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Author:

Mu, Yunyun (Mu, Yunyun.) | Islam, Jahidul (Islam, Jahidul.) | Murray, Richard (Murray, Richard.) | Larrigy, Cathal (Larrigy, Cathal.) | Russo, Alida (Russo, Alida.) | Zhang, Xinping (Zhang, Xinping.) | Quinn, Aidan J. (Quinn, Aidan J..) | Iacopino, Daniela (Iacopino, Daniela.)

Indexed by:

EI Scopus SCIE

Abstract:

This paper presents a novel approach for the fabrication of low cost Electrochemical-Surface Enhanced Raman Scattering (EC-SERS) sensing platforms. Laser Induced Graphene (LIG) electrodes were readily fabricated by direct laser writing of polyimide tapes and functionalized with silver nanoparticles (Ag NPs) to obtain hybrid Ag NPs - LIG electrodes suitable for EC-SERS analysis. Detection was achieved by coupling a handheld potentiostat with a Raman spectrograph, enabling measurement of SERS spectra of target analytes generated during voltage sweeps in the 0.0 to -1.0 V interval range. The sensing capabilities of the fabricated system were first tested with model molecule 4-aminobenzenethiol (4-ABT). Following sensitive detection of 4-ABT, EC-SERS analysis of food contaminant melamine in milk and antibiotic difloxacin hydrochloride (DIF) in river water was demonstrated, achieving sensitive detection of both analytes without pre-treatment steps. The easiness of fabrication, versatility of design, rapid analysis time and potential miniaturization of the system make Ag NPs - LIG electrodes suitable for a large range of in situ applications in the field of food monitoring and for environmental analysis.

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Author Community:

  • [ 1 ] [Mu, Yunyun]Univ Coll Cork, Tyndall Natl Inst, Cork, Ireland
  • [ 2 ] [Islam, Jahidul]Univ Coll Cork, Tyndall Natl Inst, Cork, Ireland
  • [ 3 ] [Murray, Richard]Univ Coll Cork, Tyndall Natl Inst, Cork, Ireland
  • [ 4 ] [Larrigy, Cathal]Univ Coll Cork, Tyndall Natl Inst, Cork, Ireland
  • [ 5 ] [Russo, Alida]Univ Coll Cork, Tyndall Natl Inst, Cork, Ireland
  • [ 6 ] [Quinn, Aidan J.]Univ Coll Cork, Tyndall Natl Inst, Cork, Ireland
  • [ 7 ] [Iacopino, Daniela]Univ Coll Cork, Tyndall Natl Inst, Cork, Ireland
  • [ 8 ] [Mu, Yunyun]Beijing Univ Technol, Inst Informat Photon Technol, Fac Sci, Beijing 100124, Peoples R China
  • [ 9 ] [Zhang, Xinping]Beijing Univ Technol, Inst Informat Photon Technol, Fac Sci, Beijing 100124, Peoples R China

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Source :

ANALYST

ISSN: 0003-2654

Year: 2023

Issue: 13

Volume: 148

Page: 3087-3096

4 . 2 0 0

JCR@2022

ESI Discipline: CHEMISTRY;

ESI HC Threshold:20

Cited Count:

WoS CC Cited Count: 8

SCOPUS Cited Count: 11

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 6

Affiliated Colleges:

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