Medical Definition of aptamer
: a short segment of DNA, RNA, or peptide that binds to a specific molecular target (such as a protein) 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
Love words? Need even more definitions?Merriam-Webster unabridged
- Where Does 'Run-of-the-Mill' Come From?
- The Provenance of 'Providence'
- The Good, The Bad, & The Semantically Imprecise - 8/16/19
- Lovelock to Trichologist: 8 Words About Hair
- On Contractions of Multiple Words
- A Look at Uncommon Onomatopoeia
- Is Singular 'They' a Better Choice?
- Summer 2019 Words of the Day Quiz Take the quiz
- Obscure Shapes Take the quiz
- Name That Thing Take the quiz
- Syn City Play the game