What question did this study set out to answer?

To design and synthesize cobalt-doped carbon dots with enhanced sensory and antibacterial properties.

January 24, 2026Analytical Methods1 citations

Design and synthesis of a cobalt-doped carbon dot nanozyme for colorimetric/fluorometric dual-mode detection of nitrite ions and antibacterial applications

SWShansi WeiNorthwest University DLDai LiNorthwest University MZManqi ZangQingdao University of Science and Technology

Key Points

To design and synthesize cobalt-doped carbon dots with enhanced sensory and antibacterial properties.
Synthesis of cobalt-doped carbon dots using a hydrothermal method
Assessment of peroxidase-like activity
Evaluation of sensitivity to nitrite ions
Testing antibacterial performance against E. coli and S. aureus
Cobalt-doped carbon dots exhibited strong peroxidase-like activity
High sensitivity detected for nitrite ions
Demonstrated effective antibacterial performance against E. coli and S. aureus

Abstract

Cobalt-doped carbon dots (Co-CDs) were prepared by hydrothermal method, illustrating strong peroxidase-like activity and high sensitivity to NO 2 − , and excellent antibacterial performance against E. coli and S. aureus .

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