A U.S. Patent Application for “A Method of Enhancing the Performance of Chromatography Methods for Purification of Proteins” was published by A*STAR on October 17th, 2019. The present invention describes compositions, kits, and methods for removing contaminants from a protein preparation, for example a cell culture harvest comprising a recombinant protein. The methods described herein can enhance the performance of a later applied chromatographic purification step. The method generally involves contacting a protein preparation comprising a desired protein with a combination of allantoin, a cationic polymer, and a fatty acid… Learn More