10 research outputs found

    Correlative Analysis of TOEFL IBT Scores of Listening Skill Versus Scores of Business English Speaking Skill Among Binus University Sophomores

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    Article found out whether BINUS university sophomore\u27s TOEFL iBT scores of Listening skill are correlated with those of speaking skill. The research project was expected to result in the best teaching technique of delivering conversational tasks at BINUS University by using alternative approaches of integrated, isolated, or mixed skills. The research project applied the descriptive approach of quantitative method, and thus depends on numerical data. The research project examined the set of data under two skills of the same class groups, which were to compare the listening scores with the speaking ones. Then, the degree of correlation of the two skills was tested so as to find its significance. Interpretation and explanation of data was made based on the statistical results by using correlation research analysis. Based on the statistical results, the listening scores significantly correlated with those of the speaking skill, and there is a moderately linear relationship between these paired scores

    Additional file 2: Figure S2. of A study to compare the efficacy of polyether ether ketone rod device with titanium devices in posterior spinal fusion in a canine model

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    Schematic diagram of the novel posterior spinal arthrodesis demonstrates the position of split bone and the site of bone graft. (Adapted from [12]). (TIF 912 kb

    Preparation of High Pore Volume Pseudoboehmite Doped with Transition Metal Ions through Direct Precipitation Method

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    Mesoporous pseudoboehmite with novel pore properties was prepared via the direct precipitation method using aluminum nitrate nonahydrate as the inorganic alumina precursor and different surfactants containing bis (2-ethylhexyl) sulfosuccinate sodium salt (AOT), cetyltrimethylammonium bromide (CTAB), and tert-octylphenoxypolyethoxyethanol (Triton X-100) as the structure-directing agents. The as-synthesized mesoporous products were characterized by wide-angle X-ray diffraction (XRD) and transmission electron microscope (TEM) imaging. Pure pseudoboehmite could be obtained when the final pH was between 8 and 10.5, and the presence of different surfactant micelles played an important role in the morphology and growth of pseudoboehmite. In addition, the pore properties could be enhanced significantly by the presence of transition metal ions. Particularly, when nickel nitrate was added to the aluminum nitrate solution at the molar ratio of 0.0040, the specific surface area, the pore volume, and the average pore diameter of pseudoboehmite reached significantly large values of 381 m<sup>2</sup>/g, 1.18 cm<sup>3</sup>/g, and 9 nm, respectively

    Loss-of-function study.

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    <p>New bone formation was significantly reduced at the fracture sites of the anti–SDF-1 antibody- and AMD3100-treated mice in comparison with the specimens treated with PBS on days 14 and 7, respectively. Stained with hematoxylin and eosin.</p

    In vitro chemotaxis assay.

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    <p>10 ng/ml rMuSDF-1 induced the migration of mouse BMSCs by 96%, and 100 ng/ml rMuSDF-1 by 254%. The effect was reduced after treated with AMD3100. Values are the mean and SD results from 4 independent experiments (*P<0.05; **P<0.001).</p

    Immunohistochemical staining for SDF-1 in groups TBI/fracture and fracture only on day 2 after surgery.

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    <p>The expression of SDF-1 was observed in both groups. High expression of SDF-1 protein was detected at the surrounding tissue of the damaged bone in the TBI/fracture group.</p

    X-ray radiographs of fractured femur in fracture and TBI/fracture groups.

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    <p>At 14 days after fracture, the fracture line was visible in all groups. The callus became dense and callus formation at the fracture site in TBI/fracture group occurred more rapidly than those of the fracture group, whereas callus formation was minimal by the inhibition of SDF-1.</p

    The expression levels of CXCR4 protein were analysed by Western blot.

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    <p>The band of CXCR4 protein was obviously weaker in cells at passage 3 than those of cells at 21passages in culture.</p

    Time course of <i>CXCR4</i> mRNA expression in TBI/fracture and fracture only models, as analyzed by real-time quantitative polymerase chain reaction (PCR) (n = 4 at each time point).

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    <p>CXCR4 mRNA expression increased by 4.8-fold on day 1 in the TBI/fracture group compared with that in the fracture group (<i>P</i><0.001), and further increased by 6-fold on day 2 (<i>P</i><0.001) and nearly 1.5-fold on day 3 (<i>P</i><0.001). Expression levels are the fold index versus the day 1 level in TBI/fracture only model. Values are the mean and SD results from triplicate real-time PCR analyses (*P<0.05; **P<0.001).</p