The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Ionic Conductivity of Polyelectrolyte Hydrogels
Abstract
Polyelectrolytes have many important functions in both living organisms and man-made applications. One key property of polyelectrolytes is the ionic conductivity due to their porous networks that allow the transport of water and small molecular solutes. Among polyelectrolytes, zwitterionic polymers have attracted huge attention for applications that involve ion transport in a polyelectrolyte matrix; however, it is still unclear how the functional groups of zwitterionic polymer side chains affect their ion transport and swelling properties. In this study, zwitterionic poly(carboxybetaine acrylamide), poly(2-methacryloyloxyethyl phosphorylcholine), and poly(sulfobetaine methacrylate) hydrogels were synthesized and their ionic conductivity was studied and compared to cationic, anionic, and nonionic hydrogels. The change of the ionic conductivity of zwitterionic and nonionic hydrogels in different saline solutions was investigated in detail. Zwitterionic hydrogels showed much higher ionic conductivity than that of the widely used nonionic poly(ethylene glycol) methyl ether methacrylate hydrogel in all tested solutions. For both cationic and anionic hydrogels, the presence of mobile counterions led to high ionic conductivity in low salt solutions; however, the ionic conductivity of zwitterionic hydrogels surpassed that of cationic and ionic hydrogels in high salt solutions. Cationic and anionic hydrogels showed much higher water content than that of zwitterionic hydrogels in deionized water; however, the cationic hydrogels shrank significantly with increasing saline concentration. This work provides insight into the effects of polyelectrolyte side chains on ion transport. This can guide us in choosing better polyelectrolytes for a broad spectrum of applications, including bioelectronics, neural implants, battery, and so on.
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Citations
Cites
Hydrogels for biomedical applications
Hoffman, A. S. (2012) · Advanced Drug Delivery Reviews · doi:10.1016/j.addr.2012.09.010 · Cited by 3,396
Zwitterionic hydrogels implanted in mice resist the foreign-body reaction
Zhang, L., Cao, Z., Bai, T., Carr, L., Ella-Menye, J.-R., Irvin, C., Ratner, B. D., & Jiang, S. (2013) · Nature Biotechnology · doi:10.1038/nbt.2580 · Cited by 1,035
Cao, B., Li, L., Wu, H., Tang, Q., Sun, B., Dong, H., Zhe, J., & Cheng, G. (2014) · Chem. Commun. · doi:10.1039/c3cc48878k · Cited by 66
Self-citation
Cited by
Sui, X., Guo, H., Cai, C., Li, Q., Wen, C., Zhang, X., Wang, X., Yang, J., & Zhang, L. (2021) · Chemical Engineering Journal · doi:10.1016/j.cej.2021.129478 · Cited by 445
Functionalized Hydrogel-Based Wearable Gas and Humidity Sensors.
Luo, Y., Li, J., Ding, Q., Wang, H., Liu, C., & Wu, J. (2023) · Nano-Micro Letters · doi:10.1007/s40820-023-01109-2 · Cited by 236
“The ionic conductivity of hydrogels is commonly enhanced by preparing polyelectrolyte networks or constructing ion channels in hydrogel networks [148, 149].”
BackgroundSelf-citationHydrogel-based cardiac repair and regeneration function in the treatment of myocardial infarction
Xu, Q., Xiao, Z., Yang, Q., Yu, T., Deng, X., Chen, N., Huang, Y., Wang, L., Guo, J., & Wang, J. (2024) · Materials Today Bio · doi:10.1016/j.mtbio.2024.100978 · Cited by 77
Metadata
- Authors
- Lee, C.-J., Wu, H., Hu, Y., Young, M., Wang, H., Lynch, D., Xu, F., Cong, H., & Cheng, G.
- Venue
- ACS Applied Materials & Interfaces
- Publisher
- American Chemical Society (ACS)
- Published
- 2018-01-31
- Volume
- 10
- Issue
- 6
- Pages
- 5845-5852
- ISSN
- 1944-8244 (ISSN-L)
- 1944-8252
- OpenAlex
- W2786350850
- Cited by
- 248
- References
- 3
- FWCI
- 5.35
- Type
- journal article
- Language
- en
- Open access
- closed
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