2D Chromatographic Columns

We supply two dimensional (2D) liquid chromatographic columns with two mechanisms of weak-cation exchange (WCX) and hydrophobic interaction chromatography (HIC). The illustrated chromatograms are obtained with this column. Comparison shows 2D advantages. Moreover, we provide commericial columns and the improvement equipment named "ChromatoExpert".

Caky Chromatographic Columns

Caky chromatographic columns, or cakes,(色谱饼) , in a large diameter-length ratio, have been used successfully in intact protein separation at a pressure of more than 20 Mpa. The separation is fast even with a low system pressure (e.g., lower than 5.0 Mpa generally). From the standpoint of good resolution under high flow rate conditions, the performance of chromatographic cakes is comparable to that of perfusion chromatography and, therefore, has superior industrial applicability. The caky columns also allow for sample injections having a relatively high viscosity and a little precipitation. When the chromatographic separation is completed with the cakes , no fixed inlet and outlet are needed. The cakes show only a small irreversible absorption on objective products, which enhances the recovery of such objective products. With the chromatographic cake, the separation, renaturation, and purification processes can be performed in one step.