Complete oxidation of egg albumin on photoirradiated TiO2: factors determining catalytic performance in solid–solid heterogeneous systems
作者： Akito Kawanami , Hisahiro Einaga , Yasutake Teraoka
DOI: 10.1007/S11164-011-0295-X
关键词: Photochemistry 、 Decomposition 、 Albumin 、 Alkyl 、 Side chain 、 Peptide bond 、 Kinetics 、 Chemistry 、 Catalysis 、 Fourier transform infrared spectroscopy
摘要: Solid–solid heterogeneous photooxidation of egg albumin with TiO2 was carried out under near UV-light irradiation (λ > 370 nm) and the oxidation behavior investigated. Egg photooxidized to form CO2 without evolution CO organic byproducts. The activity for TiO2-catalyzed strongly depended on mixing conditions, indicating that contact conditions between were important complete albumin. In-situ diffuse reflectance FTIR studies revealed peptide bond decomposed alkyl side chains decomposition followed pseudo first-order kinetics.
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