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Highly sensitive characterization of glucose ...
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Document type :
Article dans une revue scientifique
DOI :
10.1016/j.sna.2017.10.029
Title :
Highly sensitive characterization of glucose aqueous solution with low concentration: Application to broadband dielectric spectroscopy
Author(s) :
Lin, Tianjun [Auteur]
Microtechnology and Instrumentation for Thermal and Electromagnetic Characterization - IEMN [MITEC - IEMN]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Gu, Sijia [Auteur]
Microtechnology and Instrumentation for Thermal and Electromagnetic Characterization - IEMN [MITEC - IEMN]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Lasri, Tuami [Auteur] refId
Microtechnology and Instrumentation for Thermal and Electromagnetic Characterization - IEMN [MITEC - IEMN]
Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 [IEMN]
Journal title :
Sensors and Actuators A: Physical
Pages :
318-326
Publisher :
Elsevier
Publication date :
2017-11-01
ISSN :
0924-4247
English keyword(s) :
Complex permittivity
Glucose aqueous solution
Broadband characterization
Interferometer
NFMM EMP
Debye model
One-port calibration
HAL domain(s) :
Sciences de l'ingénieur [physics]
English abstract : [en]
In this paper we present the investigation results on the dielectric properties of glucose aqueous solutions over a large frequency band spanning from 2 to 18 GHz. The characterization at room temperature (25 °C) of solutions ...
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In this paper we present the investigation results on the dielectric properties of glucose aqueous solutions over a large frequency band spanning from 2 to 18 GHz. The characterization at room temperature (25 °C) of solutions whose concentration varies from 0 to 10 mg/ml is achieved by using an interferometer based near-field microwave microscope (NFMM). The reflection coefficient measured from the evanescent microwave probe (EMP) is mixed with the signal generated from the impedance tuner and therefore recognized to be varied with the glucose concentration. A sensitivity of, at least, 0.15 dB/(mg/ml) and 0.5°/(mg/ml) is demonstrated on the entire frequency range of interest. The best sensitivity being attained for 2 GHz with a maximum value of 0.54 dB/(mg/ml) for the magnitude and 1°/(mg/ml) for the phase shift. We demonstrate that the complex permittivity retrieved from NFMM measured data is in an excellent agreement with the ones estimated by using the Debye model in the investigated frequency range.Show less >
Language :
Anglais
Peer reviewed article :
Oui
Audience :
Internationale
Popular science :
Non
Collections :
  • Institut d'Électronique, de Microélectronique et de Nanotechnologie (IEMN) - UMR 8520
Source :
Harvested from HAL
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