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위장관을 침범한 Henoch-Sch o¨nlein purpura 1예
이승곤,김채규,서종옥,이호영,이호준,정회상,박유환,정춘해 朝鮮大學校 附設 醫學硏究所 1996 The Medical Journal of Chosun University Vol.21 No.2
Henoch-Scho¨nlein purpura(H-S purpura) is a systemic necrotizing vasculitis of small vessels that is characterized by nonthrombocytopenic palpable purpura on the buttocks and extremities, arthritis of knees and ankles, glomerulonephritis, and colicky abdominal pain, histologically characterized by leukocytoclastic vasculitis. Gastrointestinal involvement with colicky abdominal pain and GI bleeding, most frequently in jejunum and ileum, occurs in above a half of all patients, but common in children. We performed GI endoscopy in a case of H-S Purpura. Gastroduodenoscopic findings showed erythemas and erosions in gastric antrum, and mucosal edema and petechiae in duodenal 2nd portion. Colonoscopic findings showed 5-10㎜ sized multiple shallow hemorrhagic ulcers in transverse and descending colons We report a case of H-S purpura involving colon with literatural review.
Lee, Jeong-Chae,Lee, Kyung-Yeol,Jung, Ha-Na,Kim, Jae-Gon,Jang, Yong-Suk Korean Society for Biochemistry and Molecular Biol 2005 Journal of biochemistry and molecular biology Vol.38 No.2
In our previous study, Soamsan, a traditional Oriental medicine, was shown to enhance the induction of antigen-specific immune responses, and it was speculated that the enhancing activity might be closely associated with glycoproteins contained within the medicine. To elucidate this speculation, protein samples from each component, used in the preparation of Soamsan, were obtained and their immune stimulating activities were tested with mouse splenocytes. All the samples markedly enhanced the lymphocyte proliferation and cytokine secretion by the mouse splenocytes. In particular, the enhancement was significantly higher with the protein sample treatments than with those of the original crude sample. Furthermore, the pronase E- and $NaIO_4$-mediated inhibition of splenocyte-stimulation activity of the protein samples clearly supported that glycoproteins are the main class of active ingredients responsible for the lymphocyte stimulating activity of the samples. Consequently, our findings suggest that glycoproteins might have a pivotal role in Soamsan-mediated immune modulation, although the in vivo effect of the glycoproteins should be further elucidated.
On Jensen-Type and Hölder-Type Inequality for Interval-Valued Choquet Integrals
Lee-Chae Jang,Jeong Gon Lee,Hyun-Mee Kim 한국지능시스템학회 2018 INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGE Vol.18 No.2
Wang (Journal of Applied Mathematics and Computing, vol. 35, no. 1-2, pp. 305-321, 2011) studied Jensen-type and Hölder-type inequality for Choquet integral. In this paper, we consider the interval-valued Choquet integral with respect to a fuzzy measure and investigate Jensen-type and Hölder-type inequality for interval-valued Choquet integrals.
Lee, Jeong-Chae,Lee, Kyung-Yeol,Jung, Ha-Na,Kim, Jae-Gon,Jang, Yong-Suk 한국생화학분자생물학회 (구 한국생화학회) 2005 BMB Reports Vol.38 No.2
In our previous study, Soamsan, a traditional Oriental medicine, was shown to enhance the induction of antigen-specific immune responses, and it was speculated that the enhancing activity might be closely associated with glycoproteins contained within the medicine. To elucidate this speculation, protein samples from each component, used in the preparation of Soamsan, were obtained and their immune stimulating activities were tested with mouse splenocytes. All the samples markedly enhanced the lymphocyte proliferation and cytokine secretion by the mouse splenocytes. In particular, the enhancement was significantly higher with the protein sample treatments than with those of the original crude sample. Furthermore, the pronase E- and NaIO₄-mediated inhibition of splenocytestimulation activity of the protein samples clearly supported that glycoproteins are the main class of active ingredients responsible for the lymphocyte stimulating activity of the samples. Consequently, our findings suggest that glycoproteins might have a pivotal role in Soamsanmediated immune modulation, although the in vivo effect of the glycoproteins should be further elucidated.
Lee, Tae-Gon,Cho, Sung-Hoon,Kim, Dae-Hyeon,Hwang, Hyun-Gyu,Lee, Ku-Tak,Hong, Chang-Hyo,Hong, Youn-Woo,Chae, Keun Hwa,Choi, Ji-Won,Kim, Jeong-Seog,Nahm, Sahn Elsevier 2019 Journal of the European Ceramic Society Vol.39 No.4
<P><B>Abstract</B></P> <P>CuO-added (1-y)(Na<SUB>0.5</SUB>K<SUB>0.5</SUB>)(Nb<SUB>1-x</SUB>Sb<SUB>x</SUB>)-yCaTiO<SUB>3</SUB> ceramics with 0.0 ≤ x ≤ 0.1 and 0.04 ≤ y ≤ 0.055 were sintered at 970 °C. Various cubic-based polymorphic-phase-boundary (PPB) structures were formed: orthorhombic-tetragonal-cubic, and tetragonal-cubic PPB structures. The crystal structure of the specimens near Curie temperature is a mixture of <I>Pm3m</I> cubic and <I>P4mm</I> tetragonal structures and these ceramics showed ferroelectric properties. A schematic phase diagram of these ceramics has been suggested. The piezoelectric properties of these specimens were influenced by their crystal structure. All the specimens are expected to have good fatigue properties. In particular, the specimen with a tetragonal-cubic PPB structure (x = 0.04 and y = 0.045) has a large <I>d<SUB>33</SUB> </I> of 338 pC/N and a high strain of 0.17% at 4.5 kV/mm. This specimen has good temperature stability; a <I>d<SUB>33</SUB> </I> value of 300 pC/N and strain of approximately 0.12% were obtained at 175 °C, indicating that this specimen is a good candidate for use as a piezoelectric multilayer actuator.</P>
On Jensen-Type and Hölder-Type Inequality for Interval-Valued Choquet Integrals
Jang, Lee-Chae,Lee, Jeong Gon,Kim, Hyun-Mee Korean Institute of Intelligent Systems 2018 INTERNATIONAL JOURNAL of FUZZY LOGIC and INTELLIGE Vol.18 No.2
Wang (Journal of Applied Mathematics and Computing, vol. 35, no. 1-2, pp. 305-321, 2011) studied Jensen-type and $H{\ddot{o}}lder$-type inequality for Choquet integral. In this paper, we consider the interval-valued Choquet integral with respect to a fuzzy measure and investigate Jensen-type and $H{\ddot{o}}lder$-type inequality for interval-valued Choquet integrals.
항공 영상의 자동 표적 탐색을 위한 DWIT와 CF 기법
유채곤(Chae Gon Yoo),이성환(Sung Hwan Lee),이원호(Won Ho Lee),황치정(Chi Jung Hwang) 한국정보과학회 1998 한국정보과학회 학술발표논문집 Vol.25 No.2Ⅱ
항공영상이나 위성영상을 이용하는 원격 감지 기술(Remote Sensing)은 무인 비행, 지리 정보 시스템(GIS) 그리고 도시 계획에 이용되고 있다. 원격 감지 기술과 함께 사용될 수 있는 또 하나의 기술로는 자동 표적 탐색 기술이 있으며 현재 많은 연구가 진행되고 있으나, 대부분 특징적인 시험용 영상에만 적용되고 있어서 항공 영상과 같이 복잡하고 불규칙적인 경우에는 적용이 어렵다. 본 논문에서는 Distance Weighted Intensity Transformation (DWIT)와 Coefficients Filtering(CF) 방법을 이용하여 영상의 이동, 회전, 배경에 불변적인 항공 영상 표적 탐색 기법을 제안한다.