Search Results - "Komers, Karel"

Kinetics and mechanism of the KOH - catalyzed methanolysis of rapeseed oil for biodiesel production by Komers, Karel, Skopal, František, Stloukal, Radek, Machek, Jaroslav

“…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…”
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Biodiesel from rapeseed oil, methanol and KOH. 3. Analysis of composition of actual reaction mixture by Komers, Karel, Stloukal, Radek, Machek, Jaroslav, Skopal, František

“…Detailed analysis is described of the samples taken after suitable reaction times from the actual reaction mixture during the production of biodiesel fuel…”
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Biodiesel from rapeseed oil, methanol and KOH. 2. Composition of solution of KOH in methanol as reaction partner of oil by Komers, Karel, Machek, Jaroslav, Stloukal, Radek

“…The composition of the solutions of solid KOH in methanol has been measured by means of determinating the content of water in the equilibrium mixture. The…”
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Why is the hydrolytic activity of acetylcholinesterase pH dependent? Kinetic study of acetylcholine and acetylthiocholine hydrolysis catalyzed by acetylcholinesterase from electric eel by Komersová, Alena, Kovářová, Markéta, Komers, Karel, Lochař, Václav, Čegan, Alexander

“…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…”
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Continuous biodiesel production in a cascade of flow ideally stirred reactors by Komers, Karel, Skopal, František, Čegan, Alexander

“…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…”
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New Findings about Ellman’s Method to Determine Cholinesterase Activity by Komersová, Alena, Komers, Karel, Čegan, Alexandr

“…The original Ellman’s spectrophotometrical method for cholinesterase activity determination uses 5,5′-dithiobis-2-nitrobenzoic acid (DTNB, Ellman’s reagent) as…”
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New Method for the Determination of the Half Inhibition Concentration (IC50) of Cholinesterase Inhibitors by Kovarova, Marketa, Komers, Karel, Stepánkova, Sárka, Parík, Patrik, Cegan, Alexander

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Inhibition of acetylcholinesterase by 14 achiral and five chiral imidazole derivates by Kovářová, Markéta, Komers, Karel, Štěpánková, Šárka, Čegan, Alexander

“…Homological series of 14 achiral derivates and series of five chiral derivates of imidazole were tested in vitro as inhibitors of hydrolysis of acetylcholine…”
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New Method for the Determination of the Half Inhibition Concentration (IC50) of Cholinesterase Inhibitors by Kovářováa, Markéta, Komersa, Karel, Štěpánková, Šárka, Pařík, Patrik, Čegan, Alexander

“…A new and simple analytical method is described for the determination of the IC values of the inhibitors of the hydrolysis of acetylcholine (ACh) or…”
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Half-inhibition Concentrations of New Cholinesterase Inhibitors by Zdražilová, Pavla, Štĕpánková, Šárka, Komers, Karel, Ventura, Karel, Čegan, Alexander

“…The power of chosen carbamates and hydrazinium derivatives (carbazates) to inhibit the hydrolysis of acetylthiocholine by butyrylcholinesterase or…”
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In vitro Inhibition of Cholinesterases by Carbamates - A Kinetic Study by Komersová, Alena, Masopustová, Markéta, Komers, Karel, Štěpánková, Šárka, Čegan, Alexandr

“…Kinetics and mechanism of in vitro hydrolyses of acetylcholine and acetylthiocholine by carbamates were studied in a batch reactor at 25 °C, pH 8, and ionic…”
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Kinetics of Glycerol Biotransformation to Dihydroxyacetone by Immobilized Gluconobacter oxydans and Effect of Reaction Conditions by Raška, Jiří, Skopal, František, Komers, Karel, Machek, Jaroslav

“…Biotransformation of glycerol to 1,3-dihydroxyacetone was carried out in an isothermal isochoric batch reactor with Gluconobacter oxydans immobilized in…”
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Kinetics of Total Enzymatic Hydrolysis of Acetylcholine and Acetylthiocholine by Zdražilová, Pavla, Štěpánkova, Šárka, Vránova, Martina, Komers, Karel, Komersová, Alena, Čegan, Alexander

“…Kinetics and the mechanism of total in vitro hydrolyses (i.e. up to the exhaustion of substrate) of acetylcholine and acetylthiocholine by acetylcholinesterase…”
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Kinetics of 13 New Cholinesterase Inhibitors by Zdražilová, Pavla, Štĕpánková, Šárka, Komersová, Alena, Vránová, Martina, Komers, Karel, Čegan, Alexander

“…Kinetics of hydrolysis of acetylcholine and acetylthiocholine by two types of acetylcholinesterase and butyrylcholinesterase inhibited by 13 new inhibitors (5…”
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Inhibition of Cholinesterase by Dialkylcarbamates by Štĕpánková, Šárka, Komers, Karel, Komersová, Alena, Masopustová, Markéta, Čegan, Alexander

“…The pI index and separation coefficients of chosen 3-N,N-diethylaminophenyl-N′,N′-dialkylcarbamates were determined. Index pI (pI = negative logarithm of molar…”
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Two New Methods Monitoring Kinetics of Hydrolysis of Acetylcholine and Acetylthiocholine by Štěpánková, Šárka, Vránová, Martina, Zdražilová, Pavla, Komers, Karel, Komersová, Alena, Čeganb, Alexander

“…Hydroxylamine and HPLC methods, measuring in vitro kinetics of enzymatic hydrolysis of acetylcholine or acetylthiocholine by cholinesterases, are described…”
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Inhibition of Enzymatic Reactions. A Rapid Method to Determine the Index pI 50 by Kulhavý, David, Čegan, Alexander, Komers, Karel, Mindl, Jaromír

“…The activity of every substance I inhibiting an enzymatic reaction can be approximately evaluated by the index pI 50 . This paper describes a simple and fast…”
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Kinetics and Mechanism of Hydrolysis of Acetylthiocholine by Butyrylcholine Esterase by Komers, Karel, Čegan, Alexandr, Link, Marek

“…Kinetics and mechanism of hydrolysis of acetylthiocholine by the enzyme butyrylcholine esterase was studied. The spectrophotometric Ellman’s method and…”
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Inhibition of Enzymatic Reactions. A Rapid Method to Determine the Index pI50 by Kulhavý, David, Čegan, Alexander, Komers, Karel, Mindl, Jaromír

“…The activity of every substance I inhibiting an enzymatic reaction can be approximately evaluated by the index pI . This paper describes a simple and fast…”
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Transesterification of rapeseed oil in a feedback reactor by Dvořák, Radim, Skopal, František, Komers, Karel

“…The methanolysis of rapeseed oil catalyzed by potassium hydroxide was studied in a feedback reactor with spectrophotometric indication. Through a comparator…”
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