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DNA microarray
(redirected from Dna array)

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DNA microarray [¦dē¦en¦ā ′mī·krō·ə‚rā]
(cell and molecular biology)
A microscopic spot containing identical single-stranded polymeric molecules of deoxyribonucleotides (DNAs), usually oligonucleotides or complementary DNAs, attached to a solid support (such as a membrane, a polymer, or glass) used to simultaneously analyze the expression levels of the corresponding genes.
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The assay combines the specificity obtained by enzymatically labeling DNA probes with the potential for detecting several targets simultaneously by using DNA array hybridization.
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