32 search results - page 4 / 7 » Comparison of Affymetrix GeneChip expression measures |
BMCBI
2010
13 years 7 months ago
2010
Background: Microarray technology is a high-throughput method for measuring the expression levels of thousand of genes simultaneously. The observed intensities combine a non-speci...
BMCBI
2006
13 years 7 months ago
2006
Background: Intensity values measured by Affymetrix microarrays have to be both normalized, to be able to compare different microarrays by removing non-biological variation, and s...
BMCBI
2007
13 years 7 months ago
2007
Background: The Affymetrix GeneChip technology uses multiple probes per gene to measure its expression level. Individual probe signals can vary widely, which hampers proper interp...
BMCBI
2006
13 years 7 months ago
2006
Background: The identification of differentially expressed genes (DEGs) from Affymetrix GeneChips arrays is currently done by first computing expression levels from the low-level ...
BMCBI
2005
13 years 7 months ago
2005
Background: Normalization is a critical step in analysis of gene expression profiles. For duallabeled arrays, global normalization assumes that the majority of the genes on the ar...