Digital microfluidic three-dimensional cell culture and chemical screening platform using alginate hydrogels

Electro wetting-on-dielectric (EWOD) digital microfluidics (DMF) can be used to develop improved chemical screening platforms using 3-dimensional (3D) cell culture. Alginate hydrogels are one common method by which a 3D cell culture environment is created. This paper presents a study of alginate gel...

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Veröffentlicht in:Biomicrofluidics 2015-03, Vol.9 (2), p.024116-024116
Hauptverfasser: George, Subin M, Moon, Hyejin
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description Electro wetting-on-dielectric (EWOD) digital microfluidics (DMF) can be used to develop improved chemical screening platforms using 3-dimensional (3D) cell culture. Alginate hydrogels are one common method by which a 3D cell culture environment is created. This paper presents a study of alginate gelation on EWOD DMF and investigates designs to obtain uniform alginate hydrogels that can be repeatedly addressed by any desired liquids. A design which allows for gels to be retained in place during liquid delivery and removal without using any physical barriers or hydrophilic patterning of substrates is presented. A proof of concept screening platform is demonstrated by examining the effects of different concentrations of a test chemical on 3D cells in alginate hydrogels. In addition, the temporal effects of the various chemical concentrations on different hydrogel posts are demonstrated, thereby establishing the benefits of an EWOD DMF 3D cell culture and chemical screening platform using alginate hydrogels.
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source AIP Journals Complete; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central
subjects Alginates
Cell culture
Gelation
Gels
Hydrogels
Microfluidics
Organic chemistry
Regular
Screening
Substrates
title Digital microfluidic three-dimensional cell culture and chemical screening platform using alginate hydrogels
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