Issue 27, 2020

Identification of eight pathogenic microorganisms by single concentration-dependent multicolor carbon dots

Abstract

The identification of pathogenic microorganisms is crucial to human health and industrial development, however, traditional culture-based methods are laborious and time consuming. We developed a novel method for the identification of pathogenic microorganisms based on single concentration-dependent carbon dots (CDs). The CDs were synthesized using a microwave heating approach without any complicated purification processes and the PL emission wavelength of the CDs could be tuned only by changing the concentration of the solution. The concentration-dependent CDs were applied for multicolor bioimaging and identification of eight kinds of microorganisms within minutes using different fluorescence spectra. This work provides a new approach for the detection of multiplex targets in real samples and lays a foundation for food safety monitoring.

Graphical abstract: Identification of eight pathogenic microorganisms by single concentration-dependent multicolor carbon dots

Supplementary files

Article information

Article type
Paper
Submitted
30 Mar 2020
Accepted
09 Jun 2020
First published
10 Jun 2020

J. Mater. Chem. B, 2020,8, 5877-5882

Identification of eight pathogenic microorganisms by single concentration-dependent multicolor carbon dots

S. Wang, Y. Zhang, P. Zhuo, Q. Hu, Z. Chen and L. Zhou, J. Mater. Chem. B, 2020, 8, 5877 DOI: 10.1039/D0TB00834F

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