53822USUPELCO

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Derivatization and Separation of Aliphatic Amines

Derivatization of Aliphatic Amines - Results from the Supelco Ascentis Express column show higher peak resolution, and improved peak shapes than typical chromatograms.

Derivatization Agents for LC/MS – An Improved Detection of Estradiol with ESI-MS

Improved LC/MS Detection of Estradiol using 4-(Dimethylamino) benzoyl chloride (DMABC) derivatization agent relative to dansyl chloride.

Rapid Determination of Protein Binding Affinity Using Solid Phase Microextraction

Accurate protein binding affinities were measured using bioSPME more rapidly than membrane dialysis (RED) techniques. Binding affinities correlated to the reference values.

The Importance of Filtration in Optimizing (U)HPLC and LC-MS Performance

Learn how filter selection and sample and mobile phase filtration impact HPLC back pressure and column lifetime.

过滤在(U)HPLC和LC-MS性能优化中的重要性

了解过滤器选择以及样品和流动相过滤如何影响HPLC反压和柱寿命。

Optimizing Serum Sample Preparation for Free Testosterone Determination: A Comparative Analysis Using BioSPME

Optimize serum samples for LC-MS/MS-based free testosterone determination using Supel™ BioSPME 96-pin device and validated equilibrium dialysis methods.

Ascentis® Express Phenyl Hexyl Columns for U/HPLC

Improve your reversed phase selectivity for polar aromatics and heterocyclic compounds with the Ascentis® Express Phenyl-Hexyl U/HPLC column.

Ascentis ® Express HILIC U/HPLC Columns

For separation of polar compounds including polar neutrals, polar acids, and polar and non-polar basic amines use our Ascentis® Express HILIC column.

Ascentis^® Express Peptide ES-C18 U/HPLC Columns

Choose Ascentis® Express Peptide ES-C18 U/HPLC Columns based on Fused-Core® technology for fast and efficient separation of high-molecular weight compounds, such as peptides and small proteins. With a 2.7 µm particle size and rigorous testing, these columns offer reliable results

Improving USP Lansoprazole Analysis with HPLC

USP methods continuously revised for modernization and improved results in drug testing.

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