26/06/2019
The Human Resources Strategy for Researchers

PhD in Microfluidics (M/W)

This job offer has expired


  • ORGANISATION/COMPANY
    CNRS
  • RESEARCH FIELD
    Chemistry
    Engineering
    Physics
  • RESEARCHER PROFILE
    First Stage Researcher (R1)
  • APPLICATION DEADLINE
    17/07/2019 23:59 - Europe/Brussels
  • LOCATION
    France › VILLENEUVE D ASCQ
  • TYPE OF CONTRACT
    Temporary
  • JOB STATUS
    Full-time
  • HOURS PER WEEK
    35
  • OFFER STARTING DATE
    01/11/2019

The research will be mainly carried out at the Institute of Electronics, Micro-electronics and Nanotechnology (IEMN UMR 8520) in collaboration with research teams of different institutes of the north of France (INRA-Lille, INSERM U1003, BiCel, APERAM). Collaborations will also take place with the university of Nice as well as with international institutes such as the University of Florida and Tokyo University of Science.

Contamination of surfaces of food processing lines by pathogens and spoilage bacteria is a major issue that has not yet found a proper cleaning and disinfection solution. Indeed, after hygienic procedures, adherent bacteria are still commonly found on surfaces, mostly in the form of adherent spores, e.g. Bacillus spores in closed equipment or in the form of biofilms, e.g. those partially composed of Pseudomonas spp. These adherent bacteria are known to be responsible for many food- poisoning, thus underlining the needs for implementing more efficient procedures associated with a better understanding of the underlying mechanisms. Thanks to an ongoing collaboration, it has been recently shown by the partners that the drying conditions play a major role on the persistence of surface contamination. The goal of the proposed research is to bring researchers with complementary skills, the opportunity to work on this specific problem that begs a concrete technological solution. The project focuses on key research ideas of combined biology, fluid mechanics and advanced metrology (i) to improve the comprehension of bacterial adhesion in complex industrial environments and (ii) to propose optimal hydrodynamic solutions (based on interfacial flows) to remove adherent bacteria (bacterial spores used as a model) in industrial equipment without overuse of chemical products. The approach will consist of (a) characterizing the dynamical evolution of spore adhesion forces during drying/wetting cycles in their complex environment and unveiling the origin of these forces and (b) determining the optimal two-phase flow configurations capable of efficiently removing spores.

Required Research Experiences

  • RESEARCH FIELD
    Engineering
  • YEARS OF RESEARCH EXPERIENCE
    None
  • RESEARCH FIELD
    Chemistry
  • YEARS OF RESEARCH EXPERIENCE
    None
  • RESEARCH FIELD
    Physics
  • YEARS OF RESEARCH EXPERIENCE
    None

Offer Requirements

  • REQUIRED EDUCATION LEVEL
    Engineering: Master Degree or equivalent
    Chemistry: Master Degree or equivalent
    Physics: Master Degree or equivalent
  • REQUIRED LANGUAGES
    FRENCH: Basic
Work location(s)
1 position(s) available at
Institut d'électronique, de microélectronique et de nanotechnologie
France
VILLENEUVE D ASCQ

EURAXESS offer ID: 421489
Posting organisation offer ID: 10308

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