Innovative HPLC columns offer high speed and high efficiency separations

Published: 21-Feb-2007

Supelco, a division of Sigma-Aldrich, has introduced Ascentis Express, an HPLC column designed to help researchers achieve extreme performance from their current HPLC or UPLC instruments.


Supelco, a division of Sigma-Aldrich, has introduced Ascentis Express, an HPLC column designed to help researchers achieve extreme performance from their current HPLC or UPLC instruments.

Ascentis Express columns are designed to provide the analysis speed and resolving power of sub-2-micron columns with a 50% reduction in backpressures.

They will initially be offered in C18 and C8 stationary phases, with plans to introduce other phases. The enabling technology for Ascentis Express is the Fused-Core particle. These high purity silica particles measure 2.7µm overall with a 0.5µm thick porous shell. Relative to conventional sub-2-micron particles, Ascentis Express columns generate comparable efficiencies but with half the backpressure.

'The high efficiencies and low backpressures enable the researcher to either double the speed or resolving power above current HPLC methods,' said Wayne K. Way, marketing manager at Supelco in Bellefonte, Pennsylvania.

'A strategic partnership between Advanced Materials Technology (AMT) and Supelco has permitted this product offering to reach the marketplace. Our scientists have worked diligently with AMT and Dr Jack Kirkland, who developed the Fused-Core particle technology.'

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