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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Lectin purification on affinity columns containing reductively aminated disaccharides.

A method is described for isolating lectins in pure form and quantitative yield in a single step by affinity chromatography on aminoethyl polyacrylamide gels containing reductively aminated disaccharide residues. The affinity columns were prepared in two steps: (a) direct reductive amination of the disaccharide and aminoethyl gel with sodium cyanoborohydride in aqueous solution at pH 9; (b) N-acetylation of excess amino groups. Affinity columns prepared by reductive amination of lactose, melibiose, maltose, and di-N-acetylchitobiose were used to purify the following lectins: lactose, peanut, castor bean; melibiose, Bandeiraea simplicifolia; maltose, jack bean, common lentil; di-N-acetylchitobiose, wheat germ. These columns are extremely stable, have good flow rates, and high binding capacities.[1]

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