电化学技术研究铁蛋白接受电子的能力

Ｈｏｎｇ鱼肝脏铁蛋白（Ｌｉｖｅｒ Ｆｅｒｒｉｔｉｎ ｏｆ Ｄａｓｙａｔｉｓ Ａｋａｊｅｉ，ＤＡＬＦ）利用自身的电子隧道直接从铂金电极上获得还原电子且用于释放铁反应。血红素不仅能络合于ＤＡＬＦ，形成ＤＡＬＦ－ｈｅｍｅ分子（ＤＡＬＦＨ），并构建成电子隧道－血红素结构，而且加速ＤＡＬＦＨ从铂金电极上接受电子的速率，从而达到提高释放铁速率的效果。用抗环血酸作为还原剂时，ＤＡＬＦ和ＤＡＬＦＨ释放铁速率几乎相

STUDIES ON CAPACITY OF ACCEPTING ELECTRONS FROM FASHLIVER FERRITIN WITH ELECTROCHEMICAL TECHNOLOGY

Through its electron tunnelling, liver Ferritin of Dasyatis Akajei(DALF) directly picked the reduction electrons up from the platinum electrode for releasing iron. The heme not only bound to the ferritin to constitute a molecule of DALF-heme, called DALFH and to form a structure of electron-tunnel-heme, but also accelerated the rate that DALF received the electron from the electrode for increasing rate of iron release. Using a reducer of ascorbic acid, similar rates of iron release from both DALFH and DALF were observed. DALF was shown not only to obtaining the reduction electrons but also in accelerating the rate of iron release under aerobic environments, suggesting that the protein shell in the ferritin has two electron tunnels with different redox potentials.