Becton Dickinson and Company Limited

Jeffrey H Bruton

Stephen J Lovell

An indirect assay for analyte employs a particle derivatized with a plurality of molecules of one or more compounds to increase assay sensitivity. In an indirect sandwich assay format, at least one of the compounds is a binder for the analyte, and the tracer is comprised of a binder for at least one of the compounds on the particle. In this manner, a plurality of tracer molecules may be indirectly bound to a single analyte molecule which is bound in a complex formed in the assay.

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Randallstown, MD, United States of America

Jeffrey H Bruton