How Trypan Blue Works?

Trypan blue is a diazo dye that is widely used as a vital stain to selectively color dead tissues or cells blue. Due to its highly negatively charge nature, it is excluded from the intact cell membrane of viable cells. ... Once inside cell, trypan blue binds to intracellular proteins and render the cells a blue color.

What does trypan blue do?

Trypan blue is a cell impermeant stain used to estimate the number of dead cells in a viable population. Its utility is based on the fact that it is a charged dye and does not enter cells unless the membrane is compromised.

What is the mechanism of trypan blue?

Trypan blue is a diazo dye that has been widely used to color dead tissues or cells selectively. The mechanism of trypan blue staining is based on it being negatively charged and not interacting with cells unless the membrane is damaged.