Effect of fixation time on measurement of 2'-deoxyribonucleoside 5'-triphosphate pools in the rat embyro.
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ABSTRACT: Values for the concentrations of deoxyribonucleoside triphosphates in rat embryos on day 12 of gestation, determined by high-pressure liquid chromatography, were artifactually two to three times as high in embryos fixed by cooling in ice/water followed by freezing on solid CO2, in 20s, as in those more rapidly/fixed in liquid N2, in 1 s.
SUBMITTER: Ritter EJ
PROVIDER: S-EPMC1186684 | biostudies-other | 1979 Jun
REPOSITORIES: biostudies-other
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