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      A hollow microshuttle-shaped capsule covalent organic framework for protein adsorption.

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          Abstract

          Covalent organic frameworks (COFs) are a class of crystalline porous materials utilized in various potential applications. However, the development of hollow-structured COFs with defined morphology is important for their further applications, which is rare. Herein, COF with unique hollow shuttle morphology was prepared by a Schiff condensation reaction between 4-(4-aldehyde phenyl)ethylene (TPE) and tetra-(4-aminophenyl) porphyrin (TAP). A detailed mechanistic investigation reveals that an initial self-assembly followed by a similar inside-out Ostwald ripening process is responsible for the hollow capsule formation. The hollow microshuttle-shaped capsule COF is used for studying hemoglobin adsorption, which shows an uptake of 550.82 mg g-1 of hemoglobin. These studies could foreshadow new avenues for the development of porous materials with defined morphologies for the adsorption of biomolecules.

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          Author and article information

          Journal
          J Mater Chem B
          Journal of materials chemistry. B
          Royal Society of Chemistry (RSC)
          2050-7518
          2050-750X
          March 07 2019
          : 7
          : 9
          Affiliations
          [1 ] Key Laboratory of Medicinal Chemistry for Natural Resource (Yunnan University), Ministry of Education, Functional Molecules Analysis and Biotransformation Key Laboratory of Universities in Yunnan Province, School of Chemical Science and Technology, Yunnan University, Kunming, Yunnan 650091, P. R. China. zhengliyan@ynu.edu.cn zhanghb@ynu.edu.cn.
          Article
          10.1039/c8tb02870b
          32255018
          8d56ccc1-fa87-4558-985f-94789d27cee1
          History

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