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NO2 Gas Sensing Properties of ZnO/ZnS Core-shell Nanowires
문영호,박성훈,Hyunsung Ko,이종무,이상민 한국물리학회 2013 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.63 No.8
ZnO/ZnS core-shell nanowires were synthesized by using the thermal evaporation of a mixtureof ZnO and graphite powders followed by the thermal evaporation of ZnS powder. Then, multiplenetworked ZnO/ZnS core-shell nanowire gas sensors were fabricated. The morphology, crystalstructure, and sensing properties of the ZnO/ZnS core-shell nanowires to NO2 gas at 300℃ wereexamined. The responses of the ZnO/ZnS core-shell nanowires to NO2 gas were 2.0 - 2.6 fold highercompared to those for ZnO nanowires at NO2 concentrations ranging from 1 to 5 ppm. In addition,the underlying mechanism for the enhanced gas-sensing properties of ZnO/ZnS core-shell nanowiresfor NO2 gas is discussed.
부정항암탕(扶正抗癌湯) 추출액이 Diethylnitrosamine과 CCl<sub>4</sub>로 유발된 흰쥐의 간암 형성 및 간경화에 미치는 영향
문영호,원진희,문구,허래경,성기문,이인영,장명준,권소연,유덕선,Moon, Young-Ho,Won, Jin-Hee,Moon, Goo,Heo, Rae-Kyong,Seung, Kee-Moon,Lee, In-Young,Jang, Myung-Joon,Kwon, So-Yeon,Yu, Deok-Seon 대한약침학회 2010 Journal of pharmacopuncture Vol.13 No.2
Objective : Bujeonghangam-tang(BH) has been used for cure of tumor as a traditional medicine. This study was carried out to clarify the effect of BH extract on hepatocellular carcinogenesis and hepatic cirrhosis induced by Diethylnitrosamine(DENA) and $CCl_4$ in Rats. Method : Experimental groups were divided into two, 8th and 12th week groups, and subdivided into four; normal group(Nor), cirrhosis and hepatic cancer inducing control group(Con), and BH extract 320 mg/kg/day(BHA) or 640 mg/kg/day(BHB) administered groups to Con. Results: In the 8th week group: The body weight decreased significantly in Con compared with the Nor. The activities of transaminase, alkaline phosphatase(ALP), and lactacte dehydrogenase(LDH) were significantly increased(p<0.05) in the Con compared with Nor, but decreased in the BHA and BHB compared with Con. Alpha fetoprotein(AFP) were the most increased in the Con compared to BHA and BHB. The results of light microscopical observation, a number of hepatocytes were damaged in the Con compared with Nor and BH extract administerd groups. The number of hepatic p53 positive cells was reduced in the BH extract administered groups. According to the electron microscopical observation, hepatocarcinoma cells were observed distinctly in the Con compared with BH extract administered groups. In the 12 weeks group: The results of body were similar to 8th week groups. The activities of transaminase and ALT were significantly increased(p<0.05) in the Con compared with Nor. LDH was significantly(p<0.05) increased in the Con compared with Nor but significantly (p<0.05) decreased in the BHB. Alpha fetoprotein(AFP) were the most increased in the Con among ex perimental groups. The activities of superoxide dismutase(SOD) were significantly (p<0.05) increased in the Con, but the activities of catalase were not increased(p<0.05) compared with Nor. The number of hepatic p53 positive cells was increased in the Con. The results of electron microscopical observation were similar to 8th week groups. Conclusion : These results suggest that ad ministration of BH extract suppress or retard DENA and $CCl_4$-induced hepatocellular carcinogenesis and hepatic cirrhosis in rats.
문영호,Mun, Yeong-Ho 한국과학기술정보연구원 2004 지식정보인프라 Vol.13 No.-
최근 정보와 지식의 폭발적인 증가, 인터넷과 IT 기술의 발달로 어떻게 하면 핵심적인 정보를 찾아내고 그러한 지식이 어떻게 발전할 것인지에 대한 연구의 일환으로 semantic web, DB mining 등의 다양한 연구가 진행되고 있다. 이를 위해서 ontology 등 지식의 구조화작업 등이 큰 관심을 끌고 있다. 또 이러한 지식을 디지털 화하고 계량화해서 새로운 지식을 창출하는 방법들인 informatics, informetrics 등의 분야도 급속히 관심을 끌고 있다.
문영호 대한한방내과학회 2022 大韓韓方內科學會誌 Vol.43 No.3
Objectives: This study aimed to report on a systemic sclerosis patient diagnosed with Yulgyuk and Banui syndrome improved by Korean medical treatment. Methods: We treated a 70-year-old woman who had swallowing disorders and frequent vomiting caused by systemic sclerosis with herbal medicine and acupuncture treatment for six months. Treatment was evaluated with a numerical rating scale (NRS). Results: After treatment, swallowing disorders and frequent vomiting decreased. The NRS decreased from 8 to 3. Conclusions: This case suggests that Korean medical treatment was effective for alleviating a swallowing disorder and frequent vomiting caused by systemic sclerosis as a conservative treatment.