Analysis of alkylphenols and alkylphenol ethoxylates: Sigma-Aldrich is pleased to offer the complete range of labeled compounds listed in ISO 18857-2 for the analysis of OP, NP and their mono- and diethoxylates.
MSMLS™ (Mass Spectrometry Metabolite Library of Standards) is a collection of high quality small biochemical molecules that span a broad range of primary metabolism. These are high purity (>95%) compounds supplied in an economical, ready-to-use format.
Bispecific antibodies are a new class of biotherapeutics where one therapeutic agent can target two different antigens. This application note demonstrates a new size exclusion chromatographic method for characterizing these new biotherapeutics by mass spectrometry.
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