Blood samples were drawn into either: 1) EDTA tubes, 2) Competitor tubes or 3) Norgen's cf-DNA/cf-RNA Preservative Tubes and stored at room temperature. Aliquots of blood were removed at the ...

From a fresh EDTA blood sample, DNA is extracted directly and the target region ... For RNA based testing, a whole blood specimen should be provided in an EDTA vacutainer tube within 60-72 hours to ...

Blood samples can be stored in microtainer tubes containing lithium heparin or ethylene diamine tetraacetic acid (EDTA). Although complete blood counts can be analyzed using samples treated with ...

Calcium EDTA is the best anticoagulant to preserve ... blood into syringes containing heparin or by placing whole-blood samples into tubes containing heparin. Injectable heparin is typically ...