Protein concentration and buffer exchange

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The correct choice of salt and salt concentration are the most important parameters that influence capacity and final selectivity. The objective is to optimize conditions to achieve the required selectivity to bind the target protein(s) and ensure that the majority

Protein Sample Ultrafiltration

This page discusses the principles and benefits of using ultrafiltration membranes in protein sample preparation. Possible applications include solvent exchange, protein sample concentration, or sample purification.

Introduction to Concentration and Buffer Exchange using Amicon® Stirred Cells

The Amicon® Stirred Cell family of pressure-driven filtration devices provide an ideal solution for concentrating and buffer-exchanging large volumes of macrosolutes. These devices are available in multiple sizes to offer a wide range of processing volumes.

Protein Concentration for Large Volumes Samples

For filtering large volumes of biological solutions, we manufacture specialized equipment including centrifugal filtering devices, discs, cells and solvents.

Concentrating Large Volumes With Centricon^® Plus-70 Centrifugal Filter Device

Large-volume centrifugal filter devices are a convenient alternative to stirred cell ultrafiltration devices for purifying proteins from large volumes of solution.

Practical Considerations for IEX Separation

This page covers detailed aspects of each step in an IEX separation to improve resolution and overall performance.

Desalting and Buffer Exchange for Affinity Chromatography of Antibodies

Desalting at laboratory scale is a well-proven, simple, and fast method that will rapidly remove low molecular weight contaminants at the same time as transferring the sample into the desired buffer in a single step.

Amicon® Pro Purification System – Protein Purification

Protein purification is simpler with Amicon Pro. The device delivers consistent sample preparation for more reliable recovery, uncompromised purity and easier data generation.