I'm sorry but I must have deleted the message....trigger-happy fingers on
the keyboard, you know...but can somebody please explain or e-mail what
David Tacha had to say about absorption?
My thanks in advance!

Keng Meng Khoo
Department of Biochemistry
Faculty of Medicine
National University of Singapore

> 3. Absorption. Here the primary Ab is reacted with its own antigen and
> the resulting mixture applied. Can't be done, as David Tacha quite
> rightly pointed out. Which is a shame because this would be a *true*
> negative control.
>
>