نتایج جستجو برای: gdiii
تعداد نتایج: 48 فیلتر نتایج به سال:
Self-aggregating calix[4]arenes carrying four DOTA ligands on the upper rim for stable complexation of paramagnetic GdIII-ions have already been proposed as MRI probes. In this work, we investigate the luminescence properties of TbIII-DOTA-calix[4]arene-4OPr containing four propyl-groups and compare them with those of the analog substituted with a phthalimide chromophore (TbIII-DOTA-calix[4]are...
Three bimodal MRI/optical nanosized contrast agents with high per-nanoparticle relaxivity (up to 2523 mM(-1) s(-1) at 35 MHz and 932 mM(-1) s(-1) at 200 MHz) have been prepared connecting up to 115 tris-aqua Gd(III) complexes to fluorescent non-toxic InP/ZnS quantum dots. The structure of the linker has an important effect on the relaxivity of the final multimeric contrast agent.
The use of GdIII complexes as contrast agents in magnetic resonance imaging (MRI) has proven invaluable in the diagnosis of several internal abnormalities.1 The range of medical applications for which contrast agents are useful is likely to increase in the future with the development of target-specific contrast agents of increased relaxivity, such as MS-325 which binds with HSA in the blood poo...
By using Gd2O3, propanedioic acid (H2pda) and oxalic acid (H2ox), a new Gd-based metal-organic framework (MOF) [Gd(pda)(ox)0.5(H2O)2]n (1) has been successfully constructed and structurally characterized. Interestingly, temperature- and vapor-induced reversible single-crystal-to-single-crystal transformations occurred and two new MOFs, namely [Gd(pda)(ox)0.5(H2O)]n (1a) and [Gd(pda)(ox)0.5]n (1...
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