4.8 Article

Biomimetic Immuno-Magnetosomes for High-Performance Enrichment of Circulating Tumor Cells

Journal

ADVANCED MATERIALS
Volume 28, Issue 36, Pages 7929-7935

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201601643

Keywords

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Funding

  1. 863 Program [2013AA032204]
  2. National Natural Science Foundation of China [21422502, 21372028]
  3. Beijing Nova Program [Z141102001814066]
  4. Beijing Talents Fund [2015000021223ZK20]

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A novel biomimetic immuno-magnetosome (IMS) is developed by coating a leukocyte membrane (decorated with anti-epithelial cell-adhesion molecule antibody) on a magnetic nanocluster. In addition to the good stability and magnetic controllability, the IMS also exhibits satisfactory binding avidity to circulating tumor cells but stealth property to leukocytes. As a result, rare tumor cells can be effectively enriched with undetectable leukocyte background.

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