Base

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Related to purine bases: nucleoside, DNA, pyrimidine bases

BASE. Something low; inferior. This word is frequently used in composition; as base court, base estate, base fee, &c.

A Law Dictionary, Adapted to the Constitution and Laws of the United States. By John Bouvier. Published 1856.
References in periodicals archive ?
As such, fecal VFA concentration of the TF treatment increased by 33% (p = 0.07) compared with the Con treatment, while purine bases numerically also increased by 13% (p = 0.49).
It should be noted that retardation of purine bases is independent on concentration of SDS and Tween-80 in eluent: the [R.sub.f] value being practically unchanged by using submicellar and micellar surfactant solution.
Contribution of dietary nitrogen and purine bases to the duodenal digesta: comparison of duodenal and polyesterbag measurements.
Although scientists have shown that the purine bases, adenine and guanine, form readily under simulated early Earth conditions, they have also noted that the pyrimidine bases, cytosine and uracil, do not.
Broderick and Merchen [3] regarded purine bases as one of the best internal markers.