[PDF] Top 20 Characterization of decavanadate and decaniobate solutions by Raman spectroscopy

... Raman spectroscopy has been shown to be a suitable tool for investigating vanadate speciation, including oligomeriza- tion and its dependence on concentration, ionic strength and pH, 29 as ... See full document

... electrodeposition of an oxidation film containing phosphates on Ti-20Nb-10Zr-5Ta alloy from orthophosphoric acid solution is ...determined by X-ray diffractometry (XRD), Fourier transform infrared ... See full document

... intensities of various fluorescent species, the most complete fluorescent characteristics of the beers were obtained by using the front-face ...amount of light to be reflected directly into ... See full document

... V-NMR spectroscopy of 1 and 5 mM decavanadate solutions in DMEM, at pH ...ppm and V10C at −425 ppm (Fig. 1a). Conversely, in 1 and 5 mM metavanadate solutions ... See full document

... produced by honey-bees that pos- sesses a high amount of available sugars [1] and is a rich source of amino acids, vitamins, minerals and other biologically active com- pounds ...up ... See full document

... resonant Raman scattering allowing distinction between semiconducting and metal- lic species as well as a probable (n, m) ...this characterization, AFM is utilized to check on the tubes ...bias ... See full document

... Uma caracterização rápida e não-destrutiva da organização estrutural do material carbonoso pode ser conseguida através da espectroscopia micro-Raman, uma vez que podem ser obtidos espectros de áreas micrométricas. ... See full document

... eV) and, therefore, when both have to cross an overlayer, Zn 2p photoelectrons are much more attenuated than the Al 2p photoelectrons and, therefore the XPS ratio Al/Zn should come higher than the ... See full document

... area and present functional oxygen groups capable of promoting biological interactions ...biocompatibility and toxicity of graphene-based nanomaterials ... See full document

... successful. By analyzing each spectra and comparing with the others taken at different points of the same sample, it is possible to verify that, a more heterogeneous distribution is observed in blend ... See full document

... determination of the crystal structure by X-ray diffraction, several crystals of aforementioned compound were glued to glass ibres and mounted on a Bruker APEX II ...None of the data ... See full document

... layer of evapo- rated carbon. Secondary Electron and Backscattering Electron images were obtained using a JEOL JSM-6360LV ...itative and semi-quantitative chemical analyses in the EDS mode were ... See full document

... NIR and Raman spectrum is represented by 4407 and 3682 variables, respectively (figures 10 and ...function of Reflectance and wavenumber (cm -1 ...only by both ... See full document

... approved by the Ethics Committee of the Federal University of Sao Paulo-UNIFESP (CEP ...fragments of normal skin with no clinical or pathologic alterations, 10 fragments of cutaneous ... See full document

... functionalization of graphene oxide (GO) with polyethylene glycol (PEG) has been widely used in drug delivery ...presence of high concentrations of salts and proteins and shows low ... See full document

... Because of obvious coupling between sugar and phosphate groups, these bands are extraordinarily sensitive to the nucleic acid backbone conformation and provide a firm empirical basis for DNA ... See full document

... (5+1 by volume, 21 mL) and stirred in order to dissolve the precipitate ...separated and extractions with diethyl ether were performed (2 x 10 ...sulphate and concentrated under redu- ced ... See full document

... the Raman process can also occur by scattering of ...case of graphene, where the valence and conduction bands are almost mirror bands, this can lead to an important effect, that is the ... See full document

... distribution of the nanoparticles have a key role in determin- ing their fate following administration, their interaction with the cell membrane and their penetration across the physiological drug barriers ... See full document

... financial and infra-structure support of the Discipline of Nanotechnology and Molecular Science, Science and Engineering Faculty of the Queensland University of ... See full document