Microarrays have been used extensively to understand what happened to the oil from the Deepwater Horizon spill.

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In short the qPCR test can be considered a bottom up approach, while microarrays are more top down.

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Natale and his colleagues used DNA microarrays to compare tumors that were hurt by the drug with those that weren't.

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Combimatrix also announced a cooperative agreement with the U.S. Air Force for the development of a biomonitor device with biomarker-based microarrays.

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He quickly realised that the technique might come in handy when mixing tiny quantities of different liquids in DNA microarrays, for example.

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But the next step, according to Dr Meterissian, is to use biochip microarrays that are capable of recognising hundreds of genes.

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Research scientists used microarrays to investigate how the microbial community responded to the contamination and how they may have consumed much of the oil and gas.

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Microarrays also obtain genetic information from microbes in soil or water, and while less quantitative than qPCR, this method can analyze tens of thousands of genes at once.

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Also, regarding microarrays, it is noteworthy that the so-called DTC (Direct-to-Customers) Genome Testing is also grabbing a lead-role with the Illumina arrays (e.g. by 23andMe, that has just catapulted its marketing model with the help of a more potent array by Illumina).

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Alan Trounson at Melbourne, Australia-based Monash University, a leader in the field, says that even if a cloned baby's genome was checked gene by gene with DNA microarrays such as those made by Affymetrix (nasdaq: AFFX - news - people ), there could be no assurance that the baby would be healthy.

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