Hollow protein microspheres synthesized at the water/ionic liquid interface

Lisa Nii, Aki Takano, Masa Aki Morikawa, Nobuo Kimizuka

    Research output: Contribution to conferencePaperpeer-review

    Abstract

    Hollow microspheres of proteins are prepared by emulsion-templating technique. When aqueous protein solution was added to hydrophobic ionic liquid (C4mimPF6) under vigorous stirring, aqueous proteins were adsorbed at the water/ionic liquid interface, which result in the formation of protein cages. Extraction of the microspheres into water was carried out by using cross-linking reaction with glutaraldehyde. Encapsulation of water-soluble functional molecules such as DNA and gold nanoparticles was easily realized by mixing of these molecules with aqueous proteins. Interfacial synthesis of protein microcapsules are widely applicable to various proteins, such as BSA, Ovalbumin, Cytc and Glucose Oxidase, and it provides general guidelines to produce functional microcapsules from biological macromolecules.

    Original languageEnglish
    Pages2123
    Number of pages1
    Publication statusPublished - 2006
    Event55th SPSJ Annual Meeting - Nagoya, Japan
    Duration: May 24 2006May 26 2006

    Other

    Other55th SPSJ Annual Meeting
    Country/TerritoryJapan
    CityNagoya
    Period5/24/065/26/06

    All Science Journal Classification (ASJC) codes

    • General Engineering

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