New platform for simple and rapid protein-based affinity reactions

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Abstract

We developed a spongy-like porous polymer (spongy monolith) consisting of poly(ethylene-co-glycidyl methacrylate) with continuous macropores that allowed efficient in situ reaction between the epoxy groups and proteins of interest. Immobilization of protein A on the spongy monolith enabled high-yield collection of immunoglobulin G (IgG) from cell culture supernatant even at a high flow rate. In addition, immobilization of pepsin on the spongy monolith enabled efficient online digestion at a high flow rate.

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Kubota, K., Kubo, T., Tanigawa, T., Naito, T., & Otsuka, K. (2017). New platform for simple and rapid protein-based affinity reactions. Scientific Reports, 7(1). https://doi.org/10.1038/s41598-017-00264-y

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