Perms , chemistry

Investigations in the field of heterocyclic chemistry at Perm University 92MI42. 

Thiols (RSH) are easily oxidized, by air. for example, to disulfides (RS-SR). This chemistry of cysteine is used by hairdressers to give perms or permanent waves. The hair proteins are first reduced so that any disulfide cysteine to cysteine) cross-links within each strand are reduced to thiols. Then the hair is styled and the final stage is the... 

In addition to advances in the chemistry of triplex formation, a number of studies have dxwn results in cells consistent with triplex formation in chromosomal DNA (39,44-46). Peptide nucleic acids have been shown to be of particular value for triplex interactions because cf the relatively high affinity of this modification. They have been shovm to inhibit transcription initiation and elongation, to Hock DNA polymerases (47-49), and to inhibit binary of a number of proteins to DNA (50).Dimeric PNAs have been created that are reported to form PNA/DNA/PNA triplexes and these have been shown to induce gene-targeted mutations in streptolysin-o perme-abilized cells (39). 

Institute of Technical Chemistry, Acad. Sci. RF, Perm, Russia... 

Kozlov, G. V. Bejev, A. A. Shustov, G. B. Lipatov, Yu. S. The features of epoxy polymers curing in fractal space. Theses of Reports of 7-th International Conf. by Chemistry and Physics-Chemistry of Oligomers Oligomers—2000 . Moscow-Perm -Chemogolovka, 4-8 September 2000,207. 

Vasiliy V. Tereshatov, Valery Yu. Senichev Institute of Technical Chemistry E.Ya. Denisyuk Institute of Continuous Media Mechanics Ural Branch of Russian Academy of Sciences, Perm, Russia... 

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