Surface-enhanced infrared attenuated total reflection spectroscopy via carbon nanodots for small molecules in aqueous solution View Full Text


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Article Info

DATE

2018-12-14

AUTHORS

Yuan Hu, Qiong Chen, Lijie Ci, Kecheng Cao, Boris Mizaikoff

ABSTRACT

In this study, carbon nanodots (CNDs) with excellent aqueous dispersibility, narrow size distribution, and oxygen-rich functional groups have been prepared via a green electrochemical method. Graphite electrodes were directly electrolyzed at ambient temperatures to form uniform CNDs in deionized water, which is free from additional oxidant/reductant. As-synthesized CNDs have been applied to coat an attenuated total reflection (ATR) waveguide enabling surface-enhanced infrared absorption (SEIRA) spectroscopic studies for detecting a variety of analytes in aqueous phase with remarkably enhanced IR band intensities. Finally, the proposed ATR-SEIRA strategy enabled quantitatively analyzing adenine in aqueous solution after optimizing the amount of CNDs, the solution pH, and potential CND aggregation. Graphical abstract. More... »

PAGES

1-9

References to SciGraph publications

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  • 2018-12. Raman enhancement on ultra-clean graphene quantum dots produced by quasi-equilibrium plasma-enhanced chemical vapor deposition in NATURE COMMUNICATIONS
  • 2017-04. Rapid urinary tract infection diagnostics by surface-enhanced Raman spectroscopy (SERS): identification and antibiotic susceptibilities in ANALYTICAL AND BIOANALYTICAL CHEMISTRY
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  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/s00216-018-1521-9

    DOI

    http://dx.doi.org/10.1007/s00216-018-1521-9

    DIMENSIONS

    https://app.dimensions.ai/details/publication/pub.1110580078

    PUBMED

    https://www.ncbi.nlm.nih.gov/pubmed/30552490


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