| http://www.w3.org/ns/prov#value | - 12/709487International Classification: B01D 15/20, B01D 15/22U.S. Classification: 210656, 2101982Abstract: The invention provides gravity chromatographic columns for the automated purification of a material (e.g., a biological macromolecule, such as a peptide, protein or nucleic acid) from a sample solution, as well as methods for making and using such columns.
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