Definition of "microarrays" [microarrays]

• Plural form of microarray. (noun)

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• "Doctors are already using DNA-based tools, called microarrays or gene chips, to try to figure out the difference between tumors and normal cells in the same person."
• "Because individuals respond differently to such therapies, Dr. Levinson said the company has studied giving the new products to patients prescreened with "embedded diagnostic tests" -- gene assays on chips called microarrays -- to detect who will and won't benefit."
• "Some of this testing may be conducted in glassware or other materials (for example glassware or petri dishes) either with living tissue such as cells in cultures, tissues obtained from experimental animals, specially-fabricated tools known as microarrays or with purely chemical systems."