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The present paper reports photocatalytic degradation of bovine serum albumin (BSA) by TiO2 under near UV(365 nm) irradiation. Ultraviolet-Visible spectrometry, FTIR spectrometry and HPLC were used to study the degradation and characterize the final degradation products. It was found that under near UV irradiation, BSA (0.1 g (.) L-1) can be totally degraded to small fragments by TiO2 in 5 h. Total mineralization of BSA (93.5%) is reached after reacting for 40 h. C, N and S in BSA are mineralized to give CO, NO3- and SO42-. It is suggested that the degradation of BSA happens in two steps: first to small fragments, then further mineralized to small inorganic molecule. The absence of UV irradiation or TiO2 can only lead to partial degradation of BSA (30%) in 5 h and no CO2 is observed even in longer reaction time.
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SPECTROSCOPY AND SPECTRAL ANALYSIS
ISSN： 1000-0593
CN： 11-2200/O4
Year： 2005
Issue： 8
Volume： 25
Page： 1309-1311
0 . 5 5 7
JCR@2005
0 . 7 0 0
JCR@2023
ESI Discipline： CHEMISTRY;
JCR Journal Grade：4
Cited Count：
WoS CC Cited Count： 6
SCOPUS Cited Count：
ESI Highly Cited Papers on the List： 0 Unfold All
WanFang Cited Count：
Chinese Cited Count：
30 Days PV： 0
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