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• Original Research

  Published 13 August 2026

  Senna leaf derived nitrogen-doped fluorescent carbon dots for Hg 2+ detection

  Yishan Ding · Chenxi Guo · Zhihua Xu · Ting Zhou · Xinyu Cheng · Alang Zhang · Kedong Guo · Feng Shi

  Frontiers in Analytical Science

  doi 10.3389/frans.2026.1837916