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Origin of nanomechanical cantilever motion generated from biomolecular interactions
Open accessAbstract
Generation of nanomechanical cantilever motion from biomolecular interactions can have wide applications, ranging from high-throughput biomolecular detection to bioactuation. Although it has been suggested that such motion is caused by changes in surface stress of a cantilever beam, the origin of the surface-stress change has so far not been elucidated. By using DNA hybridization experiments, we show that the origin of motion lies in the interplay between changes in configurational entropy and intermolecular energetics induced by specific biomolecular interactions. By controlling entropy change during DNA hybridization, the direction of cantilever motion can be manipulated. These thermodynamic principles were also used to explain the origin of motion generated from protein–ligand binding.
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Cites
Direct observation of kinesin stepping by optical trapping interferometry
Svoboda, K., Schmidt, C. F., Schnapp, B. J., & Block, S. M. (1993) · Nature · doi:10.1038/365721a0 · Cited by 1,910
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Raiteri, R., Grattarola, M., Butt, H.-J., & Skládal, P. (2001) · Sensors and Actuators B: Chemical · doi:10.1016/s0925-4005(01)00856-5 · Cited by 734
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Waggoner, P. S., & Craighead, H. G. (2007) · Lab on a Chip · doi:10.1039/b707401h · Cited by 678
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Kay, E. R., Leigh, D. A., & Zerbetto, F. (2007) · Angewandte Chemie · doi:10.1002/ange.200504313 · Cited by 624
Label-free biological and chemical sensors
Hunt, H. K., & Armani, A. M. (2010) · Nanoscale · doi:10.1039/c0nr00201a · Cited by 371
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Shekhawat, G., Tark, S.-H., & Dravid, V. P. (2006) · Science · doi:10.1126/science.1122588 · Cited by 286
Metadata
- Authors
- Wu, G., Ji, H., Hansen, K., Thundat, T., Datar, R., Cote, R., Hagan, M. F., Chakraborty, A. K., & Majumdar, A.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 2001-02-06
- Volume
- 98
- Issue
- 4
- Pages
- 1560-1564
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W2156720029
- Cited by
- 415
- References
- 1
- FWCI
- 6.84
- Type
- journal article
- Language
- en
- Open access
- green
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- Wu, G., Ji, H., Hansen, K., Thundat, T., Datar, R., Cote, R., Hagan, M. F., Chakraborty, A. K., & Majumdar, A. (2001). Origin of nanomechanical cantilever motion generated from biomolecular interactions. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.98.4.1560
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