Tetsuya Tsuda 교수

There is good evidence that the first room-temperature ionic liquid or RTIL was identified and characterized by Walden in 1914, who examined the electrical conductivity of ethylammonium nitrate. Thus, it would not be an exaggeration to say that the very beginnings of electrochemistry involved room-temperature ionic liquids!

The chemical and electrochemical behavior of titanium was examined in the Lewis acidic aluminum chloride-1-ethyl-3-methylimidazolium chloride molten salt at 353.2 K. Dissolved Ti(II), as was stable in the 66.7-33.3% mole fraction (m/o) composition of this melt, but slowly disproportionated in the 60.0-40.0 m/o melt. At low current densities, the anodic oxidation of Ti(0) did not lead to dissolved Ti(II), but to an insoluble passivating film of At high current densities or very positive potential

In 1985--2002, surveillance for bovine arboviruses was conducted in Kagoshima, located in the most southern part of the main islands of Japan and known to be an area where bovine arboviral diseases have frequently been epidemic. Culicoides biting midges were collected in a cowshed by light traps. A total of 456,300 Culicoides biting midges representing 13 species were collected, and a portion of each pool of midges were tested for virus isolation. Overall, 85 isolates of six different viruses we

The electrodeposition of aluminum-molybdenum alloys was examined at copper rotating disk and wire substrates in the Lewis acidic 66.7-33.3 mol % aluminum chloride-1-ethyl-3-methylimidazolium chloride molten salt containing Mo(II) in the form of dissolved The molybdenum content of the electrodeposits depended on the electrode rotation rate, Mo(II) concentration, and bath temperature. It was possible to produce nonequilibrium alloys containing up to 11 atom % Mo. These alloy deposits were compact

A facile pretreatment process for SEM: The use of room temperature ionic liquids (RTILs) provides an interesting method for SEM of biological specimens. We used a novel and concise method of pretreatment, excluding fixation or Au sputtering steps. Fine and smooth-textured SEM images of a wide variety of biological specimens treated in this way were observed without artefacts.

A PC organic salt: A series of piperidinium salts with a covalently attached propylene carbonate (PC) moiety provides a novel room-temperature ionic liquid (RTIL). This uniquely functionalized RTIL exhibits favorable electrochemical stability, leading to lithium metal deposition/stripping. Detailed facts of importance to specialist readers are published as ”Supporting Information”. Such documents are peer-reviewed, but not copy-edited or typeset. They are made available as submitted by the autho

In this article, we review the progress in the area of electrochemical technology with Lewis acidic haloaluminate room-temperature ionic liquids (RTILs), such as AlCl3–1-ethyl-3-methylimidazolium chloride and AlBr3–1-ethyl-3-methylimidazolium bromide, and novel chloroaluminate mixtures consisting of AlCl3 and polarizable molecules, e.g., dimethylsulfone and urea, during this decade. The number of researchers in the field seems to increase steadily, because now we can handle haloaluminate RTILs a

A new separation method using high-voltage capillary electrophoresis was applied to the analysis of several nucleotides. This system consisted of a micro-bore glass capillary column of 80-micron i.d., a high-voltage power supply, and a uv detector set at 254 nm. Seven nucleotides (cyclic AMP, AMP, ADP, ATP, GMP, GDP, and GTP) were separated completely from each other in 0.02 M phosphate buffer (pH 7) containing 0.5% ethylene glycol by applying about 150 V/cm. The theoretical plate number for AMP

Mass production of gold nanoparticles in room-temperature ionic liquids without any stabilizing agents has been achieved with radiation irradiation, i.e., accelerated electron beam and gamma-ray.

Establishment of a facile Pt nanoparticle–SWCNT composite fabrication method that never requires a laborious pretreatment of SWCNTs or any chemical reagent was achieved by using Pt-sputtered RTILs.

The electrochemistry of Zr(IV) and Zr(II) and the electrodeposition of Al-Zr alloys were examined in the Lewis acidic 66.7-33.3 mol % aluminum chloride-1-ethyl-3-methylimidazolium chloride molten salt at 353 K. The electrochemical reduction of Zr(IV) to Zr(II) is complicated by the precipitation of however, solutions of Zr(II) can be prepared by reducing Zr(IV) with Al wire. Al-Zr alloys can be electrodeposited from plating baths containing either Zr(IV) or Zr(II), but for a given concentration

The electrochemistry of Cu(I) oxide was examined in the 66.7–33.3% mole fraction (m/o) urea–choline chloride melt. Electrochemical parameters that were measured include the standard heterogeneous rate constant and transfer coefficient of the Cu(I)/Cu(II) reaction and the Cu(I) diffusion coefficient. Data about the density, equivalent conductance, and absolute viscosity of this melt were obtained over the temperature range of 298–353 K. The conductivity and viscosity exhibited the non-Arrhenius b