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Yu, Wenbo; Knauer, Maria; Kunas, Christoph; Acaroz, Ulas; Dietrich, Richard; Märtlbauer, Erwin (2017): A gold nanoparticles growth-based immunoassay for detection of antibiotic residues. In: Analytical Methods, Vol. 9, No. 2: pp. 188-191
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Abstract

A quantitative immunosensor for determination of cloxacillin in foodstuffs was developed by combining glucose oxidase controlled growth of gold nanoparticles (AuNPs) with an indirect competitive enzyme-linked immunosorbent assay. The AuNPs growth-based approach allowed quick visualization of the results with the naked eye when the concentration of cloxacillin exceeded 11 ng mL(-1).