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Ultrathin, Responsive Polymer Click Capsules
Abstract
We report a general click chemistry approach for the layer-by-layer assembly of ultrathin, polymer films on particles and the subsequent formation of polymer click capsules (CCs). Poly(acrylic acid) copolymers, synthesized with a minor component of either alkyne (PAA-Alk) or azide (PAA-Az) functionality, were alternately assembled on silica particles. The (PAA-Az/PAA-Alk)-coated particles were subsequently functionalized by exploiting the free alkyne click moieties present in the film upon exposure to an azide-modified rhodamine dye. Further, PAA CCs, obtained following removal of the silica particle template, were shown to exhibit pH-responsive behavior. This was demonstrated by reversible size changes of the CCs upon cycling between basic and acidic solutions. Polymer CCs are anticipated to find applications in various fields, including drug delivery and sensing.
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Citations
Cited by
Motornov, M., Roiter, Y., Tokarev, I., & Minko, S. (2010) · Progress in Polymer Science · doi:10.1016/j.progpolymsci.2009.10.004 · Cited by 773
“Click”‐Chemistry in Polymer and Material Science: the Update
Binder, W. H. (2008) · Macromolecular Rapid Communications · doi:10.1002/marc.200800332 · Cited by 567
Self-Polymerization of Dopamine as a Versatile and Robust Technique to Prepare Polymer Capsules
Postma, A., Yan, Y., Wang, Y., Zelikin, A. N., Tjipto, E., & Caruso, F. (2009) · Chemistry of Materials · doi:10.1021/cm901293e · Cited by 494
Self-citationJohnson, J. A., Finn, M. G., Koberstein, J. T., & Turro, N. J. (2008) · Macromolecular Rapid Communications · doi:10.1002/marc.200800208 · Cited by 320
van Dijk, M., Rijkers, D. T. S., Liskamp, R. M. J., van Nostrum, C. F., & Hennink, W. E. (2009) · Bioconjugate Chemistry · doi:10.1021/bc900087a · Cited by 300
Drug releasing nanoplatforms activated by alternating magnetic fields
Mertz, D., Sandre, O., & Bégin-Colin, S. (2017) · Biochimica et Biophysica Acta (BBA) - General Subjects · doi:10.1016/j.bbagen.2017.02.025 · Cited by 119
Metadata
- Authors
- Such, G. K., Tjipto, E., Postma, A., Johnston, A. P. R., & Caruso, F.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2007-05-26
- Volume
- 7
- Issue
- 6
- Pages
- 1706-1710
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2023717060
- Cited by
- 208
- References
- 0
- FWCI
- 13.23
- Type
- journal article
- Language
- en
- Open access
- closed
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