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Chemicals, plastics and rubber industries

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Detailed balance in Forster-Dexter excitation transfer and its application to photosynthesis

Article Abstract:

The rates of Forster-Dexter excitation transfer between two chromophores involved in photosynthesis were investigated. In addition, the extent to which approximations to Forster-Dexter transfer agree with detailed balance results and the implications of the result for multichromophore systems were examined. The question of whether there is a consistent definition of a characteristic energy for each excited chromophore such that a Boltzmann factor for the ratio of uphill to downhill pairwise rates exists was also addressed.

Author: Knox, Robert S., Laible, Philip D., Owens, Thomas G.
Publisher: American Chemical Society
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 1998
Analysis, Photosynthesis research, Molecular dynamics, Charge transfer, Absorption spectra, Fluorescence spectroscopy

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How long do regions of different dynamics persist in supercooled o-terphenyl?

Article Abstract:

A study on the essential origins of the characteristic non-exponential relaxation processes in supercooled liquids and amorphous polymers investigated the effect of temperatures on the lifetimes of heterogeneous dynamic domains in supercooled liquids. The experiment introduces a model for the photobleaching studies that were conducted to develop a more quantitative understanding of the photobleaching selectivity.

Author: Ediger, M.D., Wang, Chia-Ying
Publisher: American Chemical Society
Publication Name: Journal of Physical Chemistry B
Subject: Chemicals, plastics and rubber industries
ISSN: 1520-6106
Year: 1999
Polymers, Supercooled liquids, Bleaching, Amorphous substances, Amorphous materials, Relaxation phenomena, Relaxation (Physics)

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