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A report of eight unrecorded UV-resistant bacterial species in Korea isolated in 2018
Kim, Ju-Young,Sathiyaraj, Srinivasan,Subramani, Gayathri,Lee, JinWoo,Maeng, Soo hyun,Jang, Jun Hwee,Lee, Ki-Eun,Lee, Eun-young,Kim, Myung Kyum The National Institute of Biological Resources 2018 Journal of species research Vol.7 No.3
Eight bacterial strains, 18JY8-13, 18JY13-16, 18JY43-7, 18JY12-7, 18JY1-1, 18JY1-7, 18JY15-3, and 18JY7-2 assigned to the phylum Firmicutes were isolated from a variety of soil samples collected in the Jeju Island, Korea. Cells of the eight strains were Gram-positive, aerobic and showed resistant to UV-radiation. Phylogenetic analysis based on 16S rRNA gene sequence revealed that strains 18JY8-13, 18JY13-16, 18JY43-7, 18JY12-7, 18JY1-1, 18JY1-7, 18JY15-3, and 18JY7-2 were most closely related to Bacillus paranthracis(99.9%), Bacillus paramycoides(99.6%), Bacillus australimaris(99.9%), Bacillus wiedmannii (100%), Bacillus halosaccharovorans(99.6%), Bacillus deserti(98.7%), Bacillus cereus (99.8%), and Bacillus albus(100%), respectively. This is the first report of these eight species in Korea.
수술 전 통증자가조절기 교육 프로그램이 수술 후 통증에 미치는 효과 : 일 군병원 환자를 대상으로1
맹순주 ( Maeng Soon-ju ),정은영 ( Jung Eun Young ),권은하 ( Kwon Eun Ha ),정주희 ( Jung Ju Hee ),변지훈 ( Byun Ji Hoon ),송지연 ( Song Ji Yeon ) 국군간호사관학교 군건강정책연구소 2018 군진간호연구 Vol.36 No.2
Purpose: The goal of this study was to examine the effects of a preoperative education program in patients receiving Patient-Controlled Analgesia (PCA) in a Korean military hospital. Methods: This study is nonequivalent control group, non-synchronized design quasi-experimental research. Patients were assigned to either the experimental (n=39) or the control group (n=34). The experimental group was provided with both an intensive preoperative education and a standard postoperative education about PCA while the control group received a standard postoperative education only. Knowledge of pain, knowledge of PCA, attitude to pain and analgesic, and postoperative pain scores at 8, 24, 48 hours were measured through questionnaires. The collected data was analyzed with χ<sup>2</sup>-test, t-test, ANCOVA and Generalized Estimating Equations. Results: Knowledge of pain significantly increased in the experimental group(F=4.47, p=.038) more than it did in the control group. Although knowledge of PCA increased and attitude of pain and analgesic improved in both groups. the gap between the two groups was not statistically significant. Postoperative pain at 8, 24, 48 hours improved in both groups, but the degree was not statistically significant. Conclusion: Intensive preoperative PCA education was effective in increasing knowledge of pain, but did not significantly improve knowledge of PCA, attitude of pain and analgesic, postoperative 8, 24, 48 hours pain score. A further study controlling various factors(e.g. type of anesthesia) and comprehensive pain management program may be needed to improve the attitude of pain and analgesic.
Young Jun Kim,Gaeun Yun,Ju Young Maeng,Hye Ji Jang,Ilsun Yoon,Chang Woo Myung,Choong Kyun Rhee,Youngku Sohn 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.126 No.-
Pure gallium (Ga) is not widely studied for electrochemical CO2 reduction (EC CO2R) due to its low meltingpoint near room temperature. However, in this study, metallic Ga was selected and subjected to ECCO2R under varying conditions of applied potentials, electrolytes, concentrations, and photoirradiation. The results showed that formate, CO, and H2 were the major products produced and were dependenton the conditions used. The introduction of nickel (Ni) on the Ga electrode was found to open up longchain CAC bond coupling Fischer–Tropsch synthesis pathways, resulting in the production of longchainC2-6 hydrocarbons. This research provides new and valuable insights into the use of Ga for electrochemicalCO2 reduction and the development of Ga-based electrocatalysts for CO2 recycling.
Rapid Detection of Food Pathogens Using RNA Aptamers-Immobilized Slide
Maeng, Jin-Soo,Kim, Namsoo,Kim, Chong-Tai,Han, Seung Ryul,Lee, Young Ju,Lee, Seong Wook,Lee, Myung-Hyun,Cho, Yong-Jin American Scientific Publishers 2012 Journal of Nanoscience and Nanotechnology Vol.12 No.7
<P> The purpose of this study was to develop a simple and rapid detection system for foodborne bacteria, which consisted of an optical microscope and its slide chip with artificial antibodies, or RNA aptamers. From an RNA pool, three each RNA aptamers were built by the method of SELEX (systematic evolution of ligands by exponential enrichment) for components of cell wall, LPS (lipopolysaccharide) from E. coli O157:H7, teichoic acid from <I>Staphylococcus aureus</I>and a cell membrane protein of OmpC from <I>Staphylococcus aureus</I>, respectively. These aptamers were hybridized with thiol-conjugated 16 dT-linker molecules in order to be immobilized on silver surface which was, in advance, fabricated on glass slide, using a spin-coating method. To confirm that each aptamers retained its specific binding activities to their antigenic live bacteria, microscopic view of bound cells immobilized on silver film were observed. Furthermore, we observed the fluorescence-emitting bacteria-aptamer complex immobilized on silver film after adding RNA aptamers hybridized with fluorophore, FAM-conjugated 16 dT-linker molecules. As a result, the RNA aptamers-immobilized slide system developed in this study was a useful new tool to rapidly monitor individual food pathogens. </P>
A report of 11 unrecorded bacterial species in Korea isolated in 2017
Maeng, Soohyun,Kim, Ju-Young,Jang, Jun Hwee,Kang, Myung-Suk,Kim, Myung Kyum The National Institute of Biological Resources 2018 Journal of species research Vol.7 No.2
Eleven bacterial strains 17SD2_15, 17Sr1_23, 17SD2_13, 17Sr1_31, 17gy_18, 16B15D, 16B02D, 16B04G, 16B01D, 17U4-2 and 17J28-10 assigned to the phylum Proteobacteria were isolated from soil samples collected from Seoul Women's University, in South Korea. The Belnapia species, strain 17SD2_15 was cocci-shaped and pink-colored. The Methylobacterium species, strain 17Sr1_23, 17SD2_13, 17Sr1_31, and 16B15D were short rod-shaped and pink-colored. The Microvirga species, strain 17gy_18, and 16B02D were short rod-shaped and pink-colored. The Oxalicibacterium species, strain 16B04G was short rod-shaped and pink-colored. The Sphingomonas species, strain 16B01D was short rod-shaped and yellow-colored. The Variovorax species, strain 17U4-2 was cocci-shaped and yellow-colored. The Paracoccus species, 17J28-10 was cocci-shaped and orange-colored. Phylogenetic analysis based on 16S rRNA gene sequence showed that strains 17SD2_15, 17Sr1_23, 17SD2_13, 17Sr1_31, 17gy_18, 16B15D, 16B02D, 16B04G, 16B01D, 17U4-2 and 17J28-10 were most closely related to Belnapia soli (with 99.9% similarity), Methylobacterium gregans (99.1%), Methylobacterium isbiliense (99.6%), Methylobacterium oxalidis (99.9%), Microvirga aerilata (98.7%), Methylobacterium aerolatum (99.0%), Microvirga vignae (100.0%), Noviherbaspirillum canariense (100.0%), Sphingomonas desiccabilis (100.0%), Variovorax humicola (99.6%), and Paracoccus acridae (99.1%), respectively. This is the first report of these eleven species in Korea.
A report of six unrecorded radiation-resistant bacterial species isolated from soil in Korea in 2018
Maeng, Soohyun,Sathiyaraj, Srinivasan,Subramani, Gayathri,Kim, Ju-Young,Jang, Jun Hwee,Kang, Myung-Suk,Lee, Ki-Eun,Lee, Eun-young,Kim, Myung Kyum The National Institute of Biological Resources 2018 Journal of species research Vol.7 No.3
Six bacterial strains 18JY42-3, 18SH, 18JY76-11, 17J11-11, 18JY14-14, and 18JY15-11 assigned to the phylum Proteobacteria, Firmicutes, and Actinobacteria were isolated from soil samples in Korea. The Cohnella species, strain 18JY42-3 was Gram-stain-positive, short rod-shaped and beige-colored. The Methylobacterium species, strains 18SH and 18JY76-11 were Gram-stain-negative, short rod-shaped and pink-colored. The Microterricola species, strain 17J11-11 was Gram-stain-positive, short rod-shaped and yellow-colored. The Paenarthrobacter species, strains 18JY14-14 and 18JY15-11 were Gram-stain-positive, short rod-shaped and white-colored. Phylogenetic analysis based on 16S rRNA gene sequence showed that strains 18JY42-3, 18SH, 18JY76-11, 17J11-11, 18JY14-14, and 18JY15-11 were most closely related Cohnella rhizosphaerae (MH497628; 98.8%), Methylobacterium goesingense (MH497632; 99.1%), Methylobacterium populi (MH497635; 99.9%), Microterricolagilva (MH504108; 98.4%), Paenarthrobacter nicotinovorans (MH497641; 100%), and Paenarthrobacter nitroguajacolicus (MH497646; 99.2%), respectively. All the six unrecorded strains showed resistance to UV radiation. This is the first report of these six species in Korea.