Not available outside of the UK & Ireland.

Application

Tween 20 is used for: solubilizing membrane proteins during isolation of membrane-protein complexes. a subsequent protein detection by UV light absorption, due to its low UV absorbance. ELISA (enzyme-linked immunosorbent assay) and immunoblots.

General description

Tween 20, also referred to as poly(oxyethylene)_n-sorbitan-monolaurate, is a non-ionic surfactant. It is mainly used in membrane research.

Legal Information

TWEEN is a registered trademark of Croda International PLC

Other Notes

For life science research only. Not for use in diagnostic procedures.

Physical form

10% (w/v) aqueous solution under nitrogen, supplied in injection glass bottles.

Preparation Note

Working concentration: >10 mg/mg membrane lipid

Quality

Purity: ﹤2 ppm peroxide content (as H₂O₂), ﹤200 µM carbonyls, ﹤100 µS conductivity. Specially purified for membrane research.