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고등학교 무용전공생들이 인식하는 무용지도자 리더십유형이 전공 수업 만족도에 미치는 영향
류선아,김성훈 대구경북체육학회 2018 체육연구 Vol.14 No.1
This student majoring in dance-oriented study researches the effects of dance instructors' leadership on the major course satisfaction of the students, and it aims to seek the various efficient methods of courses. Therefore, it analyzed 205 high school dance performing students, This study applied to frequency analysis, one-way ANOVA, and multiple regression analysis in the methods of data analysis. The results of the study are as follows. First, in the differences between the students' grades, experiences, and their leadership types by major, there was no significant difference from all the leadership types of dance instructors. Second, the satisfaction of the class showed that the modern dance group was more satisfied. Also, the first grade group was found to be more satisfied with the teaching facilities than the other upper grade group. Third, transactional and transformational leaderships made crucial effects on the entire course satisfaction. In the degree of positive effects on the entire course satisfaction, in the sequence of transactional and transformational leaderships made impacts, and transactional leadership preferentially needs to be strengthened for the improvement of the entire course satisfaction.
류선,구성태,하기태,김승태 한국통합생물학회 2016 Animal cells and systems Vol.20 No.6
Background: Korean Red Ginseng (KRG) is a valuable herb in Asian countries that is used as a crude substance to inhibit inflammation and to enhance vitality, longevity and immunity. The protective effects of KRG against the toxicity of 1-methyl-4-phenylpyridinium (MPP+) were investigated in vitro in the present study. Methods: PC12 cells were pretreated with the water extract of KRG for 24 h, then incubated with MPP+ for 24 h. The growth of the cells was assessed using a live cell viability assay, the ratio of apoptotic cells was measured using flow cytometry and morphology of the apoptotic cells was detected using terminal deoxynucleotidyl transferase-mediated deoxyuridine triphosphate nickend labeling (TUNEL) staining. The expressions of caspase-3 and -9 were measured by quantitative real-time PCR. Results: Pretreatment of the KRG extract increased cell viability significantly when compared with that of only MPP+-treated cells (p < .01). KRG-pretreated cells revealed reductions of Annexin V-FITC and propidium iodide double staining cells (p < .01), TUNEL-positive cells (p < .01), and caspase-3 and -9 activities (p < .01) when compared with only MPP+-treated cells. Conclusion: These results indicate that KRG treatment suppresses MPP+-induced apoptosis in PC12 cells by regulating caspase cascades, suggesting a possible role for KRG in the prevention and treatment of Parkinson’s disease.
서비스 구성요소가 고객 만족도 및 재방문에 미치는 영향 -부산지역 미용실 소비자를 대상으로-
류선이 ( Sun Yi Ryu ),박옥련 ( Ok Lyun Park ) 한국미용학회 2009 한국미용학회지 Vol.15 No.4
This study analyzed the effect that service quality, display, and the use of information source of the clients have on consumer satisfaction and revisit. The results are as follows: it appeared that service quality factor, display factor, and the use of information source factor as independent variables had high explanation and significant effect on consumer satisfaction and revisit as dependent variables. It appeared that human service out of the service qualities had the highest effect on consumer satisfaction. And it appeared that technical service had the highest effect on revisit. First of all, atmosphere out of the display factors had high effect on consumer satisfaction and revisit, and had the second effect on the plan of lighting. It appeared that the use of information source out of human information had the highest effect on consumer satisfaction and revisit. Also it was analyzed that consumer satisfaction had high explanation and significant effect on revisit. This study intend to provide the management of beauty shop with useful information on the basis of the results above.
Alcohol+iso-Octane 혼합계의 등온 기액평형과 공비점
류선아,오종혁,나재익,백승관,한규진,박소진 忠南大學校 産業技術硏究所 1997 산업기술연구논문집 Vol.12 No.1
Isothermal vapor-liquid equilibria(VLE) for binary systems of C₂∼C₄ alcohol+iso-octane were measured by headspace gas chromatography(HSGC) at 60℃. All the binary mixtures showed the positive deviation from the Raoult's law and homogeneous minimum azeotropes. VLE data were correlated by common ge models and compared with calculated values by modified UNFAC group contribution method. Their mean deviations of vapor phase composition were less than 1%. Precise azeotropic concentrations were also measured directly by spining band distillator for each binary systems.
미용실 소비자의 라이프스타일에 따른 서비스품질 디스플레이, 정보원활용에 대한 상관관계
류선이(Ryu Sun Yi),박옥련(Park Ok Lyun) 한국인체예술학회 2009 한국인체미용예술학회지 Vol.10 No.1
The objectives of the study were to analyze the factors of Lifestyle, service quality, display, utilization of informants; to examine the correlation between life style and service quality, between lifestyle and display, and between display and the source of information. Customer's various lifestyles were classified as price-oriented, trend oriented, brand oriented, convenience oriented, appearance oriented. This classification was meaningful and showed high level of reliability. Significant correlation between the lifestyle and service quality was found specially in appearance oriented customers. It was also found that the correlation between lifestyle and display is significant in appearance oriented customers. The correlation analysis between the display and utilization of informants showed that there was significant correlation in personal service, external/internal service, technical service, after service under human resource information factor. I hope the above mentioned findings of the study would be utilized for providing information for beauty shop customers
류선,김현근,김주연,김성윤,조경옥 한국식품영양과학회 2018 Journal of medicinal food Vol.21 No.2
Versatile biological activities of Hericium erinaceus (HE) have been reported in many brain diseases. However, roles of HE in major psychiatric disorders such as depression and anxiety remain to be investigated. Therefore, we evaluated whether HE could reduce anxiety and depressive behaviors in the adult mouse and its underlying mechanisms. Male C57BL/6 mice were administered HE (20 or 60 mg/kg, p.o.) or saline once a day for 4 weeks. Open field and tail suspension tests were performed 30 min after the last administration of HE, followed by forced swim test 2 days later. We found that chronic administration of HE showed anxiolytic and antidepressant-like effects. To elucidate possible mechanisms, proliferative activity of the hippocampal progenitor cells was assessed by immunohistochemistry of proliferating cell nuclear antigen (PCNA) and Ki67. Moreover, to evaluate neuronal survival in the dentate gyrus, 5-bromo-2′-deoxyuridine (BrdU) (120 mg/kg, i.p.) was given at the first day of HE administration, followed by isolation of the brains 4 weeks later. HE (60 mg/kg) increased the number of PCNA- and Ki67-positive cells in the subgranular zone of the hippocampus, indicating increased proliferation of hippocampal progenitors. In addition, BrdU- and BrdU/NeuN-positive cells in the dentate gyrus were significantly increased when treated with HE (60 mg/kg) compared with the saline-treated group, demonstrating enhanced neurogenesis by HE treatment. Taken together, the results indicate that chronic HE administration can exert anxiolytic and antidepressant-like effects, possibly by enhancing adult hippocampal neurogenesis.