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  • Title: Effect of polymers on enhanced chemiluminescent assays for peroxidase and peroxidase labels.
    Author: Ji X, Kricka LJ.
    Journal: J Biolumin Chemilumin; 1996; 11(6):303-7. PubMed ID: 9343314.
    Abstract:
    Hydroxypropyl methylcellulose, hydroxyethyl cellulose, and hydroxybutyl methylcellulose stabilized light emission in a boronic acid-enhanced chemiluminescent assay for horseradish peroxidase. The stabilization of light emission was concentration-dependent and more effective with substituted boronic acid enhancers (e.g. 4-iodophenylboronic acid) than with substituted phenol enhancers (e.g. 4-iodophenol). Hydroxybutyl methylcellulose improved the linearity of the dose-response curve in a peroxidase-based antioxidant assay and stabilized light emission post-consumption of the antioxidant (Trolox). This polymer had no effect on the signal from a peroxidase label immobilized on a membrane (dot blot) or on the inside surface of a microwell in an enzyme immunoassay for thyrotropin.
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