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Changes in NK Activity and CD57-CD16+ Level by Frontal Exposure to Red Photodiode Light
Kamei, Tsutomu,Toriumi, Yoshitaka,Kumano, Hiroaki,Ohno, Satoshi,Yasushi, Mitsuo Korean Society of Photoscience 2002 Journal of Photosciences Vol.9 No.2
In zoological research, penetration of light has been reported of the frontal bones of fish, birds, and reptiles, suggesting the existence of physiologically direct photic routes to frontal lobes and/or deep parts of the brain. We studied the influences of frontal exposure to photodiode light on frontal alpha wave and peripheral NK cells. Repetitive exposure of the subject's forehead to a red light diode (660nm) significantly increased the effective amplitude of the frontal alpha waves (using a mean frequency with a range of +1.0 Hz), peripheral NK activity, and the level of CD57-CD16+. Frontal alpha wave activity and the level of CD57-CD16+ increased, suggesting the possibility of a non-invasive procedure for the activation of the frontal lobe and the increase of NK cells. This light is considered to penetrate the frontal bones of humans directly, and to act on the frontal lobe and/or other immunological regulatory centers in the brain, resulting in some neuro-immunological changes.
Investigation of the Magnetic Co Antidot Array Structure on Anodic Porous Alumina
박영옥,김철성,고태준,Satoru Mohri,Sawako Ohno,Kenji Taira,Yasushi Hirose,Tetsuya Hasegawa 한국물리학회 2010 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.56 No.2
The surface morphology and the magnetic properties of thin Co films deposited on anodic porous alumina substrates have been studied. The uniform porosity of the alumina substrate prepared by using the two-step anodization process allows the fabrication of Co films with an antidot nanostructure. Also, by varying the deposition temperature, we obtain two distinctive surface morphologies through the thermally-driven coalescence process. Careful measurements of their magnetization curves reveal that the magnetic properties, such as the coercivity and the shape of the hysteresis curve, of the Co films deposited on the porous substrates differ significantly from those of films deposited on non-porous substrates.
OPTICAL-INFRARED AND HIGH-ENERGY ASTRONOMY COLLABORATION AT HIROSHIMA ASTROPHYSICAL SCIENCE CENTER
UEMURA, MAKOTO,YOSHIDA, MICHITOSHI,KAWABATA, KOJI S.,MIZUNO, TSUNEFUMI,TANAKA, YASUYUKI T.,AKITAYA, HIROSHI,UTSUMI, YOUSUKE,MORITANI, YUKI,ITOH, RYOSUKE,FUKAZAWA, YASUSHI,TAKAHASHI, HIROMITSU,OHNO, MA The Korean Astronomical Society 2015 天文學論叢 Vol.30 No.2
The Hiroshima Astrophysical Science Center (HASC) was founded in 2004 at Hiroshima University, Japan. The main mission of this institute is the observational study of various transient objects including gamma-ray bursts, supernovae, novae, cataclysmic variables, and active galactic nuclei by means of multi-wavelength observations. HASC consists of three divisions; the optical-infrared astronomy division, high-energy astronomy division, and theoretical astronomy division. HASC is operating the 1.5m optical-infrared telescope Kanata, which is dedicated to follow-up and monitoring observations of transient objects. The high-energy division is the key operation center for the Fermi gamma-ray space telescope. HASC and the high-energy astronomy group in the department of physical science at Hiroshima University are closely collaborating with each other to promote multi-wavelength time-domain astronomy. We report the recent activities of HASC and some science topics pursued by this multi-wavelength collaboration.