inﬂuence of the length of time after hormonal stimulation on selected parameters of milt of ide leuciscus idus l

Tài liệu Báo cáo khoa học: Inﬂuence of modulated structural dynamics on the kinetics of a-chymotrypsin catalysis Insights through chemical glycosylation, molecular dynamics and domain motion analysis pptx

Ngày tải lên : 19/02/2014, 05:20

... chemical glycosylation of a-CT and for the molecular modelling and molecular dynamics simulations The succinimidyl functionality serves as leaving group during the glycosylation reaction FEBS ... mechanochemical nature of a-CT catalysis A more detailed analysis of the inﬂuence of chemical glycosylation on the dynamics of a-CT from the theoretical simulations was additionally performed ... structural motions on the functional properties of proteins Because these calculations are traditionally performed on crystal structures their only drawback is that they not take into consideration...

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Báo cáo khoa học: The inﬂuence of heterodimer partner ultraspiracle/retinoid X receptor on the function of ecdysone receptor pot

Ngày tải lên : 07/03/2014, 12:20

... performance of HsRXR, LmRXR and the two chimeras, Hs–LmRXR (helix 1–8 of HsRXR and 9–12 of LmRXR) and Lm-HsRXR (helix and two loops on either side of helix of LmRXR were replaced with the corresponding ... at h after addition of ligand and reached peak levels of 19 000-fold induction by 48 h after addition of ligand (Fig 11A) The turn off of reporter activity after withdrawal of ligand is also fast ... as well as in the loops on either side of helix contribute to the improved activity of LmRXR Western blot analysis of proteins isolated from 3T3 cells that were transfected with RXR mutant constructs...

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Báo cáo khoa học: The inﬂuence of cold shock proteins on transcription and translation studied in cell-free model systems pdf

Ngày tải lên : 07/03/2014, 21:20

... shown above occurs on the transcriptional or on the translational level, the system of combined transcription ⁄ translation was decoupled The inﬂuence on the transcriptional level was investigated ... vitro transcription assays and for analysis of the inﬂuence of CSPs at the transcriptory level In the latter case the reaction volume was 20 lL, where lL of the reaction volume were either 50 mm NaH2PO4, ... Assuming a total soluble protein concentration of 200–300 mgỈmL)1 [21,22], the concentration of CspA in the cytosol can reach concentrations in the millimolar range during cold shock The effects...

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Báo cáo khoa học: The inﬂuence of cholesterol on the interaction of HIV gp41 membrane proximal region-derived peptides with lipid bilayers potx

Ngày tải lên : 23/03/2014, 07:20

... collected to draw conclusions about the interaction of peptides with large unilamellar vesicles (LUV) The ﬂuorescence quantum yield is dependent on the polarity of the microenvironment of the ... amounts of dimethylsulfoxide The ﬁnal concentration of dimethylsulfoxide in the samples through the experiments was at most 1.4% (v ⁄ v) The solubilization of all peptides was improved with mild bath ... cholesterol on POPC LUV may lead to the formation of a liquid-ordered phase A moderate cholesterol content on the POPC ⁄ cholesterol LUV enables the coexistence of cholesterol-rich (in a liquid-ordered...

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Báo cáo khoa học: Inﬂuence of divalent cations on the structural thermostability and thermal inactivation kinetics of class II xylose isomerases pdf

Ngày tải lên : 23/03/2014, 13:20

... variations in stability, although the more thermophilic class II XIs contain additional prolines and fewer thermally labile asparagine and glutamine residues [26,30] The crystal structures of class ... Mg2+ plus 0.5 mM Co2+ The concentration of soluble protein (% of starting concentration, h) and the thermal transitions are shown as functions of the temperature PAGE All samples showed a single ... the residual soluble enzyme conformation on SDS and native Excess heat capacity (kcal/mole·K) K L Epting et al 120 Fig Soluble TNXI concentration during thermal denaturation in the presence of...

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Báo cáo khoa học: Weak organic acid stress inhibits aromatic amino acid uptake by yeast, causing a strong inﬂuence of amino acid auxotrophies on the phenotypes of membrane transporter mutants ppt

Ngày tải lên : 23/03/2014, 21:20

... into the wells of a Bioscreen microtitre plate (100 well honeycomb; Life Sciences International) to give an inoculum size of 5.0 · 103 cellsỈml)1 as described previously [5,15] The stated concentrations ... [6] Growth of normal yeast on galactose relative to glucose slightly decreases acetate resistance (Fig 2), yet the strong Pdr12p induction with the growth of the GAL1-PDR12 strain on galactose decreases ... genotypes (all of mating type a, and also ura3) were spotted (undiluted; also as : 10 and : 100 serial dilutions) onto pH 4.5 YPD containing the indicated level of organic acid The plates were...

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Báo cáo khoa học: The inﬂuence of temperature and osmolyte on the catalytic cycle of cytochrome c oxidase ppt

Ngày tải lên : 31/03/2014, 07:20

... for the oxidation phase are still faster than the overall rate constant during the steady state As the latter is the complex function of all the internal and intermolecular rate constants, the ... probably other factors Nonetheless, catalytic activity is still one of the few characteristics that reﬂect the actual role of the oxidase in the tissues What is that role? The oxidase catalyzes the ... energy for the overall reaction The limitation on the steady state, catalytic rate, is a reasonably fast reaction associated with ET The inclusion of 56% (w/v) ethylene glycol changes that The individual...

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báo cáo sinh học:" Burnout and training satisfaction of medical residents in Greece: will the European Work Time Directive make a difference?" pot

Ngày tải lên : 18/06/2014, 17:20

... classification on the emotional exhaustion or depersonalization subscales relates to higher professional burnout, while the personal accomplishment subscale has an inverse relationship to burnout with lower ... represent the rate per cent to the study's 311 respondents A high classification on the emotional exhaustion or depersonalization subscales relates to higher professional burnout, while lower personal ... (menial tasks) On the other hand, a sizable proportion of residents (44.7%) did feel that they dedicate a considerable amount of time to their patients' care, yet a notable fraction of these residents...

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Báo cáo hóa học: " Research Article Removing the Inﬂuence of Shimmer in the Calculation of Harmonics-To-Noise Ratios Using Ensemble-Averages in Voice Signals" docx

Ngày tải lên : 21/06/2014, 20:20

... in the presence of jitter HNRSr will perform worse, since pulse tails would not always be aligned with the adjacent pulse, and the correlation should be lower The evaluation of the inﬂuence of ... as the introduced shimmer increases On the other hand, the summation of tails in one pulse is not completely uncorrelated with the summation of tails in the other For this reason, the estimation ... This pulse amplitude (shimmer) normalization can help in the time warping of the pulses and actually reduces the variance of the template in Yumoto’s HNR formula However, it still yields only an...

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Báo cáo hóa học: " Research Article New Method to Determine the Range of DVB-H Networks and the Inﬂuence of MPE-FEC Rate and Modulation Scheme" doc

Ngày tải lên : 21/06/2014, 22:20

... degradation point of the DVB-H service This corresponds well with our criterion, since we also demand valid MPE tables for 95% of the time Only, we will use a period of 40 seconds for reasons explained ... Section 2.3) of the DVB-H system, based on %Valid reception The deﬁnition of R is based on the deﬁnition of %Valid reception (formula (1); see Section 2.3) To calculate R, a window of 80 samples ... investigation) Secondly, models for networks with multiple transmitters are not yet available, we only have knowledge of path loss models for one transmitter Thirdly, unlike range calculations based on...

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Báo cáo hóa học: "Inﬂuence of Cobalt Doping on the Physical Properties of Zn0.9Cd0.1S Nanoparticles" docx

Ngày tải lên : 22/06/2014, 00:20

... Calculated values of local strain are shown in Table On the left axis of Fig 2, local strain values are shown with variation in molar cobalt concentration It can be seen that the crystallinity of doped ... nanoparticles (see Fig 1) is fairly good as the local strain values are smaller when the cobalt Nanoscale Res Lett (2010) 5:323–331 325 Table Cobalt molar concentrations in starting solution, y analysed ... due to the strong interaction of d electrons of Mn2? with s–p electrons of the host nanocrystalline Zn Zielinski et al [28] and Seong et al [29] reported that the sp–d exchange interactions in...

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Báo cáo hóa học: " Inﬂuence of Uniaxial Tensile Stress on the Mechanical and Piezoelectric Properties of Short-period Ferroelectric Superlattice " potx

Ngày tải lên : 22/06/2014, 00:20

... slightly larger than the value of 0.28 C/m2 of tetragonal BTO (the other theoretical value is 0.26 C/m2 [28]), which supports the conclusion that the sharp interfaces suppress the polarization in ... function of uniaxial tensile stress For the ground state superlattice, the calculated spontaneous polarization of 0.29 C/m2 is less than the theoretical value of 0.81 C/m2 of ground state PTO, but slightly ... c11, always decrease with increasing r33, indicating that the superlattice under the loading of uniaxial tensile stress along the c axis becomes soft along the nonpolar axes To illustrate the change...

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Báo cáo hóa học: " Tin Oxide Nanowires: The Inﬂuence of Trap States on Ultrafast Carrier Relaxation" potx

Ngày tải lên : 22/06/2014, 00:20

... normally unoccupied under equilibrium conditions The occupation of states (referred to as state ﬁlling) following an ultrafast laser pulse will appear as a reduction in the absorption at the probing ... diameter of the SnO2 NWs was found to be uniform along their length The growth of the SnO2 NWs occurs via the formation of Au nanoparticles (NPs) from the thin layer of Au and the VLS mechanism ... corresponds to the well known Surface Plasmon Resonance (SÁP.R.) of Au nanoparticles that are required as catalysts for the formation of the SnO2 NWs on quartz Figure shows typical time resolved...

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Báo cáo hóa học: "Inﬂuence of Rare Earth Doping on the Structural and Catalytic Properties of Nanostructured Tin Oxide" docx

Ngày tải lên : 22/06/2014, 01:20

... In spite of the relatively low speciﬁc surface areas presented, the catalysts achieved signiﬁcant ethanol conversion values at the beginning of the test The conversion of ethanol for the SnCe#550 ... annealing temperature of 1,100 °C On the other hand, for the samples annealed at temperatures lower than this, only the tetragonal SnO2 phase was observed, suggesting the formation of a solid solution ... range The spectra were collected using Mg Ka radiation and the overall energy resolution was around 0.8 eV The concentration of the surface elements was calculated using the system database after...

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Báo cáo hóa học: " Inﬂuence of Surface Modiﬁed MWCNTs on the Mechanical, Electrical and Thermal Properties of Polyimide Nanocomposites" ppt

Ngày tải lên : 22/06/2014, 01:20

... functional group consists of a secondary amide attached to the MWCNTs along with a long alkyl chain The long alkyl chain helped in preventing agglomeration and bundling of MWCNTs due to repulsive ... imidization, the amide linkage converted in to imide linkage (cyclization) with the evolution of water molecules The whole scheme of nanocomposites fabrication is illustrated in Fig Nanoscale Res Lett ... show the weight loss in two steps, the initial one before 400 °C is due to decomposition of the functional groups, while the other one relates to the oxidation of the nanotubes A weight loss of...

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Báo cáo hóa học: " The Inﬂuence of a Continuum Background on Carrier Relaxation in InAs/InGaAs Quantum Dot" ppt

Ngày tải lên : 22/06/2014, 18:20

... here) confirm the existence of a continuum of states in the spectral range of the QD transition energies in our samples Conclusion In conclusion, we have measured the rise and decay dynamics of the ... different emission peaks observed in the cw-PL spectrum on a time scale of 45 ps It is clearly visible that the rise times of the QD states are nearly identical We have found a rise time of 5.9 ± 0.2 ... quantified in the right plot of Fig These results clearly indicate that first-excited-state emission is observed even at excitation densities well below the level required for state filling in the ground...

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Inﬂuence of phenolic group content in lignin expanders on the performance of negative lead–acid battery plates pdf

Ngày tải lên : 05/07/2014, 21:20

... experimental data for the two families of lignins is probably a result of the inﬂuence of other functional groups in the lignin structure [2] In this particular case [2], the effect of the other functional ... expander of the skeleton Only a small number of Pb nuclei are distinguished on the skeleton The NAM surface here is small Hence, it can be concluded that during cycling the ‘‘energetic structure’’ of ... presents the end -of- discharge voltage at the 10th week-cycle as a function of the number of weeks Fig shows the dependencies of the number of week-cycles (giving the cycle life of the battery) on the...

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Inﬂuence of polymer additive on the performance of lead-acid battery negative plates ppt

Ngày tải lên : 05/07/2014, 21:20

... processes of lead sulphate in sulphuric acid solution The polymer was introduced in the paste for negative plate and in the cell electrolyte The effect of PASP on the performance of the negative plate ... recrystallization process of PbSO4 and, probably, will prevent the formation of large PbSO4 crystals during partialstate -of- charge operation 3.2 Inﬂuence of PASP additive on the capacity of the negative ... established with SEM at the end of HRPSoC tests Large polyhedral crystals of PbSO4 can be observed on the surface of the negative plate from R-cell (Fig 8a) The addition of PASP to the electrolyte...

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Báo cáo lâm nghiệp: "Inﬂuence of the fertilisation method in controlled ectomycorrhizal inoculation of two Mediterranean pines" ppt

Ngày tải lên : 07/08/2014, 16:21

... 0.12 g /L and 0.28 g /L, respectively The application of soluble fertiliser started one month after seedling germination (May) and it was stopped six months later at the end of the growing season (November) ... (November) Fertilisation with slow-release fertiliser (SRF) consisted of the application of 2.3 g /L substrate of Osmocote Plus (Scotts, Marysville, USA) 15-8-11 (totally released after 12 months, at ... irrespectively of the fertilisation method used (Tabs III and IV) DISCUSSION Laccaria laccata eﬀectively colonised almost all seedlings and the formation of ECM was not aﬀected by the fertilisation method...

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Báo cáo khoa hoc:" Simulation analysis to test the inﬂuence of model adequacy and data structure on the estimation of genetic parameters for traits with direct and maternal effects" ppsx

Ngày tải lên : 09/08/2014, 18:21

... Observed results depended on the connectedness level but also on the replacement rate of the females (each year, 1/5 of the females was replaced) At the beginning of the simulation, the direct ... reliable solution could be the use of DNA markers The conditions for successful DNA ﬁngerprinting depend not only on the cost of the method, but also on the breeding system of the animals (number of ... assess the relative importance of deviations from the ideal situation The second purpose of this article is to test, by simulation, the inﬂuence of data structure on the estimation of genetic parameters...

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