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Maeda Yasushi 한국막학회 1996 멤브레인 Vol.6 No.4
In this paper several advantage of RO/NF technologies have been described. However, it should be noted that membrane technology does not solve all the water treatment problems encountered in municipalities. Membranes can provide effective and highly optimized solutions when integrated with conventional technologies such as coagulation, sand filtration, and activated carbon treatments.
Improvement in the Super Low Core-loss Soft Magnetic Materials
Maeda Toru,Sato Atsushi,Mochida Yasushi,Toyoda Haruhisa,Mimura Koji,Nishioka Takao 한국분말야금학회 2006 한국분말야금학회 학술대회논문집 Vol.2006 No.1
We reported a P/M soft magnetic material with core loss value of , which is lower than that of 0.35mm-thick laminated material, by using high purity gas-atomized iron powder. Lack of mechanical strength and high cost of powder production are significant issues for industrial use. In order to achieve both low core loss and high strength by using inexpencive powder, the improvement of powder shape and surface morphology and binder strength was conducted. As the result, the material based on water-atomized powder with 80 MPa of TRS and 108 W/kg of core loss (W10/1k) was achieved.
Magnetoresistance and Strain in Permalloy Films
Ohsung Song,Yasushi Maeda 한국자기학회 1998 Journal of Magnetics Vol.3 No.1
We measured the magnetoresistance (MR) of sputtered Permalloy (Ni_(83)Fe_(17)) films with external strains produced by piezoelectric transducer actuators. We observe that the MR ratio was increased by 2.3 times by a compressive strain of 3.5×10-⁴ compared to that of the as-deposited film. Tensile strains and compressive strains reduced the MR ratio. These observations suggest that it is possible to tune the MR properties through the use of the external strains. We expect to apply the results for the multi-head magnetic recorders with selectively activated recording heads.
Pharmacokinetics of low doses of colchicine in the leukocytes of Japanese healthy individuals
Akiko Mutoh,Hitoshi Uehara,Asano Maeda,Akihiro Tokushige,Yasushi Higashiuesato,Mika Maeda,Yuji Kumagai,Shinichiro Ueda 대한임상약리학회 2023 Translational and Clinical Pharmacology Vol.31 No.4
The venerable drug colchicine has garnered significant recent attention due to its endorsement by the United States Food and Drug Administration as an anti-inflammatory medication for cardiovascular diseases. However, the administration of this drug at its minimal available dose of 0.5 mg has been associated with certain adverse reactions. Once colchicine is administered, the drug disappears from blood in a short time and distributes in the leukocytes for a certain period of time that elicits anti-inflammatory effect. Consequently, an in-depth comprehension of the pharmacokinetics of lower dosages within leukocytes assumes important for its broader application in routine clinical contexts. In this study, we present a comprehensive analysis of the pharmacological disposition of colchicine in the plasma, polymorphonuclear leukocytes, and mononuclear leukocytes among healthy Japanese male subjects, following both single and multiple oral administrations of 0.5 mg and 0.25 mg doses of colchicine. Our investigation reveals that colchicine persists within leukocyte populations even when administered at reduced dosages. The findings herein hold promise for mitigating the adverse effects associated with its use in the treatment of inflammatory cardiovascular disorders.
Nakaoka, Yoshikazu,Nishida, Keigo,Narimatsu, Masahiro,Kamiya, Atsunori,Minami, Takashi,Sawa, Hirofumi,Okawa, Katsuya,Fujio, Yasushi,Koyama, Tatsuya,Maeda, Makiko,Sone, Manami,Yamasaki, Satoru,Arai, Yu American Society for Clinical Investigation 2007 The Journal of clinical investigation Vol.117 No.7
Keiichi Nakahara,Satoshi Yamashita,Katsumasa Ideo,Seigo Shindo,Tomohiro Suga,Akihiko Ueda,Shoji Honda,Tomoo Hirahara,Masaki Watanabe,Taro Yamashita,Yasushi Maeda,Yasuhiro Yonemochi,Tomohiro Takita,Yuk 대한신경과학회 2014 Journal of Clinical Neurology Vol.10 No.4
Background Listeria monocytogenes (L. monocytogenes) is a rare causative pathogen ofbrain abscess that is often found in immunocompromised patients. Although patients with supratentorial listerial abscesses showed a longer survival with surgical drainage, the standardtherapy for patients with subtentorial lesions has not been established. Case Report We report herein a patient with supra- and subtentorial brain abscesses causedby L. monocytogenes infection. These abscesses did not respond to antibiotics, and his symptoms gradually worsened. Drainage was not indicated for subtentorial lesions, and the patientwas additionally treated with hyperbaric oxygen therapy, which dramatically reduced the volume of abscesses and improved the symptoms. Conclusions This is the first report of drastic therapy for a patient with listerial brain abscesses involving combined antibiotics and hyperbaric oxygen therapy. The findings suggestthat hyperbaric oxygen therapy is a good option for treating patients with deep-seated listerialabscesses and for who surgical drainage is not indicated.