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Seo,,Yong-Ho,Bae,,Eun-Bin,Kim,,Jung-Woo,Lee,,So-Hyoun,Yun,,Mi-Jung,Jeong,,Chang-Mo,Jeon,,Young-Chan,Huh,,Jung-Bo The Korean Academy of Prosthodonitics 2016 The Journal of Advanced Prosthodontics Vol.8 No.4
PURPOSE. The aim of this study was to evaluate the clinical findings and patient satisfaction on implant overdenture designed with Locator implant attachment or Locator bar attachment in mandibular edentulous patients. MATERIALS AND METHODS. Implant survival rate, marginal bone loss, probing depth, peri-implant inflammation, bleeding, plaque, calculus, complications, and satisfaction were evaluated on sixteen patients who were treated with mandibular overdenture and have used it for at least 1 year (Locator implant attachment: n=8, Locator bar attachment: n=8). RESULTS. Marginal bone loss, probing depth, plaque index of the Locator bar attachment group were significantly lower than the Locator implant attachment group (P<.05). There was no significant difference on bleeding, peri-implant inflammation, and patient satisfaction between the two denture types (P>.05). The replacement of the attachment components was the most common complication in both groups. Although there was no correlation between marginal bone loss and plaque index, a significant correlation was found between marginal bone loss and probing depth. CONCLUSION. The Locator bar attachment group indicates lesser marginal bone loss and need for maintenance, as compared with the Locator implant attachment group. This may be due to the splinting effect among implants rather than the types of Locator attachment.
To understand the mechanical properties of fault rocks, data from 584 in situ and laboratory tests on fault rocks from 33 tunnels were analyzed. The unit weights of the fault rocks range from 17.3 to 28.2 kN/㎥ and the cohesion and friction angles vary from 5 to 260 kPa and 14.7˚ to 44.0˚, respectively. The modulus of deformation and elasticity were generally < 200 MPa. In most cases, the uniaxial compressive strength was < 0.5 MPa, and Poisson`s ratios were mainly 0.20-0.35. The mechanical properties of individual rock types were analyzed using box plots, revealing that the cohesion values and friction angles of shale and phyllite have relatively wide inter-quartile ranges and that the modulus of deformation and elasticity of shale have the lowest values of all rock types. In the analysis of mechanical properties by components of fault rocks, the largest values were shown in damage zones of individual rock types.
BACKGROUND: The aim of this study is to determine the clinical outcomes of early vancomycin administration before identification of methicillin-resistant Staphylococcus aureus (MRSA) in patients with nosocomial pneumonia on a ventilator. METHODS: We retrospectively reviewed patients with nosocomial pneumonia in a 20-bed medical ICU during a period of 2 years and 2 months. This study included 52 inpatients, who were admitted for more than 72 hr and had a new or progressive lung infiltrate plus at least two of the following three criteria for pneumonia: abnormal body temperature (>38oC or 10,000/mm3 or
Reactive oxygen species (ROS) is toxic to living organisms, because its high reactivity causes oxidative damage to proteins, nucleic acids, and lipids. Superoxide dismutase (SOD) is an enzyme facilitating the removal of superoxide anions from living organisms. This study focused on the cloning of MnSOD cDNA from Hyphantria cuneaand its induction upon bacterial infection and various stresses. The open reading frame of MnSOD is composed of 645 bp, encoding 215 amino acid residues. The theoretical molecular mass and pI of putative MnSOD was evaluated to be 24276 Da and 9.14, respectively. The MnSOD from H. cunea is highly similar to human MnSOD (59.5%) as well as Bombyx mori MnSOD (76.2%). MnSOD showed no big induction upon bacterial infection and stresses, compared to that of Cu/ZnSOD.
Primary community-associated methicillin-resistant Staphylococcus aureus (CA-MRSA) endocarditis has rarely been reported in healthy individuals without risk factors, such as skin and soft tissue infections, and intravenous drug abuse. We describe a case of infective endocarditis by CA-MRSA (ST72-PVL negative-SCCmec IVA) in previously healthy individuals with no underlying medical condition and CA-MRSA colonization in the family.
Carotenoids such as $\beta$-carotene and astaxanthin are used as food colorants, animal feed supplements and for nutritional and cosmetic purposes. In a previous study, an astaxanthin biosynthesis gene cluster was isolated from the marine bacterium, Paracoccus haeundaensis. Geranylgeranyl pyrophosphate (GGPP) synthase (CrtE), encoded by the ortE gene, catalyzes the formation of GGPP from farnesyl pyrophosphate (FPP), which is an essential enzyme for the biosynthesis of carotenoids in early steps. In order to study the biochemical and enzymatic characteristics of this important enzyme, a large quantity of purified GGPP synthase is required. To overproduce GGPP synthase, the crtE gene was subcloned into a pET-44a(+) expression vector and transformed into the Escherichia coli BL21(DE3) codon plus cell. Transformants harboring the crtE gene were cultured and the crtE gene was over-expressed. The expressed protein was purified to homogeneity by affinity chromatography and applied to study its biochemical properties and molecular characteristics.
Reactive oxygen species (ROS) is toxic to living organisms, because its high reactivity causes oxidative damage to proteins, nucleic acids, and lipids. Superoxide dismutase (SOD) is an enzyme facilitating the removal of superoxide anions from living organisms. This study focused on the cloning of MnSOD cDNA from Hyphantria cunea and its induction upon bacterial infection and various stresses. The open reading frame of MnSOD is composed of 645 bp, encoding 215 amino acid residues. The theoretical molecular mass and pI of putative MnSOD was evaluated to be 24276 Da and 9.14, respectively. The MnSOD from H. cunea is highly similar to human MnSOD (59.5%) as well as Bombyx mori MnSOD (76.2%). MnSOD showed no big induction upon bacterial infection and stresses, compared to that of Cu/ZnSOD.