叶酸

1.Polymeric carrier containing folic acid is expected to be able to identify tumor surface receptors and transfect cells by receptor-mediated endocytosis.

含有叶酸的聚合载体能够识别肿瘤表面受体，并且能够通过受体介导的(细胞)内摄作用转染细胞。

2.A method for fluorophotometric assay of dihydrofolate reductasc (DHFR) activity by the use of fluorescence properties of dihydrofolate (DHFA) and NADPH was developed.

摘要本文应用二氢叶酸(DHFA)辅酶Ⅱ(NADPH)的荧光性质，建立了二氢叶酸还原酶(DHFR)活力测定的反应体系，并对酸度等反应条件进行了优化。