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An outbreak of type C botulism in waterbirds: incheon, Korea.
Shin, Na-Ri,Byun, Seong Hwan,Chun, Jeong Hoon,Shin, Jeong Hwa,Kim, Yun Jeong,Kim, Jeong-Hee,Rhie, Gi-Eun,Chung, Hyen Mi,Mo, In-Pil,Yoo, Cheon-Kwon [Wildlife Disease Association] 2010 JOURNAL OF WILDLIFE DISEASES Vol.46 No.3
<P>Five outbreaks of botulism in waterbirds were encountered over a 5-yr period from 2004 to 2008 in Korea. In October 2008, an outbreak of avian type C botulism affected approximately 2,000 wild waterbirds in the Namdong flood control basin, Incheon, South Korea. Ecologic conditions, clinical signs exhibited by moribund birds, and lack of gross pathology and microbial evidence of infectious disease, suggested botulinum intoxication. Type C botulinum toxin was demonstrated in duck sera, liquid culture of intestinal tissue, and an extract of maggots taken from the carcasses. Additionally, 34 of 40 (85.0%) sediment samples from the same area were positive for botulinum toxin by mouse bioassay using multivalent (types A-F) antiserum, indicating that toxigenic Clostridium botulinum was present in the environment. This is the most severe case of avian botulism documented in Korea.</P>
Tropicimonas sediminicola sp. nov., isolated from marine sediment
Shin, Na-Ri,Roh, Seong Woon,Kim, Min-Soo,Yun, Bora,Whon, Tae Woong,Kim, Young-Ok,Bae, Jin-Woo Microbiology Society 2012 International journal of systematic and evolutiona Vol.62 No.10
<P>A novel Gram-negative, obligately aerobic, non-motile, rod-shaped bacterium, strain M97<SUP>T</SUP>, was isolated from marine sediment of a cage-cultured ark clam farm on the south coast of Korea. Strain M97<SUP>T</SUP> was positive for oxidase and catalase. Optimal growth occurred at 37 °C, with 1-2 % (w/v) NaCl and at pH 7-8. The main cellular fatty acids were C16 : 0, C18 : 1ω7<I>c</I>, C12 : 0 3-OH and cyclo-C19 : 0ω8<I>c</I>. The polar lipids comprised diphosphatidylglycerol, phosphatidylglycerol, phosphatidylcholine, an unknown aminolipid and three unknown lipids. The predominant respiratory quinone was ubiquinone-10 (Q-10). Phylogenetic analyses based on 16S rRNA gene sequences revealed that strain M97<SUP>T</SUP> belongs to the genus <I>Tropicimonas</I>, with highest sequence similarity to <I>Tropicimonas aquimaris</I> DPG-21<SUP>T</SUP> (99.0 %). The DNA G+C content of strain M97<SUP>T</SUP> was 68.5 mol%. Mean DNA-DNA relatedness between strain M97<SUP>T</SUP> and <I>T. aquimaris</I> DPG-21<SUP>T</SUP> was 46±10 %. Based on phylogenetic, phenotypic and genotypic analyses, strain M97<SUP>T</SUP> is considered to represent a novel species of the genus <I>Tropicimonas</I>, for which the name <I>Tropicimonas sediminicola</I> sp. nov. is proposed. The type strain is M97<SUP>T</SUP> ( = KACC 15544<SUP>T</SUP> = JCM 17731<SUP>T</SUP>).</P>
GO-44 : Prognostic value of pre-treatment Hb level in patients with early cervical cancer
( Na Ri Shin ),( Yoo Young Lee ),( Kyoung A Lee ),( Seung Hyun Kim ),( Ji Young Kim ),( Chel Hun Choi ),( Tae Joong Kim,),( Jeong Won Lee ),( Duk Soo Bae ),( Byoung Gie Kim ) 대한산부인과학회 2012 대한산부인과학회 학술대회 Vol.99 No.-
The purpose of this study is to investigate the prognostic role of pre-treatment anemia in patients with early cervical cancer who underwent radical hysterectomy In this study, we retrospectively enrolled patients with early cervical cancer (FIGO stage IB to IIA) who were treated at Samsung Medical Center, Seoul, Korea, from 1996 to 2007. We retrospectively enrolled 805 patients. Median pre-treatment Hb level was 12.8 g/dL (4.0-16.9) in all patients. 99 out of 805 patients had pre-treatment anemia (12.3%). Pre-treatment anemia was significantly associated with large tumor size, advanced clinical stage, and parametrial invasion. In multivariate analysis, higher pre-treatment Hb entailed better prognostic significance in disease free survival (HR, 0.88; 95% CI, 0.078-0.99) but not in overall survival (HR, 0.94; 95% CI, 0.80-1.10). In conclusion, we found that the negative association between pre-treatment Hb level and tumor size and the impact of anemia before treatment on disease free survival adjusted for other factors including clinical stage and pathological findings in early stage cervical cancer.
( Na-ri Shin ),( Jun-seon Choi ) 한국치위생학회(구 한국치위생교육학회) 2019 한국치위생학회지 Vol.19 No.3
Objectives: The study aimed to analyze the factors affecting the maturity of dental biofilm, which was assessed with quantitative light-induced fluorescence-digital(QLF-D), in a sample of Korean older adults. Methods: This cross-sectional study included 67 participants, aged 65 years and older. All participants completed a questionnaire and tests to measure their manual dexterity and handgrip strength, which are parameters that indicate hand function abilities. To evaluate dental biofilm maturity, 804 surfaces of six index teeth were imaged using QLF-D and then quantified as ΔR values. All data were collected from May 25, 2017 to April 30, 2018. The independent t-test, one-way analysis of variance, and step-wise multiple linear regression were performed to analyze the factors associated with the maturity of dental biofilm (ΔR). Results: The multivariate linear regression analysis revealed that the factor most strongly related to dental biofilm maturity(ΔR) was manual dexterity (β=-0.326), followed by handgrip strength (β=-0.303) and use of interdental cleaning devices (β=-0.283) (p<0.05). Conclusions: Manual dexterity, handgrip strength, and use of interdental cleaning devices are factors that can predict dental biofilm maturity in adults aged 65 years or older. Therefore, the hand function of a patient should be evaluated first, before assessing the oral hygiene status of the patient or providing him/her with oral health education, and the dental hygienist should provide differentiated oral hygiene care depending on the patient’s hand function ability. Finally, dental hygienists should help older adults to recognize the importance of auxiliary oral hygiene devices such as interdental brushes and keep motivating them to use the devices more frequently.
Oceanisphaera sediminis sp. nov., isolated from marine sediment
Shin, Na-Ri,Whon, Tae Woong,Roh, Seong Woon,Kim, Min-Soo,Kim, Young-Ok,Bae, Jin-Woo Microbiology Society 2012 International journal of systematic and evolutiona Vol.62 No.7
<P>Two strains, designated TW92<SUP>T</SUP> and TW93, were isolated from marine sediment collected from the south coast of Korea. Cells of both strains were Gram-staining-negative, coccus-shaped, aerobic, motile and catalase- and oxidase-positive. Strain TW92<SUP>T</SUP> grew optimally in the presence of 2 % (w/v) NaCl (range 1-5 %) while strain TW93 grew optimally in the presence of 1 % (w/v) NaCl (range 0-12 %), and both strains had an optimal growth temperature of 30 °C (range 4-37 °C). Strains TW92<SUP>T</SUP> and TW93 had the same optimum pH (pH 7), but differed in their ability to grow at pH 10. Phylogenetic analysis based on 16S rRNA gene sequence similarity showed that strains TW92<SUP>T</SUP> and TW93 were most closely related to <I>Oceanisphaera donghaensis</I> BL1<SUP>T</SUP>, with 98.8 % and 98.7 % similarity, respectively. Pairwise similarity between the 16S rRNA gene sequences of strains TW92<SUP>T</SUP> and TW93 was 99.9 %. The major fatty acids of both strains were summed features 3 (comprising C16 : 1ω7<I>c</I>/iso-C15 2-OH), C16 : 0 and C18 : 1ω7<I>c</I>. Both strains possessed the ubiquinone Q-8 as the predominant respiratory quinone and phosphatidylethanolamine, phosphatidylglycerol and diphosphatidylglycerol as the polar lipids. The genomic DNA G+C contents of strains TW92<SUP>T</SUP> and TW93 were 58.5 and 59.6 mol%, respectively. Genomic relatedness values based on DNA-DNA hybridization of strains TW92<SUP>T</SUP> and TW93 with related species were below 47 % and 31 %, respectively. DNA-DNA hybridization values between strains TW92<SUP>T</SUP> and TW93 were above 85 %. On the basis of a taxonomic study using polyphasic analysis, it is proposed that the two isolates represent a novel species, <I>Oceanisphaera</I><I>sediminis</I> sp. nov., with strain TW92<SUP>T</SUP> ( = KACC 15117<SUP>T</SUP> = JCM 17329<SUP>T</SUP>) as the type strain and strain TW93 ( = KACC 15118 = JCM 17330) as an additional strain.</P>
Prognostic value of pretreatment hemoglobin Level in patients with early cervical cancer
( Na Ri Shin ),( Yoo Young Lee ),( Seung Hyun Kim ),( Chel Hun Choi ),( Tae Joong Kim ),( Jeong Won Lee ),( Duk Soo Bae ),( Byoung Gie Kim ) 대한산부인과학회 2014 Obstetrics & Gynecology Science Vol.57 No.1
Objective The purpose of this study is to investigate the prognostic role of pretreatment anemia in patients with early cervical cancer who underwent radical hysterectomy. Methods In this study, we retrospectively enrolled patients with early cervical cancer (International Federation of Obstetrics and Gynecology stage IB to IIA) who were treated at Samsung Medical Center, Seoul, Korea, from 1996 to 2007. Results We retrospectively enrolled 805 patients. Median pretreatment hemoglobin (Hb) level was 12.8 g/dL (4.0?16.9) in all patients. Ninety-ninth out of 805 patients had pretreatment anemia (12.3%). Pretreatment anemia was significantly associated with large tumor size, advanced clinical stage, and parametrial invasion. In multivariate analysis, higher pretreatment Hb entailed better prognostic significance in disease free survival (hazard ratio [HR], 0.88; 95% confidence interval [CI], 0.078?0.99) but not in overall survival (HR, 0.94; 95% CI, 0.80?1.10). Conclusion In conclusion, we found that the negative association between pretreatment Hb level and tumor size and the impact of anemia before treatment on disease free survival adjusted for other factors including clinical stage and pathological findings in early stage cervical cancer.