Novel LC/MS-Compatible Stationary Phase with Polar Selectivity

Stability and Performance of Cyano Bonded Phase HPLC Columns for Reversed-Phase, Normal-Phase and HILIC Applications Richard A. Henry, Carmen T. Santasania, William H. Campbell and Wendy Roe sigma-aldrich.com T410171 Fundamentals of Ascentis® ES Cyano R. A. Henry EAS 2010 2…

Utilizing Enantiomeric Separations in Bioanalysis Craig R. Aurand, Hillel K. Brandes, David S. Bell, Wayne Way, and Carmen T. Santasania Supelco, Div. of Sigma-Aldrich, Bellefonte, PA 16823 USA www.sigma-aldrich.com T410094 Abstract Enantiomeric separations are often restricted in bioanalysis due to…

HybridSPE™ - Precipitation Technology Bridging the Gap between Simplicity & Selectivity in Sample Prep Updated: Mar 13 ‘09 T408104 sigma-aldrich.com Agenda • Introduction • HybridSPE-PPT (How does it work?) • LC Column Phospholipid Accumulation • Comparative Studies • Phospholipid Removal…

VOL 18.3 TheReporter www.sigma-aldrich.com/TheReporter Optimizing HPLC Separations: Samples with Widely Differing Polarities When confronted with a sample containing widely varying polarities, the LC chromatographer will typically rely on gradient elution. However, if gradient elution is not an option, isocratic elution…