4.6 Article

Highly selective fluorescence off-on probes for biothiols and imaging in live cells

Journal

ORGANIC & BIOMOLECULAR CHEMISTRY
Volume 12, Issue 35, Pages 6837-6841

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ob01031k

Keywords

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Funding

  1. National Science Foundation of China [21375113]
  2. Program for New Century Excellent Talents in University [NCET-11-0950]
  3. NIH [R01GM088226]
  4. CSC for Graduate Student Overseas Study Program [201307040059]

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Three sulfonyl benzothiazole-based fluorescent probes (RSHP1, RSHP2, and RSHP3) for the detection of biothiols (cysteine, homocysteine, and glutathione) are developed based on thiol-mediated nucleophilic aromatic substitutions. The probes exhibited good selectivity and sensitivity toward biothiols over other analytes. The probes were successfully applied for visualizing endogenous thiols in living cells.

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