Interaction between Chlorophyll a and Fatty Alcohol Molecules in Mixed Monomolecular Films

Autor:	G. L. Gaines, W. D. Bellamy, A. G. Tweet
Rok vydání:	1964
Předmět:	chemistry.chemical_compound Chlorophyll a chemistry Absorption spectroscopy Chlorophyll General Physics and Astronomy Fatty alcohol Physical and Theoretical Chemistry Oleyl alcohol Absorption (chemistry) Photochemistry Mole fraction Stearyl alcohol
Zdroj:	The Journal of Chemical Physics. 41:538-542
ISSN:	1089-7690 0021-9606
DOI:	10.1063/1.1725904
Popis:	Chlorophyll a and oleyl alcohol form nearly ideal two‐dimensional solutions, up to chlorophyll mole fraction of at least 0.2. Chlorophyll is essentially insoluble, however, in stearyl alcohol monolayers at room temperature. Measurements of collapse pressure, area, absorption spectrum, and fluorescence spectrum of the monolayers confirm these conclusions. The fluorescence and absorption spectra of concentrated and diluted (in oleyl alcohol) chlorophyll films are compared. Measurable shifts in both absorption and emission demonstrate that chromophore—chromophore interactions are detectable in monolayers containing high chlorophyll concentrations.
Databáze:	OpenAIRE
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