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Showing 1–9 of 9 results
Advanced filters: Author: Ryeong Myeong Kim Clear advanced filters

  • Despite the potential of nanoparticles in facilitating cascade reactions in living organisms, precisely tuning each reaction within complex networks to enhance the catalytic activity is challenging. Here, the authors report a strategy to optically control each stage of cascade enzymatic reaction using chiral plasmonic nanoparticles under right- and left-handed circularly polarized light.

    • Haeun Kang
    • Subin Yu
    • Dong Ha Kim
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-14

  • An array of 2D crystals of isotropic, 432-symmetric chiral gold nanoparticles is shown to exhibit collective resonances with a strong and uniform chiral near field, allowing enantioselective detection by the collective circular dichroism.

    • Ryeong Myeong Kim
    • Ji-Hyeok Huh
    • Ki Tae Nam
    Research
    Nature
    Volume: 612, P: 470-476

  • Here the authors merge spatiotemporal modulation LED device, precise control and efficient polarization emission and programmable patterning/positioning using 3D printing demonstrating encryption in visible light communication (VLC) enabled by polarization state modulation.

    • Jiawei Lv
    • Jeong Hyun Han
    • Ki Tae Nam
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-10

  • The emergence of chiral morphologies from achiral building blocks is not well understood. Deep learning-based interpretation provides representative models for the process of symmetry breaking and chiral development during the growth of gold nanoparticles.

    • Sang Won Im
    • Dongsu Zhang
    • Ki Tae Nam
    Research
    Nature Materials
    Volume: 23, P: 977-983

  • Chiral plasmonic nanoparticles are of great interest in nanotechnology. Here, the authors demonstrate chiral shape guidance by single-stranded oligonucleotides during particle growth based on sequence-specific hydrogen bonding within the strand.

    • Nam Heon Cho
    • Young Bi Kim
    • Ki Tae Nam
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-10

  • The facile synthesis of the 432 helicoid III nanoparticle morphology, displaying a Kuhn’s dissymmetry factor (g-factor) of 0.2, is detailed by using l-glutathione in an aqueous solution.

    • Sang Won Im
    • Ryeong Myeong Kim
    • Ki Tae Nam
    Protocols
    Nature Protocols
    Volume: 20, P: 1082-1096

  • One challenge with using circularly polarized light is an increased device complexity typically required to provide sufficient sensitivity to the polarization. Here, by integrating chiral plasmonic nanoparticles with a InGaZnO hot electron transistor, the authors present a polarization sensitive, optically active transistor.

    • Seok Daniel Namgung
    • Ryeong Myeong Kim
    • Ki Tae Nam
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-12

  • Chirality of amino acids can be transferred to the high index plane of gold nanoparticles, resulting in chiral plasmonic nanoparticles called the 432 Helicoid series. Here, the authors present a 432 Helicoid IV and describe a systematic approach to modulate the chirality of single particles by controlling the kinetics.

    • Hye-Eun Lee
    • Ryeong Myeong Kim
    • Ki Tae Nam
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-10