... containing 30 mM SnCl2 and 100 mM Na2S2O3 was used The pH value ofthesolution was around 1.8 before deposition The temperature ofthesolution was kept at 10 °C The potential applied to the cathode was ... 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, andthe ratio ofthe ... that the SnS nanowires have high absorption in the range of ultraviolet, andthe absorption coefficient is above the 70% The absorption reduces rapidly with the increase in the wavelength, and the...
... difference of cell configurations andthe quality ofthe dye However, in the same condition, the conversion efficiency of sea urchin-like ZnO nanostructures is superior to that ofZnOnanorod arrays ... 2a and b displays the low magnification and high magnification SEM images ofthe sea urchin-like ZnO nanostructures, respectively The intact morphologyof an individual sea urchinlike ZnO nanostructure ... which confirm the well-crystallized particles of prepared ZnO Fig 1b shows the UV–visible optical absorption characteristics ofthe sea urchin-like ZnO Excitonic absorption peak oftheZnO sample...
... approaching asymptotically the value ofthe band-gap ofthe undoped Si-nw This is another indication of how doping can modify the electronic andopticalpropertiesofthe Si nanostructures Conclusions ... for the eye The dashed line corresponds 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 ... how the FE andthe electronic propertiesofthe Si-nc are influenced bythe insertion of more and more impurities We call this insertion of several impurities multidoping Fig shows how the FE of...
... away from the heme normal (z axis), a is the angle between the projection ofthe tilt ofthe z axis on the xÂ, y plane (dened direction of tilt of z andthe x axis), and j % a + c denes the location ... The two structures of WT metHb and rWT metHbH2O, exhibit signicant differences in the interaction ofthe FG loop with the heme and in the position ofthe B-helix, with Tyr32(B10) closer to the ... supported bythe relaxation propertiesofthe CeHs signal (see above) The hydroxyl proton position is not directly determined in the crystal structure, but can be inferred bythe position of other...
... 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 ... 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 ... with the 2DEG, electrons will still be blocked bythe GaSb barrier and will not enter the QDs Therefore, this structure will prolong the lifetime ofthe holes So, the QD-FET based on the above band...
... Page of (c) EDS (b) (103) ZnO NW nm Figure TEM images of 3SZO NW (a) The location andthe size ofthe Au catalyst, the present of Au catalyst, is demonstrated the VLS method (b) The HR-TEM and ... SZO NWs, and demonstrate that the doping control ofZnO NWs is possible bythe concentration control of Ag wt.% in targets To understand the origin ofthe chemical bonding, binding energy of Ag ... 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 effect...
... image ofthe nanowire (e) High-resolution image of a portion ofthe nanowires The inset of (a) shows a higher magnification image of sample A; the inset of (b) is a top view image; the inset of ... substrates [17] The NWs density is mainly governed bythe nucleation kinetics of clusters on the surfaces, andthe NW density r is determined bythe materials deposition rate andgrowth temperature: ... characterization The effects ofgrowth temperature on the frequency shift of longitudinal optical (LO), transverse optical (TO), and surface optical (SO) modes are analyzed Furthermore, a splitting of TO...
... 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 ... 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 ... with the 2DEG, electrons will still be blocked bythe GaSb barrier and will not enter the QDs Therefore, this structure will prolong the lifetime ofthe holes So, the QD-FET based on the above band...
... 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 ... 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 ... with the 2DEG, electrons will still be blocked bythe GaSb barrier and will not enter the QDs Therefore, this structure will prolong the lifetime ofthe holes So, the QD-FET based on the above band...
... from solutionbythe rest ofthe protein There is no correlation between the complex stability andthe rate of its formation The Ni(II) for Cu(II) exchange rates for peptides are ofthe order of ... complexes of GGH, where the a carbon ofthe His residue is the sole source of chirality [10] However, while positions ofthe component dd bands andof CT transitions are relatively constant, their ... by albumins On the other hand, the direct thermodynamic and kinetic characterization of Ni(II) binding at site I in HSA and BSA was obtained These data can be very useful in further studies of...
... between the magnitude ofthe changes in Fe-His band frequencies andthe redox potential values This is exemplied bythe case of CCP and its mutants D235E, D235N and D235A [27] The H-bond between the ... bythe pH, are assigned by analogy to myoglobin and cytochrome c peroxidase (CCP) [22,23] to out -of- plane modes ofthe porphyrin ring itself together with the bending modes ofthe propionyl and ... comparison ofthe electronic absorption and RR spectra ofthe wild type and Thr171Ser either in the presence ofthe aromatic donor BHA or at alkaline pH Addition of saturating amounts of BHA did...
... determined by DSC for the wild type (WT) and mutant Tms The uncertainties listed are the standard errors ofthe mean and included the uncertainty in the determination of protein concentrations The values ... the third transition, either because of lack of resolution or because the transition was invisible to this probe Thus, the analysis ofthe melting profile of human Tm was enhanced bythe use of ... that they unfolded in a multistep process The thermal-induced unfolding was highly reversible (> 95%), as shown bythe repeatability ofthe DSC endotherms upon rescanning andthe recovery of the...
... implying that thenanorodgrowth occurs along 〈010〉 direction The length ofthe tungsten oxide nanorods can be easily varied by simple changes in the reaction parameters Shorter nanorods of 25 ( nm ... irrelevance to the band structures ofthe tungsten oxide system In summary, we have reported the first solution- based preparation of soluble and highly crystalline tungsten oxide nanorods of varying ... COMMUNICATIONS Comparing the intensities ofthe (010) and (014) peaks ofthe sample with those ofthe bulk W18O49, it was found that the relative intensity of (010) has been dramatically...
... at the proform level ofthe cathelicidin [21], and this structure is likely to persist in the mature peptide Indeed, it may explain the different activity spectra and potencies observed for the ... reaction, by analogy to other cathelicidins such as SMAP-29, BMAP-27 and BMAP-28 The amidated form would further increase the charge ofthe dimer to +28 (see Table 1) Here we further investigated the ... on the surface of both the E coli and S aureus cells The dimeric peptide, in particular, can be seen to have caused the complete collapse ofthe membrane in E coli, and severe disruption of the...
... Appearance of no absorption peak in the case of Au/Ag =1/9 indicates the formation of neither type of nanoparticles On the other hand, the SPR peak positions (Fig.1, right) ofthe colloidal solutions ... real part ofthe sum ofthe scattering coefficients an and bn, and are function of particle radius, and light wavelength λ (in terms ofthe Ricatti-Bessel functions) As the absorption band of noble ... dominated bythe free electron behavior, the dielectric function can be described well through the Drude´s model The magnitudes ofthe real and imaginary parts ofthe dielectric function ofthe particles...
... http://www.nanoscalereslett.com/content/7/1/26 temperatures on the structural propertiesofthefilms has been investigated, andtheopticalpropertiesofthefilms have also been analyzed Methods Synthesis ZnS films were deposited onto ... 40 kV and 40 mA The surface morphologyand grain size ofthefilms were determined by FESEM (Hitachi S-4800; Hitachi, Ltd., Tokyo, Japan) The thickness ofthefilms was estimated using the cross-sectional ... draft ofthe manuscript JHA analyzed thepropertiesand helped draft the manuscript KNH and KSH detailed the original idea and modified the first draft of manuscript YGS finalized the manuscript and...
... propertiesofthe nanoparticles [34] Theopticalpropertiesofthe nanostructures have been investigated earlier using many techniques, among them is the diffuse reflectance spectroscopy [35] The main ... compared with the other prepared nanoparticles (zinc ferrite and cobalt zinc ferrite nanoparticles) This is due to the effect ofthe change of color on theopticalpropertiesofthe ferrite nanoparticles ... explained the magnetic properties & SEM images and contributed in the writing ofthe manuscript MMSW participated in the conception and design ofthe study, prepared the nanoparticles, explained the...
... deeper band tails extended in the gap and thereby, leading to a decrease in the value ofoptical band gap 123 ThinFilmsof a-GaxSe100-x nanorods have been synthesized by thermal evaporation technique ... (hm) ofthin films of a-GaxSe100-x nanorods solids The presence of high concentration of localized states in the band structure is responsible for the decrease in optical band gap on increasing the ... system of GaxSe100-x nanorods obeys the rule of indirect transition andthe relation between theoptical gap, optical absorption coefficient a andthe energy hm ofthe incident photon is given by...
... studied thegrowth angle effect ofthefilms for opticalpropertiesThe thickness oftheZnOthinfilms was checked by FE-SEM and was fixed at 100 nm Three growth angles (0°, 15°, and 30°) ofthe ... has the best condition on average and low values The transmittance and reflectance are slightly changed bythegrowth angle ofZnOfilms Figure shows the reflectance patterns oftheZnOfilms ... patterns oftheZnOfilms All ZnOfilms showed different patterns according to the wavelength of incidence rays TheZnO film with a 0° growth angle has the lowest reflectance of 10.81% at 418 nm The...