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Development and Evaluation of Protective Clothing for Rose Farmers
( Hyeseon Chae ),( Sungchul Kim ),( Youngsoon Oh ),( Kyungsook Lee ),( Hyocher Kim ),( Soonjee Park ) 한국의류학회 2016 한국의류학회지 Vol.40 No.3
Protective clothing developed for rose flower farmers has been evaluated to improve the working conditions. The requirements of rose farmers were first identified to design protective clothing for farmers working with thorny plants. A fit test was conducted to assess the thermal comfort and protective function against thorn pricking to compare and evaluate the usability of developed experimental clothing with existing working clothes. Based on the survey results of rose farmers`` requirements, protective clothing was designed in the form of an apron (which was the most preferred after gloves) with a pattern designed for the production of experimental clothing. For the developed protective clothing, the strap and buckle closure method was selected to open the back of the body as much as possible; in addition, sleeves were made in the attachable form of a half-sleeve to protect the arms from the thorns. The fit test of the developed protective clothing and existing working clothes revealed the temperature and humidity inside the developed protective clothing to be significantly different in the back compared to existing work clothes. In addition to thermal sensations, the subjective humidity sensations were statistically significant different in the developed protective clothing compared to existing work clothes. The subjective protective function for thorn pricking was also found to be satisfactory.
Estimated rate of agricultural injury
Hyeseon Chae,Kyungdoo Min,kanwoo Youn,Jinwoo Park,Kyungran Kim,Hyocher Kim,Kyungsuk Lee 대한직업환경의학회 2014 대한직업환경의학회지 Vol.26 No.-
Objectives: This study estimated the rate of agricultural injury using a nationwide survey and identified factors associated with these injuries. Methods: The first Korean Farmers’ Occupational Disease and Injury Survey (KFODIS) was conducted by the Rural Development Administration in 2009. Data from 9,630 adults were collected through a household survey about agricultural injuries suffered in 2008. We estimated the injury rates among those whose injury required an absence of more than 4 days. Logistic regression was performed to identify the relationship between the prevalence of agricultural injuries and the general characteristics of the study population. Results: We estimated that 3.2% (±0.00) of Korean farmers suffered agricultural injuries that required an absence of more than 4 days. The injury rates among orchard farmers (5.4 ± 0.00) were higher those of all non-orchard farmers. The odds ratio (OR) for agricultural injuries was significantly lower in females (OR: 0.45, 95% CI = 0.45?0.45) compared to males. However, the odds of injury among farmers aged 50?59 (OR: 1.53, 95% CI = 1.46?1.60), 60?69 (OR: 1.45, 95% CI = 1.39?1.51), and ≥70 (OR: 1.94, 95% CI = 1.86?2.02) were significantly higher compared to those younger than 50. In addition, the total number of years farmed, average number of months per year of farming, and average hours per day of farming were significantly associated with agricultural injuries. Conclusions: Agricultural injury rates in this study were higher than rates reported by the existing compensation insurance data. Males and older farmers were at a greater risk of agriculture injuries; therefore, the prevention and management of agricultural injuries in this population is required.
Hyeseon Chae,Sungcheol Kim,Kwanwoo Kim,Kyungsuk Lee,Hoycher Kim,Keunsang Park 대한인간공학회 2011 大韓人間工學會誌 Vol.30 No.6
Objective: The purpose of this study is to assess the reducing effect of workload on developed electro-motion scissors. Methods: To achieve this, we measured the pressure distribution, Joint angle of fingers and JSI(Job Strain Index) for electro-motion scissors and hand-operated scissor in objective assessment and surveyed the uncomfortable degree in subjective assessment. Results: As a result, The peak of pressure in the electro-motion scissors was generally lower than the hand-operated scissors. JSI and overall joint angle of fingers for the electro-motion scissors were remarkably lower than the hand-operated scissors. Also, the subjective uncomfortable degree showed that the uncomfortable point of electro-motion scissors were generally lower than the hand operated scissors. Conclusion: The impact of reducing the work load as well as distributing the pressure around the hand by using electro-motion scissors during grapes pinching was confirmed.
체계화된 측정도구를 이용한 조사표 개선 모델 개발 및 적용
채혜선(Hyeseon Chae),이경숙(Kyungsuk Lee),최동필(Dongphil Choi),손정규(Jeongkyu Son) 한국농촌지도학회 2016 농촌지도와 개발 Vol.23 No.3
This study aims to improve the Korean Farmers’ Occupational Disease and Injury Survey (KFODIS), using the questionnaire improvement model, and systematic appraisal tools. The questionnaire improvement model comprises three stages: pretesting, redesign, and field-testing. The survey was evaluated by 13 expert reviewers, using a modified version of the Questionnaire Appraisal System (QAS-99). Based on the results of pretesting, survey questions were modified at a group meeting of experts. To identify potential issues with the improved survey questions, data were collected from 20 interviews and 31 respondents before behavior coding analysis was conducted. The questionnaire improvement model and systematic appraisal tools were useful in identifying, evaluating, and correcting miscommunication and other similar issues in the KFODIS.
( Dain Kim ),( Hyeseon Yoon ),( Sangkyu Kim ),( Jimin Wi ),( Heesu Chae ),( Gyunghee Jo ),( Jun-yeol Yoon ),( Heeyoun Kim ),( Chankyu Lee ),( Se-ho Kim ),( Hyo Jeong Hong ) 한국미생물 · 생명공학회 2018 Journal of microbiology and biotechnology Vol.28 No.12
Cross-reactive material 197 (CRM<sub>197</sub>) is a non-toxic mutant of diphtheria toxin containing a single amino acid substitution of glycine 52 with glutamic acid. CRM<sub>197</sub> has been used as a carrier protein for poorly immunogenic polysaccharide antigens to improve immune responses. In this study, to develop a sandwich ELISA that can detect CRM<sub>197</sub> and CRM<sub>197</sub> conjugate vaccines, we generated a human anti-CRM<sub>197</sub> monoclonal antibody (mAb) 3F9 using a phage-displayed human synthetic Fab library and produced mouse anti-CRM197 polyclonal antibody. The affinity (K<sub>D</sub>) of 3F9 for CRM<sub>197</sub> was 3.55 nM, based on Bio-Layer interferometry, and it bound specifically to the B fragment of CRM<sub>197</sub>. The sandwich ELISA was carried out using 3F9 as a capture antibody and the mouse polyclonal antibody as a detection antibody. The detection limit of the sandwich ELISA was <1 ng/ml CRM<sub>197</sub>. In addition, the 3F9 antibody bound to the CRM<sub>197</sub>-polysaccharide conjugates tested in a dose-dependent manner. This ELISA system will be useful for the quantification and characterization of CRM<sub>197</sub> and CRM<sub>197</sub> conjugate vaccines. To our knowledge, this study is the first to generate a human monoclonal antibody against CRM197 and to develop a sandwich ELISA for CRM<sub>197</sub> conjugate vaccines.