[40] Diaminobenzidine (DAB)

Question 1

What does DAB stand for in the context of staining?

Answer 1

Diaminobenzidine

Question 2

What is the primary use of Diaminobenzidine (DAB)?

Answer 2

It’s primarily used as a chromogen in immunohistochemistry.

Question 3

What color does Diaminobenzidine (DAB) produce in staining?

Answer 3

Brown

Question 4

Is Diaminobenzidine (DAB) light-resistant?

Answer 4

Yes, it’s light-resistant, making it ideal for long-term storage of stained samples.

Question 5

Can Diaminobenzidine (DAB) be used for light microscopy and electron microscopy?

Answer 5

Yes, DAB is versatile and can be used for both light microscopy and electron microscopy.

Question 6

What happens to Diaminobenzidine (DAB) in the presence of the enzyme peroxidase?

Answer 6

In the presence of the enzyme peroxidase, DAB oxidizes and produces a brown precipitate.