Conclusions Getting the villi of 45-55 days pregnancy by uterine curettage, we can obtain the chorial trophcytes by trypsin or DNA enzyme digest.

结论取人妊娠45～55刮宫术后的绒毛，甲胰蛋白酶消化可得到绒毛滋养层细胞。

In this study, zein, a very abundant and cheap crop in China was hydrolyzed by thermolysin, chymotrypsin, trypsin and alkaline protease for processing antihypertensive peptides.

本实验以我国来源丰富且价格低廉的蛋白为原料,选用嗜热菌蛋白酶、胰凝乳蛋白酶、胰蛋白酶和碱性蛋白酶等4种酶来水蛋白制备降血压肽。

Methods The sciatic and brachial plexus nerve of three-day-old SD mice was treated with collagenase type IV and trypsin to remove the desmocyte on the Schwann cell, then explanted in the culture disk.

先用IV型胶原酶和胰蛋白酶消化出生3的SD鼠臂层神经和坐骨神经组织块后再将组织块贴壁培养。