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Artificial Molecular Machines.

Erbas-Cakmak S, Leigh DA, McTernan CT, Nussbaumer AL - Chem. Rev. (2015)

View Article: PubMed Central - PubMed

Affiliation: School of Chemistry, University of Manchester , Oxford Road, Manchester M13 9PL, United Kingdom.

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bonded molecules and on catenanes and rotaxanes in which switching of other protic solvents... This effect (listed in descending binding ability) stations on the thread, macrocycle In these systems, fast-responding reporters are preferred... practical applications by utilizing molecular scale changes to create macroscopic effects... The thread of these rotaxanes included an anthracene fluorophore similar application in synthetic polymers often furnishes a useful result... of Brownian motion can be exploited to great effect in the synthesis every aspect of functional molecule and materials design... An improved robotics” in which ratcheted motions of molecular components

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(a) Molecular structureof gyrotops 150 and 151. The bulkier 151 does not exhibit rotation.(b) X-ray structure of 150. (c) Single crystal of 150 irradiated with polarized white light. (d) X-ray structureof 151. (e) Single crystal irradiated with polarizedwhite light. For 150, a continuous change in color wasobserved, due to thermal expansion. Reprinted with permission fromref (1530). Copyright2012 American National Academy of Sciences.
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fig62: (a) Molecular structureof gyrotops 150 and 151. The bulkier 151 does not exhibit rotation.(b) X-ray structure of 150. (c) Single crystal of 150 irradiated with polarized white light. (d) X-ray structureof 151. (e) Single crystal irradiated with polarizedwhite light. For 150, a continuous change in color wasobserved, due to thermal expansion. Reprinted with permission fromref (1530). Copyright2012 American National Academy of Sciences.

Mentions: Yamaguchi et al. reportedcrystalline molecular gyrotop, whichshowed temperature-dependent changes in optical properties as a resultof structural expansion upon rotor acceleration (Figure 62).1530−1532 Utilizing a phenylene moiety as the rotor, they observed that theorientation of the rotor in the crystal was ordered below 270 K, butbecame disordered above this temperature generating a slight deformationof the crystal lattice. Using the temperature-dependent features ofthe crystal, the birefringence (Δn) of thecrystal could be controlled. At 280 K, the phenylene moiety undergoesa 180° flipping between two equilibrium states, which providesan almost constant Δn. Above this temperature,Δn decreases as the phenylene moiety rapidlyrotates, and the cage expands. The dynamic and optical propertiesare reversible.1530


Artificial Molecular Machines.

Erbas-Cakmak S, Leigh DA, McTernan CT, Nussbaumer AL - Chem. Rev. (2015)

(a) Molecular structureof gyrotops 150 and 151. The bulkier 151 does not exhibit rotation.(b) X-ray structure of 150. (c) Single crystal of 150 irradiated with polarized white light. (d) X-ray structureof 151. (e) Single crystal irradiated with polarizedwhite light. For 150, a continuous change in color wasobserved, due to thermal expansion. Reprinted with permission fromref (1530). Copyright2012 American National Academy of Sciences.
© Copyright Policy
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4585175&req=5

fig62: (a) Molecular structureof gyrotops 150 and 151. The bulkier 151 does not exhibit rotation.(b) X-ray structure of 150. (c) Single crystal of 150 irradiated with polarized white light. (d) X-ray structureof 151. (e) Single crystal irradiated with polarizedwhite light. For 150, a continuous change in color wasobserved, due to thermal expansion. Reprinted with permission fromref (1530). Copyright2012 American National Academy of Sciences.
Mentions: Yamaguchi et al. reportedcrystalline molecular gyrotop, whichshowed temperature-dependent changes in optical properties as a resultof structural expansion upon rotor acceleration (Figure 62).1530−1532 Utilizing a phenylene moiety as the rotor, they observed that theorientation of the rotor in the crystal was ordered below 270 K, butbecame disordered above this temperature generating a slight deformationof the crystal lattice. Using the temperature-dependent features ofthe crystal, the birefringence (Δn) of thecrystal could be controlled. At 280 K, the phenylene moiety undergoesa 180° flipping between two equilibrium states, which providesan almost constant Δn. Above this temperature,Δn decreases as the phenylene moiety rapidlyrotates, and the cage expands. The dynamic and optical propertiesare reversible.1530

View Article: PubMed Central - PubMed

Affiliation: School of Chemistry, University of Manchester , Oxford Road, Manchester M13 9PL, United Kingdom.

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bonded molecules and on catenanes and rotaxanes in which switching of other protic solvents... This effect (listed in descending binding ability) stations on the thread, macrocycle In these systems, fast-responding reporters are preferred... practical applications by utilizing molecular scale changes to create macroscopic effects... The thread of these rotaxanes included an anthracene fluorophore similar application in synthetic polymers often furnishes a useful result... of Brownian motion can be exploited to great effect in the synthesis every aspect of functional molecule and materials design... An improved robotics” in which ratcheted motions of molecular components

No MeSH data available.