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      • SCOPUSKCI등재

        증례 : 정상면역을 가진 성인에서 발생한 식도 방선균증 1예

        김현수 ( Hyun Soo Kim ),천종운 ( Jong Woon Cheon ),김민수 ( Min Su Kim ),정창길 ( Chang Kil Jung ),김경록 ( Kyung Rok Kim ),최재원 ( Jae Won Choi ),강동우 ( Dong Woo Kang ),김선영 ( Sun Young Kim ) 대한소화기학회 2013 대한소화기학회지 Vol.61 No.2

        Hyun Soo Kim, Jong Woon Cheon, Min Su Kim, Chang Kil Jung, Kyung Rok Kim, Jae Won Choi, Dong Woo Kang and Sun Young Kim1 Departments of Internal Medicine and Pathology1, DongKang Medical Center, Ulsan, Korea Actinomycosis is a chronic suppurative disease and caused by Actinomycosis species, principally Actinomyces israelii, which are part of the normal inhabitant on the mucous membrane of the oropharynx, gastrointestinal tract, and urogenital tract. It usually affects cervicofacial, thoracic and abdominal tissue. Cervicofacial type has the highest percentage of occurrence with 50%. Actinomycosis frequently occurs following dental extraction, jaw surgery, chronic infection or poor oral hygiene. It may also be considered as an opportunistic infection in immunocompromised patients such as malignancy, human immunodeficiency virus infection, diabetes mellitus, steroid usage or alcoholism. But, actinomycosis rarely occurs in adults with normal immunity and rare in the esophagus. We report an unusual case of esophageal actinomycosis which was developed in a patient with normal immunity and improved by therapy with intravenous penicillin G followed oral amoxicillin, and we also reviewed the associated literature.

      • KCI등재

        가열 조건을 달리한 단호박 페이스트와 검 종류별 단호박 라떼의 품질특성

        박보람,김나정,유선미,한귀정,김하윤,한혜민,신동선,신말식,Park, Bo-ram,Kim, Na-Jung,Yoo, Seon-Mi,Han, Gwi Jung,Kim, Ha Yoon,Han, Hye-min,Shin, Dong-Sun,Shin, Malshick 한국식품조리과학회 2015 한국식품조리과학회지 Vol.31 No.3

        가열 조건에 따른 단호박 페이스트를 제조하기 위해, 단호박을 15분 간 초벌 증숙한 뒤, 고압가열 처리 0분(A), 10분(B), 20분(C), 40분(D) 실시하여 실험군의 품질특성 을 조사하였다. 그 결과 일반성분의 경우, 대체적으로 고 압가열 처리 유무에 따른 유의적 차이가 관찰되었으며, 고압가열 처리한 B, C, D 실험군의 수분함량, 조단백질, 조섬유가 고압가열 무처리군 A에 비해 감소하였고, 가용성 무질소물은 증가하는 것으로 나타났다. 가열 조건별 단호박 페이스트의 수용성식이섬유는 고압가열 20분 처리군인 C의 측정치가 2.02로 가장 높았으며 무처리군인 A의 1.60 보다 증가하였고, 고압가열 처리 40분의 경우 오히려 감소하는 것으로 나타났다. 색도의 L 값은 고압가열 무처리군인 A가 52.20에서 고압가열 처리 10분, 20분, 40분으로 시간이 증가함에 따라 각각 50.33, 49.46, 48.06으로 감소하였고, a 값과 b 값 또한 유의적인 차이를 보이며 감소하였다. 현미경을 통한 단호박 페이스트의 현탁액 입자를 관찰한 결과 카로티노이드를 포함하는 유세포가 관찰되었으며 고압가열 처리와 그 시간이 증가함에 따라 단호박 유세포의 변형이 뚜렷하게 관찰되었으나, 부유안정성 실험 결과 실험군 A, B, C, D 간 차이가 없었다. 이때, 가열조건의 선택은 수용성 식이섬유의 증가, 환원당 증가, 단맛의 관능특성이 유의적으로 높고, 전반적 기호도가 가장 우수한 것으로 나타난 고압가열 처리 20분인 C 실험군으로 결정하였다. 선택된 조건의 단호박 페이스트에 식품가공 시 널리 사용되는 검류인 xanthan gum, locust bean gum, guar gum을 단호박 페이스트에 종류별로 첨가하여 부유안정성을 확인하였는데, 이 결과 guar gum, locust bean gum, xanthan gum 순으로 부유안정성 효과를 나타냈으며 locust bean gum과 xanathan gum은 비슷한 정도의 효과를 보였다. 또한 관능검사를 통한 기호도 확인 결과 텍스쳐와, 전반적인 기호도가 가장 우수했으므로 locust bean gum(0.2%) 첨가 단호박 라떼의 품질이 가장 적절할 것으로 판단된다. For the production of pumpkin paste with respect to heating conditions, we steamed the pumpkin for roughly 15 min, heated it with high pressure treatment for 0 min (A), 10 min (B), 20 min (C), 40 min (D), and subsequently investigated the quality characteristics. Generally a significant difference was observed between the pumpkin paste treated with and without high-pressure heat. The values of water content, crude protein and crude fiber of the high-pressure heat-treated groups B, C, D were decreased compared with untreated group A. The soluble fiber in experimental group B sweet-pumpkin paste treated with high-pressure heat for 20 min was higher than the control, and the highest value at 2.02. Experimental group D sweet-pumpkin paste treated with high-pressure heat for 40 min was found to have a decreased soluble fiber content relative to the control. The L value for the color of the group A untreated control sweet-pumpkin paste (no high-pressure heating) decreased as the time increased from 10 min to 40 min, with L values of 50.33, 49.46, and 48.06, respectively. The b value for the color of the sweet-pumpkin paste also decreased, showing a significant difference. Taking into account all the results, we chose experimental group B in order to prepare sweet-pumpkin latte. We used 0.2% gum (xanthan gum, locust bean gum, guar gum) as a stabilizer. Sweet-pumpkin latte with xanthan and locust bean gum has a suspension stability effect that lasts 90 min. The L and b values of sweet-pumpkin latte with gums increase and a value decrease compared with the control. In terms of the overall acceptance of the sweet-pumpkin latte, the experimental group with xanthan gum scored the best.

      • Lutembacher 증후군 환자 증례 보고

        김성범,서정주,곽철훈,김상민,이보라,민선경,황은구,김용인,조욱현,최석구 인제대학교 2008 仁濟醫學 Vol.29 No.-

        Lutembacher's syndrome is rare combination of mitral stenosis (MS) and atrial septal defect (ASD). The hemodynamic interplay between the MS and ASD leads to wide variation of clinical presentation. Here we describe a 43-year-old female with Lutembacher's syndrome and tricuspid regurgitation with pulmonary hypertension, who underwent direct closure of ASD and tricuspid valvuloplasty successfully. We also reviewed other literatures in an effort to increase awareness of this condition.

      • KCI등재

        Thermodynamic Calculations and Parameter Variations for Improving the Extraction Efficiency of Dy in Ternary Alloy System

        Sun‑Woo Nam,Sang‑Min Park,Do‑Hyang Kim,Taek‑Soo Kim 대한금속·재료학회 2021 METALS AND MATERIALS International Vol.27 No.3

        The extraction behavior of dysprosium (Dy) in a rapidly solidified Dy–Fe–B alloy system consisting of Dy2Fe14Band Dy6Fe23phases was investigated using the liquid metal extraction (LME) process. Liquid magnesium (Mg) was selected as the solventmetal in LME because it forms intermetallic compounds with Dy but not with iron (Fe) and boron (B) in this process. Thediffusion behavior of Dy was estimated through thermodynamic calculations and subsequently confirmed by process parameterssuch as temperature and reaction time. As the temperature increases, the extraction rate increases and the maximumextraction efficiency is about 74% Dy for 1 h at 1000 °C. As the reaction time increases, we achieved the maximum extractionefficiency of 95% Dy after 24 h at 900 °C. The factor affecting Dy extraction ratio up to 6 h is Dy6Fe23phase, after which theextraction mainly occurs in Dy2Fe14Bphase. Furthermore, the diffusion behavior is described in detail with analysis basedon microstructural and compositional properties. The effects of process parameters on extraction rate are also discussed.

      • SCIEKCI등재

        갈화(Puerariae flos) 추출물이 Rat 혈중 Ethanol 농도에 미치는 영향

        김종수,김성훈,김수언,김정한,민선식,홍희도 한국농화학회 1995 Applied Biological Chemistry (Appl Biol Chem) Vol.38 No.6

        Ethanol concentration in blood, brain and liver of rats was shown to be effectively lowered by arrowroot flower extract. The lowering effect for ethanol concentration in blood was maximum when measured after 1 hour from ethanol feeding. Hot water extract was more effective than 80% ethanol extract. The treatment of extract at 10 min. before ethanol feeding gave a better result than that at 10 min after or 1 hour before ethanol feeding. The ethanol concentration in brain and liver was lowered as found in the blood ethanol concentration. Acetaldehyde was not detected either in blood or the tissues. The optimal amount of the Puerariae flos was 55.7㎎/㎏·body weight. The newly developed analytical method using dichloromethane as extracting solvent was proven to be very effective in terms of speed and simplicity.

      • KCI등재후보

        기억력 저하를 호소하는 노인들을 대상으로 INM176를 3개월간 임상시험한 후의 치료성적 및 부작용 평가 보고

        김지혜,고선규,고효정,권영아,김성환,김재경,김태은,박재우,서민영,송영란,이인수,김도관 大韓神經精神醫學會 2003 신경정신의학 Vol.42 No.2

        '스콜라' 이용 시 소속기관이 구독 중이 아닌 경우, 오후 4시부터 익일 오전 7시까지 원문보기가 가능합니다.

        Objectives : We examined the effects of INM 176 (K-l107) compared with placebo on the cognitive functions of 92 old aged subjects with cognitive impairment. Methods : This was a prospective, 12 week, double-blind, Placebo-controlled clinical trial. The elderly who achieved a score of less than 25 points on the K-MMSE or showed a high risk of Alzheimer's disease from the 7-Minute Neurocognitive Screening Battery were considered to have objective impairment and were selected as subjects for this study. The subjects were randomized to placebo or INM 176 group. The outcome measures were from the Alzheimer's Disease Assessment Scale-cognitive subscale (ADAS-Cog), the Instrumental Activities ofDaily Living (IADL) and the Korean Geriatric Depression Scale (KGDS) and two kinds of computerized priming tests. After setting the total error score in the Alzheimer's Disease Assessment Scale-Cognitive section (ADAS-cog) as the repeated measurement factor, an analysis of variance of the combined factor design was done between the placebo and INM 176 group. Results : The interaction effect of time (pre- and post-trial) and group (placebo and INM 176 group) was significant in the analysis of the ADAS-cog's total error score. The INM 176 group's total error score in the ADAS-cog decreased significantly (p<0.01), whereas the placebo group showed a slight increase. The mean changes in IADL and GDS from baseline scores favored in the INM 176 group than in the placebo group. Outcome changes ofADAS-cog, IADL, KGDS scores during the 12 week clinical trail ofINM 176 and placebo demonstrated favorable responses in the INM176 administered group. Conclusions : This is a preliminary clinical trial result of INM176 as a memory pill. Based on these results, INM176 may be a candidate molecule for the improvement of cognitive functions, including memory, Further clinical trial should demonstrate its efficacy.

      • SCISCIESCOPUS

        Improved Properties of Nanocrystalline Cellulose Isolated from Kraft Pulp by Electron Beam Irradiation

        Kim, Sun-Young,Lee, Byoung-Min,Lee, Yeong-Ju,Kim, Du-Yeong,Jeun, Joon-Pyo,Kang, Phil-Hyun American Scientific Publishers 2016 Journal of nanoscience and nanotechnology Vol.16 No.10

        <P>In this study, we investigated an improvement to the properties of nanocrystalline cellulose (NCC) from kraft pulp using electron beam irradiation (EBI). The EBI of the kraft pulp was performed at various doses (25, 50, and 75 kGy) and then hydrolyzed with 55% sulfuric acid at 50 degrees C (preheated) for 20 min. The hydrolysate of kraft pulp was characterized using X-ray diffraction (XRD), particle size distribution, thermogravimetric analysis (TGA), and transmission electron microscopy (TEM). The NCC of pristine kraft pulp was obtained with a broad size distribution (0-700 nm), an average particle size of 220 nm, and a 75.5% crystallinity index after 20 min of acid-hydrolysisat 50 degrees C. However, isolated NCC from 75 kGy irradiated kraft pulp was obtained with a narrow size distribution (0-530 nm), an average particle size of 160 nm, and 83.2% crystallinity after 20 min of acidhydrolysisat 50 degrees C. These results indicate that the size and crystallinity of NCC were easily controlled by adjusting the EBI dose.</P>

      • 성인 지역사회 폐렴의 원인 미생물에 대한 전향적 다기관 연구 : Legionella, Leptospira, Hantaan virus and Orientia tsutsugamushi

        김민자,정희진,손장욱,심희선,박대원,박승철,우준희,강재명,김유겸,신완식,김양리,이환종,김지희 대한감염학회 2001 감염 Vol.33 No.1

        Background : Despite rigorous investigations, the etiology of community-acquired pneumonia remains unknown in about 50% of hospitalized patients. The diagnosis of the etiological agent is becoming more challenging and more critical as number of newer pathogens have been recognized in recent years. In the 3-year period prospective study we investigated adult patients with community-acquired pneumonia for Legionella, Leptospira, Hantaan virus and Orientia tsutsugamushi as potential etiologic agents. Methods : A prospective multicenter study was performed from May 1997 to April 2000. A total of 431 patients with community-acquired pneumonia under the inclusion criteria were examined for specific microbial diagnosis; sputum culture and PCR, and serologic teats including indirect immunofluorescence antibody (IFA) test for Legionella, and hemagglutination tests for Leptosoira, Hantaan virus and O. tsutsugamushi. Etiologic diagnosis was determined on the basis of the review of case record forms and specific laboratory diagnostic criteria. Results : During the study period a total of 385 sputum and 283 serum samples were examined. Legionella pneumonia was diagnosed in 2.3% (10/431) of the cases examined : 1.4% cases with PCR-positive (5/367) and 2.1% with positive IFA test (6/283). Leptospirosis and scrub typhus were diagnosed in 0.4% (1/252) and 2.0% (5/252), respectively. All 5 cases with scrub typhus occurred in late fall, and rash or eschar was not found. None of cases was Hantaan virus infection. Conclusion : The results suggest that Legionella, Leptospira, and O. tsutsugamushi should be considered in the etiologic diagnosis and empirical antibiotic therapy of community-acquired pneumonia. (Korean J Infect Dis 32:24∼31, 2001)

      • KCI등재

        Effect of Forging Type on the Deformation Heterogeneities in Multi‑Axial Diagonal Forged AA1100

        Min‑Seong Kim,Sang‑Chul Kwon,Sun‑Tae Kim,Seong Lee,Hyo‑Tae Jeong,Shi‑Hoon Choi 대한금속·재료학회 2019 METALS AND MATERIALS International Vol.25 No.3

        The present study investigated the effects that different types of forging exert on the deformation heterogeneities developedin AA1100 during multi-axial diagonal forging. To measure the deformation heterogeneities of deformed workpieces, thevalues for hardness and Kernel average misorientation were measured at the center section following each forging process. Type-D forging that consists of diagonal forging and return-diagonal forging was relatively advantageous compared withType-P forging that includes plane forging and return-plane forging for minimizing the non-uniformity of deformationdeveloped in workpieces. The effective strain developed in a workpiece during the 2 types of forging was simulated using3-D FEA. FEA revealed that the positions and degrees of occurrence for soft and hard-zones in workpieces vary greatlydepending on the forging type. Type-D forging was relatively advantageous compared with Type-P forging for minimizingthe non-uniformity of effective strain developed in workpieces.

      • SCIESCOPUSKCI등재

        Synergistie Effect of Citric Acid and Pediocin K1, a Bacteriocin Produced by Pediococcus sp. K1, on Inhibition of Listeria monocytogenes

        KIM, SOO YEON,LEE, YOUNG MIN,LEE, SUN YOUNG,LEE, YEON SOOK,KIM, JEONG HWAN,AHN, CHEOL,KANG, BYUNG CHEOL,JI, GEUN-EOG 한국미생물 · 생명공학회 2001 Journal of microbiology and biotechnology Vol.11 No.5

        Pediocin K1, a bacteriocin produced by Pediococcus sp. K1 isolated from Korean traditional fermented flatfish, inhibited certain strains of Lactobacillus, Streptococcus, and Listeria monocytogenes. Pediocin K1 was found to be stable at 90℃ for 30 min. Among the organisms tested, Listeria monocytogenes was the most sensitive to pediocin K1 and was completely killed when the initial inoculum size of L. monocytogenes cells was equal to or less than 10^3 CFU/ml. The degree of inhibition of Listeria monocytogenes by pediocin K1 increased 10-fold on the addition of citric acid (0.2%) to the medium, thereby showing the synergistic effect of citric acid. Listeria monocytogenes cells resistant to pediocin K1 appeared at a frequency of about 10^-4/cells. Once developed after exposure to pediocin K1, the resistant phenotype still persisted in the absence of pediocin K1 in successive cultures. This infers that resistance may be attributable to genetic change(s) in the resistant cells.

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