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用傅里叶变换红外光谱仪分析了坐骨神经损伤后Ｌ４－６脊髓节段腹角区域红外光谱变化，观察结果表明，损伤后８小时至３天以及１０天损伤侧显示磷酸二酯在团ｖａｓＰＯ２－和ｖｓＰＯ２－的１２４０ｃｍ－１和１０８０ｃｍ－１谱线明显增强；而且损伤后１０天１０８０ｃｍ－１谱线增强幅度较大。提示损伤引发了神经组织核酸（ＤＮ和ＲＮＡ）合成的增加。显示酰胺Ⅰ（ａｍｉｄｅⅠ）的１６５２ｃｍ－１谱线于损伤后３天增强，而１天和１０天减弱，揭示损伤引起的神经元蛋白质含量和结构的变化是非常复杂的。
Fourier transform infrared spectroscopy analysis of the sciatic nerve injury L4-6 spinal cord segments after the ventral region of the infrared spectral changes, the results showed that 8 to 3 days after injury and 10 days injury side showed phosphodiester in the vasPO2- and vsPO2-1240cm-1 and 1080cm-1 line was significantly enhanced; and 10 days after injury, 1080cm-1 line amplification greater. Suggesting that injury triggers an increase in the synthesis of nerve tissue nucleic acids (DN and RNA). The 1652 cm-1 line showing amide I increased 3 days after injury and weakened at day 1 and 10, revealing that the changes in neuronal protein content and structure caused by injury are very complex.