Publications related to Chemistry of ascorbic acid

Mechanistic studies on two dinuclear organogold(III) compounds showing appreciable antiproliferative properties and a high redox stability

Two dinuclear oxo-bridged organogold(III) compounds, namely [(N,N,C)(2)Au-2(mu-O)]PF6 (with N,N,CH = 6-(1-methylbenzyl)-2,2'-bipyridine, Au(2)O1; or 6-(1,1-dimethylbenzyl)-2,2'-bipyridine, Au(2)O2), were previously prepared and characterised. Their so ...

2011

Interactions and Reactivity at Liquid-Liquid Interfaces

Manuel Alejandro Méndez Agudelo

The interface between two immiscible electrolyte solutions (ITIES) provides a well-defined platform for fundamental studies of adsorption processes and molecular reactivity in general. Two bio-inspired systems are considered in the present work: adsorbed p ...

EPFL2011

Scavenging Free Radicals To Preserve Enhancement and Extend Relaxation Times in NMR using Dynamic Nuclear Polarization

Rolf Gruetter, Geoffrey Bodenhausen, Sandrine Gerber, Mor-Miri Mishkovsky, Pascal Miéville, Arnaud Comment, Sami Jannin, Paul Romeo Vasos, Riddhiman Sarkar, Puneet Ahuja

Vitamin C for longer lifetimes: N-oxide radicals that are widely used for dynamic nuclear polarization can be reduced by scavengers such as sodium ascorbate (vitamin C) during the dissolution process, thus diminishing losses of polarization during the tran ...

Wiley-Blackwell2010

Biosensor microprobe arrays for in vivo monitoring of neurotransmitters

Olivier Frey

Real-time monitoring of neurotransmitters is of utmost importance for understanding the functioning of the brain. Especially L-glutamate and choline play a major role in chemical signalling and are highly involved in cognitive functions such as learning, m ...

EPFL2010

Copper(I) and copper(II) binding to β-amyloid 16 (Aβ16) studied by electrospray ionization mass spectrometry

Hubert Girault, Liang Qiao, Michel Prudent, Yu Lu

Copper-b-amyloid 16 (Aβ16) complexes were investigated by electrospray ionization mass spectrometry (ESI-MS). Copper(I) and (II) complexes were formed on-line in a microchip electrospray emitter by using a sacrificial copper electrode as the anode in posit ...

Royal Society of Chemistry2010

Transient State Monitoring by Total Internal Reflection Fluorescence Microscopy

Theo Lasser, Thiemo Spielmann

Triplet, photo-oxidized and other photoinduced, long-lived states of fluorophores are sensitive to the local environment and thus attractive for microenvironmental imaging purposes. In this work, we introduce an approach where these states are monitored in ...

2010

Transport and Interfacial Transfer of Electrons in Dye-Sensitized Solar Cells Utilizing a Co(dbbip)(2) Redox Shuttle

Michael Graetzel, Shaik Mohammed Zakeeruddin

The transport and interfacial transfer of electrons in dye-sensitized solar cells utilizing the Co(dbbip)(2) (dbbip = 2,6-bis(l'-butylbenzimidazol-2'-yl)pyridine) redox couple as an alternative to the conventional I-3(-)/l(-) couple have been investigated ...

American Chemical Society2010

A tissue-engineered model of the intestinal lacteal for evaluating lipid transport by lymphatics

Melody Swartz, Sandeep Raghunathan, James Brandon Dixon

Lacteals are the entry point of all dietary lipids into the circulation, yet little is known about the active regulation of lipid uptake by these lymphatic vessels, and there lacks in vitro models to study the lacteal-enterocyte interface. We describe an i ...

Wiley-Blackwell2009

Non-Cytotoxic, Bifunctional EuIII and TbIII Luminescent Macrocyclic Complexes for Luminescence Resonant Energy- Transfer Experiments

Jean-Claude Bünzli, Anne-Sophie Chauvin, Caroline Vandevyver

A new macrocyclic ligand,

L^3

, has been synthesised, based on the cyclen framework grafted with three phenacyl light-harvesting groups and a C5-alkyl chain bearing a carboxylic acid function as a potential linker for biological material. Acidity constant ...

2007

Determination of the bulk cobalt valence state of co-perovskites containing surface-adsorbed impurities

Christian Ludwig

We used thermogravimetric hydrogen reduction and iodometric titration to determine the bulk valence state of cobalt in Co-perovskites containing surface carbonate hydroxide or hydroxyl groups. It could be shown that thermogravimetric hydrogen reduction exp ...

2006

Chemistry of ascorbic acid

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Mechanistic studies on two dinuclear organogold(III) compounds showing appreciable antiproliferative properties and a high redox stability

Interactions and Reactivity at Liquid-Liquid Interfaces

Scavenging Free Radicals To Preserve Enhancement and Extend Relaxation Times in NMR using Dynamic Nuclear Polarization

Biosensor microprobe arrays for in vivo monitoring of neurotransmitters

Copper(I) and copper(II) binding to β-amyloid 16 (Aβ16) studied by electrospray ionization mass spectrometry

Transient State Monitoring by Total Internal Reflection Fluorescence Microscopy

Transport and Interfacial Transfer of Electrons in Dye-Sensitized Solar Cells Utilizing a Co(dbbip)(2) Redox Shuttle

A tissue-engineered model of the intestinal lacteal for evaluating lipid transport by lymphatics

Non-Cytotoxic, Bifunctional EuIII and TbIII Luminescent Macrocyclic Complexes for Luminescence Resonant Energy- Transfer Experiments

Determination of the bulk cobalt valence state of co-perovskites containing surface-adsorbed impurities

Mechanistic studies on two dinuclear organogold(III) compounds showing appreciable antiproliferative properties and a high redox stability

Interactions and Reactivity at Liquid-Liquid Interfaces

Scavenging Free Radicals To Preserve Enhancement and Extend Relaxation Times in NMR using Dynamic Nuclear Polarization

A tissue-engineered model of the intestinal lacteal for evaluating lipid transport by lymphatics

Transient State Monitoring by Total Internal Reflection Fluorescence Microscopy

Transport and Interfacial Transfer of Electrons in Dye-Sensitized Solar Cells Utilizing a Co(dbbip)(2) Redox Shuttle

Determination of the bulk cobalt valence state of co-perovskites containing surface-adsorbed impurities

Non-Cytotoxic, Bifunctional EuIII and TbIII Luminescent Macrocyclic Complexes for Luminescence Resonant Energy- Transfer Experiments

Biosensor microprobe arrays for in vivo monitoring of neurotransmitters

Copper(I) and copper(II) binding to β-amyloid 16 (Aβ16) studied by electrospray ionization mass spectrometry