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3D printing and Sol-Gel chemistry for glass microfluidic chips

Contact: MALLOGGI Florent, , florent.malloggi@cea.fr, +33 1 69 08 63 28
Summary:
The objective of this Master's internship is to develop a Sol-Gel process in order to build glass microchannels and qualify their relevance for microfluidic applications.
Possibility of continuation in PhD: Oui
Deadline for application:01/03/2020

Full description:
Context
In the beginning of the century, the invention of soft lithography, supported by the commercial availability of polydimethylsiloxane (PDMS) on the market contributed greatly to the growth of microfluidics in the academic field. The technique, based on molding of structures fabricated by photolithography, is relatively simple and affordable for most laboratories. However, a number of chemical processes are hardly compatibles with polymers. Most of the time, glass is more appropriate for chemistry but unfortunately, glass chips rely on costly and hazardous processes. The arrival of 3D printers has changed the way microfabrication is done. In the LIONS laboratory we recently developed a novel printing process based on a volatile mold designed to make microchannels on different nature substrates and to use different materials. Interestingly, glass-like materials are compatible with this approach.

Mission
The objective of this Master's internship is to develop a Sol-Gel process, in partnership with our chemists, in order to build glass microchannels and qualify their relevance for microfluidic applications. The ideal candidate should be able to contribute to materials chemistry aspects (materials formulation and characterization), microfabrication and perform the optimization of the process. This internship will integrate skills at the interface between materials chemistry and microfluidics, and will provide the opportunity to discover various methods and techniques, such as the Sol-Gel process, inkjet printing, optical and electronic microscopy (SEM/TEM). The candidate will work at the LIONS (CEA Saclay).

Profile
For this transdisciplinary project, we are looking for a student with a background in chemistry or physico-chemistry, Master student or student within an engineering school, willing to develop his or her skills in materials chemistry and microfluidics, and motivated by the applications of fundamental research in the field of materials.
Skills in microfluidics and microscopy would be appreciated. Programming skills and CAD design would be a plus. Good knowledge in English, reliability and self-motivation are required.
The trainee will be co-supervised by two researchers from the Nanoscience and Innovation for Materials, Biomedicine and Energy Department, specialized in materials chemistry and microfluidics.
Technics/methods used during the internship:
Sol-Gel process, inkjet printing, optical and electronic microscopy (SEM/TEM).

Laboratory
Tutor of the internship

 

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