Our understanding of global geology during the 20th century(notes 6)

... academic In the time around 1910 Wegener encountered two ideas about global geology:   the strong similarity of the shapes of the western edge of Africa and the eastern edge of South America (the idea ... 143° away from the source of a seismic event Based on an understanding of the refraction of seismic waves, this is also consistent with the idea that part of the core is liquid Another important ... equivalent to the thinnest layer of skin on the outside of an onion The mantle has a total thickness of 2885 km and comprises more than 80% of earth's volume (the upper part has the composition of the...

Báo cáo khoa học: Analysis of the NADH-dependent retinaldehyde reductase activity of amphioxus retinol dehydrogenase enzymes enhances our understanding of the evolution of the retinol dehydrogenase family pot

... paralogous chromosomes also supports our hypothesis In conclusion, the analysis of amphioxus enzymes contributes to improving our understanding of the functional complexity of vertebrate gene families ... The overall analysis, examining the topology of the phylogenetic tree and the position of each gene inside the cluster, was informative regarding the orthology relationships of the distinct enzymes, ... comparable to those of these enzymes In contrast, 3746 the amphioxus enzymes showed lower retinaldehyde reductase efﬁciency than some vertebrate enzymes The speciﬁc activity of mouse RDH5 with...

Báo cáo khoa học: Multidrug efflux pumps: The structures of prokaryotic ATP-binding cassette transporter efflux pumps and implications for our understanding of eukaryotic P-glycoproteins and homologues ppt

... homologue and eukaryotic ABCB MDR pumps, namely the presence of a linker domain between the two halves of the transporter The mouse ABCB1a structure is missing the 56 amino acids between the end of the ... the unliganded state (unliganded with respect to nucleotide substrate) For the majority of the MsbA structures, Table Structural data for bacterial homologues of eukaryotic ABCB multidrug pumps ... the sign of the distance change was the same as that observed in the three structural states of Chang, and the magnitudes of distance changes for three of the four pairs of residues for which data...

Báo cáo khoa học: Recent contributions of in vitro models to our understanding of hepatitis C virus life cycle pdf

... culture of infected hepatocytes To succeed in obtaining HCV infection in primary human hepatocytes, an existing model of hepatitis B virus infection was used to determine optimal infection conditions ... hepatocytes and lymphocytes in vitro In summary, use of HCV-containing sera to reconstitute the entire life cycle of HCV in vitro has proved to be very difﬁcult Although infection of primary cells ... be interesting to evaluate HCVcc infectivity few cell lines support infection technical difﬁculties of primary cell culture no secretion of particles independence of CD81 for entry no budding...

Báo cáo hóa học: " Assessment of Joystick control during the performance of powered wheelchair driving tasks" ppt

... deviation of the vector scatter plotted on the joystick, while the v marks the value of the mean well to the mid -wheelchair All of the novice participants used the lowest speed, yet we chose not to control ... of the time of the minimal duration of a joystick movement (200 ms) The mean direction was calculated within each of these time bins We then computed the intra-trial mean and variability of joystick ... by the participant was transferred to the joystick used for the experiment The tablet PC was mounted at the rear of the wheelchair and another tablet PC was remotely synchronized so that the...

Báo cáo hóa học: " Investigating the complexity of respiratory patterns during the laryngeal chemoreflex" pot

... during the LCR the activity of the respiratory neural networks is taken over by a homogeneous group of neurons; hence we should observe reduced complexity in the respiratory patterns during the ... represents the standard deviation of the original signal x(i) Results Our objective in this study was the investigation of changes in the complexity of the central respiratory network of the piglets during ... precedes the cough but during the experiments we observed swallows also succeeding the cough as well as after apnea To investigate how the complexity of respiratory patterns change during the LCR,...

báo cáo hóa học: " Control of interjoint coordination during the swing phase of normal gait at different speeds" ppt

... separate the end of the swing phase from the beginning of the stance phase and the first data point following the cessation of force application on the force plate designated the beginning of the ... to the selection of the PCs Projections of the data onto each PC were derived as the product of the PC eigenvector and the associated raw data These projections assist in the visual interpretation ... = 1.4) of the variance during the swing phase (Figure 1B) A second PC accounted for 23.2% (SD = 1.3) of the variance These data indicate that the patterns of angular displacement for the three...

Báo cáo y học: "A typology of practice narratives during the implementation of a preventive, community intervention trial" potx

... as they are made aware of alternative interpretations of events The CDOs were aware that they were writing a diary that would be read and analysed by the EcoPRISM researchers, but did they take ... many studies that undertake a narrative analysis draw on interview data, there is no epistemological reason as to why diary data are not conducive to narrative analysis [14] As a method of data ... Practitioner Satirist Type Practitioner Figure The collapsing of individual narratives into a typology The collapsing of individual narratives into a typology Narrative form By narrative form we mean the...

báo cáo khoa học: " A typology of practice narratives during the implementation of a preventive, community intervention trial" docx

... 'solicited' diaries as a data collection method A range of qualitative and quantitative analytic techniques are then applied to the analysis of such data (for a detailed description of the use of diaries ... collapsing of individual narratives into a typology The collapsing of individual narratives into a typology Narrative form By narrative form we mean the temporal flow of a practitioner's evaluations of ... narrative data set to supplement what the diaries recorded Primary analytic attention was paid to the field diaries as the prospective narrative data The result was a large data set (approximately...

Báo cáo y học: "Characterization of viroplasm formation during the early stages of rotavirus infection" ppsx

... are synthesized within viroplasms, which led to the hypothesis that the entering viral particles could serve as points of nucleation for the formation of viroplasms [8] In this work, the dynamics ... earlier stages of viroplasm formation, and in their work, following the expression of an NSP2 protein fused to EGFP in rotavirus SA-11 infected cells, they observed that the total number of viroplasms ... Characterization of viroplasm formation during the early stages of rotavirus infection Virology Journal 2010 7:350 Submit your next manuscript to BioMed Central and take full advantage of: • Convenient...

Báo cáo y học: " Maternal smoking during pregnancy increases the risk of recurrent wheezing during the first years of life (BAMSE)" pot

... two years of the Proportion of maternal smoking of one or more cigarettes daily during pregnancy and during the first two years of the child among children with and without recurrent wheezing recurrent ... Smoking1 during pregnancy and the first two years of the child Smoking during pregnancy and the first two years of the child and parents with or without asthma and/or respiratory allergy of one cigarette ... birth cohort study focuses on maternal smoking during pregnancy as a risk factor for recurrent wheezing during the first two years of life Methods Study subjects From February 1994 until November...

Báo cáo y học: "Recent advances in our understanding of human host responses to tuberculosis" doc

... production of interferon-γ, which has been shown during the past several years to be a key effector cytokine in the host response against tuberculosis Th2 cells primarily secrete the cytokines interleukin-4, ... Respiratory Research Vol No Schluger whole cascade of inflammatory events On the other hand, in many infectious syndromes relatively avirulent organisms cause disease mainly by forcing the host to ... phenotype, similar to a Th1 phenotype, is the predominant type of CD8+ cell; in addition, they are cytotoxic T cells and probably play a significant role in true protective immunity of the type...

Báo cáo y học: "Comment on and reply to "Analysis of variation of amplitudes in cell cycle gene expression" by Liu, Gaido and Wolfinger: On the analysis of gene expression during the normal, eukaryotic, cell cycle" docx

... meaning and relevance to the cell cycle It is of interest to look at the basic data in Table of Liu, Gaido and Wolfinger [1] In Table they present results on the gene expression amplitudes in two ... experiment Summary The work of Liu, Gaido and Wolfinger [1] is a statistical analysis of a well-regarded paper [2] on the pattern of gene expression during the cell cycle of eukaryotic cells There are ... Shedden K: Microarray analysis of gene expression during the cell cycle Cell Chromosome 2003, 2:1-12 Cooper S: Rethinking synchronization of mammalian cells for cell- cycle analysis Cell Mol Life Sci...

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