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함상근,김홍,강영구,김동현,이영섭 한국산업안전학회 2002 한국안전학회지 Vol.17 No.1
The toxic gases released from a fire can be classified as asphyxiants such as carbon monoxide, and irritants such as hydrochloric acid, etc. It is recognized that the combustion characteristic of interior upholstery is one of the important factors to determine the severity of indoor fires. In this study, several of the mostly used interior upholsteries including wallpaper, veneer board, curtain and floor cover, were selected to be evaluated by using the method of NES 713. The toxicity indices of the experimental samples, which indicate their toxic potentials in a fire were lowered in the order of Wallpaper (Flame Retardant) 8.5 > Floor Cover(Hard) 4.8 > Polyurethane 4.3 > Floor Cover(Soft) 3.5 > PVC 2.8 > Veneer Board 2.3 > Floor Cover(flame retardant) 2.1 > Wallpaper(Promulgation) 1.4 > Curtain 0.9. It is concluded that, among all the tested upholsteries, wallpaper (flame retardant) would release the largest quantity of toxic gases in a fire.
홍성찬,함용기,김영빈,박병근,정동혁,이정윤,권성택 圓光大學校 附設 體力科學硏究所 2003 體力科學硏究 Vol.26 No.2
The purpose of this study is to elucidate the effects of regular swimming exercise on blood lipoprotein metabolism and leptin. In this study, swimming(HRmax 50-75%, 60min/day, 5day/week) was performed and 18 were participated for study during 16 weeks. They were divided into two groups, one group as experimental group(n=9) and the other as control group(n=9). A measured factors were TC, TG, HDL-C, LDL-C and leptin.. All data were expressed as mean± standard deviation by using spss package program(win 9.0), one way anova and independent t-test was used to analyze the difference of exercise duration(0week, 8week, 12week, 16week) between groups. For all statistics performed statistical significance was set at p<.05. After exercise intervention, TC, TG, HDL-C, LDL-C and leptin were found to have more significant effects in the experimental group than control group. This results indicated regular swimming exercise training is beneficial to prevent and treat cardiovascular disease and obesity.
발효 애기똥풀 주정추출물의 항균 및 항산화활성에 있어 발효 균주의 효과
Ham Young-Joo,Shin Young-Keun,Choi Nag-Jin,Kang Sang-Mo 한국유기농업학회 2013 韓國有機農業學會誌 Vol.21 No.3
This study was conducted to investigate the effect of fermentation on biological activity of Chelidonium majus var asiaticum and to screen effective starter culture strains. Antibacterial activity against to Staphylococcus aureus, Listeria monocytogenes and Salmonella gallinarum and antioxidant activity as free radical scavenging activity by using DPPH were tested. Total six starter culture strains, two of Lactobacillus brevis, one of Lactobacillus plantarum and three of Saccharomyces cerevisiae were used. Plant extract was prepared after fermentation by using ethanol. All strains showed normal growth in viable cell counts of fermented cultures and L. plantarum showed the highest cell growth significantly (p
Warming Therapy for Spinal Surgery Patients
Keun Young Ham,Hye Young Ahn,Hye Seon Choi 보안공학연구지원센터 2016 International Journal of Bio-Science and Bio-Techn Vol.8 No.5
This study has tested an infrared radiation surgical gown (IRSG) and a carbon nanofiber thermal pad (CNTP) to verify the potential of these new warming therapies for the prevention of hypothermia in spinal surgery patients. The study is a quasi-experimental study using the non-equivalent control group pretest-posttest design. The study period was from July 14 to November 30, 2014, and subjects were an IRSG group of 28 patients, a CNTP group of 30 patients and a control group of 28 patients who were admitted to E university hospital in D city to have spinal surgery. The collected data were analyzed using PASW Statistics 20.0. χ²-test and ANOVA were used to test homogeneity among the three groups, and ANCOVA was used to measure temperature changes and subjective thermal discomfort in order to verify the effectiveness of the experimental treatments. As a result, from 75 minutes after tube insert (F = 8.142, p = .001) to the time of its removal (F = 36.825, p<.001), esophageal temperatures in the IRSG group and the CNTP group were significantly higher than in the control group. The three groups had significantly high tympanic temperatures with the CNTP group showing the highest temperatures followed by the IRSG and the control group from the time of entering the recovery room (F = 42.820, p<.001) to 30 minutes after (F = 51.966, p<.001). Also the IRSG group and the CNTP group showed significantly low subjective thermal discomfort at 15 minutes after entering the recovery room (F = 6.737, p = .002). The study has confirmed that IRSG and CNTP applied to spinal surgery patients are effective in preventing hypothermia and reducing thermal discomfort during and after surgery. Warming therapy must be provided to patients undergoing spinal surgery under general anesthesia, and hopefully, IRSG and CNTP will be used as an independent nursing intervention.
김동순,심영수,김건열,박인애,조혜제,함의근,한성구,방영주,김준우,한용철 대한내과학회 1987 대한내과학회지 Vol.33 No.6
Eosinophilic granuloma is a rare disease characterized by proliferation of mononuclear cells and admixture of mature eosinophils. Rarely are the lungs the primary site of involvement. We report 2 cases of pulmonary eosinophilic granulama, manifested as diffuse interstitial lung disease coexisting with diabetes insipidus. The diagnosis was verified after open lung biopsy.
박용순(Yong Soon Park),최우봉(Woo Bong Choi),함정식(Jung Sik Ham),장재영(Jae Young Jang),이영홍(Young Hong Lee),김진오(Jin Oh Kim),조영덕(Young Deok Cho),봉형근(Hyung Keun Bong),김연수(Yun Soo Kim),조주영(Joo Young Cho),이준성(Joon S 대한내과학회 1997 대한내과학회지 Vol.53 No.2
N/A Objectives: To determine accurate diagnosis and proper treatment, we reviewed colonoscopic and histologic findings of flat adenoma of colon, Methods: We studied retrospectively 2148 cases of colonoscopic findings performed in our hospital from March of 1993 to September of 1995. Results: 1) The incidence of adenoma is 9.5%(203 cases), and that of flat adenoma is 1.6%(34 cases). 2) The location of flat adenoma is 3 cases in rectum(8.8%), 15 cases in sigmoid colon(44.1%), 9 cases in descending colon(26.5%), 3 cases in transverse colon(8.8%) and 4 cases in ascending colon and cecum(11.8%). 3) The diameter of flat adenoma was smaller than 5mm in 17 cases(50.0%), between 5-10mm in 8 cases(23.5%) and larger than 10mm in 9 cases (26.5%). Mean size was 9.2mm. 4) In colonoscopic features, type IIa was 25 cases (73.5%), type IIa + IIc was 5 cases(14.7%) and lateral spreading tumor was 4 cases(11.8%). 5) In histologic findings, tubular adenoma was 26 cases(76.5%), tubulovillous adenoma was 6 cases (17.6%) and serrated adenoma was 2 cases(5.9%). 6) The incidence of severe dysplasia or carcinoma was zero in smaller than 5mm, 25.0%(2 case) in 5-10mm and 55.6%(5 cases) in larger than 10mm. 7) The incidence of severe dysplasia or carcinoma was 11.5%(3 cases) in tubular adenoma and 66.7%(6 cases) in tubulovillous adenoma. 8) It was confirmed by abdominal CT scan or operation that lesions were limited to intraepithelium in 4 cases, mucosa in 2 cases submucosa in 1 case and no lymph node metastasis in any case. Conclusion: Even though flat adenoma of colon was smaller than polypoid adenoma, the incidence of malignant change was higher. When it was smaller than 10mm, the incidence of submucosal invasion or lymph node invasion was rare. Therefore endoscopic mucosal resection(EMR) can be the treatment of choice in flat adenoma smaller than 10mm, and after EMR, it is desirable to decide the treatment modality depending on the histologic findings.
Ham, Woo Seung,Kim, Min Kyung,Gim, Ji Seok,Lee, Ji Sung,Wu, Jun Hua,Lee, Kyu Back,Kim, Young Keun IEEE 2015 IEEE transactions on magnetics Vol.51 No.11
<P>Though enzyme-linked immunosorbent assay is widely used in laboratory medicine, it has limitations due to interactions between enzymes and secondary antibodies. Here, we propose a new cardiac assay scheme for detecting troponin I antigens based on La(1-x)SrxMnO3 (x = 0.10, 0.15, and 0.25) nanoparticles (NPs). These NPs are synthesized via a modified polyol process followed by heat treatment. An increase in x induces changes in crystal structure and increases both Curie temperature and saturation magnetization. The NPs with x = 0.15 exhibit a Curie temperature close to the human body temperature. The limit of detection is found to be 0.78 ng/mL. We also confirm that LaSrMnO NPs are reusable after heating the assay plate.</P>