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Showing 1–18 of 18 results
Advanced filters: Author: Justin Lorentz Clear advanced filters

  • Propagation-invariant wave packets confined in space and time can be useful for optical sensing, imaging, and nonlinear and quantum optics. Here the authors demonstrate control over the angular dispersion of optical wave packets in two-transverse dimensions to synthesize space-time wave packets localized in all dimensions.

    • Murat Yessenov
    • Justin Free
    • Ayman F. Abouraddy
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-13

  • The established means of bandgap control in semiconductors are based on chemical, electrical or optical doping. Here, the authors report wide bandgap modulations in monolayer WS2 at room temperature by coupling the 2D semiconductor to a self-assembled plasmonic crystal inducing coherent hot electron doping.

    • Yu-Hui Chen
    • Ronnie R. Tamming
    • Min Qiu
    ResearchOpen Access
    Nature Communications
    Volume: 12, P: 1-8

  • The synthesis of uranium- and thorium-containing metallabiphenylenes demonstrates the ability of the actinides to stabilize aromatic/antiaromatic structures where transition metals have failed.

    • Justin K. Pagano
    • Jing Xie
    • Jaqueline L. Kiplinger
    Research
    Nature
    Volume: 578, P: 563-567

  • The chemistry of the post-plutonium actinides is thought to resemble lanthanides in that bonding is primarily ionic. Here, the authors show that a californium(III) complex displays significantly different properties to those predicted for the free ion owing to a second break in actinide periodicity.

    • Samantha K. Cary
    • Monica Vasiliu
    • Thomas E. Albrecht-Schmitt
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-8

  • Photoinduced changes in transmission, reflection and scattering prevent conventional pump-probe spectroscopy to unambiguously assign the origin of spectral signatures. Ashoka et al. have developed an optical modelling technique to extract quantitative and unambiguous changes in the dielectric function from standard pump-probe measurements.

    • Arjun Ashoka
    • Ronnie R. Tamming
    • Akshay Rao
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-8

  • Actinides generally form ionic compounds, however, when electron-rich ligands with large hyperpolarizabilities are used, partially covalent bonds can also form. Now a rare californium borate is shown to exhibit significant differences from other f-elements in its structure and bonding. Quantum mechanical calculations support Cf and ligand orbital interactions, also indicating partial covalent bonding.

    • Matthew J. Polinski
    • Edward B. Garner III
    • Thomas E. Albrecht-Schmitt
    Research
    Nature Chemistry
    Volume: 6, P: 387-392

  • The human enzyme CTP synthase forms polymeric filaments with increased catalytic activity, in contrast to the inactive filaments formed by bacterial CTP synthase. Cryo-EM and crystallographic analyses explain the structural bases for those different behaviors.

    • Eric M Lynch
    • Derrick R Hicks
    • Justin M Kollman
    Research
    Nature Structural & Molecular Biology
    Volume: 24, P: 507-514

  • XXXMicrotubules are nucleated in vivo by γ-tubulin complexes and comprise 13 protofilaments. How this precise geometry is controlled remains unclear. These authors report the cryo-electron microscopic structure of the universally conserved, core microtubule nucleating complex, γ-tubulin small complex. The structure provides insight into how this complex establishes thirteen-fold tubulin symmetry.

    • Justin M. Kollman
    • Jessica K. Polka
    • David A. Agard
    Research
    Nature
    Volume: 466, P: 879-882

  • Unlike in the d block, intervalence charge transfer is rare in the 5f block owing to localized valence electrons and poor overlap between metal and ligand orbitals. Delocalization of 5f electrons has now been observed in a Pu(III)/Pu(IV)–pyridinedicarboxylate solid-state compound. It occurs through metal-to-ligand charge transfer with both plutonium centres.

    • Samantha K. Cary
    • Shane S. Galley
    • Thomas E. Albrecht-Schmitt
    Research
    Nature Chemistry
    Volume: 9, P: 856-861

  • The γ-tubulin ring complex (γTuRC) nucleates microtubules in the cell. The functional, closed state of yeast γTuRC is now visualized, and its microtubule-nucleating activity is found to be species specific.

    • Justin M Kollman
    • Charles H Greenberg
    • David A Agard
    Research
    Nature Structural & Molecular Biology
    Volume: 22, P: 132-137

  • Advances in computational omics technologies are enabling access to the hidden diversity of natural products, and artificial intelligence approaches are facilitating key steps in harnessing the therapeutic potential of such compounds, including biological activity prediction. This article discusses synergies between these fields to effectively identify drug candidates from the plethora of molecules produced by nature, and how to address the challenges in realizing the potential of these synergies.

    • Michael W. Mullowney
    • Katherine R. Duncan
    • Marnix H. Medema
    Reviews
    Nature Reviews Drug Discovery
    Volume: 22, P: 895-916