The Experts below are selected from a list of 234 Experts worldwide ranked by ideXlab platform
Anatoly N. Reshetilov - One of the best experts on this subject based on the ideXlab platform.
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bioelectrocatalytic oxidation of glucose by immobilized bacteria gluconobacter oxydans evaluation of water insoluble mediator efficiency
Electroanalysis, 2006Co-Authors: Elena Babkina, Ekaterina Chigrinova, V A Alferov, O N Ponamoreva, Anatoly N. ReshetilovAbstract:For the first time it has been shown possible to use strain G. oxydans sbsp. industrius VKM B-1280 in combination with water-insoluble mediators: ferrocene, 1,1′-dimethylferrocene, 2,5-dibromo-1,4-benzoquinone, and 2-methyl-1,4-benzoquinone in the process of electrocatalytic oxidation of glucose. Cell-mediator interaction has been studied using a carbon paste electrode that comprised a mediator and immobilized bacteria. Catalytic activity of the system “mediator – bacterial cell – substrate” was characterized by three quantities: the maximum reaction rate and the ratios of the Michaelis Constant to the Distribution Constant for the substrate and to that for the electron acceptor. It has been revealed that 2,5-dibromo-1,4-benzoquinone is the most efficient for high catalytic activity.
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Bioelectrocatalytic Oxidation of Glucose by Immobilized Bacteria Gluconobacter oxydans. Evaluation of Water‐Insoluble Mediator Efficiency
Electroanalysis, 2006Co-Authors: Elena Babkina, Ekaterina Chigrinova, V A Alferov, O N Ponamoreva, Anatoly N. ReshetilovAbstract:For the first time it has been shown possible to use strain G. oxydans sbsp. industrius VKM B-1280 in combination with water-insoluble mediators: ferrocene, 1,1′-dimethylferrocene, 2,5-dibromo-1,4-benzoquinone, and 2-methyl-1,4-benzoquinone in the process of electrocatalytic oxidation of glucose. Cell-mediator interaction has been studied using a carbon paste electrode that comprised a mediator and immobilized bacteria. Catalytic activity of the system “mediator – bacterial cell – substrate” was characterized by three quantities: the maximum reaction rate and the ratios of the Michaelis Constant to the Distribution Constant for the substrate and to that for the electron acceptor. It has been revealed that 2,5-dibromo-1,4-benzoquinone is the most efficient for high catalytic activity.
M Kamburova - One of the best experts on this subject based on the ideXlab platform.
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neotetrazolium chloride a new reagent for spectrophotometric determination of manganese
Talanta, 1998Co-Authors: M KamburovaAbstract:The interaction of Mn(VII) and the Neotetrazolium chloride has been examined. The ion-associate formed is extracted into 1,2di-chloroethane. The optimum conditions have been established. The molar absorptivity of the complex is (9.1+/-0.08)x10(5) l mol(-1) cm(-1). The sensitivity of the method is 6.04x1010(-5) mug cm(-2). It is possible to extract and determine manganese in the presence of large number of cations and anions. The characteristic values for the extraction and the aqueous phase equilibria were determined: extraction Constant K(ex)=3.21x10(9), Distribution Constant K(D)=33 and association Constant beta=9.72x10(7). The method is applicable to analysis of soils and steels.
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spectrophotometric determination of mercury in soils with triphenyltetrazolium chloride
Talanta, 1993Co-Authors: M KamburovaAbstract:Abstract The formation of the acidocomplex of mercury(II) with triphenyl-tetrazolium chloride is studied spectrophotometrically in water-organic media. The composition of the complex is established as TTC:Hg:I = 1:1:1. The molar absorptivity ϵ 255 = (6.45 ± 0.12) × 10 4 1 mole −1 . cm −1 is determined. The selectivity of the reaction is studied and the method for determination of mercury(II) 0.1–0.8 μg/ml is shown. Extraction investigations of the system discussed were carried out. The characteristic values for the extraction equilibrium and the equilibrium in the aqueous phase was determined: extraction Constant K ex = 3.16 × 10 4 , Distribution Constant K D = 20.67, and association Constant = 1.53 × 10 3 . 5 A rapid and sensitive extractive-photometric method for determination of mercury(II) in soil was developed. The determination was carried out without preliminary elimination of mercury.
Elena Babkina - One of the best experts on this subject based on the ideXlab platform.
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bioelectrocatalytic oxidation of glucose by immobilized bacteria gluconobacter oxydans evaluation of water insoluble mediator efficiency
Electroanalysis, 2006Co-Authors: Elena Babkina, Ekaterina Chigrinova, V A Alferov, O N Ponamoreva, Anatoly N. ReshetilovAbstract:For the first time it has been shown possible to use strain G. oxydans sbsp. industrius VKM B-1280 in combination with water-insoluble mediators: ferrocene, 1,1′-dimethylferrocene, 2,5-dibromo-1,4-benzoquinone, and 2-methyl-1,4-benzoquinone in the process of electrocatalytic oxidation of glucose. Cell-mediator interaction has been studied using a carbon paste electrode that comprised a mediator and immobilized bacteria. Catalytic activity of the system “mediator – bacterial cell – substrate” was characterized by three quantities: the maximum reaction rate and the ratios of the Michaelis Constant to the Distribution Constant for the substrate and to that for the electron acceptor. It has been revealed that 2,5-dibromo-1,4-benzoquinone is the most efficient for high catalytic activity.
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Bioelectrocatalytic Oxidation of Glucose by Immobilized Bacteria Gluconobacter oxydans. Evaluation of Water‐Insoluble Mediator Efficiency
Electroanalysis, 2006Co-Authors: Elena Babkina, Ekaterina Chigrinova, V A Alferov, O N Ponamoreva, Anatoly N. ReshetilovAbstract:For the first time it has been shown possible to use strain G. oxydans sbsp. industrius VKM B-1280 in combination with water-insoluble mediators: ferrocene, 1,1′-dimethylferrocene, 2,5-dibromo-1,4-benzoquinone, and 2-methyl-1,4-benzoquinone in the process of electrocatalytic oxidation of glucose. Cell-mediator interaction has been studied using a carbon paste electrode that comprised a mediator and immobilized bacteria. Catalytic activity of the system “mediator – bacterial cell – substrate” was characterized by three quantities: the maximum reaction rate and the ratios of the Michaelis Constant to the Distribution Constant for the substrate and to that for the electron acceptor. It has been revealed that 2,5-dibromo-1,4-benzoquinone is the most efficient for high catalytic activity.
Ekaterina Chigrinova - One of the best experts on this subject based on the ideXlab platform.
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bioelectrocatalytic oxidation of glucose by immobilized bacteria gluconobacter oxydans evaluation of water insoluble mediator efficiency
Electroanalysis, 2006Co-Authors: Elena Babkina, Ekaterina Chigrinova, V A Alferov, O N Ponamoreva, Anatoly N. ReshetilovAbstract:For the first time it has been shown possible to use strain G. oxydans sbsp. industrius VKM B-1280 in combination with water-insoluble mediators: ferrocene, 1,1′-dimethylferrocene, 2,5-dibromo-1,4-benzoquinone, and 2-methyl-1,4-benzoquinone in the process of electrocatalytic oxidation of glucose. Cell-mediator interaction has been studied using a carbon paste electrode that comprised a mediator and immobilized bacteria. Catalytic activity of the system “mediator – bacterial cell – substrate” was characterized by three quantities: the maximum reaction rate and the ratios of the Michaelis Constant to the Distribution Constant for the substrate and to that for the electron acceptor. It has been revealed that 2,5-dibromo-1,4-benzoquinone is the most efficient for high catalytic activity.
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Bioelectrocatalytic Oxidation of Glucose by Immobilized Bacteria Gluconobacter oxydans. Evaluation of Water‐Insoluble Mediator Efficiency
Electroanalysis, 2006Co-Authors: Elena Babkina, Ekaterina Chigrinova, V A Alferov, O N Ponamoreva, Anatoly N. ReshetilovAbstract:For the first time it has been shown possible to use strain G. oxydans sbsp. industrius VKM B-1280 in combination with water-insoluble mediators: ferrocene, 1,1′-dimethylferrocene, 2,5-dibromo-1,4-benzoquinone, and 2-methyl-1,4-benzoquinone in the process of electrocatalytic oxidation of glucose. Cell-mediator interaction has been studied using a carbon paste electrode that comprised a mediator and immobilized bacteria. Catalytic activity of the system “mediator – bacterial cell – substrate” was characterized by three quantities: the maximum reaction rate and the ratios of the Michaelis Constant to the Distribution Constant for the substrate and to that for the electron acceptor. It has been revealed that 2,5-dibromo-1,4-benzoquinone is the most efficient for high catalytic activity.
V A Alferov - One of the best experts on this subject based on the ideXlab platform.
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bioelectrocatalytic oxidation of glucose by immobilized bacteria gluconobacter oxydans evaluation of water insoluble mediator efficiency
Electroanalysis, 2006Co-Authors: Elena Babkina, Ekaterina Chigrinova, V A Alferov, O N Ponamoreva, Anatoly N. ReshetilovAbstract:For the first time it has been shown possible to use strain G. oxydans sbsp. industrius VKM B-1280 in combination with water-insoluble mediators: ferrocene, 1,1′-dimethylferrocene, 2,5-dibromo-1,4-benzoquinone, and 2-methyl-1,4-benzoquinone in the process of electrocatalytic oxidation of glucose. Cell-mediator interaction has been studied using a carbon paste electrode that comprised a mediator and immobilized bacteria. Catalytic activity of the system “mediator – bacterial cell – substrate” was characterized by three quantities: the maximum reaction rate and the ratios of the Michaelis Constant to the Distribution Constant for the substrate and to that for the electron acceptor. It has been revealed that 2,5-dibromo-1,4-benzoquinone is the most efficient for high catalytic activity.
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Bioelectrocatalytic Oxidation of Glucose by Immobilized Bacteria Gluconobacter oxydans. Evaluation of Water‐Insoluble Mediator Efficiency
Electroanalysis, 2006Co-Authors: Elena Babkina, Ekaterina Chigrinova, V A Alferov, O N Ponamoreva, Anatoly N. ReshetilovAbstract:For the first time it has been shown possible to use strain G. oxydans sbsp. industrius VKM B-1280 in combination with water-insoluble mediators: ferrocene, 1,1′-dimethylferrocene, 2,5-dibromo-1,4-benzoquinone, and 2-methyl-1,4-benzoquinone in the process of electrocatalytic oxidation of glucose. Cell-mediator interaction has been studied using a carbon paste electrode that comprised a mediator and immobilized bacteria. Catalytic activity of the system “mediator – bacterial cell – substrate” was characterized by three quantities: the maximum reaction rate and the ratios of the Michaelis Constant to the Distribution Constant for the substrate and to that for the electron acceptor. It has been revealed that 2,5-dibromo-1,4-benzoquinone is the most efficient for high catalytic activity.