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J Photochem Photobiol B. 1990 Sep;7(1):1-14.

New trends in photobiology (invited review). Recent advances in bilirubin photophysics.

Author information

1
Istituto di Elettronica Quantistica-CNR, Firenze, Italy.

Abstract

The high photosensibility of bilirubin represents the main reason why neonatal jaundice is treated with light. The relaxation processes of excited bilirubin appear to be governed by complex mechanisms which are not fully known. At room temperature, radiationless channels, such as Z----E configurational photoisomerizations and internal conversions, contribute mostly to the deactivation of singlet excited bilirubin. Exciton coupling processes between the two pyrromethenone chromophores constituting the molecule may play a crucial role in bilirubin photophysics.

PMID:
2125072
[Indexed for MEDLINE]

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