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Total body water percentage and 3rd space water are novel risk factors for training-related lower extremity muscle injuries in young males

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Chinese Journal of Traumatology 2024年第3期27卷 168-172页

作者： Liang Chen Ke-Xing Jin Jing Yang Jun-Jjie Ouyang Han-Gang Chen Si-Ru Zhou Xiao-Qing Luo mi Liu Liang Kuang Yang-Li Xie Yan Hu Lin Chen Zhen-Hong Ni Xiao-Lan Du Department of Orthopedic Daping HospitalArmy Medical UniversityChongqing400042China Department of Rehabilitation Medicine Daping HospitalArmy Medical UniversityChongqing400042China Department of Wound Repair and Rehabilitation Medicine Center of Bone Metabolism and RepairLaboratory for Prevention and Rehabilitation of Training InjuriesState Key Laboratory of Trauma and Chemical Poisoning.Trauma CenterResearch Instiute of SurgeryDaping HospitalArmy Medical UniversityChongqing.400042China War Trauma Medical Center Daping HospitalArmy Medical UniversityChongqing400042.China Department of military Basic Training and Army Management Army Health Service Training BaseArmy Medical UniversityChongqing400042China Department of Army Occupational Disease Laboratory for Prevention and Rehabilitation of Training InjuriesState Key Laboratory of Trauma and Chemical PoisoningResearch Institute of SurgeryDaping HospitalArmy Medical UniversityChongqing400042.China

Purpose:To identify the risk factors for training-related lower extremity muscle injuries in young males by a non-invasive method of body composition ***:A total of 282 healthy young male volunteers aged 18-20 years participated in this cohort *** location,degree,and injury rate were adjusted by a questionnaire based on the overuse injury assessment methods used in epidemiological studies of sports *** occurrence of training injuries is monitored and diagnosed by physicians and treated *** body composition was measured using the BodyStat QuadScan 4000 multifrequency Bio-impedance system at 5,50,100 and 200 kHz to obtain 4 impedance *** Shapiro-Wilk test was used to check whether the data conformed to a normal *** of normal distribution were shown as mean±SD and analyzed by t-test,while those of non-normal distribution were shown as median(Q1,Q3)and analyzed by Wilcoxon rank sum *** receiver operator characteristic curve and logistic regression analysis were performed to investigate risk factors for developing training-related lower extremity injuries and ***:Among the 282 subjects,78(27.7%)developed training *** extremity training injuries revealed the highest incidence,accounting for 23.4%(66 cases).These patients showed higher percentages of lean body mass(p=0.001),total body water(TBW,p=0.006),extracellular water(p=0.020)and intracellular water(p=0.010)as well as a larger ratio of basal metabolic rate/total weight(p=0.006),compared with those without lower extremity muscle *** the contrary,the percentage of body fat(p=0.001)and body fat mass index(p=0.002)were *** regression analysis showed that TBW percentage>65.35%(p=0.050,odds ratio=3.114)and 3rd space water>0.95%(p=0.045,odds ratio=2.342)were independent risk factors for lower extremity muscle ***:TBW percentage and 3rd space water measured with bio-impedance method are potential ris

关键词： Body composition Training injuries Lower extremity Bio-impedance

Preparation and Characterization of Porous PVdF-HFP/clay Nanocomposite Membranes

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Journal of Materials Science & Technology 2010年第7期26卷 633-638页

作者： mi Jin Koh Hae young Hwang Deuk Ju Kim Hyeng Jun Kim young Taik Hong Sang Yong Nam School of Materials Science and Engineering Engineering Research Institutei-Cube CenterGyeongsang National UniversityJinjuKorea Fuel Cell Research Center Korea Institute of Science and TechnologySeoul 136-791Korea Energy Material Research Center Korea Research Institute of Chemical TechnologyDaejeon 305-600Korea

Polyvinylidene fluoride-hexafluoropropylene （PVdF-HFP） / clay nanocomposite membranes were prepared by phase inversion method through controlling retention time to apply for a lithium ion secondary batteries. Increased membrane porosity with macrovoids was observed at increasing retention time. Partially intercalated structures of PVdF-HFP/clay nanocomposite membranes were confirmed by X-ray diffraction （XRD） analysis. PVdF-HFP membranes containing various kind of clay showed the increase of membrane modulus compared to the pristine PVdF-HFP membrane.

关键词： PVdF-HFP Porosity Mechanical properties Clay Separator

Predictive factors for early clinical response in community-onset Escherichia coli urinary tract infection and effects of initial antibiotic treatment on early clinical response

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World Journal of Clinical Cases 2020年第19期8卷 4342-4348页

作者： young Jun Kim Jeong-mi Lee Jae-Hoon Lee Department of Internal Medicine Wonkwang University College of MedicineIksan 54538South Korea Department of Public Health Wonkwang University College of MedicineIksan 54538South Korea Department of Internal Medicine and Institute of Wonkwang Medical Science Wonkwang University College of MedicineIksan 54538South Korea

BACKGROUND Urinary tract infection(UTI)is a common *** often requires hospitalization,and severe presentations,including sepsis and other complications,have a mortality rate of 6.7%-8.7%.AIM To evaluate the predictive factors for early clinical response and effects of initial antibiotic therapy on early clinical response in community-onset Escherichia coli(***)urinary tract infections(UTIs).METHODS This retrospective study was conducted at Wonkwang University Hospital in South Korea between January 2011 and December *** patients(aged>18 years)who were diagnosed with community-onset *** UTI were enrolled in this *** A total of 511 hospitalized patients were included.66.1%of the patients had an early clinical *** mean length of hospital stay in patients with an early clinical response were each 4.3 d shorter than in patients without an early clinical *** the multiple regression analysis,initial appropriate antibiotic therapy(OR=2.449,P=0.006),extended-spectrum(3-lactamase(ESBL)-producing ***(OR=2.112,P=0.044),improper use of broad-spectrum antimicrobials(OR=0.411,P=0.006),and a stay in a healthcare facility before admission(OR=0.562,P=0.033)were the factors associated with an early clinical *** broadspectrum antibiotic therapy was not associated with an early clinical *** ESBL producing ***,and the type of residence before hospital admission were the factors associated with an early clinical *** of initial antibiotic therapy was a predictive factor for an early clinical response,but broadspectrum of initial antibiotic therapy did not impact early clinical response.

关键词： Escherichia coli Urinary tract infections Adult Community acquired infections

Safe drug treatment and procedure for herpes zoster in pregnancy:a case report

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Chinese Medical Journal 2020年第16期133卷 1999-2000页

作者： Ji Yeong Kim You Ri Ko Sung Eun sim Sua Oh mi Hyeon Lee Hue Jung Park Department of Anesthesiology and Pain Medicine Seoul St.Mary’s HospitalCollege of MedicineThe Catholic University of KoreaSeoulRepublic of Korea

To the Editor:A first infection of varicella-zoster virus(VZV)during pregnancy can cause serious systemic disease to both mother and the *** this maternal herpes zoster(HZ)does not increase fetal mortality,and the transmission of varicella-zoster virus to the fetus rarely *** HZ infection has a minimal effect on the fetus,maternal HZ can cause significant complications for the mother.

关键词： zoster mother pregnancy fetal

Single-step Preparation of Nano-homogeneous NiO/YSZ Composite Anode for Solid Oxide Fuel Cells

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Nano-micro Letters 2013年第2期5卷 111-116页

作者： Jung-Hoon Song mi young Park Hye Won Park Hyung-Tae Lim Research Institute of Industrial Science and Technology (RIST) Fuel Cell Project Changwon National University School of Nano & Advanced Materials Engineering

Homogeneous co-precipitation and hydrothermal treatment were used to prepare nano- and highly dispersed Ni O/YSZ(yttria-stabilized zirconia) composite powders. Composite powders of size less than 100 nm were successfully prepared. This process did not require separate sintering of the YSZ and Ni O to be used as the raw materials for solid oxide fuel cells. The performance of a cell fabricated using the new powders(*** density ~0.87 W/cm^2) was higher than that of a cell fabricated using conventional powders(max. power density ~0.73 W/cm^2). Co-precipitation and hydrothermal treatment proved to be very effective processes for reducing cell production costs as well as improving cell performance.

关键词： Fuel cells Powder processing Electrochemistry Hydrothermal process NiO/YSZ composite anode

Epigenetics: An emerging player in gastric cancer

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World Journal of Gastroenterology 2014年第21期20卷 6433-6447页

作者： Changwon Kang Ji-Joon Song Jaeok Lee mi young Kim Department of Biological Sciences Korea Advanced Institute of Science and TechnologyDaejeon 305-701South Korea

Cancers,like other diseases,arise from gene mutations and/or altered gene expression,which eventually cause dysregulation of numerous proteins and noncoding *** in gene expression,i.e.,upregulation of oncogenes and/or downregulation of tumor suppressor genes,can be generated not only by genetic and environmental factors but also by epigenetic factors,which are inheritable but nongenetic modifications of cellular chromosome *** of the factors that contribute to individual cancers is a prerequisite to a full understanding of cancer mechanisms and the development of customized cancer *** search for genetic and environmental factors has a long history in cancer research,but epigenetic factors only recently began to be associated with cancer formation,progression,and *** alterations of chromatin include DNA methylation and histone modifications,which can affect gene-expression *** studies have revealed diverse mechanisms by which chromatin modifiers,including writers,erasers and readers of the aforementioned modifications,contribute to the formation and progression of ***,functional RNAs,such as microRNAs and long noncoding RNAs,have also been identified as key players in these *** review highlights recent findings concerning the epigenetic alterations associated with cancers,especially gastric cancer.

关键词： Gastric cancer Epigenetics DNA methylation Histone modification Gene expression

Clinical significance of the leptin and leptin receptor expressions in prostate tissues

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Asian Journal of Andrology 2008年第6期10卷 923-928页

作者： Jung Hoon Kim Shin young Lee Soon Chul Myung young Sun Kim Tae-Hyoung Kim mi Kyung Kim Departments of Urology College of Medicine Chung-Ang University Seoul 140-757 Korea Departments of Pathology College of Medicine Chung-Ang University Seoul 140-757 Korea

Aim： To evaluate the expression of leptin and leptin receptor in benign prostatic hyperplasia （BPH） and prostate cancer （PCa）, and to investigate whether they are associated with the development and progression of PCa. Methods： hnmunohistochemical staining was performed to examine the expression of leptin and leptin receptor in BPH and PCa. PCa was divided into three groups： localized PCa, locally advanced PCa and metastatic PCa. The positive staining was identified and the percentage of the positive staining was graded. We also assessed the relationship between both the Gleason score and body mass index （Bmi） and PCa. Results： The percentage of the leptin expression in PCa was significantly higher than that in BPH （P 〈 0.01）. For the PCa group, the expressed levels of leptin showed a considerable correlation with localized PCa and metastatic PCa （P 〈 0.05）. Leptin receptor, however, did not reveal a definite difference between BPH and PCa. The expression of leptin indicated a significant difference between well-differentiated PCa （Gleason score ≤6） and poorly differentiated PCa （Gleason score 8-10）（P 〈 0.05）. The relation between the leptin expression level in PCa and the Bmi was not remarkable （P = 0.447）. Conclusion： Our results suggest that leptin might have a promoting effect on the carcinogenesis and progression of PCa.

关键词： leptin leptin receptor prostatic neoplasms

Stereotactic body radiotherapy for isolated paraaortic lymph node recurrence from colorectal cancer

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World Journal of Gastroenterology 2009年第48期15卷 6091-6095页

作者： mi-Sook Kim Chul Koo Cho Kwang Mo Yang Dong Han Lee Sun mi Moon young Joo Shin Department of RadiationOncology and Surgery Korea Institute of Radiological & Medical Sciences

AIM： To evaluate the efficacy and complications of stereotactic body radiotherapy in localized paraaortic lymph node recurrence from colorectal cancer. METHODS： From 2003 to 2009, 7 patients with paraaortic lymph node recurrence （1-3 lesions） from colorectal cancer were treated with stereotactic body radiotherapy. Total gross tumor volumes ranged from 4 to 40 mL. The doses were escalated from 36 Gy/patient to 51 Gy/patient and were delivered in 3 fractions. RESULTS： One and 3 year overall survival rates were 100% and 71.4%, respectively, and median survival was 37 mo. Grade IV intestinal obstruction was reported in 1 of 7 patients. This patient received 48 Gy in 3 fractions with a maximum point dose to the intestine of 53 Gy and V45Gy = 3.6 mL. However, 6 patients received an intestinal maximum point dose of 〈 51 Gy and V45Gy of 〈 1 mL, and did not develop any severe complications. CONCLUSION： This pilot study suggests selected paraaortic lymph node recurrence （1-3 closed lesions） that failed to respond to chemotherapy can be potentially salvaged by stereotactic body radiotherapy.

关键词： Stereotactic body radiotherapy Paraaortic lymph node recurrence Colorectal cancer

Annual Energy Production Estimation for Variable-speed Wind Turbine at High-altitude Site

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Journal of Modern Power Systems and Clean Energy 2021年第3期9卷 684-687页

作者： Dongran Song Songyue Zheng Sheng Yang Jian Yang mi Dong Mei Su young Hoon Joo the School of Automation Central South UniversityChangsha 410083China the School of Energy Science and Engineering Central South UniversityChangsha 410083China the School of IT Information and Control Engineering Kunsan National UniversityKunsan 573701Korea

This letter presents a systematic approach to estimate the annual energy production(AEP) of variable-speed wind turbines erected at high-altitude sites. Compared with the existing empirical-model based approaches, the proposed approach models the influence of the air density on the power production while employing the theoretical power curve. Consequently, the proposed approach provides a precise estimation of AEP, which can serve as a foundation of the optimum turbinesite matching design at different-altitude sites.

关键词： Variable-speed wind turbine annual energy production high-altitude site turbine-site matching