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作品数:8被引量:10H指数:2
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Photogeneration of the free radicals and singlet oxygen by chrysophanol from rheum被引量:3
《Science China Chemistry》2004年第5期381-387,共7页RAO Jing1,2, XIE Jie1, ZHAO Jingquan1 & ZHU Teng2 1. Key Laboratory of Photochemistry, Center for Molecular Science, Institute of Chemistry, The Chinese Academy of Sciences, Beijing 100080, China 2. University of Science and Technology Beijing, Beijing 10083, China 
This work was supported by the National Natural Science Foundation of China(Grant No.20273079).
In the current work, chryosphanol (MHAQ) was isolated and purified from rheum, and the photosensitization activities were studied. In nitrogen-saturated DMSO solution, irradia- tion of chryosphanol (MHAQ) with visible...
关键词:chrysophanol  ESR  SEMIQUINONE RADICAL anions  superoxide RADICAL anions  hydroxyl radical  singlet oxygen. 
Interaction between hypocrellin and aliphatic amines被引量:1
《Science China Chemistry》1996年第6期568-576,共9页张曼华 陈申 夏万林 蒋丽金 陈德文 
Project supported by the National Natural Science Foundation of China
The interaction of hypocrellin, including hypocrellin A (HA) and hypocrellin B (HB), with aliphatic amines in deaerated solutions has been studied by ESR and nanosecond transient absorption spectra. In polar solvents,...
关键词:HYPOCRELLIN (HA and HB) SEMIQUINONE radical ANION ALIPHATIC AMINES ESR nanosecond TIME-RESOLVED transient absorption. 
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