An antibody is any protein that is released in the body in direct response to infection by an antigen.
Secondly, this membrane sheet is treated with a solution containing an antibody to the protein of interest.
An antibody is a protein which recognises a foreign molecule, known as an antigen.
If you've already had it, your body has produced antibodies that fight the virus if you come into contact with it again.
But if you have hay fever, your body produces antibodies in response to pollen.
When exposed to an antigen, that is a virus or a bacterium, the body produces antibodies .
You have an immune response to the vaccine as your body develops antibodies to the virus.
There were always free antibodies; there were antibodies in the blood for some weeks.
In MS, the fluid may contain white blood cells, high levels of protein and certain antibodies .
HIV infection is detected using a blood test that looks for antibodies created by the body as it tries to fight the virus.