固定化 Protein A 填料 (IPA)
IPA 400HC Protein A 亲和填料
IPA 400HC提供了一种性能更高的Protein A填料，其结合载量和线性流速是IPA 300的两倍。这种填料可用于治疗和诊断用抗体从实验室到商业化规模的生产。IPA 400HC含有无动物源性重组Protein A配基，srPA50，固定在高度交联的琼脂糖基球上。
IPA 300S 和 IPA 300 Protein A 亲和填料
IPA 300S is a Repligen legacy Protein A affinity resin used in commercial manufacturing processes for therapeutic antibodies. This resin can also be used for bench-scale experiments and immunoprecipitation (IP) methods. IPA 300S incorporates Repligen's srPA50 ligand immobilized onto an agarose bead.
IPA 300 has been discontinued by formal notification of obsolescence , June 23, 2016. Please substitute with the equivalent product IPA300S.