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- W2052609135 endingPage "2260" @default.
- W2052609135 startingPage "2252" @default.
- W2052609135 abstract "Polyrotaxanes (PRs), in which α-cyclodextrins (α-CDs) were threaded onto poly(ethylene glycol) (PEG) chains capped with β-cyclodextrins (β-CDs), were prepared by click chemistry via a one-pot strategy in water at room temperature with high yield, up to 320 mg/100 mg PEG axis. The terminal β-CD cavity could be recognized by phenolphthalein and utilized to form a supramolecular block copolymer with alternate rod and coil segments via the formation of a host−guest inclusion complex with diadamantyl-terminated PEG. The prepared PR could further work as a novel template for the in situ deposition of platinum (Pt) nanoparticles (NPs) to fabricate metallic nanowires. TEM and SEM observations showed that the resulting polycrystalline nanowires with length of 50−200 nm and diameter of ca. 12 nm were composed of close-packed uniform Pt NPs with diameter of ca. 2.5 nm. The catalytic activity of the Pt nanowires was demonstrated by the reduction of 4-nitrophenol. The fascinating β-CD-capped PR is promising in a wide variety of fields such as supramolecular chemistry and bionanotechnology due to its facile and salable availability and biocompatibility." @default.
- W2052609135 created "2016-06-24" @default.
- W2052609135 creator A5007463264 @default.
- W2052609135 creator A5010077164 @default.
- W2052609135 creator A5073028872 @default.
- W2052609135 date "2010-02-04" @default.
- W2052609135 modified "2023-10-12" @default.
- W2052609135 title "β-Cyclodextrin-Capped Polyrotaxanes: One-Pot Facile Synthesis via Click Chemistry and Use as Templates for Platinum Nanowires" @default.
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- W2052609135 doi "https://doi.org/10.1021/ma902255v" @default.