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  1. No Access

    Article

    Adsorption kinetics and capacity of activated carbon derived from non-woody waste biomass for water remediation

    In this study, the adsorption potential of eight different activated carbons derived from coffee waste and empty fruit bunches was investigated using three different activating agents in order to remove two po...

    V. Thithai, S.-M. Gim, S. Mearaj, J. W. Choi in International Journal of Environmental Sci… (2024)

  2. Article

    Open Access

    Topological magnetic structure generation using VAE-GAN hybrid model and discriminator-driven latent sampling

    Recently, deep generative models using machine intelligence are widely utilized to investigate scientific systems by generating scientific data. In this study, we experiment with a hybrid model of a variationa...

    S. M. Park, H. G. Yoon, D. B. Lee, J. W. Choi, H. Y. Kwon, C. Won in Scientific Reports (2023)

  3. Article

    Open Access

    Super-resolution of magnetic systems using deep learning

    We construct a deep neural network to enhance the resolution of spin structure images formed by spontaneous symmetry breaking in the magnetic systems. Through the deep neural network, an image is expanded to a...

    D. B. Lee, H. G. Yoon, S. M. Park, J. W. Choi, G. Chen, H. Y. Kwon in Scientific Reports (2023)

  4. No Access

    Article

    Proposed Practical Overheight Detection and Alert System

    The collision of overheight vehicles with overpasses, such as bridges and tunnels, causes loss of life, injuries to motorists, and harm to structural members or construction formwork on highways and other rout...

    A.M. Aly, P. Chacon, H. Gol-Zaroudi, J.-W. Choi in Automatic Control and Computer Sciences (2022)

  5. Article

    Open Access

    Searching for the ground state of complex spin-ice systems using deep learning techniques

    Searching for the ground state of a given system is one of the most fundamental and classical questions in scientific research fields. However, when the system is complex and large, it often becomes an intract...

    H. Y. Kwon, H. G. Yoon, S. M. Park, D. B. Lee, D. Shi, Y. Z. Wu in Scientific Reports (2022)

  6. Article

    Open Access

    Optimization of physical quantities in the autoencoder latent space

    We propose a strategy for optimizing physical quantities based on exploring in the latent space of a variational autoencoder (VAE). We train a VAE model using various spin configurations formed on a two-dimens...

    S. M. Park, H. G. Yoon, D. B. Lee, J. W. Choi, H. Y. Kwon, C. Won in Scientific Reports (2022)

  7. Article

    Open Access

    Estimating the effective fields of spin configurations using a deep learning technique

    The properties of complicated magnetic domain structures induced by various spin–spin interactions in magnetic systems have been extensively investigated in recent years. To understand the statistical and dyna...

    D. B. Lee, H. G. Yoon, S. M. Park, J. W. Choi, H. Y. Kwon, C. Won in Scientific Reports (2021)

  8. Article

    Open Access

    Creation and annihilation of topological meron pairs in in-plane magnetized films

    Merons which are topologically equivalent to one-half of skyrmions can exist only in pairs or groups in two-dimensional (2D) ferromagnetic (FM) systems. The recent discovery of meron lattice in chiral magnet Co8Z...

    N. Gao, S. -G. Je, M. -Y. Im, J. W. Choi, M. Yang, Q. Li in Nature Communications (2019)

  9. Article

    Open Access

    An innovative magnetic state generator using machine learning techniques

    We propose a new efficient algorithm to simulate magnetic structures numerically. It contains a generative model using a complex-valued neural network to generate k-space information. The output information is he...

    H. Y. Kwon, N. J. Kim, C. K. Lee, H. G. Yoon, J. W. Choi, C. Won in Scientific Reports (2019)

  10. No Access

    Article

    Feasibility of totally extraperitoneal (TEP) laparoscopic hernia repair in elderly patients

    Laparoscopic total extraperitoneal peritoneal (TEP) repair has become increasingly popular since its introduction. The purpose of this study is to establish the safety and feasibility of TEP in elderly patient...

    Y. Chung, J. W. Choi, H. C. Kim, S. H. Kim, S. I. Choi in Hernia (2019)

  11. No Access

    Article

    Cloning, Expression, and Production of Xylo-Oligosaccharides by Using a Newly Screened Xylanase Isolated from Bovine Rumen

    J. M. Lim, J. H. Choi, J. W. Choi, J. W. Yun in Applied Biochemistry and Biotechnology (2018)

  12. Article

    Open Access

    The spin structures of interlayer coupled magnetic films with opposite chirality

    Using Monte-Carlo simulations and micromagnetic simulations, we reveal how the spin structural correlation and the skyrmion dynamics are affected by the interlayer coupling in a chiral magnetic bilayer system,...

    S. P. Kang, N. J. Kim, H. Y. Kwon, J. W. Choi, B. C. Min, C. Won in Scientific Reports (2018)

  13. No Access

    Article

    The use of ultrasonic frequencies to control the bloom formation, regrowth, and eco-toxicity in Microcystis aeruginosa

    This study is focused on the use of ultrasound to disrupt Microcystis aeruginosa growth, with consideration for the gap between laboratory-scale experiment and field application. Laboratory-scale sonication syste...

    C.-B. Park, S. Baik, S. Kim, J.-W. Choi in International Journal of Environmental Sci… (2017)

  14. Article

    Change in body surface temperature as an ancillary measurement to motor evoked potentials

    Experimental study.

    J H Yang, S W Suh, Y-S Park, J-H Lee, B K Park, C H Ham, J W Choi in Spinal Cord (2015)

  15. No Access

    Article

    Transient modeling and validation of lithium ion battery pack with air cooled thermal management system for electric vehicles

    A transient numerical model of a lithium ion battery (LiB) pack with air cooled thermal management system is developed and validated for electric vehicle applications. In the battery model, the open circuit vo...

    G. Y. Cho, J. W. Choi, J. H. Park, S. W. Cha in International Journal of Automotive Techno… (2014)

  16. No Access

    Article

    Efficient lung orthotopic tumor-growth suppression of oncolytic adenovirus complexed with RGD-targeted bioreducible polymer

    Oncolytic adenoviruses (Ad) have been developed for the eradication of tumors. Although they hold much promise as a cancer therapy, they have a short blood circulation time and high liver toxicity. An effectiv...

    J Kim, H Y Nam, J W Choi, C-O Yun, S W Kim in Gene Therapy (2014)

  17. No Access

    Article

    Local sustained delivery of oncolytic adenovirus with injectable alginate gel for cancer virotherapy

    Adenoviruses (Ad) have been investigated for their efficacy in reducing primary tumors after local intratumoral administration. Despite high Ad concentrations and repetitive administration, the therapeutic eff...

    J-W Choi, E Kang, O-J Kwon, T J Yun, H-K Park, P-H Kim, S W Kim, J H Kim in Gene Therapy (2013)

  18. No Access

    Article

    Thermoelectric properties of solution-combustion-processed Na(Co1−xNix)2O4

    We synthesize nano-sized Na(Co1−xNix)2O4 (0 ≦ x ≦ 0.12) powders by the solution combustion method using aspartic acid as combustion fuel. The influence of Ni2+ on the thermoelectric properties for the Na(Co1−xNix

    K. Park, J. W. Choi, G. W. Lee, S. -J. Kim in Metals and Materials International (2012)

  19. No Access

    Article

    High removal of phosphate from wastewater using silica sulfate

    This report shows that silica sulfate is removing phosphate from wastewater very efficiently. Phosphorus removal and recovery from wastewater is a worldwide issue due to pollution of natural waters by phosphat...

    W. Jutidamrongphan, K. Y. Park, S. Dockko, J. W. Choi in Environmental Chemistry Letters (2012)

  20. No Access

    Article

    The dissolution of ThO2(cr) in carbonate solutions and a granitic groundwater

    ThO2(cr) was dissolved in the solutions containing various carbonate ion concentrations, and the results were compared with thorium solubility in a domestic granitic groundwater having very low ionic strength. Th...

    S. S. Kim, M. H. Baik, J. W. Choi in Journal of Radioanalytical and Nuclear Che… (2010)

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