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Mostrando 61 - 80 Resultados de 749 Para Buscar '"CEST"', tiempo de consulta: 0.20s Limitar resultados
  1. 61
    “…The outcome was verified against electromechanical indentation and biochemical assays to assess the potential of gagCEST MRI. Five TKA patients were scanned on a 7.0 T MRI with a gagCEST sequence. …”
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    In vivo biochemical assessment of cartilage with gagCEST MRI: Correlation with cartilage properties
  2. 62
    “…In most cases, the SAP isomer, which is preferred for CEST imaging, predominates, and the presence of the minor TSAP isomer is assumed to have little influence on quantitative measures of the water-exchange rate constant for the SAP isomer. …”
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    The Presence of Fast-Exchanging Proton Species in Aqueous Solutions of paraCEST Agents Can Impact Rate Constants Measured for Slower Exchanging Species When Fitting CEST Spectra to the Bloch Equations
  3. 63
    por Duraffourd, Catherine
    Publicado 2004
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    La ruée vers la science: L'infiniment petit, c'est géant!
  4. 64
    “…Nevertheless, the resulting lipoCEST nanoparticles amplify the CEST sensitivity by a factor of ∼10(4) compared to the free, un-encapsulated agent. …”
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    TmDOTA-Tetraglycinate Encapsulated Liposomes as pH-Sensitive LipoCEST Agents
  5. 65
    por Huttenhower, Curtis
    Publicado 2011
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    Computational biology: plus c'est la même chose, plus ça change
  6. 66
    “…In this study, we have synthesized hPRM1 and determined how its CEST MRI contrast varies as a function of pH, phosphorylation state, and upon noncovalent interaction with nucleic acids and heparin (as antagonist). …”
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    Biophysical Characterization of Human Protamine-1 as a Responsive CEST MR Contrast Agent
  7. 67
    “…Our in vitro CEST MRI results showed citicoline has two inherent CEST signals at +1 and +2 ppm, attributed to exchangeable hydroxyl and amine protons, respectively. …”
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    Label-free CEST MRI Detection of Citicoline-Liposome Drug Delivery in Ischemic Stroke
  8. 68
    por Rivlin, Michal, Navon, Gil
    Publicado 2016
    “…The efficacy of glucosamine (GlcN) and N-acetyl glucosamine (GlcNAc) as agents for chemical exchange saturation transfer (CEST) magnetic resonance molecular imaging of tumors is demonstrated. …”
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    Glucosamine and N-acetyl glucosamine as new CEST MRI agents for molecular imaging of tumors
  9. 69
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    Cardiac CEST-MRI for tracking stem cell survival and determining the role of CXCL2
  10. 70
    “…High field MRI is beneficial for chemical exchange saturation transfer (CEST) in terms of high SNR, CNR, and chemical shift dispersion. …”
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    On the transmit field inhomogeneity correction of relaxation‐compensated amide and NOE CEST effects at 7 T
  11. 71
    por Little, Dustin J., Coombes, Brian K.
    Publicado 2018
    “…However, the structural and mechanistic basis for differential effector recognition by CesT remains unclear. Here, we delineated the minimal CesT-binding region on Tir to residues 35–77 and determined the 2.74 Å structure of CesT bound to an N-terminal fragment of Tir. …”
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    Molecular basis for CesT recognition of type III secretion effectors in enteropathogenic Escherichia coli
  12. 72
    por Jayapaul, Jabadurai, Schröder, Leif
    Publicado 2019
    “…They combine two amplification strategies, namely, spin exchange optical pumping (SEOP) and chemical exchange saturation transfer (CEST). The latter one requires host structures that reversibly bind the hyperpolarized noble gas. …”
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    Nanoparticle-Based Contrast Agents for (129)Xe HyperCEST NMR and MRI Applications
  13. 73
    “…Owing to their exchangeable protons on their hydroxyl residues they exhibit significant chemical exchange saturation transfer (CEST) effect in MRI. Here we report CEST-MRI on mice bearing orthotopic mammary tumors injected with 2-DG or FDG. …”
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    Molecular imaging of tumors and metastases using chemical exchange saturation transfer (CEST) MRI
  14. 74
    “…To overcome these limitations, we propose a fast multislice CEST‐MRI sequence with high pH accuracy and spatial resolution. …”
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    A fast multislice sequence for 3D MRI‐CEST pH imaging
  15. 75
    “…Chemical exchange saturation transfer (CEST) imaging is a possible solution to this problem. …”
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    pH Mapping of Skeletal Muscle by Chemical Exchange Saturation Transfer (CEST) Imaging
  16. 76
    “…Xenon magnetic resonance imaging (MRI) provides excellent sensitivity through the combination of spin hyperpolarization and chemical exchange saturation transfer (CEST). To this end, molecular hosts such as cryptophane-A or cucurbit[n]urils provide unique opportunities to design switchable MRI reporters. …”
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    Mapping of Absolute Host Concentration and Exchange Kinetics of Xenon Hyper-CEST MRI Agents
  17. 77
    “…Chemical exchange saturation transfer (CEST) magnetic resonance imaging (MRI) detects molecules in their natural forms in a sensitive and non-invasive manner. …”
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    Molecular Imaging of Brain Tumors and Drug Delivery Using CEST MRI: Promises and Challenges
  18. 78
    “…All underwent 3-Tesla CrCEST MRI of the calf before and after in-scanner plantar flexion exercise. …”
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    In vivo assessment of OXPHOS capacity using 3 T CrCEST MRI in Friedreich’s ataxia
  19. 79
    “…We profile the transcriptome and lipidome of cest‐2.2 overexpressing animals and show that CEST‐2.2 stimulates lipid metabolism and fatty acid beta‐oxidation, thereby enhancing mitochondrial respiratory capacity through complex II and LET‐721/ETFDH, despite the inherited genetic lesion of complex I. …”
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    CEST‐2.2 overexpression alters lipid metabolism and extends longevity of mitochondrial mutants
  20. 80
    “…Amide proton transfer (APT)-weighted chemical exchange saturation transfer (CEST) imaging is a recent MRI technique making its way into clinical application. …”
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    Reproducibility of APT-weighted CEST-MRI at 3T in healthy brain and tumor across sessions and scanners
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