在非变性条件下，用TALON金属亲和层析树脂纯化含组氨酸标记的重组DHFR。
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鸡肝二氢叶酸还原酶（DHFR）平衡态的去折叠曲线符合二态模型，但在4.0mol／L脲中的去折叠动力学为两相。
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Construction of GPI-anchored Superantigen SEA and Expression in CHO-dhfr-Cells Membrane
超抗原SEA的GPI锚定修饰和在CHO-dhfr~-细胞膜上的表达
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Analysis of the DHFR and DHPS Genes of Pneumocystis Carinii Infected SD Rats
大鼠卡氏肺孢子虫DHFR和DHPS基因序列的测定与分析
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the level of dihydrofolate reductase ( dhfr) mrna expression was assayed with rt pcr.
用RT-PCR检测二氢叶酸还原酶（DHFR）mRNA表达量；
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Analysis and expression in CHO/ dhfr~+ of recombinant human protein C
重组人蛋白C在CHO/dhfr~+细胞中的表达与分析
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Construction of targeted integration and high expression system in CHO/ dhfr-cell line
新型CHO/dhfr~-细胞定点整合和表达系统的建立
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After PCR and sequencing, the expression plasmid pWD κ H was transfected into CHO ( dhfr ~-) cells.
经PCR和测序鉴定正确后, 用lipofectAMINE2 000转染CHO ( dhfr - ) 细胞.
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The products of TS gene and DHFR gene were 403 and 273 bp respectively.
结果卡氏肺孢子虫TS基因和DHFR基因的扩增产物分别为403和273bp。
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