Background: The use of dried blood spot (DBS ... venous blood (WB), capillary blood (capDBS) and venous blood placed on the matrix paper (venDBS), by turbidimetric inhibition immunoassay.

A recent study from North Carolina State University finds that “dry blood spot” sampling, or DBS, is comparable to techniques that use larger blood samples and require immediate cold storage ...

Dry blood is a bit more difficult to remove ... Blot any excess blood with a paper towel. Dont scrub, as that will spread the ...