scholarly journals Thiyl free radicals and the oxidation of ferrocytochrome c Direct observation of coupled hydrogen-atom- and electron-transfer reactions

1986 ◽  
Vol 240 (3) ◽  
pp. 905-907 ◽  
Author(s):  
L G Forni ◽  
R L Willson
Keyword(s):  
Electron Transfer ◽  
Free Radicals ◽  
Hydrogen Atom ◽  
Pulse Radiolysis ◽  
Transfer Reactions ◽  
Absolute Rate ◽  
Electron Transfer Process ◽  
Electron Transfer Reactions ◽  
Thiyl Radicals ◽  
Ferrocytochrome C

Absolute rate constants for the reaction of ferrocytochrome c with the thiyl radicals derived from cysteine, GSH, penicillamine and N-(2-mercaptopropionyl)glycine were measured by using the technique of pulse radiolysis. The reaction is believed to occur through a one-electron-transfer process, in agreement with the hypothesis that thiols may act as catalysts linking hydrogen-atom- and electron-transfer reactions.

scholarly journals Thiyl and phenoxyl free radicals and NADH Direct observation of one-electron oxidation

1986 ◽  
Vol 240 (3) ◽  
pp. 897-903 ◽  
Author(s):  
L G Forni ◽  
R L Willson
Keyword(s):  
Electron Transfer ◽  
Free Radicals ◽  
Hydrogen Atom ◽  
Pulse Radiolysis ◽  
Biological Significance ◽  
Transfer Reactions ◽  
Absolute Rate ◽  
Transfer Processes ◽  
Biochemical Systems ◽  
Electron Transfer Processes

Absolute rate constants for the reaction of NADH with thiyl free radicals derived from various sulphur-containing compounds of biological significance were measured by using the technique of pulse radiolysis. These and related reactions with phenoxyl free radicals are believed to occur through one-electron-transfer processes. Further evidence comes from studies with deuterated NADH. The results support the possibility that, in biochemical systems, thiols may act as catalysts linking hydrogen-atom and electron-transfer reactions.

2-Hydroxyphenyl-1,3-dimethylbenzimidazolines. Formal Two Hydrogen Atom-donors for Photoinduced Electron Transfer Reactions

2004 ◽  
Vol 33 (1) ◽  
pp. 18-19 ◽  
Author(s):  
Eietsu Hasegawa ◽  
Naoki Chiba ◽  
Tomoya Takahashi ◽  
Shinya Takizawa ◽  
Takashi Kitayama ◽  
...  
Keyword(s):  
Electron Transfer ◽  
Hydrogen Atom ◽  
Photoinduced Electron Transfer ◽  
Transfer Reactions ◽  
Electron Transfer Reactions
Sign in / Sign up

Export Citation Format

Share Document