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  1. No Access

    Article

    Characteristics of Flexible Pressure Sensor According to Circuit Configuration of MWCNTs/Polydimethylsiloxane Composite and Conductive Layer

    When sensors were fabricated without a conductive layer, metal wires or pin headers were mainly used to receive the electrical signals from the sensor material. By fabricating the conductive layer, the degree ...

    Chae Young Park, DongHoon Seo, Seung Joo Lee in International Journal of Precision Enginee… (2024)

  2. Article

    Open Access

    Improved cytosine base editors generated from TadA variants

    Cytosine base editors (CBEs) enable programmable genomic C·G-to-T·A transition mutations and typically comprise a modified CRISPR–Cas enzyme, a naturally occurring cytidine deaminase, and an inhibitor of uraci...

    Dieter K. Lam, Patricia R. Feliciano, Amena Arif, Tanggis Bohnuud in Nature Biotechnology (2023)

  3. Article

    Open Access

    Elliptic K3 surfaces at infinite complex structure and their refined Kulikov models

    Motivated by the Swampland Distance and the Emergent String Conjecture of Quantum Gravity, we analyse the infinite distance degenerations in the complex structure moduli space of elliptic K3 surfaces. All comp...

    Seung-Joo Lee, Timo Weigand in Journal of High Energy Physics (2022)

  4. Article

    Open Access

    Physics of infinite complex structure limits in eight dimensions

    We investigate infinite distance limits in the complex structure moduli space of F-theory compactified on K3 to eight dimensions. While this is among the simplest possible arenas to test ideas about the Swampl...

    Seung-Joo Lee, Wolfgang Lerche, Timo Weigand in Journal of High Energy Physics (2022)

  5. Article

    Open Access

    Holomorphic anomalies, fourfolds and fluxes

    We investigate holomorphic anomalies of partition functions underlying string compactifications on Calabi-Yau fourfolds with background fluxes. For elliptic fourfolds the partition functions have an alternativ...

    Seung-Joo Lee, Wolfgang Lerche, Guglielmo Lockhart in Journal of High Energy Physics (2022)

  6. Article

    Open Access

    Emergent strings from infinite distance limits

    As a refinement of the Swampland Distance Conjecture, we propose that a quantum gravitational theory in an infinite distance limit of its moduli space either decompactifies, or reduces to an asymptotically ten...

    Seung-Joo Lee, Wolfgang Lerche, Timo Weigand in Journal of High Energy Physics (2022)

  7. Article

    Open Access

    Emergent strings, duality and weak coupling limits for two-form fields

    We systematically analyse weak coupling limits for 2-form tensor fields in the presence of gravity. Such limits are significant for testing various versions of the Weak Gravity and Swampland Distance Conjectur...

    Seung-Joo Lee, Wolfgang Lerche, Timo Weigand in Journal of High Energy Physics (2022)

  8. No Access

    Article

    Electronic states of graphene quantum dots induced by nanobubbles

    We analyze the effects of the strain-induced pseudo-magnetic fields (PMFs) originating from nanobubbles (NBs) to examine the possibility for a graphene quantum dot (QD) created by strain engineering. We study ...

    Hee Chul Park, Minsol Son, Seung Joo Lee in Journal of the Korean Physical Society (2021)

  9. Article

    Open Access

    Quantum corrections in 4d N = 1 infinite distance limits and the weak gravity conjecture

    We study quantum corrections in four-dimensional theories with N = 1 supersymmetry in the context of Quantum Gravity Conjectures. According to the Emergent String Conjecture, infinite distance limits in quantum g...

    Daniel Klaewer, Seung-Joo Lee, Timo Weigand, Max Wiesner in Journal of High Energy Physics (2021)

  10. Article

    Open Access

    Quasi-Jacobi forms, elliptic genera and strings in four dimensions

    We investigate the interplay between the enumerative geometry of Calabi-Yau fourfolds with fluxes and the modularity of elliptic genera in four-dimensional string theories. We argue that certain contributions ...

    Seung-Joo Lee, Wolfgang Lerche, Guglielmo Lockhart in Journal of High Energy Physics (2021)

  11. Article

    Open Access

    The trajectory of intrahelical lesion recognition and extrusion by the human 8-oxoguanine DNA glycosylase

    Efficient search for DNA damage embedded in vast expanses of the DNA genome presents one of the greatest challenges to DNA repair enzymes. We report here crystal structures of human 8-oxoguanine (oxoG) DNA gly...

    Uddhav K. Shigdel, Victor Ovchinnikov, Seung-Joo Lee in Nature Communications (2020)

  12. No Access

    Article

    Directed evolution of adenine base editors with increased activity and therapeutic application

    The foundational adenine base editors (for example, ABE7.10) enable programmable A•T to G•C point mutations but editing efficiencies can be low at challenging loci in primary human cells. Here we further evolv...

    Nicole M. Gaudelli, Dieter K. Lam, Holly A. Rees in Nature Biotechnology (2020)

  13. Article

    Open Access

    Cytosine base editors with minimized unguided DNA and RNA off-target events and high on-target activity

    Cytosine base editors (CBEs) enable efficient, programmable reversion of T•A to C•G point mutations in the human genome. Recently, cytosine base editors with rAPOBEC1 were reported to induce unguided cytosine ...

    Yi Yu, Thomas C. Leete, David A. Born, Lauren Young in Nature Communications (2020)

  14. Article

    Open Access

    Modular fluxes, elliptic genera, and weak gravity conjectures in four dimensions

    We analyse the Weak Gravity Conjecture for chiral four-dimensional F-theory compactifications with N = 1 supersymmetry. Extending our previous work on nearly tensionless heterotic strings in six dimensions, we sh...

    Seung-Joo Lee, Wolfgang Lerche, Timo Weigand in Journal of High Energy Physics (2019)

  15. Article

    Open Access

    Angiotensin II-mediated MYH9 downregulation causes structural and functional podocyte injury in diabetic kidney disease

    MYH9, a widely expressed gene encoding nonmuscle myosin heavy chain, is also expressed in podocytes and is associated with glomerular pathophysiology. However, the mechanisms underlying MYH9-related glomerular...

    Jeong Suk Kang, Seung Joo Lee, Ji-Hye Lee, Ji-Hee Kim, Seung Seob Son in Scientific Reports (2019)

  16. No Access

    Article

    Correlation of antibacterial and time resolved photoluminescence studies using bio-reduced silver nanoparticles conjugated with fluorescent quantum dots as a biomarker

    This report lays the foundation stone for the real time detector to control and monitor antibiotic resistant bacteria’s. To start with, firstly, the green synthesis of silver nanoparticles were done by the bio...

    Sunil Kumar, Tae Won Kang, Seung Joo Lee in Journal of Materials Science: Materials in… (2019)

  17. No Access

    Article

    NMR 1H,13C, 15N resonance assignment of the G12C mutant of human K-Ras bound to GppNHp

    K-Ras exists in two distinct structural conformations specific to binding of GDP and GTP nucleotides. The cycling between an inactive, GDP-bound state and an active, GTP-bound state is regulated by guanine nuc...

    Alok K. Sharma, Seung-Joo Lee, Minyun Zhou, Alan C. Rigby in Biomolecular NMR Assignments (2019)

  18. No Access

    Article

    Effect of Isovalent Do** on the Magnetic Properties of ZnMnO Diluted Magnetic Semiconductors

    The magnetic properties of a ZnMnO diluted magnetic semiconductor isovalently doped with Mg and S have been successfully studied. ZnMnO alloys were prepared with different concentrations of magnesium and sulfu...

    Ziyodbek A. Yunusov, Shavkat U. Yuldashev in Journal of the Korean Physical Society (2019)

  19. Article

    Open Access

    6d SCFTs and U(1) flavour symmetries

    We study the behaviour of abelian gauge symmetries in six-dimensional N = (1,0) theories upon decoupling gravity and investigate abelian flavour symmetries in the context of 6d N = (1, 0) SCFTs. From a supergravi...

    Seung-Joo Lee, Diego Regalado, Timo Weigand in Journal of High Energy Physics (2018)

  20. Article

    Open Access

    Tensionless strings and the weak gravity conjecture

    We test various conjectures about quantum gravity for six-dimensional string compactifications in the framework of F-theory. Starting with a gauge theory coupled to gravity, we analyze the limit in Kähler modu...

    Seung-Joo Lee, Wolfgang Lerche, Timo Weigand in Journal of High Energy Physics (2018)

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