Gaétan Laroche, professeur titulaire
Pavillon Adrien-Pouliot, local 1717-D
T. 418 656-7983
F. 418 656-5343
gaetan.laroche@gmn.ulaval.ca
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.

Enseignement

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

Publications

Publications des six dernières années

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.

 
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