Mostrando 221 - 240 Resultados de 441 Para Buscar '"dosis"', tiempo de consulta: 0.08s Limitar resultados
  1. 221
    “…Diffusion-ordered NMR spectroscopy (DOSY) constructs multidimensional spectra displaying signal strength as a function of Larmor frequency and of diffusion coefficient from experimental measurements using pulsed field gradient spin or stimulated echoes. …”
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  2. 222
    “…CV errors of ca. 7–9 and 14–16% were achieved for all parameters with the models from the (1)H NMR spectra and the DOSY NMR data, respectively. The prediction errors for the validation samples were in a similar range for the partial least squares model from the (1)H NMR data and for a multiple linear regression using the DOSY NMR data. …”
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  3. 223
    “…The diffusion coefficient was used to calculate the hydrodynamic radii of supramolecular assemblies and build relative molecular models. DOSY data were integrated with NMR imaging (MRI) measurements and atomic force microscopy (AFM) imaging.…”
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  4. 224
    “…In [D(6)]benzene solution, complexes 1, 2 and 5 were found by using (1)H DOSY NMR to exist in rapid equilibrium between aggregates with average aggregation numbers of 2.5, 2.4 and 3.3, respectively, at 0.05 m concentration. …”
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  5. 225
    “…In this paper, we show how to use Comsol and Dosie packages to optimize rate-based light dose, and we present Dosie’s newly developed domination sub-maps method to improve the planning of the delivery of the effective rate-based light dose. …”
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  6. 226
    “…While complex 6 is shown to maintain its monomeric solid-state structure, (1)H DOSY experiments of 7 at 298 K reveal two separate normalized diffusion coefficients consistent with the presence of the bimetallic species [(TAC)(2–x)Zn(2){O(2)P(OPh)(2)}(4)], (x = 1 or 0) and free TAC ligand.…”
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  7. 227
    “…After eribulin treatment, DOSI revealed a significant decrease in HHb concentration and increased SO(2) during the observation period. …”
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  8. 228
    “…It supersedes the popular DOSY Toolbox, which has a narrower focus on diffusion NMR. …”
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  9. 229
    “…An emerging functional imaging technology, Diffuse Optical Spectroscopic Imaging (DOSI), was used to obtain quantitative measures of near infrared (NIR) AT optical and physiological properties. …”
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  10. 230
    “…Here, we demonstrate that diffusion ordered spectroscopy (DOSY) nuclear magnetic resonance (NMR) method enables the determination of a very broad distribution of extracellular nanoparticles, ranging from 1 to 500 nm. …”
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  11. 231
    “…A special consideration was paid on the detailed spectroscopic analyses of the obtained water-soluble constructs, including ROESY and diffusion-ordered (DOSY) NMR spectroscopy studies. The versatility and significance of DOSY technique for the analysis of the cyclodextrin complexes and its non-covalent systems with branched polymers, were presented. …”
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  12. 232
    “…Moreover, our data provide unique insight into the dynamics of breast tissue composition and demonstrate the effectiveness of DOSI as a technique to study human lactation physiology.…”
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  13. 233
    “…The octol of a new rigid, tetraarylene-bridged cavitand was investigated for self-assembly behaviour in solution. (1)H and DOSY NMR spectroscopic experiments show that the cavitand readily dimerizes through an unusual seam of interdigitated hydrogen-bonds that is resistant to disruption by polar co-solvents. …”
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  14. 234
  15. 235
    “…Braun Medical Ltd Easypump® II LT 270-27- S and Spirit Ltd Medical Dosi-Fuser® L25915-250D1) was evaluated during 14 days of (2°C–8°C) fridge storage followed by 24 h exposure in-use temperature at 32°C, when reconstituted with 0.3% citrate buffer at pH 7. …”
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  16. 236
    “…The work presented illustrates the potential of pure shift DOSY to be applied to chemistries that give rise to mixtures of compounds in which the NMR signal resolution is poor. …”
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  17. 237
  18. 238
    “…Here, an approach that relies on 2D DOSY NMR analysis is described that provides a measure of lignin's molecular weight. …”
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  19. 239
    “…This study established the conditions and solvent dependence of the catalysis through NMR monitoring, with mechanistic insight provided by NMR (including DOSY) experiments and X‐ray crystallographic studies of several model lithio intermediates.…”
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  20. 240
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