... andthe A- andthe P-loops (that are the stem loops of helices H80 and H92) The second (middle) shell includes helices H80 and H92, the stems ofthe A- andthe P-loops, H74 and H90 The outer shell ... Analysis ofthepropertiesof this region illuminated a unified mechanism for the formation ofthe peptide bond, the translocation ofthe tRNA molecules andthe entrance of nascent proteins into the ... formation, andthe shift ofthe acceptor stems ofthe tRNA Sovereign motions of structural features ofthe tRNA, although of a different nature, were suggested previously and are the basis for the hybrid-state...
... size andthe density of ceramics have a strong effect on dielectric, piezoelectric and ferroelectric propertiesof ceramic materials The relationships between the grain size andthe density of ... hysteresis loops depend on dielectric loss ofthe material Therefore, thedielectric loss increases, the size ofthe hysteresis loops increases, the remanent polarization Pr andthe coercive field Ec ... tan = 0.005 and Pr = 34,5àC/cm2 - On the basis ofthe experimental results ofthe effects of temperature and frequency on the dielectric, ferroelectric, piezoelectric propertiesof ceramics has...
... capacitance ofthe grain and air in the pores It is well known that the capacitance of air is very much less than that ofthe grains.17 Therefore, the less dense sample has a lower dielectric ... propertiesofdielectric materials, including the contents of individual crystalline, secondary phases andthe degree of densification Therefore, a series of experiments was performed to find the optimum ... compositions The sample with composition MBNT4 showed the highest dielectric constant in the range of 75 to 85 with different sintering temperatures The value ofthedielectric constant Journal of Physical...
... significantly absorbed in the intestinal tract, and reach the colon mainly intact [27] They are therefore bioavailable to the epithelial cells in the intestinal wall, where procyanidins and other phenolics ... investigated the relationship of different structural factors of procyanidins, such as the mean degree of polymerization and percentage of galloylation, with their antiproliferative potential and their ... from green tea, is a potent antioxidant and chemopreventive agent [21,22] These and other results suggest that the galloylation of catechins andthe presence of gallocatechin moieties in natural...
... sodium dithionite The EPR spectra andthe redox propertiesof chlorite dismutase are, surprisingly, more similar to those ofthe globins than ofthe heme enzymes The midpoint potential of chlorite ... aliquots of where B is the maximum absorbance difference, [L] is the ligand concentration, Aobs is the observed absorbance, and A0 is the absorbance without ligand Preparation of NO adduct of chlorite ... peroxide concentration, the Soret band decreases as the result of further oxidation ofthe heme by the excess hydrogen peroxide EPR spectroscopy of chlorite dismutase and adducts Ferric chlorite...
... by DSC to be the Tm ofthe protein These fibrils are amyloidogenic, as determined from their Stability and fibril formation of TTR and TRP tinctorial properties in the ThT-binding and CR-binding ... heating These fibrils are similar both in shape and in dimension to the fibrils of hTTR and sbTTR formed by heatingThe thick and straight morphology of heat-induced fibrils of hTTR, sbTTR and ecTRP ... thermal stability Furthermore, there is a clear correlation between thermostability and molecular volume occupied by the tetramers (Table 1) The difference between the tetrameric volume and the...
... conformation and hydrogen bonding network ofthe pterin cofactor in the three structures Superpositions ofthe binary and ternary complexes of hPAH onto the crystal structure ofthe ligand-free dimeric ... features of its hysteretic properties Thus, the structures ofthe binary and ternary complexes of hPAH have provided a detailed picture ofthe protein contacts involved in the binding of biopterin cofactor ... required for the cofactor inhibition of phosphorylation (data not shown) The molecular basis for the negative modulatory effects ofthe pterin cofactor and dopamine binding to wt-hPAH and their reversal...
... in the EPR tube They contained 24 mg Rc1Fe per mL and 0.6 mg Rc2Fe per mL in the case ofthe Fe nitrogenase and 28 mg Rc1Mo per mL and 0.7 mg Rc2Mo per mL in the case ofthe Mo nitrogenase The ... type of nitrogenase cluster [27–31] In view ofthe lack of analogous studies on the cofactor andthe P-cluster ofthe MoFe protein from R capsulatus (Rc1Mo), as well as our intention to use the ... stems from the P3+ cluster, then the g ¼ 2.27 feature derives from the FeFe cofactor On the other hand, if the broad signal, despite its unusual properties, represents the P1+ cluster, the narrow...
... close to the wavenumbers ofthe strongest modes of monoclinic tungsten oxide The two bands at 270 and 327 cm−1 had been assigned to O W O bending modes ofthe bridging oxide, while the 712 and 807 ... determine whether the crystalline structure is triclinic or monoclinic, since their position and relative intensity is very similar On the other hand, the intensity distribution ofthe diffraction ... consists of W 4f7/2 and W 4f5/2 doublet peaks with the spin-orbit splitting energy of 2.1 eV Fig 6A and B shows W 4f XPS spectra of N2 annealed samples at the two temperatures of 400 and 600 ◦...
... kinetic propertiesof NR1, and as we have shown for CPR and P450 BM3 (23,24,28) thepropertiesofthe flavin binding domains of NR1 are likely to mimic the redox propertiesofthe domains in full-length ... spectroelectrochemical titrations ofthe isolated FAD/NADPH and FMN domains of NR1 enabled the determination ofthe midpoint reduction potentials for the oxidized/semiquinone (E1) and semiquinone/hydroquinone ... FAD/NADPH domain andthe oxidized FMN domain The lack of a second order dependence ofthe observed rate for interdomain electron transfer as the Ó FEBS 2003 Redox propertiesof human NR1 (Eur...
... diminish in the presence of either drug In fact, the Soret band is blue-shifted, the charge transfer band is red-shifted andthe a band is decreased in intensity with respect to the b band The spectral ... q FEBS 2001 vicinity ofthe binding site(s), affecting both the structure andthe ligand binding propertiesofthe whole HSA molecule [1 –11] The interaction of ligands with HSA occurs mainly ... Â 1028 M and n ¼ 1.0 ^ 0.1, in the absence of drugs, and Kd ¼ 1.5 ^ 0.2 Â 1027 M and n ¼ 1.0 ^ 0.1, in the presence of ibuprofen and warfarin The haem concentration was 1.0 Â 1027 M The electronic...
... conducted the statistical analyses and wrote the manuscript BK and URS were the principal investigators ofthe study; they designed the study's concept and supervised the writing ofthe manuscript ... psychometric propertiesThe first psychometric property of interest is the dimensionality ofthe assessment Analyses of this property could reveal whether the children themselves and their parents ... indicator of a chronic health condition Proxy report data were available for 7,166 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...
... conducted the statistical analyses and wrote the manuscript BK and URS were the principal investigators ofthe study; they designed the study's concept and supervised the writing ofthe manuscript ... psychometric propertiesThe first psychometric property of interest is the dimensionality ofthe assessment Analyses of this property could reveal whether the children themselves and their parents ... indicator of a chronic health condition Proxy report data were available for 7,166 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...
... [29] Page of 12 The temporal behavior ofthe channel capacity can be investigated with the help ofthe LCR and ADF ofthe channel capacity The LCR ofthe channel capacity is a measure ofthe expected ... presents the derivation and analysis ofthe PDF, CDF, LCR, and ADF ofthe instantaneous channel capacityc of spatially correlated Nakagami-m channels, for both MRC and EGC The PDF ofthe channel ... can be found with the help of (4) and by employing the relation pg(z) = (1/gs) pΞ (z/gs) Thereafter, applying the concept of transformation of random variables, the PDF pC(r) ofthe channel capacity...
... supported by the Thailand Research Fund (TRF) andthe National Research University Project under Thailand's Office ofthe Higher Education Commission (OHEC) The Faculty of Science andthe Graduate ... the BNZT ceramic experiments, analysis, and writing ofthe manuscript AR carried out the crystal structure investigation ofthe specimens SJ and AW participated in the conception and design of ... with the matrix phase and therefore could not be detected by the XRD technique Figure displays the compositional dependence of BNZT ceramics ofdielectric constant at frequencies of 1, 10, and...
... that the emission area in this high field region not changed, andthe stability of field emission is high The slopes and intercedes of these plots in the high field region are the same, showing the ... influences the length of as-obtained nanowires Actually, the length ofthe nanowire depends on the thickness as well as the growth time Given that the growth reaction is completed, we observe that the ... are the same With the temperature increasing, the turn-on field is 2.0, 5.5 and 7.0 V/lm, respectively The turn-on field for the former one is lower than that ofthe latter two, mainly because they...
... the BNZT ceramic experiments, analysis, and writing ofthe manuscript AR carried out the crystal structure investigation ofthe specimens SJ and AW participated in the conception and design of ... at room temperature of BNZT ceramics The samples sintered at 950°C were measured at frequencies of 1, 10, and 100 kHz Page of Table Dielectric constant and loss ofthe BNZT and BNZ ceramics x ... Thailand’s Office ofthe Higher Education Commission (OHEC) The Faculty of Science andthe Graduate School of Chiang Mai University is also acknowledged P Jaiban would like to acknowledge the...
... considering only thermal population effects in the range of 15–60 K, we have imposed and solved a set of rate equations The solutions gave us the expressions for the intensities I1, I2 and I3: I1 ðTÞ ... demonstrated that the PL of CdSe core and CdSe/ZnS core/shell QDs in the first ns arises from the intrinsic bright ± 1U and ± 1L states with lifetime of about 60 ps and 450 ps, respectively, and from surface ... relative weights of each process, the longest component being more and more important by detecting wavelengths from the blue to the red side ofthe whole emission spectrum Moreover, the nonexponential...
... provided by microwave or conventional heating increased the yield of 5b, ii) in case ofthe oxidation of 4, the assistance ofmicrowave or ultrasound increased the formation of 1a by cleavage of a methyl ... Structure of substrates and products in the oxidation of alkylarenes 2.RESULTS AND DISCUSSION The stoichiometric factor investigated on the oxidation of diphenylmethane in two methods (microwave and ... 15 mL of diethyl ether The combined extracts were filtered through a 1.5–2 cm layer of celite 545, and then dried (anhydrous Na2SO4) After removal ofthe solvent by rotational evaporation, the...
... where Oc is the percentage of organic content, WI is the initial weight ofthe water hyacinth fibers and WF is the weight ofthe fibers after heatingThe level of organic content in the water hyacinth ... between the cellulose andthe LDPE matrix Therefore, the mechanical propertiesofthe composites had improved Elongation at break ofthe pure LDPE was higher than the corresponding values for the ... increased to the point of being comparable to that of pure LDPE The presence of a coupling agent improved the mechanical propertiesofthe composites A comparison ofthe SEM micrographs for the fracture...