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A Novel Chemical Route to Stable, Regenerable Zirconia-Based Chiral Stationary Phases for HPLC
Saturday, October 01, 2005
Technical Article
Richard A. Henry Clayton V. McNeff Bingwen Yan Thomas R. Hoye
High-performance liquid chromatography has become the dominant method for the analytical and preparative separation of chiral pharmaceuticals. read more
Capillary-Channeled Polymer (C-CP) Fibers: A Novel Platform for Liquid-Phase Separations
Wednesday, June 01, 2005
Technical Article
Dwella M. Nelson Rayman D. Stanelle Phil Brown R. Kenneth Marcus
In spite of its relative maturity as a group of analytical methods, the field of liquid chromatography continues to evolve with regard to the development of new stationary phases that may provide ... read more
Using FAIMS to Increase Selectivity for LC-MS Analyses
Wednesday, June 01, 2005
Technical Article
Roger Guevremont Beata Kolakowski
In the development of many LC-MS methods, interferences are commonplace. In an environment in which data must stand up to rigorous scrutiny, such as in the pharmaceutical industry, selectivity of ... read more
LC-MS With Simultaneous Electrospray and Atmospheric Pressure Chemical Ionization
Tuesday, March 01, 2005
Technical Article
Wayne P. Duncan Patrick D. Perkins
Today, liquid chromatography-mass spectrometry with electrospray ionization (LC-ESI-MS) is increasingly being used as the technique of choice for high-throughput pharmaceutical analysis. read more
Miniaturized FTIR for Maximized Productivity
Tuesday, March 01, 2005
Application Note
Ken Fredeen John S. Seelenbinder Mark L. Norman
In today’s fast-paced business environment, many companies are under pressure to improve their productivity. This is especially true in the pharmaceutical industry, where reducing time-to-market ... read more
Determination of Acid Herbicides in Water by GC-MS: A Modified Method Using Single Extraction and ...
Tuesday, March 01, 2005
Technical Article
Pradyot Patnaik Jacques N. Khoury
Chlorophenoxy acids are an important class of herbicides that are widely used for weed control in agriculture and forestry. read more
Outsourcing Solution Preparations
Tuesday, February 01, 2005
Application Note
Edwin Neas
“Outsourcing lets companies save critical resources and spend more time on core competencies…they have used outsourcing to grow market value by billions while decreasing their book values." read more
Use of Microcoil Probes to Acquire More Sensitive NMR Spectral Data
Tuesday, February 01, 2005
Technical Article
Peter Froehlich
Nuclear magnetic resonance (NMR) spectroscopy is a powerful analytical technique that is commonly used to provide structural information as well as other chemical metrics such as sample composition ... read more
Optimizing the Sensitivity of an Evaporative Light Scattering Detector
Tuesday, October 12, 2004
Application Note
Peter Froehlich Rodolphe Pennanec
The evaporative light scattering detector (ELSD) is a universal, mass-based detector for HPLC, ultraperformance liquid chromatography (UPLC), gel permeation chromatography (GPC), and supercritical ... read more