The application of nanomaterials in electrochemical sensors and biosensors

TL;DRAbstract

Nanotechnology has recently become one of the most exciting forefront fields in analytical chemistry. A wide variety of nanoscale materials of different sizes, shapes and composltlons at the 1-100 nm scale, are now available. Metal and polymeric nanoparticles were applied in this work for desigining novel sensing systems, enhancing the perfomance of bioanalytical assays and improving the visualisation of biointeractions ocurring on sensing surfaces.
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\nA novel nanoparticulate formulation of the condructing polymer polyaniline (PANI) was applied foi the development of a chemlcal sensor device capable of detecting both ascorbic acid and hydrogen peroxide. The "nanoPANI"-modified electrode showed enhanced electrocatalysls over tradltlonal bulk PAN1 films for hydrogen peroxide. lnkjet printing deposition of this highly processable nanomatcrial onto screen-printed electrodes was also demonstrated for simple and rapld sensor device production.
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\nAn enzyme-channelling sys

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