medical Definition of aptamer
- This aptamer works by binding and blocking a major molecule involved in the body's blood-clotting reaction, called thrombin.
- —Debora MacKenzie, New Scientist, 6 Oct. 2006
- Aptamers … are isolated by … the repetitive screening of large pools of randomized molecules for those that bind best to a target.
- —Chemical & Engineering News, 15 Mar. 1993