Highly fluorescent and water soluble turn-on type diarylethene for super-resolution bioimaging over a broad pH range

Sang Hoon Um, Hyung Jun Kim, Dojin Kim, Ji Eon Kwon, Jong Woo Lee, Doyk Hwang, Seong Keun Kim, Soo Young Park

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

We report a water-soluble turn-on type diarylethene SO3-BPDBTEO that reversibly switches its fluorescence on and off upon light stimuli. We note that the two sodium sulfonate groups enable SO3-BPDBTEO to exhibit excellent photo-switching properties in aqueous solution over a wide range of pH between 3 and 10. We demonstrated that SO3-BPDBTEO could be applied to conventional fluorescence imaging of mammalian cell lines such as HeLa cell at various pH conditions with low cytotoxicity. We also examine its feasibility for super-resolution fluorescence imaging as a photoswitching probe.

Original languageEnglish
Pages (from-to)36-41
Number of pages6
JournalDyes and Pigments
Volume158
DOIs
StatePublished - Nov 2018

Keywords

  • Bioimaging
  • Broad pH range
  • Fluorescence
  • Photochromism
  • Super-resolution

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