Sigma now offers both the Universal Proteomics Standard and the Proteomics Dynamic range Standard as complex, well-defined, well characterized reference standards for mass spectrometry. http://www.sigmaaldrich.com/Area_of_Interest/Life_Science/Proteomics_and_Protein_Expr/Protein_Analysis/Mass_Spectrometry/UPS1_and_UPS2_Proteomic_Standards.html http://blogs.law.harvard.edu/tech/rss Tue, 4 Mar 2008 10:49:01 -0600 Tue, 4 Mar 2008 10:47:09 -0600 FeedForAll v2.0 (2.0.2.9) unlicensed version http://www.feedforall.com The Universal Proteomics Standard (UPS1) serves as a complex, well-defined, well-characterized reference standard for Proteomics laboratories. http://www.sigmaaldrich.com/Area_of_Interest/Life_Science/Proteomics_and_Protein_Expr/Protein_Analysis/Mass_Spectrometry/Universal_Proteomics_Standard.html F1FF3713-FFD2-46D2-8DD7-ABDEDA555E5B Tue, 4 Mar 2008 10:47:09 -0600 This new standard is an enhancement of Sigma's original Universal Proteomics Standard (UPS1). The same complex mixture of 48 human proteins has been formulated into a dynamic range of concentrations, ranging from 0.5 fmoles to 50 pmoles. http://www.sigmaaldrich.com/Area_of_Interest/Life_Science/Proteomics_and_Protein_Expr/Protein_Analysis/Mass_Spectrometry/Proteomics_Dynamic_Range_Standard.html 1E1A0DC6-3FD3-45EB-AC8F-7642D638FC86 Tue, 4 Mar 2008 10:47:10 -0600