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  1. Article

    Open Access

    Voltage-based magnetization switching and reading in magnetoelectric spin-orbit nanodevices

    As CMOS technologies face challenges in dimensional and voltage scaling, the demand for novel logic devices has never been greater, with spin-based devices offering scaling potential, at the cost of significan...

    Diogo C. Vaz, Chia-Ching Lin, John J. Plombon, Won Young Choi in Nature Communications (2024)

  2. No Access

    Article

    Human embryonic stem cell-specific role of YAP in maintenance of self-renewal and survival

    Human embryonic stem cells (hESCs) have unique characteristics, such as self-renewal and pluripotency, which are distinct from those of other cell types. These characteristics of hESCs are tightly regulated by...

    Mu Seog Choe, Chang Min Bae, So ** Kim in Cellular and Molecular Life Sciences (2022)

  3. Article

    Open Access

    Author Correction: Emergence of the topological Hall effect in a tetragonal compensated ferrimagnet Mn2.3Pd0.7Ga

    Won-Young Choi, Woosuk Yoo, Myung-Hwa Jung in NPG Asia Materials (2022)

  4. Article

    Open Access

    Hypermethylation of PDX1, EN2, and MSX1 predicts the prognosis of colorectal cancer

    Despite numerous observations regarding the relationship between DNA methylation changes and cancer progression, only a few genes have been verified as diagnostic biomarkers of colorectal cancer (CRC). To more...

    Yeongun Lee, So Hee Dho, Jiyeon Lee, Ji-Hyun Hwang in Experimental & Molecular Medicine (2022)

  5. Article

    Open Access

    Emergence of the topological Hall effect in a tetragonal compensated ferrimagnet Mn2.3Pd0.7Ga

    Topological spin textures such as magnetic skyrmions have attracted considerable interest due to their potential application in spintronic devices. However, there still remain several challenges to overcome be...

    Won-Young Choi, Woosuk Yoo, Myung-Hwa Jung in NPG Asia Materials (2021)

  6. No Access

    Article

    Cyclosporin A Enhances Cardiac Differentiation by Inhibiting Wnt/β-Catenin Signaling in Human Embryonic Stem Cells

    Efficient cardiac differentiation of human pluripotent stem cells (hPSCs) is essential for their use in the field of basic research as well as in cell-based therapy. Regulation of the Wnt/β-catenin pathway is ...

    Mu Seog Choe, Han Cheol Yeo, Jae Boum Youm in Biotechnology and Bioprocess Engineering (2021)

  7. Article

    Open Access

    Microfluidic device with brain extracellular matrix promotes structural and functional maturation of human brain organoids

    Brain organoids derived from human pluripotent stem cells provide a highly valuable in vitro model to recapitulate human brain development and neurological diseases. However, the current systems for brain orga...

    Ann-Na Cho, Yoonhee **, Yeonjoo An, ** Kim, Yi Sun Choi in Nature Communications (2021)

  8. Article

    Open Access

    Skyrmion Phase in MnSi Thin Films Grown on Sapphire by a Conventional Sputtering

    Topologically protected chiral skyrmions are an intriguing spin texture that has attracted much attention because of fundamental research and future spintronic applications. MnSi with a non-centrosymmetric str...

    Won-Young Choi, Hyun-Woo Bang, Seung-Hyun Chun, Sunghun Lee in Nanoscale Research Letters (2021)

  9. No Access

    Article

    DNA Methylation of Intragenic CpG Islands are Required for Differentiation from iPSC to NPC

    The effects of gene body DNA methylation on gene regulation still remains highly controversial. In this study, we generated whole genome bisulfite sequencing (WGBS) data with high sequencing depth in induced p...

    Won-Young Choi, Ji-Hyun Hwang, Ann-Na Cho, Andrew J Lee in Stem Cell Reviews and Reports (2020)

  10. No Access

    Article

    Spin–orbit magnetic state readout in scaled ferromagnetic/heavy metal nanostructures

    The efficient detection of a magnetic state at nanoscale dimensions is important for the development of spin-logic devices. Magnetoresistance effects can be used to detect magnetic states, but they do not gene...

    Van Tuong Pham, Inge Groen, Sasikanth Manipatruni, Won Young Choi in Nature Electronics (2020)

  11. No Access

    Article

    Ultrasonic fingerprint sensor in underglass prototype using impedance mismatching

    Fingerprint imaging is a powerful tool in biometric identification systems. There are several methods for measuring fingerprints, such as optics, capacitive, and ultrasonic methods. The previous ultrasonic ima...

    Won Young Choi, Ki Chang Kang in Journal of Mechanical Science and Technology (2020)

  12. No Access

    Article

    Ballistic Spin Hall Transistor Using a Heterostructure Channel and Its Application to Logic Devices

    In a ballistic spin transport channel, spin Hall and Rashba effects are utilized to provide a gate-controlled spin Hall transistor. A ferromagnetic electrode and a spin Hall probe are employed for spin injecti...

    Won Young Choi, Hyung-Jun Kim, Joonyeon Chang in Journal of Electronic Materials (2017)

  13. No Access

    Article

    Durability tests of Rh/Al-Ce-Zr catalysts coated on NiCrAl metal foam for ATR of dodecane at high temperature

    In this study, NiCrAl metal foam was used as the support material. Rh/Al-Ce-Zr-based catalysts were also used as a reforming catalyst, and was coated over a metal foam plate using a rotary vacuum evaporator. T...

    Won Young Choi, ** Wook Lee, Min Jung Kim in International Journal of Precision Enginee… (2017)

  14. Article

    Open Access

    Mincle activation enhances neutrophil migration and resistance to polymicrobial septic peritonitis

    Sepsis is a systemic inflammatory response to bacterial infection. The therapeutic options for treating sepsis are limited. Impaired neutrophil recruitment into the infection site is directly associated with s...

    Wook-Bin Lee, Ji-**g Yan, Ji-Seon Kang, Quanri Zhang, Won Young Choi in Scientific Reports (2017)

  15. Article

    Open Access

    Free-electron creation at the 60° twin boundary in Bi2Te3

    Interfaces, such as grain boundaries in a solid material, are excellent regions to explore novel properties that emerge as the result of local symmetry-breaking. For instance, at the interface of a layered-cha...

    Kwang-Chon Kim, Joohwi Lee, Byung Kyu Kim, Won Young Choi in Nature Communications (2016)

  16. Article

    Open Access

    Mincle-mediated translational regulation is required for strong nitric oxide production and inflammation resolution

    In response to persistent mycobacteria infection, the host induces a granuloma, which often fails to eradicate bacteria and results in tissue damage. Diverse host receptors are required to control the formatio...

    Wook-Bin Lee, Ji-Seon Kang, Won Young Choi, Quanri Zhang in Nature Communications (2016)

  17. No Access

    Article

    Electrical detection of coherent spin precession using the ballistic intrinsic spin Hall effect

    An indium arsenide quantum well with a ferromagnetic spin injector and a spin Hall detector is used to electrically measure the conductance oscillations due to spin precession in a transistor channel.

    Won Young Choi, Hyung-jun Kim, Joonyeon Chang, Suk Hee Han in Nature Nanotechnology (2015)

  18. Article

    Open Access

    Production of porous Calcium Phosphate (CaP) ceramics with aligned pores using ceramic/camphene-based co-extrusion

    Calcium phosphate (CaP) ceramics are one of the most valuable biomaterials for uses as the bone scaffold owing to their outstanding biocompatability, bioactivity, and biodegradation nature. In particular, thes...

    Won-Young Choi, Hyoun-Ee Kim, Young-Wook Moon, Kwan-Ha Shin in Biomaterials Research (2015)

  19. Article

    Open Access

    Polyubiquitin chain-dependent protein degradation in TRIM30 cytoplasmic bodies

    Viral infection induces numerous tripartite motif (TRIM) proteins to control antiviral immune signaling and viral replication. Particularly, SPRY-containing TRIM proteins are found only in vertebrates and they...

    Un Yung Choi, Won Young Choi, Ji Yeon Hur in Experimental & Molecular Medicine (2015)

  20. No Access

    Article

    Robust estimation of support vector regression via residual bootstrap adoption

    As current system designs grow increasingly complex and expensive to analyze, the need for design optimization has also grown. In this study, a more stable approximation model is proposed via the application o...

    Won-Young Choi, Dong-Hoon Choi in Journal of Mechanical Science and Technolo… (2015)

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