デソキシペントース核酸のナトリウム塩とクルペイン硫酸塩からヌクレオクルペインの沈澱を得る條件について
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概要
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The solutions of sodium desoxypentosenucleate and clupein sulphate in 2M NaCl were mixed in various proportions, and each mixture was added with water to reduce the concentration of NaCl to 0.14 M. It was found from these experments that only when the weight ratio of clupein to nucleate was above 0.7, the long fibrous strands was formed, which had the same appearence and the same contents of both clupein and nucleate as natural nucleoclupein isolated from herring's sperm. When the ratio was between 0.3 to 0.7, amorphous precipitate was formed, whose composition was different from the natural nucleoclupein. And the lower the ratio of clupein to nucleate in the mixture, the lower the content of clupein in the precipitate formed and the smaller the amount of precipitate. There appeared on precipitate when the ratio was below 0.3.
- 宇宙航空研究開発機構の論文
- 1951-03-16