Article
Label-free microarray imaging for direct detection of DNA hybridization and single-nucleotide mismatches.
Biosensors & bioelectronics - 15 Mar 2010
Ozkumur Emre, Ahn Sunmin, Yalçin Ayça, Lopez Carlos A, Cevik Elif, Irani Rostem J, DeLisi Charles, Chiari Marcella, Unlü M Selim
Abstract excerpt
A novel method is proposed for direct detection of DNA hybridization on microarrays. Optical interferometry is used for label-free sensing of biomolecular accumulation on glass surfaces, enabling dynamic detection of interactions. Capabilities of the presented method are demonstrated by high-throughput sensing of solid-phase hybridization of oligonucleotides. Hybridization of surface immobilized probes with 20...
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