Method of and device for packing a chromatography column
View Patent ↗A method and device for packing a chromatography column formed of one or more vibration devices attached to top and/or bottom flanges of the column. Media is added in one or more steps to the column, allowed to settle under the effects of gravity and then subjected to one or more treatments of vibration from the vibration devices until a suitably packed column is obtained. Liquid used to suspend the media while being placed into the column may be at least partially removed before or during the vibration step(s). The remaining liquid is then removed or replaced after the packing has been obtained.
1. A method of packing a chromatography column comprising the steps of: providing a chromatography column having two or more vibration devices attached to its outer surface, and providing a controlled pore glass media with a Protein A ligand and a liquid buffer solution; forming a slurry with the media and the buffer solution, wherein the buffer solution is present from about 10 to about 90% of the volume of the slurry, adding the slurry to the column, allowing the slurry to settle under gravity, activating the vibration devices to generate vibrations with frequencies in the 6000-30000 Hz one or more times to vibrate the slurry in the column at periodic intervals, wherein the vibration devices vibrate from about 30 seconds to about 3 minutes followed by no vibration for a period of about 1 minute to about 5 minutes, and removing the liquid of the slurry during the periodic vibration steps to form a packed bed of media, wherein the packed bed has a lower Height Equivalent to a Theoretical Plate (HETP) compared to a column having only one vibration device.
2. The method of claim 1 wherein the controlled pore glass media has a 100 μm diameter and pore size of 1000 A.
3. The method of claim 1 , wherein the column comprises three or more vibration devices on the outer surface of the column.
4. The method of claim 3 , wherein the three or more vibration devices are evenly spaced apart on the outer surface of column.
5. The method of claim 3 , wherein the vibration devices vibrate for about 1 minute followed by no vibration for about 2 minutes.
6. The method of claim 3 , wherein the vibration devices are clamped onto the outer surface of the column.
7. The method of claim 3 , wherein the column comprises a bottom flange and the vibration devices are evenly spaced on the bottom flange of the column.
8. The method of claim 1 , wherein the two or more vibration devices are evenly spaced apart on the outer surface of the column.
9. The method of claim 1 , wherein the vibration devices vibrate for about 1 minute followed by no vibration for about 2 minutes.
10. The method of claim 1 , wherein the vibration devices are clamped onto the outer surface of column.
11. The method of claim 1 , wherein the column comprises a bottom flange and the vibration devices are evenly spaced on bottom flange of the column.
12. The method of claim 1 , wherein the liquid is an aqueous liquid.
13. The method of claim 2 , wherein the liquid is an aqueous liquid selected from the group consisting of water, saline solutions, buffer solutions and water/alcohols blends.