Concept

Electrospray ionization

Related publications (316)

From hydrolytically labile to hydrolytically stable Ru(II)-arene anticancer complexes with carbohydrate-derived co-ligands

Paul Joseph Dyson, Christian Hartinger, Alexey Nazarov, Muhammad Hanif

The synthesis, characterization, reactivity and in vitro anticancer activity of a series of Ru-II-arene complexes with carbohydrate-derived phosphite and biscarboxylato co-ligands are reported. The compounds were characterized by NMR spectroscopy and elect ...

2011

Microfabrication of Capillary Electrospray Emitters and ToF Characterization of the Emitted Beam

Herbert Shea, Caglar Ataman, Simon Dandavino

Microfabrication, assembly, and characterization of internally fed arrays of electrospray emitters for spacecraft propulsion are discussed. Several different emitter geometries were fabricated, and the sprayed beams from these emitters are characterized fo ...

2011

LEPA: From Proteomics to Energy Conversion

Hubert Girault, Liang Qiao, Fernando Cortes Salazar, Manuel Alejandro Méndez Agudelo, Anne-Laure Gassner, Mohammad Reza Pourhaghighi

This review article summarizes the different fields of research at the Laboratoire d'Electrochimie Physique et Analytique at the Ecole Polytechnique Federale de Lausanne. The research areas covered include charge transfer reactions at soft interfaces, bio- ...

2011

Phosphorylation of alpha-Synuclein at Y125 and S129 Alters Its Metal Binding Properties: Implications for Understanding the Role of alpha-Synuclein in the Pathogenesis of Parkinson's Disease and Related Disorders

Hubert Girault, Hilal Lashuel, Michel Prudent, Bruno Claude Daniel Fauvet, Yu Lu

alpha-Synuclein (alpha-syn) is a 140-amino acid protein that plays a central role in the pathogenesis of Parkinson's disease (PD) and other synucleinopathies. However, the molecular determinants that are responsible for triggering and/or propagating alpha- ...

American Chemical Society2011

Mesoporous TiO2-Based Experimental Layout for On-Target Enrichment and Separation of Multi- and Monophosphorylated Peptides Prior to Analysis with Matrix-Assisted Laser Desorption-Ionization Mass Spectrometry

Ulf Anders Hagfeldt, Anna Eriksson, David Malmström

A simple method for on-target enrichment and subsequent sepn. and anal. of phosphorylated peptides is presented. The tryptic digest of a phosphorylated protein, in this case β-casein, is loaded onto a spot on a thin stripe made of mesoporous TiO2 sintered ...

2011

IR spectroscopy of isolated metal-organic complexes of biocatalytic interest: Evidence for coordination number four for Zn2+(imidazole)(4)

Ulrich Lorenz

The characterization of the interactions of Zn2+ ions with imidazole ligands is vital for understanding the function of a plethora of zinc enzymes at the molecular level. The infrared multiple photon dissociation (IRMPD) spectrum of mass selected Zn2+(imid ...

2011

Ga2O3 photocatalyzed on-line tagging of cysteine to facilitate peptide mass fingerprinting

Hubert Girault, Liang Qiao, Hongyan Bi

beta-Ga2O3 is a wide-band-gap semiconductor having strong oxidation ability under light irradiation. Herein, the steel target plates modified with beta-Ga2O3 nanoparticles have been developed to carry out in-source photo-catalytic oxidative reactions for o ...

2011

Ion Beam Deposition and STM Analysis of Macromolecules on Solid Surfaces in UHV

Nicha Thontasen

Organic and biological macromolecules have attracted great interest within nanotechnology research due to properties that can be useful in future devices. Interesting functionalities such as optical activity, host-guest binding and molecular recognition ar ...

EPFL2011

Copper-Catalyzed Tyrosine Nitration

Hubert Girault, Liang Qiao, Yu Lu

Tyrosine nitration, often observed during neurodegenerative disorders under nitrative stress, is usually considered to be induced chemically either by nitric oxide and oxygen forming nitrogen dioxide or by the decomposition of peroxynitrite. It can also be ...

2011

Organic functional groups in aerosol particles from burning and non-burning forest emissions at a high-elevation mountain site

Satoshi Takahama

Ambient particles collected on teflon filters at the Peak of Whistler Mountain, British Columbia (2182 ma.s.l.) during spring and summer 2009 were measured by Fourier transform infrared (FTIR) spectroscopy for organic functional groups (OFG). The project m ...

2011

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