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부유대역 용융응고법으로 제조된 YBa_2Cu_3O_x 산화물초전도체의 미세구조와 전기적 특성
노태형,송정환,장규철,한이섭,김소정,구본급,김호기 대전산업대학교 반도체기술연구소 2000 半導體技術硏究所報 Vol.2 No.-
The YBa_2Cu_3O_x-20 wt% Y_2BaCuO_5 composition designed in YBCO system was synthesized by solid state reaction method. The optimum condition of hot zone temperature and growth rate in floating-zone melt were 1080 ℃ and 2.5 mm/hour, respectively. In samples growth as these condition, the low angel boundaries in grain direction and small amount of amorphous phase known as decreasing characteristics of superconducting materials between grain boundaries in microstructure are investigated by polarized light microscopy on the whole. The critical current density(Jc) at 77k of sample using powder fabricated with no CeO_2 and doped 5 wt%CeO_2 were 8,000 A/㎠(Jc : 561A) and 12,000 A/㎠(Jc: 826A) at 0 T by direct current transport method, respectively.
임부의 연령에 따른 보완대체요법에 관한 인식 태도 경험 비교 연구
김연진,김지연,노경민,신혜리,유예지,이지민,장희조,정아인,최소정,강숙정,이향연,민혜영 이화여자대학교 간호과학대학 2016 이화간호학회지 Vol.- No.50
Purpose: This study aims to test if the age of pregnant women affects the perception, experience, and attitude towards complementary alternative therapy (CAT), by investigating the perception, experience, and attitude of pregnant women under the age of 35, and above 35 (Advanced Maternal Age). The study will 1) find the general characteristics of pregnant women under and over the age of 35 2) compare the perception, behavior, and experience of pregnant women under and over the age of 35, and 3) find the comparison of the perception, behavior, and experience according to the general characteristics of pregnant women under and over the age of 35. Method: The subjects of this study are composed of 44 women under the age of 35 and 44 women above the age of 35, totaling 88 pregnant women visiting midwiferies, obstetrics and gynecology, and baby fairs in Seoul and Gyeong-Gi area. Data for this study was collected from November 28, 2015 to January 6, 2016 for 40 days. The collected data analyzed mean, standard deviation, t test, ANOVA, and chi-square by using SPSS 23.0. Result Results show that there is a significant difference in the perception, attitude, and experience of the two-sample groups in the use of CAT. The question of “what is most necessary when applying CAT in a hospital clinical environment” for the perception criteria came out with the results of t=9.980, p<.05. For the attitude, results showed that the answers of pregnant women under the age of 35 displayed a more positive attitude towards CAT. (t=2.421, p<.05) Lastly, in the experience section, pregnant women under the age of 35 showed more CAT use than the other sample group. Conclusion Results have shown that there is a difference in the perception, behavior, and experience between the two sample groups. Therefore further research on the efficacy and the adverse effects of CAT needs to be done.
Increased Expression of Histone Deacetylase 2 is Found in Human Hepatocellular Carcinoma
Noh, Ji-Heon,Eun, Jung-Woo,Ryu, So-Yeon,Jeong, Kwang-Wha,Kim, Jung-Kyu,Lee, Sug-Hyung,Park, Won-Sang,Yoo, Nam-Jin,Lee, Jung-Young,Nam, Suk-Woo The Korean Society of Toxicogenomics and Toxicopro 2006 Molecular & cellular toxicology Vol.2 No.3
Accumulated evidences have established that aberrant regulation of histone deacetylases (HDACs) is one of major causes for development of human malignancies. Mammalian HDACs can be divided into three subclasses consisting of 11 homologous of HDACs and 7 of sirtuins, but little is known about HDAC2 causes for carcinogenesis in solid tumors. Here, in order to investigate the roles of HDAC2 in carcinogenesis of liver cancer progression, we analyzed the expression of HDAC2 in 62 human hepatocellular carcinomas by utilizing Immunohistochemistry. Moderate to strong expression of HDAC2 was found in 54 (87%) out of total 62 tumors. The majority of positive tumors were detected in nucleous, but normal hepatocytes did not express of HDAC2 or showed weak positive staining. Interestingly, we were also noted that HDAC2 expression was appeared to be associated with aggressiveness of the tumors by the fact that HDAC2 expression was observed with significances in high grade tumors (Edmonson grade II, III). Taken together, we found the aberrant expression of HDAC2 in hepatocellular carcinomas, and this suggests that HDAC2 may play an important role in the development of liver cancer.
일부 만성 중증 정신질환자의 약물 복용에 따른 구강건조 증상과 자극성 타액분비율
문소정 ( So Jung Mun ),서혜연 ( Hye Yeon Seo ),전현선 ( Hyun Sun Jeon ),백지현 ( Ji Hyun Baek ),노희진 ( Hie Jin Noh ),정원균 ( Won Gyun Chung ) 한국치위생학회(구 한국치위생교육학회) 2014 한국치위생학회지 Vol.14 No.3
Objectives : The purpose of the study is to investigate the xerostomia in the chronic severe psychiatric patients in Korea because there were few reports on xerostomia in the psychiatric patients. Methods : The subjects were 61 psychiatric patients in the mental hospital by convenience cluster sampling. A self-reported symptom questionnaire was filled out by the three researchers on the basis of medical records by the informed consent. The stimulated salivary flow rate of the patients was measured by saliva sampling. Results : The subjects consisted of 45.9% of male and 54.1% of female. High school graduation accounted for 40.0% and 20.0% did not attend the school. The majority of the patients were medicaid recipients. Schizophrenia accounted for 86.9% and most patients were long term care recipients. A total of 68.9% of the patients suffered from salivary dysfunction. The medication in schizophrenia seemed to decrease the stimulated salivary flow rate and made the patients difficult in chewing and swallowing due to xerostomia and low saliva secretion(p<0.05). Conclusions : Medication in schizophrenic patients caused the salivary dysfunction. So the collaboration between the psychiatry doctors and dental hygienists is very important to improve the salivary secretion in the schizophrenic patients. The continuous and long term care of the xerostomia will help the patients maintain the good oral hygiene.
간호대학생의 메타인지, 학습동기, 학업적 자기효능감이 자기주도학습능력에 미치는 영향
김소희(So Hee Kim), 이정민(Jung Min Lee), 김민경(Min Gyeong Kim), 김수아(Su Ah Kim), 김주은(Ju Eun Kim), 노윤서(Yun Seo Noh), 송지민(Ji Min Song), 이다원(Da Won Lee), 이소희(So Hee Lee) 다문화건강학회 2023 다문화건강학회지 Vol.13 No.1
Purpose: This study sought to identify the influence of metacognition, learning motivation, and academic self-efficacy on the self-directed learning ability of nursing students. Methods: A descriptive study design was used, and data were collected using self-reported questionnaires from 194 nursing students. Statistical analyses, including independent t-test, one-way ANOVA, Pearson's correlation, and multiple regression analysis, were performed using SPSS 26.0. Results: Metacognition, learning motivation, and academic self-efficacy significantly predicted nursing students' self-directed learning ability, accounting for 66.3% of the variance. Conclusion: Interventions to improve the self-directed learning ability of nursing students should focus on enhancing metacognition, learning motivation, and academic self-efficacy.
박재정 ( Jae Jung Park ),정성애 ( Sung Ae Jung ),노영욱 ( Young Wook Noh ),김고흔 ( Go Heun Kim ),허현미 ( Hyun Mi Heo ),배서은 ( Suh Eun Bae ),최윤정 ( Yun Jung Choi ),김소이 ( So I Kim ),이명원 ( Myung Won Lee ),강민정 ( Min Jun 대한장연구학회 2009 Intestinal Research Vol.7 No.1
Background/Aims: Primary epiploic appendagitis (PEA) is a rare cause of focal abdominal pain in otherwise healthy patients. Patients with acute abdominal pain are often misdiagnosed clinically as acute appendicitis or diverticulitis. The purpose of this study was to describe the clinical presentation and characteristic computed tomography (CT) findings of PEA. Methods: We reviewed the clinical records and CT images of 23 consecutive patients in Korea who presented with acute abdominal pain between January 2005 and February 2009 and had radiologic signs of PEA. Results: Twenty-three patients (7 females and 16 males; average age, 42±14 years) were diagnosed with symptomatic PEA. Abdominal pain localized to the left (8 patients [44.5%]) and right (10 patients [55.5%]) lower quadrants as the leading symptom. CT findings specific for PEA were present in all patients except one. The symptoms resolved within 1 week (mean, 3.5 days) with or without antibiotic treatment. Conclusions: In patients with localized, sharp, acute abdominal pain not associated with other symptoms, such as nausea, vomiting, fever or atypical laboratory values, the diagnosis of PEA should be considered and the diagnosis confirmed by CT scan. (Intest Res 2009;7:47-51)
Noh, Minwoo,Kang, Sunah,Mok, Yeongbong,Choi, So Jung,Park, Jeongseon,Kingma, Jannick,Seo, Ji-Hun,Lee, Yan The Royal Society of Chemistry 2016 Chemical communications Vol.52 No.3
<P>The upper critical solution temperature (UCST) phase transition of halide salts of branched polyethylenimine (PEI) and methylated branched polyethylenimine (MPEI) is first reported in aqueous solutions. In particular, iodide counter-ions can introduce UCST properties in MPEI. The importance of the counter-ion composition of MPEI for UCST transition is discussed in detail.</P>
The fifty-year history of dental hygiene education in South Korea
Noh, Hie-Jin,Mun, So-Jung,Han, Sun-Young,Yang, Ji-Hye,Jung, Eun-Ha,Lee, A-Ram,Jeong, Ju-Hui,Chung, Won-Gyun Korean Society of Dental Hygiene 2019 한국치위생학회지 Vol.19 No.5
The aim of this study was to review the history of dental hygiene education in Korea on its $50^{th}$ anniversary in 2015. Internal resources and documents from the Korean Dental Hygienists' Association and other accessible resources were examined to verify the historical facts of dental hygiene education in Korea. From 1965 to 1967, the first class of four dental hygiene students graduated, and the legal basis for dental hygiene as a profession was established, which led to the start of the profession Registered Dental Hygienist in 1971. From 1977 to 1993, 13 higher educational institutions started dental hygiene programs. The Korean Dental Hygienists' Association (1977) and Korean Association of Dental Hygiene College Professors (1987) were established in this period. From 1994 to 2006, the duration of major-intensive course programs in dental hygiene was extended to three from the two years of 1994, and the first bachelor's degree program in dental hygiene started in 2002. In this period, studies on dental hygiene became significantly active owing to vigorous activities by academic societies. The master's degree program in dental hygiene was established in 2007. Academic dental hygiene journals, the Journal of Dental Hygiene Science, and Journal of Korean Academy of Dental Hygiene Education were promoted as the registered journals of the Korean Research Foundation. From 1965 to 2015, dental hygiene education in South Korea expanded both quantitatively and qualitatively and is now ready for further progress in the future.