Multifrequency impedance measurement technique for wireless characterization of microbiological cell cultures.


An impedance measurement system with probe signal frequencies up to 50 kHz with AC-probe voltages below 30 mV rms was integrated for wireless and battery-free monitoring of microbiological cell cultures. The here presented modular design and the use of state-of-the-art components greatly eases adoptions to a wide range of biotechnological applications… (More)
DOI: 10.1063/1.3664614


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