Glycan-functionalized fluorescent chitin nanocrystals for biorecognition applications.

Glycan-functionalized fluorescent chitin nanocrystals for biorecognition applications.
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DOI:
10.1021/bc500004c
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发表时间:
2014-04-16
影响因子:
4.7
通讯作者:
Ramstrom, Olof
Ramstrom, Olof
中科院分区:
化学2区
文献类型:
--
作者:
Zhou, Juan;Butchosa, Nuria;Jayawardena, H. Surangi N.;Zhou, Qi;Yan, Mingdi;Ramstrom, Olof

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A new platform based on chitin nanocrystals has been developed for biorecognition applications. TEMPO-oxidized chitin nanocrystals (TCNs) were labeled with a fluorescent imidazoisoquinolinone dye, and simultaneously conjugated with carbohydrate ligands, resulting in dually functionalized TCNs. The biorecognition properties of the nanocrystals were probed with lectins and bacteria, resulting in selective interactions with their corresponding cognate carbohydrate-binding proteins, as visualized by optical, fluorescence, STEM, and TEM imaging. This represents a new approach to multifunctional nanomaterials based on naturally occurring polymers, holding high potential for biomedical applications.
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