The effect of nanometer size of porous anodic aluminum oxide on adsorption and fluorescence of tetrahydroxyflavanol

Nanoporous anodic aluminum oxide, which was obtained by two-step electrochemical anodization aluminum process, showed strong physical adsorption capability of tetrahydroxyflavanol (THOF). The fluorescence peak of THOF was also dependent on its environment because the surrounding electron field affec...

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Bibliographic Details
Published in:Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy Molecular and biomolecular spectroscopy, 2003-04, Vol.59 (6), p.1139-1144
Main Authors: Wang, Sui, Luo, Haiqing, Wang, Yongzhen, Gong, Guoquan
Format: Article
Language:English
Subjects:
Adsorption
Aluminum Oxide - pharmacology
Curcumin - chemistry
Flavonoids - chemistry
Fluorescence
Fluorescent Dyes - pharmacology
Models, Chemical
Porous anodic aluminum oxide
Rhodamines - chemistry
Spectrometry, Fluorescence - methods
Tetrahydroxyflavanol
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Summary:Nanoporous anodic aluminum oxide, which was obtained by two-step electrochemical anodization aluminum process, showed strong physical adsorption capability of tetrahydroxyflavanol (THOF). The fluorescence peak of THOF was also dependent on its environment because the surrounding electron field affected the molecule luminescence in nanoporous alumina. The effect of nanometer size on adsorption and fluorescence of THOF is observed. The mechanism is primarily discussed.
ISSN:1386-1425
DOI:10.1016/S1386-1425(02)00314-1