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Biotech / Medical : AFFYMETRIX (AFFX) -- Ignore unavailable to you. Want to Upgrade?

To: tuck who wrote (1563)	6/20/2002 4:02:12 AM
From: nigel bates	Read Replies (1) \| Respond to of 1728

The interesting bit ? In a typical two-color analysis of normal versus diseased tissue, for example, researchers compare ratios of expression levels within an experiment. In a one-color experiment, however, scientists can compare actual raw intensity values across experiments. "You can compare as many samples as you'd like. You are no longer limited to single-slide ratios for those comparisons," says Schmelkin. "Statistically, it's very doable. It's not complicated, but it's a different methodology." And, she adds, a proven one. ...