de Lange, V; Binkert, A; Vörös, J; Bally, M (2011). Microarrays made easy: biofunctionalized hydrogel channels for rapid protein microarray production. ACS Applied Materials & Interfaces, 3(1):50-57.
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We present a simple, inexpensive, and sensitive technique for producing multiple copies of a hydrogel-based protein microarray. An agarose block containing 25 biofunctionalized channels is sliced perpendicularly to produce many identical biochips. Each microarray consists of 500 μm spots, which contain protein-coated microparticles physically trapped in porous SeaPrep agarose. Proteins diffuse readily through SeaPrep agarose, while the larger microparticles are immobilized in the hydrogel matrix. Without major assay optimization, the limit of detection is 12 pM for a sandwich assay detecting human IgG. These highly flexible, multiplexed arrays can be produced rapidly without any special instrumentation and are compatible with standard fluorescence-based read-out.
|Item Type:||Journal Article, refereed, original work|
|Communities & Collections:||04 Faculty of Medicine > Institute of Biomedical Engineering|
|Dewey Decimal Classification:||170 Ethics
610 Medicine & health
|Deposited On:||26 Jan 2011 12:30|
|Last Modified:||05 Apr 2016 14:39|
|Publisher:||American Chemical Society|
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