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Concentration and purification of enteroviruses by membrane chromatography.

机译:通过膜色谱法浓缩和纯化肠病毒。

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A simple procedure for the concentration and partial purification of enteroviruses from tissue culture harvests is described. After removal of acid-precipitating components with a cationic detergent, the detergent and most membrane-coating components were removed by treatment with a cationic-exchange resin. The resin effluent was then acidified, and the virus was adsorbed to epoxy-fiberglass membranes. Virus was then eluted with pH 11.5 glycine-NaOH buffer. Since this eluate contains no orgcentrated simply by acidifying the eluate and passing it through a smaller membrane than that used for the first concentration. As high as 500-fold concentrations can be achieved, with a high efficiency of recovery.
机译:描述了从组织培养物收获物中浓缩和部分纯化肠病毒的简单程序。用阳离子去污剂除去酸沉淀组分后,用阳离子交换树脂处理除去去污剂和大多数膜包衣组分。然后酸化树脂流出物,并将病毒吸附到环氧玻璃纤维膜上。然后用pH 11.5甘氨酸-NaOH缓冲液洗脱病毒。由于该洗脱液不包含任何酸化成分,只需通过酸化该洗脱液并使之穿过比用于第一浓缩液的膜更小的膜即可。可以实现高达500倍的浓度,而且回收效率很高。

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