Zina Fredj
Postdoctoral Fellow 

  • 2019 Ph.D University of Sousse


  • 2015 M.S University of Sousse


  • 2013 B.S. University of Sousse



Zina Fredj received her bachelor’s degree in Electrical Engineering in 2013 and master’s degree in Embedded Electronics in 2015 from the University of Sousse, Tunisia. In 2019, she obtained her PhD degree in Physics engineering in collaboration with the Institute of Technology Tallaght (Dublin, Ireland), the Biosensors and Bioelectronics Center (Linkoping- Sweden), the Institute of Analytical Sciences (Lyon- France), and the University of Technology (Chemnitz-Germany). In her thesis, she was focusing on the development of electrochemical biosensors for cancer biomarkers detection. She completed a postdoctoral fellowship at the Microelectronics and Nanotechnology research center (Sousse- Tunisia). Currently, Dr. Fredj is a Postdoctoral Fellow in CenBRAIN Neurotech.

Research Interests and Project 

Dr. Fredj’s research interests cover the design and implementation of nanoscience-based biosensors. These biosensors are based on the integration of biological molecules as receptors with micro- and nano-structures and intended for applications in environmental and biomedical areas. Presently, she is designing, implementing, and testing structures for neural cells and various neurotransmitters manipulation and detection.

Representative Publications

[1] Z. Fredj, M. Ben Ali, M. N. Abbas, and E. Dempsey, “Determination of prostate cancer biomarker acid phosphatase at a copper phthalocyanine-modified screen printed gold transducer,” Anal. Chim. Acta, vol. 1057, pp. 98–105, May 2019, doi: 10.1016/j.aca.2018.12.058.

[2] Z. Fredj, M. Ali, B. Singh, and E. Dempsey, “Simultaneous voltammetric detection of 5-hydroxyindole-3-acetic acid and 5-hydroxytryptamine using a glassy carbon electrode modified with conducting polymer and platinised carbon nanofibers,” Mikrochim. Acta, vol. 185, no. 9, p. 412, Aug. 2018, doi: 10.1007/s00604-018-2949-5.

[3] Z. Fredj, S. Azzouzi, A. P. F. Turner, M. B. Ali, and W. C. Mak, “Neutravidin biosensor for direct capture of dual-functional biotin-molecular beacon-AuNP probe for sensitive voltammetric detection of microRNA,” Sens. Actuators B Chem., vol. 248, pp. 77–84, Sep. 2017, doi: 10.1016/j.snb.2017.03.160.

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