studies of the electrical activity of the developing human brain
Báo cáo y học: "Microarray analysis of microRNA expression in the developing mammalian brain" ppt
Ngày tải lên :
14/08/2014, 14:21
... (pri-miRNA) [24] The pri-miRNA appears to be processed by the RNAse Drosha in the nucleus, cleaving the RNA at the base of the stem-loop [25] This cut defines one end of the microRNA The precursor ... interactions Figure Profile of microRNA expression in the developing mouse brain Profile of microRNA expression in the developing mouse brain (a) Relative expression levels for the 66 microRNAs that ... class of small regulatory RNAs [1] Their mechanism of action and the scope of their biological roles are beginning to be understood The first two microRNAs were discovered as the products of heterochronic...
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GLOBAL WARMING IMPACTS – CASE STUDIES ON THE ECONOMY, HUMAN HEALTH, AND ON URBAN AND NATURAL ppt
Ngày tải lên :
29/06/2014, 16:20
... the catch rate, p the price per unit of fish, c the cost per unit of fishing, δ the social discount rate and F the natural dynamics of the fish population (or the natural growth function of the ... did not visit the coast (16 people are not current users of the coast) The end distribution of the sample according to their use of the coast remains as follows: of the 430 visits to the Spanish ... waters and the remaining 146 in the waters of the Canary Islands and the Bay of Cadiz (MAPA, 2008) It is one of the fleets with the most vessels operating in these waters, second only to the artisanal...
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Báo cáo khoa học: Studies of the ATPase activity of the ABC protein SUR1 pptx
Ngày tải lên :
23/03/2014, 09:20
... that the ATPase activity of the NBDs is influenced both by the presence of the transmembrane domains of SUR1 and by the tetrameric Kir6.2 pore Thus, just as SUR1 influences the channel activity of ... observed Inhibition of ATPase activity A decrease in the ATPase activity of SUR1 was observed when the conserved lysine in the WA motif was mutated either in NBD1 or NBD2 Mutation of the WA motif in ... ATPase activity by about 60% If we assume that the relative extent of ATPase activity at NBD1 and NBD2 remains the same in full-length SUR1 (i.e that of NBD1 is 20% of that of NBD2), then the...
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The electrical activity of the heart
Ngày tải lên :
12/08/2014, 20:15
... cao chuyển đạo V5 V6 Many efforts have been made to lay down criteria for the diagnosis of left ventricular hypertrophy The following criteria have gained wide acceptance : R in V5 or V6 plus S ... criterion applies only in individuals over 25 years of age In younger persons, R in V5 or V6 plus S in V1 should exceed 40 mm before the diagnosis of left ventricular hypertrophy can be made R in ... chiều trục phải The diagnostic criterion for right ventricular hypertrophy is: R wave in V1 equal to or greater than the S wave and at least mm tall RVH features include the marked right axis...
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Structural, electrical and optical studies on the effects of rapid thermal processing on silicon germanium carbon films
Ngày tải lên :
17/09/2015, 17:18
... In the case of strained SiGe, the strain removes the degeneracy between the heavy and the light hole bands and spin-orbit band moves further down This reduces the inter-valley scattering of the ... was explained based on the theory of binary alloy oxidation and the consideration of large difference in the heat of formation of SiO2 and GeO2 Rapid thermal oxidation of SiGe films was examined ... from that of the Si-SiO2 system Ahn et al [43] designed a new experiment to check the effect of segregated Ge on the electrical properties of the SiO2/SiGe interface They first performed the normal...
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Báo cáo y học: "Characterization of N200 and P300: Selected Studies of the Event-Related Potential Salil H. Patel 1 and Pierre N. Azzam 2"
Ngày tải lên :
02/11/2012, 11:08
... interspersed by a stimulus which deviated from the standard in the intensity of the first component and the glide direction of the second constituent The number of distinct MMN components elicited by ... notable that the detection of a frontal N2 is associated only with instances of a NOGO response Thus, the P300 appears to be inhibited by the appearance of the N2b in tasks of motor activity suppression ... and the N2b Data indicate that the P300 is involved not only in processes of working memory, but may interact with the N2b in the control of motor response to external cues Through the use of...
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Tài liệu SURVEY OF CASE STUDIES OF THE USE OF KNOWLEDGE MANAGEMENT IN SOFTWARE ENGINEERING docx
Ngày tải lên :
16/01/2014, 16:33
... cancelled before they ever get completed Further results indicate 52.7% of projects will cost 189% of their original estimates The cost of these failures and overruns are just the tip of the proverbial ... draw rm conclusions If we ask whether the introduction of a knowledge management system improves the quality of software, only one of the studies, from the Software Engineering Laboratory gives ... quality of software? Lower the cost of developing software? Improve the work situation of employees in an organisation? Now, we rst give an overview of research methods, to be able to analyse the...
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Tài liệu Báo cáo khoa học: Structural and functional studies of the human phosphoribosyltransferase domain containing protein 1 docx
Ngày tải lên :
15/02/2014, 01:20
... spectrophotometric methods Because the enzymatic activity of PRTFDC1 towards hypoxanthine and guanine is only 0.26% and 0.09%, respectively, of the activity of HPRT, the role of the PRTFDC1 in purine metabolism ... conclusion can be made based on the lack of thermal shifts when only the bases were added, whereas the addition of PRPP led to a significant thermal shift Kinetic studies of PRTFDC1 showed that this ... product of PRPP from the crystallization solution ing 81 compounds of substrates, products and regulators of other enzymes in the human nucleotide metabolism (Table S1) The library can then be...
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Tài liệu Báo cáo khoa học: X-ray crystallographic and NMR studies of pantothenate synthetase provide insights into the mechanism of homotropic inhibition by pantoate docx
Ngày tải lên :
16/02/2014, 09:20
... Here, we report the results of the structural studies of the pantoate-bound form of the N-terminal domain of E coli PS (nPS) The structure and substrate-binding interactions of E coli nPS have ... well as of the alleviation of this inhibition by another substrate of the enzyme, ATP, are presented [8,9] Results Solution properties of the N-terminal domain of PS, the C-terminal domain of PS, ... regions of the Ramachandran map [32,33] Comparison of the monomer of the substrate-free form of E coli PS [13] with the monomers of nPS in the pantoate-bound form at full occupancy indicates that the...
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Tài liệu A REVIEW OF INDOOR AIR POLLUTION AND HEALTH PROBLEMS FROM THE VIEWPOINT OF ENVIRONMENTAL HYGIENE: FOCUSING ON THE STUDIES OF INDOOR AIR ENVIRONMENT IN JAPAN COMPARED TO THOSE OF FOREIGN COUNTRIES pptx
Ngày tải lên :
17/02/2014, 22:20
... move against the war and restricted the global trade in oil export This is still known as the Arab oil embargo.8, 9) The idea of saving energy spread throughout in the world as a result of this incident ... issue from the 1960s to early 1970s in Japan On this basis, the committee on sick house syndrome (SHS) by the Ministry of Health, Labour, and Welfare of Japan announced the guideline value of formaldehyde ... habitation The cause of the disease onset relates to a house, symptoms occur within the house, symptoms are less serious or disappear when the patient is away from the house, and when the patient...
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Tài liệu Báo cáo khoa học: Mechanism of dihydroneopterin aldolase NMR, equilibrium and transient kinetic studies of the Staphylococcus aureus and Escherichia coli enzymes docx
Ngày tải lên :
19/02/2014, 00:20
... set of control data was obtained in the absence of the protein The data set obtained in the absence of the protein was then subtracted from the corresponding data set obtained in the presence of ... performed in the absence of the ligand The control data set obtained in the absence of the ligand was subtracted from the corresponding data set obtained in the presence of the ligand The Kd values ... subtracting the control titration data in the absence of the enzymes from the titration data in the presence of the enzymes The results of the equilibrium binding studies showed that, in comparison...
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Tài liệu Báo cáo khoa học: Functional studies of active-site mutants from Drosophila melanogaster deoxyribonucleoside kinase Investigations of the putative catalytic glutamate–arginine pair and of residues responsible for substrate specificity docx
Ngày tải lên :
19/02/2014, 02:20
... did not show any activity must therefore be a consequence of the reactivity of the functional group and further support the hypothesis that E52 acts as an initiating base in the reaction R105 ... illustrating the binding of the feedback inhibitor dTTP and the position of Mg2+ in the active site Mg ion that coordinates the phosphates of dTTP (Fig 3) Discussion Mutation of residues in the active site ... phosphorylation of the wild-type Relative phosphorylation expressed as a relation of the percentage of dThd phosphorylation of the corresponding mutant is given in parentheses The substrate concentration...
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Tài liệu Báo cáo khoa học: Comparative studies on the functional roles of N- and C-terminal regions of molluskan and vertebrate troponin-I pdf
Ngày tải lên :
20/02/2014, 01:20
... to the fragments in the presence (d) or absence (s) of Ca2+ The measurements were performed at 15 °C The results were expressed as a percentage of the ATPase activity obtained in the absence of ... reflect the mechanism of Ca2+ switching involving the alternative binding of the C-terminal region of TnI to actin or TnC in a Ca2+dependent manner [17,19] On the other hand, the inhibitory effect of ... understand the biological significance of the difference in TnI–TnC interactions, we compared the ability of TnC to neutralize the inhibitory effects of the C-terminal fragments in the presence...
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Tài liệu Ave Roma Immortalis, Vol. 2 Studies from the Chronicles of Rome pdf
Ngày tải lên :
20/02/2014, 09:20
... sort of stopper which closed the round aperture in the roof of the Pantheon The Pantheon stands at one corner of the Region of Pigna, and a connection between the Region, the Pantheon and the ... force, the Consulship or the Presidency of the Senate Jordan, the brother of the antipope Anacletus, obtained the office, and the violent death of the next Pope, Lucius the Second, was one of the ... that the Cenci had built themselves a fortified palace on the foundations of a part of the Theatre of Balbus, between the greater Theatre of Marcellus, then held by the Savelli, and the often...
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Tài liệu Báo cáo Y học: Molecular modeling of the dimeric structure of human lipoprotein lipase and functional studies of the carboxyl-terminal domain docx
Ngày tải lên :
21/02/2014, 15:20
... amount of lipase activity, similar to that of the S132T mutant, but both retained the esterase activity After the cotransfection of S132T and His-tagged WWW mutants, almost half of the lipase activity ... established Of two possible dimeric structures of LPL, the head-tohead and the head-to-tail models, the studies of the chimeric proteins of hepatic lipase and LPL and the tandem repeat approach of LPL ... illustrates the overall saddle shape of the dimeric structure and the key heparin-binding residues in the N-terminal domain held coordinately by the two subunits on the top of the hollow (Fig 1A) The...
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Tài liệu Euphorion Being Studies of the Antique and the Mediaeval in the Renaissance - Vol. II pot
Ngày tải lên :
21/02/2014, 21:20
... sunshine of the evening, the noise of the streets, the looks of the crowd, the great minster rising half-finished in the midst of the town by the Rhine, the cries and noise and chipping of the masons; ... attending to the business of factory or counting-house under the orders of the father of the family, and to the economy of the house-under the superintendence of the mother; a manner of living at ... him the "Morte d'Arthur" of the ladies and knights of Arthur's court; of the quest of the Grail by spotless knights who were bastards and fathers of bastards; of the intrigues of Tristram of Lyoness...
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Tài liệu Báo cáo khoa học: "Predicting the fluency of text with shallow structural features: case studies of machine translation and human-written text" doc
Ngày tải lên :
22/02/2014, 02:20
... with the idea that these are qualities of the translations that are independent of each other Fluency was judged directly by the assessors, while adequacy was meant to assess the content of the ... compared to a human gold-standard Yet, the assessments of the two aspects were often the same—readability/fluency of the sentence is important for understanding the sentence Only after the assessor ... predict the status of each sentence in the WSJ articles One of the models was that for distinguishing human translations from machine translations (human vs machine MT), the other was the model...
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Tài liệu Báo cáo Y học: Studies on the nonmevalonate pathway of terpene biosynthesis The role of 2C-methyl-D -erythritol 2,4-cyclodiphosphate in plants docx
Ngày tải lên :
22/02/2014, 07:20
... exchange (2% of the isomerization rate) of the methyl group of IPP and the (Z)-methyl group of DMAPP, and an even slower exchange (0.5% of the isomerization rate) of the olefinic hydrogen of DMAPP corresponding ... for the observed very slow exchange of the HA-hydrogen of IPP In both cases, scrambling of the label takes place within the IPP pool and the error is then transcribed into the DMAPP pool by the ... concentrations of the tritiated compound, the relative transfer of 14C-label from the cyclodiphosphate pool is always in excess of the value calculated from the original molar concentration of the two...
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Accounting for Changes in Social Support Among Married Older Adults: Insights From the MacArthur Studies of Successful Aging pptx
Ngày tải lên :
06/03/2014, 15:20
... a sample of 439.1 Table summarizes the sociodemographic and psychological characteristics of the sample at the time of the first interview The majority of the sample was White (83%; the remainder ... in the composition of social networks over time could alter the relative availability and efficiency of different types of support because of changes in the availability of certain types of ties ... may change (e.g., according to the social convoy model), both theories lead us to the hypotheses that the quality of support in networks of older adults remain the same or actually increase over...
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