提出了一种基于金属离子螯合作用的压电免疫传感器新型固定化方法。
A new antibody immobilization approach has been proposed for the piezoelectric immunosensors through metal ion chelation.
低分子有机酸普遍存在于自然环境中，其与重金属阳离子的螯合作用是环境中重金属迁移转化的重要影响因素。
Low molecular organic acids are commonly present and become an important factor in affecting transformation and transfer of heavy metals in environment.
胺肟型螯合纤维的胺肟螯合基团可以与某些金属离子发生螯合作用，增强了吸附金属离子的定向性和选择性。
Chelation can be taken between amidoxime group in amidoxime chelate fiber and some metal ions. The adsorbent has better adsorbability.
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