Word: dnp
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Dates: during 1950-1959
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...Sanger tried treating the insulin molecule gently, succeeded in breaking it into large chunks. He separated the fragments and labeled the amino acids on their ends by making them combine with a material called DNP (for dinitropheny). When he broke the fragments into smaller fragments, the amino acids that had been in the end positions were stained yellow with DNP. There are 51 amino acid units in insulin, a comparatively simple protein. But Sanger's patience and skill eventually found the place of each in the long chain. Then he reassembled the fragments and learned how the chain...
...purge the opposition list of objectionable men. To Home Minister Paik Han Sung he sent a note listing three of the most objectionable: Assembly Chairman P. H. Shinicky, Vice Chairman Cho Bong Am, and former Home Minister Chough Pyung Ok-all members of the Democratic Nationalist Party (DNP). Minister Paik in turn set his remarkably efficient police force to "investigating" Shinicky, Cho and Chough. With election day less than a fortnight away, all three candidates seem to have been effectively eliminated from further competition...
...DNP Leader Shinicky reported that because of police intimidation, he has not yet worked up sufficient nerve even to visit Kwangju-the little town 15 miles east of Seoul where he is standing for reelection...
...total of 50 DNP and Independent candidates also prudently withdrew their candidacy for reasons of "personal safety," and the DNP was threatening to boycott the elections entirely. Rhee, chiding DNP leaders for not yet making good their threat, intimated that nothing would please him more...