Tween-20 (polysorbate 20) is a polysorbate surfactant commonly used as a blocking and washing agent in Western blotting and other immunostaining assays. Tween-20 is typically included in blocking buffers and washing buffers at a concentration of 0.1% to reduce non-specific antibody binding. TWEEN is a registered trademark of Uniqema Americas LLC.
Source:
Synthetic
CAS Number:
[9005-64-5]
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