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In recent years, quartz crystal microbalance (QCM) plays an important role in many biological detections, and the enhancement of a single strain DNA probe linked to the sensor surface is of crucial importance in DNA molecule recognition. By means of nanogold modification and mass amplification, a QCM biosensor for Escherichia coli O157:H7 DNA detection was explored and developed in this work. As a...
We present a novel nanostructured micro cell chip with impedance spectroscopy for monitoring cell morphology change non-invasively, in real time and independent of any fluorescent or radioactive probes. The key strategy is to integrate the nanoporous alumina membrane with silicon based microfluidic devices for the impedance monitoring. In this configuration, the impedance of even single cell can be...
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