Composition and Structure of Fluorescent Graphene Quantum Dots Generated by Enzymatic Degradation of Graphene Oxide

Our results indicated that structures with several conjugated benzene rings are likely to generate the observed PL

Xiaoyun He; Dan C. Sorescu; Alexander Star

2021

Scholarcy highlights

  • The wide applications of carbon nanomaterials in both materials and life sciences necessitate investigation of their metabolites due to the inevitable contact of CNMs and biological systems
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  • Graphene oxide, along with other types of CNMs, can be enzymatically degraded by myeloperoxidase, an enzyme released during the innate immune response
  • Some products generated during MPO-catalyzed degradation of GO could emit blue photoluminescence and were dubbed graphene quantum dots without further elucidating their structures
  • A general chemical formula screening workflow was developed for the GQDs, which are in the form of polyaromatic hydrocarbons, obtained in the degradation products
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