Jonas Croissant, Ph.D.

Postdoctoral Fellows

Postdoctoral Fellow​​​ (Subgroup III: Biomaterials)


Research Interest

  • Design of porous and non-porous organosilica nanomaterials: mesoporous silica, periodic mesoporous organosilica, bridged silsesquioxane NPs, colloidosomes.
  • Nanomedicine: imaging, drug delivery, photothermal and photodynamic therapies.
  • Two-photon-sensitive theranostics eloboration.
  • Heavy metal removal via porous materials.

Selected Publications

  • Croissant, J. G.; Fatieiev, Y.; Khashab, N. M. Degradability and Clearance of Silicon, Organosilica, Silsesquioxane, Silica Mixed Oxide, and Mesoporous Silica Nanoparticles. Adv. Mater. 2017, DOI: 10.1002/adma.201604634
  • Omar, H.; Croissant, J. G.; Alamoudi, K.; Alsaiari, S.; Alradwan, I.; Majrashi, M. A.; Anjum, D. H.; Martins, P.; Moosa, B.; Almalik, A.; Khashab, N. M. Biodegradable Magnetic Silica@Iron Oxide Nanovectors with Ultra-Large Mesopores for High Protein Loading, Magnetothermal Release, and Delivery. Journal of Controlled Release 2016, DOI: 10.1016/j.jconrel.2016.11.032
  • Croissant, J.; Cattoen, X.; Durand, J.-O.; Wong Chi Man, M.; Khashab, N. M. Organosilica Hybrid Nanomaterials with High Organic Content: Syntheses and Applications of Silsesquioxanes. Nanoscale 2016, 8, 19945-19972
  • Croissant, J.; Fatieiev, Y.; Julfakyan, K.; Lu, J.; Emwas, A.; Anjum, D.; Omar, H.; Tamanoi, F.; Zink, J.; Khashab, N. M. Biodegradable Oxamide-Phenylene-Based Mesoporous Organosilica Nanoparticles with Unprecedented Drug Payloads for Delivery in Cells. Chem. Eur. J. 2016, 22, 14806–14811
  • Croissant, J. G.; Zhang, D.; Alsaiari, S.; Lu, J.; Deng, L.; Tamanoi, F.; Zink, J. I.; Khashab, N. M. Protein-Gold Clusters-Capped Mesoporous Silica Nanoparticles for High Drug Loading, Autonomous Gemcitabine/Doxorubicin Co-Delivery, and In-Vivo Tumor Imaging. J. Controlled Release 2016, 229, 183-191


  • Ph.D., Chemistry, École Nationale Supérieure de Chimie de Montpellier, Montpellier, France, 2014
  • M.Sc., Chemistry, Université de Montpellier, Montpellier, France, 2011
  • B.Sc., Chemistry, Université de Montpellier, Montpellier, France, 2009

Professional Profile

  • 2014-present: Postdoctoral fellow, KAUST, Thuwal, Saudi Arabia

Scientific and Professional Membership

  • Member of the Société Chimique de France
  • Reviewer for the Royal Society of Chemistry: J. Mater. Chem. B and C, Nanoscale, RSC Adv., Analyst, Inorg. Front., New J. Chem., Green Chem., Chem. Commun., Dalton Trans. 
  • Reviewer for the American Chemical Society: Biomacromolecules
  • Reviewer for the Express Polymer Letters journal
  • Reviewer for Nature Publishing Group: Scientific Reports


  • 2015 Thesis Prize Languedoc-Roussillon - Société Chimique de France
  • 2015 Thesis Prize - Balard Chemistry Foundation
  • 2013 First Prize of Oral Communication - Société Chimique de France,“1st Young Researcher's Mediterranean Workshop”, Montpellier, France
  • 2011 Mobility and Excellency Scholarship - Balard Chemistry Foundation
  • 2011 Mobility and Excellency Scholarship - Université Montpellier II
  • 2009, 2010, 2011 Merit Fellowships - Université Montpellier II 2009, 2010, 2011. Top of the year in B.S and M.S. (1st rank over 30 students). Best Master Thesis.

KAUST Affiliations

  • Advanced Membranes & Porous Materials Center (AMPMC)
  • Division of Physical Sciences and Engineering (PSE)