흰쥐중심편도체핵에서 Neurotensin 면역양성세포의 다리옆핵으로의 투사

박인식,최정화,박봉수,백선용,김봉선,김재봉,김진정 대한해부학회 1996 Anatomy & Cell Biology Vol.29 No.2

익수환아의 예후에 영향을 미치는 인자에 관한 연구

김용배,정대봉,조수형,조남수,박영봉,박상기,김춘호,양은석,문경래 大韓應急醫學會 1998 대한응급의학회지 Vol.9 No.3

Drowning is the second most common cause of accidental death of children in Korea. But the study of near-drowning is very rare in Korea. The purpose of our study is to determine the factors that may influence survival on the basis of submersion time, consciousness state upon admission to hospital, the kinds of water, laboratory findings and neurological outcomes. The survey was performed by a retrospective cohort study on 28 near-drowning victims of less than 15 years of age who were admitted to the emergency room in the Chosun University Hospital between May 1988 & May 1997. The results were as follows :1)Sex distribution was 22 males and 6 females. 2) Submersion time was <5 minutes in 9 cases, 5-9 minutes in 6 cases, 10-14 minutes in 5cases, 15-19 minutes in 3 cases, ≥20 minutes in 5cases. 3) Comatose patients upon arrival were 6/7 cases in the death group(86%) and 2/21 cases in the improved group(10%). They had unfavorable outcomes(P<0.05). 4) The first PH value was mean 7.02±0.12 in the death group and mean 7.31±0.13 in the improved group. There was a statistically significant difference between the death and the improved group(P<0.05) 5) The patients who gad increased blood glucose concentration were all 7 cases in the death group and 12/22 cases in the improved group(54%). The mean blood glucose concentration was mean 424.7235.6㎎/㎗ in the death group and mean 140.182.7㎎/㎗ in the improved group. There was a statistically significant difference between the death and the improved group(P<0.05). 6) The patients who had pulmonary edema upon arrival were all 7 cases in the death group and 1/21 cases in the improved group(46%). They had unfavorable outcomes(P<0.05). 7) The patients who had been submerged more than 15 minutes were all 7 cases in the death group and 6/21 cases in the improved group(5%). They had unfavorable outcomes(P<0.05). We conclude that pediatric victims of near-drowning can be assigned to high or low likelihoods of unfavorable our outcomes with the use of five variables ; comatose mentation upon arrival decreased initial blood pH, increased initial blood glucose concentration, pulmonary edema, and maximum submersion time estimated longer than fiften minutes. This prediction rule may be useful if it can be validated in another cohort.

Transthyretin의 Glutathione 자동산화 촉진작용

박종근,정신,김재휴,김수한,강삼석,이제혁,안봉환 대한신경외과학회 1994 Journal of Korean neurosurgical society Vol.23 No.8

When reduced glutathione(GSH) was incubated at neutral pH and at 37°, its concentration decreased slowly with formation of oxidized glutathione(GSSG). Autooxidation of GSH was accelerated by Cu^(2+) and Hg^(2+), but not by other common mono-, di-, and tri-valent cations. Transthyretin was found to stimulate autooxidation of GSH in the presence or absence of Cu^(2+) and Hg^(2+). EDTA inhibited perfectly the autooxidation of GSH regardless of the presence of transthyretin. The stimulating activity of transthyretin was maximal at pH 7.0, declining progressively with increase or decrease of pH from 7.0. Sulfhydryl-blocking agents such as p-hydroxymercuribenzoic acid and Nethylmaleimide markedly inhibited the stimulating activity of transthyretin. Transthyretin stimulated autooxidation of other sulfhydryl compounds such as clithiothreitol and cysteine. However, it did not show a significant effect on autooxidation of sulfhydryl group of egg albumin and eye lens proteins. And transthyretin did not cause any oxidative change to thyroxine(T₄), 3, 5, 3Ltri iodo thyronine(T₃) and 3, 3: 5~triiodothpnine(rT₃) bound to it in the presence of GSH and Cu^(2+). The above results suggest that transthyretin may play a role in regulation of oxidized status of sulfhydryl groups in blood plasma and cerebrospinal fluid

이차원 LMS 알고리즘의 Systolic Array 구현

박완수,최훈,홍기섭,박봉수,배현덕 충북대학교 컴퓨터 정보통신 연구소 2000 컴퓨터정보통신연구 Vol.8 No.1

적응알고리듬의 VLSI 구현에 있어서 파이프라이닝이나 시스토릭과 같은 구조적 설계기법을 이용하여 알고리듬을 변환하는 것은 효과적이다. 알고리듬 변환은 z-변환 영역에서 연산의 규칙성과 반복성을 찾아 이루어 진다. 본 논문에서는 이차원 필터와 계수갱신 시스템을 시스토릭 구조로 설계하여 LMS의 확장 형태인 TDLMS을 STDLMS로 변환한다. 변화된 STDLMS를 이용 이차원 ALE를 Altera사의 Max-PlusII 상에서 구현하여 시뮬레이션을 통해 성능을 평가한다. 시뮬레이션 결과 salt-pepper 잡음과 가우시안 잡음에 오염된 화상을 ALE가 개선할 수 있음을 보였다. In VLSI realization of adaptive algorithm. it is necessary and efficient that the algorithm is transformed to structural one suitably using architectural design techniques such as pipelining or systolic array. These transform method use regular and recursive of operation of the algorithm on z-transform domain. In this paper, the TDLMS which is a extended version of LMS is transformed to STDLMS which has systolic array architecture in two dimensional filter and coefficients update system. The transformed STDLMS is applied for realization of two dimensional ALE. And the ALE performances are evaluated by Max-PlusII of Altera Co.. The simulation results show that the ALE enhances image data which were corrupted by salt-pepper noise and Gaussian noise.

農業機械 所有農家의 營農實態 調査 硏究 : 동력경운기, 동력탈곡기, 동력탈맥기를 중심으로 Concenfrating on Power Tillers, Threshers, and Barley Threshers

박노석,정봉수 진주산업대학교 1972 論文集 Vol.10 No.-

This is the second step investigation of the usage and the Custom Work on the actual Conditon of Agricultural machinaries in Chinju area. Power tillers threshers and barely threshers were investigated for this examine and the results are as follows, 1. In percentage by age of agricultural machinaries, it was the highest between 31 and 40 with 30%. 2. Ones who had their own power tiller was 93.9% of the whole proprietor. 3. In the age of proprietor, farmers below the primary sehool level kept 46.4% and farmers above the high school had 31% in power case. 4. The average number of days for the farmers own use of their threshers and barley threshers is less than 5 days per year, but 35% of the farmers who custom work for 6-10 days occupys the highest percentage and 33.3% of them custom work for 11~15 days per year. 5. Income from power tiller are the highest as 47% with carring among the whole incomes of the cultivates, seeding and carryings.

Xanthomonas sp. EPS-1의 Exopolysaccharide생산을 위한 무기염류의 영향

박석규,손봉수,이상원,서권일,김홍출 순천대학교 기초과학연구소 1995 基礎科學硏究誌 Vol.6 No.-

For the production of high viscosity exopolysaccharide from Xanthomonas sp. EPS-1 which isolated and identified from soils, optimum concentration of inorganic salts were investigated : 0.2% KH_2PO_4, 0.05% MgSO_4·7H_2O, 0.3% NaCl, 0.005% CaCO_3, 0.007% FeSO_4·7H_2O, 0.005% MnSO_4·7H_2O. When EPS-1 strain was cultivated at 30℃ for 72 hours in a jar fermentor (impeller speed 300 rpm, aeration rate 3 vvm, 2 liter), polymer content, product rate and yield(Y_p/s) was 18.4g/ℓ, 0.26g/ℓ/h and 37%, respectively.

해조류 에탄올 농도별 추출물의 항돌연변이원성 및 항균성

박제석,오명철,오창경,현재석,김봉오,김수현 濟州大學校工科大學産業技術硏究所 1996 尖端技術硏究所論文集 Vol.7 No.2

톳. 미역 및 다시마의 에탄올 농도별 추출물이 MMS. ICR191 및 sodium azide에 의해 유도되는 돌연변이원성의 억제효과 및 E. coli, B. subtilis 및 S. serevisiae에 대한 항균효과를 검정하였다. 톳의 90% 에탄올 추출물은 MMS와 ICR191에 대한 항돌연변이 원성이 각각 70 및 95% 이상으로 매우 높았으나, sodium azide에 대한 항돌연변이원성은 없었다. 미역의 에탄올 농도별 추출물은 30∼90% 에탄올 추출물에서 50% 이상의 항돌연변이 효과를 보았으나 MMS와 sodium azide에 대한 항돌연변이 효과는 없었다. 다시마의 30∼90% 에탄올 추출물의 ICR191에 대한 항돌연변이 효과는 70% 이상이었으나, MMS와 sodium azide에 대한 효과는 없었다. 에탄올 농도별 톳의 추출물들에 대한 항균성 검색 결과 70과 90% 추출물들이 E. coli와 B. subtilis에 대하여 뚜렷한 항균효과는 미역 추출물 보다 다시마의 추출물이 더욱 요과적이었다. 미역 추출물은 50% 추출물만이 S. cerevisiae에 대한 성장저지효과를 나타낸 반면, 다시마 추출물은 90% 에탄올 추출물에서는 시험된 모든 공시균주에 대하여, 그리고 70% 에탄올 추출물에서는 E. coli와 B. sutilis에 대하여 높은 성장저지효과를 나타내었다. Desmutagenic against MMS-, ICR191- and sodium azide-induced mutations, and antimicrobial effects against Escherichia coli, Bacillus subtilis and Saccharomyces cerevisiae by the extracts from Hizikia fusiforme. Laminaria japonica and Undaria pinnatifida with ethanol of a different concentrations were investigated. Desmutagenic effects against MMS and ICR191 of 90% ethanol extracts from Hizikia fusiforme were up 70 and 95%. respectively. no against sodium azide. Desmutagenic effects against ICR191 of 30∼90% ethanol extracts from Undaria pinnatifida and Laminaria japonica were up to 50 and 70%. respectively. but no against sodium azide and MMS. Antimicrobial effect of 70 and 90% ethanol extracts from Hizikia fusiforme had potent antimicrobial activities against E. coli and B. subtilis. Ethanol extracts from Laminaria japonica showed more effective antimicrobial effects than those from Undaria pinnatifida. Only 50% ethanol extract from Undaria pinnatifida showed growth inhibition effect against S. cerevisiae. Seventy percent ethanol extract from Laminaria japonica showed growth inhibition effect against all strains tested. while 90% ethanol extract showed against E. coli and B. subtilis.

특수콘크리트를 이용한 가로 경관시설물 개발에 관한 기초연구

박봉우,한갑수 강원대학교 석재복합신소재제품연구센터 1997 석재연 논문집 Vol.2 No.-

본 연구는 특수 콘크리트를 사용하여 가로경관 시설물 관련 제품을 생산하기 위한 기초 자료를 얻을 목적으로 수행하였다. 조사는 기존의 도시 가로를 구시가지, 신시가지, 문화거리로 구분하여 가로 경관 시설물을 현황을 조사하였다. 장소에 따른 가로 경관 시설물을 종류는 크게 다르지 않았으며, 시설물의 소재(사용재료)는 철제품이 주종을 이루고 있었다. 또 이들 가로 경관 시설물은 도로에 관련된 정보 전달을 위한 기능성에 치중하고 있고, 경관 기여도는 낮은 것으로 평가되었다. 이렇게 조사된 결과를 토대로 하여 경관 기여도를 높일 수 있는 수목용 플랜터(planter for trees and shrub)와 자연성의 도입을 유도할 수 있는 생태블럭(eco-block)의 모형을 제시하였다. This study is conducted to collect basic data for special concrete material to be applied for making street furniture and related products. For this purpose, this study first classified existing city streets into old town area, newly developed area and cultural street, then surveyed the number and the kind of street furniture located in them. In result, the survey showed that the street furniture was not different among the streets in terms of kind, and steel including nonferrous metal was used as the main material for it, and the contribution to the landscape was limitied. Based upon the results, we suggest the pilot models of a planter for trees and shrubs which can make a greater contribution to the surrounding landscape, and of an eco-block to give naturalness to the urban settings.

성장기 연령 변화에 따른 좌우안 크기 변화 비교 연구

박수봉 김천대학교 1998 김천대학교 논문집 Vol.19 No.-

The purpose of this was to compare the right and left eye size.

覆盆子類가 白鼠의 排卵과 卵巢에 미치는 影響

金捧秀,朴涌基,康秉秀 대한본초학회 2001 大韓本草學會誌 Vol.16 No.1

Rubi Fructus is a well known remedy for female infertility, especially due to lack of kidney-yang or shenyangxu(???). An attempt was made to evaluate the influences of Rubi Fructus (mature Rubus crataegifolius BUNGE, mature Rubus coreanus MIQ and immature Rubus coreanum MIQ) on the morphological changes of the ovary. The experiment was performed to investigate the effects of the seeds of mature Rubus cratagifolius BUNGE (W1), the seeds of mature Rubus coreanus MIQ (W2) and the seeds of immature Rubus coreanus MIQ (W3) on the formation of follicles in rat ovary. The results are as follows: 1. Results using three herbs of mature seed of Rubus cratagifolius BUNGE (W1), mature seed of Rubus coreanus MIQ (W2)and immature seed of Rubus coreanus MIQ (W3) clearly showed the stimulating effects on the increasing number of follicles in rat ovary. Of them, W1 increased the follicle formation by 171% compared to normal control after 4 days of treatment. In cases of W2 and W3, the formed numbers of the follicle were increased to 228% and 285%, respectively. On the other hand, the follicle formations of W1, W2, and W3 were most effective, showing 208, 258 and 266%, respectively, after 8 days of treatment. These results showed that effect of immature Rubus coreanus MIQ was similar to that of the mature Rubus coreanus MIQ without any differences. 2. The size of the follicle stimulated by W2 was about 1.0 mm, although the size of the normal control was 0.3 mm. However, those of W1 and W2 were about 0.5 mm, indicating that the treatments of the herbal extracts are also effective for the follicle size. Therefore, it was concluded that all these herbs showed the effects on average of follicles in ovary. Especially, mature Rubus coreanus MIQ showed the highest effect among them. 3. Fractions of W1-B, W2-B and W3-B, when each extract were separated by analytical HPLC(high performance liquid chromatography), showed the activities of follicle number and size of follicles in ovary. These results suggest that the effect of Rubi Fructus is related to treatment of female infertility due to ovulation difficuty. Of them, mature Rubus coreanus MIQ is the most potent effector on the ovulation in Rats.