Carbon Dots Doped with Dysprosium: A Bimodal Nanoprobe for MRI and Fluorescence Imaging

Research output: Contribution to journalArticle

Abstract

In recent years, functional nanoprobes with multiple imaging modalities have become an emerging field of biomedical research. In this preliminary study, we utilized a facile hydrothermal method for the preparation of magneto-fluorescent bimodal carbon dots doped with dysprosium (Dy-CDs). The prepared Dy-CDs have shown a good colloidal stability in a water solution and strong blue⁻green fluorescence, with a maximum at 452 nm. In addition, the excellent transverse relaxivity of the prepared Dy-CDs (r₂ = 7.42 ± 0.07 mM-1s-1) makes them also suitable for T₂-weighted magnetic resonance imaging (MRI). Thus, synthesized Dy-CDs could be potentially utilized for both MRI and fluorescence imaging of living cells.

Original languageEnglish
Article number35
JournalJournal of Functional Biomaterials
Volume9
Issue number2
DOIs
Publication statusPublished - May 18 2018
Externally publishedYes

Keywords

  • Carbon dots
  • dysprosium
  • bimodal nanoprobes
  • fluorescence
  • magnetic resonance imaging MRI

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