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이기원,박선화,김영유,안은준 公州大學校 基礎科學硏究所 2004 自然科學硏究 Vol.11 No.-
본 연구에서는 다공질규소의 온도를 상온에서부터 10K까지 감소시키면서 PL스펙트럼을 측정하여 PL의 온도의존성을 관찰하였다. 그 결과를 Lee가 제안한 세 가지 발광원인에 대한 에너지띠구조 모형을 도입하여 해석하였다. 그 결과 다공질규소 PL의 온도의존성은 Lee가 제안한 세 가지 발광원인이 규소화합물에 의한 발광, 계면에서의 발광, 양자구속효과에 의한 발광이라고 할 때 만족하게 설명되었다. In this research, we investigated temperature dependence of photoluminescence characteristics of porous silicon in temperature ranges from room temperature to 10K. the results, we analyzed it introduce electronic band structures suggest by Lee et al. It is about that three different luminescence origins. From results, we found that temperature dependence of porous silicon photoluminescence were explained properly when electronic band structure of three different luminescence origins is based on the chemical model and the interface region model and the quantum confinement model.
송재훈,정기석,강문원,김도진,배현주,서지영,심태선,안중현,안철민,우준희,이남용,이동건,이미숙,이상무,이영선,이혁민,정두련,지역사회획득 폐렴 치료지침 제정위원회 대한감염학회 2009 감염과 화학요법 Vol.41 No.3
A successful therapy of community-acquired pneumonia requires appropriate empirical antimicrobial therapy. Etiology and antimicrobial susceptibility of major pathogens of pneumonia can differ by country. Therefore, an ideal treatment guideline of community-acquired pneumonia should be based on the studies performed in each country. We developed a treatment guideline for community-acquired pneumonia in immunocompetent adults in Korea. This guideline was developed by the joint committee of the Korean Society for Chemotherapy, the Korean Society of Infectious Diseases, and the Korean Academy of Tuberculosis and Respiratory diseases.
한의진단명과 진단요건의 표준화 연구 III : 3차년도 연구결과 보고
최선미,양기상,최승훈,박경모,박종현,심범상,김성우,노석선,이인선,정진홍,이진용,김달래,임형호,김윤범,박성식,송태원,김종우,이승기,최윤정,신순식 한국한의학연구원 1997 한국한의학연구원논문집 Vol.3 No.1
The diagnostic requirements were suggested and explained regarding the systems of differentiation of symptoms and signs in the third year study of standardization and unification of the terms and conditions used for diagnosis in oriental medicine. The systems were as follows : - analyzing and differentiating of epidemic febrile disease - analyzing and differentiating in accordance with the Sasang constitution medicine based on four-type recognition - differentiation of disease according to pathological changes of Chong and Ren channels - standards for diagnosis of women's disease - standards for diagnosis of children's disease - standards for diagnosis of motor and sensor disturbance (-muscle. born, joint, etc.) - standards for diagnosis of neuropsychiatric disease - standards for diagnosis of five sense organ disease - standards for diagnosis of external disease The indivisual diagnosis pattern was arranged by the diagnostic requirements in the following order : another name, notion of diagnosis pattern, index of differentiation of symptoms and signs, the main point of diagnosis, analysis of diagnosis pattern, discrimination of diagnosis pattern, prognosis, a way of curing a disease, prescription, herbs in common use, disease appearing the diagnosis pattern, documents. The standards for diagnosis of each disease was arranged by the diagnostic requirements in the following order : another name, notion of disease, the main point of diagnosis, analyzing and differentiating of disease, analysis of disease, discrimination of disease, prognosis, a way of curing and prescription of disease, disease in western medicine appearing the disease in oriental medicine, documents.
Seon‑A Jang,Seung Namkoong,이성률,Jin Woo Lee,Yuna Park,Gyeongseop So,Sung Hyeok Kim,Mi‑Ja Kim,Ki‑Hyo Jang,Alberto P. Avolio,Sumudu V. S. Gangoda,Hyun Jung Koo,Myung Kyum Kim,Se Chan Kang,Eun‑Hwa Sohn 대한독성 유전단백체 학회 2020 Molecular & cellular toxicology Vol.16 No.1
Background Excessive intake of fat, one of the causes of obesity, is associated with low-grade infammation in various susceptible organs and eventually causes tissue toxicity. This study examines the multifaceted suppressive efects of Korean red ginseng extract (KRG) on high-fat diet (HFD)-induced lipotoxicity and infammatory responses in the aorta, liver, and brain. Methods Male C57BL/6 mice were fed HFD with or without KRG for 12 weeks. The improvement efect in KRG on lipotoxicity and infammatory potential was determined in the blood and the aorta, liver, and brain tissues. Results KRG signifcantly inhibited 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase activity by >20% in vitro. KRG supplementation suppressed HFD-associated body weight gain, lipid profle changes, and excessive fat deposition in the liver and increased leptin, insulin, and ALT levels in the blood. Infammatory markers in the aorta, liver, and brain were also signifcantly reduced by KRG treatment. In microvascular endothelial cells, the 15% cyclic stretch-mediated upregulation of ICAM-1 and vascular cell adhesion protein-1 (VCAM-1) expression was signifcantly attenuated in the presence of KRG. Conclusion KRG supplementation attenuates HFD-mediated body weight gain, lipid profle changes, and multi-tissue infammatory responses.
李基善 충남대학교 1985 忠南科學硏究誌 Vol.12 No.2
Diesel generators(DG) have been widely used as power system for remote rural communities and islands where the grid power is inaccessible. However, a recent trend is that, as the price of solar cell continues to go down, photovoltaic(PV) power system is getting more cost-competitive with diesel power system. This paper deals with systems that can be replaced with the conventional diesel power system such as PV, PV-DG hybrid and the modified version of a diesel generator system. System designs are made and economics is compared under the same load conditions. PV system is superior in reliability and operational conveniency but the main drawback is its high initial cost. PV-DG hybrid system is considered in that it can reduce such cost compared with PV system with the use of an inconvenient diesel generator as a back-up to a smaller PV generator to the extent that it can take maximum advantage of PV power generation rather than economic merits. Modified DG system is designed with added use of storage batteries that will enable to supply power for 24 hours a day for the purpose of mutual comparison with other types of power systems.
이철희,하영기,서선학 江原大學校 産業技術硏究所 1997 産業技術硏究 Vol.17 No.-
In this paper, a new approach to modeling of nonlinear systems using fuzzy theory is presented. To express the various and complex behavior of nonlinear system, we combine multiple model method with hierachical prioritized structure, and the mountain clustering technique is used in partitioning of system. TSK rule structure is adopted to form the fuzzy rules, and Back propagation algorithm is used for learning parameters in consequent parts of the rules. Also we soften the paradigm of Mamdani's inference mechanism by using Yager's S-OWA operators. Computer simulations are performed to verify the effectiveness of the proposed method.
만성 정신분열증 환자에 있어 Clozapine 투여에 의한 비정형적 Prolactin반응
이홍식,김찬형,기선완 대한신경정신의학회 1994 신경정신의학 Vol.33 No.3
Objects : Typical antipsychotic drugs robustily increase prolactin both in rodents and in man. Unlike in rodents, Meltzer(1989) found that acutely administered clozapine did not increases serum prolactin levels in schizophrenia and his preliminary data suggested that prolactin levels might even be reduced during clozapine treatment. Methods : We investigated the serum prolactin levels in chronic schizophrenics, who were assigned to clozapine(N=28) or haloperidol(N=20) for eight weeks. Blood samples were obtained biweekly during the study period, and serum prolactin concentrations were measured by standard double-antibody radioimmunoassay. Results : The serum prolactin levels were not changed in the schizophrenic patients to whom clozapine had been administrated, otherwise marked increases in serum prolactin level were observed in the haloperidol treatment group. Conclusion : Our results suggest that clozapine differs from typical antipsychotics(e.g., haloperidol) in its failure to produce serum prolactin elevation in schizophrenic patients.
이종섭,기선완 대한생물치료정신의학회 2001 생물치료정신의학 Vol.7 No.1
The author reviewed pharmacotherapy for obsessive compulsive disorder. Serotonin reuptake inhibitors (SRIs) and The tricyclic antidepressant clomipramine are the first line therapies for patients with obsessive compulsive disorder (OCD), with the side-effect profile of selective SRIs (SSRIs) being more favorable than clomipramine. As many as 40% to 60% of patients with OCD may not response to adequate trials of SRIs. Not all patients tolerate SSRIs, and delay in full therapeutic responses often occur. Thus, other pharmacological approaches to treating patients with OCD have been investigated. Augmentation and monotherapy have been explored with serotonergic enhancers, dopamine and 5-HT antagonists , enhancers of second -messenger systems, and GABAergic agents with varying efficacy.