The color of gold: Bacterial β-lactamases (Blas) can be rapidly identified by a simple and specific colorimetric assay with gold nanoparticles (Au-NPs). This assay can evaluate enzymatic kinetic reactions and screen inhibitors of Blas in real time, and offers a simple and economical method for the rapid detection of β-lactam resistant bacteria in clinical studies.
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Liu et al. (2007) studied this question.
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