membranes Article Nonwoven Ion-Exchange Membranes with High Protein Binding Capacity for Bioseparations Solomon Mengistu Lemma 1 , Cristiana Boi 1,2,* and Ruben G. Carbonell 1,3 1 Golden LEAF Biomanufacturing Training and Education Center (BTEC), North Carolina State University, 850 Oval Dr, ...