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We present microcantilever-based sensors for the characterization of biopolymer degradation by enzymes. Thin films of Poly(L-lactide) (PLLA) were spray-coated onto SU-8 cantilevers with well-known material properties and dimensions. The micromechanical sensors were immersed in solutions of proteinase K to investigate enzymatic degradation of PLLA. A decrease of the resonance frequency after immersion...
We present all-polymer resonant microbeams which can detect the adsorption of streptavidin and DNA on the surface in aqueous solution with a high selectivity. The polymer surface allows the direct functionalization with the receptor biomolecules without intermediate Au-layer. The highly sensitive resonant microbeams offer a low-cost system for disposable and label-free biosensing applications. Minimal...
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