... ions) on the physical propertiesof ZnO nanostructures [19] The irradiation changes the amount of defects in ZnO nanorods resulting in changes in theopticalpropertiesof ZnO The effect ofthe ion ... comparison ofthe PL spectra ofthe ZnO NRs before and after the He+ ion irradiation is shown in Figure 2d It shows that the PL intensity ofthe near-band-edge decrease and the PL intensity ofthe deep ... The EL spectra reveal the same blue shift in the green emission as observed from the PL spectra The irradiation has a minor effect on the color-rendering propertiesofthe LEDs It decreases the...
... ions) on the physical propertiesof ZnO nanostructures [19] The irradiation changes the amount of defects in ZnO nanorods resulting in changes in theopticalpropertiesof ZnO The effect ofthe ion ... comparison ofthe PL spectra ofthe ZnO NRs before and after the He+ ion irradiation is shown in Figure 2d It shows that the PL intensity ofthe near-band-edge decrease and the PL intensity ofthe deep ... The EL spectra reveal the same blue shift in the green emission as observed from the PL spectra The irradiation has a minor effect on the color-rendering propertiesofthe LEDs It decreases the...
... defects in the AlGaAs capping layer are negligibly small Theoptical quality ofthe AlGaAs capping layer can be monitored by the PL intensity ofthe QW In the sample capped at 450°C, the PL intensity ... there was a clear difference in theoptical qualities between the 200°C-capped sample and the others In the sample capped at 200°C, incorporation of excess arsenic followed by the formation of ... the PL intensity is almost the same as that ofthe 580°C sample Even in the sample capped at 350°C, the intensity still remains at almost 50% of that ofthe 580°C sample These results illustrate...
... to the band-gap for the undoped Si-nw Fig 11 shows how the FE for the B and P codoped Si-nw changes as function ofthe position ofthe dopants within the nanowire In the figure, the inset show the ... energies and the excitonic effects through the solution ofthe Bethe-Salpeter equation (BSE) [34] The effect of local fields is also included, to take into account the inhomogeneity ofthe systems ... increases as the impurity concentration lowers (the impurities here are located in the position of Fig 11), approaching asymptotically the value ofthe band-gap ofthe undoped Si-nw This is another indication...
... ofthe metal, dependence on the metal thickness and the study ofopticalpropertiesof metal coated microspheres), theopticalpropertiesof metamaterials made with stacked hole arrays and the ... decide the timestepping At any point in space, the updated value ofthe H-field in time is dependent on the stored value ofthe H-field and the numerical curl ofthe local distribution ofthe E-field ... involved, however there is still a lot of work to in order to fully understand thepropertiesof these modes, and exploit them Precisely, throughout this thesis the reader will find a part ofthe efforts...
... character of type-II heterostructures The other supporting evidence ofthe type-II luminescence is the linear dependence ofthe PL peak energies over the third root ofthe excitation density [20] The ... inset of Figure 3b shows the linear dependence ofthe PL peak energies and the third root ofthe excitation power Many researchers attributed the high energy PL peak to the transition ofthe wetting ... independent ofthe excitation power which is a typical feature ofthe type-I band transition Therefore, the interband transition ofthe GaSb QD would be the only proper origin ofthe high-energy...
... catalyst Page of (c) EDS (b) (103) ZnO NW nm Figure TEM images of 3SZO NW (a) The location and the size ofthe Au catalyst, the present of Au catalyst, is demonstrated the VLS method (b) The HR-TEM ... compressive stress because the chemical bonding distance of Ag-O is longer than that of Zn-O [35,36] In the case of 3SZO and 5SZO NWs, the surface ofthe SZO NWs is crumpled because ofthe stress by doping ... SAED pattern (inset) reveal the (103) primary growth plane ofthe 3SZO NW (c) TEM image of Ag cluster shape in the 3SZO NWs The inset is a HR-TEM image ofthe 3SZO NWs The metal cluster, red circle...
... blue-shift ofthe energy peaks ofthe order of several meV in the studied spectra These results were found for two quantum dot sizes, in the first one the characteristic quantities ofthe harmonic ... This is because the mean spatial separation between the electron and the hole increases, and therefore the Coulomb interaction decreases, as the energy ofthe quantum state increases The final result ... exists in the quantum dot Figures and reproduce the reported results quite well [5,8] regarding the enhancement ofthe nonlinear optical coefficients due to the quantum confinement ofthe exciton...
... character of type-II heterostructures The other supporting evidence ofthe type-II luminescence is the linear dependence ofthe PL peak energies over the third root ofthe excitation density [20] The ... ofthe excitation power which is a typical feature ofthe type-I band transition Therefore, the interband transition ofthe GaSb QD would be the only proper origin ofthe highenergy peak In the ... process ofthe sample, the InGaAs cap layer was doped with Si Because the dope concentration was relatively high, the Fermi level ofthe InGaAs layer may possibly be higher than the bottom of the...
... character of type-II heterostructures The other supporting evidence ofthe type-II luminescence is the linear dependence ofthe PL peak energies over the third root ofthe excitation density [20] The ... ofthe excitation power which is a typical feature ofthe type-I band transition Therefore, the interband transition ofthe GaSb QD would be the only proper origin ofthe highenergy peak In the ... process ofthe sample, the InGaAs cap layer was doped with Si Because the dope concentration was relatively high, the Fermi level ofthe InGaAs layer may possibly be higher than the bottom of the...
... clusters of nanowires The clusters may result from the situation that the nanowires not cover by the framework of AAO template but stand free incompletely When the alumina on the top of AAO template ... estimated that the length ofthe nanowires is about several tens of micrometers It corresponds with the thickness ofthe AAO template which we used TEM images of SnS nanowires formed within the AAO ... corresponding to the value of (101) planes ofthe orthorhombic SnS nanowires Energy dispersive spectrometer (EDS) analysis reveals that the product is composed of stannum and sulfur, and the ratio of the...
... time of heatsetting (air, solvent or water) and the tension applied to the substrates during heatsetting [11, 12] The essence of this paper is to determine the effect of time of heatsetting on the ... Figure Effect of time of heatsetting on the linearity of load extension in weft direction of knitted Ingeo™ Poly (lactic acid) Figure Mean effect of time of heatsetting on the linearity of load extension ... [PLA] Figure Mean [Ā] of effect of time of heatsetting on the tensile extension EM [%] of Ingeo™ Poly (lactic acid) 3.2 Linearity of load extension curve LT [-] The linearity of load extension curve...
... in the ECM, and the pH ofthe ECM control the filtering aspect ofthe ECM The ECM is a transit area for the passage of nutrients from the bloodstream into the cells and for toxins released by the ... improve the electrical functions ofthe ECM Therefore the composition and degree of toxicity ofthe ECM-glycocalyx interface will affect the electrical field and the flow of biocurrents in the ECM The ... between the inside ofthe cell and the outside ofthe cell The difference is known as the membrane potential • Because the membrane potential is created by the difference in the concentration of ions...
... disappearance of specific resonances without the concomitant appearance of other signals in other parts ofthe spectrum This result could be a consequence ofthe paramagnetic propertiesof Fe(II), ... Titration of CyaY with Fe2+ and Fe3+ Addition of Fe2+ induced the displacement of several resonances in the [1H,15N]-HSQC NMR spectrum of CyaY, but the most striking consequence ofthe addition was the ... induce a line ˚ broadening of 1–100 Hz in nuclei located within A ofthe binding site, depending on the molecular mass ofthe protein and the strength ofthe magnetic field The only exceptions are...
... in the apparent Km values for these substrates The interpretation of these results is complicated because the levels of uncoupling will be variable depending on the mutant and the nature ofthe ... binding In the case ofthe R258K mutant this may be allowed because of disordering ofthe lysine side-chain, as was previously observed for the R258Q mutant (Fig 1) [17] In the case ofthe R258H ... of mutations appears to be similar regardless of whether the prime substrate was penicillin G or ampicillin Utilization of 2-oxoglutarate by the R258 mutants The level of 2-OG conversion in the...
... compounds of interest in the prevention of colon cancer In the present study, we investigated the relationship of different structural factors of procyanidins, such as the mean degree of polymerization ... 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 ... spectroscopy to test the radical-scavenging capacity ofthe fractions The results show that the oligomeric fractions (VIIIG, IVG, VIIIP and IVP), which were the most effective in the previous assays...
... domain of PABPN1 consisting of amino acids 1–125 ofthe wild-type protein (N-WT) Because the aim of this study was to investigate the effect on the fibrillation propertiesofthe most extreme disease-associated ... using the nanoscope analysis software Chemical stability of fibrils The chemical stability of fibrils was tested after the fibrillation process was completed (no further rise of ANS signals) The sample ... [26] The formation of amorphous aggregates was independent ofthe presence or length ofthe poly l-alanine sequence In contrast, no amorphous aggregates were observed with the N-terminal domain of...
... in isolation, they have an elevated tendency to self-associate To further characterize the nature of aggregation of FXR proteins, we have carried out a study of their aggregation properties using ... average diameter of 10 nm (Fig 6D) They also clustered together and were often found to be decorated with the uranyl acetate stain Taken together these results confirm a marked tendency of FXR constructs ... analysed the secondary structure content at different temperatures of FMRP Nt-KH1 (residues 1–280), the longest ofthe FMRP fragments we could obtain in a stable form (Fig 3A) The spectrum of Nt-KH1...
... in the affinity ofthe PLRP2 for micellar substrates, and probably allows the interaction ofthe enzyme with the substrate structure Whether the motion ofthe lid promotes the recognition ofthe ... 79 and resulting in the unmasking ofthe catalytic triad ofthe enzyme induced by the motion ofthe flap The accessibility ofthe active site can be tested using the ability of an organophosphate, ... ofthe PLRP2 subfamily The aim of our study was to investigate the contribution ofthe N-terminal and C-terminal domains to the particular behavior of hoPLRP2 The structural organization of the...
... Fourier transform (FFT) The numerical results for the four different sizes and geometries ofthe clusters are given in table The value ofthe gap energy decreases as the size ofthe cluster increases, ... sensitive to the surface effects and the shape ofthe silicon quantum dots The theoretical calculations are based on the empirical pseudopotential method (EPM) for the electronic structure of silicon ... resembles that of density -of- state spectrum in amorphous silicon and indicates the presence of amorphous silicon like structure in the film The disorder in the surface layer ofthe silicon particles...