Issue 19, 2009

Composite soft-matter nanoscale objects: Nanocylinder-templated assembly of nanospheres

Abstract

We extend the surface layer-by-layer self-assembly strategy to the preparation of block copolymer-based composite nanoconstructs utilizing nanoscale building blocks. These composite materials are well-defined, hierarchically-organized nanoscale objects of a cylindrical form and core–shell morphology, having an outer coating of cationic shell-crosslinked knedel-like nanospheres. In addition to standard characterization techniques, a fluorescence resonance energy transfer experiment is designed and used to study the coating of anionic cylinders by cationic spheres. Expedited HeLa cell uptake is found for the composite nanostructures compared with the non-coated cylinders, indicating that this simple assembly strategy is a facile method to allow the secondary structure to inherit properties from its individual building blocks.

Graphical abstract: Composite soft-matter nanoscale objects: Nanocylinder-templated assembly of nanospheres

Additions and corrections

Article information

Article type
Communication
Submitted
05 May 2009
Accepted
03 Jul 2009
First published
17 Jul 2009

Soft Matter, 2009,5, 3585-3589

Composite soft-matter nanoscale objects: Nanocylinder-templated assembly of nanospheres

K. Zhang, H. Fang, Z. Li, J. Ma, S. V. Hohlbauch, J. A. Taylor and K. L. Wooley, Soft Matter, 2009, 5, 3585 DOI: 10.1039/B908871G

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