collagenase

Methods To incubate the caries free permanent teeth with acid gelatinoid and/or collagenase, then to observe the ultrastructural change of root surface under scanning electron microscope .

方法将无龋恒牙分组经酸和酶分同孵化处理后切割制样,脱水干燥,喷金,扫描电镜观察根面超微结构的变化。

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.

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