Monitoring Excited-State Relaxation in a Molecular Marker in live cells – a Case Study on Astaxanthin

in: Chemical Communications (2021)
Yang, Tingxiang; Chettri, Avinash; Radwan, Basseem; Matuszyk, Ewelina; Baranska, Malgorzata; Dietzek, Benjamin
Small molecules are frequently used as dyes, labels and markers to visualize and probe biophysical processes within cells. However, very little is generally known about the light-driven excited-state reactivity of such systems when placed in cells. Here an experimental approach to study ps time-resolved excited state dynamics of a benchmark molecular marker, astaxanthin, in live human cells is introduced.

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