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LASIMP: Steve PAPA (SAINBIOSE) defended his thesis on December 21st

On The December 21, 2023

Sedao (LabHC), Alain Guignandon (Sainbiose), Steve Papa (Sainbiose) and Virginie Dumas (LTDS), December 21, 2023. - UJM
Sedao (LabHC), Alain Guignandon (Sainbiose), Steve Papa (Sainbiose) and Virginie Dumas (LTDS), December 21, 2023. - UJM

Steve Papa, former PhD student at the SAINBIOSE laboratory, sucessfully defended his thesis!

Steve defended his thesis on December 21st. The jury awarded him the title of doctor for his work on the LASIMP project (Femtosecond LASer for dental IMPlants multifunctional texturing). His thesis was funded by the Graduate School, as part of the 3rd Call for projects.

He was congratulated by the jury and his peers for his work on the study of the behaviour of bacteria on nanostructured surfaces and how surface modifications can modify the adherence of these bacteria.

The thesis jury was composed of:
  • Claire BARDET, Professor, Université Paris-Cité / URP 2496 [Rapporteuse]
  • Philippe STEYER, Professor, INSA Lyon / MatéIS lab [Rapporteur]
  • Brigitte GROSGOGEAT, Professor, UCBL / LMI [Examinatrice]
  • Alain GUIGNANDON, Associate Professor, UJM / Sainbiose lab [Thesis director]
  • Virgine DUMAS, Research Engineer, Ecole Centrale de Lyon / LTDS [Thesis manager]
  • Hind HAMZEH-COGNASSE, Research Engineer, UJM / Sainbiose lab [Invited]
  • Xxx Sedao, Research Engineer, UJM / Laboratoire Hubert Curien [Invited]

He published 4 scientific articles between 2022 and 2023:
  • Papa, S., Maalouf, M., Claudel, P. et al. Key topographic parameters driving surface adhesion of Porphyromonas gingivalis. Sci Rep 13, 15893 (2023).
  • Pallarés Aldeiturriaga, David & Papa, Steve & Abou Khalil, Alain & Pascale Hamri, Alina & Maalouf, Mathieu & Di Maio, Yoan & Guignandon, Alain & Dumas, Virginie & Sedao, Xxx. (2022). Influence of multi-wavelength ultrafast laser texturing and autoclave sterilization on titanium alloy-based surface wettability. Applied Physics A. 128. 10.1007/s00339-022-06015-9.
  • Papa, Steve & Abou Khalil, Alain & Hamzeh-Cognasse, Hind & Thomas, Mireille & Maalouf, Mathieu & Di Maio, Yoan & Sedao, Xxx & Guignandon, Alain & Dumas, Virginie. (2022). Dual-functionalized titanium by ultrafast laser texturing to enhance human gingival fibroblasts adhesion and minimize Porphyromonas gingivalis colonization. Applied Surface Science. 606. 154784. 10.1016/j.apsusc.2022.154784.
  • Maalouf, M.; Abou Khalil, A.; Di Maio, Y.; Papa, S.; Sedao, X.; Dalix, E.; Peyroche, S.; Guignandon, A.; Dumas, V. Polarization of Femtosecond Laser for Titanium Alloy Nanopatterning Influences Osteoblastic Differentiation. Nanomaterials 2022, 12, 1619.

His work shows how disciplines - Bioengineering, Physics, Surface Engineering - can collaborate and create interdisciplinary research projects. Learn more about the project

He will be continuing his research in the private sector.

Congratulations to him! We wish him the best for his promising career ! :)