The DOI matches its Crossref record; 46 of the 46 references it cites were found in a registry or an index.
Polydopamine Nanoparticles Modulating Stimuli-Responsive PNIPAM Hydrogels with Cell/Tissue Adhesiveness
Abstract
Stimuli-responsive hydrogels can respond to stimuli by phase transformation or volume change and exhibit specific functions. Near-infrared (NIR)-responsive hydrogel is a type of stimuli-responsive hydrogel, which can be precisely controlled by altering the radiation intensity, exposure time of the light source, and irradiation sites. Here, polydopamine nanoparticles (PDA-NPs) were introduced into a poly(N-isopropylacrylamide) (PNIPAM) network to fabricate a PDA-NPs/PNIPAM hydrogel with NIR responsibility, self-healing ability, and cell/tissue adhesiveness. After incorporation of PDA-NPs into the hydrogel, the PDA-NPs/PNIPAM hydrogel showed phase transitions and volume changes in response to NIR. Thus, the hydrogel can achieve triple response effects, including pulsatile drug release, NIR-driven actuation, and NIR-assisted healing. After coating PDA-NPs onto hydrogel surfaces, the hydrogel showed improved cell affinity, good tissue adhesiveness, and growth factor/protein immobilization ability because of reactive catechol groups on PDA-NPs. The tissue adhesion strength to porcine skin was as high as 90 KPa. In vivo full-skin defect experiments demonstrated that PDA-NPs coating on the hydrogel and an immobilized growth factor had a synergistic effect on accelerating wound healing. In summary, we combined thermosensitive PNIPAM and mussel-inspired PDA-NPs to form a NIR-responsive hydrogel, which may have potential applications for chemical and physical therapies.
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Cites
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Cited by
Mussel-inspired hydrogels: From design principles to promising applications
Zhang, C., Wu, B., Zhou, Y., Zhou, F., Liu, W., & Wang, Z. (2020) · Chemical Society Reviews · doi:10.1039/c9cs00849g · Cited by 653
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Metadata
- Authors
- Han, L., Zhang, Y., Lu, X., Wang, K., Wang, Z., & Zhang, H.
- Venue
- ACS Applied Materials & Interfaces
- Publisher
- American Chemical Society (ACS)
- Published
- 2016-10-14
- Volume
- 8
- Issue
- 42
- Pages
- 29088-29100
- ISSN
- 1944-8244 (ISSN-L)
- 1944-8252
- OpenAlex
- W2529013366
- Cited by
- 308
- References
- 46
- FWCI
- 9.08
- Type
- journal article
- Language
- en
- Open access
- closed
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- Han, L., Zhang, Y., Lu, X., Wang, K., Wang, Z., & Zhang, H. (2016). Polydopamine Nanoparticles Modulating Stimuli-Responsive PNIPAM Hydrogels with Cell/Tissue Adhesiveness. ACS Applied Materials & Interfaces. https://doi.org/10.1021/acsami.6b11043
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