易混淆的单词： DNAsedNase

Tips are certified sterile , dnase - , rnase - , and pyrogen-free to prevent sample contamination .

吸头经过消毒，无脱氧核糖核酸酶，无核糖核酸酶，无热原，可防止样本受到污染。

Tissue culture plates are normally sterile , while other plates will be rnase and dnase free .

组织培养板通常是无菌的，而其他板块将酶和酶自由。

Methods testicular sertoli cells from2to3-week-old male wistar rats were prepared by digestion with collagenase , trypsin and dnase and cultured together with active lymphocytes to observe their killing effect against lymphocytes .

方法取2-3周龄大小的wistar雄性大鼠，应用胶原酶、胰蛋白酶及脱氧核糖核酸酶消化制备大鼠睾丸支持细胞，体外与活性淋巴细胞共同培养，了解其对淋巴细胞的杀伤作用。