Document Detail


Engineering the surface properties of microfluidic stickers.
MedLine Citation:
PMID:  22855124     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
We introduce a simple and effective method to tailor the wetting and adhesion properties of thiolene-based microfluidic devices. This one-step lithographic scheme combines most of the advantages offered by the current methods employed to pattern microchannels: (i) the channel walls can be modified in situ or ex situ, (ii) their wettability can be varied in a continuous manner, (iii) heterogeneous patterning can be easily accomplished, with contact-angle contrasts extending from 0 to 90° for pure water, (iv) the surface modification has proven to be highly stable upon aging and heating. We first characterize the wetting properties of the modified surfaces. We then provide the details of two complementary methods to achieve surface patterning. Finally, we demonstrate the two methods with three examples of applications: the capillary guiding of fluids, the production of double emulsions, and the culture of cells on adhesive micropatterns.
Authors:
Bertrand Levaché; Ammar Azioune; Maurice Bourrel; Vincent Studer; Denis Bartolo
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Lab on a chip     Volume:  12     ISSN:  1473-0189     ISO Abbreviation:  Lab Chip     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-08-02     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101128948     Medline TA:  Lab Chip     Country:  England    
Other Details:
Languages:  eng     Pagination:  3028-31     Citation Subset:  IM    
Affiliation:
Laboratoire PMMH, ESPCI ParisTech, CNRS UMR 7636, Université Pierre et Marie Curie et Université Paris Diderot, 10, rue Vauquelin 75005, Paris, France. bertrand.levache@espci.fr denis.bartolo@espci.fr.
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