The off-the-clot human male AB serum is collected from blood that is allowed to coagulate naturally after collection, so there are no anticoagulants or preservatives.

• Recommended for pre-clinical through clinical workflows
• 0,1 µm sterile-filtered

Off the clot human serum AB is collected from normal healthy male donors at FDA-licensed facilities in the United States. As a natural off the clot product, this material contains no anticoagulants/preservatives. All donor units are tested for viral markers and found to be non-reactive.