Trypan blue is a protein staining azo dye used for vital staining (vitality test of cells), based on its selective ability to pass membranes of damaged cells. Used for polychromatic staining, e.g. to visualise collagen fibres in connective tissue.
Kleuring | dead cells blue |
Toepassing | vitality test |
Dye content | ≥60 % |
Loss on drying | ≤10 % |
Absorption max. (50:50 H2O:ethanol) | 590-610 nm |