Paramagnetic Relaxation Enhancement in Hydrophilic Colloids Based on Gd(III) Complexes with Tetrathia- and Calix[4]arenes
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DOI: 10.1021/acs.jpcc.0c00312
Abstract: Hydrophilic colloids (PSS-[Ln2(TCAi)2] and PSS-[LnCAi], where i = 1, 2, or 3 and Ln = Gd or Tb) were prepared by precipitation of Gd(III) or Tb(III) complexes with tetrathiacalix[4]arenes (TCAi) and calix[4]arenes bearing two 1,3-diketone… read more here.
Keywords: hydrophilic colloids; iii; calix arenes; pss ... See more keywords
Inducing Defects in 19F-Nanocrystals Provides Paramagnetic-free Relaxation Enhancement for Improved In Vivo Hotspot MRI
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DOI: 10.1021/acs.nanolett.0c02549
Abstract: Paramagnetic relaxation enhancement (PRE) is the current strategy of choice for enhancing magnetic resonance imaging (MRI) contrast and for accelerating MRI acquisition schemes. Yet, debates regarding lanthanides’ biocompatibility and PRE-effect on MRI signal quantification have… read more here.
Keywords: relaxation; free relaxation; paramagnetic free; relaxation enhancement ... See more keywords
Impact of the Hereditary P301L Mutation on the Correlated Conformational Dynamics of Human Tau Protein Revealed by the Paramagnetic Relaxation Enhancement NMR Experiments
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DOI: 10.3390/ijms21113920
Abstract: Tau forms intracellular insoluble aggregates as a neuropathological hallmark of Alzheimer’s disease. Tau is largely unstructured, which complicates the characterization of the tau aggregation process. Recent studies have demonstrated that tau samples two distinct conformational… read more here.
Keywords: tau; paramagnetic relaxation; conformational dynamics; nmr experiments ... See more keywords
Relaxometric Studies of Gd-Chelate Conjugated on the Surface of Differently Shaped Gold Nanoparticles
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DOI: 10.3390/nano10061115
Abstract: Nowadays, magnetic resonance imaging (MRI) is one of the key, noninvasive modalities to detect and stage cancer which benefits from contrast agents (CA) to differentiate healthy from tumor tissue. An innovative class of MRI CAs… read more here.
Keywords: gold nanoparticles; relaxometric studies; gold; chelate conjugated ... See more keywords