. The sensor exhibited good selectivity and had a sensitivity limit of 3.088 x 10(-9) mol L-1. Histamine was detected in a spiked liquor sample, and its recoveries were in the range of 89.89%-109.18%.
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