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article · ACS Omega

Fluorescent-Nitrogen-Doped Carbon Quantum Dots Derived from Citrus Lemon Juice: Green Synthesis, Mercury(II) Ion Sensing, and Live Cell Imaging

2020206 citationsOpen accessDebre Berhan University

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Abstract

. The limit of detection (LOD) is 5.3 nM and the limit of quantification (LOQ) is 18.3 nM at a 99% confidence level. The cytotoxicity was evaluated using MCF7 cells, and the cell viabilities were determined to be greater than 88% upon the addition of NCQDs over a wide concentration range from 0 to 2 mg/mL. Based on the low cytotoxicity, good biocompatibility, and other revealed interesting merits, we also applied the prepared NCQDs as an effective fluorescent probe for multicolor live cell imaging.

Research topics

  • Carbon and Quantum Dots Applications
  • Nanocluster Synthesis and Applications
  • Advanced biosensing and bioanalysis techniques

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DOI: 10.1021/acsomega.9b03175

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