[Use of rare-earth elements as labels for studying biologically active compounds. IV. Luminescence spectra and structure of compounds of europium with nucleotides]. / Primenenie redkozemel'nykh élementov kak metki dlia issledovaniia biologicheski aktivnykh soedinenii. IV. Spektry liuminestsentsii i stroenie soedinenii evropiia s nukleotidami

ABSTRACT

Spectra of europium coordinating nucleotides are investigated. Europium is shown to coordinate phosphate, but the way of coordination may change. Conditions of nitrogen bases coordination are determined. The evidence or the existence of coordinated immobilized water is found.