Characterization of transient species in laser photolysis of aromatic amino acids using acetone as photosensitizer
文献类型：期刊论文
| 作者 | Song, QH ; Xu, YP ; Yu, SQ ; Chen, CX ; Ma, XX ; Wang, WF（王文锋） ; Yao, SD（姚思德） ; Lin, NY（林念芸） |
| 刊名 | SCIENCE IN CHINA SERIES B-CHEMISTRY
 |
| 出版日期 | 1999 |
| 卷号 | 42期号:6页码:561 |
| ISSN号 | 1006-9291 |
| 英文摘要 | The photochemical processes of aromatic amino acids were investigated in aqueous solution using acetone as photosensitizer by KrF (248 nm) laser flash photolysis. Laser-induced transient species were characterized according to kinetic analysis and quenching experiments. The intermediates recorded were assigned to the excited triplet state of tryptophan, the radicals of tryptophan and tyrosine. The excited triplet state of tryptophan produced via a triplet-triplet excitation transfer and the radicals arising from electron transfer reaction has been identified. Neither electron transfer nor energy transfer between triplet acetone and phenylalanine can occur in photolysis of phenylalanine aqueous solution which contains acetone. Furthermore, triplet acetone-induced radical transformation: Trp/N* -Tyr-->Trp-Tyr/O* was observed directly in photolysis of dipeptide (Trp-Tyr) aqueous solution containing acetone, and the transformation resulting from intramolecular electron transfer was suggested. |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000084653800001 |
| 公开日期 | 2012-09-25 |
| 源URL | [http://ir.sinap.ac.cn/handle/331007/9899]  |
| 专题 | 上海应用物理研究所_中科院上海原子核所2003年前 |
| 推荐引用方式 GB/T 7714 | Song, QH,Xu, YP,Yu, SQ,et al. Characterization of transient species in laser photolysis of aromatic amino acids using acetone as photosensitizer[J]. SCIENCE IN CHINA SERIES B-CHEMISTRY,1999,42(6):561. |
| APA | Song, QH.,Xu, YP.,Yu, SQ.,Chen, CX.,Ma, XX.,...&Lin, NY.(1999).Characterization of transient species in laser photolysis of aromatic amino acids using acetone as photosensitizer.SCIENCE IN CHINA SERIES B-CHEMISTRY,42(6),561. |
| MLA | Song, QH,et al."Characterization of transient species in laser photolysis of aromatic amino acids using acetone as photosensitizer".SCIENCE IN CHINA SERIES B-CHEMISTRY 42.6(1999):561. |
入库方式： OAI收割
来源：上海应用物理研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。