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A reversible molecular valve
Open accessAbstract
In everyday life, a macroscopic valve is a device with a movable control element that regulates the flow of gases or liquids by blocking and opening passageways. Construction of such a device on the nanoscale level requires ( i ) suitably proportioned movable control elements, ( ii ) a method for operating them on demand, and ( iii ) appropriately sized passageways. These three conditions can be fulfilled by attaching organic, mechanically interlocked, linear motor molecules that can be operated under chemical, electrical, or optical stimuli to stable inorganic porous frameworks (i.e., by self-assembling organic machinery on top of an inorganic chassis). In this article, we demonstrate a reversibly operating nanovalve that can be turned on and off by redox chemistry. It traps and releases molecules from a maze of nanoscopic passageways in silica by controlling the operation of redox-activated bistable [2]rotaxane molecules tethered to the openings of nanopores leading out of a nanoscale reservoir.
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Citations
Cited by
Mesoporous silica nanoparticles for drug delivery and biosensing applications
Slowing, I. I., Trewyn, B. G., Giri, S., & Lin, V. S. ‐. (2007) · Advanced Functional Materials · doi:10.1002/adfm.200601191 · Cited by 1,699
Trewyn, B. G., Slowing, I. I., Giri, S., Chen, H.-T., & Lin, V. S.-Y. (2007) · Accounts of Chemical Research · doi:10.1021/ar600032u · Cited by 1,123
Mesoporous Silica Nanoparticles for Drug Delivery
Manzano, M., & Vallet‐Regí, M. (2020) · Advanced Functional Materials · doi:10.1002/adfm.201902634 · Cited by 939
Challenges and breakthroughs in recent research on self-assembly
Ariga, K., Hill, J. P., Lee, M. V., Vinu, A., Charvet, R., & Acharya, S. (2008) · Science and Technology of Advanced Materials · doi:10.1088/1468-6996/9/1/014109 · Cited by 759
Synthetische molekulare Motoren und mechanische Maschinen
Kay, E. R., Leigh, D. A., & Zerbetto, F. (2007) · Angewandte Chemie · doi:10.1002/ange.200504313 · Cited by 624
Metadata
- Authors
- Nguyen, T. D., Tseng, H.-R., Celestre, P. C., Flood, A. H., Liu, Y., Stoddart, J. F., & Zink, J. I.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 2005-07-08
- Volume
- 102
- Issue
- 29
- Pages
- 10029-10034
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2052786742
- Cited by
- 463
- References
- 0
- FWCI
- 19.65
- Type
- journal article
- Language
- en
- Open access
- green
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- CoChat. (2026). Citation check: A reversible molecular valve. https://app.cochat.ai/papers/10.1073/pnas.0504109102
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- Nguyen, T. D., Tseng, H.-R., Celestre, P. C., Flood, A. H., Liu, Y., Stoddart, J. F., & Zink, J. I. (2005). A reversible molecular valve. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.0504109102
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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