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Polyelectrolyte multilayer microcapsules with entrapped horseradish peroxidase (HRP) have been prepared via a layer-by-layer (LbL) self-assembly strategy of polycation and polyanion on CaCO 3 microparticles as templates. Preparation conditions have been studied and optimized. Within the investigated ranges, use of buffer solutions with lower pH value or lower ionic strength in the buffer solution...
Uricase (UOx) and polyelectrolyte were used for preparation of a permselective multilayer film and enzyme multilayer films on a platinum (Pt) electrode, allowing the detection of uric acid amperometrically. The polyelectrolyte multilayer (PEM) film composed of poly(allylamine) (PAA) and poly(vinyl sulfate) (PVS) were prepared via layer-by-layer assembly on the electrode, functioning as H 2 ...
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