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김부진(Pu Jin Kim),남상욱(Sang Ook Nam),박희주(Hee Ju Park) 대한소아신경학회 2001 대한소아신경학회지 Vol.9 No.1
목적: 오랜 기간동안 간질 환자에서 왼손잡이가 많다고 인식되어져 왔으나 이에 대한 연구는 흔하지 않다. 저자들은 간질 환아의 handedness를 조사하고 간질의 원인 및 뇌병변의 위치에 따른 왼손잡이의 빈도 및 handedness에 따른 여러 임상양상과의 관계를 분석하여 간질 환아에서 왼손잡이의 빈도와 왼손잡이의 주 기전이 간질 자체에 의한 것인지 간질과 동반된 뇌병변에 의한 것인지에 대한 연구로 간질의 원인, 치료 및 예후를 예측하는데 도움을 주고자 한다. 방법: 1996년 1월부터 1999년 8월까지 부산대학교병원 소아과에 경련으로 내원하여 간질로 진단받은 환아 158명을 대상으로 하였다. 대조군은 신경학적 결함이 없는 환아 158명이었다. 의무기록지에 의한 후향적 조사를 실시하여 두 군간의 handedness, 성별, 연령, 성별에 따른 handedness와 대조군에서 handedness에 다른 첫 경련 발생시의 연령, 연령분포, 간질의 가족력, 경련의 형태, 간질 원인의 유무, 증후성 간질의 원인, 해부학적 병변의 위치, 뇌파 결과에 의한 병변의 위치, 그리고 대상군을 특발성 간질 환아군과 증후성 간질 환아군으로 나누어 handedness를 조사하였다. 결과: 대상군과 대조군에서의 handedness, 성별, 연령, 성별에 따른 handedness의 차이는 없었다. 첫 경련시의 연령, 연령 분포, 경련의 형태, 가족력 유무와 handedness는 관계가 없었다. 증후성 간질 환아군은 오른손잡이에서 25명(17.9%)이었고 왼손잡이에서는 8명(44.0%)으로 왼손잡이에서 증후성 간질의 빈도가 높았고 증후성 간질 환아군에서 대조군에 비해 왼손잡이가 의미있게 많았으나 특발성 간질 환아군에서는 handedness의 차이가 없었다. 증후성 간질 환아군에서 좌뇌반구에 병변이 있는 경우, 뇌파검사상 왼손잡이에서 국소성 이상 소견있는 경우에 왼손잡이가 많았다. 결론: 대상군에서 대조군에 비해 왼손잡이의 빈도가 높지 않았으나 증후성 간질, 증후성 간질의 병변이 좌뇌반구에 있는 경우, 뇌파검사상 국소성 이상소견을 보인 경우에서 왼손잡이의 빈도가 높았다. 본 연구에서는 간질 환아에서의 왼손잡이의 높은 빈도는 증후성 간질의 원인으로 선행된 뇌병변에 주로 의한 것으로 생각된다. Purpose: Some reports left handedness is more common in epileptic patients compared with normal populations, but the study on this topics are rare. This can be due to epilepsy itself or brain lesion in epileptic patients. The study about the handedness in epileptic patients may help identifying the relationship of handedness and epilepsy, symptomatic epilepsy, sites of brain lesion, age at first seizure attack, family history of epilepsy. Methods: Subjects were 158 children with epilepsy who were admitted and able to describe the handedness at the Department of Pusan national university hospital between January 1996 and August 1999. We reviewed their sex, age, handedness. At patient group, age at first seizure, age distribution, family history of epilepsy, seizure type, etiology of epilepsy, causes of symptomatic epilepsy, site of brain lesion, localization by EEG were analyzed. Control group is 158 children without neurologic problem. We analysed handedness according to its variables. Results: There was no statistical significance in handedness between epileptic group and control group. There was no significant difference in handedness according to age at first seizure attack, seizure type, family history of epilepsy and age distribution. The left handedness is more common significantly in the group of symptomatic epilepsy, left side brain lesion and focal abnormality by EEG recording. Conclusion: We can find significant difference between symptomatic epileptic patient group, especially in the case of the left brain lesion and focal abnormality by EEG recording. In the case of bilateral or diffuse brain lesion, most of patients showed right handedness(87.5%). Accordingly, we concluded that high prevalence of left-handedness in children with epilepsy is more related with left side brain lesion than epilepsy itself. We assumed the social factors strongly affect the handedness of epileptic patients when we see that most of patients show the right handedness in the bilateral or diffuse brain lesions.
치자, 오배자 추출물이 함유된 마스크 시트의 항산화 · 항균 효과
김부진 ( Bu Jin Kim ),서화진 ( Hwa-jin Suh ),권오운 ( Oh Oun Kwon ),노성수 ( Seong-soo Roh ) 한약응용학회 2019 한약응용학회지 Vol.19 No.1
Objectives : Other than the traditional uses as the natural coloring matters, the gardenia seeds and the gallnuts have been used as the materials for the foods and the Oriental medicines. And, recently, as the naturally-derived substances, they have been utilized in the diverse fields. Although, regarding most of the natural dyes which are tinged with the colors, because they abundantly possess the polyphenol and the useful, secondary metabolites, they have the antioxidation and anti-bacterial efficacy, because the colorings of the skin and the stabilities of the materials are low, there are the difficulties with regard to the use. In this research, by using the gall nuts and the gardenia seeds, the research had been conducted for the verification of the efficacy as the cosmetic product materials, for the durability of the naturally-dyed, non-woven fabric, and for the production of an anti-bacterial, non-woven fabric. Methods : In order to secure the visual beauty and the functional aspect, the gall nut and the gardenia seeds had been used as the complex extracts. Results : Their anti-oxidant activities were analyzed to be 22.5/9.3 ㎍/㎖, respectively, regarding the DPPH/ABTS. And the inhibition (IC50, 11.3 ㎍/㎖) of the tyrosinase activity was, also, analyzed to be on a high level. This was excellent to the extent that it was comparable to the ascorbid acid, which had been used for the positive control. Not only that, regarding the anti-inflammatory efficacy and the anti-bacterial effect, too, the result on a far higher level compared to the other extracts was obtained. Conclusion : In the light of such results, it is judged that there are a lot of the utilizations of the natural dye materials for making the raw, cosmetic product materials. And it is thought that, by carrying out the in-depth clinical researches at the same time, it will be able to be applied as a material with the safe and excellent efficacy.
Change in Water Contact Angle of Carbon Contaminated TiO2 Surfaces by High-energy Electron Beam
김광대,Wei Sheng Tai,김영독,Sang-Jin Cho,부진효,배인섭,이병철,Ki Ho Yang,Ok Kyung Park 대한화학회 2009 Bulletin of the Korean Chemical Society Vol.30 No.5
We studied change in water contact angle on TiO2 surfaces upon high-energy electron-beam treatment. Depending on conditions of e-beam exposures, surface OH-content could be increased or decreased. In contrast, water contact angle continuously decreased with increasing e-beam exposure and energy, i.e. change in the water contact angle cannot be rationalized in terms of the overall change in the surfacestructure of carbon-contaminated TiO2. In the C1s spectra, we found that the C-O and C=O contents gradually increased with increasing e-beam energy, suggesting that the change in the surface structure of carbon layers can be important for understanding of the wettability change. Our results imply that the degree of oxidation of carbon impurity layers on oxide surfaces should be considered, in order to fully understand the change in the oxide surface wettability.
김인준,황규성,부진후 동의공업대학 1998 論文集 Vol.24 No.1
The first requirement of good design is to fit the seat to the anatomical dimensions of the potential sitters. This paper is including that a two-stage evaluation procedure is employed : (1) use fitting trials to allow subjects to fit the chair to their body, (2) evaluate the general comfort and the body part discomfort of 4 chair existed. Each chair is compared with every other chair for comfort. Comparison of the judgements with the fitting trials and body part discomfort gave guideline of chair design, and methodology for office chair subjective ergonomics evaluation.