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features typically 20 m; can be as small as 2-5 m
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300K-1M features on a 1.3 cm chip
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$300K
for a mask
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human, mouse, rat; yeast, C. elegans, bacterial
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strains; HIV; SNP arrays; custom arrays
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quantitative accuracy-- ±2x
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discrimination
of related genes--80 (90) %
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dynamic
range 500 (10,000)
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typically
detect 30-50% of all yeast genes--down to a
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frequency
of 1/300K mRNA
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