仪器分析实验课程建设：表面增强拉曼光谱快速分析食用色素

doi:10.3866/PKU.DXHX202308034

Abstract

Abstract:

Surface-enhanced Raman spectroscopy (SERS), as an important instrumental analysis method, has been gradually applied to food safety analysis in recent years due to its advantages in fast detection speed, convenient instrument portability, high sensitivity and abundant fingerprint characteristics. Building on prior research foundations and integrating science with education, we designed an experiment titled "Surface-Enhanced Raman Spectroscopy (SERS) for Rapid Detection of Edible Pigment". This experiment aims to provide students with hands-on training in the preparation of SERS substrates, optimization of SERS detection, and the development and application of SERS-based rapid analytical methods. By engaging in this experiment, students will not only acquire essential skills in SERS rapid detection but also gain in-depth knowledge of cutting-edge techniques and cultivate their abilities in experimental innovation.

Key words: Instrumental analysis experiment, Surface-enhanced Raman spectroscopy, Rapid detection, Edible pigments

Zhuomin Zhang, Hanbing Huang, Liangqiu Lin, Jingsong Liu, Gongke Li. Course Construction of Instrumental Analysis Experiment: Surface-Enhanced Raman Spectroscopy for Rapid Detection of Edible Pigments[J].University Chemistry, 2024, 39(2): 133-139.

Figures/Tables 4

References 12

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分析物	样品	SERS方法					HPLC-UV 测定值/ (mg∙L⁻¹)	相对误差/%
分析物	样品	测定值/ (mg∙L⁻¹)	加标量/ (mg∙L⁻¹)	加标后测定值/ (mg∙L⁻¹)	回收率/%	相对标准偏差 (n = 3，%)	HPLC-UV 测定值/ (mg∙L⁻¹)	相对误差/%
LY	饮料样品1	14.3	10.0	23.5	92.0	7.6	15.9	−10.0
LY	饮料样品1	14.3	25.0	42.7	114	2.8	15.9	−10.0
EB	饮料样品2	N.D.	3.00	3.50	117	4.3	未检出	-
EB	饮料样品2	N.D.	5.00	4.80	96.0	6.7	未检出	-

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Course Construction of Instrumental Analysis Experiment: Surface-Enhanced Raman Spectroscopy for Rapid Detection of Edible Pigments

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