http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
지역사회 구강진료기관 치위생사 집단의 직무만족에 관한 조사
허희영,오정숙,성진효,김동기 조선대학교 구강생물학연구소 2002 Oral Biology Research (Oral Biol Res) Vol.26 No.2
This study is intended for suggesting some methods or measures to improve the working environment and dental service consequently by finding out general characteristics and various factors that affects the job satisfaction in the organization according to dental hygienists' job peculiarities and supplying dental hygienists' improvement in quality and good dental treatment with dental hygienists who work in the dental clinics in the community as study objects. In this study, to research and analyze dental hygienists' job satisfaction to improve dental hygienists' job satisfaction and promote efficiency in personnel management, 50 dental clinics where there were more than 5 dental hygienists were chosen at random and 250 dental hygienists who work there were given questionnaires and the questionnaires were analyzed and finally the result was as follows. Firstly, there are some general characteristics. The ages of 2.0~2.5 cover 68% of the dental hygienists. The unmarried occupied 81.2%. The size of the working place is the dental clinic(joint opening of a dental clinic), which occupied 54.2%. Secondly, there is a meaningful difference working ability, a sense of belonging and job stability or potentiality in case of job characteristics according to the marriage or singleness, and the married questionees are higher than the unmarried ones in the average value in all question sections. Thirdly, in case of the working Place that affects dental hygienists' job satisfaction there is a difference in the working region and no difference in the working place. Fourthly, it was found out that the difference between variables according to the region is meaningful. In working ability and job stability or potentiality, there is a meaningful difference according to the region. Lastly, the things that should be improved in the dental clinics are guarantee of job stability or potentiality, harmony in the group, publicity work, geographical conditions, improvement in dental treatment level, degree of reliability and kindness for patients , equipment. and finally hygiene.
Fosfomycin의 항균효과 및 capillary electrophoresis에 의한 측정법에 관한 연구
윤효인,박승춘,이규승,권진욱,조준형,신광순,김무열,허강준,조명행 충남대학교 수의과대학 동물의과학연구소 1996 動物醫科學硏究誌 Vol.4 No.-
Fosfomycin, a low molecular antibiotic, is to be easily synthesized, therefore to be possibly used in veterinary sectors due to econimic reasons. In this study, we determined the antibacterial activities of fosfomycin against some domestic animal-origin pathogens, and its combined effects with some important antibacterials available. We also compared detection methods of fosfomycin from various measuring instruments. The results obtained through this experiment were as follows: 1. Antibacterial activities of fosfomycin against the pathogens used in this experiment were appeared fairly low. We found the antobacterial activities depanded on the kinds of media and the addition of some material thereins, which suggests the importance of appropriate medium so as to judge the antibacterial activity of fosfomycin. 2. Fosfomycin showed varying antibacterial effects in combination with other antibacterials, which should be taken into consideration when combining other antobacterials especially in the clinical settings. Of the combined antivacterials, fosfomycin had synergistic effects in combination with amoxicillin but antagonistic effects with oxytetracyline. 3. Conventional detection methods using HPLC, GC and spectrophotometer were not appropriate to measure fosfomycin. Capillary electrophoresis by the way of the indirect ultraviolet detection method was good enough to detect fosfomycin in the range of expected concentration in tissues, with the limit of quantitation (LOQ) of 1.25 ㎍/㎖. We recommend the eletrophoresis method could be used to detect fosfomycin, thereby being able to set the optimal dosage for animals and providing the measures in relation with the residual concentration in the meat.
Hyo Jin Shin,Eun Jeong Heo,Jin San Moon,Ji Ho Kim,Young Jo Kim,Hyun Jung Park,Yo Han Yoon,Jin Man Kim,Sung Hwan Wee 한국축산식품학회 2011 한국축산식품학회지 Vol.31 No.5
In this study, 543 samples of press hams, sausages, processed ground meat and processed cheese acquired from retail markets in Seoul and Gyeonggi province in Korea from 2005 to 2010 were monitored using a one-step multiplex polymerase chain reaction (PCR) method that involves the amplification of specific soya or maize endogenous genes and the amplification of 35S promoter (p35S) and nopaline synthase terminator (tNOS) for GMO detection. Among the 543 samples, 477 samples were amplified for maize and/or soybean endogenous genes. Although one sausage sample collected in 2008 showed amplification of tNOS, the result was assumed to be false positive based on the results from further tests of other sausage samples of the same brand. Our results demonstrate the absence of GM soya and/or maze of livestock products in the Korean market during 2005-2010. In addition, the one-step multiplex PCR using previously constructed primer sets appears to be useful as a screening method for the detection of GMOs in processed livestock products. However, more specific methods should be established and employed to detect the event-specific GM gene for positive reaction samples by screening tests in processed livestock products.
Shin, Hyo-Jin,Heo, Eun-Jeong,Moon, Jin-San,Kim, Ji-Ho,Kim, Young-Jo,Park, Hyun-Jung,Yoon, Yo-Han,Kim, Jin-Man,Wee, Sung-Hwan Korean Society for Food Science of Animal Resource 2011 한국축산식품학회지 Vol.31 No.5
In this study, 543 samples of press hams, sausages, processed ground meat and processed cheese acquired from retail markets in Seoul and Gyeonggi province in Korea from 2005 to 2010 were monitored using a one-step multiplex polymerase chain reaction (PCR) method that involves the amplification of specific soya or maize endogenous genes and the amplification of 35S promoter (p35S) and nopaline synthase terminator (tNOS) for GMO detection. Among the 543 samples, 477 samples were amplified for maize and/or soybean endogenous genes. Although one sausage sample collected in 2008 showed amplification of tNOS, the result was assumed to be false positive based on the results from further tests of other sausage samples of the same brand. Our results demonstrate the absence of GM soya and/or maze of livestock products in the Korean market during 2005-2010. In addition, the one-step multiplex PCR using previously constructed primer sets appears to be useful as a screening method for the detection of GMOs in processed livestock products. However, more specific methods should be established and employed to detect the event-specific GM gene for positive reaction samples by screening tests in processed livestock products.
Min Jin-Young,Kim Jin Youp,성충만,Kim Seon Tae,조현진,문수진,Cho Sung-Woo,Hong Sang Duk,Ryu Gwanghui,Cho Kyoung Rai,Kim Young Hyo,Park Soo-Kyoung,Kim Dong-Kyu,Lee Dong Hoon,Heo Sung Jae,Lee Ki-Il,Kim Su Jin,Le 대한천식알레르기학회 2023 Allergy, Asthma & Immunology Research Vol.15 No.4
Purpose: Cluster analyses on inflammatory markers of chronic rhinosinusitis (CRS) in Asians from multicenter data are lacking. This multicenter study aimed to identify the endotypes of CRS in Koreans and to evaluate the relationship between the endotypes and clinical parameters. Methods: Nasal tissues were obtained from patients with CRS and controls who underwent surgery. The endotypes of CRS were investigated by measuring interleukin (IL)-5, interferon (IFN)-γ, IL-17A, IL-22, IL-1β, IL-6, IL-8, matrix metalloproteinase-9, eotaxin-3, eosinophil cationic protein, myeloperoxidase (MPO), human neutrophil elastase (HNE), periostin, transforming growth factor-β1, total immunoglobulin E (IgE), and staphylococcal enterotoxin (SE)-specific IgE. We performed hierarchical cluster analysis and evaluated the phenotype, comorbidities, and Lund-Mackay computed tomography (LM CT) score in each cluster. Results: Five clusters and 3 endotypes were extracted from 244 CRS patients: cluster 1 had no upregulated mediators compared to the other clusters (mild mixed inflammatory CRS); clusters 2, 3, and 4 had higher concentrations of neutrophil-associated mediators including HNE, IL-8, IL-17A, and MPO (T3 CRS); and cluster 5 had higher levels of eosinophil-associated mediators (T2 CRS). SE-specific IgE was undetectable in T3 CRS and had low detectable levels (6.2%) even in T2 CRS. The CRS with nasal polyps (CRSwNP) phenotype and LM CT scores showed no significant differences between T2 and T3 CRS, while the incidence of comorbid asthma was higher in T2 CRS than T3 CRS. In T3 clusters, higher levels of neutrophilic markers were associated with disease severity and CRSwNP phenotype. Conclusions: In Koreans, there is a distinct T3 CRS endotype showing a high proportion of CRSwNP and severe disease extent, along with T2 CRS.
산수유의 Prebiotics 특성 및 Lipopolysaccharide로 유도된 장 상피세포 보호 효과
이효림(Hyo Lim Lee),이욱(Uk Lee),박선경(Seon Kyeong Park),강진용(Jin Yong Kang),김종민(Jong Min Kim),김길한(Gil Han Kim),김민지(Min Ji Kim),문종현(Jong Hyun Moon),정혜린(Hye Rin Jeong),박효원(Hyo Won Park),허호진(Ho Jin Heo) 한국식품영양과학회 2021 한국식품영양과학회지 Vol.50 No.5
본 연구에서는 산수유(Corni fructus)의 유익균 증식에 대한 prebiotics로서의 활용 가능성과 LPS로 유도되는 세포독성에 대한 장 상피세포 보호 효과 및 주요 생리활성 물질을 분석하였다. 2% 산수유 물 추출물은 양성대조군인 2% fructo-oligosaccharide보다 L. reuteri 및 L. brevis의 적정산도 및 생육에 도움을 주었으며 특히 L. reuteri의 아세트산 생성을 증가시켰다. 그리고 산수유 물 추출물은 LPS로 유도된 장 상피세포(HT-29 cells) 독성에 대한 보호 효과와 산화적 스트레스를 감소시켜 주었으며, TLR4와 NF-κB의 발현을 효과적으로 저해하고 밀착연접 단백질의 발현은 증가시켜 주었다. HPLC 분석 결과 산수유 물 추출물의 생리활성물질은 morroniside와 loganin으로 확인되었다. 결과적으로 산수유는 유익균 증식과 LPS로 유도되는 세포 손상 및 장 질환 예방 소재로서의 활용 가치가 있을 것으로 판단된다. 하지만 산수유에 존재할 수 있는 미량의 페놀성 화합물동정 및 prebiotics 소재에 대한 평가로서 동물모델 상에서의 추가적인 연구가 필요할 것으로 판단된다. To evaluate the prebiotic effect of water extract from Corni fructus (WCF), we measured the growth curves, titratable acidity and short-chain fatty acid (SCFAs) contents in Lactobacillus reuteri (L. reuteri) and Lactobacillus brevis strains. After 24 h incubation, growth curve of the WCF-treated L. reuteri strain showed a relatively higher viable count and titratable acidity, as compared to the fructo-oligosaccharide (FOS)-treated strain (positive control). Considering that SCFA contents are useful metabolites for gut health, our results revealed higher contents of acetate in the WCF-treated strain (1,235.98±62.71 mM) than the FOS-treated strain (763.57±5.38 mM) of L. reuteri. DCF-DA [intracellular reactive oxygen species (ROS) content] and MTT assays [cell viability on lipopolysaccharide (LPS)-induced cytotoxicity] were applied in human colon epithelial HT-29 cells to determine the cell protective effect of the WCF. The results indicate that WCF effectively decreases the intracellular ROS contents and increases cell viability in LPS-induced HT-29 cells. To confirm the inhibitory effect of WCF on LPS-induced inflammation, we examined the expression levels of toll-like receptor 4 (TLR4) and nuclear factor-ĸB (NF-κB). Regulation of the LPS-induced inflammatory reaction by WCF was achieved by decreasing the expressions of TLR4 and NF-ĸB in HT-29 cells. Exposure to WCF also inhibited the cell permeability injury, as determined by increased expressions of tight junction proteins (occludin and claudin-1) in LPS-induced HT-29 cells, indicating the anti-inflammatory effect of WCF. Finally, morroniside and loganin, the major compound iridoid glycosides in the WCF, were analyzed by high-performance liquid chromatography. Taken together, our results indicate that Corni fructus is a potentially good natural source as a prebiotic to prevent intestinal dysfunction.