Médéric LEQUEUX
Expertise
- Gold Nanostructures
- SERS
- Plasmonic
- QCM-D
- Molecular interaction
- Biosensor
PhD. Subject
Biodetection of small analytes with resonant nanostructures
This project is based on ANR project named Nanobiosensor, have for goal to make a QCM/SERS biosensor to sense small analytes. Development of transducer with nanostructures allow to obtain a better reproducibility and measurement reliability. Gold nanostructures allow me to acquire SERS measurement of molecule on the surface and identify it. Moreover, the nanostructures on quartz ship allow me to quantify how many molecules I have on the surface. The coupling of QCM/SERS allow me the access of identification, quantity and observation of small analyte.
This coupling has two main goal, the first is to improve the understanding of molecular interaction between streptomycin and the bioreceptor. And the second, the coupling of these two methods allow to develop a sensor to detect small analytes.
Characterization techniques
Raman spectroscopy, QCM-D, MEB, AFM
Function and attachment
PhD. Candidate
08.04.2021 - 08.04.2021
David Hu - Thesis defense
Congratulations to David for his PhD defense and for his incredible work on Nanocomposites Photocatalysts UCNP@SiO2@ZnO, active under NIR light for wastewater treatment", performed under the supervision of Juliette Blanchard and Souhir Boujday.
06.04.2021 - 06.04.2021
Valentin's arrival
Warm welcome to Valentin for his 3 months Master 1 internship on the "Adsorption of thiolate molecules on gold surfaces" under the supervision of Souhir Boujday and Yacine Mazouzi.
15.03.2021 - 15.03.2021
Thesis Defense - Somia Tomane
Congratulations to Somia Tomane for her thesis defense and for her work on the "Synthesis and characterization of polyoxometallate/mettalic nanoparticles composites for biomedical applications", a work performed in the Institut Lavoisier de Versailles and within our group, under the supervision of Pierre Mialane, Anne Dolbecq, Anne Vallée and Souhir Boujday.