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Issue 23, 2020
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Perspectives of DCDR-GERS in the analysis of amino acids

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Abstract

Graphene-enhanced Raman scattering (GERS) has attracted increasing attention from many scientists in recent years as a novel and potentially strong analytical technique since its discovery in 2010. GERS combines the ultra-high sensitivity and spectral analysis of the structural properties of many molecules found in surface-enhanced Raman scattering (SERS) and graphene simple sample processing and excellent uniformity. This facilitates a fast and very sensitive analysis of a wide range of analytes. Here, we present a new method for amino acid analysis based on the combination of drop coating deposition Raman (DCDR) and GERS. The potential of the method was evaluated in the analyses of Trp, Leu, Phe, and DOPA. Achievable limits of detection for all the studied amino acids are in tens of ng mL−1.

Graphical abstract: Perspectives of DCDR-GERS in the analysis of amino acids

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Article information


Submitted
05 Aug 2020
Accepted
29 Aug 2020
First published
31 Aug 2020

Analyst, 2020,145, 7701-7708
Article type
Paper

Perspectives of DCDR-GERS in the analysis of amino acids

V. Ranc and Z. Chaloupková, Analyst, 2020, 145, 7701
DOI: 10.1039/D0AN01564D

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