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엔로플록사신 액제의 닭유래 병원세균에 대한 시험관내 항균효과 시험
윤효인,박병권,조준형,정상희,박경환,장범수,김종춘,황윤환,임종환,이내경,박승춘 충남대학교 수의과대학 동물의과학연구소 2000 動物醫科學硏究誌 Vol.8 No.-
In this study the antimicrobial spectrum and sensitivity of a liquid formulation of enrofloxacin against the major six pathogenic bacteria isolated from the diseased poultry in Korea were evaluated in comparison with ciprfloxacin (CFX), gentamicin (GM) and penicillin (PC). A liquid form of enrofloxacin, a test material and ciprofloxacin showed at least 83% antibacterial activity against all of six test pathogenic microorganisms at the fixed concentration of 10 ㎍/㎖. Gentamicin and penicillin revealed much lower antibacterial activity at the same condition. We evaluated the liquid form of enrofloxacin as having widespread antibacterial spectrum against poultry infections. The liquid form of enrofloxacin showed potent antibacterial activity, with the MIC range being 0.12∼2 ㎍/㎖ against Gram positives, 0.06∼2 ㎍/㎖ against Gram negatives and 0.5∼2 ㎍/㎖ against Mycoplasma spp. These values were equivalent to or somewhat higher than those of ciprofloxacin, but much lower than those of gentamicn and penicillin. This new liquid form of enrofloxacin would find its way in application of mixing with drinking water for the prevention and treatment of diverse infections in chickens.
엔로플록사신 액제의 닭 호흡기 및 소화기 감염증에 대한 예방 및 치료효과
윤효인,박병권,조준형,정상희,박경환,장범수,김종춘,황윤환,임종환,이내경,박승춘 충남대학교 수의과대학 동물의과학연구소 2000 動物醫科學硏究誌 Vol.8 No.-
We evaluated the efficacy of the liquid form of enrofloxacin against poultry respiratory and digestive infections, the major problems in the poultry industry, from diverse diagnosis viewpoints. Results obtained through this study were as follows: 1. The liquid form of enrofloxacin showed good acceptability to poultry owing to no abhorrence to the drug by chickens, which indicated its suitability for mixing in drinking water. 2. The application of the enrofloxacin formulation improved the productivity of the chicken farm to a great extent by lowering the death toll of chicken raised in the farm. 3. The use of the drug shortened the days to the market, and increased the body weight at the time of marketing. 4. Preventive and therapeutic effects of the liquid enrofloxacin were observed higher than ampicillin, a major antibiotic used in poultry farming. From above results, the liquid form of enrofloxacin would find its use for the prevention and treatment of digestive and respiratory infections, let alone the growth promotion and feed efficiency, especially in the chicken farming practice.
Assessment of Soil Compaction Related to the Bulk Density with Land use Types on Arable Land
Hee-Rae Cho,Kang-Ho Jung,Yong-Seon Zhang,Kyung-Hwa Han,Ahn-Sung Roh,Kwang-Rae Cho,Soo-Jeong Lim,Seung-Chul Choi,Jin-il Lee,Yeo-Uk Yun,Byoung-Gu Ahn,Byeong-Ho Kim,Jun-Hong Park,Chan-Yong Kim,Sang-Jo Pa 한국토양비료학회 2013 한국토양비료학회지 Vol.46 No.5
Soil compaction is affected by soil texture, organic matter (OM), strength (ST) and soil moisture, which is difficult to understand the degree and effects of related factors. The purpose of the study is to assess the impact of them on the compaction with bulk density (BD). The analysis was conducted with data collected from national-wide monitoring sites including 105 upland soils, 246 orchard soils, and 408 paddy soils between 2009 and 2012. The distributions of soil physical properties were measured. The correlation and multi linear regression analysis were performed between soil physical properties using SAS. The regression equation of BD(y) includes ST, gravitational water contents (GWC), and OM as variables commonly, having additional factors, clay content and sand content in paddy soil and upland soil for only subsoil (p<0.001). Our results show that the BD could be explained about 40~50% by various physical properties. The regression was mainly determined by ST in orchard and upland soil and by the GWC in paddy soil. To mitigate soil compaction, it is important to maintain the proper level of OM in upland soil and to consider the moisture condition with soil texture in paddy soil when making work plan. Furthermore, it would be recommended the management criteria classified by soil texture for the paddy soils.
Assessment of Soil Compaction Related to the Bulk Density with Land use Types on Arable Land
Cho, Hee-Rae,Jung, Kang-Ho,Zhang, Yong-Seon,Han, Kyung-Hwa,Roh, Ahn-Sung,Cho, Kwang-Rae,Lim, Soo-Jeong,Choi, Seung-Chul,Lee, Jin-Il,Yun, Yeo-Uk,Ahn, Byoung-Gu,Kim, Byeong-Ho,Park, Jun-Hong,Kim, Chan-Y 한국토양비료학회 2013 한국토양비료학회지 Vol.46 No.5
Soil compaction is affected by soil texture, organic matter (OM), strength (ST) and soil moisture, which is difficult to understand the degree and effects of related factors. The purpose of the study is to assess the impact of them on the compaction with bulk density (BD). The analysis was conducted with data collected from national-wide monitoring sites including 105 upland soils, 246 orchard soils, and 408 paddy soils between 2009 and 2012. The distributions of soil physical properties were measured. The correlation and multi linear regression analysis were performed between soil physical properties using SAS. The regression equation of BD(y) includes ST, gravitational water contents (GWC), and OM as variables commonly, having additional factors, clay content and sand content in paddy soil and upland soil for only subsoil (p<0.001). Our results show that the BD could be explained about 40~50% by various physical properties. The regression was mainly determined by ST in orchard and upland soil and by the GWC in paddy soil. To mitigate soil compaction, it is important to maintain the proper level of OM in upland soil and to consider the moisture condition with soil texture in paddy soil when making work plan. Furthermore, it would be recommended the management criteria classified by soil texture for the paddy soils.
Young Dae Yun,Hee Joon Shin,Sung Joong Kim,Sang Wan Lim,Suk Ju Choi,Dong Kyu Seo,Hong Rae Kim,Jung Hee Kim,Joo Sang Lee,Mi Jung Kim,Soon Hee Kim 국제물리치료학회 2010 Journal of International Academy of Physical Ther Vol.1 No.2
The purpose of this study was to analyze and compare the effect of resistance exercise and balance exercise on proprioception and WOMAC index of patients with degenerative knee osteoarthritis. A total of 40 subjects participated in this study. The subjects were diagnosed with degenerative knee osteoarthritis and all were more than 60 years old. They were divided into three groups. Group Ⅰ(n=8) was trained with resistance exercise, Group Ⅱ(n=6) was trained with balance exercise and GroupⅢ(n=6) was trained with range of motion as a control. The results of this study were as follows. It was significantly indicated that the resistance exercise group and balance exercise group elicited error-reduction on proprioception goal-angle (p<.05). There was a statistically significant difference on proprioception between resistance exercise group and control(range of motion) group. There was a statistically significant reduction on WOMAC index between resistance exercise group and balance exercise group (p<.05) and on the WOMAC index between resistance exercise group and range of motion group(p<.05). In conclusion, resistance exercise and balance exercise are effective on degenerative knee osteoarthritis and resistance exercise is the most effective for improving proprioception and WOMAC index. More research on the intervention according to the degree of degenerative knee osteoarthritis is needed.
Ratiometric Detection of Mitochondrial Thiols with a Two-Photon Fluorescent Probe
Lim, Chang Su,Masanta, Goutam,Kim, Hyung Joong,Han, Ji Hee,Kim, Hwan Myung,Cho, Bong Rae American Chemical Society 2011 JOURNAL OF THE AMERICAN CHEMICAL SOCIETY - Vol.133 No.29
<P>We report a ratiometric two-photon probe (SSH-Mito) for mitochondrial thiols. This probe shows a marked blue-to-yellow emission color change in response to RSH, a significant two-photon cross section, good mitochondrial thiol selectivity, low cytotoxicity, and insensitivity to pH over the biologically relevant pH range, allowing the direct visualization of RSH levels in live cells as well as in living tissues at 90–190 μm depth without interference from other biologically relevant species through the use of two-photon microscopy.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/jacsat/2011/jacsat.2011.133.issue-29/ja205081s/production/images/medium/ja-2011-05081s_0001.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/ja205081s'>ACS Electronic Supporting Info</A></P>
A copper(<small>I</small>)-ion selective two-photon fluorescent probe for <i>in vivo</i> imaging
Lim, Chang Su,Han, Ji Hee,Kim, Chang Woo,Kang, Min Young,Kang, Dong Won,Cho, Bong Rae Royal Society of Chemistry 2011 Chemical communications Vol.47 No.25
<P>We report a two-photon fluorescent probe (ACu1) that can be excited by 750 nm femto-second pulses, shows high photostability and negligible toxicity, and can visualize Cu<SUP>+</SUP> distribution in live cells and tissues by two-photon microscopy.</P> <P>Graphic Abstract</P><P>We report a two-photon fluorescent probe (ACu1) that can be excited by 750 nm femto-second pulses and detect Cu<SUP>+</SUP> in the live cells and living tissues at 90–220 μm depth without interference from pH and other biologically relevant species by two-photon microscopy. <IMG SRC='http://pubs.rsc.org/services/images/RSCpubs.ePlatform.Service.FreeContent.ImageService.svc/ImageService/image/GA?id=c1cc11568e'> </P>