http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
김정원,예병진 고신대학교 의과대학 2010 고신대학교 의과대학 학술지 Vol.25 No.2
Herniated nucleus pulpous(HNP) on lumbar spine is one of work-related musuloskeletal disorders. We evaluated a worker diagnosed HNP with some ergonomics tools to identify work-related risk factors at his workplace. One tool is are mainly developed to evaluate lumbar disc pressure of 5th lumbar on 1st sacral spine. We used another tool to evaluate lumbar posture. The worker's main job is heavy material lifting and handlings. The results show us that his work can be a musculoskeletal body burden of his low back such as pressure over 3,400N. Finally, We suggested some recommendations to improve his working conditions and prevent his disorder
김정원,예병진 고신대학교 의과대학 2010 고신대학교 의과대학 학술지 Vol.25 No.2
Lateral epicondylitis is one of work-related musculoskeletal disorders. We evaluated a worker who diagnosed lateral epicondylitis with some ergonomics tools to identify work-related risk factors at his workplace. The worker's main job is drawing up a design using a CAD(computer aided design) program. The CAD job shows us that investigation and changes are required soon as an action level. We suggested some recommendations to improve his working conditions and prevent his disorder.
Evaluation of mercury exposure level, clinical diagnosis and treatment for mercury intoxication
Byeong-Jin Ye,Byoung-Gwon Kim,Man-Joong Jeon,Se-Yeong Kim,Hawn-Cheol Kim,Tae-Won Jang,Hong-Jae Chae,Won-Jun Choi,Mi-Na Ha,Young-Seoub Hong 대한직업환경의학회 2016 대한직업환경의학회지 Vol.28 No.-
Mercury occurs in various chemical forms, and it is different to health effects according to chemical forms. In consideration of the point, the evaluation of the mercury exposure to human distinguished from occupational and environmental exposure. With strict to manage occupational exposure in factory, it is declined mercury intoxication cases by metallic and inorganic mercury inhalation to occupational exposure. It is increasing to importance in environmental exposure and public health. The focus on the health impact of exposure to mercury is more on chronic, low or moderate grade exposure—albeit a topic of great controversy—, not high concentration exposure by methylmercury, which caused Minamata disease. Recently, the issue of mercury toxicity according to the mercury exposure level, health effects as well as the determination of what mercury levels affect health are in the spotlight and under active discussion. Evaluating the health effects and Biomarker of mercury exposure and establishing diagnosis and treatment standards are very difficult. It can implement that evaluating mercury exposure level for diagnosis by a provocation test uses chelating agent and conducting to appropriate therapy according to the result. but, indications for the therapy of chelating agents with mercury exposure have not yet been fully established. The therapy to symptomatic patients with mercury poisoning is chelating agents, combination therapy with chelating agents, plasma exchange, hemodialysis, plasmapheresis. But the further evaluations are necessary for the effects and side effects with each therapy.
Prevalence of Clostridium tetani isolated from cattle farms in Korea
Jin Sung Seo(Jin Sung Seo),Young Min Son(Young Min Son),Kwang-Ho Choi(Kwang-Ho Choi),Mi-Hye Hwang(Mi-Hye Hwang),Kichan Lee(Kichan Lee),Bang-Hun Hyun(Bang-Hun Hyun),Young-Ju Lee(Young-Ju Lee),Byeong Ye 한국예방수의학회 2018 한국예방수의학회 학술대회자료집 Vol.2018 No.-
Yoon, Jin-Hwan,Kim, Kwang-Woo,Kim, Je-Han,Heo, Kyu-Young,Jin, Kyeong-Sik,Jin, Sang-Woo,Shin, Tae-Joo,Lee, Byeong-Du,Rho, Ye-Cheol,Ahn, Byung-Cheol,Ree, Moon-Hor The Polymer Society of Korea 2008 Macromolecular Research Vol.16 No.7
There are two beamlines (BLs), 4C1 and 4C2, at the Pohang Accelerator Laboratory that are dedicated to small angle X-ray scattering (SAXS). The 4C1 BL was constructed in early 2000 and is open to public users, including both domestic and foreign researchers. In 2003, construction of the second SAXS BL, 4C2, was complete and commissioning and user support were started. The 4C2 BL uses the same bending magnet as its light source as the 4C1 BL. The 4C1 BL uses a synthetic double multilayer monochromator, whereas the 4C2 BL uses a Si(111) double crystal monochromator for both small angle and wide angle X-ray scattering. In the 4C2 BL, the collimating mirror is positioned behind the monochromator in order to enhance the beam flux and energy resolution. A toroidal focusing mirror is positioned in front of the monochromator to increase the beam flux and eliminate higher harmonics. The 4C2 BL also contains a digital cooled charge coupled detector, which has a wide dynamic range and good sensitivity to weak scattering, thereby making it suitable for a range of SAXS and wide angle X-ray scattering experiments. The general performance of the 4C2 BL was initially tested using standard samples and further confirmed by the experience of users during three years of operation. In addition, several grazing incidence X-ray scattering measurements were carried out at the 4C2 BL.
( Kwang Hee Won ),( Jeong Eun Kim ),( Myoung Eun Choi ),( Ye Jin Lee ),( Chang Jin Jung ),( Byeong Jin Park ),( Woo Jin Lee ),( Chong Hyun Won ),( Mi Woo Lee ),( Jee Ho Choi ),( Sung Eun Chang ) 대한피부과학회 2021 大韓皮膚科學會誌 Vol.59 No.1
Background: Riehl’s melanosis of the face and neck has been reported in middle-aged women who have darker skin types. Recently, cases of Riehl’s melanosis have been on the rise in Korea, which might reflect the increased use of various cosmetic products and procedures. Objective: This study was designed to analyze the clinicopathological characteristics and treatment outcomes of Riehl’s melanosis in Korean patients. Methods: We closely observed 80 patients with Riehl’s melanosis diagnosed in Asan Medical Center and Hanyang University Medical Center between 2005 and 2015. A skin biopsy was analyzed in 51 patients, and a patch test was carried out in 16 patients. Results: Patients with chronic Riehl’s melanosis (>12 months) had an increased frequency of previous laser treatments. Patients with acute Riehl’s melanosis (<3 months) reported a previous history of dry skin, itching, or irritation as a result of the use of hair dye. Patients older than 50 years, with darker skin type, and with a longer disease duration (>12 months) had poor response rates. Chronic Riehl’s melanosis may be preceded by repeated irritation of barrier-compromised skin, and acute Riehl’s melanosis seems to be an allergic form of Riehl’s melanosis. Conclusion: Riehl’s melanosis has different clinical manifestations according to disease duration and different treatment responses based on disease duration. (Korean J Dermatol 2021;59(1):45∼53)
( Kwang Hee Won ),( Jeong Eun Kim ),( Myoung Eun Choi ),( Hyoung Min Na ),( Ye Jin Lee ),( Chang Jin Jung ),( Byeong Jin Park ),( Woo Jin Lee ),( Chong Hyun Won ),( Mi Woo Lee ),( Jee Ho Choi ),( Sung 대한피부과학회 2020 대한피부과학회 학술발표대회집 Vol.72 No.1
Background: Riehl’s melanosis of the face and neck has been reported in middle-aged women who have darker skin types. Recently, cases of Riehl’s melanosis have been on the rise in Korea, which might reflect the increased use of various cosmetic products and procedures. Objectives: This study was designed to analyze the clinicopathological characteristics and treatment outcomes of Riehl’s melanosis in Korean patients. Methods: We closely observed 80 patients with Riehl’s melanosis diagnosed in Asan Medical Center and Hanyang University Medical Center between 2005 and 2015. A skin biopsy was analyzed in 51 patients, and a patch test was carried out in 16 patients. Results: Patients with chronic Riehl’s melanosis (>12 months) had an increased frequency of previous laser treatments. Patients with acute Riehl’s melanosis (< 3 months) reported a previous history of dry skin, itching, or irritation as a result of the use of hair dye. Patients older than 50 years, with darker skin type, and with a longer disease duration ( >12 months) had poor response rates. Chronic Riehl’s melanosis may be preceded by repeated irritation of barrier-compromised skin, and acute Riehl’s melanosis seems to be an allergic form of Riehl’s melanosis. Conclusion: Riehl’s melanosis has different clinical manifestations according to disease duration and different treatment responses based on disease duration.
수리조선업 근로자들의 단순흉부촬영에서 흉막 비후 유병률 : 석면 노출과 관련하여
예병진,김정일,이현재,김기남,이기남,정갑열,김준연,윤성호 大韓産業醫學會 2008 대한직업환경의학회지 Vol.20 No.1
목적: 본 연구는 수리조선업 사업장의 석면 노출 근로자와 비노출 근로자의 단순흉부촬영 검사에서 흉막 비후의 유병률 차이를 비교하고 석면 노출군의 특징을 확인하는 것을 목적으로 하였다. 방법: 한 수리조선소에 현재 근무하고 있거나 퇴직한 근로자 중 2005년부터 2007년까지 단순흉부촬영을 받았던 근로자 1,701명(79.4%)을 대상으로 석면 노출 여부와 노출기간에 따른 흉막 비후의 유병률을 분석하였다. 결과: 흉막 비후 유병률은 석면 노출군에서 5.2%,비 노출군에서 3.1%를 보였으며(p<O.05),특히 50대 이상에서 석면 노출군 17.6%,비노출군 8.7%로 큰 차이를 보였다(p<O.05). 결핵의 병력이 있거나 의심되는 근로자들을 제외한 경우에도 유병률의 유의한 차이가 있었다. 20∼29년간 석면에 노출된 경우 16.5%. 30년 이상인 경우 30.8%로 흉막 비후 유병률이 매우 높았다. 석면 노출 기간이 20∼29년, 30년 이상일 경우 흉막 비후의 교차비가 각각 2. 34(95%CI: 1.15∼4.77), 2.95(95%CI: 1.08∼8.07)이었다. 결론: 20년 이상 석면에 노출된 경우 흉막 비후 위험도가 높아지므로 적극적인 의학적 감시와 연구가 필요하다고 사료된다. Objectives: This study evaluated the prevalence of asbestos exposure-induced pleural thickening on chest radiograph in repairing shipyard workers. Methods: A total of 2,114 incumbent and retired workers in a shipyard underwent chest radiograph, questionnaire study, interview, and physical exam from 2005 to 2007. Finally, 1,702 workers were selected and classified into two groups according to asbestos exposure: exposure and non-exposure groups. The characteristics in the exposure group were investigated. Results: The prevalence of pleural thickening on chest radiograph was 5.2 % and 3.1 % in the exposure and non-exposure groups, respectively (P<0.05). In those aged 50 years or above, the prevalence was 17.6 % and 8.7 % in the exposure and non-exposure groups, respectively (P<0.05). The prevalence was 16.5 % and 30.2 % and the odds ratio was 2.34 (95% CI; 1.15-4.77) and 2.95 (95%CI; 1.08-8.07) in the workers with an exposure duration of 20-29 years and more than 30 years, respectively. The prevalence was higher when considering tuberculosis history. Conclusions: The prevalence was increased with increasing exposure duration was more than 20 years. The authors therefore suggest that this group should be followed up periodically by special program and that a longitudinal study with repairing shipyard workers as the cohort should be undertaken.
Jin-Gyeong Cho,Seo-Ji In,Ye-Jin Jung,Byeong-Ju Cha,Dae-Young Lee,Yong-Bum Kim,Myeonghun Yeom,백남인 고려인삼학회 2014 Journal of Ginseng Research Vol.38 No.2
Ginseng roots were extracted with aqueous methanol, and extracts were suspended in water andextracted successively with ethyl acetate and n-butanol. Column chromatography using the n-butanolfraction yielded four purified triol ginseng saponins: the ginsenosides Re, Rf, Rg2, and 20-gluco-Rf. Thephysicochemical, spectroscopic, and chromatographic characteristics of the ginsenosides were measuredand compared with reports from the literature. For spectroscopic analysis, two-dimensional nuclearmagnetic resonance (NMR) methods such as 1H-1H correlation spectroscopy, nuclear Overhauser effectspectroscopy, heteronuclear single quantum correlation, and heteronuclear multiple bond connectivitywere employed to identify exact peak assignments. Some peak assignments for previously published 1Hand13C-NMR spectra were found to be inaccurate. This study reports the complete NMR assignment of20-gluco-Rf for the first time.