为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

Thymidylate synthase (TS) is a critical enzyme for DNA biosynthesis and many nonclassical lipophilic antifolates targeti......

Methotrexate(MTX) is a folate antagonist drug used for several diseases,such as cancers,various malignancies,rheumatoid ......

抗代谢药是最早被发现的抗肿瘤药物之一.氨甲喋呤(MTX),作为一个叶酸类似物,在二十世纪四十年代末期被发现[1],如今仍然被临床广泛......