ON-CHIP IMPEDANCE SPECTROSCOPY OF pH-RESPONSIVE POLYELECTROLYTE MICROCAPSULES
نویسندگان
چکیده
We report on the characterisation of pH-responsive polyelectrolyte microcapsules based on the measurement of their electrical impedance. A microfabricated impedance spectrometer was used to measure the properties of individual capsules. We show the ability of the system to discriminate between different capsule compositions and detect changes in size and dielectric properties of pH responsive microcapsules.
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