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Search term: energy production

Results 1 - 38 of 38
EC Number
Application
Commentary
soluble quinoprotein glucose dehydrogenase
energy production
a (PQQ)-GDH electrode is used as an anode to convert the chemical energy of D-glucose into electrical energy by oxidation of the substrate
glutamate dehydrogenase
energy production
a bio-anode using L-glutamate as the fuel is constructed. To oxidize L-glutamate at the anode, glutamate dehydrogenase, derived from Pyrobaculum islandicum, and proline dehydrogenase derived from Pyrococcus horikoshii, are immobilized for a two-enzyme conjugate enzymatic and redox reaction. To achieve an efficient enzyme reaction and electron transfer, the immobilization ratio of proline dehydrogenase to glutamate dehydrogenase is controlled by varying the molar ratios of dithiobis succinimidyl undecanoate and nitrilotriacetic acid dihydrochloride
D-proline dehydrogenase
energy production
a bio-anode using L-glutamate as the fuel is constructed. To oxidize L-glutamate at the anode, glutamate dehydrogenase, derived from Pyrobaculum islandicum, and proline dehydrogenase derived from Pyrococcus horikoshii, are immobilized for a two-enzyme conjugate enzymatic and redox reaction. To achieve an efficient enzyme reaction and electron transfer, the immobilization ratio of proline dehydrogenase to glutamate dehydrogenase is controlled by varying the molar ratios of dithiobis succinimidyl undecanoate and nitrilotriacetic acid dihydrochloride
hydrogen dehydrogenase (NADP+)
energy production
application in biofuel cells, to generate an electric current
xylose isomerase
energy production
bioethanol
laccase
energy production
combination oflaccase and catalase in construction of H2O2-O2 based biocathode for applications in glucose biofuel cells. The deposited enzymes laccase and catalase by means of alternating current electrophoretic deposition (AC-EPD) do not inhibit each other and carry out about 90% of the catalytic reduction process of O2-H2O2
catalase
energy production
combination oflaccase and catalase in construction of H2O2-O2 based biocathode for applications in glucose biofuel cells. The deposited enzymes laccase and catalase by means of alternating current electrophoretic deposition (AC-EPD) do not inhibit each other and carry out about 90% of the catalytic reduction process of O2-H2O2
glucose oxidase
energy production
design of a bioanode that directly utilizes starch as a fuel in an enzymatic biofuel cell. The enzymatic fuel cell is based on three enzymes (alpha-amylase, glucoamylase and glucose oxidase). The carbon paste electrode containing these three enzymes and tetrathiafulvalene can both saccharize and oxidize starchy biomass. In cyclic voltammetry, catalytic currents are successfully observed with both glucose and starchy white rice used as a substrate. A membraneless white rice/O2 biofuel cell is assembled and the electrochemical performance is evaluated. The three enzyme based electrode is used as a bioanode and an immobilized bilirubin oxidase (derived from Myrothecium verrucaria) electrode is used as a biocathode. The biofuel cell deliveres an open circuit voltage of 0.522 V and power density of up to 0.099 mW/cm
alpha-amylase
energy production
design of a bioanode that directly utilizes starch as a fuel in an enzymatic biofuel cell. The enzymatic fuel cell is based on three enzymes (alpha-amylase, glucoamylase and glucose oxidase). The carbon paste electrode containing these three enzymes and tetrathiafulvalene can both saccharize and oxidize starchy biomass. In cyclic voltammetry, catalytic currents are successfully observed with both glucose and starchy white rice used as a substrate. A membraneless white rice/O2 biofuel cell is assembled and the electrochemical performance is evaluated. The three enzyme based electrode is used as a bioanode and an immobilized bilirubin oxidase (derived from Myrothecium verrucaria) electrode is used as a biocathode. The biofuel cell deliveres an open circuit voltage of 0.522 V and power density of up to 0.099 mW/cm
bilirubin oxidase
energy production
design of a bioanode that directly utilizes starch as a fuel in an enzymatic biofuel cell. The enzymatic fuel cell is based on three enzymes (alpha-amylase, glucoamylase and glucose oxidase). The carbon paste electrode containing these three enzymes and tetrathiafulvalene can both saccharize and oxidize starchy biomass. In cyclic voltammetry, catalytic currents are successfully observed with both glucose and starchy white rice used as a substrate. A membraneless white rice/O2 biofuel cell is assembled and the electrochemical performance is evaluated. The three enzyme based electrode is used as a bioanode and an immobilized bilirubin oxidase (derived from Myrothecium verrucaria) electrode is used as a biocathode. The biofuel cell delivers an open circuit voltage of 0.522 V and power density of up to 0.099 mW/cm
glucan 1,4-alpha-glucosidase
energy production
design of a bioanode that directly utilizes starch as a fuel in an enzymatic biofuel cell. The enzymatic fuel cell is based on three enzymes (alpha-amylase, glucoamylase and glucose oxidase). The carbon paste electrode containing these three enzymes and tetrathiafulvalene can both saccharize and oxidize starchy biomass. In cyclic voltammetry, catalytic currents are successfully observed with both glucose and starchy white rice used as a substrate. A membraneless white rice/O2 biofuel cell is assembled and the electrochemical performance is evaluated. The three-enzyme-based electrode is used as a bioanode and an immobilized bilirubin oxidase (derived from Myrothecium verrucaria) electrode is used as a biocathode. The biofuel cell deliveres an open circuit voltage of 0.522 V and power density of up to 0.099 mW/cm
sulfhydrogenase
energy production
development of economically feasible production system for hydrogen as an alternative energy source of the future. The not-mediated Pyrococcus furiosus sulfhydrogenase/TiO2 system represents a first optimization step towards the development of an economically feasible in vitro hydrogen production process which should be driven by solar light and should utilize waste compounds as source of electrons
xylose isomerase
energy production
engineering of Saccharomyces cerevisiae for alcoholic fermentation of D-xylose
xylose isomerase
energy production
engineering Saccharomyces cerevisiae for alcoholic fermentation of D-xylose
pyranose oxidase
energy production
enzyme P2O has the potential to be useful for biofuel cell applications
glucose oxidase
energy production
enzyme precipitates coatings of glucose oxidase onto carbon paper for biofuel cell applications. The direct immobilization of enzyme precipitation coatings on hierarchical-structured electrodes with a large surface area can further improve the power density of enzymatic biofuel cells and can make their applications more feasible
glucan 1,4-beta-glucosidase
energy production
ethanol production from concentrated agricultural waste corncob
xylose isomerase
energy production
genetic engineering of Saccharomyces cerevisiae in order to increase ethanol production by fermentation of D-xylose
xylose isomerase
energy production
genetic engineering of the yeast Hansenula polymorpha in order to increase ethanol production by D-xylose fermentation
xylose isomerase
energy production
genetic engineering of Zymobacter palmae in order to produce ethanol from xylose fermentation
glucose oxidase
energy production
glucose oxidase/cellulose-carbon nanotube composite paper as a biocompatible bioelectrode for biofuel cells. Glucose oxidase, which is a redox enzyme capable of oxidizing glucose as a renewable fuel using oxygen, is immobilized on the CL-CNT composite paper. Cyclic voltammograms reveal that the GOx/CL-CNT paper electrode shows a pair of well-defined peaks, which agreed well with that of FAD/FADH2, the redox center of glucose oxidase. These results clearly show that the direct electron transfer between the glucose oxidase and the composite electrode is achieved. It is found that the glucose oxidase immobilized on the composite electrode retains catalytic activity for the oxidation of glucose
laccase
energy production
molecular design of laccase cathode for direct electron transfer in a biofuel cell. Functionalized graphite electrodes with a substrate-like molecule, that can interact as ligand with the redox site of the protein, are able to orientate the coupling of laccase molecule with the electrode surface through the T1 site. This molecular orientation enhances the direct electron transfer between the T1 site and the graphite electrode surface. The molecular design of enzymatic electrodes seems to be a powerful tool for the optimization of enzyme-based fuel cells
glucose oxidase
energy production
mutant glucose oxidase (B11-GOx) is obtained from directed protein evolution and wild-type enzyme. Higher glucose oxidation currents are obtained from B11-GOx both in solution and polymer electrodes compared to wild type enzyme. Improved electrocatalytic activity towards electrochemical oxidation of glucose from the mutant enzyme. The enzyme electrode with the mutant enzyme B11-GOx shows a faster electron transfer indicating a better electronic interaction with the polymer mediator. Promising application of enzymes developed by directed evolution tailored for the applications of biosensors and biofuel cells
alcohol dehydrogenase
energy production
preparation of a bioanode for use in ethanol oxidation. The bioanode is obtained via immobilization of dehydrogenase enzymes (alcohol dehydrogenase or aldehyde dehydrogenase) with polyamidoamine dendrimers onto carbon paper platforms, using the layer-by-layer technique. The prepared bioanode proves to be capable of producing good power density values
aldehyde dehydrogenase [NAD(P)+]
energy production
preparation of a bioanode for use in ethanol oxidation. The bioanode is obtained via immobilization of dehydrogenase enzymes (alcohol dehydrogenase or aldehyde dehydrogenase) with polyamidoamine dendrimers onto carbon paper platforms, using the layer-by-layer technique. The prepared bioanode proves to be capable of producing good power density values
methane monooxygenase (soluble)
energy production
teh enzyme can be used as biocatalysts for industrial activation of methane at relatively low temperatures required for breaking the highly stable C-H bond(s)
methane monooxygenase (particulate)
energy production
teh enzyme can be used as biocatalysts for industrial activation of methane at relatively low temperatures required for breaking the highly stable C-H bond(s)
bilirubin oxidase
energy production
the BOD from Bacillus pumilus is an attractive candidate for application in biofuel cells and biosensors showing high activity at neutral pH and high tolerance towards NaCl
(R)-citramalate synthase
energy production
the citratmalate pathway is enhanced for the production of 1-propanol and 1-butanol
glycerol-3-phosphate 1-O-acyltransferase
energy production
the developed glycerol-3-phosphate acyltransferase model structure together with insights gained in the catalytic mechanism of the protein can serve as a valuable reference for biotechnological studies to optimize microalgal strains for enhanced biofuel production
UDP-sulfoquinovose synthase
energy production
the enzyme is useful in biodesulfurization, in which microorganisms selectively remove sulfur atoms from organosulfur compounds, a viable technology to complement the traditional hydrodesulfurization of fuels
2'-hydroxybiphenyl-2-sulfinate desulfinase
energy production
the enzyme is useful in biodesulfurization, in which microorganisms selectively remove sulfur atoms from organosulfur compounds, a viable technology to complement the traditional hydrodesulfurization of fuels
galactose oxidase
energy production
the enzyme is useful in fuel cells and the usage of biofuel cell with glucose
glucan 1,4-alpha-glucosidase
energy production
the enzyme is useful in fuel ethanol production, enzyme properties and performance, overview
nitrogenase
energy production
the reaction produces H2 as a by-product and is interesting for production of clean energy
betaine-aldehyde dehydrogenase
energy production
the seed of the plant is the raw material for biodiesels
phospholipid:diacylglycerol acyltransferase
energy production
the strong lipase activity of PDAT with broad substrate specificity might be a potential biocatalyst for industrial lipid hydrolysis and conversion, particularly for biofuel production
glucose oxidase
energy production
triphenylmethane dyes are an alternative for mediated electronic transfer systems in glucose oxidase biofuel cells
Results 1 - 38 of 38