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소아에서 단순형 및 천공형의 급성 충수염에 대한 복강경하 충수절제술 적용의 적합성 연구
김미라,정재희,김응국,송영택,Kim, Mee-Ra,Chung, Jae-Hee,Kim, Eung-Kook,Song, Young-Tack 대한소아외과학회 2004 소아외과 Vol.10 No.2
Appendectomy is the most common emergency surgical operation in children. The laparoscopic treatment of pediatric appendicitis is controversial, particularly in complicated cases. The purpose of this study is to evaluate laparoscopic appendectomy (LA) and open appendectomy (OA) for simple and perforated appendicitis (SA, PA) in children. A total of 188 patients, operated from January 1992 to September 2003, were reviewed. Ninety-one patients underwent OA (65 SA and 26 PA) and 97 had LA ( 67 SA, 30 PA). There was one conversion of LA to OA in PA. Operative time for LA was longer for OA in PA (55.8 vs. 45.7 min; p=0.0467). Recovery of bowel movement, diet starting time, length of hospital stay for LA were significantly shorter than those for OA. Postoperative complication rate was not different between LA and OA in each group. Laparoscopic appendectomy is a safe and effective method for both simple and perforated appendicitis.
김세령,김미라,Kim, Se-Ryoung,Kim, Mee-Ra The East Asian Society of Dietary Life 2012 동아시아식생활학회지 Vol.22 No.1
본 연구에서는 오미자 에탄올 추출물의 천연 항균제로서의 이용 가능성을 살펴보기 위하여 식품 위해성 세균에 대한 항균활성을 측정하였다. Paper disc diffusion test와 최소저해 농도(MIC) 측정에서는 오미자 에탄올 추출물이 Listeria monocytogenes, Bacillus cereus, Escherichia coli O157:H7에 대해 큰 생육저해환과 낮은 MIC를 나타내었다. Time-kill assay에서는 L. monocytogenes의 생육이 오미자 에탄올 추출물에 의해 가장 저해되는 것으로 나타났다. 또한 오미자 에탄올 추출물을 처리한 E. coli, E. coli O157:H7, Staphylococcus aureus, Pseudomonas aeruginosa에서는 ${\beta}$-galactosidase와 o-nitrophenyl-${\beta}$-D-galactoside가 높은 반응을 나타냄으로써 오미자 에탄올 추출물로 인해 세포막 손상이 유발됨을 유추할 수 있었다. 또한 E. coli, E. coli O157:H7, P. aeruginosa, Salmonella Typhimurium 등 그람음성균에서는 오미자 에탄올 추출물의 처리 농도가 높을수록 세포구성물의 유출과 세포 외막의 투과성이 증가하는 현상이 나타났다. 시차주사현미경(SEM)과 투과전자현미경(TEM)을 이용하여 관찰한 세포구조에서도 오미자 에탄올 추출물 처리 시 세포막의 부분적인 파괴와 세포 팽윤이 일어난 것을 확인할 수 있었다. 따라서 이들 결과는 오미자 에탄올 추출물이 식품위해성 세균에 대해 높은 항균 활성을 가지고 있으며, 천연 항균소재로서의 이용 가능성이 있음을 보여주었다. This study analyzed the antibacterial activity of the ethanol extract of Schizandra chinensis Baillon against food pathogenic microorganisms to determine its capabilities as a natural antimicrobial agent. A paper disc diffusion test, minimum inhibitory concentration (MIC) determination, and time-kill assay showed that the ethanol extract strongly inhibits the growth of Listeria monocytogenes, Bacillus cereus, Escherichia coli O157:H7, and Pseudomonas aeruginosa. Release of cytoplasmic ${\beta}$-galactosidase was detected in E. coli, E. coli O157:H7, S. aureus, and P. aeruginosa treated with the ethanol extract. An increase of outer membrane permeability caused by the ethanol extract was also observed. An outward flow of cell constituents was detected in the Gram negative strains treated with the ethanol extract. These results imply that the inner and outer membranes of cells were partially destroyed and cell constituents were released by the treatment of the S. chinensis Baillon ethanol extract. The results of this study indicate that ethanol extract of S. chinensis Baillon evidences a fairly good antibacterial effect.
노인들의 건강식품 섭취 실태 및 정보 탐색 행동 관련 요인에 관한 연구
김효정,김미라,Kim, Hyo-Chung,Kim, Mee-Ra 동아시아식생활학회 2007 동아시아식생활학회지 Vol.17 No.4
This study examined the intake patterns and information-seeking behaviors of elderly individuals with regard to health foods, according to sociodemograhic characteristics, awareness of health, and concerns and awareness about health foods. The data were collected from 421 elderly living in Seoul, Busan, Daegue, Daejon, and Gwangju, between January 17th and February 23rd, 2006. Frequencies and chi-square tests were conducted using SPSS Windows. The results are as follows: The respondents were highly concerned about their own health as well as health foods, and individuals primarily took nutritional supplements and glucosamine containing products. In addition, they had taken various health-improving foods. Most had intentionally consumed at least one health food, in order to maintain a condition of health. According to chi-square tests, women were more likely to consume health foods than men. The most important sources of information regarding health foods were family, relatives, and friends. Some respondents answered they had difficulties in obtaining and understanding health food-related information. Many respondents desired to get health food information regarding efficacy from TV, radio, and newspapers, as well as doctors, pharmacists, and dieticians.
Se Ryoung Kim(김세령),Mee Ra Kim(김미라) 동아시아식생활학회 2012 동아시아식생활학회지 Vol.22 No.1
This study analyzed the antibacterial activity of the ethanol extract of Schizandra chinensis Baillon against food pathogenic microorganisms to determine its capabilities as a natural antimicrobial agent. A paper disc diffusion test, minimum inhibitory concentration (MIC) determination, and time-kill assay showed that the ethanol extract strongly inhibits the growth of Listeria monocytogenes, Bacillus cereus, Escherichia coli O157:H7, and Pseudomonas aeruginosa. Release of cytoplasmic β-galactosidase was detected in E. coli, E. coli O157:H7, S. aureus, and P. aeruginosa treated with the ethanol extract. An increase of outer membrane permeability caused by the ethanol extract was also observed. An outward flow of cell constituents was detected in the Gram negative strains treated with the ethanol extract. These results imply that the inner and outer membranes of cells were partially destroyed and cell constituents were released by the treatment of the S. chinensis Baillon ethanol extract. The results of this study indicate that ethanol extract of S. chinensis Baillon evidences a fairly good antibacterial effect.
연구논문 : 지유 에탄올 추출물의 식품 위해성 세균에 대한 항균 활성 및 Salmonella serotype Typhimurium TA100에 대한 항돌연변이 활성 효과
김세령 ( Se Ryoung Kim ),원지혜 ( Ji Hye Won ),김미라 ( Mee Ra Kim ) 한국식품조리과학회(구 한국조리과학회) 2011 한국식품조리과학회지 Vol.27 No.4
This study was performed to analyze the antibacterial activity against food hazardous microorganisms and antimutagenic effects of Sanguisorba officinalis L. ethanol extracts on Salmonella Typhimurium TA100. The antibacterial activity was evaluated by paper disc diffusion assay, minimum inhibition concentration (MIC), and optical density of the culture with the ethanol extract for 24 hr. Antibacterial activity was tested with seven microorganisms including Escherichia coli, Escherichia coli O157:H7, Pseudomonas aeruginosa, Salmonella Typhimurium, Listeria monocytogenes, Bacillus cereus, and Staphylococcus aureus. The paper disc diffusion assay showed distinct clear inhibition zones around the discs treated with the extract for five microorganisms, except Escherichia coli and Escherichia coli O157:H7. MIC values were 0.625-2.5 mg/mL for these five strains that showed clear zones. The time-kill assay was consistent with the results from the paper disc diffusion assay and MIC test. Additionally, antimutagenicity of the extract was determined using the Ames test. The ethanol extract at 5 mg/plate inhibited 72.42% and 89.85% of mutagenicity induced by 4-nitroquinoline 1-oxide and sodium azide, respectively. These results demonstrate that the ethanol extract from S. officinalis L. has remarkable antibacterial activity and antimutagenicity.