Chiromers : conformation-driven mirror-image supramolecular chirality isomerism identified in a new class of helical rosette nanotubes

Alternative titleChiromers : conformation driven mirror image supramolecular chirality isomerism identified in a new class of helical rosette nanotubes
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DOIResolve DOI: http://doi.org/10.1039/c4nr00340c
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TypeArticle
Journal titleNanoscale
ISSN2040-3364
Volume6
Issue16
Pages94219427; # of pages: 7
AbstractRosette nanotubes are biologically inspired nanostructures, formed through the hierarchical organization of a hybrid DNA base analogue (G∧C), which features hydrogen-bonding arrays of guanine and cytosine. Several twin-G∧C motifs functionalized with chiral moieties, which undergo a self-assembly process under methanolic and aqueous conditions to produce helical rosette nanotubes (RNTs), were synthesized and characterized. The built-in molecular chirality in the twin-G∧C building blocks led to the supramolecular chirality exhibited by the RNTs, as evidenced by the CD activity. Depending on the motifs and environmental conditions, mirror-image supramolecular chirality due to absolute molecular chirality, solvent-induced and structure-dependent supramolecular chirality inversion, and pH-controlled chiroptical switching were observed.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); Security and Disruptive Technologies
Peer reviewedYes
NPARC number21272998
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Record identifier93563f11-f912-4827-8369-8be2115409d5
Record created2014-12-04
Record modified2016-05-09
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