高等学校化学学报 ›› 2025, Vol. 46 ›› Issue (2): 20240457.doi: 10.7503/cjcu20240457

• 综合评述 • 上一篇    

基于内标法的表面增强拉曼光谱在定量分析中的应用

毕英娜1, 刘定斌2()   

  1. 1.齐鲁师范学院化学与化工学院,济南 250200
    2.南开大学化学学院,天津 300071
  • 收稿日期:2024-10-09 出版日期:2025-02-10 发布日期:2024-11-13
  • 通讯作者: 刘定斌 E-mail:liudb@nankai.edu.cn
  • 基金资助:
    国家自然科学基金(22425401)

Internal Standard Method-based Surface-enhanced Raman Spectroscopy for Quantitative Analysis

BI Yingna1, LIU Dingbin2()   

  1. 1.College of Chemistry and Chemical Engineering,Qilu Normal University,Jinan 250200,China
    2.College of Chemistry,Nankai University,Tianjin 300071,China
  • Received:2024-10-09 Online:2025-02-10 Published:2024-11-13
  • Contact: LIU Dingbin E-mail:liudb@nankai.edu.cn
  • Supported by:
    the National Natural Science Foundation of China(22425401)

摘要:

表面增强拉曼光谱(SERS)是一种已被广泛应用于疾病诊断、 药物筛选及生物分析等领域的光谱检测方法, 它不仅可以提供丰富的化学指纹信息, 而且具有灵敏度高、 抗光漂白和光降解能力强等优点. 然而, 由于SERS增强基底的结构均一性差和化学分子吸附数量的不确定性, 导致检测结果重现性差, 其定量分析面临诸多挑战. 通过引入内标信号可以消除或减少外部干扰因素, 从而实现SERS的准确定量分析. 本文首先阐述了内标法的机理, 然后介绍了内标法的主要类型, 接着举例说明了内标型SERS探针在环境分析、 食品药品分析以及生物分析等领域的应用, 最后展望了内标型SERS面临的挑战及未来发展方向.

关键词: 表面增强拉曼光谱, 定量分析, 内标法

Abstract:

Surface-enhanced Raman spectroscopy(SERS) is a spectral detection method that has been widely used in the fields of disease diagnosis, drug screening, and biological analysis, etc. It can not only provide rich chemical fingerprint information but also has the advantages of high sensitivity, resistance to photobleaching, and photodegradation. However, due to the poor uniformity of its enhancement matrix structure and the uncertainty of the number of chemical molecules adsorbed, the reproducibility of SERS detection results is poor, which makes it face many challenges in quantitative analysis. The deployment of internal standards could eliminate the external interference factors, thus achieving accurate quantitative analysis. We set out this review with a description of the mechanism of internal-standard methods, followed by introducing their main types. Thereafter, we introduced explanations of the applications of internal-standard probes in environmental analysis, food and drug analysis, and biological analysis. We conclude with an outlook of challenges and future development directions of internal-standard SERS.

Key words: Surface-enhanced Raman spectroscopy, Quantitative analysis, Internal standard method

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