Measurements of Primary and Atmospheric Cosmic-Ray Spectra with the BESS-TeV Spectrometer (2004)
Haino, S., Sanuki, T., Abe, K., Anraku, K., Asaoka, Y., Fuke, H., ...
Primary and atmospheric cosmic-ray spectra were precisely measured with the BESS-TeV spectrometer. The spectrometer was upgraded from BESS-98 to achieve seven times higher resolution in momentum...
Abe, K., Sanuki, T., Anraku, K., Asaoka, Y., Fuke, H., Haino, S., ...
The cosmic-ray proton, helium, and muon spectra at small atmospheric depths of 4.5 -- 28 g/cm^2 were precisely measured during the slow descending period of the BESS-2001 balloon flight. The...
Measurements of atmospheric muon spectra at mountain altitude (2002)
Sanuki, T., Fujikawa, M., Abe, K., Anraku, K., Asaoka, Y., Fuke, H., ...
We report new measurements of the atmospheric muons at mountain altitude. The measurement was carried out with the BESS detector at the top of Mt. Norikura, Japan. The altitude is 2,770 m above sea...
Precise Measurements of Atmospheric Muon Fluxes with the BESS Spectrometer (2002)
Motoki, M., Sanuki, T., Orito, S., Abe, K., Anraku, K., Asaoka, Y., ...
The vertical absolute fluxes of atmospheric muons and muon charge ratio have been measured precisely at different geomagnetic locations by using the BESS spectrometer. The observations had been...
Design of UHECR telescope with 1 arcmin resolution and 50 degree field of view (2002)
Sasaki, M., Kusaka, A., Asaoka, Y.
A new telescope design based on Baker-Nunn optics is proposed for observation of ultra high-energy cosmic rays (UHECRs). The optical system has an image resolution of smaller than 0.02$^\circ$ within...
Asaoka, Y., Shikaze, Y., Abe, K., Anraku, K., Fujikawa, M., Fuke, H., ...
The energy spectra of cosmic-ray low-energy antiprotons and protons have been measured by BESS in 1999 and 2000, during a period covering the solar magnetic field reversal. Based on these...
Measurement of low-energy antiproton detection efficiency in BESS below 1 GeV (2001)
Asaoka, Y., Yoshimura, K., Yoshida, T., Abe, K., Anraku, K., Fujikawa, M., ...
An accelerator experiment was performed using a low-energy antiproton beam to measure antiproton detection efficiency of BESS, a balloon-borne spectrometer with a superconducting solenoid. Measured...
Precise Measurement of Cosmic-Ray Proton and Helium Spectra with the BESS Spectrometer (2000)
Sanuki, T., Motoki, M., Matsumoto, H., Seo, E. S., Wang, J. Z., Abe, K., ...
We report cosmic-ray proton and helium spectra in energy ranges of 1 to 120 GeV and 1 to 54 GeV/nucleon, respectively, measured by a balloon flight of the BESS spectrometer in 1998. The...
Precision Measurement of Cosmic-Ray Antiproton Spectrum (1999)
Orito, S., Maeno, T., Matsunaga, H., Abe, K., Anraku, K., Asaoka, Y., ...
The energy spectrum of cosmic-ray antiprotons has been measured in the range 0.18 to 3.56 GeV, based on 458 antiprotons collected by BESS in recent solar-minimum period. We have detected for the...
Progress in search for cosmic-ray anti-particles by BESS spectrometer (1998)
Yamamoto, A, Orito, S, Ormes, J F, Yoshida, T, Yoshimura, K, Abe, K, ...
Development of a Large-Area Aerogel Cherenkov Counter Onboard BESS (1998)
Asaoka, Y., Abe, K., Yoshimura, K., Ishino, M., Fujikawa, M., Orito, S.
This paper describes the development of a threshold type aerogel Cherenkov counter with a large sensitive area of 0.6 m$^2$ to be carried onboard the BESS rigidity spectrometer to detect cosmic-ray...
Tsujishita, Y, Asaoka, Y, Nishizuka, Y
Permeabilized human leukemia HL-60 and U-937 cells suspended in an acidic or alkaline medium release various unsaturated fatty acids, most abundantly oleic and arachidonic acids. Concomitant...
Asaoka, Y, Yoshida, K, Sasaki, Y, Nishizuka, Y, Murakami, M, Kudo, I, ...
Both 2-lysophosphatidylcholine and cis-unsaturated fatty acids were previously shown to intensify agonist-induced cellular responses by enhancing the diacylglycerol-dependent activation of protein...
Asaoka, Y, Yoshida, K, Sasaki, Y, Nishizuka, Y
2-Lysophosphatidylcholine and cis-unsaturated fatty acids such as linoleic and linolenic acids, which are the products of the hydrolysis of phosphatidylcholine catalyzed by phospholipase A2 (EC...
Platelet activation by simultaneous actions of diacylglycerol and unsaturated fatty acids.
Yoshida, K, Asaoka, Y, Nishizuka, Y
Several cis-unsaturated fatty acids such as oleic, linoleic, linolenic, eicosapentaenoic, and docosahexaenoic acids added directly to intact human platelets greatly enhance protein kinase C...
Asaoka, Y, Oka, M, Yoshida, K, Sasaki, Y, Nishizuka, Y
2-Lysophosphatidylcholine (lysoPtdCho), a product of the hydrolysis of phosphatidylcholine catalyzed by phospholipase A2, greatly potentiates the activation of human resting T lymphocytes that is...
Shinomura, T, Asaoka, Y, Oka, M, Yoshida, K, Nishizuka, Y
Kinetic properties of the purified alpha, beta, and gamma subspecies of protein kinase C (PKC) to respond to diacylglycerol, phosphatidylserine (PtdSer), and Ca2+ were reinvestigated in the presence...
Asaoka, Y, Oka, M, Yoshida, K, Nishizuka, Y
DL-1,2-Dioctanoylglycerol (1,2-DiC8) added to human peripheral resting T lymphocytes was rapidly metabolized to produce octanoic acid and further to small molecules, probably by the action of...
Sustained activation of protein kinase C is essential to HL-60 cell differentiation to macrophage.
Aihara, H, Asaoka, Y, Yoshida, K, Nishizuka, Y
Although a single dose of phorbol 12-myristate 13-acetate (PMA) allowed HL-60 cells to differentiate to macrophages, a single dose of membrane-permeant diacylglycerol (DAG), 1,2-dioctanoylglycerol...
Tsujishita, Y, Asaoka, Y, Nishizuka, Y
Permeabilized human leukemia HL-60 and U-937 cells suspended in an acidic or alkaline medium release various unsaturated fatty acids, most abundantly oleic and arachidonic acids. Concomitant...
Asaoka, Y, Yoshida, K, Sasaki, Y, Nishizuka, Y, Murakami, M, Kudo, I, ...
Both 2-lysophosphatidylcholine and cis-unsaturated fatty acids were previously shown to intensify agonist-induced cellular responses by enhancing the diacylglycerol-dependent activation of protein...
Asaoka, Y, Yoshida, K, Sasaki, Y, Nishizuka, Y
2-Lysophosphatidylcholine and cis-unsaturated fatty acids such as linoleic and linolenic acids, which are the products of the hydrolysis of phosphatidylcholine catalyzed by phospholipase A2 (EC...
Platelet activation by simultaneous actions of diacylglycerol and unsaturated fatty acids.
Yoshida, K, Asaoka, Y, Nishizuka, Y
Several cis-unsaturated fatty acids such as oleic, linoleic, linolenic, eicosapentaenoic, and docosahexaenoic acids added directly to intact human platelets greatly enhance protein kinase C...
Asaoka, Y, Oka, M, Yoshida, K, Sasaki, Y, Nishizuka, Y
2-Lysophosphatidylcholine (lysoPtdCho), a product of the hydrolysis of phosphatidylcholine catalyzed by phospholipase A2, greatly potentiates the activation of human resting T lymphocytes that is...
Shinomura, T, Asaoka, Y, Oka, M, Yoshida, K, Nishizuka, Y
Kinetic properties of the purified alpha, beta, and gamma subspecies of protein kinase C (PKC) to respond to diacylglycerol, phosphatidylserine (PtdSer), and Ca2+ were reinvestigated in the presence...
Asaoka, Y, Oka, M, Yoshida, K, Nishizuka, Y
DL-1,2-Dioctanoylglycerol (1,2-DiC8) added to human peripheral resting T lymphocytes was rapidly metabolized to produce octanoic acid and further to small molecules, probably by the action of...
Sustained activation of protein kinase C is essential to HL-60 cell differentiation to macrophage.
Aihara, H, Asaoka, Y, Yoshida, K, Nishizuka, Y
Although a single dose of phorbol 12-myristate 13-acetate (PMA) allowed HL-60 cells to differentiate to macrophages, a single dose of membrane-permeant diacylglycerol (DAG), 1,2-dioctanoylglycerol...