...纯化培养及COS-7 细胞的维持 所取皮肤经胰酶消化，常规培养传代纯化至第2 代，该代 胚胎成纤维细胞（embryonic fibroblast cell，EFC）备用基因转 染。
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In fact, the scientists had mapped only a certain portion of the epigenomes of two cell types (an embryonic stem cell and another basic cell called a fibroblast).
事实上，科学家仅仅绘制了两种细胞外基因的某一部分而已。
A new technique used to detect HAAg in human diploid embryonic lung fibroblast ( HDLF ) cell culture was developed.
利用生物素-亲和素生物放大系统的原理，建立了新的检测细胞培养的甲型肝炎病毒抗原的方法。
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