Ponceau S

Descrição detalhada : 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 acid2% Ponceau S (w/v) in 30% TCA, 30% sulfosalicylic acid
Sinónimos : 3-Hydroxy-4-(2-sulfo-4-[4-sulfophenylazo]phenylazo)-2,7-naphthalenedisulfonic acid sodium salt
Fórmula molecula r: C22H12N4Na4O13S4
Armazenamento : room temp
Embalagem : 1X50G