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Arthroscopic treatment of iliopsoas tendinitis after total hip arthroplasty with acetabular cup malposition: Two case reports

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World Journal of Clinical Cases 2020年第21期8卷 5326-5333页

作者： Heejae won Kwang-Hwan Kim Jae-Wook Jung Shin-yoon Kim Seung-Hoon Baek Department of Orthopedic Surgery School of MedicineKyungpook National UniversityKyungpook National University Hospital130 Dongdeok-roJung-GuDaegu 41944South Korea

BACKGROUND Optimal treatment for iliopsoas tendinitis after total hip arthroplasty(THA)with cup malposition,iliopsoas release alone or with cup revision,is controversial,particularly in young,active ***,arthroscopic iliopsoas tendon(IPT)release in these patients has been rarely described,and midterm effects of this procedure on THA longevity and groin pain recurrence remain *** performed arthroscopic IPT release after THA and report midterm outcomes in two young patients with acetabular cup *** SUMMARY In the two patients,groin pain started early after *** examination revealed nonspecific findings,and laboratory tests showed no evidence of *** and computed tomography showed reduced acetabular component anteversion angle and anterior cup prominence of more than 16 *** therapeutic diagnosis,ultrasonography-guided lidocaine with steroid was injected into the IPT *** both patients,groin pain improved initially but worsened after a few ***,the patients underwent arthroscopic IPT release under spinal *** revealed synovitis with fibrous tissues around the IPT and various lesions related to the implants after *** tenotomy and debridement with biopsy were performed;histopathologic studies showed chronic inflammation with synovial *** patients were encouraged to start walking immediately after surgery,and they returned to complete daily function early after *** experienced no recurrence of groin pain or any implant-related problems 5 years *** Arthroscopic IPT release for cup malposition produced excellent midterm outcomes without recurrence of groin pain and implant-related problems.

关键词： Iliopsoas tendinitis Total hip arthroplasty Cup malposition Arthroscopy Tenotomy Case report

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Growth and Magnetic Properties of Sol-Gel Derived Co-Doped ZnO Thin Film

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Journal of Rare Earths 2006年第Z1期24卷 59-63页

作者： Young Sung Kim Ki Chul Kim won Pil Tae Dae Ho yoon Tae Seok Park Su Jeong Suh Advanced Material Process of Information Technology Sungkyunkwan University Suwon 440-746 Korea Cambridge-ETRI Joint R&D Centre Electronics and Telecommunications Research Institute Daejeon 305-350 Korea Ulsan Industry Promotion Techno Park Ulsan 683-804 Korea Advanced Material Process of Information Technology Sungkyunkwan University Suwon 440-746 Korea Advanced Material Process of Information Technology Sungkyunkwan University Suwon 440-746 Korea Advanced Material Process of Information Technology Sungkyunkwan University Suwon 440-746 Korea

Zn1-xCoxO films were grown on glass by sol-gel spin coating process. A homogeneous and stable Zn1-xCoxO sol was prepared by dissolving zinc acetate dihydrate, cobalt acetate tetrahydrate and aluminium chloride hexahydrate as solutes in solution of isopropanol and monoethanolamine. The films were postheated and vacuum annealed, and investigated for c-axis preferred orientation and electromagnetic properties. Zn1-xCoxO films with different Co concentrations were oriented well along the c-axis, especially the Zn1-xCoxO film with 10% Co(atom fraction) was highly c-axis oriented. The transmittance spectra show that Zn1-xCoxO films occur d-d transition and sp-d exchange interaction between Co2+ ions. The electrical resistivity of the films at 10% Co had the lowest value because the crystallite size became largest and the crystallinity of the c-axis was improved. X-ray photoelectron spectroscopy and alternating gradient magnetometer analyses indicated that no Co metal cluster was formed, and the ferromagnetism at room temperature appeared. The characteristics of the electrical resistivity and room temperature ferromagnetism of sol-gel derived Zn1-xCoxO films suggest a potential application of dilute magnetic semiconductor devices.

关键词： sol-gel Zn1-xCoxO thin film dilute magnetic semiconductor (DMS)

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Gene editing particle system as a therapeutic approach for drug-resistant colorectal cancer

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Nano Research 2020年第6期13卷 1576-1585页

作者： Jee-Yeon Ryu You Jung Choi Eun-Jeong won Emmanuel Hui Ho-Shik Kim Young-Seok Cho Tae-Jong yoon Laboratory of Nanopharmacy College of PharmacyResearch Institute of Pharmaceutical Science and Technology(RIPST)Ajou UniversitySuwon16499Republic of Korea Division of Gastroenterology Department of Internal MedicineSeoul St.Mary’s HospitalCollege of MedicineThe Catholic University of KoreaSeoul06591Republic of Korea Moogene Medi Co. Ltd.Seongnam13488Republic of Korea

The epidermal growth factor receptor(EGFR)pathway plays an important role in the progression of colorectal cancer(CRC).Anti-EGFR drugs based on antibodies have been widely used for treating CRC through inducing the cell death ***,the majority of CRC patients will inevitably develop drug-resistance during anti-EGFR drug treatment,which is mainly caused by a point mutation in the KRAS *** developed a nanoliposomal(NL)particle containing the Cas9 protein and a single-guide RNA(sgRNA)complex(Cas9-RNP),for genomic editing of the KRAS *** NL particle is composed of bio-compatible lipid compounds that can effectively encapsulate *** modifying the NL particle to include the appropriate antibody,it can specifically recognize EGFR expressing CRC and effectively deliver the gene-editing *** conditions of NL treatment were optimized using a KRAS mutated CRC in vivo mouse *** with KRAS-mutated CRC showed drug resistance against cetuximab,a therapeutic antibody *** treating the mice with the KRAS gene-editing NL particles,the implanted tumors showed a dramatic decrease in *** results demonstrated that this genomic editing complex has great potential as a therapeutic carrier system for the treatment of drug-resistant cancer caused by a point mutation.

关键词： nanoliposome clustered regularly interspaced short palindromic repeat and associated Cas9 nuclease(CRISPR/Cas9) KRAS mutation drug-resistance colorectal cancer

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Sex-based differences in histology,staging,and prognosis among 2983 gastric cancer surgery patients

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World Journal of Gastroenterology 2022年第9期28卷 933-947页

作者： Yonghoon Choi Nayoung Kim Ki Wook Kim Hyeong Ho Jo Jaehyung Park Hyuk yoon Cheol Min Shin Young Soo Park Dong Ho Lee Hyeon Jeong Oh Hye Seung Lee Young Suk Park Sang-Hoon Ahn Yun-Suhk Suh Do Joong Park Hyung-Ho Kim Ji-won Kim Jin won Kim keun-Wook Lee won Chang Ji HoonPark yoon Jin Lee Kyoung Ho Lee Young Hoon Kim Department ofInternal Medicine Seoul National University Bundang HospitalSeongnam 13620South Korea Nayoung Department of Internal Medicine Seoul National University College of MedicineSeoul 03080South Korea Department of Pathology Seoul National University Bundang HospitalSeongnam 13620South Korea Department of Pathology Seoul National University College of MedicineSeoul 03080South Korea Department of Surgery Seoul National University Bundang HospitalSeongnam 13620South Korea Department of Surgery Seoul National University College of MedicineSeoul 03080South Korea Department of Radiology Seoul National University Bundang HospitalSeongnam 13620South Korea Department of Radiology Seoul National University College of MedicineSeoul 03080South Korea

BACKGROUND Few studies have been conducted on sex differences in the incidence, pathophysiology, and prognosis of gastric cancer(GC).AIM To analyze the differences in GC characteristics according to sex in patients who underwent surgical treatment for *** A total of 2983 patients diagnosed with gastric adenocarcinoma who received surgical treatment at the Seoul National University Bundang Hospital between 2003 and 2017 were *** clinicopathological characteristics, histologic type of GC, overall and GC-specific survival rates, and associated risk factors were *** Among the 2983 patients, 2005(67.2%) and 978(32.8%) were males and females, *** average age of the female group(59.36 years) was significantly younger than that of the male group(61.66 years;P < 0.001).Cancer of the gastric body(P < 0.001) and diffuse-type histology(P < 0.001) were more common in females than in *** trend was more prominent in females younger than 60 years of age, with a significantly higher proportion of diffuse-type cancer than in the male *** of sex, diffuse-type GC was more common in younger patients, and the proportion of intestinal-type GC increased with *** overall survival rate was significantly higher in females(P < 0.001).However, this difference disappeared for GC-specific survival(P = 0.168), except for the poor GC-specific survival rate in advanced-stage cancer(stage Ⅲ or above) in females(P = 0.045).The risk factors for GC-related mortality were older age, upper location of GC, and diffuse-or mixed-type *** terms of comorbidities, more males died from diseases other than GC, including other malignancies such as lung cancer, hepatocellular carcinoma, and pancreatic cancer, and respiratory diseases such as interstitial lung disease and chronic obstructive pulmonary disease, while there were relatively more cardiovascular or cerebrovascular deaths in *** Sex-based differences in GC were

关键词： Gastric cancer Histology Prognosis Sex difference Survival

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Inhomogeneous lithium-storage reaction triggering the inefficiency of all-solid-state batteries

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Journal of Energy Chemistry 2022年第3期31卷 226-236,I0008页

作者： Jaeyoung Kim wontae Lee Jangwhan Seok Eunkang Lee Woosung Choi Hyunyoung Park Soyeong Yun Minji Kim Jun Lim won-Sub yoon Department of Energy Science Sungkyunkwan UniversitySuwon 16419South Korea Pohang Accelerator Laboratory Pohang University of Science and TechnologyPohang 37673South Korea

All-solid-state batteries offer an attractive option for developing safe lithium-ion *** the various solid-state electrolyte candidates for their applications,sulfide solid electrolytes are the most suitable owing to their high ionic conductivity and facile ***,their performance is extensively lower compared with those of conventional liquid electrolyte-based batteries mainly because of interfacial reactions between the solid electrolytes and high capacity ***,the kinetic evolution reaction in the composite cathode of all-solid-state lithium batteries has not been actively ***,electrochemical analyses were performed to investigate the differences between the organic liquid electrolyte-based battery and all-solid-state battery *** with electrochemical analyses and synchrotron-based in situ and ex situ X-ray analyses,it was confirmed that inhomogeneous reactions were due to physical *** contacted and/or isolated active material particles account for the inhomogeneously charged regions,which further intensify the inhomogeneous reactions during extended cycles,thereby increasing the polarization of the *** study highlighted the benefits of electrochemo-mechanical integrity for securing a smooth conduction pathway and the development of a reliable homogeneous reaction system for the success of solid-state batteries.

关键词： Liquid electrolyte lithium batteries All-solid-state lithium batteries Ni-rich cathode Synchrotron-based X-ray techniques Inhomogeneous reaction

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KoNA:Korean Nucleotide Archive as A New Data Repository for Nucleotide Sequence Data

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Genomics, Proteomics & Bioinformatics 2024年第1期22卷 161-167页

作者： Gunhwan Ko Jae Ho Lee Young Mi Sim Wangho Song Byung-Ha yoon Iksu Byeon Bang Hyuck Lee Sang-Ok Kim Jinhyuk Choi Insoo Jang Hyerin Kim Jin Ok Yang Kiwon Jang Sora Kim Jong-Hwan Kim Jongbum Jeon Jaeeun Jung Seungwoo Hwang Ji-Hwan Park Pan-Gyu Kim Seon-Young Kim Byungwook Lee Korea Bioinformation Center Korea Research Institute of Bioscience&BiotechnologyDaejeon 34141Republic of Korea

During the last decade,the generation and accumulation of petabase-scale high-throughput sequencing data have resulted in great challenges,including access to human data,as well as transfer,storage,and sharing of enormous amounts of *** promote data-driven biological research,the Korean government announced that all biological data generated from government-funded research projects should be deposited at the Korea BioData Station(K-BDS),which consists of multiple databases for individual data ***,we introduce the Korean Nucleotide Archive(KoNA),a repository of nucleotide sequence *** of July 2022,the Korean Read Archive in KoNA has collected over 477 TB of raw next-generation sequencing data from national genome *** ensure data quality and prepare for international alignment,a standard operating procedure was adopted,which is similar to that of the International Nucleotide Sequence Database *** standard operating procedure includes quality control processes for submitted data and metadata using an automated pipeline,followed by manual *** ensure fast and stable data transfer,a high-speed transmission system called GBox is used in ***,the data uploaded to or downloaded from KoNA through GBox can be readily processed using a cloud computing service called *** seamless coupling of KoNA,GBox,and Bio-Express enhances the data experience,including submission,access,and analysis of raw nucleotide *** not only satisfies the unmet needs for a national sequence repository in Korea but also provides datasets to researchers globally and contributes to advances in *** KoNA is available at https://***/kona/.

关键词： Korea BioData Station Nucleotide sequence Next-generation sequencing repository Genomics Deposition and access of big data

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The role of vasoepididymostomy for treatment of obstructive azoospermia in the era of in vitro fertilization:a systematic review and meta-analysis

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Asian Journal of Andrology 2019年第1期21卷 67-73页

作者： Young Eun yoon Hyung Ho Lee Sung Yul Park Hong Sang Moon Dong Suk Kim Seung-Hun Song Dae keun Kim Department of Urology Hanyang University College of MedicineSeou104763Korea Department of Urology National Health Insurance Corporation Ilsan Hospital Gyeonggi-do 10444Korea Department of Urology Fertility Center of CHA Gangnam Medical CenterCHA UniversitySeou106135Korea Department of Urology CHA Seoul Station Fertility CenterCHA UniversitySeou104637Korea Department of Urology School of MedicineGraduate SchoolHanyang UniversitySeou104763Korea

This study comprises a systematic review and meta-analysis of micmsurgical vasoepididymostomy outcomes in epididymal obstructive azoospermia.A comprehensive literature search was performed using Medline,Embase,and the Cochrane library that included all studies related to microsurgical *** included “vasoepididymostomy,”“epididymovasostomy,”“epididymal obstruction,”and “epididymis obstruction.”Event rate and risk ratio (RR)were *** rate and pregnancy rate were *** analysis comprised 1422 articles,including 42 observational studies with 2298 enrolled patients performed from November 1978 to January *** overall mean patency rate was 64.1%(95%confidence interval [CI]:58.5%-69.3%;F=83.0%),and the overall mean pregnancy rate was 31.1%(95%CI:26.9%-35.7%;I^2=73.0%).We performed a meta-analysis comparing the patency rate of bilateral microsurgical vasoepididymostomy and unilateral microsurgical vasoepididymostomy and found an RR of 1.38%(95%CI: 1.21%-1.57%;P <0.00001).A comparison of the site of microsurgical vasoepididymostomy showed that caudal or corpus area was favorable for patency rate (RR =1.17%;95%CI: 1.01%-1.35%;P =0.04).Patients with motile sperm in epididymal fluid exhibited an RR of 1.53%(95%CI:1.11%-2.13%;P =0.01)with respect to patency rate. Microsurgical vasoepididymostomy is an effective treatment for epididymal obstructive azoospermia that can improve male fertility. We find that performing microsurgical vasoepididymostomy bilaterally,anastomosing a larger caudal area,and containing motile sperm in epididymis fluid can potentially achieve a superior patency rate.

关键词： azoospermia meta-analysis vasoepididymostomy

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SnO2@Co3O4 hollow nano-spheres for a Li-ion battery anode with extraordinary performance

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Nano Research 2014年第8期7卷 1128-1136页

作者： won-Sik Kim yoon Hwa Hong-Chan Kim Jong-Hyun Choi Hun-Joon Sohn Seong-Hyeon Hong Department of Materials Science and Engineering and Research Institute of Advanced Materials Seoul National University Seoul151-744 Republic of Korea

SnO2@Co3O4 hollow nano-spheres have been prepared using the template-based sol-gel coating technique and their electrochemical performance as an anode for lithium-ion battery （LIB） was investigated. The size of synthesized hollow spheres was about 50 nm with the shell thickness of 7-8 nm. The fabricated SnO2@Co3O4 hollow nano-sphere electrode exhibited an extraordinary reversible capacity （962 mAh-g-1 after 100 cycles at 100 mA-g-1）, good cyclability, and high rate capability, which was attributed to the Co-enhanced reversibility of the Li20 reduction reaction during cycling.

关键词： hollow sphere lithium-ion battery anode SnO2 Co3O4

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Efficacy of Seprafilm~ graft with adhesiolysis in experimentally induced lid adhesion in rabbits

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International Journal of Ophthalmology(English edition) 2013年第1期6卷 44-49页

作者： Sang Wook Jin Hee Bae Ahn Mi Sook Roh yoon Hyung Kwon won Yeol Ryu Department of Ophthalmology College of MedicineDong-A University Department of Pathology College of MedicineDong-A University

AIM:To evaluate the efficacy of Seprafilm transplantation following adhesiolysis for preventing postoperative readhesion and improving surgical outcomes. METHODS:Primary blepharoplasty was carried out on both eyelids of 18 albino rabbits. After 2 weeks, a new skin incision was made, and adhesiolysis was performed on both eyelids. The rabbits were categorized into two groups, one with adhesiolysis alone in the left eyelid (control group), and the other with adhesiolysis with a Seprafilm graft in the right eyelid (Seprafilm group). The degrees of inflammation and fibrosis were examined with hematoxylin-eosin (HE) and Masson’s trichrome stains. Expression of α-smooth muscle actin (α-SMA) was also immunohistochemically examined. RESULTS:Eyelid examination immediately after the operation revealed mild swelling and hemorrhage in both groups, but these symptoms resolved after 1 week-2 weeks, and eyelid shape had recovered completely in both groups. Microscopic assessments demonstrated that the Seprafilm group showed less inflammation and fibrosis than the control group. The Seprafilm group also exhibited fewer α-SMA-positive cells than the control group. CONCLUSION:Based on these findings, we conclude that Seprafilm graft with adhesiolysis is an effective method for preventing postoperative readhesions after eyelid surgery.

关键词： Seprafilm adhesion adhesiolysis

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Prognostic factors in patients with middle and distal bile duct cancers

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World Journal of Gastroenterology 2014年第21期20卷 6658-6665页

作者： Hyung Jun Kwon Sang Geol Kim Jae Min Chun won Kee Lee yoon Jin Hwang Department of Surgery Kyungpook National University Medical CenterDaegu 702-210South Korea Department of Surgery School of MedicineKyungpook National UniversityDaegu 700-422South Korea Department of Preventive Medicine School of Medicine Kyungpook National University Daegu 700-422South Korea

AIM: To identify the influence of the surgery type and prognostic factors in middle and distal bile duct cancers.

关键词： Distal extrahepatic bile duct cancer Lymphovascular invasion Tumor node metastasis Pancreaticoduodenectomy Bile duct resection Prognostic factor

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