Ion exchange chromatography showed that all three capsules eluted as one major and several small peaks.

 
  • 离子交换色谱显示,3种荚膜的活性部分均有一蛋白主峰和若干个小蛋白峰,主峰由蛋白和多糖构成,其比值分别为8.9:1,9.0:1,6.5:1。
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