Chemical action of x-rays on nucleic acids and related substances in aqueous systems.  1.  Degradation of nucleic acids, purines, pyrimidines, nucleosides and nucleotides by x-rays and by free radicals produced chemically.
D005609:Free Radicals; D009696:Nucleic Acids; D009705:Nucleosides; D009711:Nucleotides; D011687:Purines; D011743:Pyrimidines; D014965:X-Rays
D005609:Free Radicals; D009696:Nucleic Acids; D009705:Nucleosides; D009711:Nucleotides; D011687:Purines; D011743:Pyrimidines; C030985:purine
NUCLEIC ACIDS; ROENTGEN RAYS/effects