Delayed fluorescence of eosin-bound protein: a probe for measurement of slow-rotational mobility

Jialing Yao; Daniel McStay; Alan J. Rogers; Peter J. Quinn

doi:10.1117/12.50031

1 August 1991 Delayed fluorescence of eosin-bound protein: a probe for measurement of slow-rotational mobility

Jialing Yao, Daniel McStay, Alan J. Rogers, Peter J. Quinn

Proceedings Volume 1572, International Conference on Optical Fibre Sensors in China OFS(C) '91; (1991) https://doi.org/10.1117/12.50031
Event: International Conference on Optical Fibre Sensors in China, 1991, Wuhan, China

Abstract

The slow rotational diffusion of macromolecules has been investigated by measuring the decay of dichroism in laser-pulse induced transient emissions for triplet probes bound to the molecules. A comparison of the anisotropy parameters of phosphorescence and delayed fluorescence from eosin-bound bovine serum albumin (BSA) is described. The results indicate that the measurement of delayed fluorescence is often the preferable option for investigating the rotational diffusion of the macromolecules.

Citation Download Citation

Jialing Yao, Daniel McStay, Alan J. Rogers, and Peter J. Quinn "Delayed fluorescence of eosin-bound protein: a probe for measurement of slow-rotational mobility", Proc. SPIE 1572, International Conference on Optical Fibre Sensors in China OFS(C) '91, (1 August 1991); https://doi.org/10.1117/12.50031

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