M-Clarity™ quality level = MQ200
P3504-100G
P3504-10G
P3504-50G
P3504-100GEA
289
EUR
InStock
P3504-100G
P3504-10G
P3504-50G
3-Hydroxy-4-(2-sulfonato-4-(4-sulfonatophénylazo)phénylazo)naphtalène-2,7-disulfonate de tétrasodium, Bioréactif pour l'électrophorèse, Sigma-Aldrich®
3-Hydroxy-4-(2-sulfonato-4-(4-sulfonatophénylazo)phénylazo)naphtalène-2,7-disulfonate de tétrasodium
Ponceau S is the sodium salt of a diazo dye. It is used to make a stain for rapid reversible staining of protein bands on nitrocellulose or PVDF membranes (Western blots) and also for staining protein on cellulose acetate membranes. The stain is reversed with water washes and aids in subsequent immunological detection. The following are two common stain formulations: 0.1% Ponceau S (w/v) in 5% acetic acid 2% Ponceau S (w/v) in 30% TCA, 30% sulfosalicylic acid.
- Ponceau S has been used for membrane staining (Western blotting)