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Showing 1–12 of 12 results
Advanced filters: Author: Albert C. Fahrenbach Clear advanced filters
    • Alok S. Tayi
    • Alexander K. Shveyd
    • Samuel I. Stupp
    Research
    Nature
    Volume: 547, P: E14-E15
  • Organic ferroelectrics with switchable electrical polarization would be an attractive prospect for applications if their Curie temperature—below which these materials display ferroelectric behaviour—could be raised to room temperature or above; this goal has now been achieved with a family of organic materials characterized by a supramolecular structural motif.

    • Alok S. Tayi
    • Alexander K. Shveyd
    • Samuel I. Stupp
    Research
    Nature
    Volume: 488, P: 485-489
  • Currently, gold recovery from waste materials requires inorganic cyanides and more environmentally benign methods are required. Here, the authors report that host–guest interactions between α-cyclodextrin and gold lead to the precipitation of one-dimensional superstructures, offering a selective and green alternative.

    • Zhichang Liu
    • Marco Frasconi
    • J. Fraser Stoddart
    ResearchOpen Access
    Nature Communications
    Volume: 4, P: 1-9
  • It’s generally assumed that primitive forms of cellular life arose from nucleic acids and peptides compartmentalized within vesicles — all underpinned by a non-enzymatic protometabolism. Three studies now provide new insights into the ancient chemistry that may have supported early biology.

    • Albert C. Fahrenbach
    • Quoc Phuong Tran
    News & Views
    Nature Chemistry
    Volume: 12, P: 982-985
  • Identifying a non-enzymatic method of replicating RNA for multiple cycles has been problematic because rapid strand reannealing outcompetes slow non-enzymatic template copying. Now, oligoarginine peptides have been shown to inhibit reannealing while still allowing short primers and activated monomers to bind to the template strand, facilitating the next round of template copying.

    • Tony Z. Jia
    • Albert C. Fahrenbach
    • Jack W. Szostak
    Research
    Nature Chemistry
    Volume: 8, P: 915-921
  • The construction and operation of interlocked molecular machines often rely on the mutual recognition of different building blocks through a range of non-covalent interactions. Researchers have now shown that the versatility of bipyridinium systems can be increased by taking advantage of the complexes formed between their radical cations; with this approach they have been able to make electrochemically switchable bi- and tristable rotaxanes.

    • Ali Trabolsi
    • Niveen Khashab
    • J. Fraser Stoddart
    Research
    Nature Chemistry
    Volume: 2, P: 42-49
  • Tetrathiafulvalene (TTF)-based [3]catenanes are shown to display multiple stable redox states dominated by TTF···TTF radical dimer interactions occurring within the cavity of what is essentially a ‘molecular flask’. These stabilizing interactions are found to be the basis of a novel recognition motif that can be employed to drive molecular switching under redox control.

    • Jason M. Spruell
    • Ali Coskun
    • J. Fraser Stoddart
    Research
    Nature Chemistry
    Volume: 2, P: 870-879