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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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Abstract

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.

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4 citations in Web of Science®
5 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Institute of Biomedical Engineering
DDC:170 Ethics
610 Medicine & health
Language:English
Date:2011
Deposited On:26 Jan 2011 12:30
Last Modified:27 Nov 2013 20:05
Publisher:American Chemical Society
ISSN:1944-8244
Publisher DOI:10.1021/am100849f
PubMed ID:21141937

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