Detection and quantification of chemical and biological environmental pollutants in low concentrations of potentially contaminated water present a major challenge for industries and environmental protection authorities required to monitor effluents and rapidly generate analytical data. UQ-based researchers are investigating wireless electrode technology using goldcoated nanoparticles to achieve ultra-low detection limits. Using a magnetic field, these electrodes are then captured and quantified at an electrode interface, electrochemically. This technology can separate analytes in solution; has the potential to lower detection limits for a diverse range of chemical and biological analytes; and has a faster response time compared to existing analytical technologies.

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