... Sciences, Chiba University,1-8-1 Inohana, Chuo, Chiba 260 8675, Japan. § Institute of Inorganic Chemistry, University ... The 99m Tc-GH solution (100 μL) was mixed with a same volume of oxygen-free MBHam (1 × 10 −2 M) in 0.02 M phosphate buffer solution (pH 7), and the ...