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Approaches to Synthesizing MIPs for SPE

Aug 1, 2007
By:Faten BelHadj Kaabi, Valérie Pichon

Molecularly imprinted polymers (MIPs) are synthetic polymeric materials that mimic immunosorbents. They are widely used as sorbents for solid-phase extraction (SPE).

Screening Acid-Base Constants by CE

Aug 1, 2007
By:Maria-Elisa Capella-Peiró, Devasish Bose, Manuel Font-Rubert, Josep Esteve-Romero

The acid-base constants of antianginals were determined using capillary zone electrophoresis (CZE) and the results compared with those obtained by spectrophotometric methods.

Comparing Approaches to Speed Up LC

Mar 23, 2007
By:Nico C. van de Merbel, Thorsten Teutenberg, Sascha Giegold

This article describes and compares a number of approaches to increase the speed of liquid chromatographic separations, including column type, column length, flow-rate and temperature.

Facilitated Column Selection in RPLC

Mar 23, 2007
By:Erik Haghedooren, Dóra Visky, Pieter Dehouck, Kristóf Kóczián, José Diana, Zsuzsanna Kovács, Béla Noszál, Jos Hoogmartens, Erwin Adams

This article gives an overview of the performance of a previously developed system for the ranking of C18 reversed-phase columns applied to different pharmaceutical analyses.

Membrane-Assisted LLE Trace Analysis

Feb 1, 2007
By:Monika Moeder, Franziska Lange

This article describes membrane-assisted extraction processes to separate traces of polar pharmaceutical substances the so called emerging micropollutants from aqueous samples.

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