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Lidocaine에 의한 경련이 뇌조직에서 c-fos 발현에 미치는 영향
조성범,채한정,강장숙,김형룡 원광대학교 생체재료·매식연구소 1998 원광생체재료·매식 Vol.7 No.1
Recently, a variety of stimuli including convulsion, ischemia and noxious stimuli have been shown to induce the expression of c-fos mRNA in central nervous system (CNS). In this study, c-fos expression in both mRNA and protein (Fos) levels is examined up to 72 hr in brain regions, including hippocampus, piriform cortex, neostriatum, amygdala, dentate gyrus, cerebral cortex, and thalamus during lidocaine-inducced convulsion. Intraperitoneal administration of lidocaine (120 mg/kg) induces generalized convulsion of rats within 10 min and subsequent increase of c-fos expression in both mRNA and Fos protein levels in dentate gyrus, piriform cortex, amygdala, neostriatum, cerebral cortex, hippocampus, and thalamus. A prominent induction of c-fos mRNA and Fos protein in dentate gyrus suggests that dentate gyrus plays an important role in the process of lidocaine-induced convulsion. These results suggest that c-fos may participate in plastic changes of central nervous system associated with stimuli such as seizure activity.
SOL-GEL법을 이용한 강유전체 BaTiO₃박막 및 Ceramics 제조
조채룡,이수재,장민수,김호종,정세영,노동택,김성철 동의대학교 기초과학연구소 1993 基礎科學硏究論文集 Vol.3 No.1
Concentrated solution was prepared for a sol-gel process of BaTiO₃. Barium hydroxide and Ti-isopropoxide were used as the raw materials with methanol and isopropanol as solvents. Dense ferroelectric polycrystalline BaTiO₃thin films with the perovskite structure were fabricated by spin coating of the prepared concentrated solution on a few substrates. From XRD investigation, it was confirmed that tetragonal phase of polycrystalline BaTiO₃powders are formed after heat treatment above 550℃ in air and grain-oriented BaTiO₃thin films are obtained by coating of 0.06M concentrated solution on the substrates. It was observed that surfaces of thin films deposited on the substrates by our methods were formed crack-free and uniformly. The thickness of thin film which depends the concentration of the solution was 400∼900Å for 1 time coating, which was confirmed by SEM analysis. Ceramics and thin films show dielectric constant of 4600 (at 1㎑) and capacitance 300∼800㎊ (at 1㎑) at room temperature, respectively.
백서의 심실세동성 심정지 모델에서 해마신경세포 손상에 대한 단백질 합성저해제의 효과
오동렬,채장성,박승현,김세경,최세민,박제영 대한응급의학회 2000 대한응급의학회지 Vol.11 No.4
Background: The goal of successful resuscitation is not only to stop the process of ischemia as soon as possible but also to overcome the secondary injury process after resuscitation, which involves a complex interplay of mechanisms. Brain damage accompanying cardiac arrest and resuscitation is frequent and devastating. Cells die by one of two mechanisms: necrosis or delayed neuronal death. Delayed neuronal death may require protein synthesis. Neurons in the CA1 subfield of the hippocampus are selectively vulnerable to death after injury by ischemia and reperfusion. Death of these neurons occurs after an interval of 1 or 2 days. We assessed the effects of a protein synthesis inhibitor, cycloheximide(CHX), on hippocampal neuronal death of rats by using the ventricular fibrillation cardiac arrest(VFCA) model. Methods: The effect of CHX(3 mg/kg, s.c.) on hippocampal neuronal death was studied in two groups of 18 rats each, one group being subjected to a 2-min VFCA and the other to a 3-min VFCA. Each group was divided into three subgroups: control(groupⅠ,Ⅱ) without subcutaneous injection of CHX, "esp-12" of group Ⅰ/Ⅱ treated with CHX 12 hours after return of spontaneous circulation (ROSC), and "exe-24" of group Ⅰ/Ⅱ treated with CHX 24 hours after ROSC. The coronal sections of the hippocampus levels were stained with hematoxylin-eosin after 72 hours of survival. The histologic damage score(HDS) was used to assign a score to the total number of damaged neurons counted in each of the hippocampal CA1 subfields. Results: 1. There were not significant differences in heart rates, blood pressures, blood sugar, and blood gas in group I & Ⅱ during the pre-arrest steady state or at 5 min and 30 min after ROSC. 2. In group I & Ⅱ, the HDS, were significantly reduced in rats(I exp-12, 1.1 ±0.6;Ⅰexp-24, 1.3 ±0.5;Ⅱ exp-12, 1.4±0.7; and Ⅱ exp-24, 1.8±0.8) treated with CHX 12 hours or 24 hours after ROSC than control rats(1,2.5 ±0.9;Ⅱ,2.9±0.8)(p<0.05). Conclusion: These results suggest that delayed hippocampal neuronal death from ischemic insult after ventricular fibrillation cardiac arrest followed by resuscitation can be prevented by a protein synthesis inhibitor, CHX. Further experimental studies of the action mechanism of protein synthesis inhibitors to delayed neuronal death and clinical applications are required.
오감각적 자극과 감성 브랜드 프로모션 공간 연출 디자인에 관한 연구 -마임 건강식품 알로주스 프로모션 연출을 중심으로-
김은애,김예은,정채림,진산,이진민,장미정,이성애 숙명여자대학교 산업디자인연구소 2017 숙명디자인학 연구 Vol.24 No.-
본 연구는 최근 감성중심의 디자인 환경에서 화두되고 있는 ‘오감’을 활용하여 브랜드 프로모션 공간을 연출하는 일련의 프로세스를 제안하는데 목적이 있다. 본 연구 범위는 2017년 3월~6월 15주간 숙명여대 환경디자인학과 <융합연출디자인> 수업에서 진행된 수업의 결과물로서 4개 팀 중 1개 팀의 작업물이다. 연구방법은 오감에 대한 문헌 연구와 융합연출 디자인 조사 정리한 사례 연구로 한다. 그 결과 본 연구는 산업체 <마임>과 연계하여 오감을 융합하는 쇼케이스 프로젝트부터 실제 브랜드 프로모션 공간 연출에 이르기까지 건강식품에 대한 브랜드의 일관성과 감성, 스토리성을 제시하였다. 끝으로 본 연구는 오감 을 활용한 공간 연출 디자인으로, 브랜드와 실질적으로 융합하여 브랜드를 프로모션함에 있어서 감성적인 접근방안을 제시 한 것에 의의가 있다. 또한 향후 본 연구는 이와 관련된 공감각, 오감을 담은 브랜드커뮤니케이션 디자인과 브랜드이미지, 브랜드 공간 연출개발에 있어서 기초 자료로 활용될 것으로 기대된다.
박물관 브랜드 마케팅 및 공간 프로모션 전략 -숙명여자대학교 내 정영양자수박물관 C·E·M 공간디자인을 중심으로-
김은애,김예은,정채림,이진민,장미정,이성애 숙명여자대학교 산업디자인연구소 2017 숙명디자인학 연구 Vol.24 No.-
본 연구는 정영양자수박물관의 콘텐츠를 활용한 통합 브랜드를 개발함에 있어 브랜드·디자인 ·마케팅을 융합한 시점에서 바라보고 그래픽아이덴티티, 제품아이덴티티, 공간아이덴티티 통합브랜드를 구축하는 일련의 프로세스를 밝히는데 목적이 있다. 이에 본 연구는 기존의 박물관 방문자들과 20-30대 여성을 대상으로, 디자인과 마케팅의 융합된 측면에서 도출된 ‘C·E·M’을 物, 事, 人, 場가 융합된 문화로 한정한다. 그 결과, ‘C·E·M’은 디자인과 마케팅 전략을 융합하여 로고 및 사인물의 그래픽디자인부터 제품디자인, 공간디자인에 이르기까지 일관성과 객관성, 스토리성을 도출한다. 끝으로 본 연구는 브랜드가 디자인과 마케팅을 융합하여 더 체계화된 G·I, P·I, S·I의 통합 브랜드 매뉴얼을 만든 것에 의의가 있다. 아울러 향후 이와 관련된 통합브랜드 디자인 개발에 있어서 기초 자료로 활용될 것으로 기대된다
Southern Blot Hybridization법을 이용한 악성 림프종의 면역유전형에 관한 연구
전호종,기근홍,김윤신,이미숙,이미자,장원재,장숙진,박영진,정춘해,정종훈,양성훈,이광민 조선대학교 1994 The Medical Journal of Chosun University Vol.19 No.2
Immunogenotyping using gene rearrangement analysis has emerged as a precise laboratory aid in the diagnosis and classification of malignant Iymphoid neoplasms. The lineage and clonality of the malignant Iymphoid neoplasms can be identified by the demonstration of rearrangements of antigen receptor genes of the immunoglobulin and T-cell receptor genes. The analysis of the gene rearrangements on the malignant Iymphoid neoplasms are also useful as a sensitive unique clonal markers to detect early recurrence in patients with malignant Iymphoid neoplasms after treatment. To analyze the sensitivity and specificity of gene rearrangements in the diagnosis of malignant Iymphoid neoplasms. 24 cases of malignat Iymphoma were examined by Southern blot hybridization using CTβ-T cell receptor β chain gene-DNA probe and JH-immunoglobulin heavy chain gene-DNA probe. The results of the immunogenotypings using Southern blot hybridization disclosed high correlation between the immunophenotyping using immunohistochemical stain with monoclonal antibodies (B-cell Iymphoma 84.2%. T-cell Iymphoma 75% ). The analysis of the gene rearrangement of the angioimmunoblastic lymphadenopathy(AILD) and unclassifiable Iymphoma using immunohistochemical stain could resolve the monoclonality and lineage . Rearranged bands to the CTβDNA probe were observed in one case out of 2 cases of AILD. One case of unclassifiable Iymphoma showed rearranged bands to the CTβ DNA probe. There were no rearrangements in reactive follicular Iymphoid hyperplasia and paracortical Iymphoid hyperplasia. In conclusion, DNA gene rearrangement study should be applied to differentiate the clonality and cell lineage in the malignant Iymphoma with indistinctive immunophenotype.