I.W. Tremont Cotton paper card, ultra purity, Dried blood spot, 3 x 4 inch, research only, 50 pc/PAK

Dried Blood Spot Cellulose Paper is a high purity alpha cotton linter absorbent filter paper specifically formulated to yield a stable DNA, RNA and protein biomarker matrix for quantitative analysis. Surface texture, absorption rate and formation have been optimized for the Guthrie test.