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Kit-On-A-Lid-Assays for accessible self-contained cell assays
Journal article   Open access   Peer reviewed

Kit-On-A-Lid-Assays for accessible self-contained cell assays

Erwin Berthier, David J. Guckenberger, Peter Cavnar, Anna Huttenlocher, Nancy P. Keller and David J. Beebe
Lab on a chip, Vol.13(3), pp.424-431
02/07/2013
PMCID: PMC3562598
PMID: 23229806
Web of Science ID: WOS:000312947300014

Abstract

Microscale methods for cell-based assays typically rely on macroscopic reagent handling and fluidic loading protocols that are technically challenging and do not scale with the number of assays favorably. Here, we demonstrate a microfluidic platform technology called "Kit-On-A-Lid-Assay" ( KOALA), that enables the creation of self-contained microfluidic cell-based assays, integrating all the steps required to perform cell-based assays. The KOALA platform allows the pre-packaging of reagents, cryopreservation of cell suspensions, thawing of cell suspensions, culture of cells, and operation of whole cell-based assays. The operation of the KOALA platform is user-friendly and consists of bringing together a lid containing the microchannels, and a base containing the pre-packaged reagents, thereby causing fluidic exchange in all the channels simultaneously. We demonstrate that the KOALA cell-based assays can be simply operated from start to finish without any external laboratory equipment.
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