Mostrando 401 - 420 Resultados de 441 Para Buscar '"dosis"', tiempo de consulta: 0.15s Limitar resultados
  1. 401
  2. 402
    por Kaup, Rebecca, Velders, Aldrik H.
    Publicado 2022
    “…High-resolution NMR spectra of the micellar core are obtained from a 1.2 GHz spectrometer with sub-micromolar sensitivity, with DOSY discriminating released dendrimers from dendrimers still present in the micellar core. …”
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  3. 403
  4. 404
  5. 405
    “…This study aims to perform a dosi-metric analysis the effect of RT on coronary arteries and heart in breast-conserving surgery. …”
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  6. 406
  7. 407
    “…Their formation was confirmed by multinuclear Nuclear Magnetic Resonance (NMR), infrared (IR) and UV-Vis spectroscopy, as well as Mass Spectrometry, Diffusion Ordered Spectroscopy (DOSY) and elemental analysis. The thermal stability of the hybrids was also examined by Thermogravimetric Analysis (TGA), which showed that the HPOM triads exhibit higher thermal stability than comparable hybrid structures containing only one type of POM. …”
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  8. 408
    “…Through solution-phase NMR spectroscopy, we characterize the different species formed when peptides 1a and 1b are mixed with their respective d-enantiomers, peptides ent-1a and ent-1b. (1)H NMR, DOSY, and (1)H,(15)N-HSQC experiments reveal that mixing peptides 1a and ent-1a results in the predominant formation of homochiral tetramers, with a smaller fraction of a new heterochiral tetramer, and mixing peptides 1b and ent-1b does not result in any detectable heterochiral assembly. (15)N-edited NOESY reveals that the heterochiral tetramer formed by peptides 1a and ent-1a is composed of two homochiral dimers. …”
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  9. 409
    “…Ancillary high-resolution (1)H NMR spectroscopy studies of PPOx solutions in D(2)O and methanol-d(4), coupled with DOSY and NOESY experiments revealed that the n-propyl group of PnPOx rotates freely in D(2)O, whereas the rotation of the isopropyl and cyclopropyl groups of PiPOx and PcyPOx, respectively, is limited due to steric restriction. …”
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  10. 410
    “…Solution-state NMR and DOSY experiments revealed an unfolded C-terminal 34 amino-acid stretch in the stand-alone protein and few internal residues interacting with the rest of the protein. …”
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  11. 411
    “…The ligands and cylinders were characterized using elemental analysis, electrospray ionization mass spectrometry, UV-vis, (1)H-, (13)C and DOSY nuclear magnetic resonance (NMR) spectroscopies. …”
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  12. 412
    “…We have demonstrated that both HOCl oxidation of purified fibrinogen and addition of HOCl-oxidized fibrinogen to plasma fibrinogen solution disrupted lateral aggregation of protofibrils similarly to competitive inhibition of fibrin polymerization using a recombinant AαC fragment (AαC 419–502). DOSY NMR measurement of fibrinogen protons demonstrated that the diffusion coefficient of fibrinogen increased by 17.4%, suggesting the oxidized fibrinogen was more compact and fast motion in the prefibrillar state. 2D-NMR analysis reflected that water protons existed as bulk water (T(2)) and intermediate water (T(2i)) in the control plasma fibrin. …”
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  13. 413
    por Foley, Kayla, Walters, Keisha B.
    Publicado 2023
    “…The synthesis of the block copolymer, poly[2-(dimethylamino) ethyl methacrylate]-block-[poly(4-vinylbenzyl-3-butylimidazolium bis(trifluoromethylsulfonyl)imide] (PDMAEMA-b-PVBBImTf(2)N), was examined to evaluate the control of “livingness” polymerization, as indicated by molecular weight, characterizations of degree of polymerization, and (1)HNMR spectroscopy. 2D DOSY NMR measurements revealed the successful formation of block copolymer and the connection between the two polymer blocks. …”
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  14. 414
    “…LC-MS and NMR spectroscopy methods ((1)H and DOSY, respectively) confirmed the regioselective thioacetylation of the reactive aldehyde with conversion rates between 55 and 70% depending on the thiol molecule engaged. …”
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  15. 415
    “…Circular dichroism coupled with TD DFT calculations, DOSY measurements and X-ray crystallography allow for elucidation of the structures in the solid state and in solution and guide their iterative evolution for the current goals.…”
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  16. 416
  17. 417
    “…A diffusion-ordered nuclear magnetic resonance spectroscopy (DOSY-NMR) approach has been used to monitor the change in the diffusion coefficient of cross-linked polytriazole polyethylene oxide−tetrahydrofuran (PTPET). …”
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  18. 418
    “…Density functional theory and diffusion-ordered NMR spectroscopy (DOSY NMR) are used to explore the fundamental XB interactions between strong XB-donor structures and NN compounds, with the latter found to possess multiple XB-acceptor binding sites. …”
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  19. 419
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