Rapid, one-step preparation of SERS substrate in microfluidic channel for detection of molecules and heavy metal ions

On-chip fabrication of surface-enhanced Raman spectroscopy (SERS)-active materials enables continuous, real-time sensing of targets in the microfluidic chip. However, the current techniques require the time-consuming, complicated process and costly, bulky facilities. In this work, we present a novel...

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Bibliographic Details
Published in:Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy Molecular and biomolecular spectroscopy, 2019-09, Vol.220, p.117113, Article 117113
Main Authors: Yan, Sheng, Chu, Fangjia, Zhang, Haiyan, Yuan, Yuan, Huang, Yingzhou, Liu, Anping, Wang, Shuxia, Li, Weihua, Li, Shunbo, Wen, Weijia
Format: Article
Language:English
Subjects:
Biosensor
Heavy metal detection
Microfluidics
Nanoparticle synthesis
Surface-enhanced Raman spectroscopy
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Summary:On-chip fabrication of surface-enhanced Raman spectroscopy (SERS)-active materials enables continuous, real-time sensing of targets in the microfluidic chip. However, the current techniques require the time-consuming, complicated process and costly, bulky facilities. In this work, we present a novel method for synthesis of Ag nanostructures in a microfluidic channel via one-step electroless galvanic replacement reaction. The whole reaction could be achieved
ISSN:1386-1425
DOI:10.1016/j.saa.2019.05.018