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Journal of photochemistry and photobiology. B, Biology

Transmembrane potential measurement with carbocyanine dye diS-C3-(5): fast fluorescence decay studies.


PMID 2107293

Abstract

The mechanism of carbocyanine dye diS-C3-(5) fluorescence intensity variations with transmembrane potential changes has been studied using time-resolved fluorescence spectroscopy. Clear evidence is given of the transmembrane-potential-dependent partition of the dye among various sites with different fluorescence lifetimes. It was found that fluorescence decay profiles reflect the transmembrane potential changes.

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43608
3,3′-Dipropylthiadicarbocyanine iodide, ≥98.0% (TLC), suitable for fluorescence
C25H27IN2S2