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

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, com...

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Bibliographic Details
Published in:Biosensors & bioelectronics 2017-08, Vol.94, p.131-140
Main Authors: Liu, Yu, Zhou, Haibo, Hu, Ziwei, Yu, Guangxia, Yang, Danting, Zhao, Jinshun
Format: Article
Language:English
Subjects:
Bacteria - isolation & purification
Bacteria - pathogenicity
Biosensing Techniques - methods
Food Safety
Humans
Infection - diagnosis
Infection - microbiology
Label method
Label-free method
Multifunctional detection platform
Pathogen bacteria
Silver - chemistry
Spectrum Analysis, Raman - methods
Surface-enhanced Raman scattering
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Summary: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. •Label based SERS method for pathogen bacteria detection.•Label-free based SERS method for pathogen bacteria detection.•SERS profile of pathogen bacteria.•Multifunctional SERS platform for bacteria detection.
ISSN:0956-5663
1873-4235
DOI:10.1016/j.bios.2017.02.032