Dr. Louise Deschênes

Research Scientist

Research in the fields of nanotechnology, materials and interfaces for a better understanding of food systems and for innovation and development in food processing and detection of risks.

Agriculture and Agri-Food Canada

Current research and/or projects

Dr. Deschênes is dedicated to biosensing in the field of food safety and to the understanding of the behaviour of bacteria and viruses at different interfaces. She is also interested in the interactions of nanoparticles with food systems.

Research and/or project statements

  • Proteins and other biomolecules at interfaces.
  • Biofilms, bacterial and virus adhesion.
  • Optimisation of physico-chemical parameters involved in methods for the detection of viruses.
  • Nanoparticules at interfaces.
  • Nanotechnology-based biodetection methods.

Professional activities / interests

  • Polymers, materials and nanomaterials.
  • Biodetection, biosensing.
  • Interfacial phenomena.
  • Molecular monolayers and self-assemblies.

Education and awards

  • B.Sc. in Chemistry, University of Sherbrooke, 1981
  • M.Sc. in Chemistry, University of Sherbrooke, 1984
  • PhD in Chemical Engineering, Laval University, 2008

International experience and/or work

  • Contribution to the organization of symposiums and conferences.
  • Participation to international research projects.
  • Expertise in food irradiation.

Key publications

For a complete list of publications, please visit: AAFC Online

  • Savard, T., Lapointe, C. Deschênes, L., Ells, T. and Bisaillon, Y. 2019. Interactions between spoilage bacteria in tri-species biofilm developed under simulated meat processing conditions. Food Microbiology. Accepted paper.
  • Deschênes, L, Lyklema, J. and Saint-Germain, F. 2017. Entropy of aqueous surfaces. Application to polymeric Langmuir films. Adv Colloid Interface Sci. 2017 Apr 9. pii: S0001-8686(17)30134-3. doi: 10.1016/j.cis.2017.04.004
  • Deschênes, L., Lyklema, J., Danis, C., et St-Germain, F. (2015). Phase transitions in Polymer Monolayers: Application of the Clapeyron equation to PEO in PPO-PEO Langmuir Films, Advances in Colloids and Interface Science, 222, p. 199-214. doi : 10.1016/j.cis.2014.11.002
  • Deschênes, L., Saint-Germain, F., et Lyklema, J. (2015). Langmuir Monolayers of non-ionic polymers: equilibrium or metastability? Case Study of PEO and its PPO-PEO diblock copolymers, Journal of Colloid and Interface Science, 449, p. 494-505. doi : 10.1016/j.jcis.2015.01.072
  • Masse, L., Puig-Bargues, J., Mondor, M., Deschênes, L., et Talbot, G. (2015). Efficiency of EDTA, SDS and NaOH solutions to clean RO membranes processing swine wastewater, Separation Science and Technology, 50(16), p. 2509-2517. doi : 10.1080/01496395.2015.1062395
  • Masse, L., Mondor, M., Puig-Bargués, J., Deschênes, L,Talbot, G. 2014. The efficiency of various chemical solutions to clean reverse osmosis membranes processing swine wastewater. Water Quality Research Journal of Canada. 49(4), 295-306. doi : 10.2166/wqrjc.2014.008
  • Masse, L., Mondor, M., Talbot, G., St-Germain, F., Puig-Bargués, J. 2014. Fouling of Reverse Osmosis Membranes Processing Swine Wastewater Pretreated by Mechanical Separation and Aerobic Biofiltration. Separation Science and Technology, 49 (9), pp. 1298-1308.  doi : 10.1080/01496395.2014.881880
  • Robitaille, G., Choinière, S., Ells, T., Deschênes, L., Mafu, A.A. 2014. Attachment of Listeria innocua to polystyrene: Effects of ionic strength and conditioning films from culture media and milk proteins. Journal of Food Protection, 77 (3), pp. 427-434.
  • Lyklema, J., Deschênes, L. 2011. The first step in layer-by-layer deposition: electrostatics and/or non-electrostatics? Advances in Colloids and Interface Science, 168 (1-2) , pp. 135-148.
  • Deschênes, L, Bousmina, M. and Ritcey, A.M. 2008. Micellization of PEO/PS Block Copolymers at the Air/Water Interface: A Simple Model for Predicting the Size and Aggregation Number of Circular Surface Micelles. Langmuir, 24(8), 3699 – 3708.
  • Deschênes, L. Carlsson, D.J., Wang, Y. and Labrèche, C. 2004. Post-irradiation Transformation of Additives in Irradiated HDPE Food Packaging Materials: Case Study of Irgafos 168. ACS Symposium Series 875. Komolprasert, V. and Morehouse, K.M. eds. ACS, Whashington. Chap.
  • Mallegol J, Carlsson, D.J. and Deschênes, L. 2001. Post-gamma-irradiation reactions in vitamin E stabilised and unstabilised HDPE. Nuclear Instruments & Methods in Physics Research Section B-Beam Interactions with Materials and Atoms, 185, 283-293
  • Mallegol, J., Carlsson, D.J. and Deschênes, L. 2001. Antioxidant effectiveness of vitamin E in HDPE and tetradecane at 32°C. Polymer Degradation and Stability, 73(2), 269-280.
  • Mallegol, J. Carlsson, D.J. and Deschênes, L. 2001. A Comparison of Polymer Degradation and Phenolic Antioxidant Performance in HDPE at 32-80° C. Polymer Degradation and Stability, 73(2), 259-267.
  • Carlsson, D.J., Krzymien, M.E., Deschênes, L. and Mercier, M. 2001. Analyses of Volatile Transformation Products from Additives in Polyethylene Packaging. Food Additives and Contaminants, 18(8), 739-749.
  • Carlsson, D.J., Krzymien, M.E., Deschênes, L., Mercier, M. and Vachon, C. 2001. Phosphite Additives and their Transformation Products in Polyethylene -Irradiation. Food Additives and Contaminants, 18(6), 581-591.