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흰 쥐의 감염된 전층피부 결손에서 Iodine의 드레싱 방법에 따른 창상치유 효과의 비교
이종훈,김요한,민경희,홍성희,이원미,채정돈,전진현,Lee, Jong-Hoon,Kim, Yo-Han,Min, Kyung-Hee,Hong, Sung-Hee,Lee, Won-Mi,Chae, Jeong-Don,Jun, Jin-Hyun 대한성형외과학회 2010 Archives of Plastic Surgery Vol.37 No.3
Purpose: Iodine has been used for the prevention or management of wound infection as a topical agent. Although iodine was widely used mainly by Betadine$^{(R)}$ and cadexomer iodine, there was no comparative study on the efficacies of dressing methods of iodine. And also it's wound healing effect was not yet clear. The purpose of this study is to compare antibacterial effects and wound healing effects associated with various dressing methods of iodine on infected full thickness skin defect in the mouse. Methods: One full thickness skin defects in the mice (n=60) were developed on the back and left open for twenty-four hours. Sixty mice were divided into four groups : group S (dressing with Betadine$^{(R)}$ soaking, n=15), group T (dressing with Betadine$^{(R)}$ topping, n=15), group I (dressing with Iodosorb$^{(R)}$, n=15), group G (control group, dressing with dry gauze, n=15). The size of the wound defects and the grades of wound healing were evaluated in 4, 7, 10 days, and antibacterial effect was evaluated with restricted zone in Mueller Hinton agar by disk diffusion method. Results: After the wound was left open for twenty-four hours, many Staphylococcus aureus were cultured. The wound defect size was decreased in order of Betadine$^{(R)}$ soaking, Iodosorb$^{(R)}$, Betadine$^{(R)}$ topping and gauze dressing group in all days, but difference among experimental groups was not statistically significant. The grade score of wound healing was increased in order of Betadine$^{(R)}$ soaking, Iodosorb$^{(R)}$, Betadine$^{(R)}$ topping and gauze dressing group, and the difference was statistically significant. Antibacterial effect for S. aureus was increased in order of Iodosorb$^{(R)}$, Betadine$^{(R)}$ soaking, Betadine$^{(R)}$ topping and gauze dressing group, and the difference was statistically significant. Conclusion: Selection of the effective dressing method of iodine for infected wounds remains a controversial decision. According to this study, Iodosorb$^{(R)}$ may be most effective method for antibacterial effect and Betadine$^{(R)}$ soaking may be most effective method for infected wound healing. However, further study is necessary to evaluate the clinical efficacy of dressing methods of iodine and to search for the mechanisms that explain their effects.
이종훈,최석렬,한상영,황태호,김민찬,정갑중,노미숙,정진숙,Lee Jong Hoon,Choi Seok Ryeol,Han Sang Young,Hwang Tae Ho,Kim Min Chan,Jung Ghap Joong,Roh Mee Sook,Jeong Jin Sook 대한위암학회 2002 대한위암학회지 Vol.2 No.4
Purpose: The cDNA microarray provides a powerful alternative with an unprecedented view in monitoring geneexpression levels and leads to discoveries of regulatory pathways involved in complicated biological processes. Our aim is to explore the different gene-expression patterns in gastric adenocarcinomas. Materials and Methods: By using a cDNA microarray representing 4,600 cDNA clusters, we studied the expression profiling in 10 paired gastric adenocarcinoma samples and in adjacent noncancerous gastric tissues from the same patients. Alterations in the gene-expression levels were confirmed by Vsing Northern blots and reverse-transcription PCR (RT-PCR) in all of 4 randomly selected genes. Results: Genes those were expressed differently in cancer ous and noncancerous tissues were identified. 44 (of which 26 were known) and 92 (of which 43 were known) genes or cDNA were up- and down-regulated, respectively, in more than $80\%$ of the gastric adenocarcinoma samples. In cancer ous tissues, genes related to gene/protein expression, cellcycle regulation, and metabolism were mostly up-regulated whereas genes related to the oncogene/tumor suppressor gene, cell structure/motility, and immunology were mostly down-regulated. The semi-quantitative RT-PCR results for the four genes we tested were consistent with the array findings. Conclusions: These results provide not only a new molecular basis for understanding the biological properties of gastric adenocarcinomas but also a useful resource for future development of therapeutic targets and diagnostic markers for gastric adenocarcinomas.
이종훈(Lee, Chong-Hoon),남기정(Nam, Ki-Jeong),이용식(Lee, Yong-Sik) 한국체육과학회 2012 한국체육과학회지 Vol.21 No.6
The purpose of this study was to compare the physique and fitness to seven-year-old children by gender. The results can also be used not only to set a barometer for the children"s physical development status but also to provide the basic data which required to the field of education. 106 kindergarteners (age: 7 years old, boy: 62, girl: 44) in U city were participated as subjects. Three physique tests height, weight and BMI measurements and five fitness tests such as bending forward, long jump, balance, 25 m shuttle run, and hanging in the horizontal bar were performed to measure physical fitness level. The results of the study were as follows: 1) Gender differences in physique were not found. 2) for fitness comparison between the gender, significant differences were found in flexibility, balance and power. 3) Female has better physical fitness status(flexibility, balance) compared to the male subject.
밀리터리 프레스 시 상완과 몸통의 각도에 따른 삼각근의 근활성도 비교
이종훈(Lee, Chong-Hoon),임성준(Lim, Seong-Joon),정재홍(Jeong, Jae-Hong),남기정(Nam, Ki-Jeong) 한국체육과학회 2018 한국체육과학회지 Vol.27 No.6
The purpose of this study was to analysis of electromyogram of Pectoralis Major and Triceps Brachii during Push-Up Exercise. With these purposes in consideration, a total of 9 male were recruited to participate. The experiment was performed push-up exercise during one minute(with 5 min break-time) while the EMG data was recorded and analyzed. EMG surface electrodes were attached two muscles(Pectoralis Majoj; PM and Triceps Brachii; TB). Results show that there were significant differences between PM and TB during push-up exercise at 120% shoulder width. It is concluded that the push-up exercise at 120% shoulder width is only effective exercise for developing PM.
Virtual LAN 에서 DHCP NAK Loop 방지를 위한 유효 주소 인지 알고리즘
이종훈(Jong-Hoon Lee),김세한(Se Han Kim),이현우(Hyun Woo Lee),김정환(Jeong Hwan Kim),류원(Won Ryu) 한국정보과학회 2002 한국정보과학회 학술발표논문집 Vol.29 No.2Ⅲ
Virtual LAN은 기존의 LAN에 비해 물리적인 네트워크에 대해 브로드캐스트 도메인을 위한 사용자 그룹을 독립적으로 가진다. 그러나 Virtual LAN에서 DHCP를 통한 자동 주소 할당을 하는 경우 브로드캐스트 도메인으로 인한 DHCP의 오동작을 일으켜 주소 할당을 할 수 없게 된다. 본 논문에서는 이와 같은 DHCP의 오동작인 NAK Loop 문제를 알아보고 이를 보완하기 위한 유효 주소 인지 알고리즘을 제시한다. 그리고 그 결과는 실제 실험실 환경에서의 프로토콜 분석기를 이용한 패킷 캡쳐를 통해 보여준다.
등척성 수축 운동 시 실내 온도변화에 따른 대퇴사두근의 근전도 분석
이종훈(Lee, Chong-Hoon),박정호(Park, Jeong-Ho),임동운(Lim, Dong-Woon),남기정(Nam, Ki-Jeong) 한국체육과학회 2019 한국체육과학회지 Vol.28 No.1
The purpose of this study was to analysis of electromyogram of Pectoralis Major and Triceps Brachii during Push-Up Exercise. With these purposes in consideration, a total of 9 male were recruited to participate. The experiment was performed push-up exercise during one minute(with 5 min break-time) while the EMG data was recorded and analyzed. EMG surface electrodes were attached two muscles(Pectoralis Majoj; PM and Triceps Brachii; TB). Results show that there were significant differences between PM and TB during push-up exercise at 120% shoulder width. It is concluded that the push-up exercise at 120% shoulder width is only effective exercise for developing PM.