介绍了胶体金标记技术，并就其在细胞和分子生物学研究方面的应用做了简单概述。
The colloidal gold-labeled method was introduced, and its application was summarized in cell and molecular biology.
所有大鼠首先行蛛网膜下腔置管，然后在相当于T8椎板水平用做好标记的显微剪刀剪断脊髓的背侧2/3，建立大鼠皮质脊髓束横断损伤模型。
All rats first line of subarachnoid catheter, then the equivalent of T8 vertebral level and marked with micro scissors cut the spinal cord dorsal 2/3 rat corticospinal tract transection injury model.
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