4.8 Article

Mitochondrion-Specific Live-Cell Bioprobe Operated in a Fluorescence Turn-On Manner and a Well-Designed Photoactivatable Mechanism

Journal

ADVANCED MATERIALS
Volume 27, Issue 44, Pages 7093-7100

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201503751

Keywords

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Funding

  1. National Basic Research Program of China (973 Program) [2013CB834701]
  2. University Grants Committee of Hong Kong [AoE/P-03/08]
  3. Research Grants Council of Hong Kong [604913, 16301614, N_HKUST604/14]
  4. Innovation and Technology Commission [ITCPD117-9]
  5. Guangdong Innovative Research Team Program [201101C0105067115]

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A novel mitochondrion-specific live-cell fluorescence turn-on photoactivatable bioprobe, named o-TPP3M, is designed and readily prepared, operating in a new photoactivatable mechanism based on a twisted intramolecular charge-transfer effect, the restriction of intramolecular rotations, and photocyclodehydrogenation. This bioprobe exhibits unique photoactivation behavior, a large signal-to-background ratio, and no cytotoxicity to living cells, providing a promising candidate for varied bioresearch.

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