유치 및 초기 영구치아의 치수 신경분포

김영진,남순현,김현정,이재문,이인정 大韓小兒齒科學會 1996 大韓小兒齒科學會誌 Vol.23 No.2

유치 및 초기 영구치의 치수신경분포 및 변화를 평가하기 위하여 교정치료를 위해 발치한 치근흡수가 비교적 적은 유치,정상 탈락기의 유치,맹출중인 교합하지 않은 제 1소구치,맹출이 완료되어 교합하고 있는 1소구치를 대상으로 neurofilament protein(NEP)을 이용한 면역조직화학적 방법으로 관찰하여 다음과 같은 결과를 얻었다. 치근흡수가 비교적 적은 유치에서도 영구치와 유사한 신경총의 존재와 신경분포 형태가 관찰되었으나,영구치에 비해 그 신경분포 밀도가 낮았으며 분지형성 또한 미약하게 나타났고,전상아질로 진입하는 섬유의 수가 적었다. 정상탈락기의 유치에서는 신경의 변성으로 소포(vesicle),단절(fragmentation)등이 관찰되었으며,그 신경분포가 현저히 감소되어 나타났고,총상의 형태도 소실되었다. 교합하지 않은 제 1소구치에서 치수내의 신경은 말단가지의 숫자가 적고,치수 조상아 세포 경계에 도달하였으며,비교적 가는 신경 섬유가 많았다. 교합하고 있는 제 1소구치에서 치수내의 신경은 말단이 조상아층으로 진출하고,어떤 신경섬유는 전상아질층까지 진입하였으며,비교적 굵은신경 섬유의 분포가 많아졌다. The purpose of this study was to investigate the distribution of nerves in the dental pulp of early extracted primary teeth,normal exfoliated teeth,partially-erupted,nonfunctional,premolars,and erupted,functional,premolars.Numbers of sample were 10 teeth in each group. The distribution of nerves in the dental pulp were investigated by means of immunohistochemistry for detection of neurofilament protein(NFP). The results were as follows: The early extracted primary teeth exhibited patterns of innervation similar to those observed for young permanent teeth.The plexiform arrangement of fibers was not evident in the primary teeth.Most nerves appear to terminate about the odontoblasts. As primary teeth began to undergo root resorption,degenerative changes such as vesicles and fragmentation appear in nerves.The quantity of neural tissue also decreased.In teeth in which the roots were almost completely resorbed only a small number of nerves remain. There was a decrease in the number of terminal branches in the pulp of the partiallyerupted,nonfunctional,premolars and those present reached the pulpo-odontoblastic border. The nerve terminals in the pulp of the erupted,functional,premolars were traced to the dentinal tubule and a few nerve fibers formed loops in the predentin.

Alkylhalide가 Mouse의 LDH isozyme 분포에 미치는 영향 : Cellulose Acetate Electrophoresis Method

권미경,김영옥,박은주,이동화,이명미,이문희,이양자 曉星女子大學校 藥學大學 學生會 1988 曉星藥誌 Vol.4 No.-

The effect of Carbontetrachloride administration on Lactatedehydrogenase isozyme patterns were analyzed by cellulose acetate electrophoresis for the brain, heart, kidney, lung, liver and mouse muscle. Each other tissue was found to have a characteristic distribution of these isozymes. At normal condition, aerobic tissue such as brain, heart, kidney, and lung were found to have all five isozymes from LDH_1 to LDH_5, while anaerobic tissues such as liver and muscle were found to have superiorly LDH_5 The toxicity of Carbontetrachloride administration was most prominence in the liver, and lung toxicity was occured also.

다용량 비타민 C 투여가 생쥐 세포매개면역반응에 미치는 영향

노가화,김헌곤,신영아,임현자,문성규,이용택,이왕재,이동섭,황영일 Official Journal of the Korean society for immunol 2003 Immune Network Vol.3 No.3

열공형과 비열공형 피질하 혈관성 치매에서 위험인자의 차이에 관한 비교 연구

배희준,정지향,유경호,나덕렬,김상윤,최경규,양동원,손의주,이상도,김재우,박경원,김응규,이재홍,박미영,한일우,함동석,최문성,하충건,최성혜,이애영,이병철,한설희 대한치매학회 2003 Dementia and Neurocognitive Disorders Vol.2 No.2

Backgrounds and Objectives: Vascular dementia is a group of dementing disoders arising from various stroke syndrome. Among these. subcortical ischemic vascular dementia (SIVD) is regarded as a relatively distinct clinical entity. However, MRI patterns of SIVD are not homogenous. In some patients, lacunes are dominant, and in others, subcortical white matter changes are. This study was designed to compare risk factor profiles between SIVD with and without multiple lacunes. Methods: We divided 47 subjects (22 males, mean age. 68 years) recruited from VADAPET (Multicenter Trial For Evaluation Of The Changes In the PET Images Of Subcortical Vascular Dementia Patient) study into two groups one with more than 5 lacunes in deep gray matter (lacune group) and the other with 5 or less(non-lacune group) Clinical characteristics and laboratory findings of two groups were compared. Results: Nineteen of 47 patients (40%) belonged to the lacune group. The lacune and non-lacune groups d d not differ in the following variables: age, hypertension, diabetes mellitus, hyperlipidemia heart disease, history of stroke or TIA, history of trauma or major surgery, family history of hypertension stroke, or dementia, age at diagnosis of dementia, body mass index, white blood cell count, ESR, CRP, fibrinogen, hemoglobin A1C, total cholesterol. LDL cholesterol creatinine, proteinuria, glucosuria, and microhematuria. However, male sex, smoking alcohol. hemoglobin, and HDL cholesterol were possibly associated more with lacune group SIVD than with non-lacune group (p<0 1) Multivariate analyses revealed that smoking, hemoglobin, and HDL cholesterol were independent predictors of SIVD with multiple lacunes Conclusion: Our study suggests that SIVD with multiple lacunes may be significantly different in smoking habits hemoglobin, and HDL cholesterol from SIVD without multiple lacunes.

키에르케고르의 도덕교육론

이영문 춘천교대 인문사회연구소 1998 人文社會敎育硏究 Vol.2 No.-

A. 高校 科學 (生物·地球科學) 및 數學科 探究學習의 評價模型 定立과 評價紙 開發

李相協,權炳奎,林在圭,孫文求,吳岱燮,楊洪準,梁承榮,姜用熙,林成圭,金正遠,金吉民,兪正在 경북대학교 과학교육연구소 1982 科學敎育硏究誌 Vol.6 No.-

Currently the evaluation of high school science and mathematics learning has been too much knowledge-centered without concerning the inquiring ability or scientific attitude. This study, therefore, was made for the purpose of establishing of evaluation model for high school science (biology and earth science) and mathematics learning and its evaluation items. In this paper, the research was done about three fields, biology, earth science and mathematics. 1. For the biology, the evaluation methods of inquiry learning were studied with the foreign references, and proper evaluation items were suggested. 2. For the earth science, after analizing 5 kinds of earth science textbook of current using in high school, essential 19 items were selected. 5 of them were tested in test group and control group, then, the results were analized. 3. For the mathematice, the teaching elements of「Set」and「Flow chart」in mathematics (Ⅰ) were selected and structured. Detailed teaching objects were established and evaluation items were introduced.

연구개 및 구개수에 발생한 편평세포암종

이승호,이성훈,김기영,김창룡,박문성,류선열,조규승 大韓顎顔面成形再建外科學會 1996 Maxillofacial Plastic Reconstructive Surgery Vol.18 No.4

Carcinoma of the mouth accounts for approximately 5% of all carcinomas occurring in man. Carcinoma of the oral cavity develops as a result of invasion of malignant epithelial cells through the normally intact basal cell layer into subcutaneous and submucosal tissuse. The sofe palate and uvula may be involved in oral cancer but are not common sites. Early lesions of soft palate carcinoma appear as red, white, or mixed changes in the mucosa. The earliest symptom is mild sore throat. Advanced lesions interfer with swallowing and may cause a voice change. Although surgical method of soft palate carcinoma is successful, prognosis is relatively poor to swallowing and speech problem. Occasionally marginal recurrence may be developed. This article reports a case of squamous cell carcinoma occurred unusually in the soft palate and uvula. The case was treated with neoadjuvant chemotherapy, local radicalexcision and postoperative irradiation. Patient was followed up for 2 years. There was no tumor recurrence. The overall result including function was satisfactory.

낭종 적출후 악골 결손부 치유에 관한 동종골 이식 효과에 관한 연구

이동근,박화규,권경환,강문정,신기영,민승기,성헌모 大韓顎顔面成形再建外科學會 1999 Maxillofacial Plastic Reconstructive Surgery Vol.21 No.4

This study was aimed to suggest to better treatment method of jaw cyst that the maximum diameter was wider than 3cm, using different treatment and clinical and radiographic result. We divided the 60 patients into three groups, group A(20 patients) were treated with cyst enucleation and Decalcified Freeze-Dried Allogeneic Bone(DFDB) graft, group B(20 patients) were treated with cyst enucleation and autogenous bone graft, group C(20 patients) were treated with only cyst enucleation. Each group was evaluated with panramic radiograph and clinical sign & symptom at pre-op and post-op(immediate, 6, 12, 24, 36 month). Bone density was evaluated with disital densitometer. The result was as follows : 1. Post-Op infection was higher in group C(4 pts.) than in group A(1 pt.) and B(1 pt.) 2. Post-Op gingival recession was higher in group C(3 Pts.) than in group A(1 pt.) and B(1 pt.) 3. Anatomic distortion was higher in group C(3 Pt.) than in group A(1 Pt.), and B(1 pt.) 4. reoperation was done in two patients who were in group C 5. There were donor site morbidity in two patients 6. there was no significant difference between group A and B in their bony density in their follow up period(p>0.05). 7. There were significant differences between group A, B and group C in their bony density until post-op 24 months but a little differences at post-op 36 months(P<0.01)

5가 이온주입에 의해 형성된 ?? 층의 불순물 활성화 연구

문영희,이동건,배인호,김말문,한병국 嶺南大學校 基礎科學硏究所 1995 基礎科學硏究 Vol.15 No.-

Ion implantation was used to form shallow ?? junction in silicon substrate, Czochralski-grown(100) silicon wafers, 5~9 Ω㎝ p-type, were implanted with arsenic and phosphorous at room temperature. Arsenic and phosphorus depth profiles were measured by secondary ion mass spectroscopy(SIMS). Atomic distribution of arsenic and phosphorus in samples could be analysised by comparison of the SIMS prlfiles with computer simulations using the SUPREM Ⅳ program. Peak position of the arsenic profile are about 440 A in depth at 60 keV. And that of the phosphorus profile is about 1100 A in depth at 85 keV. We have measured the behavior of electrical properties - (SRP)Spread sheet resistivity, Hall mobility. sheet resistivity and Sheet carrier concentration - vs annealing temperature as well as lattice recovery of As? and p? implanted silicon samples. In the cases of arsenic and phosphorus implanted samples, increasing of Hall mobility at 500 ~ 700 ℃ annealing temperature was shown recrystallization process of implanted layer.

전해응집공정을 이용한 염색폐수의 처리

이용택,한승우,조영개,이현문,김태근,손인식,양병수 한국환경과학회 2000 한국환경과학회지 Vol.9 No.4

This research studied the characteristics and applicability of electrocoagulation using aluminium electrode for the color and COD removal in textile wastewater. Electrocoagulation reactor used two different electrode, Fe and Al, since in the general chemical wastewater treatment, aluminium and ferrous salts were used as coagulants. Aluminium electrode showed higher removal efficiency of color and COD than ferrous electrode did. The COD and color removal efficiency improved at the 0.192A/dm^2 current density. Thus, the electrocoagulation process with bipolar aluminium electrode showed better efficiency in the decolorization and COD removal rate of textile wastewater effluent than custom coagulants did.