Its isoelectric points are 3.85 and 4.35, determined by iso-eletric focusing electrophoresis.
用薄层聚丙烯酰胺凝胶等电聚焦电泳测得该酶的等电点为3.85和4.35；
The rate of iron release of DALF with different isoelectric points in vitro differs somewhat from that in vivo.
在体外，不同等电点的DALF释放铁的速率有些差别。
The measurement of the zero charge points and isoelectric points shows occurance of the characteristic absorption.
零电荷点和等电点的测量结果表明发生了特性吸附。
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