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KMT-2017-BLG-0165Lb: A Super-Neptune-mass Planet Orbiting a Sun-like Host Star
Kil Jung, Youn,Gould, Andrew,Zang, Weicheng,Hwang, Kyu-Ha,Ryu, Yoon-Hyun,Han, Cheongho,Yee, Jennifer C.,Albrow, Michael D.,Chung, Sun-Ju,Shin, In-Gu,Shvartzvald, Yossi,Zhu, Wei,Cha, Sang-Mok,Kim, Dong American Astronomical Society 2019 The Astronomical journal Vol.157 No.2
보문 : 버섯 세균성갈색무늬병원균(Pseudomonas tolaasii)의 분비 독소(tolaasin)를 저해하는 미생물 Pseudomonas sp. HC1
이찬중 ( Chan Jung Lee ),유영미 ( Young Mi Yoo ),한주연 ( Ju Yeon Han ),전창성 ( Chang Sung Jhune ),정종천 ( Jong Chun Cheong ),문지원 ( Ji Won Moon ),서장선 ( Jang Sun Suh ),한혜수 ( Hye Su Han1 ),차재순 ( Jae Soon Cha ) 한국균학회 2013 韓國菌學會誌 Vol.41 No.4
A Gram-negative bacterium was isolated from mushroom media that markedly reduces the level of extracellular toxins (i.e., tolaasins) produced by Pseudomonas tolaasii, the most destructive pathogen of cultivated mushrooms. The HC1 strain was selected as detoxifying tolaasin by bioassay on potato and it was identified Pseudomonas sp. by the cultural, morphological and physiological characteristics, and analysis of the 16S rRNA.. The isolated bacterium is saprophytic but not parasitic nor pathogenic to cultivation mushroom. The isolated bacterium for P. tolaasii cell, was sufficient for detoxification in vitro. Inoculation of the isolated bacterium prevents the development of bacterial disease in Pleurotus ostreatus, Flammunia velutipes and Agaricus bisporus. Control efficacy of brown blotch of strain HC1 treatment was 69, 68 and 55% on Agaricus bisporus, Flammulina velutipes and Pleurotus ostreatus, respectively. The suppressive bacterium may be useful in future for the development of biocontrol system and the construction of genetically modified edible fungi resistant to the disease caused by P. tolaasii.
Han Ah Lee,Hyun Gil Goh,Tae Hyung Kim,Young-Sun Lee,Sang Jun Suh,Young Kul Jung,Hyuk Soon Choi,Eun Sun Kim,Ji Hoon Kim,Hyunggin An,Yeon Seok Seo,Hyung Joon Yim,Sung Bum Cho,Yoon Tae Jeen,Jong Eun Yeon 거트앤리버 소화기연관학회협의회 2020 Gut and Liver Vol.14 No.1
Backgrounds/Aims: Rebleeding of gastric varices (GVs) after endoscopic variceal obturation (EVO) can be fatal. This study was performed to evaluate the usefulness of computed tomography (CT) for the prediction of rebleeding after EVO GV bleeding. Methods: Patients who were treated with EVO for GV bleeding and underwent CT before and after EVO were included. CT images of the portal phase showing pretreatment GVs and feeding vessels, and nonenhanced images showing posttreatment cyanoacrylate impaction were reviewed. Results: Fifty-three patients were included. Their mean age was 60.6±11.6 years, and 40 patients (75.5%) were men. Alcoholic liver disease was the most frequent underlying liver disease (45.3%). Complete impaction of cyanoacrylate in GVs and feeding vessels were achieved in 40 (75.5%) and 24 (45.3%) of patients, respectively. During the follow-up, GV rebleeding occurred in nine patients, and the cumulative incidences of GV rebleeding at 3, 6, and 12 months were 11.8%, 18.9%, and 18.9%, respectively. The GV rebleeding rate did not differ significantly according to the complete cyanoacrylate impaction in the GV, while it differed significantly according to complete cyanoacrylate impaction in the feeding vessels. The cumulative incidences of GV rebleeding at 3, 6, and 12 months were 22.3%, 35.2%, and 35.2%, respectively, in patients with incomplete impaction in feeding vessels, and there was no rebleeding during the follow-up period in patients with complete impaction in the feeding vessels (p=0.002). Conclusions: Abdominal CT is useful in the evaluation of the treatment response after EVO for GV bleeding. Incomplete cyanoacrylate impaction in feeding vessels is a risk factor for GV rebleeding.
Reduced Graphene Oxide/Mesoporous TiO<sub>2</sub> Nanocomposite Based Perovskite Solar Cells
Han, Gill Sang,Song, Young Hyun,Jin, Young Un,Lee, Jin-Wook,Park, Nam-Gyu,Kang, Bong Kyun,Lee, Jung-Kun,Cho, In Sun,Yoon, Dae Ho,Jung, Hyun Suk American Chemical Society 2015 ACS APPLIED MATERIALS & INTERFACES Vol.7 No.42
<P>We report on reduced graphene oxide (rGO)/mesoporous (mp)-TiO<SUB>2</SUB> nanocomposite based mesostructured perovskite solar cells that show an improved electron transport property owing to the reduced interfacial resistance. The amount of rGO added to the TiO<SUB>2</SUB> nanoparticles electron transport layer was optimized, and their impacts on film resistivity, electron diffusion, recombination time, and photovoltaic performance were investigated. The rGO/mp-TiO<SUB>2</SUB> nanocomposite film reduces interfacial resistance when compared to the mp-TiO<SUB>2</SUB> film, and hence, it improves charge collection efficiency. This effect significantly increases the short circuit current density and open circuit voltage. The rGO/mp-TiO<SUB>2</SUB> nanocomposite film with an optimal rGO content of 0.4 vol % shows 18% higher photon conversion efficiency compared with the TiO<SUB>2</SUB> nanoparticles based perovskite solar cells.</P><P><B>Graphic Abstract</B> <IMG SRC='http://pubs.acs.org/appl/literatum/publisher/achs/journals/content/aamick/2015/aamick.2015.7.issue-42/acsami.5b06171/production/images/medium/am-2015-06171k_0007.gif'></P><P><A href='http://pubs.acs.org/doi/suppl/10.1021/am5b06171'>ACS Electronic Supporting Info</A></P>
Pharmacokinetics of a sustained-release bovine somatotropin in lactating cows
Han, Seong-kyu,Park, Jin-bong,Kim, Doo,Park, Sang-kyoon,Lee, Ho-sung,Kim, Seong-nam,Chang, Byoung-sun,Ryu, Pan-dong The Korean Society of Veterinary Science 1999 大韓獸醫學會誌 Vol.39 No.2
Bovine somatotropin is known to improve the growth rate and lactation in cattle. In this study, we examined the concentration-time profiles of a sustained-release formulation of bovine somatotropin (BST) and insulin-like growth factor-1 (IGF-1) in plasma and milk in cows. In addition, the possible effect of co-administrated vitamin ADE complex on the pharmacokinetic parameters of BST and IGF-1 was evaluated. 1. Plasma BST and IGF-1 levels reached the peak at 12~24 and 48 hours after the administration of BST, and plasma half-lives ranged 100 to 137 and 201 to 310 hours, respectively. To 8th day after administration, BST and IGF-1 levels in milk were not significantly different from the control levels. 2. Plasma BST levels showed cyclic pattern with high concentrations in early stage after each injection and following gradual declining during repeated administrations at 2 week intervals, while plasma IGF-1 levels in treated animals did not show such a cyclic pattern, but remained higher than the control levels. 3. Milk BST and IGF-1 levels during repeated treatments were not significantly different from the control levels. 4. Co-administration of vitamin ADE complex yielded slightly increased AUC of plasma BST for high dose group, but such effect was not evident in the IGF-1 levels. Co-administration of ADE complex tended to increase plasma BST levels and decrease the elimination half-life of IGF-1. 5. These results suggest that the BST formulation tested is one of the ideal sustained-release formulation for long term use in dairy industry. As for the co-administration of vitamin ADE complex, the benefit of co-administration with BST is needed to be further evaluated.
Inhibitory Effects of Phylligenin on the Proliferation of Cultured Rat Neural Progenitor Cells
( Sung Hoon Lee ),( Hyo Sang Go ),( Chang Soon Choi ),( Jae Hoon Cheong ),( Sun Young Han ),( Ki Hwan Bae ),( Kwang Ho Ko ),( Seung Hwa Park ) 한국응용약물학회 2010 Biomolecules & Therapeutics(구 응용약물학회지) Vol.18 No.1