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August 2, 2026NANO

Synthesis of Mugwort Leaves-derived Carbon Quantum Dots and Their Application in Intracellular pH Sensing and Imaging

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Authors

HGHao GengZCZheng ChenYHYuefang HuFujian Normal University

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Overview

This randomized trial demonstrates enhanced pH sensing in living cells using nitrogen-doped carbon quantum dots, suggesting potential biomedical applications.

Key Points

  • The study aims to synthesize nitrogen-doped carbon quantum dots (N-CQDs) from mugwort leaves for intracellular pH sensing.
  • Synthesis of N-CQDs via hydrothermal method using mugwort leaves.
  • Characterization of optical, electrochemical, stability, and pH sensing properties.
  • Application of N-CQDs as nano-fluorescent probes for intracellular pH sensing.
  • N-CQDs had a quantum yield of 32.25%, compared to 16.29% for undoped CQDs.
  • N-CQDs exhibited a good linear relationship between fluorescence intensity and pH in the range of 4.0-8.5.
  • N-CQDs showed excellent stability and strong fluorescence intensity, indicating high sensitivity for pH detection in living cells.

Cite This Study

Geng et al. (2026) studied this question.

synapsesocial.com/papers/6a6eeb101b0468a7eeab3d6chttps://doi.org/10.1142/s1793292026501559
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