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Smart Microgel Capsules from Macromolecular Precursors
Abstract
Microgel particles and capsules which consist of multiple layers can be fabricated using droplet microfluidics, but in existing methods, emulsion templating forms layers of dissimilar polarity. In this paper, we fabricate functional microgel capsules that consist of two miscible yet distinct layers. We use microfluidic devices to template micrometer-sized drops that are loaded with prepolymerized precursors and solidify them through a polymer-analogous reaction. This allows the particle morphology to be controlled and prevents pronounced interpenetration of the different layers despite their miscibility. We use polyacrylamide and poly(N-isopropylacrylamide) precursors to form thermoresponsive core-shell microparticles and demonstrate their utility for encapsulation and controlled release applications.
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Citations
Cited by
Hydrogel microparticles for biomedical applications
Daly, A. C., Riley, L., Segura, T., & Burdick, J. A. (2019) · Nature Reviews Materials · doi:10.1038/s41578-019-0148-6 · Cited by 1,249
Microfluidic fabrication of microparticles for biomedical applications
Li, W., Zhang, L., Ge, X., Xu, B., Zhang, W., Qu, L., Choi, C.-H., Xu, J., Zhang, A., Lee, H., et al. (2018) · Chemical Society Reviews · doi:10.1039/c7cs00263g · Cited by 585
Self-citationMultiphase flow microfluidics for the production of single or multiple emulsions for drug delivery
Zhao, C.-X. (2013) · Advanced Drug Delivery Reviews · doi:10.1016/j.addr.2013.05.009 · Cited by 451
Development and future of droplet microfluidics
Nan, L., Zhang, H., Weitz, D. A., & Shum, H. C. (2024) · Lab on a Chip · doi:10.1039/d3lc00729d · Cited by 253
Self-citationForced transport of deformable containers through narrow constrictions
Kusters, R., van der Heijden, T., Kaoui, B., Harting, J., & Storm, C. (2014) · Physical Review E · doi:10.1103/physreve.90.033006 · Cited by 40
Metadata
- Authors
- Seiffert, S., Thiele, J., Abate, A. R., & Weitz, D. A.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2010-04-16
- Volume
- 132
- Issue
- 18
- Pages
- 6606-6609
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W1986672238
- Cited by
- 206
- References
- 0
- FWCI
- 11.65
- Type
- journal article
- Language
- en
- Open access
- closed
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- Seiffert, S., Thiele, J., Abate, A. R., & Weitz, D. A. (2010). Smart Microgel Capsules from Macromolecular Precursors. Journal of the American Chemical Society. https://doi.org/10.1021/ja102156h
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