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Sangyeop Kim,Hyun-Joong Kim 물리치료재활과학회 2021 Physical therapy rehabilitation science Vol.10 No.3
Objective: The most common type of cancer in women is breast cancer, and pain in the upper extremity and trunk is a discomfort experienced by more than half. Based on the evidence that manual therapy is effective for pain control in postoperative rehabilitation, this study aims to analyze the effects of manual therapy on upper extremity pain and function in patients after breast cancer surgery. Design: A systematic review and meta-analysis. Methods: We searched MEDLINE, Embase, PEDro, and CINAHL databases until August 2021. We included randomized controlled trial evaluating pain and function in patients after breast cancer surgery. Qualitative analysis was performed using Cochrane s risk of bias tool, and quantitative analysis was performed using RevMan 5.4 to analyze post-intervention outcomes. Results: Four randomized controlled trials were selected to evaluate the effects of upper extremity pain and function in 133 patients who underwent manual therapy after breast cancer surgery. In the results of qualitative and quantitative analysis, the experimental group treated with manual therapy showed a significant improvement in pain compared to the control group (-0.62; 95% confidence interval (CI) -0.97 to -0.27). However, there was no significant improvement in upper extremity function (-0.09; 95% CI -0.43 to 0.25). Conclusions: Current evidence shows that manual therapy is effective for pain control in patients who complain of upper extremity pain after breast cancer surgery.
The Optimal Design of 600 kJ SMES Magnet Based on Stress and Magnetic Field Analysis
Sangyeop Kwak,Myungjin Park,Wooseok Kim,Seungyong Hahn,Seungwook Lee,Jikwang Lee,Kyeongdal Choi,Jinho Han,Joonhan Bae,Seokho Kim,Kiduk Sim,Haejong Kim,Kichul Seong,Hyunkyo Jung,Songyop Hahn IEEE 2008 IEEE transactions on applied superconductivity Vol.18 No.2
<P>In the development of large scale superconducting magnetic energy storage (SMES) systems, the problem of mechanical stresses induced in the windings by Lorentz force becomes more critical as dimensions of system and magnetic field increase. In this paper, an optimal design process of a 600 kJ SMES magnet combined with mechanical stress analysis is presented. A stress analysis method based on electromagnetic finite element analysis (FEA) is explained in detail. The results of the analysis led to the development of an optimum design, electro-magnetically and mechanically, of a single-pole double pancake coil (DPC) type 600 kJ SMES magnet. The stress in each DPC are described along with recommendations for winding tension in the manufacturing process to minimize radial and hoop stress in each DPC.</P>
Design of HTS Magnets for a 2.5 MJ SMES
Sangyeop Kwak,Seyeon Lee,Sangyeop Lee,Woo-Seok Kim,Ji-Kwang Lee,Chan Park,Joonhan Bae,Jung-Bin Song,Haigun Lee,Kyeongdal Choi,Kichul Seong,Hyunkyo Jung,Song-yop Hahn IEEE 2009 IEEE transactions on applied superconductivity Vol.19 No.3
<P>A 600 kJ HTS SMES system has been developed for power system stabilization as a national project in Korea. Successful operating tests of the 600 kJ were recently completed. In this paper, a 2.5 MJ class SMES with HTS magnets of single solenoid, multiple solenoid and modular toroid type were optimized using a recently developed multi-modal optimization technique named multi-grouped particle swarm optimization (MGPSO). The objective of the optimization was to minimize the total length of HTS superconductor wires satisfying some equality and inequality constraints. The stored energy and constraints were calculated using 3-D magnetic field analysis techniques and an automatic tetrahedral mesh generator. Optimized results were verified by 3D finite element method (FEM).</P>
Kim, Hye-In,Hwang, Dobeen,Jeon, Su-Ji,Lee, Sangyeop,Park, Jung Hyun,Yim, DaBin,Yang, Jin-Kyoung,Kang, Homan,Choo, Jaebum,Lee, Yoon-Sik,Chung, Junho,Kim, Jong-Ho The Royal Society of Chemistry 2015 Nanoscale Vol.7 No.14
<P>Nanomaterial bioconjugates have gained unabated interest in the field of sensing, imaging and therapy. As a conjugation process significantly affects the biological functions of proteins, it is crucial to attach them to nanomaterials with control over their orientation and the nanomaterial-to-protein ratio in order to amplify the binding efficiency of nanomaterial bioconjugates to targets. Here, we describe a targeting nanomaterial platform utilizing carbon nanotubes functionalized with a cotinine-modified dextran polymer and a bispecific anti-HER2 cotinine tandem antibody. This new approach provides an effective control over antibody orientation and density on the surface of carbon nanotubes through site-specific binding between the anti-cotinine domain of the bispecific tandem antibody and the cotinine group of the functionalized carbon nanotubes. The developed synthetic carbon nanotube/bispecific tandem antibody conjugates (denoted as SNAs) show an effective binding affinity against HER2 that is three orders of magnitude higher than that of the carbon nanotubes bearing a randomly conjugated tandem antibody prepared by carbodiimide chemistry. As the density of a tandem antibody on SNAs increases, their effective binding affinity to HER2 increases as well. SNAs exhibit strong resonance Raman signals for signal transduction, and are successfully applied to the selective detection of HER2-overexpressing cancer cells.</P>