Abstract: A method is disclosed for producing a film containing oriented nanotubes or nanoparticles. The nanotubes typified by CNTs or nanoparticles are oriented utilizing an electric field, and influence of an electrode is suppressed, thereby allowing for production of a large-area film containing nanotubes or nanoparticles including reliably oriented nanotubes or nanoparticles, at a low cost. The method for producing the film containing nanotubes or nanoparticles which are oriented along the plane direction of the film includes: placing a film precursor containing nanotubes or nanoparticles on an interdigitated comb-like electrode through a support, in which the comb-like electrode is arranged on an insulating plate and configured with electrode wires having a circular cross-section; applying an AC voltage to the comb-like electrode in a state with the film precursor present on the comb-like electrode; and converting the film precursor into a film.

Abstract: A measurement cell comprises a measurement chamber; an inflow aperture through which a sample liquid flows into the measurement chamber; an outflow aperture through which the sample liquid flows out of the measurement chamber; a measurement electrode which is provided in the measurement chamber at a position toward the outflow aperture, traps microorganisms contained in the sample liquid that flows in the measurement chamber, and to which a measurement AC voltage is applied for measuring the quantity of the microorganisms; a concentration electrode which is provided in the measurement chamber at a position toward the inflow aperture, and to which a concentration-use AC voltage is applied for imparting a repulsive force that guides the microorganisms contained in the sample liquid to the measurement electrode side; and insulators which are provided on the concentration electrode, and on which is formed an electrical field convergence unit that produces a repulsive force in a portion of the insulators when the

Abstract: A device and a method for measuring microspheres are provided in which, in a microsphere measurement of a sample liquid in which blood or saliva exists mixedly with microorganisms (included in the definition of the microspheres in the application) that are the detection object, both a dielectrophoretic trap at a high solution electric conductivity, and a highly sensitive and accurate impedance measurement can be attained.

Abstract: A method is disclosed for producing a film containing oriented nanotubes or nanoparticles. The nanotubes typified by CNTs or nanoparticles are oriented utilizing an electric field, and influence of an electrode is suppressed, thereby allowing for production of a large-area film containing nanotubes or nanoparticles including reliably oriented nanotubes or nanoparticles, at a low cost. The method for producing the film containing nanotubes or nanoparticles which are oriented along the plane direction of the film includes: placing a film precursor containing nanotubes or nanoparticles on an interdigitated comb-like electrode through a support, in which the comb-like electrode is arranged on an insulating plate and configured with electrode wires having a circular cross-section; applying an AC voltage to the comb-like electrode in a state with the film precursor present on the comb-like electrode; and converting the film precursor into a film.

Abstract: A device and a method for measuring microspheres are provided in which, in a microsphere measurement of a sample liquid in which blood or saliva exists mixedly with microorganisms (included in the definition of the microspheres in the application) that are the detection object, both a dielectrophoretic trap at a high solution electric conductivity, and a highly sensitive and accurate impedance measurement can be attained.

Abstract: [Problems] The present invention is to provide a method of solubilizing a carbon nanomaterial, in which a carbon nanomaterial can be dissolved in a hydrophilic solvent easily and uniformly without structural deterioration of the carbon nanomaterial, the dispersibility can be maintained for a prolonged period of time, the solubilizing treatment can be performed at low cost, and the treatment can be easily controlled. [Means for Resolution] The method of solubilizing a carbon nanomaterial of the invention is characterized by mixing a carbon nanomaterial in a hydrophilic solvent, and performing streamer discharge in the hydrophilic solvent to dissolve the carbon nanomaterial in the hydrophilic solvent with the dispersed state thereof maintained stably.

Abstract: [Problems] The present invention is to provide a method of solubilizing a carbon nanomaterial, in which a carbon nanomaterial can be dissolved in a hydrophilic solvent easily and uniformly without structural deterioration of the carbon nanomaterial, the dispersibility can be maintained for a prolonged period of time, the solubilizing treatment can be performed at low cost, and the treatment can be easily controlled. [Means for Resolution] The method of solubilizing a carbon nanomaterial of the invention is characterized by mixing a carbon nanomaterial in a hydrophilic solvent, and performing streamer discharge in the hydrophilic solvent to dissolve the carbon nanomaterial in the hydrophilic solvent with the dispersed state thereof maintained stably.

Abstract: When the power output of a continuous wave oscillated laser is changed to a pulsed laser by Q-switching, in the conventional method of Q-switching, if the pulse repetition rate is changed, the condition of oscillated excitation is changed and the pulse waveform or pulse peak power are simultaneously changed; and therefore, a stable dulling process is impracticable.The present invention decreases the cavity loss of a laser oscillator during a pulse off by decreasing power output of the radio-frequency signal applied to the Q-switch, and consequently, controls the pulse waveform to that required for the roll dulling process. In accordance with the method of the invention, the roughness of the dulled roll surface consists of innumerable small craters and is suitable for a high speed fine dulling process.