Purify antibodies from a culture solution in less than 1 hour! Our Protein A-Ferrofluid has a capacity of 900ug IgG/mg FF and can be recycled with minimal capacity loss. This FF can also simultaneously purify and concentrate your antibodies to give you an easier system to work with moving forward. Antibodies are purified using our XpresSep™ Multipole Cell Separators. The XpressSepTM 5 accommodates 12x75 mm tubes.The XpressSepTM 15 accommodates 15 mL centrifuge tubes.