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Development of electrochemical impedance biosensor with reliable detection output is important for bringing the technology to use in real world applications. The use of increase in charge-transfer resistance, a component of faradaic impedance, as indicator of analyte-sensor interaction is one of the conventional approaches of data interpretation. However, while charge-transfer resistance is very sensitive,...
There is a growing need for new biosensing technologies that are more rapid and convenient to use for onsite sensing. Impedance-based electrochemical sensor is a promising candidate due to simplicity of its sensing mechanism. However, like other emerging biosensors, specificity, sensitivity, and reliability are major obstacles that limit their use in real-life applications. Electrode geometry and...
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