Tuesday, January 10, 2012

branched DNA and Affymetrix QuantiGene

http://en.wikipedia.org/wiki/Branched_DNA_assay


In biology, a branched DNA assay is a signal amplification assay (as opposed to a target amplification assay) that is used to detect nucleic acid molecules.


Diagrammatically, we have Base -> Capture Probe -> Extender -> Target -> label extender -> pre-amplifier -> amplifier

Affymetrix QuantiGene - DNA Copy Number

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