A study of deoxyribonucleoprotein fibers by a modified freeze-replica method.
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概要
- 論文の詳細を見る
Deoxyribonucleoprotein (DNP) is extracted from calf thymus. The DNP solution is sprayed onto a specially designed specimen holder which is precooled with liquid nitrogen. The frozen specimen is deeply etched by rewarming upto -90°C at 1×10-5 Torr, and subsequently shadowed with platinum-palladium. The freezereplica of the DNP is examined under an electron microscope. The DNP fibers with a mean diameter of 183Å are formed by a coiling of fine fibrils, 23Å in mean diameter.
- 日本学士院の論文
著者
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FUJIKAWA Seizo
The Institute of Low Temperature Science, Hokkaido University
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Nakanishi Yuh
Department Of Experimental Radiobiology
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NEI Tokio
The Institute of Low Temperature Science, Hokkaido University
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