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Showing 1–17 of 17 results
Advanced filters: Author: Youngseok Lee Clear advanced filters

  • Amorphous chalcogenide alloys are promising for Ovonic threshold switching selectors, yet elemental chalcogen based-material design is hindered by poor glass-forming ability of chalcogen species. Hur et al. show defect-mediated switching and self-regulated oscillations in an amorphous Te phase stabilized via on-device quenching.

    • Namwook Hur
    • Seunghwan Kim
    • Joonki Suh
    ResearchOpen Access
    Nature Communications
    P: 1-11

  • Experiments on a noisy 127-qubit superconducting quantum processor report the accurate measurement of expectation values beyond the reach of current brute-force classical computation, demonstrating evidence for the utility of quantum computing before fault tolerance.

    • Youngseok Kim
    • Andrew Eddins
    • Abhinav Kandala
    ResearchOpen Access
    Nature
    Volume: 618, P: 500-505

  • It remains unclear whether any set of the 68 gustatory receptors expressed in Drosophilacomprise a cation channel that responds to an aversive chemical. Here the authors identify three gustatory receptors that are both necessary and sufficient to form a channel that confers sensitivity to a noxious tastant.

    • Jaewon Shim
    • Youngseok Lee
    • Seok Jun Moon
    ResearchOpen Access
    Nature Communications
    Volume: 6, P: 1-8

  • Robust conductive hydrogels made purely from a conducting polymer can be fabricated using a laser-induced phase separation method that also improves adhesion to a polymer substrate and allows high-resolution selective patterning.

    • Daeyeon Won
    • HyeongJun Kim
    • Seung Hwan Ko
    Research
    Nature Electronics
    Volume: 7, P: 475-486

  • Organisms have evolved diverse colouration strategies, including dynamic colour change, which enables their rapid adaptation to environmental stimuli. This Review discusses the recreation of bioinspired colouration and dynamic colour change mechanisms for applications in optics, sensors and biomedicine.

    • Seok Hwan Choi
    • Dohyung Kim
    • Seung Hwan Ko
    Reviews
    Nature Reviews Bioengineering
    Volume: 3, P: 579-595

  • The lack of understanding of mixed transport in ion-permeable conjugated polymer films hinders the advance of organic electrochemical transistors for bioelectronics. Here, the authors elucidate the structure-property-performance relationships for conventional and crystallized PEDOT:PSS films.

    • Seong-Min Kim
    • Chang-Hyun Kim
    • Myung-Han Yoon
    ResearchOpen Access
    Nature Communications
    Volume: 9, P: 1-9

  • Oxygen vacancies can impart interesting properties in complex oxides, but specific architectures designed to create high-density oxygen vacancies are largely unknown. Here the authors report a fluorite-bixbyite nanobrush platform to tune interfacial oxygen and show that an atomically well-defined heterointerface can induce charge modulation.

    • Dongkyu Lee
    • Xiang Gao
    • Ho Nyung Lee
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-7

  • Soft robots are evolving to perform increasingly complex tasks, with biomimicry having a fundamental role in their development. This Review details biomimetic strategies and pivotal advances in sensors, actuators and applications of intelligent soft robotics.

    • Junhyuk Bang
    • Seok Hwan Choi
    • Seung Hwan Ko
    Reviews
    Nature Reviews Electrical Engineering
    Volume: 1, P: 597-613

  • Kim et al. use RNAseq of two watermelons to select candidate genes coding for enzymes that catalyze modifications of cucurbitacins. They characterise four of the 16 candidate enzymes (3 different acetyltransferases and one UDP-glucosyltransferase) by HPLC, LC-MS, NMR, and in vitro enzymatic assay. They further show with in vivo assay in Drosophila, that acetylation of cucurbitacin increases neuronal activity in insects.

    • Young-Cheon Kim
    • Daeun Choi
    • Sanghyeob Lee
    ResearchOpen Access
    Communications Biology
    Volume: 3, P: 1-11

  • Understanding the atomic structure of active sites is important but challenging due to the complexity of heterogeneous systems. Here, the dynamic nature of Pt/CeO2 during the water-gas-shift reaction is studied using multiple in situ characterization tools to establish structure-performance relationships.

    • Gengnan Li
    • Dmitri N. Zakharov
    • Jorge Anibal Boscoboinik
    ResearchOpen Access
    Communications Materials
    Volume: 5, P: 1-8

  • The high performance polymer-based conductive cellular interface was developed by a solvent-assisted crystallization of PEDOT:PSS. The crystallized PEDOT:PSS(c-PEDOT:PSS) exhibited mechanical and electrical robustness over 21days as well as excellent electrical conductivity and electrochemical activities. Thanks to such advantageous properties for the cellular interfaces, the beating rates of cardiomyocytes cultured on c-PEDOT:PSS were successfully modulated through pulsed direct stimulation under 1 V. In addition, c-PEDOT:PSS incorporated Multielectrode arrays (MEAs) recorded real-time action potentials originated from cardiomyocytes with high signal fidelity. we expect c-PEDOT:PSS with high-performance and high-stability to be a promising candidate for long-term bioelectronic interface development.

    • Seong-Min Kim
    • Nara Kim
    • Myung-Han Yoon
    ResearchOpen Access
    NPG Asia Materials
    Volume: 10, P: 255-265

  • Dhakal et al. use chemoreceptor screening on three ionotropic receptors in Drosophila, IR25a, IR76b, IR51b to evaluate their impact on avoidance behaviors against nitrogenous waste products. The results of electrophysiology assays show that ammonia compounds are aversive in taste by directly activating bitter-sensing gustatory receptor neurons.

    • Subash Dhakal
    • Jiun Sang
    • Youngseok Lee
    ResearchOpen Access
    Communications Biology
    Volume: 4, P: 1-10