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A calibration technique as well as measurement results for a 7 GHz Biosensor are presented. It is shown that the applied sensor structure can be calibrated by adjusting the phase of a sensing element's transmission S21. This is realized by slowing down the wave traveling a microstrip line serving as a reference in the differential sensor structure. The dielectric properties along with certain physical...
Experimental results of contactless and label-free characterization techniques of cell cultivation are presented. The two demonstrated approaches are compared at two frequencies, 7 GHz and 240 GHz in terms of sensitivity and applicability. At 7 GHz, measurements have been performed using a rat-race based characterizing system. Furthermore, the sensitivity of spectroscopy measurements at 240 GHz has...
Experimental results of contactless and label-free characterization techniques of cell cultivation are presented. The two demonstrated approaches are compared at two frequencies, 7 GHz and 240 GHz in terms of sensitivity and applicability. At 7 GHz, measurements have been performed using a rat-race based characterizing system. Furthermore, the sensitivity of spectroscopy measurements at 240 GHz has...
Experimental results of contactless and label-free characterization techniques of cell cultivation are presented. The two demonstrated approaches are compared at two frequencies, 7 GHz and 240 GHz in terms of sensitivity and applicability. At 7 GHz, measurements have been performed using a rat-race based characterizing system. Furthermore, the sensitivity of spectroscopy measurements at 240 GHz has...
Experimental results of contactless and label-free characterization techniques of cell cultivation are presented. The two demonstrated approaches are compared at two frequencies, 7 GHz and 240 GHz in terms of sensitivity and applicability. At 7 GHz, measurements have been performed using a rat-race based characterizing system. Furthermore, the sensitivity of spectroscopy measurements at 240 GHz has...
A passive microwave sensor based on microstrip lines for characterizing cell cultivation in aqueous compartments is presented. The proposed design methodology leads to a highly sensitive biosensor structure, which is fabricated on Rogers 3003 material. It is shown that a sufficiently high sensitivity is achieved to monitor the cultivation stadium of a yeast culture based on detection of permittivity...
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