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Headspace-SIFT-MS: Flexibility That Revolutionizes Workflows for Diverse Samples
May 1st 2023The characteristic flexibility, stability, high throughput, and fast time to report analytical results of the Syft Tracer next-generation SIFT-MS instrument apply across multiple headspace approaches for diverse matrices. This application note briefly summarizes the use of (1) dissolution, (2) multiple headspace extraction (MHE), and (3) the method of standard additions, then provides a guide for identifying the appropriate headspace approach for various matrices.
Quick, Clean, and Complete Peptide Mapping for mAbs (Apr 2023)
April 21st 2023Complete and clean trypsin digestion can be achieved with an enzyme that provides a balance of low levels of missed cleavage, non-specific cleavage, and trypsin autolysis. RapiZyme, a next generation trypsin, offers efficiency and reproducibility.
Determination of Eight Nitrosamine Impurities
April 17th 2023This application note demonstrates that the Agilent 6475 triple quadrupole LC/MS system can confidently quantify nitrosamine impurities at the low concentration levels specified by regulatory requirements. This method can be used to quantify these impurities in different ARB drug products, with some changes in chromatographic conditions based on the elution pattern of the drug product.
InfinityLab Poroshell 120 Aq-C18 Columns
April 14th 2023Introducing InfinityLab Poroshell 120 Aq-C18 columns—the latest addition to Agilent's Poroshell 120 column portfolio. With InfinityLab Poroshell 120 Aq-C18 columns, you can now maximize reversed-phase retention for highly polar analytes with 100% aqueous mobile phases and develop separations that retain polar and nonpolar compounds togethe
Analysis of Polar Compounds Using an Agilent InfinityLab Poroshell 120 Aq-C18 Column
April 14th 2023A group of polar compounds was separated on a newly developed Agilent InfinityLab Poroshell 120 Aq-C18 column. The retention loss due to pore dewetting was investigated by comparing the new InfinityLab Poroshell 120 Aq-C18 column to the current C18 phase and other superficially porous columns from various manufacturers
High-Speed Sensitive Analysis of Sunitinib and Related Metabolites Through UPLC-MS/MS
March 23rd 2023Tyrosine Kinase Inhibitors (TKIs) are a class of small molecule drugs used to alter cell growth pathways for the treatment of cancer. Specifically, Sunitinib, a TKI on the market, is available to treat a variety of cancers including pancreatic cancer. Here we create a method to support the therapeutic drug monitoring of Sunitinib and its active metabolite.