preimpregnated en · ADJ
Etymology
From pre- + impregnated.
Meanings
-
(not-comparable) impregnated prior to some other operation
The last plasma sample was obtained after a further 90 min. vP (30 μl) was immediately spotted onto preimpregnated filter cards as described above, and a further 60 μl of plasma was frozen in centrifuge tubes without additives until extraction.
2015 November 26, “Quantitation of 5-Methyltetrahydrofolic Acid in Dried Blood Spots and Dried Plasma Spots by Stable Isotope Dilution Assays”, in PLOS ONE, →DOI: