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Defined hierarchical materials promise cell analysis and call for application‐driven design in practical use. The further issue is to develop advanced materials and devices for efficient label‐free cell capture with minimum instrumentation. Herein, the design of hierarchical beads is reported for efficient label‐free cell capture. Silica nanoparticles (size of ≈15 nm) are coated onto silica spheres...
In article number 1902441, Kun Qian and co‐workers design hierarchical beads for label‐free cell capture. Silica nanoparticles are coated on silica spheres for surface roughness and then combined with microbeads to assemble hierarchical structures. Functionalized by hyaluronic acid, the hierarchical beads display desirable structural parameters with high cell capture efficiency.
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