Cited by 41Gold and Silver Nanoparticles Synthesis and ApplicationsElectrochemical sensors and biosensorsAdvanced biosensing and bioanalysis techniques

Electrochemically renewable SERS sensor: A new platform for the detection of metabolites involved in peroxide production

Jiang, Lei, Wang, Lu, Zhan, De-Sheng, Jiang, Wen-Rong, Fodjo, Essy Kouadio, Hafez, Mahmoud Elsayed, Zhang, Yan-Mei, Zhao, Hu +2 more·2021·Biosensors and Bioelectronics

Abstract

The accurate detection of hydrogen peroxide (H 2 O 2)-involved metabolites plays a significant role in the early diagnosis of metabolism-associated diseases, whereas most of current metabolite-sensing systems are often hindered by low sensitivity, interference of coexisting species, or tedious preparation. Herein, an electrochemistry-regenerated surface-enhanced Raman scattering (SERS) sensor was developed to serve as a universal platform for detecting H 2 O 2-involved metabolites. The SERS sensor was constructed by modifying newly synthesized 2-mercaptohydroquinone (2-MHQ) molecules on the surface of gold nanoparticles (AuNPs) that were electrochemically predeposited on an ITO electrode. Metabolites were detected through the changes in the SERS spectrum as a result of the reaction of 2-MHQ with H 2 O 2 induced by the metabolites. Combining the superiority of SERS fingerprint identification and the specificity of the related enzymatic reactions producing H 2 O 2, the designed SERS sensor was highly selective in detecting glucose and uric acid as models of H 2 O 2-involved metabolite with limits of detection (LODs) of 0.159 μM and 0.0857 μM, respectively. Moreover, the sensor maintained a high SERS activity even after more than 10 electrochemical regenerations within 2 min, demonstrating its effectiveness for the rapid detection of various metabolites with electrochemistry-driven regulation. Importantly, the presented SERS sensor showed considerable practicability for the detection of metabolites in real serum samples. Accordingly, the SERS sensor is a new detection platform for H 2 O 2-involved metabolites detection in biological fluids, which may aid the early diagnosis of metabolism-related diseases.

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Crossref · 10.1016/j.bios.2020.112918

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  • 2-MHQ immobilized on AuNRs reacts with H2O2, oxidizing its hydroxyl group to a carbonyl group to form 2-mercaptobenzoquinone (2-MBQ), causing SERS spectral changes.

    “The reaction mechanism of 2-MHQ with H2O2 is shown in Figure 2 A, where the hydroxyl group ( ─ OH) of 2-MHQ is oxidized into carbonyl group ( ═ O), resulting in the formation of 2-mercaptobenzoquinone (2-MBQ) and the changes of SERS spectra when the oxidant H2O2 exists. [30,31]”
  • The Raman characteristic peak at 482 cm−1 of 2-MHQ is unsusceptible to H2O2 and serves as the intrinsic internal standard for spectra normalization.

    “The Raman characteristic peak at 482 cm 1 of 2-MHQ is reported unsusceptible to H 2 O2, [30] so it serves as the intrinsic internal standard for spectra normalization.”

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Authors
Jiang, L., Wang, L., Zhan, D.-S., Jiang, W.-R., Fodjo, E. K., Hafez, M. E., Zhang, Y.-M., Zhao, H., Qian, R.-C., & Li, D.-W.
Affiliations
  • East China University of Science and Technology (CN)
  • Fudan University (CN)
Corresponding author
  • Qian, Ruo-Can
  • Li, Da-Wei
Venue
Biosensors and Bioelectronics
Publisher
Elsevier BV
Published
2021-03
Volume
175
Pages
112918
ISSN
0956-5663 (ISSN-L)
OpenAlex
W3114952407
Cited by
41
References
53
Citations by year
2026: 3 · 2025: 5 · 2024: 12 · 2023: 7 · 2022: 9 · 2021: 5
FWCI
3.62
Type
journal article
Language
en
Open access
closed
Locations
  • Biosensors and Bioelectronics (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Fundamental Research Funds for the Central Universities
  • Science and Technology Commission of Shanghai Municipality
  • National Natural Science Foundation of China
  • National Major Science and Technology Projects of China
Topics
  • Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Gold and Silver Nanoparticles Synthesis and Applications
  • Physical Sciences › Engineering › Electrical and Electronic Engineering › Electrochemical sensors and biosensors
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Advanced biosensing and bioanalysis techniques
Keywords
surface-enhanced Raman scattering, hydrogen peroxide, gold nanoparticles, glucose detection, uric acid detection, SERS spectroscopy, electrochemical regeneration
MeSH terms
Gold, Hydrogen Peroxide, Peroxides, Spectrum Analysis, Raman, Biosensing Techniques, Metal Nanoparticles

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