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Predictors of pain resolution after varicocelectomy for painful varicocele

Asian Journal of Andrology 2011年第5期13卷 754-758页

作者： hyun jun park seung soo lee nam cheol park Department of Urology Pusan National University School of MedicineMedical Research InstitutePusan National University.Busan 602-739Korea

Varioocelectomny is a management option for patients with painful varicocele. In this study, we assessed the effectiveness of varicocelectomy for painful varicocele and examined the factors that might be predictive of outcome. All patients who underwent a varicocelectomy for pain between February 2007 and July 2009 were includecL A review of patient medical records was conducted; patient age,body mass index （BMI）, uede, iocatien of the vericocele, tasticular volume, duration and quality of the pain （dull, draaing, throbbing or sharp） and surgical technique （ingulnal versus subinguinal） were documented. All parameters were compared with the rasolution of pain （complete, partial or failure）. We followed up on 53 of 104 patients （51.0%）. Complete postopanntive resolution of pain was reported by 28 patients （52.8%）, whereas 22 （41.5%） reported partial resolution, Only three patients （5.7%） mpaded failure. No relationship was observed between postoperative pain resolution and age, BMI, grade of varicoceio, location of varicocele, ipsilateral testicular, quality of pain or surgical technique. The duration of pain before surllery was the only factor that correlated with postopaative pain resolution （univariate, P=-0.004; multivariate, P=0.002）. Our rasults indicatethat varicocelectomy isan effective treatmentfar painful varicocele in properly selected patients, and that duration of pain before surgery may be predictive of outcome.

关键词： duration pain testis vadcocele vadcocelectemy

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Characterization of flexible copper laminates fabricated by Cu electro-plating process

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中国有色金属学会会刊：英文版 2009年第4期19卷 965-969页

作者： Chang-Min lee jun-hyung LIM soo-Min HWANG Eui-cheol park Jong-hyun SHIM Jin-hyun park Jinho JOO seung-Boo junG School of Advanced Materials Science and Engineering Sungkyunkwan University

Flexible copper clad laminates(FCCLs) were fabricated using the electro-plating process and the combined effect of the current density and plating time on their surface morphology,texture,hardness,electrical resistivity and folding behavior was *** achieve Cu layers with similar thicknesses,the current density was varied in the range of 0.2-3 A/dm2 and the plating time was controlled in the range of 0.5-7.5 h to compensate for the variation of the current *** surface morphology,hardness,and folding behavior were characterized by atomic force microscopy,nanoindentation technique and Massachusett Institute of Technology folding endurance test,*** X-ray diffraction patterns indicated that the Cu phase was formed without any secondary phases;however,the preferred orientation changed from(220) to(111) as the current density increased over 1 A/*** addition,it was observed that the root-mean-square and hardness values decreased when the current density increased and the plating time decreased *** electrical resistivity was as low as approximately 21 nΩ·m and the number of cycles without failure in the folding test was over 15 000,which were comparable to those of commercial FCCLs.

关键词：电镀工艺层压板铜层制备表征电流密度原子力显微镜纳米压痕技术

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Effect of ischemic preconditioning on antioxidant status in the gerbil hippocampal CA1 region after transient forebrain ischemia

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Neural Regeneration Research 2016年第7期11卷 1081-1089页

作者： seung Min park Chan Woo park Tae-Kyeong lee Jeong Hwi Cho Joon Ha park Jae-Chul lee Bai Hui Chen Bich-Na Shin Ji Hyeon Ahn hyun-Jin Tae Myoung cheol Shin Taek Geun Ohk jun Hwi Cho Moo-Ho Won soo Young Choi In Hye Kim Department of Emergency Medicine Sacred Heart HospitalCollege of MedicineHallym University Department of Emergency Medicine School of MedicineKangwon National University Department of Neurobiology School of MedicineKangwon National University Department of Physiology College of MedicineHallym University Department of Biomedical Science Research Institute of Bioscience and BiotechnologyHallym University

Ischemic preconditioning（IPC） is a condition of sublethal transient global ischemia and exhibits neuroprotective effects against subsequent lethal ischemic ***,in this study,examined the neuroprotective effects of IPC and its effects on immunoreactive changes of antioxidant enzymes including superoxide dismutase（SOD） 1 and SOD2,catalase（CAT） and glutathione peroxidase（GPX） in the gerbil hippocampal CA1 region after transient forebrain *** neurons of the stratum pyramidale（SP） in the hippocampal CA1 region of animals died 5 days after lethal transient ischemia without IPC（8.6%（ratio of remanent neurons） of the sham-operated group）;however,IPC prevented the pyramidal neurons from subsequent lethal ischemic injury（92.3%（ratio of remanent neurons） of the sham-operated group）.SOD1,SOD2,CAT and GPX immunoreactivities in the sham-operated animals were easily detected in pyramidal neurons in the stratum pyramidale（SP） of the hippocampal CA1 region,while all of these immunoreactivities were rarely detected in the stratum pyramidale at 5 days after lethal transient ischemia without ***,their immunoreactivities in the sham-operated animals with IPC were similar to（SOD1,SOD2 and CAT） or higher（GPX） than those in the sham-operated animals without ***,their immunoreactivities in the stratum pyramidale of the ischemia-operated animals with IPC were steadily maintained after lethal ischemia/*** of western blot analysis for SOD1,SOD2,CAT and GPX were similar to immunohistochemical *** conclusion,IPC maintained or increased the expression of antioxidant enzymes in the stratum pyramidale of the hippocampal CA1 region after subsequent lethal transient forebrain ischemia and IPC exhibited neuroprotective effects in the hippocampal CA1 region against transient forebrain ischemia.

关键词： hippocampal operated antioxidant stratum subsequent superoxide glutathione neuronal hippocampus peroxidase

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Multi-directionally wrinkle-able textile OLEDs for clothing-type displays

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npj Flexible Electronics 2020年第1期4卷 288-296页

作者： seungyeop Choi Woosung Jo Yongmin Jeon Seonil Kwon Jeong hyun Kwon Young hyun Son junmo Kim jun Hong park hyuncheol Kim Ho seung lee Minwoo nam Eun Gyo Jeong Jeong Bin Shin Taek-soo Kim Kyung cheol Choi School of Electrical Engineering Korea Advanced Institute of Science and Technology(KAIST)Daejeon 34141Republic of Korea Department of Mechanical Engineering Korea Advanced Institute of Science and Technology(KAIST)Daejeon 34141Republic of Korea

A clothing-type wearable display can be utilized in fashion,bio-healthcare,and safety industries as well as smart textiles for the internet of things(IoTs)and wearable *** response to this trend,we demonstrate a textile display that can endure the active movements of a human *** can be applied to any kind of textile,and is durable against conditions such as rain,sweat,and *** a key technology for realizing the multi-directional wrinkle-able textile display,we fabricated a stress-lowering textile platform with an ultrathin planarization layer replicated from the flat surface of *** elastomeric strain buffer for reducing mechanical stress is also inserted into the textile ***,organic light-emitting diodes(OLEDs)with red,green and blue color,thin film transistors(TFTs)fabricated at a low temperature below 150℃,and a washable encapsulation layer blocking both gas and liquid were demonstrated on the textile platform.

关键词： OLEDs IoT directional

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