Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Karel Komers"'
Publikováno v:
Zeitschrift für Naturforschung C. 73:345-351
The dependence of the activity of acetylcholinesterase from electric eel at a pH value range of 4.8–9.8 (phosphate buffer), regarding acetylcholine and acetylthiocholine hydrolysis, was determined at 25 °C, ionic strength of 0.11 M, and initial su
Publikováno v:
Zeitschrift für Naturforschung C. 68:133-138
A new and simple analytical method is described for the determination of the IC50 values of the inhibitors of the hydrolysis of acetylcholine (ACh) or acetylthiocholine (ATCh) by cholinesterases. The method is based on monitoring the time course of t
Publikováno v:
Bioresource Technology. 101:3772-3775
The continuous methanolysis of rapeseed oil catalyzed by KOH in a cascade of 4 flow stirred reactors at a steady state of 60 °C was studied. By comparing of the determined steady state concentrations of rapeseed oil, biodiesel and KOH in the reactor
Publikováno v:
Reaction Kinetics and Catalysis Letters. 95:205-211
Mechanism and kinetics of in vitro hydrolysis of acetyl-β-methylcholine by acetylcholinesterase from electric eel in a mixed batch reactor at 25 and 37°C, pH 8, ionic strength 0.11 M and catalytic activity of the enzyme preparat of 3.5 U mL−1 wer
Autor:
Sarka Stepankova, Karel Komers
Publikováno v:
Current Enzyme Inhibition. 4:160-171
Publikováno v:
Collection of Czechoslovak Chemical Communications. 72:1269-1283
Biotransformation of glycerol to 1,3-dihydroxyacetone was carried out in an isothermal isochoric batch reactor with Gluconobacter oxydans immobilized in poly(vinyl alcohol) gel capsules. The reaction course was described with a three-step kinetic mod
Autor:
Alexander Cegan, Pavla Zdrazilova, Karel Komers, Martina Vránová, Sárka Stĕpánková, Alena Komersová
Publikováno v:
Zeitschrift für Naturforschung C. 61:611-617
Kinetics of hydrolysis of acetylcholine and acetylthiocholine by two types of acetylcholinesterase and butyrylcholinesterase inhibited by 13 new inhibitors (5 carbamates and 8 carbazates - hydrazinium derivatives) was measured in vitro in a batch rea
Autor:
Alena Komersová, Karel Komers, Pavla Zdražilová, Alexander Čeganb, Martina Vránová, Šárka Štěpánková
Publikováno v:
Zeitschrift für Naturforschung C. 60:943-946
Hydroxylamine and HPLC methods, measuring in vitro kinetics of enzymatic hydrolysis of acetylcholine or acetylthiocholine by cholinesterases, are described. The hydroxylamine method determines the dependence of substrate concentration vs. time, the H
Publikováno v:
European Journal of Lipid Science and Technology. 104:728-737
The reaction of rapeseed oil with methanol catalyzed by KOH is described by a model consisting of two sequences of consecutive competitive reactions. The first sequence expresses the methanolysis of rapeseed oil to methyl esters (biodiesel) whereas t
Biodiesel from rapeseed oil, methanol and KOH. 3. Analysis of composition of actual reaction mixture
Publikováno v:
European Journal of Lipid Science and Technology. 103:363-371
Detailed analysis is described of the samples taken after suitable reaction times from the actual reaction mixture during the production of biodiesel fuel using methanolysis of rapeseed oil catalyzed by KOH. Three methods for stoppage of reaction (ne