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Jonas Milani

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Related publications (28)

Optically Enhanced Solid-State H-1 NMR Spectroscopy

David Lyndon Emsley, Jean-Philippe Ansermet, Michael Allan Hope, Federico De Biasi, Saumya Badoni, Aaron James Rossini, Dominik Józef Kubicki, Jonas Milani, Moreno Lelli, Gabriele Stevanato, Aditya Mishra, Claudia Esther Avalos

Low sensitivity is the primary limitation to extendingnuclearmagnetic resonance (NMR) techniques to more advanced chemical andstructural studies. Photochemically induced dynamic nuclear polarization(photo-CIDNP) is an NMR hyperpolarization technique where ...
AMER CHEMICAL SOC2023

Dnp biosensor

Jean-Philippe Ansermet, Jonas Milani

Method for detecting a change in molecular tumbling of an electron-spin labelled system (1) in solution. Nuclear spins of the entire solution are measured in solution using Overhauser dynamic nuclear polarization in a first reference measurement, and then ...
2022

Method for the preparation of a sample comprising highly polarized nuclear spins and uses and devices for such a method

Jean-Philippe Ansermet, Christophe Roussel, Jonas Milani

Method for the preparation of a sample comprising highly polarized nuclear spins, comprising at least the following steps: a) bringing a polarization system, which using an electrochemical reaction can be converted into an EPR-active radical form thereof, ...
2021

Electrochemical Overhauser dynamic nuclear polarization

Jean-Philippe Ansermet, Christophe Roussel, Jonas Milani, Mika Antero Tamski

Nuclear Magnetic Resonance (NMR) spectroscopy suffers from low sensitivity due to the low nuclear spin polarization obtained within practically achievable external magnetic fields. Dynamic Nuclear Polarization (DNP) refers to techniques that increase the N ...
2020

Phenylazide Hybrid-Silica - Polarization Platform for Dynamic Nuclear Polarization at Cryogenic Temperatures

Geoffrey Bodenhausen, Aurélien Bornet, Sami Jannin, Jonas Milani, Basile Vuichoud, David Benjamin Roger Antoine Gajan, David Baudouin

Hyperpolarization of NMR-active nuclei is key to gather high quality spectra of rare species and insensitive isotopes. We have recently established that silica-based materials containing regularly distributed nitroxyl radicals connected to the silica matri ...
Wiley-V C H Verlag Gmbh2017

Hyperpolarization of nitrogen-15 nuclei by cross polarization and dissolution dynamic nuclear polarization

Geoffrey Bodenhausen, Aurélien Bornet, Sami Jannin, Jonas Milani, Basile Vuichoud

Dynamic Nuclear Polarization (DNP) is often achieved by the direct transfer of polarization from electrons to nuclei such as C-13, induced by microwave saturation of the wings of narrow EPR lines of radicals like trityl. In the indirect approach on the oth ...
Amer Inst Physics2017

Transportable hyperpolarized metabolites

David Lyndon Emsley, Geoffrey Bodenhausen, Aurélien Bornet, Sami Jannin, Aaron James Rossini, Jonas Milani, Basile Vuichoud, Xiao Ji, David Benjamin Roger Antoine Gajan

Nuclear spin hyperpolarization of C-13-labelled metabolites by dissolution dynamic nuclear polarization can enhance the NMR signals of metabolites by several orders of magnitude, which has enabled in vivo metabolic imaging by MRI. However, because of the s ...
Nature Publishing Group2017

Novel Instrumentation and Methods for Chemical Applications of Dissolution Dynamic Nuclear Polarization

Jonas Milani

One of the major disadvantages of Nuclear Magnetic Resonance (NMR) is its low sensitivity, mainly due to a very low spin polarization. Since 2003, Dissolution Dynamic Nuclear Polarization (D-DNP) provides a way of overcoming this drawback in solution by in ...
EPFL2016

Dissolution dynamic nuclear polarization of deuterated molecules enhanced by cross-polarization

Geoffrey Bodenhausen, Sami Jannin, Jonas Milani, Estel Canet Martinez, Daniel Abergel, Sina Marhabaie, Matthias Weller

We present novel means to hyperpolarize deuterium nuclei in (CD2)-C-13 groups at cryogenic temperatures. The method is based on cross-polarization from H-1 to C-13 and does not require any radio-frequency fields applied to the deuterium nuclei. After rapid ...
Amer Inst Physics2016

Highly Repeatable Dissolution Dynamic Nuclear Polarization for Heteronuclear NMR Metabolomics

Geoffrey Bodenhausen, Aurélien Bornet, Sami Jannin, Jonas Milani, Xiao Ji

At natural C-13 abundance, metabolomics based on heteronuclear NMR is limited by sensitivity. We have recently demonstrated how hyperpolarization by dissolution dynamic nuclear polarization (D-DNP) assisted by cross-polarization (CP) provides a reliable wa ...
Amer Chemical Soc2016

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