Mostrando 281 - 300 Resultados de 441 Para Buscar '"dosis"', tiempo de consulta: 0.20s Limitar resultados
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    “…Nuclear Magnetic Resonance (NMR) techniques, including (1)H NMR, (1)H Diffusion Ordered Spectroscopy (DOSY) and Nuclear Overhauser Spectroscopy (NOESY), were employed to study the supramolecular chemistry of this system. …”
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  3. 283
    “…The nature of the aggregates was supported by concentration and solvent dependent NMR studies, (1)H DOSY experiments, mass spectrometry, and X-ray crystallography or energy-minimized models, as well as analogies with earlier studies. …”
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  4. 284
    “…The drug-loaded RNTs were characterized using diffusion ordered nuclear magnetic resonance spectroscopy (DOSY NMR) and UV-Vis spectroscopy. Results showed for the first time that DEX can be easily and quickly encapsulated into RNTs and released to promote osteoblast (bone-forming cell) functions over long periods of time. …”
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  5. 285
    “…Importantly, the self-reporting character of the SCNPs was followed by size-exclusion chromatography (SEC), dynamic light scattering (DLS), fluorescence, electron paramagnetic resonance (EPR), nuclear magnetic resonance (NMR) and diffusion ordered NMR spectroscopy (DOSY).…”
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  6. 286
    “…These gigantic triangular assemblies are unambiguously confirmed by NMR, DOSY, ESI-MS, TWIM-MS, TEM, and AFM analyses. Notably, the dense-packed counterions of these discrete triangular architectures could further form supramolecular hydro-gels in water. …”
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  7. 287
    “…The existence of a peculiar 4:1 complex of receptor 2 with sulfates in solution was confirmed by UV–vis and (1)H NMR titration experiments, DOSY and DLS measurements, and supported by solid-state X-ray measurements. …”
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  8. 288
    “…By comparing their proton nuclear magnetic resonance ((1)H NMR) and diffusion-ordered spectroscopy (DOSY) spectra, it was found that the degrees of polymerization were dependent not only on the concentrations of the monomers but also on the topologies of the supramolecular polymers.…”
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  9. 289
    “…Studies in solution by cyclic voltammetry, electrochemical impedance spectroscopy, (1)H NMR spectroscopy, and (31)P DOSY, have demonstrated weak interactions between the inorganic anion and the macrocyclic organic molecule.…”
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  10. 290
    “…In this study, we have applied multifrequency saturation transfer difference (STD) NMR and DOSY NMR approaches to elucidate the interactions between the exopolysaccharide produced by Burkholderia multivorans C1576 (EpolC1576) and the antibiotics kanamycin and ceftadizime. …”
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  11. 291
    “…Formation of intermolecular interactions were probed by small‐angle X‐ray scattering (SAXS) and NMR DOSY data. All data are consistent and show the formation of oligomeric states of the riboswitch induced by Mg(2+) and ligand binding.…”
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  14. 294
    “…The absence of (i) heat for material synthesis, (ii) moisture sensitivity, and (iii) energy‐intensive steps for pore activation are attractive attributes for decreasing the energy costs. (1)H NMR and DOSY were instrumental for monitoring the H(2)O/I(2) exchange. …”
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    “…An interpretation of the results is suggested by the aid of a DFT study and (19)F-DOSY-NMR spectroscopy. In dilute solutions, a model FDK reacted with protected cysteine to form two hemi-thioketal regioisomers, indicating possible flexible regio-reactivity of CF(2)(CO)(2) warheads toward cysteine residues.…”
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  19. 299
    “…Among many spectroscopic NMR techniques not only one-dimensional (1D) techniques are known, but for many years two-dimensional (2D, for example, COSY, DOSY, JRES, HETCORE, HMQS), three-dimensional (3D, DART-MS, HRMAS, HSQC, HMBC) and solid-state NMR have been used. …”
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