Poly(vinyl alcohol) as a blocking agent in enzyme immunoassays.

Abstract:

:We examined the blocking ability of poly(vinyl alcohol) (PVA) in enzyme immunoassays by coating polystyrene microtiter wells with PVA of different molecular weights (MW) and percent hydrolysis (%Hyd). Blocking ability was measured by the differences in non-specific binding of an anti-rabbit IgG-horseradish peroxidase conjugate to coated and uncoated wells. PVA with a MW of 124,000-186,000 and > 99 %Hyd was the most effective in suppressing the binding of the conjugate. This PVA at 0.5% (w/v) was significantly better at reducing non-specific binding than commonly used blocking agents and did not interfere with the specific binding of the conjugate to antigen-coated microtiter wells.

journal_name

Immunol Invest

authors

Rodda DJ,Yamazaki H

doi

10.3109/08820139409066836

subject

Has Abstract

pub_date

1994-11-01 00:00:00

pages

421-8

issue

6-7

eissn

0882-0139

issn

1532-4311

journal_volume

23

pub_type

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