Hemoglobin magnetism in aqueous solution probed by muon spin relaxation and future applications to brain research

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概要

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• A marked difference in spin relaxation behavior due to hemoglobin magnetism was found for positive muons (μ+) in deoxyhemoglobin in comparison with that observed in oxyhemoglobin in aqueous solution at room temperature under zero and external longitudinal magnetic fields upto 0.4 Tesla. At the same time, small but significant unique relaxation pattern was observed in nonmagnetic oxyhemoglobin. Combined with our previous measurements on hemoglobin in human blood, application of this type of measurement to the studies of the level of oxygenation in various regions of the human brain is suggested. (Communicated by Toshimitsu YAMAZAKI, M.J.A.)

著者

• Nagamine Kanetada

  Atomic Physics Laboratory, RIKEN

• Shimomura Koichiro

  Muon Science Laboratory, Institute of Materials Structure Science, KEK

• Miyadera Haruo

  Physics Department, University of California, Riverside

• KIM Yong-Jae

  Physics Department, University of California, Riverside

• SCHEICHER Ralph

  Department of Physics, Michigan Technological University

• DAS Tara

  Department of Physics, University at Albany, State University of NewYork

• SCHULTZ Jerome

  Department of Bio-Engineering, College of Engineering, University of California, Riverside

• Nagamine Kanetada

  Atomic Physics Laboratory Riken (the Institute Of Physical And Chemical Research):muon Science Labor

• Shimomura Koichiro

  Muon Science Laboratory Institute Of Materials Structure Science High Energy Accelerator Research Organization

• Nagamine Kanetada

  Atomic Physics Laboratory Riken (the Institute Of Physical And Chemical Research)

関連論文

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