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D-Tube dialyzers for fast and gentle dialysis.
Each protein preparation is unique. Give it the special treatment it deserves with a perfectly designed device for dialyzing and buffer exchange. Select between fast and gentle dialysis using the D-Tube™ Dialyzers or diafiltration using the Amicon® Ultra Centrifugal Filters.

Gently dialyze intractable or sensitive samples and prevent them from precipitation or over-concentration. Providing maximum efficiency, D-Tubes™ are designed with a double membrane to spread the sample over a large surface area enabling complete dialysis in just two to five hours.

Amicon® Ultra centrifugal devices are ideal for removal or exchange of salts, sugars, nucleotides, and non-aqueous solvents, as well as other materials of low molecular weight. They can also separate free from bound species.