@article {1335785, title = {Selective Precipitation and Purification of Monovalent Proteins Using Oligovalent Ligands and Ammonium Sulfate}, journal = {Bioconjugate Chem.}, volume = {23}, year = {2012}, note = {1142}, month = {11/15/11}, pages = {293-299}, abstract = {PMCID: PMC3288307}, keywords = {multivalency, carbonic anhydrase, ammonium sulfate, ligand, precipitation}, author = {Mirica, K. A. and Lockett, M. R. and Snyder, P. W. and Shapiro, N. D. and Mack, E. T. and Nam, S. and Whitesides, G. M.} }