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사무직 근로자의 수면의 질 및 직무스트레스와 우울과의 관련성
강미나,강수영,권수정,김현주,배재원,이보연,이예진,임의롬,정다영,조한솔 이화여자대학교 간호과학대학 2013 이화간호학회지 Vol.- No.47
Purpose: The purpose of this study was to understand the degree of depression, sleep quality, job stress and their association among office workers. Method: A self-administered questionnaire was distributed to 147 workers employed in 5 big enterprises, and 5 small and medium enterprises from October 21 to November 21, 2012. The questionnaires included socio-demographic and health-related characteristics, job-related characteristics, sleep quality, job stress (KOSS) and depression (CES-D). Result: Among all subjects, 23.1% was in the depression group (21 points and over in the CES-D score). Depressive level was positively correlated with job stress and quality of sleep. The adjusted odd ratio for the effects of sleep quality and job stress on depression significantly increased in the depression group compared to that of the normal group. Multiple regression analysis revealed that the following factors of influence had combined explanatory powers on depression: BMI, life satisfaction, quality of sleep, and job stress. Conclusion: The study revealed that complicated influences were exerted on the level of depression by variable factors, as well as socio-demographic characteristics, health-related characteristics, quality of sleep, and job stress. Specifically, the level of depression was influenced by the quality of sleep and job stress.
이예영,김지은,서예은,정다연,강현주 순천향대학교 기초과학연구소 2022 순천향자연과학연구 논문집 Vol.28 No.1,2
Muscle fatigue is a symptom that decreases your muscles’ ability to perform over time. It can be associated with a state of exhaustion, often following excessive sports activity or exercise. While exercise is a common cause of muscle fatigue, this symptom can be the result of other health conditions. Muscle fatigue caused by excessive activity limits activities of daily living and difficult to maintain a stable posture. Therefore, the purpose of this study was to investigate the effect of stretching, icing, and sports massage on muscle fatigue recovery.
Metachronous Primary Carcinoid Tumor and Spindle Cell Carcinoma of the Lung
Da Hyun Kang,Choong Sik Lee,Dong Il Park,Yeon Hee Park,Se Yeon Park,Chaeuk Chung 순천향대학교 순천향의학연구소 2016 Journal of Soonchunhyang Medical Science Vol.22 No.1
Spindle cell carcinoma (SpCC) of the lung is extremely rare, with an incidence of less than 0.5% among all lung malignancies. Neuroendocrine tumors are frequently associated with secondary primary malignancies. Here, we report a case of metachronous SpCC that occurred after treatment of a primary carcinoid tumor of the lung. The SpCC mass was successfully removed by lobectomy. In immunohistochemical analyses, the tissues were positive for cytokeratin 7 and vimentin.
Kang Da-Yeon,Kim Jin-Hyun 한국화학공학회 2024 Korean Journal of Chemical Engineering Vol.41 No.1
In this study, a non-chromatographic method using tandem cavitation fractional precipitation was developed for the purifi cation of high-purity paclitaxel. Paclitaxel was purifi ed with a purity of 98.8% and an overall yield of 91.1% through a three-step fractional precipitation using acetone/pentane (1:9, v/v), methanol/water (61.5:38.5, v/v), and acetone/water (1:2, v/v) systems. In addition, the precipitation characteristics and step-by-step impurity removal behaviors were observed using RP-HPLC, and the structure of the paclitaxel purifi ed by tandem cavitation fractional precipitation was identifi ed using FT-IR spectroscopy.
Da-Yeon Kang,Yong-Hark Jang,이진호,Sang-Uk Kim,오병근,최정우 한국물리학회 2009 Current Applied Physics Vol.9 No.2
We demonstrate an electrical detection technique for protein array which can be simply extended for high performance multifunctional measurements as the readout of the proposed method functions in a vertical direction. Especially, an electrical detection system using scanning tunneling microscopy (STM) was developed for the protein chip. Protein array was fabricated on gold (Au) pattern using an array machine. We utilized immunocomplexes comprising model protein, prostate specific antigen (PSA), corresponding antibody fragments, and gold nanoparticles. We could therefore quantitatively measure PSA concentrations as low as 33 fM (1 pg/mL) using periodogram analysis of the peak frequency. The proposed detection system makes it possible to measure DNA, RNA, and other kinds of antigen, and allows multiple analyses of analytes to be carried out in a nano-scale chip. We demonstrate an electrical detection technique for protein array which can be simply extended for high performance multifunctional measurements as the readout of the proposed method functions in a vertical direction. Especially, an electrical detection system using scanning tunneling microscopy (STM) was developed for the protein chip. Protein array was fabricated on gold (Au) pattern using an array machine. We utilized immunocomplexes comprising model protein, prostate specific antigen (PSA), corresponding antibody fragments, and gold nanoparticles. We could therefore quantitatively measure PSA concentrations as low as 33 fM (1 pg/mL) using periodogram analysis of the peak frequency. The proposed detection system makes it possible to measure DNA, RNA, and other kinds of antigen, and allows multiple analyses of analytes to be carried out in a nano-scale chip.