HomeResourcesScientific LibraryScientific postersAbsolute quantification of proteins & mAbs by ICP-MSAbsolute quantification of proteins & mAbs by ICP-MS Julius Bianga Philippe De Raeve Arnaud Delobel 9th March 2017 Analytical Technologies Europe 2017 Although drug products issued from biotechnology have now been marketed for many years, accurate protein quanti fi cati on remains a challenge.