目的对比观察正常培养、NMDA损伤及MK-801保护皮层神经元膜表面三维构象形貌改变.方法分别应用光镜、扫描电镜和分辨率为0.1~0.01 nm的原子力显微镜(atomic force microscope,AFM)对戊二醛固定的正常原代培养大鼠皮层神经细胞膜,NMDA损伤及MK-801保护后神经元膜表面进行纳米尺度的扫描观测,结果进行比较.结果正常神经元膜表面光滑,起伏均匀,隆起的颗粒状蛋白密集
The performance of concrete with a new admixture MX was studied by using the freeze-thaw cycle, permeability and chemical attack test. The experimental results