To improve the treatment effect of endostain, we used PEG to modify its structure. Because PEG so far is the best and most popular modifier forproteins.
为提高内皮抑素的治疗效果，本研究采用聚乙二醇（PEG）对内皮抑素进行结构修饰。
The influence of structure and concentration of modifier, roughness of fabric surface, and washing cycles on contact angle were discussed.
讨论了改性剂结构、 浓度、处理物表面粗糙程度及洗涤次数对接触角的影响。
The effect of two kinds of modifier on the change of structure and function of BR were discussed.
本文对这二种化学修饰引起的BR 结构和功能变化进行了初步讨论。
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