Use of PVP in ELISA

Isla Browning browning at
Mon Mar 20 06:29:54 EST 1995

As suggested by Bioreba we use polyvinylpyrrolidone in extraction and =

conjugate buffers when carrying out ELISA for detection of virus in 
plant sap. I would be grateful if someone could enlighten me as to why =

 it is used . Is its action as a blocker or as an antioxidant or does =
it have 
some other function?

Isla Browning

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