Kinetics and mechanism of anation of (α, β)S-(hydroxo) (tetraethylenepentamine)cobalt (III) by sulphite in basic medium, the role of anionic micelles

1995 ◽  
Vol 107 (5) ◽  
pp. 533-540
Author(s):  
A C Dash ◽  
A N Acharya ◽  
A K Patanaik
Keyword(s):  
Kinetics And Mechanism ◽  
Basic Medium ◽  
Anionic Micelles

Insight into the role of varied acid-base sites on fast pyrolysis kinetics and mechanism of cellulose

2021 ◽  
Vol 135 ◽  
pp. 140-149
Author(s):  
Chengyu Li ◽  
Jun Zhang ◽  
Jing Gu ◽  
Haoran Yuan ◽  
Yong Chen
Keyword(s):  
Fast Pyrolysis ◽  
Kinetics And Mechanism ◽  
Pyrolysis Kinetics ◽  
Acid Base ◽  
Insight Into

scholarly journals Kinetics and Mechanism of Hydrolysis of Acetylthiocholine by Butyrylcholine Esterase

2002 ◽  
Vol 57 (11-12) ◽  
pp. 1072-1077 ◽  
Author(s):  
Karel Komers ◽  
Alexandr Čegan ◽  
Marek Link
Keyword(s):  
Acetic Acid ◽  
Kinetics And Mechanism ◽  
Kinetics Parameters ◽  
Mechanism Of Hydrolysis ◽  
Ph Stat ◽  
Stat Method ◽  
Ellman’S Method ◽  
Hydrolysis Of

Kinetics and mechanism of hydrolysis of acetylthiocholine by the enzyme butyrylcholine esterase was studied. The spectrophotometric Ellman’s method and potentiometric pH-stat method were used for continuous determination of the actual concentration of the products thiocholine and acetic acid in the reaction mixture. The validity of the Michaelis-Menten (Briggs-Haldane) equation in the whole course of the reaction under used conditions was proved. The corresponding kinetics parameters (Vm and KM) were calculated from the obtained dependences of concentration of thiocholine or acetic acid vs. time and compared. From this comparison the deciding kinetic role of the step producing thiocholine was derived. The values of initial molar concentration of the enzyme and of the rate constants of the kinetic model were estimated.

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