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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) Programmed migrationof two Au nanoparticles. (b) STEM imagescorresponding to the different structures; the bar corresponds to20 nm. Reprinted with permission from ref (1916). Copyright 2013 Nature Publishing Group.
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fig73: (a) Programmed migrationof two Au nanoparticles. (b) STEM imagescorresponding to the different structures; the bar corresponds to20 nm. Reprinted with permission from ref (1916). Copyright 2013 Nature Publishing Group.

Mentions: Willner and co-workers have used catenated DNAmachines as carriersof Au nanoparticles.1916 Ordered assembliesof nanoparticles with defined geometries have recently attracted agreat deal of interest as these engineered nanoparticle systems areanticipated to show unique plasmonic properties.1917,1918 The synthesis and structural characterization of DNA catenanes hasbeen reported previously,1847,1849,1919,1920 as has a three-station directionalDNA catenane rotary motor.1921 A three-ringcatenated nanostructure has been used to program the assembly of twoAu nanoparticles (of 5 and 10 nm diameter, Figure 73). One of the nanoparticles was attachedto ring α and the other to ring γ (L1). Ringα included two equivalent domains, I and II, which are complementaryto domain III on ring γ. While the initial duplex between ringsβ and γ in region III is energetically favored, treatmentof the linear catenated system L1 with a fuel strand (Fu)displaces ring γ, which then translocates through hybridizationto either site I or II of ring α (structures M1 orM2). In the presence of the appropriate blocker units (B),the directional translocation of ring γ proceeds below or abovethe central ring β to yield the configurations M3 or M4, respectively. The changes in proximity of thenanoparticles led to changes in plasmonic coupling, which was theoreticallymodeled. Such systems could have uses in nanomedicine and intracellulardiagnostics.1916


Artificial Molecular Machines.

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

(a) Programmed migrationof two Au nanoparticles. (b) STEM imagescorresponding to the different structures; the bar corresponds to20 nm. Reprinted with permission from ref (1916). Copyright 2013 Nature Publishing Group.
© Copyright Policy
Related In: Results  -  Collection

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

fig73: (a) Programmed migrationof two Au nanoparticles. (b) STEM imagescorresponding to the different structures; the bar corresponds to20 nm. Reprinted with permission from ref (1916). Copyright 2013 Nature Publishing Group.
Mentions: Willner and co-workers have used catenated DNAmachines as carriersof Au nanoparticles.1916 Ordered assembliesof nanoparticles with defined geometries have recently attracted agreat deal of interest as these engineered nanoparticle systems areanticipated to show unique plasmonic properties.1917,1918 The synthesis and structural characterization of DNA catenanes hasbeen reported previously,1847,1849,1919,1920 as has a three-station directionalDNA catenane rotary motor.1921 A three-ringcatenated nanostructure has been used to program the assembly of twoAu nanoparticles (of 5 and 10 nm diameter, Figure 73). One of the nanoparticles was attachedto ring α and the other to ring γ (L1). Ringα included two equivalent domains, I and II, which are complementaryto domain III on ring γ. While the initial duplex between ringsβ and γ in region III is energetically favored, treatmentof the linear catenated system L1 with a fuel strand (Fu)displaces ring γ, which then translocates through hybridizationto either site I or II of ring α (structures M1 orM2). In the presence of the appropriate blocker units (B),the directional translocation of ring γ proceeds below or abovethe central ring β to yield the configurations M3 or M4, respectively. The changes in proximity of thenanoparticles led to changes in plasmonic coupling, which was theoreticallymodeled. Such systems could have uses in nanomedicine and intracellulardiagnostics.1916

View Article: PubMed Central - PubMed

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

AUTOMATICALLY GENERATED EXCERPT
Please rate it.

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.