Journal
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
Volume 135, Issue 1, Pages 33-39Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/S1010-6030(00)00272-0
Keywords
deoxyanthocyanidin; memory molecular devices; flash photolysis; photochromism
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In this work, the photochemistry of luteolinidin, a natural deoxyanthocyanidin, found essentially in mosses and ferns is described. In moderately acidic methanol/water (3:1) solutions the dominant species of luteolinidin is the photoactive hans-chalcone. The system was characterised by steady state irradiation and pulse light excitation experiments as well as by pH jumps. The use of this compound to carry out cycles able to write-lock-read-unlock-erase, is discussed. (C) 2000 Elsevier Science S.A. All rights reserved.
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