건설 프로젝트 데이터 특성을 반영한 기준생산성 산정 방법

김은서,김준영,주선우,안창범,박문서,Kim Eunseo,Kim Junyoung,Joo Seonu,Ahn Changbum,Park Moonseo 한국건설관리학회 2023 한국건설관리학회 논문집 Vol.24 No.3

This research examines the need for a quantitative and objective method of calculating baseline productivity in the construction industry, which is known for its high volatility in performance and productivity. The existing literature's baseline productivity calculation methods rely heavily on subjective criteria, limiting their effectiveness. Additionally, data collection methods such as the "Five-minute Rating" are costly and time-consuming, making it challenging to collect detailed data at construction sites. To address these issues, this study proposes an objective baseline calculation method using unimpacted productivity BP, a work check sheet to systematically record detailed data, and a data collection and utilization process that minimizes cost and time requirements. This paper also suggests using unimpacted productivity BP and comparative analysis to address the objectivity and reliability issues of existing baseline productivity calculation methods.

High-Performance porous Carbon Electrodes for Electric Double Layer Capacitors Using Fluorinated Polyimide and Zeolitic Imidazolate Framework

김은서,김성곤 한국공업화학회 2023 한국공업화학회 연구논문 초록집 Vol.2023 No.0

대구지역 대학생의 탄산음료 섭취에 따른 체구성성분 및 피부건강상태

김은서,김옥이,박민지,정윤정 동아시아식생활학회 2019 동아시아식생활학회 학술발표대회논문집 Vol.2019 No.10

최치원의 사산비명(四山碑銘)에 나타난 불교 인식

김은서 한국불교사학회 한국불교사연구소 2023 한국불교사연구 Vol.24 No.-

This paper examined Choi Chi-won's perception of Buddhism, focusing on Sasanbimyeong (四山碑銘). Choi Chi-won's perception of Buddhism shown in Sasanbimyeong can be largely divided into a comparative perception with Confucianism outside of Buddhism and an understanding of the relationship between Seon (禪) and Gyo (敎) within Buddhism. And Choi Chi-won's perception of Buddhism changes over time as he completes each inscription. Initially, Choi Chi-won viewed Buddhism and Confucianism as equals and emphasized that their teachings are not different from each other. Then he gradually began to give priority to Buddhism and eventually tried to integrate Confucianism into Buddhism. In other words, Choi Chi-won perceived that Buddhism and Confucianism were the same in terms of their teachings, but that ultimately Buddhism was superior to Confucianism. Meanwhile, within Buddhism, he understood the relationship between Seon and Gyo from the Buddhist perspective of dependent arising (緣起). In the early inscription of Sasanbimyeong, Seon was considered more essential than Gyo, but afterwards, he understood the relationship between Seon and Gyo as a systemic interdependent relationship and said that Seon and Gyo are not different from each other ultimately. In conclusion, Choi Chi-won's Sasanbimyeong reveals a comparative perception of Buddhism with Confucianism, which gives priority to Buddhism, and an understanding of the interdependent relationship between Seon and Gyo, which states that they are not different from each other. Choi Chi-won's perception of Buddhism shown in Sasanbimyeong is of great value in that it serves as a starting point for his writings on Buddhism throughout his life.

청소년이 인식한 사회경제적 수준과 정신건강 : 사회적 위축의 매개효과

김은서,정슬기 알코올과 건강행동학회 2019 알코올과 건강행동연구 Vol.20 No.2

Objectives: Life satisfaction among Korean youths is the lowest among OECD countries, and the rate of perceived stress, depression, and suicidal thoughts have been increasing steadily since 2015. The general framework for the discussion of mental health problems has been psychological rather than sociological. The purpose of this study is to understand adolescent mental health from a social perspective by examining the effect of perceived socioeconomic status on depression, and examine the mediating role of social withdrawal in the relationship. Methods: The study sample included 1,671 adolescents from the 7th wave of the Korea Child and Youth Panel Survey (KCYPS). The main variables investigated were perceived socioeconomic status, social withdrawal, and depression. Results: Results showed that the lower the perceived socioeconomic status, the higher the level of depression. Lower perceived socioeconomic status increased the level of social withdrawal, and the social withdrawal was found to have a partial mediating effect on the relationship between socioeconomic status and depression. Conclusions: Findings indicates that the perceived socioeconomic status that reflects social rank and relative deprivation has influence on adolescents’ social withdrawal and depression. The study speaks to the importance of social determinants of mental health, and has implications for changing the environment in order to improve the mental health of adolescents.

『삼국유사(三國遺事)』에 나타난 불전(佛典) 유통 내력

김은서 사단법인한국교수불자연합회 2023 한국교수불자연합학회지 Vol.29 No.2

본고에서는 『삼국유사』에 언급된 경전과 논소 등의 불전을 전수조사하여 목록화하고 불전의 언급 및 인용 방식을 분류하였다. 더불어 그 맥락과 내용을 검토하여 『삼국유사』에 나타난 불전 유통 내력을 정리하였다. 그 결과, 21가지 경전이 68번 언급되었고, 21가지 논소가 28번 언급되어, 총 42가지 불전이 96번 언급되어 있음을 확인했다. 불전의 언급 방식으로는 단순히 경명만을 언급한 경우와 경문을 인용한 경우로 구분할 수 있는데, 경문의 내용을 인용한 것은 총 10회이다. 불전 유통 방식으로는 외국의 사신이나 유학승 등에 의해 불전이 유입된 내용 총 13회, 강론 내력 총 20회, 더불어 8종의 저술이 언급되어 있으며, 또한 수학 내력과 관련하여 불전이나 그 구체적인 내용이 언급된 경우는 총 5회이다. 일연은 수많은 불전에 대한 이해를 토대로 선별한 불전 중 필요한 내용만을 요약 및 발췌하여 인용하였으며, 불전을 유입시키거나, 강론하거나, 저술, 또는 수학하는 법시(法施)의 신행 내용을 통해 보살행을 실천할 것을 권하고자 했던 것으로 보인다. 이상과 같이 『삼국유사』에 언급된 불전들을 목록화하고, 삼국 내에서의 불전의 유통 내력을 살펴보았다. 어느 시기에 어떤 불전이 삼국에 유통되었는가는 곧 고대 한국 불교의 교학 발전사와 연결된다. 그런 의미에서 본 연구는 당시 교학의 유행과 발전을 파악하는 단초가 될 수 있을 것이라 기대한다.

Microbial electrosynthesis using bio-cathode of PANI/GF improves acetate production and start-up time

김은서,김민수,리수웨이,김중래 한국공업화학회 2022 한국공업화학회 연구논문 초록집 Vol.2022 No.-

인공지능 기술의 식품 R&D 적용 동향

김은서 한국식품영양과학회 2022 식품산업과 영양 Vol.27 No.2

Identifying Anti-cancer Effects and Exploring the Mechanism of an MPS1/TTK Inhibitor in Gastric Cancer

김은서,권우선,김태수,황지현,김성환,라선영 대한암학회 2025 Cancer Research and Treatment Vol.57 No.3

Purpose This study aimed to identify the anti-cancer effect and investigate the underlying mechanism of MPS1/TTK (monopolar spindle 1; also known as threonine tyrosine kinase) inhibitor in gastric cancer (GC) cell lines. Materials and Methods This study used compound-9, a highly selective MPS1/TTK inhibitor, to evaluate its anti-cancer effects on GC cell lines. Cell viability assay was performed to determine sensitivity to the inhibitor. Cell cycle analysis and apoptosis assays were performed using Flow cytometry to evaluate the effects of the inhibitor. Protein-expression levels were analyzed through western blotting after the inhibitor treatment. Results The Epstein-Barr virus and microsatellite-instable–high groups tended to be sensitive to the inhibitor, while the genomically stable (GS)–likely group tended to be moderate-to-resistant. In contrast, the chromosomal instability (CIN)–likely group was extremely sensitive or resistant. Within the CIN group, TP53WT cell lines were sensitive, whereas TP53MUT cell lines were sensitive or resistant. Upon treatment of the inhibitor, the TP53WT-sensitive cell line underwent cell death more rapidly compared to the TP53MUT-sensitive cell line. In contrast, the TP53MUT-sensitive cell experienced higher levels of aneuploidy or polyploidy and underwent cell death at later time point than the TP53WT-sensitive cell line. The TP53MUT-resistant line can tolerate aneuploidy or polyploidy and exhibits drug resistance. Conclusion Our study explores the potential of an MPS1/TTK inhibitor, compound-9, as a targeted therapy in GC cells and investigates its mechanism of action.

Calcium-alginate microparticles for sustained release of catechin prepared via an emulsion gelation technique

김은서,이지수,이현규 한국식품과학회 2016 Food Science and Biotechnology Vol.25 No.5

Catechin-loaded Ca-alginate beads and microparticles were prepared by an emulsion gelation method using sunflower oil for efficient sustained release of catechin. The emulsion was prepared by sequential mixing of alginate, oil, and oleic acid ester as an emulsifier. Encapsulation efficiency (EE) and inhibition of catechin release of the beads were significantly increased approximately to 453.83 and 148.71% by the emulsion gelation technique, respectively (p<0.05). For the microparticles, the highest inhibition of catechin release after 1 h of incubation (78.82%) was observed at the microparticles prepared by 5% (w/w) oil, 3% (w/w) alginate, 4% (w/v) CaCl2, and 200 mg catechin with the most hydrophilic emulsifier, decaglycerol mono-ester. Moreover, the catechin release was sustained at acidic conditions and increased with increase in pH of release medium. These results suggest that catechin encapsulation within Ca-alginate particles by emulsion gelation method can be an effective delivery system for catechin.