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  1. Article

    Open Access

    Regulation of acetate tolerance by small ORF-encoded polypeptides modulating efflux pump specificity in Methylomonas sp. DH-1

    Methanotrophs have emerged as promising hosts for the biological conversion of methane into value-added chemicals, including various organic acids. Understanding the mechanisms of acid tolerance is essential f...

    Seungwoo Cha, Yong-Joon Cho, Jong Kwan Lee in Biotechnology for Biofuels and Bioproducts (2023)

  2. No Access

    Chapter and Conference Paper

    Solute-Dislocation Binding and Solute Clustering as a Mechanism for Room Temperature Ductility and Formability of Mg Alloys

    Non-basal slips are important of magnesium. Alloying elements can activate the non-basal slip by reducing critical resolved shear stress anisotropy among slip planes, and the optimum alloy contents in bina...

    Byeong-Joo Lee, Hyo-Sun Jang, Jong-Kwan Lee in Magnesium Technology 2022 (2022)

  3. No Access

    Article

    The Origin of Activation of Non-basal Slip in Mg-Ce Dilute Alloy: An Atomistic Simulation Study

    Mg-Ce alloys have been attracting attention because a small amount of Ce addition improves the ductility of Mg at room temperature. When Ce is added, non-basal slip related to improved ductility has been obser...

    Jong-Kwan Lee, Byeong-Joo Lee in Metallurgical and Materials Transactions A (2021)

  4. No Access

    Chapter

    Digital Technology, Urban Aesthetics, and Phenomenology

    The process of total digitization of Being, generally referred to as digital convergence, has now entered a new phase, and this new aspect of digital convergence is being implemented through Ubiquitous Computi...

    Jong Kwan Lee in Phenomenology and the Arts: Logos and Aisthesis (2020)

  5. Article

    Open Access

    Efficient production of d-lactate from methane in a lactate-tolerant strain of Methylomonas sp. DH-1 generated by adaptive laboratory evolution

    Methane, a main component of natural gas and biogas, has gained much attention as an abundant and low-cost carbon source. Methanotrophs, which can use methane as a sole carbon and energy source, are promising ...

    Jong Kwan Lee, Su** Kim, Wonsik Kim, Sungil Kim in Biotechnology for Biofuels (2019)

  6. No Access

    Chapter and Conference Paper

    IP Address Mutation Scheme Using Vector Projection for Tactical Wireless Networks

    The static address configuration of networks and hosts allows attackers to have enough time to discover target networks and systems. On the other hands, the defenders always lack of time to respond because the...

    Jong-Kwan Lee in Information Security Applications (2019)

  7. No Access

    Article

    Determining the 3D Structure of the Corona Using Vertical Height Constraints on Observed Active Region Loops

    The corona associated with an active region is structured by high-temperature, magnetically dominated closed and open loops. The projected 2D geometry of these loops is captured in EUV filtergrams. In this stu...

    G. Allen Gary, Qiang Hu, Jong Kwan Lee, Markus J. Aschwanden in Solar Physics (2014)

  8. Article

    Erratum to: A Rapid, Manual Method to Map Coronal-Loop Structures of an Active Region Using Cubic Bézier Curves and Its Applications to Misalignment Angle Analysis

    G. Allen Gary, Qiang Hu, Jong Kwan Lee in Solar Physics (2014)

  9. No Access

    Article

    A Rapid, Manual Method to Map Coronal-Loop Structures of an Active Region Using Cubic Bézier Curves and Its Applications to Misalignment Angle Analysis

    A rapid and flexible manual method is described that maps individual coronal loops of a 2D EUV image as Bézier curves using only four points per loop. Using the coronal loops as surrogates of magnetic-field li...

    G. Allen Gary, Qiang Hu, Jong Kwan Lee in Solar Physics (2014)

  10. No Access

    Chapter and Conference Paper

    On Privacy Preserving Encrypted Data Stores

    Bucketization techniques allow for effective organization of encrypted data at untrusted servers and for querying by clients. This paper presents a new metric for estimating the risk of data exposure over a se...

    Tracey Raybourn, Jong Kwan Lee, Ray Kresman in Multimedia and Ubiquitous Engineering (2013)

  11. No Access

    Chapter and Conference Paper

    Recovery of 3D Solar Magnetic Field Model Parameter Using Image Structure Matching

    An approach to recover a 3D solar magnetic field model parameter using intensity images of the Sun’s corona is introduced. The approach is a quantitative approach in which the 3D model parameter is determined ...

    Jong Kwan Lee, G. Allen Gary in Computer Vision/Computer Graphics CollaborationTechniques (2009)

  12. No Access

    Chapter

    Comparison of Five Numerical Codes for Automated Tracing of Coronal Loops

    The three-dimensional (3D) modeling of coronal loops and filaments requires algorithms that automatically trace curvilinear features in solar EUV or soft X-ray images. We compare five existing algorithms that ...

    Markus J. Aschwanden, Jong Kwan Lee in Solar Image Analysis and Visualization (2009)

  13. Article

    Open Access

    Comparison of Five Numerical Codes for Automated Tracing of Coronal Loops

    The three-dimensional (3D) modeling of coronal loops and filaments requires algorithms that automatically trace curvilinear features in solar EUV or soft X-ray images. We compare five existing algorithms that...

    Markus J. Aschwanden, Jong Kwan Lee, G. Allen Gary, Michael Smith in Solar Physics (2008)

  14. No Access

    Article

    SALS study on transcrystallization and fiber orientation in glass fiber/polypropylene composites

    This report presents a new technical approach for evaluating the fiber orientation of composites using small-angle light scattering (SALS). Glass fiber (GF)/polypropylene (PP) composites with different fiber o...

    Kun Na, Han Soo Park, Hong Youn Won, Jong Kwan Lee in Macromolecular Research (2006)

  15. No Access

    Article

    Development of lamellar morphology in poly(ethylene terephthalate)/polycarbonate blends

    We have studied the lamellar-level morphology of poly(ethylene terephthalate) (PET)/polycarbonate (PC) blends using small-angle X-ray scattering (SAXS). Measurements were made as a function of the holding time...

    Jong Kwan Lee, Jeong Eun Im, Kwang Hee Lee in Macromolecular Research (2004)

  16. No Access

    Article

    Spherulitic morphologies of poly(ethylene terephthalate), poly(ethylene 2,6-naphthalate), and their blend

    The supermolecular structures of poly(ethylene terephthalate) (PET), poly(ethylene 2,6-naphthalate) (PEN), and their blend were investigated with optical microscopy and small angle light scattering. With incre...

    Jong Kwan Lee, Kwang Hee Lee, Byung Suk ** in Macromolecular Research (2002)

  17. Article

    Phase Separation and Crystallization Behavior in Extruded Polypropylene/Ethylene-Propylene Rubber Blends Containing Ethylene-α-Olefin Copolymers

    Liquid-liquid (L-L) phase separation and its effects on crystallization in polypropylene (PP)/ethylene-propylene rubber (EPR)/ethylene-α-olefin copolymer (ECP) ternary blends obtained by melt extrusion were in...

    Joo Hyung Lee, Jong Kwan Lee, Kwang Hee Lee, Chang Hyung Lee in Polymer Journal (2000)