4.6 Article

Old is new again: a chemical probe for targeting mitochondria and monitoring mitochondrial membrane potential in cells

Journal

ANALYST
Volume 140, Issue 17, Pages 5849-5854

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c5an00918a

Keywords

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Funding

  1. National Natural Science Foundation of China [21222502, 91213305]
  2. Ministry of Science and Technology [2011CB933201]
  3. Youth Innovation Promotion Association (CAS)
  4. CAS/SAFEA International Partnership Program for Creative Research Teams
  5. Strategic Priority Research Program of the Chinese Academy of Sciences [XDA09030305]
  6. National High Technology Research and Development Program of China [2012AA022703]

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Here, we explore the new application of an old molecule. We find that the tetraphenylethene-indolium molecule (TPE-indo) can both image the mitochondria (in the aggregated state), and indicate mitochondrial activity by the fluorescence change of TPE-indo. TPE-indo shows good photostability, longer emission wavelength, targeting effect for mitochondria, and better response to the changes of the mitochondrial membrane potential (Delta Psi(m)).

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