báo cáo khoa học: "Quantifying kinematics of purposeful movements to real, imagined, or absent functional objects: Implications for " doc
báo cáo khoa học: "Quantifying kinematics of purposeful movements to real, imagined, or absent functional objects: Implications for " doc
... saggitalplane of torso (XZ) were examined for both reaches to a cup and to a spoon. Velocity profiles and curvature were alsoquantified for all trajectories.Results: We hypothesized that movements performed ... plane for all movements. Conclusion: The implemented minimum jerk trajectory model was not adequate for generating functional trajectories for these ADLs. The deviations caused by object affordance ... invariant pat-terns in point -to- point human arm movements, the min-imum jerk theory for multi joint arm movements havebeen shown to work well for point -to- point trajectorygeneration in many robotic...
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Tài liệu Báo cáo khoa học: Reversible tetramerization of human TK1 to the high catalytic efficient form is induced by pyrophosphate, in addition to tripolyphosphates, or high enzyme concentration ppt
... 5 mm dithiothreitol), incubated with or without3mm of the respective nucleotide or phosphate compound for 2 h at 4 °C, and stored for at least 2 weeks at )80 °Cbefore use for kinetic and molecular ... tetrameric and dimericforms in Figs 1 and 2 exhibited low or high catalyticefficiency. Therefore, the various incubated hTK1forms from Figs 1 and 2 were analyzed for theirkinetic behavior with dThd, ... form is more openthan hTK1. Therefore, at present, it appears that theadenosine group is very loosely bound to hTK1.In the present work, the part of the phosphatedonor that is necessary for...
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Tài liệu Báo cáo khoa học: Complete reconstitution of an ATP-binding cassette transporter LolCDE complex from separately isolated subunits docx
... required for the growth of E. coli [13].The isolation of defective mutants of various Lol pro-teins revealed that efficient lipoprotein sorting to theouter membrane is essential for the growth of ... masses.AcknowledgementsWe wish to thank Rika Ishihara for technical support.This work was supported by grants to H. Tokudafrom the Ministry of Education, Science, Sports andCulture of Japan.References1 Miyadai ... Pal.PageSDS ⁄ PAGE was performed according to Laemmli [38].Immunoblotting [39] was performed as described. BN-PAGEwas carried out according to a previously reported method[40]. The cathode...
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Tài liệu Báo cáo khoa học: Comparative studies of endonuclease I from cold-adapted Vibrio salmonicida and mesophilic Vibrio cholerae docx
... minimum of three linear readings on thetime versus fluorescence curve using the program softmaxpro (Molecular Devices). The fluorimeter was set to auto-mix for 1 s before the first read. A minimum of ... temperature. Kmvalues for VcEndA are lower than for VsEndA, indicatingthat the former has slightly greater affinity for the sub-strate. However, kcatis very different for the twoenzymes, especially ... revealed a Tm of 44.8 °C for VsEndA and 52.8 °C for VcEndA as shown in Fig. 6.The calorimetric enthalpy (area under the transition) isalso much lower for VsEndA (328 kJÆmol)1) than for VcEndA...
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Tài liệu Báo cáo khoa học: Biochemical characterization of human 3-methylglutaconyl-CoA hydratase and its role in leucine metabolism docx
... production of AUHp40 (precursor form), AUHp32(mature form), AUHp40A240 V and AUHp32A240 V inE. coli was performed using the pMAL-c2 bacterial expres-sion vector [17]. The different forms of AUH ... to be useful for the enzymatic production of this compound. Earlier, Gct was reported to be specific for (E)-glutaconate and to be completely inactive with(Z)-glutaconate [21]. The activity of ... pre-pared by incubation of 3-methylcrotonyl-CoA with3-methylcrotonyl-CoA-carboxylase in the presence of NaH14CO3. In this work, Kmvalues for the hydration of [5-14C]3-MG-CoA of 6.9 lm (fibroblast)...
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Tài liệu Báo cáo khoa học: Thermal unfolding of smooth muscle and nonmuscle tropomyosin a-homodimers with alternatively spliced exons docx
... according to isoform type. In mam-malian cells, alternative splicing produces a variety of muscle and nonmuscle isoforms from four differ-ent genes [1]. Muscle cells express two major iso-forms ... for her help in per-forming DSC experiments and for the preparation of actin, and Sam Lehrer (Boston Biomedical ResearchInstitute, Boston, MA, USA) for valuable commentsand advice. This work ... enthalpy of thermal unfolding of Tm5a and Tm5bis more pronounced than for smTm. Indeed theenthalpy of the actin-induced peak 2 (DH2) for Tm5ais now almost exactly six-sevenths of the value for smTm...
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Tài liệu Báo cáo khoa học: Thermodynamic analysis of porphyrin binding to Momordica charantia (bitter gourd) lectin pptx
... meso-tetra-(4-methylpyridinium)porphyrinatocopper(II) (CuTMPyP) (resultant concentration of theporphyrin was 0.62 mM), to investigate the effect of porphyrin b inding on the protein conformation. For thesespectra, ... and stacking of aromatic side chains with the porphine core of theporphyrins, as observed in the jacalin–H2TPPS interaction,most likely favor the binding of porphyrins to TCSL,porphyrin association ... CuTMPyP for MCL suggests that i t may be possible t ouse MCL as a carrier for targeting these porphyrins to tumor tissues. C onsidering t hat b itter gourd ( M. charantia)fruit forms part of the...
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Tài liệu Báo cáo khoa học: "Robust Conversion of CCG Derivations to Phrase Structure Trees" pdf
... maybe more difficult to convert, and the calculation of PROJ only roughly factors out the errors. However,the results do suggest that the performance of theCCG parsers is approaching that of the ... specific instruc-tions for each category (not all pairs), and genericoperations for each combinator. We cover all cate-gories in the development set and correctly convert51.1% of sentences. Unlike ... atomic, e.g. the N assigned to magistrates, or complex functions of the form result / arg, whereresult and arg are categories and the slash indicatesthe argument’s directionality. Combinators...
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Tài liệu Báo cáo khoa học: "The Contribution of Linguistic Features to Automatic Machine Translation Evaluation" docx
... crucial in order to analyze the system drawbacks.In order to define an accuracy measure for thereliability of very low/high metric scores, it is nec-essary to define quality thresholds for both ... METEOR:An Automatic Metric for MT Evaluation with Im-proved Correlation with Human Judgments. In Pro-ceedings of ACL Workshop on Intrinsic and Extrin-sic Evaluation Measures for MT and /or ... according to the automatic metric. For this, we consider in each translation case c, theworse automatic translation t that equals or im-proves the human-aided translation thaccording to the...
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Tài liệu Báo cáo khoa học: "Automatic Evaluation of Machine Translation Quality Using Longest Common Subsequence and Skip-Bigram Statistics" doc
... use-ful correlation indicator even when good linear correlation, for example, according to Pearson’s correlation coefficient between two variables could 6 For a quick overview of the Spearman’s ... correlation with human judgment would en-able us to use automatic scores to predict corre-sponding human judgment scores. Therefore, Pearson’s correlation coefficient is a good measure to ... dskip, between two in-order words that is allowed to form a skip-bigram. Applying such constraint, we limit skip-bigram formation to a fix window size. There-fore, computation time can...
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