Quantitative proteomics? 

 -  Nature Biotechnology, 17(10), p.954-955, 1999 .
<br/><br/> cDNAs or short oligonucleotides arrayed on chips have become powerful tools to probe cellular mRNA populations. They permit the comprehensive determination of the expression of individual genes in a given cell type or cell state, the so-called "transcriptome"1.