| Budget Amount *help |
¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2013: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2012: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2011: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
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| Research Abstract |
The development of artificial oxygen carrier is essential to support the stable blood transfusion. Artificial oxygen carrier is free from problem of blood type or blood infection, and it is preserved for longer period than blood itself. The blood substitutes so far developed are mainly from hemoglobin and related materials. Myoglobin has an advantage over hemoglobin because it is free from the influence of allosteric effector of solution pH. However, myoglobin has not been used as the blood substitute because of the extremely high oxygen affinity. We have developed a research to donate appropriate oxygen-transporting ability to myoglobin, and to utilize it as an efficient oxygen carrier. The rearrangement of the tetrapyrrole array in the porphyrin ring was quite effective to control the oxygen delivery. We found that the myoglobin reconstituted iron corrphycene, a trapezoidal heme, exhibits sufficient ability for oxygen delivery.
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