Search Results - "Fekete, Marianna"

Global Competences of Hungarian Young People in the Light of New Nationalism by Fekete, Marianna

“…In the context of national and global events of the last few years (wave of refugees in 2015, terrorist attacks, climate change, strengthening of far-right and…”
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Deactivation of signal amplification by reversible exchange catalysis, progress towards in vivo application by Mewis, Ryan E, Fekete, Marianna, Green, Gary G R, Whitwood, Adrian C, Duckett, Simon B

“…The catalyst which is used in the signal amplification by reversible exchange (SABRE) process facilitates substrate hyperpolarisation while acting to speed up…”
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Remarkable Levels of 15N Polarization Delivered through SABRE into Unlabeled Pyridine, Pyrazine, or Metronidazole Enable Single Scan NMR Quantification at the mM Level by Fekete, Marianna, Ahwal, Fadi, Duckett, Simon B

“…While many drugs and metabolites contain nitrogen, harnessing their diagnostic 15 N NMR signature for their characterization is underutilized because of…”
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Remarkable Levels of 15 N Polarization Delivered through SABRE into Unlabeled Pyridine, Pyrazine, or Metronidazole Enable Single Scan NMR Quantification at the mM Level by Fekete, Marianna, Ahwal, Fadi, Duckett, Simon B

“…While many drugs and metabolites contain nitrogen, harnessing their diagnostic N NMR signature for their characterization is underutilized because of inherent…”
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Parahydrogen‐Induced Hyperpolarization of Gases by Kovtunov, Kirill V., Koptyug, Igor V., Fekete, Marianna, Duckett, Simon B., Theis, Thomas, Joalland, Baptiste, Chekmenev, Eduard Y.

“…Imaging of gases is a major challenge for any modality including MRI. NMR and MRI signals are directly proportional to the nuclear spin density and the degree…”
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Relayed hyperpolarization from para -hydrogen improves the NMR detectability of alcohols by Rayner, Peter J, Tickner, Ben J, Iali, Wissam, Fekete, Marianna, Robinson, Alastair D, Duckett, Simon B

“…The detection of alcohols by magnetic resonance techniques is important for their characterization and the monitoring of chemical change. Hyperpolarization…”
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Developing High Field MRI Contrast Agents by Tuning the Rotational Dynamics: Bisaqua GdAAZTA‐based Dendrimers by Tei, Lorenzo, Gugliotta, Giuseppe, Gambino, Giuseppe, Fekete, Marianna, Botta, Mauro

“…Monomeric and dimeric AAZTA‐based bifunctional chelators (AAZTA=6‐amino‐6‐methylperhydro‐1,4‐diazepine tetraacetic acid) were attached to different generations…”
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Relayed hyperpolarization from para-hydrogen improves the NMR detectability of alcohols† †Electronic supplementary information (ESI) available: Experimental methods, NMR spectra. See DOI: 10.15124/db5b8475-8c71-4714-95f7-eb5e2a49632c by Rayner, Peter J., Tickner, Ben. J., Iali, Wissam, Fekete, Marianna, Robinson, Alastair D., Duckett, Simon B.

“…NMR signal strength improvements delivered through hyperpolarisation via para -hydrogen enable the facile detection of alcohols. The detection of alcohols by…”
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Real-Time High-Sensitivity Reaction Monitoring of Important Nitrogen-Cycle Synthons by 15 N Hyperpolarized Nuclear Magnetic Resonance by Rayner, Peter J, Fekete, Marianna, Gater, Callum A, Ahwal, Fadi, Turner, Norman, Kennerley, Aneurin J, Duckett, Simon B

“…Here, we show how signal amplification by reversible exchange hyperpolarization of a range of N-containing synthons can be used to enable studies of their…”
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Real-Time High-Sensitivity Reaction Monitoring of Important Nitrogen-Cycle Synthons by 15N Hyperpolarized Nuclear Magnetic Resonance by Rayner, Peter J., Fekete, Marianna, Gater, Callum A., Ahwal, Fadi, Turner, Norman, Kennerley, Aneurin J., Duckett, Simon B.

“…Here, we show how signal amplification by reversible exchange hyperpolarization of a range of 15N-containing synthons can be used to enable studies of their…”
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Iridium(III) Hydrido N‑Heterocyclic Carbene–Phosphine Complexes as Catalysts in Magnetization Transfer Reactions by Fekete, Marianna, Bayfield, Oliver, Duckett, Simon B, Hart, Sam, Mewis, Ryan E, Pridmore, Natalie, Rayner, Peter J, Whitwood, Adrian

“…The hyperpolarization (HP) method signal amplification by reversible exchange (SABRE) uses para-hydrogen to sensitize substrate detection by NMR. The catalyst…”
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Cleavable β-cyclodextrin nanocapsules incorporating Gd(III)-chelates as bioresponsive MRI probes by Martinelli, Jonathan, Fekete, Marianna, Tei, Lorenzo, Botta, Mauro

“…Perthiolated β-cyclodextrin-based nanocapsules incorporating diaquo Gd(III)-complexes represent a promising new type of bioresponsive MRI contrast agent,…”
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Harnessing polarisation transfer to indazole and imidazole through signal amplification by reversible exchange to improve their NMR detectability by Fekete, Marianna, Rayner, Peter J., Green, Gary G. R., Duckett, Simon B.

“…The signal amplification by reversible exchange (SABRE) approach has been used to hyperpolarise the substrates indazole and imidazole in the presence of the…”
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Catalyst‐Substrate Effects on Biocompatible SABRE Hyperpolarization by Manoharan, Anand, Rayner, Peter J., Fekete, Marianna, Iali, Wissam, Norcott, Philip, Hugh Perry, V., Duckett, Simon B.

“…The hyperpolarization technique, Signal Amplification by Reversible Exchange (SABRE), has the potential to improve clinical diagnosis by making molecular…”
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Lower Ligand Denticity Leading to Improved Thermodynamic and Kinetic Stability of the Gd3+ Complex: The Strange Case of OBETA by Baranyai, Zsolt, Botta, Mauro, Fekete, Marianna, Giovenzana, Giovanni B., Negri, Roberto, Tei, Lorenzo, Platas-Iglesias, Carlos

“…OBETA, OBETA, you bet: Thermodynamic and kinetic measurements show an apparent paradox. The stability of complexes of lanthanide trivalent ions is higher with…”
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Redox isomerization of allylic alcohols in aqueous–organic biphasic systems catalyzed by water-soluble Ru(II)- N-heterocyclic carbene complexes by Fekete, Marianna, Joó, Ferenc

“…Allyl alcohols were isomerized to ketones or aldehydes in aqueous–organic biphasic systems using a water-soluble N-heterocyclic carbene complex [RuCl 2L(η 6-…”
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Delivering strong ^sup 1^H nuclear hyperpolarization levels and long magnetic lifetimes through signal amplification by reversible exchange by Rayner, Peter J, Burns, Michael J, Olaru, Alexandra M, Norcott, Philip, Fekete, Marianna, Green, Gary G R, Highton, Louise A R, Mewis, Ryan E, Duckett, Simon B

“…Hyperpolarization turns typically weak NMR and MRI responses into strong signals so that ordinarily impractical measurements become possible. The potential to…”
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Lanthanide(III) Complexes with Ligands Derived from a Cyclen Framework Containing Pyridinecarboxylate Pendants. The Effect of Steric Hindrance on the Hydration Number by Rodríguez-Rodríguez, Aurora, Esteban-Gómez, David, de Blas, Andrés, Rodríguez-Blas, Teresa, Fekete, Marianna, Botta, Mauro, Tripier, Raphaël, Platas-Iglesias, Carlos

“…Two new macrocyclic ligands, 6,6′-((1,4,7,10-tetraazacyclododecane-1,7-diyl)bis(methylene))dipicolinic acid (H2DODPA) and…”
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Responsive Mn(II) complexes for potential applications in diagnostic Magnetic Resonance Imaging by Rolla, Gabriele A., Tei, Lorenzo, Fekete, Marianna, Arena, Francesca, Gianolio, Eliana, Botta, Mauro

“…This paper reports on the synthesis and in vitro evaluation of three novel Mn(II) complexes as potential MRI probes for the enzyme tyrosinase to be used in the…”
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Synthesis and hyperpolarisation of eNOS substrates for quantification of NO production by 1H NMR spectroscopy by Fernandez Diaz-Rullo, Fernando, Zamberlan, Francesco, Mewis, Ryan E., Fekete, Marianna, Broche, Lionel, Cheyne, Lesley A., Dall'Angelo, Sergio, Duckett, Simon B., Dawson, Dana, Zanda, Matteo

“…[Display omitted] Hyperpolarization enhances the intensity of the NMR signals of a molecule, whose in vivo metabolic fate can be monitored by MRI with higher…”
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