properties of the discretetime fourier transform pdf

Báo cáo khoa học: Structure analysis of the ﬂavoredoxin from Desulfovibrio vulgaris Miyazaki F reveals key residues that discriminate the functions and properties of the ﬂavin reductase family pdf

... of the structure of NADP+-bound FeRrevealed that the nicotinamide moiety of NADP+faces the re-side of the isoalloxazine ring, and that the 2Â-P-AMP moiety is held in the groove between the ... direction along the b10 of the other mono-mer, forming an anti-parallel intermolecular b sheet(Fig. 2A). The subsequent residues of the loop (Ala7–Pro13) turn into the interior of the dimer interface,and ... fulgidusFeR is one of the candidates for the ferric ion-bindingresidue based on the structure of the mercury-boundderivative, although a ferric ion was not found at the site of either the native or...

mathematics of the discrete fourier transform

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... and its inverse mathemati-cally, we go on to proving various Fourier Theorems, such as the “shifttheorem,” the “convolution theorem,” and “Parseval’s theorem.” The Fourier theorems provide a ... through a ﬁlter, the carrier wave is delayed by the phase delay of the ﬁlter, while the modulation signal is delayed by the group delay of the ﬁlter. In the case of additive synthesis, group delay ... generator of the mathematical group consisting of the Mth roots of unity and their products.We will learn later that the Nth roots of unity are used to generateall the sinusoids used by the DFT...

báo cáo hóa học:" In vivo properties of the proangiogenic peptide QK" pdf

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... http://www.translational-medicine.com/content/7/1/41Page 6 of 10(page number not for citation purposes)Diagram of the kinetics of wound closure (A)Figure 3Diagram of the kinetics of wound closure (A). VEGF165 and QK accelerate the closure of ... the proangiogenic properties of QK,suggesting that also in vivo this peptide resembles the full VEGF protein. These data open to newfields of investigation on the mechanisms of activation of ... daily. The concentra-tion is reported as the final molar concentration in the organ bath. Endothelium-independent vasorelaxationwas tested after mechanical endothelium removal of the endothelial...

Báo cáo sinh học: " Research Article Eigenvectors of the Discrete Fourier Transform Based on the Bilinear Transform" potx

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báo cáo hóa học:" Research Article Pitch- and Formant-Based Order Adaptation of the Fractional Fourier Transform and Its Application to Speech Recognition" pptx

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Tài liệu Psychometric properties of the quality of life scale Child Health and Illness Proﬁle-Child Edition in a combined analysis of ﬁve atomoxetine trials pdf

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... touse the sub-domains rather than the domains of the CHIP-CE when evaluating ADHD patients. This is supported by the factor analysis based on the sub-domains and the correlation analysis of the ... and the core symptoms. The inﬂu-ence of the QoL of the parents or the parents’ diseases(such as ADHD) could not be assessed because these datawere not obtained.Conclusions The strength of ... not the case for the 5-factor solution based on the number of CHIP-CE domains, where the items fromsub-domains that do not belong to the same domain oftenload together on one factor. It is therefore...

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Báo cáo Y học: Trehalose-phosphate synthase of Mycobacterium tuberculosis Cloning, expression and properties of the recombinant enzyme pdf

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... development of hyphae and did decrease the infectivity of the organism, butit was not lethal. Thus, the rate of growth of the mutant at30 °C was indistinguishable from the growth rate of the wild-type, ... in the regionsuggesting a molecular weight of  220 kDa (Fig. 3). Thesedata suggest that the active TPS probably exists as atetramer. Properties of the recombinant TPS The activity of the ... In this report, we describe the cloning andexpression of the M. tuberculosis tps gene in E.coli,andtheproduction of active TPS in these cells. The properties of the recombinant enzyme have...

Báo cáo khoa học: Enzymatic properties of the lactate dehydrogenase enzyme from Plasmodium falciparum pdf

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... polarity of the environment of the ﬂuorophore. In the case of PfLDH, the signal changeon binding to the active site was too small to be usedas a reliable reporter of the formation of the binarycomplex. ... the rate of the conformationalchange, k3H the hydride transfer and k4 the rate of the product-off step. Hence, in these circumstances, the steady-state KMis expected to be smaller than the apparent ... the binding of pyru-vate to the E–NADH complex is a rapid equilibriumprocess, then the measured KM(KMÂ) in the single-turnover reaction is simply equal to the Kdfor the for-mation of...

Báo cáo khoa học: Puriﬁcation and properties of the glutathione S-transferases from the anoxia-tolerant turtle, Trachemys scripta elegans pdf

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... but did not ﬁndevidence of a change in the expression pattern of eitherisozyme during anoxia or of the expression of novelGST isozymes under anoxia. However, the effect of anoxia exposure on ... change in the amount of GST protein present, a covalent modiﬁ-cation of GST that alters its properties, or a change in the mixture of GST isozymes present in the organ tobetter suit the enzyme ... were run in the absence of either GSH orenzyme. One unit of activity is deﬁned as the amount of enzyme that formed 1 lmol of product per min at 21 °C.Turtle liver GST puriﬁcation The puriﬁcation...

Báo cáo khoa học: H NMR study of the molecular structure and magnetic properties of the active site for the cyanomet complex of O2-avid hemoglobin from the trematode Paramphistomum epiclitum pdf

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... between the projection of the tilt of the z axis on the xÂ,yÂ plane (dened direction of tilt of z and the xÂ axis), and j % a + c denes the location of the rhombic (x, y) axes. The orientation of the ... at position E7 as the source of the H-bond to ligand on the basis of apartial sequence, which had indicated a Tyr on the distalE-helix. The similarity in the 1HNMRspectraofthethree globin ... expected. Aplot of the effect of the angle, w, between the Tyr32(B10)Cf-OH and ring planes, on the three distinctive variablesthat depend critically on the orientation of the OH groupis...

báo cáo hóa học: " Measuring adolescents'''' HRQoL via self reports and parent proxy reports: an evaluation of the psychometric properties of both versions of the KINDL-R instrument" pdf

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... cases. In 82.8% of cases, the proxy was the mother and in 11.4% it was the father. The mean age of mothers was 41.9 years and the mean age of fathers was44.9 years. The real household income ... enables the accurate measurement of HRQoL even for small groups of children. For the examination of HRQoL of small groups of respondents, our results suggest a focus on the KINDLtotal score of the ... interest is the dimen-sionality of the assessment. Analyses of this propertycould reveal whether the children themselves and theirparents perceive and judge the children's health and lifesituations...

báo cáo hóa học: " Measurement properties of the Brazilian version of the Pediatric Quality of Life Inventory (PedsQL™) cancer module scale" pdf

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... toxicity of chemotherapy or the isolation to which the individual is subjected [9,15]. The analysis of the correlation between the scores the chil-dren/adolescents obtained and those obtained by the guardians ... hospitals of the city. A total of 190 families of Bra-zilian children between the ages of 2 and 18 years, of bothgenders, with malignant neoplasm in various phases of treatment or control of the ... related to the small number of items that compose the subscale [22]. Furthermore, Alpha Coefficient values maybe influenced by the level of schooling in the sample [23]. The analysis of the Corrected...

báo cáo hóa học:" Psychometric properties of the DISABKIDS Chronic Generic Module (DCGM-37) when used in children undergoing treatment for cancer" pdf

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... 0.70 for all dimensions. There was support for the suggested groupings of itemsinto dimensions for all but six of the 36 items of the DCGM-37 included in this study. The instrument discriminatedsatisfactorily ... approached with the Smiley versiondeveloped for those younger than eight years. As the majority of the participating children filled out the longversion (DCGM-37), the results from the Smiley versionare ... 8:109http://www.hqlo.com/content/8/1/109Page 2 of 7 meaning, a person-specific mean score was calculatedbased on the existing answers [11].Procedure The instructions given to the families emphasized the importance of the DCGM-37...

Báo cáo hóa học: " The impact of spatial correlation on the statistical properties of the capacity of nakagami-m channels with MRC and EGC" pdf

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... used to find the statistical properties of the channel capacity.3.1 Statistical properties of the capacity of spatiallycorrelated Nakagami-m channels with MRC The PDF pg(z)oftheinstantaneousSNRg(t)canbefound ... pg(z)oftheinstantaneousSNRg(t)canbefound with the help of (4) and by employing the relationpg(z)=(1/gs) pΞ(z/gs). Thereafter, applying the concept of transformation of random variables, the PDF pC(r )of the channel ... (ml=1,∀l =1,2, , L), then the mean c hannel capacity increases, w hile the variance of the channel capacity decreases. The influence of spatial correlation on the PDF of the channel capacity...