Gaétan Laroche, professeur titulaire
Pavillon Adrien-Pouliot, local 1717-D
T. 418 656-7983
F. 418 656-5343
Champs d'intérêts
  • Ingénierie de surface
  • Caractérisation des propriétés physico-chimiques des biomatériaux
  • Etudes des interactions entre les cellules et la surface des matériaux
  • Développement d'applications biotechnologiques mettant à profit la modification de la surface des matériaux.


  • GML-2004 Thermodynamique métallurgique
  • GML-4150 Ingénierie des surfaces
  • GML-7013 Méthodologie de la recherche scientifique
  • GML-7017 Préparation à la recherche scientifique


Publications entre 2006 et 2012

  • 87. G. Laroche, J. Vallade, R. Bazinette, P. van Nijnatten, E. Hernandez, G. Hernandez, and F. Massines, FTIR absorption spectroscopy characterization of gaseous atmospheric plasmas with 2 mm spatial resolution, Rev. Sci. Instrum., in press.
  • 86. C. Chollet, R. Bareille, M. Rémy, A. Guignandon, L. Bordenave, G. Laroche, and M.-C. Durrieu, Impact of peptide micro-patterning on endothelial cell actin remodeling for cell alignment under shear stress, Macromol. Biosci., in press.
  • 85. M.-C. Boivin, P. Chevallier, C.A. Hoesli, J. Lagueux, R. Bareille, M. Rémy, L. Bordenave, M.-C. Durrieu, and G. Laroche, Human saphenous vein endothelial cell adhesion and expansion on micro-patterned polytetrafluoroethylene, J. Biomed. Mater. Res. Part A, 2012, DOI: 10.1002/jbm.a.34367.
  • 84. G. Sabbatier, D. Le Nouën, P. Chevallier, B. Durand, G. Laroche, and F. Dieval, Air spun poly(lactic acid) nanofiber scaffold degradation for vascular tissue engineering: A 1H-NMR study, Polymer Degradation and Stability, 2012; 97: 1520-1526.
  • 83. M. Mavadat, S, Turgeon, A. Ricard, and G. Laroche, Infrared optical actinometry to determine N- and H-atom density in a N2-H2 microwave discharge, J. Phys. D, 2012; 45: 315201 (9 pp).
  • 82. M.Ö. Oteyaka, P. Chevallier, S. Turgeon, L. Robitaille, and G. Laroche, Low pressure radio-frequency ammonia surface modification on poly(ethylene terephtalate) films and fibers: effect of the polymer forming process. Plasma Chem. Plasma Process., 2012; 32: 17-33.
  • 81. M. Mavadat, A. Ricard, S. Turgeon, and G. Laroche, Characterization of N2 and N2+H2 plasmas using infrared emission spectroscopy, Proceedings of the International Symposium on Plasma Chemistry.
  • 80. M. Mavadat and G. Laroche, Characterization of the microwave plasma for polymer surface modification using FTIR spectroscopy, 2011; Mat. Sci. Forum, in press.
  • 79. M.-C. Boivin, P. Chevallier, S. Turgeon, J. Lagueux, and G. Laroche, Micropatterning polymer materials to improve endothelialization, 2011; Mat. Sci. Forum, in press.
  • 78. M. Mavadat, A. Ricard, C. Sarra-Bournet, and G. Laroche, Determination or ro-vibrational excitations of N2(B,v’) and N2(C,v’) in N2 microwave discharges associating visible and IR spectroscopy, J. Phys. D, 2011; 44: 155207 (10pp).
  • 77. P. Chevallier, S. Turgeon, C. Sarra-Bournet, R. Turcotte, and G. Laroche, Characterization of multilayer anti-fog coating, Applied Materials and Interfaces, 2011; 3: 750-758
  • 76. L. Maechler, C. Sarra-Bournet, P. Chevallier, N. Gherardi, and G. Laroche, Anti-fog layer deposition onto polymer materials: a multi step approach, Plasma Chemistry and Plasma Processing, 2011; 31: 175-187.
  • 75. C. Sarra-Bournet, N. Gherardi, G. Laroche, and F. Massines, Formation of nanoparticles and nanorods in a N2-C2H4-H2 atmospheric barrier pressure discharge, Thin Solid Films, 2010; 518: 4828-4834.
  • 74. C. Sarra-Bournet, N. Gherardi, H. Glénat, G. Laroche, and F. Massines, Effect of C2H4/H2 ratio in an atmospheric pressure dielectric barrier discharge on the plasma deposition of hydrogenated amorphous carbon-nitride films (a-C:N:H), Plasma Chem Plasma Process, 2010; 30: 213-239.
  • 73. C. Sarra-Bournet, S. Poulin, K. Piyakis, and G. Laroche, ToF-SIMS multivariate characterization of surface modification of polymers by N2-H2 atmospheric pressure dielectric barrier discharge, Surf. Interf. Anal., 2010; 42: 102-109.
  • 72. S. François, C. Sarra-Bournet, A. Jaffre, N. Chakfé, B. Durand, and G. Laroche, Characterization of an air-spun poly(L-lactic acid) nanofibre mesh, J. Biomed. Mater. Res.-Appl. Biomater., 2010; 93B: 531-543.
  • 71. C. Sarra-Bournet, G. Ayotte, S. Turgeon, F. Massines, and G. Laroche, Effects of chemical composition and the addition of H2 in a N2 atmospheric pressure dielectric barrier discharge on polymer surface functionalization, Langmuir, 2009; 25: 9432-9440.
  • 70. S. François, N. Chakfé, B. Durand, and G. Laroche, A poly(L-lactic acid) nanofibres mesh scaffold for endothelial cells on vascular prostheses, Acta Biomaterialia, 2009; 25: 2416-2428.
  • 69. C. Sarra-Bournet, N. Gherardi, S. Turgeon, G. Laroche, and F. Massines, Deposition of functional hydrogenated amorphous carbon-nitride film (a-CN:H) using C2H4/N2 Townsend dielectric barrier discharge, Eur. Phys. J. Appl. Phys., 2009; 47: 22820.
  • 68. K. Vallières, É. Petitclerc, and G. Laroche, On the ability of imatinib mesylate to inhibit smooth muscle cell proliferation without delaying endothelialization: an in vitro study, Vasc. Pharmacol. 2009; 51: 50-56.
  • 67. S. François, N. Chakfe, B. Durand, and G. Laroche, Effect of polyester prosthesis microstructure on endothelial cell adhesion and proliferation, Trends Biomater. Artif. Org.  2008; 22: 89-99.
  • 66. M. Touzin, P. Chevallier, F. Lewis, S. Turgeon, G. Laroche, D. Mantovani, Water-ageing of plasma-polymerized fluorocarbon ultra-thin films: a first test for assessing the coating stability of polymer-coated stents. Surf. Coat. Technol, 2008; 202: 4884-4891.
  • 65. K. Vallières, P. Chevallier, C. Sarra-Bournet, S. Turgeon, and G. Laroche, AFM imaging of immobilized fibronectin : does the surface conjugation scheme affect the protein orientation/conformation?, Langmuir 2007; 23: 9745-9751.
  • 64. K. Vallières, E. Petitclerc, and G. Laroche, Covalent grafting of fibronectin onto plasma-treated PTFE: influence of the conjugation strategy on fibronectin biological activity, Macromol. BioSci., 2007; 7: 738-745.
  • 63. L. Gagné and G. Laroche, Engineering biomaterials surfaces using micropatterning, Adv. Mater Res. 2007; 15-17: 77-82.
  • 62. L. Gagné, G. Silva, and G. Laroche, Micropatterning with aerosols: application to biomaterials. Biomaterials, 2006; 27: 5430-5439.
  • 61. C. Sarra-Bournet, S. Turgeon, D. Mantovani, and G. Laroche, Surface functionalization of PTFE for biomedical applications: comparative study between atmospheric pressure plasma and low pressure RF plasma treatments, Plasma Processes and Polymers, 2006; 503: 506-515.
  • 60. C. Sarra-Bournet, S. Turgeon, D. Mantovani, and G. Laroche, A study of atmospheric pressure plasma discharges for surface functionalization of PTFE used in biomedical applications, J. Phys. D, 2006; 39: 3461-3469.
  • 59. M. Haidopoulos, S. Turgeon, C. Sarra-Bournet, G. Laroche, and D. Mantovani, Development of an electrochemical process for subsequent coating of 316 stainless steel for stent application, J. Mater Sci : Mater in Med. 2006; 17: 647-657.

Formation et expériences professionnelles

  • B. Sc., Ph. D., Université Laval
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