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Vis/NIR 초분광 분석을 이용한 고춧가루 색도 간이 측정법 개발
한고은(Koeun Han),이훈수(Hoonsoo Lee),강진호(Jin-Ho Kang),최은아(Eunah Choi),오세정(Se-Jeong Oh),이용직(Yong-Jik Lee),조병관(Byoung-Kwan Cho),강병철(Byoung-Cheorl Kang) 한국원예학회 2015 원예과학기술지 Vol.33 No.3
색도는 고추의 품질을 결정하는 중요한 요인으로, 색도 측정을 위해 high-performance liquid chromatography(HPLC), thin layer chromatography(TLC), ASTA-20 방법 등이 활용되고 있다. 특히 ASTA-20 방법은 간단하고 정확하게 다수의 시료에 대한 색도 분석을 수행할 수 있다는 장점 덕분에 주로 사용된다. 하지만 전처리 과정에 시간이 많이 소요되고 아세톤과 같은 폐시약이 발생한다. 따라서 본 연구에서는 ASTA-20 방법을 대체하기 위하여 Vis/NIR 초분광 분석법을 활용한 빠른 색도 분석법을 개발하고자 하였다. ASTA-20 방법과 Vis/NIR 초분광 분석법의 상관관계를 분석하기 위하여 총 488점 고춧가루의 색도를 두 가지 방법으로 측정하였다. 이후 무작위로 선발한 366개의 시료를 이용하여 Vis/NIR 초분광 분석법으로 측정한 값으로부터 ASTA 값을 예측하는 부분최소자승법(PLS) 모델을 확립하였다. 모델 개발에 활용하지 않은 122개 시료의 ASTA 값을 PLS 모델을 이용하여 예측하고, ASTA-20 방법으로 측정한 값과 비교해본 결과, 매우 유의성 있는 상관관계(R²=0.88)를 나타내 Vis/NIR 초분광 분석법의 신뢰도를 확인할 수 있었다. 따라서 본 연구에서 개발한 간편하고 빠른 ASTA 값 측정 방법은 전처리 단계를 요구하지 않고, 30분 이내에 100개 시료에 대한 분석을 수행할 수 있어 다수의 고춧가루 색도를 빠르게 측정하는데 유용하게 사용될 것으로 기대한다. Color is one of the quality determining factors for pepper powder. To measure the color of pepper powder, several methods including high-performance liquid chromatography (HPLC), thin layer chromatography (TLC), and ASTA-20 have been used. Among the methods, the ASTA-20 method is most widely used for color measurement of a large number of samples because of its simplicity and accuracy. However it requires time consuming preprocessing steps and generates chemical waste containing acetone. As an alternative, we developed a fast and simple method based on a visible/near infrared (Vis/NIR) hyperspectral method to measure the color of pepper powder. To evaluate correlation between the ASTA-20 and the visible/near infrared (Vis/NIR) hyperspectral methods, we first measured the color of a total of 488 pepper powder samples using the two methods. Then, a partial leasts quares ( PLS) model was postulated using the color values of randomly selected 366 samples to predict ASTA values of unknown samples. When the ASTA values predicted by the PLS model were compared with those of the ASTA-20 method for 122 samples not used for model development, there was very high correlation between two methods (R² = 0.88) demonstrating reliability of Vis/NIR hyperspectral method. We believe that this simple and fast method is suitable for highthroughput screening of a large number of samples because this method does not require preprocessing steps required for the ASTA-20 method, and takes less than 30 min to measure the color of pepper powder.
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전주 구도심 전라감영지의 재생과 활성화를 위한 설계연구
한고은(Han, Ko-Eun),이영(Lee, Young) 대한건축학회 2012 대한건축학회논문집 Vol.28 No.11
The purpose of this study is to analyze boundaries of the old Jeonju City and then suggest an architectural proposal for revitalizing the Historical site, JeollaGamYoung. Jeonju has been through its course of the birth, growth, decline and regeneration under different economic, cultural and political conditions. Nowadays Jeonju is pursuing two compatible goals called “conservation” of history, traditions and cultural elements and “development” to improve citizen’s life quality. This study also suggests a future prospect for Jeonju which has been its characteristic history and culture from an angle of development and regeneration. At the same time, this study investigates the old Jeonju City as a centre of present city. Also it finds out how this part has changed its role as old civic center. In addition, this study has a specific goal as a basic material that can be effective for old civic center’s regeneration. Firstly, we analyze the structure of old Jeonju City, and try to figure out boundaries of JeollaGamYoung and its annex using several stacked layers of old maps of Jeonju. We verify exact boundary of past in old Jeonju with a method of overlapping two sheets of maps of past Jeonju and present one. Secondly, restoration of JeollaGamYoung is understood in the same context as regeneration of old civic center, Jeonju. Thirdly, this study suggests a new direction of urban regeneration proposal using local government office in Jeonju and the future changes. Thus, this study proposes a unique method about how to preserve the old civic center of Jeonju, and how to regenerate this urban center in architectural perspectives. We expect to revitalize the old civic center of Jeonju with the combination of traditional culture contents and this architectural proposal on its new main street.
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MOBA(Multiplayer Online Battle Arena) 장르의 게임 내 성차별 사례 분석과 대안에 관한 연구
한고은(Go-Eun Han),이동민(Dong-Min Lee),이종원(Jong-Won Lee) 한국컴퓨터정보학회 2017 한국컴퓨터정보학회 학술발표논문집 Vol.25 No.2
게임 산업이 발달하고 유저가 증가하면서, MOBA 장르의 게임들이 큰 인기를 끌고 있다. 하지만 팀원의 협동을 필요로 하는 게임에서 성으로 인한 차별적 대우를 받는 유저들이 급증하고 있고, 사회적으로도 이슈가 되고 있다. 본 연구에서는 MOBA 게임에서 유저들이 받고 있는 성차별 피해 사례를 수집하여 차별의 이유를 분석하고, 이런 성차별 피해를 없애기 위해 어떤 시스템을 도입하면 좋을지에 대해 방향을 제시한다.
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일 혁신도시로 이전 근무 중인 공기업 근로자의 우울 증상 및 관련 요인
강한고은비,윤보현,전봉희,김형연,시영화,송제헌,박수희,김경민,정하란,정유란,박진형 대한우울조울병학회 2017 우울조울병 Vol.15 No.3
Objective : To investigate prevalence of depressive symptoms and related factors among public enterprise workers that relocated their workplaces to Innovation City. Methods : A total of 711 public enterprise workers living in Gwangju · Jeonnam Joint Innovation City were included. They completed the self-reporting questionnaires such as the Center for Epidemiologic Studies Depression Scale, Korean Occupational Stress Scale, Alcohol Use Disorder Identification Test, and the state anxiety component of State-Traits Anxiety Inventory. Results : Prevalence of depressive symptoms of overall was 10.5%. Gender, age, marital status, length of employment, alcohol use, overall satisfaction with living in the Innovation City, total scores of job-related stress and state anxiety revealed significant differences between the depressed and non-depressed symptom groups. In multivariate regression analysis, “Dissatisfied with living in the Innovation City” (OR=6.48), “Non-alcohol drinker” (OR=2.8), “Unmarried” (OR=2.58), “State anxiety” (OR=1.15) were significantly associated with depressive symptoms. Conclusion : This result suggests that there was high prevalence of depression in public enterprise workers relocating a workplace to Innovation City and several factors may be highly related with depression. It means that these psychosocial vulnerable factors in depressed workers should be thoroughly addressed in providing an employee assistance program.
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강한고은비,윤보현,정하란,김경민,윤현주,송재헌,박수희,시영화 대한우울조울병학회 2019 우울조울병 Vol.17 No.3
Background: The aim of this study was to screen Korean college students for correlates, and comorbidities associated with attention-deficit hyperactivity disorder (ADHD). Methods: A total of 2,593 college students participated in the study. Socio-demographic and clinical data were collected and self-report scales, such as the Adult ADHD Self-Report Scale-Version 1.1, the Center for Epidemiologic Studies Depression Scale, the Korean version of the Mood Disorder, a modified Korean version of the 16-item Prodromal Questionnaire, and the Alcohol Use Disorders Identification Test were included. Students with and without ADHD were compared using univariable analyses, and the association of ADHD with other psychiatric comorbidities was predicted using multivariable analyses. Results: Of the total participants, 4.7% were diagnosed with ADHD. Multivariable analysis revealed that ADHD in college students was significantly associated with depression, psychotic-like experience, alcohol abuse, and female sex after adjustment. We found that ADHD in young college students was associated with several psychiatric comorbidities. Conclusion: These results suggest the need for early detection of ADHD in young adults and highlight the importance of implementing early psychiatric intervention for problems such as depression, psychotic-like experience, and alcohol abuse in adults with ADHD.
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강한고은비(Hangoeunbi Kang),정하란(Ha-Ran Jung),이주연(Ju-Yeon Lee),김선영(Seon-Young Kim),김재민(Jae-Min Kim),윤진상(Jin-Sang Yoon),김성완(Sung-Wan Kim) 대한생물치료정신의학회 2018 생물치료정신의학 Vol.24 No.3
Objectives:The aim of this study was to examine associations between quality of life in patients with schizophrenia and their family relationships. Methods:A total of 68 patients with schizophrenia participated in the study. Socio-demographic and clinical data were collected, as well as results from the Subjective Well-being under Neuroleptic Treatment Scale-Short Form(SWNK), Family Emotional Involvement and Criticism Scale(FEICS), a visual analogue scale for evaluating the degree of perceived criticism(VAS), the Family Adaptability and Cohesion Evaluation Scale(FACES), Beck Cognitive Insight Scale(BCIS), and Rosenberg Self Esteem Scale(R-SES). Psychiatrists administered the Positive and Negative Syndrome Scale and the Calgary Depression Scale for Schizophrenia(CDSS), and collected a history of previous suicide attempts. Results:The SWN-K total scores showed significant negative correlations with scores on the FEICS perceived criticism, CDSS, and VAS measures and significant positive correlations with scores on the R-SES, FACES, and BCIS. Multiple regression analysis revealed that FEICS perceived criticism, FACES, and BCIS scores were significantly associated with SWN-K scores. The FACES total score was significantly lower in patients with a history of previous suicide attempt. Conclusion:The quality of life of patients with schizophrenia was negatively associated with greater perceived familial criticism and positively associated with better family cohesion and higher patient insight. In patients with a history of suicide attempts, family adaptability and cohesion were significantly low.
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