is_manufactured_by Illumina BeadChip Illumina HumanHT-12 V4.0 expression beadchip https://github.com/obi-ontology/obi/issues/1546 An Illumina BeadChip which employs direct-hybridization assay, for whole-genome expression profiling and expression-based quantitative trait loci (eQTL) studies. This BeadChip contains 12 arrays, each featuring more than 48,000 probes, targeting more than 31,000 annotated genes, providing genome-wide coverage of well-characterized genes, gene candidates, and splice variants. Illumina HumanHT-12 V4.0 expression beadchip Michelle Giglio gEAR Suvarna Nadendla https://www.illumina.com/documents/products/technotes/technote_humanht_12_imputation.pdf Jain Aluvathingal metadata complete Illumina