4.7 Article

New platform for simple and rapid protein-based affinity reactions

Journal

SCIENTIFIC REPORTS
Volume 7, Issue -, Pages -

Publisher

NATURE PUBLISHING GROUP
DOI: 10.1038/s41598-017-00264-y

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Funding

  1. Japan Society for the Promotion of Science [15K13756]
  2. Shimadzu Science Foundation
  3. Kurita Water and Environment Foundation
  4. Grants-in-Aid for Scientific Research [15K13756] Funding Source: KAKEN

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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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