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Tuning the Sensitivity of Fluorescent Porphyrin Dimers to Viscosity and Temperature.

Aurimas VyšniauskasDong DingMaryam QurashiIgor BoczarowMilan BalazHarry L AndersonMarina K Kuimova
Published in: Chemistry (Weinheim an der Bergstrasse, Germany) (2017)
Conjugated porphyrin dimers have emerged as versatile viscosity-sensitive fluorophores that are suitable for quantitative measurements of microscopic viscosity by ratiometric and fluorescence lifetime-based methods, in a concentration-independent manner. Here, we investigate the effect of extended conjugation in a porphyrin-dimer structure on their ability to sense viscosity and temperature. We show that the sensitivity of the fluorescence lifetime to temperature is a unique property of only a few porphyrin dimers.
Keyphrases
  • energy transfer
  • photodynamic therapy
  • quantum dots
  • metal organic framework
  • living cells
  • electron transfer
  • high resolution
  • sensitive detection