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- W2981355568 abstract "Nanoscale transportation in engineered environments is critical towards designing efficient and smart hybrid bio-nanodevices. Biomolecular motors, the smallest natural machines, are promising as actuators as well as sensors in hybrid nanodevices and hold enormous potentials in nanoscale transportation. Highly specific regulation of the activity of biomolecular motors is the key to control such integrated nanodevices. We present a simple method to regulate the activity of a biomolecular motor system, microtubule (MT)-kinesin by using a natural osmolyte trimethylamine-N-oxide (TMAO). Motility of kinesin-driven MTs in an in vitro gliding assay is regulated over a broad spectrum by using TMAO in a concentration dependent manner. The regulation of MT motility is rapid, reversible and repeatable over multiple cycles. Interestingly, the motility of MTs can be completely turned off using TMAO of a relatively high concentration. The halted motility of MTs is fully restored upon elimination of TMAO. Repeated cycles of TMAO addition and removal enable cyclical inhibition and restoration of the motility of MTs. These results demonstrate an ability to control nanoscale motion of a biomolecular motor in an artificial environment. This work facilitates further tunability over functions of biomolecular motors, which in turn will foster their nanotechnological applications, such as in nano-transportation." @default.
- W2981355568 created "2019-11-01" @default.
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- W2981355568 date "2020-02-01" @default.
- W2981355568 modified "2023-10-16" @default.
- W2981355568 title "Complete, rapid and reversible regulation of the motility of a nano-biomolecular machine using an osmolyte trimethylamine-N-oxide" @default.
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- W2981355568 doi "https://doi.org/10.1016/j.snb.2019.127231" @default.
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