[PDF] Top 20 An amperometric glucose biosensor based on a MnO2/graphene composite modified electrode

An amperometric glucose biosensor based on a MnO2/graphene composite modified electrode

... The composite was used for the decoration of GCE and GOD was ...The biosensor fabricated by the composite modied electrode showed excellent response to the oxidation of glucose, and it ... See full document

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Direct Electrochemistry of Glucose Oxidase on a Graphene- Graphene Oxide Nanocomposite-Modified Electrode for a Glucose Biosensor

... the biosensor has a high ...developed biosensor in clinical analysis, the GOD/GR-GO/GCE was utilized to detect glucose in human serum and human urine ...samples. Based on this study, the ... See full document

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Amperometric Detection of Hydroquinone at Modified Ionic Liquid Graphene Composite Paste Electrode

... Based on theoretical calculations made by Osteryoung, the voltammogram characteristics is linearly dependent on some parameter used. The frequency is linearly decreased from 20 to 180 Hz. As the frequency ... See full document

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A Novel Glucose Biosensor at Glucose Oxidase Immobilized Graphene and Bismuth Nanocomposite Film Modified Electrode

... several graphene based metal nanocomposites have been reported for the biosensor ...However, graphene-Bi nanocomposite has never been used for glucose biosensor ...and ... See full document

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Direct Electrochemistry of Catalase Immobilized at Electrochemically Reduced Graphene Oxide Modified Electrode for Amperometric H2O2 Biosensor

... satisfactory amperometric H 2 O 2 determination results achieved at the NF/CAT/ERGO film could be attributed to the good affinity of immobilized CAT towards H 2 O 2 ...and glucose. Therefore, selectivity of ... See full document

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Fabrication of an Amperometric Glucose Biosensor Based on a Prussian Blue/Carbon Nanotube/Ionic Liquid Modified Glassy Carbon Electrode

... three- electrode cell. A glassy carbon electrode (GC, ...platinum electrode from Metrohm were used as the refer- ence and auxiliary electrodes, ...the modified electrodes were observed by a ... See full document

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Amperometric Glucose Biosensor Based on Integration of Glucose Oxidase with Palladium Nanoparticles/Reduced Graphene Oxide Nanocomposite

... acid based on a RGO modified ...used graphene as the electrode ma- terial for low-potential NADH detection and biosensing for ...of graphene oxide in solution, and because of the van ... See full document

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Polyaniline/MnO2 Nanocomposites Based Stainless Steel Electrode Modified Enzymatic Urease Biosensor

... the electrode surface followed by the oxidation step of stainless steel ...prepared composite has been characterized by FTIR and X-ray diffraction (XRD) .../Urease biosensor electrode has also ... See full document

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An Amperometric Biosensor Based on Direct Immobilization of Horseradish Peroxidase on Electrochemically Reduced Graphene Oxide Modified Screen Printed Carbon Electrode

... ERGO-HRP modified SPCE shows very good amperometric response towards H 2 O 2 reduction with a sensitivity of ...of graphene based composites of a wide range of electrochemically important ... See full document

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A Glucose/O2 Biofuel Cell Based on Graphene and Multiwalled Carbon Nanotube Composite Modified Electrode

... membraneless glucose/O 2 biofuel cell with GOx immobilized ERGO- MWCNT as the anode for the glucose oxidation and graphene-Pt nanocomposite as the cathode for the O 2 ...towards glucose in the ... See full document

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Development of an Amperometric Glucose Biosensor Based on the Immobilization of Glucose Oxidase on the Se-MCM-41 Mesoporous Composite

... atic glucose biosensor for selective and sensitive detection o f glucose was developed by the imm obilization of glucose oxidase (G O D ) onto selenium nanoparticle-m esoporous silica com ... See full document

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An Amperometric Hydrogen Peroxide Biosensor Based on Myoglobin Immobilized on SDS-GNPs-GR Modified Electrode

... reduced graphene and gold nanoparticles composites were obtained using sodium dodecyl sulfate (SDS) as stabilizing agent and successfully dispersed fully in water to form a stable black aqueous ...as-prepared ... See full document

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A Facile Hydrazine Amperometric Sensor Based on a Glassy Carbon Electrode Modified with Au Nanoparticles-MnO2 Composites

... ions, glucose, epinephrine and ascorbic acid, the hydrazine response of the interfering species was examined at the nano-Au/MnO 2 /GCE with the potential of ..., glucose, epinephrine and ascorbic acid did ... See full document

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Direct Electrochemistry of Glucose Oxidase at Reduced Graphene Oxide/Zinc Oxide Composite Modified Electrode for Glucose Sensor

... RGO modified glassy carbon electrode ...RGO/ZnO composite films revealed that ZnO micro flowers are well formed, and anchored well at the surface of graphene ...RGO/ZnO composite and ... See full document

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A Review on Glucose and Hydrogen Peroxide Biosensor Based on Modified Electrode Included Silver Nanoparticles

... a glucose biosensor [42]. 5.2. Hydrogen Peroxide Biosensor Sensitive determination of H2O2 is of great significance in biological, clinical and environmental and many other ...methods, ... See full document

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Nonenzymatic Glucose Sensor: Glassy Carbon Electrode Modified with Graphene-Nickel/Nickel Oxide Composite

... 2013 Graphene based sensors receive attention due to their enhanced surface area, unique two – dimensional structure, remarkable stability and excellent electrical ...work graphene- nickel/nickel ... See full document

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Amperometric and Impedimetric H2O2 Biosensor Based on Horseradish Peroxidase Covalently Immobilized at Ruthenium Oxide Nanoparticles Modified Electrode

... oxide-HRP composite exhibits rapid response towards H 2 O 2 in good linear concentration range, which could be ascribed to the synergistic effect of RuNPs for H 2 O 2 ... See full document

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Amperometric Detection of Glucose by Polyaniline-Activated Carbon Composite Carbon Paste Electrode

... paste electrode using the salt form of polyaniline (pani) - activated carbon composite sensitive to glucose, was ...prepared. Glucose oxidase enzyme was immobilized to modified carbon ... See full document

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Elimination of Ascorbic Acid and Sensitive Detection of Uric Acid at the MnO2 Nanorods /Graphene-based Modified Electrode

... Nowadays, graphene could be prepared by the facile route of the chemical reduction of graphene oxide with low cost, easy operation and mass ...chemistry, graphene sheets can interact strongly with ... See full document

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Electrochemical Biosensor for L-phenylalanine Based on a Gold Electrode Modified with Graphene Oxide Nanosheets and Chitosan

... step, the solutions of 1 mM glucose, 1 mM estriol, 1 mM ethanol, 1 mM glycin, 1 mM L- cysteine, 1 mM ascorbic acid and 1 mM dopamine were prepared and added to the buffer sequentially. Finally, 1 mM L-phe solution ... See full document

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