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Transient two-dimen...
Transient two-dimensional vibrational spectroscopy of an operating molecular machine
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- Panman, Matthijs R, 1983 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för kemi och molekylärbiologi,Department of Chemistry and Molecular Biology
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Van Dijk, C. N. (författare)
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Huerta-Viga, A. (författare)
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Sanders, H. J. (författare)
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Bakker, B. H. (författare)
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Leigh, D. A. (författare)
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Brouwer, A. M. (författare)
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Buma, W. J. (författare)
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Woutersen, S. (författare)
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(creator_code:org_t)
- 2017-12-20
- 2017
- Engelska.
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Ingår i: Nature Communications. - : Springer Science and Business Media LLC. - 2041-1723. ; 8:1
- Relaterad länk:
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https://doi.org/10.1...
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Synthetic molecular machines are promising building blocks for future nanoscopic devices. However, the details of their mechanical behaviour are in many cases still largely unknown. A deeper understanding of mechanics at the molecular level is essential for the design and construction of complex nanodevices. Here, we show that transient two-dimensional infrared (T2DIR) spectroscopy makes it possible to monitor the conformational changes of a translational molecular machine during its operation. Translation of a macrocyclic ring from one station to another on a molecular thread is initiated by a UV pulse. The arrival of the shuttling macrocycle at the final station is visible from a newly appearing cross peak between these two moieties. To eliminate spectral congestion in the T2DIR spectra, we use a subtraction method applicable to many other complex molecular systems. The T2DIR spectra indicate that the macrocycle adopts a boat-like conformation at the final station, which contrasts with the chair-like conformation at the initial station. © 2017 The Author(s).
Ämnesord
- NATURVETENSKAP -- Biologi -- Biokemi och molekylärbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Biochemistry and Molecular Biology (hsv//eng)
Nyckelord
- complexity
- design
- equipment
- molecular analysis
- spectroscopy
- two-dimensional modeling
- ultraviolet radiation
- vibration
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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