Non contact RF characterization of structural changes of organic material

Non contact RF characterization of structural changes of organic material

Thi-Hong-Nhung Dinh Stéphane Serfaty Pierre-Yves Joubert 

Centre de Nanosciences et de Nanotechnologies (C2N), CNRS, Université Paris Sud, Université Paris Saclay, Bât. 220 F-91405 Orsay cedex

Systèmes et Applications des Technologies de l’Information et de l’Energie (SATIE), CNRS, Université Cergy Pontoise F-95000 Cergy-Pontoise cedex

Corresponding Author Email:,,
31 December 2016
| Citation



The paper reports on the implementation of an inductive RF sensing technique dedicated to the non-contact evaluation of the dielectric properties of organic materials. The contactless measurement technique is implemented for the dielectric monitoring of eggs and acidified milk solutions during jellification. The obtained results are compared to results provided by conventional invasive techniques and open the way to the development of easy-to-implement and non-invasive dielectric monitoring techniques of organic materials, with many prospects in agrifood as well as health monitoring.


inductive resonant sensor, radiofrequency dielectric characterization, non-contact sensing, non invasive measurement, organic material.

1. Introduction
2. Principe de la méthode de caractérisation diélectrique inductive sans contact
3. Mise en oeuvre expérimentale
4. Suivi des modifications structurelles de l’oeuf
5. Suivi de la formation de yaourts
6. Conclusion

Ce travail a bénéficié d’un support financier du LabeX LaSIPS (ANR-10-LABX-0040-LaSIPS) organisé par l’Agence nationale de la recherche dans le cadre du programme « Investissements d'avenir » (n°ANR-11-IDEX-0003-02).


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