METHODS AND APPARATUS FOR NANOPARTICLE-ASSISTED NUCLEIC ACID HYBRIDIZATION AND MICROARRAY ANALYSIS
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United States of America Patent
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Issued Date -
May 3, 2012
app pub date -
Oct 29, 2010
filing date -
Oct 29, 2010
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Abandoned
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Abstract
The invention provides nucleic acid hybridization methods for detecting target nucleic acid sequences wherein complexes comprising nanoparticles non-covalently associated with single-stranded tartlet nucleic acid molecules are incubated with immobilized probe nucleic acid molecules. Because the nanoparticles function as competitors in the hybridization reaction between the target nucleic acid molecules and the probe nucleic acid molecules. The methods provide a high degree of discrimination between a perfectly matched target sequence and a sequence having at least a single-base-pair mismatch, even when the hybridization reaction is performed at room temperature. The invention also provides microarray methods and apparatus which incorporate the nanoparticle-assisted hybridization methods.
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