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  • [December 8, 2017]

    Interface and Colloids Science: Traditions and Perspective

  • Speaker:
    Françoise M. Winnik
    Date:
    Friday, December 8, 2017
    Time:
    10:00-11:30am
    Location:
    Room 210, COE Building No.1
    Host:
    Haifeng Yu
  • Abstract
  • Colloids are heterogeneous systems formed by small particles dispersed in a continuous medium, such as proteins in water (milk) or fine particles suspended in the air (smoke).  Over the last decades, colloids became ‘nanoparticles’ and, as such, contributed to the nanoscience revolution, particularly in the fields of responsive fluids, nanomedicine, imaging…. Interfaces were not left behind! Currently, scientists exploit (nano)interfacial phenomena in solar cells, catalysis, oil recovery, self-cleaning windows, etc. These advances owe much to the insight of Irwin Langmuir who published his seminal article on the liquid interface just a hundred years agobased on his observation of the spreading of oil on water….
  • Biography
  • Françoise Winnik obtained her PhD in organic chemistry and photochemistry. After post-doctoral studies in medical genetics, she worked for 12 years as a research scientist in the Xerox Research Center of Canada. She joined McMaster University (Hamilton, ON) in 1993 as an Associate Professor in Chemistry and Physics and in 2000, she joined the University of Montreal as a professor in the Department of Chemistry. Her expertise encompasses the assembly in water of amphiphilic polymers, the applications in nanomedicine of polymeric nanoparticles and quantum dots. Her group has pioneered the applications of microcalorimetry, such as Pressure perturbation calorimetry (PPC) and fluorescence techniques to study aqueous polymer solutions. She is the Editor-in-chief of Langmuir, the ACS journal of interface and colloids science.