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Isao Yamazaki, a research scientist at Hokkaido University and an emeritus member of the ¾«Æ·¹ú²úÒ»Çø¶þÇøÌÒÉ«, died August 19, 2022 at age 97.

 

Yamazaki was born September 1, 1924 in Otaru City, Hokkaido, Japan. He obtained his bachelor's degree in 1948 at Hokkaido University and his doctorate in 1958. His graduate research focused on peroxidase reactions. 

After serving for two years on the faculty at Tohoku University, Yamazaki pursued a postdoctoral fellowship in 1959 in the department of biochemistry at the University of Oregon Medical School where he began his work on free radicals with Howard Mason. He returned to Japan and to Tohoku University in 1961, and he served concurrently in the Applied Electrical Research Laboratory at Hokkaido University. He pursued groundbreaking research on enzyme reactions, electrons and reactive oxygen species for 34 years.

Yamazaki’s work on free radicals was honored and highlighted in a 2010 Journal of Biological Chemistry Classics by Robert Hill, a longtime biochemistry faculty member at Duke University.

Hill and his coauthors wrote that both papers covered in the Classics article “not only demonstrated the excellent correlation of the free radical signals with the proposed reaction kinetics but also confirmed that the two-step oxidation of organic compounds involves a chemical radical.”

After retiring from Hokkaido University in 1988, Yamazaki became a visiting professor at Utah State University, Logan, where he continued to do research. 

Yamazaki received many honors including being elected an honorary member of the American Society of Biological Chemists in 1983. After his scientific career, he pursued Buddhism research and published a book titled “The Origin of Buddhism, Its Wisdom and Faith.”