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Designing artificial cells to harness the biological ion concentration gradient
Open accessAbstract
Cell membranes contain numerous nanoscale conductors in the form of ion channels and ion pumps1–4 that work together to form ion concentration gradients across the membrane, which can be triggered to release an action potential (AP) 1, 5. We ask if artificial cells can be built to utilize ion transport as effectively as natural cells. Here we used the electrogenic cell (electrocyte) of an electric eel to model the formation of AP by tracking the conversion of ion concentration gradients into APs across the different nanoscale conductors. Using the parameters extracted from the model, we designed an artificial cell based on an optimized selection of conductors. The resulting cell is similar to the electrocyte but has higher power output density and greater energy conversion efficiency. We suggest methods for producing these artificial cells that have applications in powering medical implants and other tiny devices.
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Metadata
- Authors
- Xu, J., & Lavan, D. A.
- Venue
- Nature Nanotechnology
- Published
- 2008-09-21
- Volume
- 3
- Issue
- 11
- Pages
- 666-670
- ISSN
- 1748-3387 (ISSN-L)
- 1748-3395
- OpenAlex
- W2025650698
- Cited by
- 229
- References
- 1
- FWCI
- 3.62
- Type
- journal article
- Language
- en
- Open access
- green
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- Xu, J., & Lavan, D. A. (2008). Designing artificial cells to harness the biological ion concentration gradient. Nature Nanotechnology. https://doi.org/10.1038/nnano.2008.274
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