- Corrosion Behavior and Inhibition
- Electrochemical sensors and biosensors
- Conducting polymers and applications
- Analytical Chemistry and Sensors
- Electrochemical Analysis and Applications
- Concrete Corrosion and Durability
- Advanced Sensor and Energy Harvesting Materials
- Electrodeposition and Electroless Coatings
- Non-Destructive Testing Techniques
- Advanced Battery Technologies Research
- Hydrogen embrittlement and corrosion behaviors in metals
- Smart Materials for Construction
- Advancements in Battery Materials
- Fuel Cells and Related Materials
- Biosensors and Analytical Detection
- Anodic Oxide Films and Nanostructures
- Advanced biosensing and bioanalysis techniques
- Advanced Chemical Sensor Technologies
- Advanced Battery Materials and Technologies
- Supercapacitor Materials and Fabrication
- Analytical chemistry methods development
- Copper Interconnects and Reliability
- Magnesium Alloys: Properties and Applications
- Metallurgy and Material Science
- Ultrasonics and Acoustic Wave Propagation
Tokyo University of Science
2015-2024
Yamagata University
2021
Hitachi (Japan)
2016
Teikyo University of Science
2013-2014
Japan Science and Technology Agency
2014
University of California, San Diego
2012
The University of Tokyo
2004-2008
Yoshino Kogyosho (Japan)
2008
Denka (Japan)
2008
As lactate is a useful biomarker for evaluating conditions of the body and also has high theoretical energy density as fuel, enzymatic biofuel cells (BFCs) that utilize fuel have received considerable attention. In this study, we developed high-power lactate/O2 BFC comprises composite electrodes made from carbon cloth current collector MgO-templated porous an electroenzymatic reaction field enzyme support. The bioanode contains oxidase 1-methoxy-5-methylphenazinium methylsulfate redox...
In this research work, we reported the synthesis of a spherical-shaped bismuth vanadate (BiVO4) photocatalyst using cost-effective, simple, chemical hydrothermal method and studied effect deposition temperatures on structural, morphological, optical properties, etc. The XRD result confirmed monoclinic scheelite phase BiVO4. An XPS study occurrence Bi, V, O elements also found that Bi V exist in +3 +5 oxidation states, respectively. SEM micrographs revealed morphology BiVO4 photocatalyst....
A self-driven sensor that can detect urine and sugar be mounted on diapers is desirable to reduce the burden of long-term care. In this study, we created a paper-based glucose biofuel cell sugar. Electrodes for cells were produced by printing MgO-templated porous carbon which poly(glycidyl methacrylate) was modified using graft polymerization. new bioanode prepared through covalently modifying flavin-adenine-dinucleotide-dependent dehydrogenase azure with pendant glycidyl groups...
This study aimed to develop a lactate sensor with microchannel that overcomes the issue of air bubbles interfering measurement levels in sweat and evaluate its potential for continuous monitoring sweat. To achieve lactate, was used supply drain from electrodes sensor. A then developed has an area specifically designed trap prevent them contacting electrode. The evaluated by person while exercising test effectiveness correlation blood levels. Furthermore, this can be worn on body long time is...
Super-hydrophobic and super-hydrophilic gold surfaces were prepared by modifying microstructured with thiols. The perfluorodecanethiol (PFDT)-modified rough surface was converted from super-hydrophobic (water contact angle = 150–160°) to (0–10°) photocatalytic remote oxidation using a TiO2 film. During the oxidation, oxygen-containing groups introduced thiol, finally, even sulfur atoms removed. Super-hydrophobic/super-hydrophilic patterns also obtained lithography, TiO2-coated photomask. On...
We demonstrate a flexible paper-based biofuel cell using porous carbon inks for high power output. The density of the fabricated reached 0.12 mW cm(-2) (at 0.4 V), which is highest output reported to date, best our knowledge.
There is an increasing need for wearable diagnostic sensor devices and enzymatic biofuel cells (EBFCs) as efficient power sources. In this study, a six-glucose/O2 cell array connected in series was fabricated by screen printing self-powered glucose exhibiting electromotive force of 3.2 V. Porous carbon electrodes were formed MgO-templated on water-repellent paper to improve the performance cathode thus prevent it from being limiting step. The bioanode contained oxidase catalyst...
The electrochemical impedance Z and complex capacitance C for typical equivalent circuits were summarized systematically in order to support the frequency domain analysis of electric double layer (EDLC). In present paper, calculated case that response porous electrode was presented by a transmission line model (TLM). loci on divided into lumped constant distributed ranges low high ranges, respectively. plot superior obtain than plot.
An efficient solar-driven biofuel hydrogen production from direct photoelectrocatalytic oxidation of glucose on a robust Cu<sub>2</sub>O–TiO<sub>2</sub> photoelectrode was demonstrated.
The printable paper-based enzymatic biofuel cell (PBFC) to directly power small devices is an important objective for realizing cost-effective and disposable energy harvesting devices. In the present study, a screen-printed circular-type PBFC, composed of series 5 individual cells, was constructed. PBFC exhibited open circuit potential 2.65 V maximum 350 μW at 1.55 V, which were sufficient illuminate LED without requiring booster circuit. output voltage this can also be easily adjusted as required.
Abstract A novel paper‐based biofuel cell with a series/parallel array structure has been fabricated, in which the voltage and output power can easily be adjusted as required by printing. The of fabricated 4‐series/4‐parallel reached 0.97±0.02 mW at 1.4 V, is highest reported to date for cell. This work contributes development flexible, wearable energy storage device.