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2009 SEP 23 ... advanced state-of-the-art techniques such as positron annihilation spectroscopy (PAS), small-angle neutron scattering (SANS), small-angle X-ray scattering (SAXS) and others. The ... using these characterization techniques. The concise text not only includes classical Diffraction, Spectroscopic and Microscopical techniques but also advanced state-of-the-art ...
2009 APR 14 ... mixing is also manifested by the reduction of the total multilayer thickness measured by smallangle. X-raydiffraction."
Chomiuk and colleagues published their ...
2009 JUL 27 ... that self-assemble from mixtures of DNA and mixed neutral and cationic lipids. Using smallangle x-raydiffraction and freeze-fracture cryo-electron microscopy, we find that ...
2009 APR 14 ... structure characterized by an average Si-O-Si bond angle of 148 degrees and with small-ring concentrations as derived from the intensities of the experimental Raman defect ... probes. Fair agreement with experiment is achieved for the total neutron and total x-ray structure factors of all models, indicating limited sensitivity of these structure ... and ring statistics."
"We first address the results of typical diffraction probes. Fair agreement with experiment is achieved for the total neutron and total x-ray ...
2009 MAR 30 ... ccAQLVFFA. At a pH range of 3-4, where cytosine is expected to be partially protonated, small-angle X-ray scattering analyses revealed the nucleobase peptide assembles to be ... the Journal of the American Chemical Society report.
"FT-IR and X-ray diffraction confirmed beta-sheet-rich assembly with the characteristic cross-beta architecture of ...
2009 NOV 3 ... speckles in diffraction patterns from soft animal tissue, obtained with an optimized smallangle X-ray setup that exploits the natural coherence of the beam. By phasing these ...
2009 MAR 3 ... of gold NPs in the structures generated at the air-polymer interface was observed. Small body-centered cubic (bcc) crystals of about 20 nm diameter were formed in the first ... transmission electron microscopy, field emission scanning electron microscopy, and small-angle X-raydiffraction). In the second step, bcc crystals aggregated, forming compact ...
2009 JUL 13 ... strong interactions between drug and polymers. Data obtained from X-raydiffraction and smallangle X-ray scattering indicated that the incorporation of ACT did not disturb the ...
2009 JUN 16 ... and their structural and interfacial character investigated by X-raydiffraction, small-angle X-ray scattering (SAXS) and Raman spectroscopy," scientists writing in the ...
2009 MAY 12 ... microm. Wide-angle X-raydiffraction reports the amount of hydroxyapatite crystals, and small-angle X-ray scattering reports that of voids in crystallites. All three methods showed a ...
2009 MAY 12 ... have been presented. According to a study from Hyogo, Japan, "The quality of small-angle X-ray scattering (SAXS) patterns from quick-frozen hydrated biological specimens ... dimethyl sulfoxide or methylpentanediol ensured ideal vitreous ice formation and good diffraction qualities for up to 100 microm from the specimen surface. Glycerol and sucrose were ...
2009 MAY 12 ... According to recent research from the United States, "When one performs a coherent small-angle X-ray scattering experiment, the incident beam must be spatially filtered by slits ... coherence length of the source which is typically around 10 microm. The Fraunhofer diffraction pattern of the slit is one of the important sources of background in these ...
2009 APR 7 ... nanoparticles seemed to be; highly disordered, as it did not lead to a pronounced small-angle X-ray reflection. Storage at higher temperatures led to a transformation of the ... using photon correlation spectroscopy, differential scanning calorimetry, X-ray diffraction, and transmission electron microscopy. The release of the model drug diazepam from a ...
2009 APR 14 ... "Such a high photocatalytic activity is explained with large surface area and small crystal size with wormhole-like mesoporous structure."
Kim and ... scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), wide angle X-raydiffraction (XRD), Brunauer-Emmett-Teller (BET) analysis, and ...
2009 FEB 17 ... of different chain length and saturation, using differential scanning calorimetry, small and wide angle X-raydiffraction and infrared spectroscopy. It has been found that ...
2009 APR 14 ... with gradually changing resolution at three detector bank (90 degrees, low angle and smallangle)."
"Typical measuring time to obtain a ... a 'Rietveld-quality' data is several minutes with the sample size of laboratory X-ray diffractometer. To promote industrial application, a utilization system for this ... industrial users who are willing to use neutron but have not been familiar with neutron diffraction. The analysis software is also very important for powder diffraction, we will also ...
2009 AUG 31 ... between the two treatments. Lipid analysis of acetone-treated skin revealed that only small fraction of lipids were extracted consisting of predominantly nonpolar lipids. ... skin. This reflects the undisrupted lipid organization, as determined by small-angle X-raydiffraction measurements: the long-periodicity lamellar phase was still present ...
2009 AUG 25 ... selectively (A/K, 12.2) oxidized by the dimeric complex to cyclohexanol (A, CyOH) and a small amount of the further oxidized product cyclohexanone (K, CyO). However, interestingly, ... around 485 nm (epsilon, 5760 M(-1) cm(-1)) in 6, possibly due to the higher Fe-O-Fe bond angle in the latter (4, 177.4; 6, 180 degrees). The Fe(III)/Fe(II) redox potentials of the ... molecular structures of 4 and 6 have been successfully determined by single crystal X-raydiffraction. Both 4 and 6 possess the Fe-O-Fe structural motif with each iron atom ...
2009 NOV 9 ... unit. In addition to X-raydiffraction, the researchers have used a technique called smallangle X-ray scattering, which revealed that the Pur-alpha protein forms dimers - two ...
