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Cryogenic Methods for the Spectroscopy of Large, Biomolecular Ions

Publications associées (32)

Combining multi-stage ion mobility spectrometry with cryogenic infrared spectroscopy for glycan analysis

Structural analysis of biomolecules is essential to understanding biological processes. Among the various classes of biomolecules, glycans have gained significant attention recently due to their ubiquitous roles in biological systems. However, study of gly ...

EPFL2022

Low-energy Electron Holography Microscope for Imaging of Single Molecules

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Structure determination techniques are an essential tool to investigate and understand molecules, especially in biology, where functionality crucially depends on structure. The dominant high-resolution methods, such as transmission electron microscopy and ...

EPFL2022

Page 2 sur 4

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Electrical Spectroscopy of Defect States in Synthetic 2D Materials

Yanfei Zhao

Two-dimensional (2D) materials such as graphene and transition metal dichalcogenide (TMDC) are considered as one of the most promising material platforms for future electronic devices, due to their ultra-thin thickness and fascinating electrical and optica ...

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High-Throughput Multiplexed Infrared Spectroscopy of Ion Mobility-Separated Species Using Hadamard Transform

Thomas Rizzo, Ahmed Ben Faleh, Stephan Warnke, Ali H Abikhodr, Vasyl Yatsyna

Coupling vibrational ion spectroscopy with highresolution ion mobility separation offers a promising approach for detailed analysis of biomolecules in the gas phase. Improvements in the ion mobility technology have made it possible to separate isomers with ...

AMER CHEMICAL SOC2022

Microwave plasma-assisted reactive HiPIMS of InN films: Plasma environment and material characterisation

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This work focuses on the low temperature fabrication process of InN thin films via microwave plasma-assisted reactive high power impulse magnetron sputtering (MAR-HiPIMS). The influence of microwave plasma on the HiPIMS discharge process at various nitroge ...

ELSEVIER SCIENCE SA2022

Combining multi-stage ion mobility spectrometry with cryogenic infrared spectroscopy for glycan analysis

Priyanka Bansal

EPFL2022

Low-energy Electron Holography Microscope for Imaging of Single Molecules

Sven Alexander Szilagyi

EPFL2022

Ultrafast carrier and quasiparticle dynamics in strongly confined perovskite nanoplatelets

Etienne Christophe Socie

Over the past decade, lead halide perovskites (LHPs) have received considerable attention thanks to their impressive optoelectronic properties. Today, LHP-based devices are one of the most efficient single-junction solar cells, with power-conversion effici ...

EPFL2022

Real space and reciprocal space investigations of the spin dynamics in skyrmion-hosting materials

Le Yu

Magnetic skyrmions are whirl-like spin configurations with particle-like properties protected by non-trivial topology. Due to their unique spin structures and dynamical properties, they have attracted tremendous interests over the past decade, from fundame ...

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Photoisomerization of Linear and Stacked Isomers of a Charged Styryl Dye: A Tandem Ion Mobility Study

Eduardo Carrascosa Casado

The photoisomerization behavior of styryl 9M, a common dye used in material sciences, is investigated using tandem ion mobility spectrometry (IMS) coupled with laser spectroscopy. Styryl 9M has two alkene linkages, potentially allowing for four geometric i ...

AMER CHEMICAL SOC2021

A gas phase approach for glycan analysis: Combining ultrahigh-resolution ion mobility spectrometry with cryogenic vibrational spectroscopy

Ahmed Ben Faleh

The last decades have been punctuated by the development of revolutionary analytical technologies that have enabled the analysis of biomolecular structures and unraveled the roles they play in biological systems. However, certain classes of biomolecules re ...

EPFL2021

Toward High-Throughput Cryogenic IR Fingerprinting of Mobility-Separated Glycan Isomers

Thomas Rizzo, Ahmed Ben Faleh, Stephan Warnke

Infrared (IR) spectroscopy is a powerful tool used to infer detailed structural information on molecules, often in conjunction with quantum-chemical calculations. When applied to cryogenically cooled ions, IR spectra provide unique fingerprints that can be ...

2021

Page 2 sur 4

A gas phase approach for glycan analysis: Combining ultrahigh-resolution ion mobility spectrometry with cryogenic vibrational spectroscopy

Ahmed Ben Faleh

EPFL2021

Toward High-Throughput Cryogenic IR Fingerprinting of Mobility-Separated Glycan Isomers

Thomas Rizzo, Ahmed Ben Faleh, Stephan Warnke

2021