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Σάββατο 4 Μαρτίου 2017

Label and label-free based surface-enhanced Raman scattering for pathogen bacteria detection: A review

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Publication date: 15 August 2017
Source:Biosensors and Bioelectronics, Volume 94
Author(s): Yu Liu, Haibo Zhou, Ziwei Hu, Guangxia Yu, Danting Yang, Jinshun Zhao
Rapid, accurate detection of pathogen bacteria is a highly topical research area for the sake of food safety and public health. Surface-enhanced Raman scattering (SERS) is being considered as a powerful and attractive technique for pathogen bacteria detection, due to its sensitivity, high speed, comparatively low cost, multiplexing ability and portability. This contribution aims to give a comprehensive overview of SERS as a technique for rapid detection of pathogen bacteria based on label and label-free strategies. A brief tutorial on SERS is given first of all. Then we summarize the recent trends and developments of label and label-free based SERS applied to detection of pathogen bacteria, including the relatively complete interpretation of SERS spectra. In addition, multifunctional SERS platforms for pathogen bacteria in matrix are discussed as well. Furthermore, an outlook of the work done and a perspective on the future directions of SERS as a reliable tool for real-time pathogen bacteria detection are given.



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