Surface enhanced Raman scattering analysis with filter-based enhancement substrates: A mini review

IF 3.6 3区 化学 Q2 CHEMISTRY, ANALYTICAL Reviews in Analytical Chemistry Pub Date : 2021-01-01 DOI:10.1515/revac-2021-0126
Fugang Xu, M. Xuan, Zixiang Ben, Wenjuan Shang, Guangran Ma
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引用次数: 10

Abstract

Abstract Surface enhanced Raman is a powerful analytical tool with high sensitivity and unique specificity and promising applications in various branches of analytical chemistry. Despite the fabrication of ingenious enhancement substrate used in laboratory research, the development of simple, flexible, and cost-effective substrate is also great important for promoting the application of SERS in practical analysis. Recently, paper and filter membrane as support to fabricate flexible SERS substrates received considerable attentions. Paper-based SERS substrate has been reviewed but no summary on filter-based SERS substrate is available. Compared with paper, filter membrane has unique advantage in robust mechanics, diverse component, and tunable pore size. These characteristics endow the filter-based substrates great advantages for practical SERS analysis including simple and low-cost substrate preparation, high efficiency in preconcentration, separation and detection procedure. Therefore, filter-based substrates have shown great promise in SERS analysis in environment monitoring, food safety with high sensitivity and efficiency. As more and more work has been emerged, it is necessary to summarize the state of such a research topic. Here, the research on filter involved SERS analysis in the past eight years is summarized. A short introduction was presented to understand the background, and then the brief history of filter-based substrate is introduced. After that, the preparation of filter-based substrate and the role of filter are summarized. Then, the application of filter involved SERS substrate in analysis is presented. Finally, the challenges and perspective on this topic is discussed.
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基于滤光片的表面增强拉曼散射分析:综述
摘要表面增强拉曼是一种功能强大的分析工具,具有高灵敏度和独特的特异性,在分析化学的各个分支中有着广阔的应用前景。除了用于实验室研究的巧妙增强衬底的制作外,开发简单、灵活、经济的衬底对于促进SERS在实际分析中的应用也非常重要。近年来,纸张和过滤膜作为载体制备柔性SERS基板受到了广泛关注。基于纸张的SERS衬底已经进行了综述,但没有关于基于过滤器的SERS衬底的总结。与纸相比,过滤膜具有坚固的力学性能、多样的成分和可调节的孔径等独特的优点。这些特点赋予了滤基基底在实际SERS分析中的巨大优势,包括制备基底的简单和低成本,预富集、分离和检测过程的高效率。因此,过滤器基底物在环境监测、食品安全等方面的SERS分析具有很高的灵敏度和效率。随着越来越多的工作涌现出来,有必要对这一研究课题的现状进行总结。这里对近8年来涉及SERS分析的滤波器研究进行总结。首先简要介绍了滤波基板的研究背景,然后介绍了滤波基板的发展简史。在此基础上,对滤基基片的制备及滤基的作用进行了综述。然后,介绍了涉及SERS衬底的滤波器在分析中的应用。最后,讨论了本课题面临的挑战和展望。
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来源期刊
Reviews in Analytical Chemistry
Reviews in Analytical Chemistry 化学-分析化学
CiteScore
7.50
自引率
0.00%
发文量
15
审稿时长
>12 weeks
期刊介绍: Reviews in Analytical Chemistry publishes authoritative reviews by leading experts in the dynamic field of chemical analysis. The subjects can encompass all branches of modern analytical chemistry such as spectroscopy, chromatography, mass spectrometry, electrochemistry and trace analysis and their applications to areas such as environmental control, pharmaceutical industry, automation and other relevant areas. Review articles bring the expert up to date in a concise manner and provide researchers an overview of new techniques and methods.
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