Immunoassay

Question 1

What do antibodies do?

Answer 1

Identify foreign proteins (antigens) and flag them for destruction

Question 2

What can antibodies be used to detect?

Answer 2

Both the presence and concentration of a protein within a solution

Question 3

What must the antibody used in immunoassay be linked to?

Answer 3

A detectable label to allow scientists to detect when binding has occurred.

Question 4

What may detectable labels be in the form of?

Answer 4

A reporter enzyme which causes a colour change in the presence of a specific antigen