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Enhancement of the Photolysis of Nucleic Acid Monomers by Phosphates
Author(s) -
Wang Kongjiang,
Pan Xianming,
Wu Jilan,
Wang Wenqing
Publication year - 1997
Publication title -
photochemistry and photobiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.818
H-Index - 131
eISSN - 1751-1097
pISSN - 0031-8655
DOI - 10.1111/j.1751-1097.1997.tb01907.x
Subject(s) - photodissociation , nucleic acid , chemistry , radical , monomer , photochemistry , nucleotide , phosphate , irradiation , mercury (programming language) , yield (engineering) , mercury vapor lamp , filter paper , ultraviolet , organic chemistry , chromatography , biochemistry , polymer , materials science , physics , optoelectronics , computer science , nuclear physics , metallurgy , gene , programming language
— In the tentative simulation of prebiotic synthesis, it was found that the photolysis yield of nucleic acid bases, nucleosides and nucleotides (NA) undergoing UV irradiation was sharply enhanced by added orthophosphate. Filter experiments demonstrated that the enhancement is due to UV quanta of wavelength less than 215 nm in the emission spectrum of a medium pressure mercury lamp. The phosphate‐induced enhancement of the photolysis of NA constitutes an additional channel of nucleic acid monomer degradation through their interaction with photoionized phosphate radicals.