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급성 골수성 백혈병 환자에서 발생한 침습성 아스페르길루스중에 대한 수술적치료 1 예
배영환;어원식;어상민;김승만 김태영;박수영;서영경;정은주;안효정 인제대학교 2011 仁濟醫學 Vol.32 No.-
Invasive pulmonary aspergillosis is known to have a poor prognosis and major cause of morbidity and motality in patients with hematologic disease. Without adequate therapy, invasive pulmonary aspergillosis will almost always progress to fatal pneumonia. Early administration of antifungal agents in patient with invasive pulmonary aspergillosis is most important. And surgical resection of aspergillous-infected tissue may be useful in patients with lesions that are contiguous with great vessel and lesions causing hemoptysis. We reported a rare case of surgical resection as curative treatment for invasive pulmonary aspergillosis patient in 58-year-old man who had the history of acute myeloid leukemia.
장기간 항갑상선제 투여 후 임의 중단 뒤 재복용시 발생한 무과립구증 1 예
김승만;김태영;박수영;배영환;서영경 정은주;김태균;권민정;박정현;이순희 인제대학교 2011 仁濟醫學 Vol.32 No.-
Agranulocytosis, one of the major side effects of antithyroid a gents, probably occurs in less than 0.25% of cases treated with antithyroid agents. It usually occurs within the first several weeks or months after the initiation of therapy, when drug dosage is higher. Most reported cases of agranulocytosis have occurred during the first 3 months of therapy. We describe here a rare case that did not experience the side effect for 6 years of antithyroid agent treatment but presented with agranulocytosis in one month after re-exposure. It suggests that the major side effect such as agranulocytosis can occur in patients who had undergone prior uneventful antithyroid drug therapy.
Lee, Ji Hye,Bae, Yeon Su,Kim, Su Jin,Song, Dae Woong,Park, Young Hwan,Bae, Do Gyu,Choi, Jin Hyun,Um, In Chul ELSEVIER 2018 INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES Vol.106 No.-
<P><B>Abstract</B></P> <P>Electro-spun regenerated silk webs have been extensively studied for biomedical applications because of the simplicity of their fabrication methods However, the productivity of the electro-spinning process is low for web fabrication and the mechanical properties of the electro-spun silk web are not satisfactory, which restricts its commercialization. In this study, a new silk non-woven fabric was successfully fabricated by wetting and hot press treatments using the excellent binding characteristic of sericin. The effects of the press temperature and residual sericin content on the preparation, structure, and properties of the silk non-woven fabric were examined. A press temperature of 200°C was optimum for obtaining non-woven fabrics with best mechanical properties, without yellowing. The silk non-woven fabric could not be fabricated without sericin, and a minimum of 8% sericin was required to fabricate it. As the sericin content was increased, the strength and Young’s modulus of the silk non-woven fabric increased, while the tensile elongation remained constant. Regardless of the press temperature and sericin content, all the silk non-woven fabrics showed good cell viability, comparable to that of the tissue culture plate (TCP) used as a control until 4days, which however decreased compared to that of TCP after 7days.</P>
연령대별 요추 추간판탈출증 환자의 요근과 척추주위근 단면적에 대한 분석
공덕현 ( Deok Hyun Kong ),배광호 ( Kwang Ho Bae ),고호연 ( Ho Yeon Go ),강명진 ( Myung Jin Kang ),김준수 ( Jun Su Kim ),양기영 ( Kee Young Yang ),이재훈 ( Jae Hoon Lee ),은영준 ( Young Jun Eun ) 한방재활의학과학회 2010 한방재활의학과학회지 Vol.20 No.4
Objectives :This study was designed to evaluate the correlation of the cross-sectional areas(CSA) of paraspinalis(iliocostalis lumborum, multifidus, longissimus thoracis parts lumborum) and psoas muscle and sex, age, change of the VAS(visual analogue scale) and past history of chronic low back pain in patients suffering from HIVD(herniation of intervertebral disc). Methods :Medical records of 140 subjects with HIVD were retrospectively reviewed. The MRI(magnetic resonance imaging) findings on the patients were scanned and analyzed by PiView program to find the paraspinal and psoas muscle CSA and were evaluated by the correlation of sex, age, change of the VAS, and past history of chronic low back pain. Results :There was significant difference between groups in male and female, young-adults age and middle age, middle age and old age, young-adults age and old age. But the correlation of the paraspinal and psoas muscle CSA and past history of chronic low back pain were partially significant. On the other hand, the correlation of the paraspinal and psoas muscle CSA and change of the VAS were not significant. Conclusions :These results suggest that the cross-sectional areas(CSA) of paraspinalis and psoas muscle have relevance to sex and age.
광중합형 복합레진 제조시의 압축강도에 관한 실험적 연구
배태성,추용호,채민수 大韓齒科器材學會 1995 대한치과재료학회지 Vol.22 No.2
This study was performed to elaluate the effect of matrix resins and fillers on the compressive strength of light-activated composite resins. Four different types of composites were made by mixing the inorganic fillers of armorphous spherical silica and crushed quartz with resins of BisGMA/TEGDMA and UTeMA/TEGDMA. The specimens of 3mm in diameter and 6mm in length were prepared. Compressive test was subjected to a crosshead speed of 0.5mm/min and fracture surfaces were examined by SEM. The results obtained were summarized as follows; 1. Compressive strength of the UTeMA-based composite resin with spherical filler was superior to the other composite resins(p<0.01). 2. Compressive strength of the BisGMA-based composite resins with significantly decreased after immersion in water for 7 days(p<0.05). 3. UTeMA-based composite resins showed the aspect of decrease in compressive strength after cold storage at 5℃.
배상현,손영수 조선대학교 전자정보통신연구소 2001 電子情報通信硏究所論文誌 Vol.4 No.2
Recently, nonparametric methods of curve estimation have become useful technique in applied statistics. Among the methods, nonparametric regression using various splines have been focused due to its flexibility. In this paper, we develop a classifier in classification problem using CART. Also, various classification methods are compared with the proposed method.
치수유래 구심성 신경섬유의 삼차신경 감각핵군에서의 연접특성
배용철,이은희,최민기,홍수형,김현정,남순현,김영진 대한소아치과학회 2001 大韓小兒齒科學會誌 Vol.28 No.2
일차연접부위에서 악안면 영역에서 유래하는 유해자극의 전달 및 처리기전을 이해하고자 horseradish pe개xidase를 치수지배 구심성 신경섬유를 표식한 후 연수후각에서 미세구조 및 연절 양상을 분석하여 다음과 같은 결과를 얻었다. 표식종말은 소수의 큰 치밀소포가 관찰되는 종말 (S형) 및 다수의 치밀소포를 함유하는 종말 (LDCV형)등 2종류로 분류할 수 있었다. S형 및 LDCV형 표식종말의 연접양식은 유사하였으며, 다수의 표식종말이 1개 혹은 2개의 neurofile과 연접을 이루어 대단히 단순한 연접양상을 보였다. 표식종말은 가지돌기체 보다는 다수의 가지돌기가시와 연접을 이루는 빈도가 높았다. 표식종말이 세포체 및 이에 인접한 근심부 가지돌기와 연접하는 경우는 드물었으며, 소수의 표식종말에서 p-ending과 연접하는 경우를 보였다. 표식종말의 체적, 표면적, 사립체의 체적, neurofile과 접하는 면적, 활성부위의 면적, 단위표식종말당 연접소포의 수 및 연접소포의 밀도등은 넓은 범위의 계측치를 나타내었으며, 이는 5명 및 LDCV형 표식종말 사이에 유의한 차이가 없었다. 이상의 결과로 미루어보아 연수후각에서 치수유래 구심성 신경섬유 종말의 연접양식은 고유의 특징을 보이며 이는 신경회로의 기능과 밀접한 상관관계를 가지는 것으로 판단되었다. Little is known about processing mechanism of pain sensation of the oral cavity at the 1st synapse of trigeminal sensory nuclei. Serial ultrathin sections of tooth pulp afferent terminals, identified by the transganglionic transport of 1% wheatgerm agglutinin conjugated horseradish peroxidase, were investigated wih electron microscope. Quantitative ultrastructural analysis was performed on digitizing tablet connected to Macintoshi personal computer (software: NIH Image 1.60, NIH, Bethesda, MD). Labeled boutons could be classified into two types by the shapes of containing vesicles : S bouton which contained mainly spherical vesicles (Dia. 45-55 nm) and few large dense cored vesicles (Dia. 80-120nm), and LDCV bouton, which contained spherical vesicles as well as large number of large dense coredd vesicles. Most of the parameters on the ultrastruotural characteristic and synaptic organization of labeled boutons were similar between S and LDCV boutons, except shapes of containing vesicles. Majority of the labeled boutons showed simple synaptic arrangement. The labeled bouton were frequency presynaptic to dendritic spine, and to a lesser extent, dendritic shaft. They rarely synapsed with soma and adjacent proximal dendrite. A small proportion of labeled boutons made synaptic contacts with presynaptic pleomorphic vesicless containing endings and synaptic triad. Morphometric parameters of labeled boutons including volume and surface area, total apposed area, mitochondrial volume, active zone area, vesicle number and density showed wide variation and theme were not significantly different between S and LDCV boutons. The present study revealed characteristic features on ultrastructure and synaptic connection of pulpal afferents which may involved in transmission of oral pain sensation.
배상현,한종길,손영수 朝鮮大學校 電子情報通信硏究所 2003 電子情報通信硏究所論文誌 Vol.6 No.2
제어이론의 중요한 문제는 유한시간 안에 정해진 수준의 오차 안에서 상태가 원하는 궤적을 따라 이동하도록 플렌트를 제어하는 것이다. 본 논문은 슬라이딩 섹터를 이용한 새로운 추적제어 방식을 제안하며, 슬라이딩 섹터에 라아프노프 함수를 이용하여 안정도를 분석한다. 시스템에 컴퓨터 시뮬레이션을 통하여 제안한 슬라이딩 섹터 제어가 채티링을 줄일 수 있는 것을 확인한다. A problem of major importance in control theory is that of controlling the plant in order to have the state tracking a specific reference trajectory within a prescribed level of tracking error in a finite time. In this paper, new methods of the tracking control using the sliding sector is proposed. This paper analyzes the stability, using Lyapunov function on the sliding sector. Through the computer simulations for the system, it is verified that sliding sector control is capable to reduce the chattering.
배영수 서울대학교 국제지역원 1992 국제지역연구 Vol.1 No.2
전후 미국의 자본-노동관계에 관한 최근 논쟁은 1930-70년간의 노사관계체제에 어떤 역사적 의미를 부여하는가 하는 문제에 집중되어 있다. 이 문제에 접근하는 한가지 방법은 그 체제가 수립되는 과정을 검토하고 그것이 미국 자본-노동관계의 역사에서 차지하는 위치를 규명하는 것이다. 전후 미국의 노사관계체제는 본질적으로 단체교섭과 케인즈이론의 결합으로 규정된다. 그것은 대공황과 2차대전으로 인한 경제적· 정치적 위기와 미국의 우월한 국제적 위상의 산물이라고 할 수 있다. 대공황에 처하여 비로소 자본은 단체교섭의 원칙을 용납하기 시작하였고, 노동은 이 때부터 2차대전 말까지 비약적으로 성장했으나 종전 직후 자본의 반격을 받아 세력이 위축되었다. 그리고 양자는 전후 미국의 패권 아래 조성된 유리한 국제적 여건 소에서 고임금과 고생산성을 연동시킴으로써 케인즈식 성장을 추구하는 동밥관계를 수립했던 것이다. 이 동반관계의 수립은 자본주의 경제원리와 위계적 사회질서를 둘러싸고 자본과 노동 사이에 진행되었던 오랜 갈등으로부터 담합주의적 타협으로 이행하는 과정이었다고 생각된다. The post-war U.S. capital-labor relations have recently been on debate. The debate is primarily focused on the historical significance of the relations, not on their practical mechanism, an amalgam of collective bargaining and Keynesian economic theory that took shape in the 1930-50 period. In my opinion, however, the way this mechanism was established reveals its historical significance. It was initially a series of crises that farced both capital and labor to make concessions. The Great Depression and World War II made the U.S. business community accept collective bargaining. The organized labor saw an explosive growth of its ranks, but soon after the war it had to retreat and drop its demand on curtailment of managerial prerogatives. By the late 1940s both capital and labor began to form a partnership; they came to the conclusion that a combination of high wages and high productivity would lead the U.S. economy to continuous growth and global hegemony. Therefore, the course that capital and labor took in shaping the partnership implies transition from the persistent class conflict to the post-war compromise. The compromise is a corporatist one that successfully preserved economic principles and social hierarchy fundamental to capitalism.
배상현,손영수 조선대학교 기초과학연구소 1993 自然科學硏究 Vol.16 No.1
The Expert system is a field of the artificial intellegence which enables the problem of a special territory to be solve by using model imitating an expert, that is, The Expert system is the computer system which infers a problem by using the knowledge base made up by means of inputting the knowledge of an expert. This paper designs the process of inference using forward chaining method, which to Pick up the knowledge data from knowledge base of stock analysis system.