Micelle effects on multistate/multifunctional systems based on photochromic flavylium compounds. The case of luteolinidin

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14 Citations (Scopus)

Abstract

The effect of the charged sodium dodecyl sulphate, cetyltrimethylammonium bromide and neutral N-benzyltrimethylammonium hydroxide (Triton X-100) on the thermal and light induced chemistry of luteolinidin, a natural deoxyanthocyanidin found essentially in mosses and ferns, is described. The system was characterized by pH jump and flash photolysis techniques. While the kinetics and thermodynamics of the cis-trans isomerization are only slightly affected, the hydration and proton transfer reactions are significantly changed by the presence of the charged surface of the micelles. On this basis the micelles can be considered as a third input, beside the pH variations and light pulses, capable of tuning some responses of this multistate/multifunctional system.

Original languageEnglish
Pages (from-to)245-253
Number of pages9
JournalJournal Of Molecular Structure
Volume612
Issue number2-3
DOIs
Publication statusPublished - 17 Jul 2002

Keywords

  • Flavylium compounds
  • Luteolinidin
  • Micelle effects

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