Knowledge Management System Of Shanghai Institute of Applied Physics, CAS
| Laser Flash Photolysis Study on Electron Transfer Oxidation Reaction of Tryptophan or Tyrosine with Triplet State Vitamin K-3 | |
| Tang, RZ（唐睿智）; Li, HX（李海霞）; Liu, YC（刘艳成）; Zhang, P（张鹏）; Cao, XY（曹西艳）; Wang, WF（王文锋） | |
| 2012 | |
| Source Publication | ACTA PHYSICO-CHIMICA SINICA
 |
| ISSN | 1000-6818 |
| Volume | 28Issue:1 |
| Abstract | Laser flash photolysis was used to study the photosensitized oxidation mechanism of vitamin K-3, commonly known as 2-methyl-1,4-naphthoquinone (MQ), with tryptophan (TrpH) or tyrosine (TyrOH) in acetonitrile/water (1:1, V/V) solution. The triplet state of MQ reacted with TrpH or TyrOH by electron transfer with the formation of a MQ anion radical, which was directly observed in the transient absorption spectrum. The rate constants of the electron transfer reactions were determined to be 1.1 x 10(9) and 0.6 x 10(9) L.mol(-1).s(-1) for TrpH and TyrOH, respectively. The free energy changes (Delta G) of the reactions showed that the proposed electron transfer steps are thermodynamically feasible. |
| Language | 英语 |
| Funding Project | 应物所项目组 |
| WOS ID | WOS:000299721900030 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.sinap.ac.cn/handle/331007/13206 |
| Collection | 中科院上海应用物理研究所2011-2020年 |
| Recommended Citation GB/T 7714 | Tang, RZ,Li, HX,Liu, YC,et al. Laser Flash Photolysis Study on Electron Transfer Oxidation Reaction of Tryptophan or Tyrosine with Triplet State Vitamin K-3[J]. ACTA PHYSICO-CHIMICA SINICA,2012,28(1). |
| APA | Tang, RZ,Li, HX,Liu, YC,Zhang, P,Cao, XY,&Wang, WF.(2012).Laser Flash Photolysis Study on Electron Transfer Oxidation Reaction of Tryptophan or Tyrosine with Triplet State Vitamin K-3.ACTA PHYSICO-CHIMICA SINICA,28(1). |
| MLA | Tang, RZ,et al."Laser Flash Photolysis Study on Electron Transfer Oxidation Reaction of Tryptophan or Tyrosine with Triplet State Vitamin K-3".ACTA PHYSICO-CHIMICA SINICA 28.1(2012). |
| Files in This Item: | Download All | |||||
| File Name/Size | DocType | Version | Access | License | ||
| Laser Flash Photolys（513KB） | 开放获取 | CC BY-NC-SA | View Download | |||
Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.
Edit Comment