The DOI matches its Crossref record; 16 of the 16 references it cites were found in a registry or an index.
Characterization of Mechanically Matched Hydrogel Coatings to Improve the Biocompatibility of Neural Implants
Open accessAbstract
Glial scar is a significant barrier to neural implant function. Micromotion between the implant and tissue is suspected to be a key driver of glial scar formation around neural implants. This study explores the ability of soft hydrogel coatings to modulate glial scar formation by reducing local strain. PEG hydrogels with controllable thickness and elastic moduli were formed on the surface of neural probes. These coatings significantly reduced the local strain resulting from micromotion around the implants. Coated implants were found to significantly reduce scarring in vivo, compared to hard implants of identical diameter. Increasing implant diameter was found to significantly increase scarring for glass implants, as well as increase local BBB permeability, increase macrophage activation, and decrease the local neural density. These results highlight the tradeoff in mechanical benefit with the size effects from increasing the overall diameter following the addition of a hydrogel coating. This study emphasizes the importance of both mechanical and geometric factors of neural implants on chronic timescales.
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Cites
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Cited by
Yuk, H., Lu, B., & Zhao, X. (2019) · Chemical Society Reviews · doi:10.1039/c8cs00595h · Cited by 2,108
Liu, X., Liu, J., Lin, S., & Zhao, X. (2020) · Materials Today · doi:10.1016/j.mattod.2019.12.026 · Cited by 1,023
Transparent Electronics for Wearable Electronics Application
Won, D., Bang, J., Choi, S. H., Pyun, K. R., Jeong, S., Lee, Y., & Ko, S. H. (2023) · Chemical Reviews · doi:10.1021/acs.chemrev.3c00139 · Cited by 339
Park, S., Yuk, H., Zhao, R., Yim, Y. S., Woldeghebriel, E. W., Kang, J., Canales, A., Fink, Y., Choi, G. B., Zhao, X., et al. (2021) · Nature Communications · doi:10.1038/s41467-021-23802-9 · Cited by 312
Gulino, M., Kim, D., Pané, S., Santos, S. D., & Pêgo, A. P. (2019) · Frontiers in Neuroscience · doi:10.3389/fnins.2019.00689 · Cited by 159
Metadata
- Authors
- Spencer, K. C., Sy, J. C., Ramadi, K. B., Graybiel, A. M., Langer, R., & Cima, M. J.
- Venue
- Scientific Reports
- Published
- 2017-05-16
- Volume
- 7
- Issue
- 1
- Pages
- 12812-12812
- ISSN
- 2045-2322 (ISSN-L)
- OpenAlex
- W2612079677
- Cited by
- 181
- References
- 16
- FWCI
- 7.28
- Type
- journal article
- Language
- en
- Open access
- gold
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- Spencer, K. C., Sy, J. C., Ramadi, K. B., Graybiel, A. M., Langer, R., & Cima, M. J. (2017). Characterization of Mechanically Matched Hydrogel Coatings to Improve the Biocompatibility of Neural Implants. Scientific Reports. https://doi.org/10.1038/s41598-017-02107-2
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
