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Interpreting ELISA test results - (Jun/03/2010 )


I am wondering what is the relationship (mathematical, statistical, or otherwise), if such a relationship exists between the output luminescence/absorbtion and the antigen/antibody consentration in the test sample.
(Please excuse any ingnorance on my part, as this is not my field of training)


Edit: Also is there a direct relationship between number of antigens/antibodies and the actual viral load (higher numeber of antigens represents a higher viral load) if an ELISA test used for HIV detection.


here is an example of plot for a cancer marker:

here is example of curve for HIV ag p24


Thanks for your help ;)