Two‐quantum selective laser scission of polyadenilic acid in the complementary complex with a dansyl derivative of oligothymidilate
- 29 October 1983
- journal article
- Published by Wiley in FEBS Letters
- Vol. 163 (1) , 144-149
- https://doi.org/10.1016/0014-5793(83)81182-x
Abstract
Nonathymidilate was synthesized containing the chromophore (dansyl) group linked to its 5'-phosphate. In the presence of this compound the polyadenilic acid molecules are split by the radiation (power density J ⪖ 70 MW/cm2) of a nitrogen laser, while under the same conditions poly(C) and poly(U) are hardly affected. This selective optically non-linear effect was predicted and is explained in terms of radiativeless transfer of two-quantum excitation of the chromophore which is fixed in poly(A) molecule due to the formation of the complementary complex with nonathylmidilateKeywords
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