Aurelien Stephen Arnaud Gregor

Cette personne n’est plus à l’EPFL

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Publications associées (4)

Optimization of the Distance between Cylindrical Light Distributors Used for Interstitial Light Delivery in Biological Tissues

Georges Wagnières, Aurelien Stephen Arnaud Gregor

Cylindrical light diffusers (CLDs) are often employed for the treatment of large tumors by interstitial photodynamic therapy (iPDT) and photoimmunotherapy (PIT), which involves careful treatment planning to maximize therapeutic dose coverage while minimizi ...

MDPI2022

Identification of excimer delayed fluorescence by Protoporphyrin IX: A novel access to local chromophore concentration?

Georges Wagnières, Aurelien Stephen Arnaud Gregor, Emmanuel Louis Arthur Gerelli, Jaroslava Joniová

Protoporphyrin IX (PpIX) is a molecule produced in the mitochondria following the administration of its approved precursor, aminolevulinic acid (ALA). Strong light absorber at different wavelengths in the visible range, PpIX is extensively used as a photos ...

ELSEVIER SCIENCE SA2022

A general framework for non-exponential delayed fluorescence and phosphorescence decay analysis, illustrated on Protoporphyrin IX

Georges Wagnières, Aurelien Stephen Arnaud Gregor, Emmanuel Louis Arthur Gerelli, Jaroslava Joniová

Delayed fluorescence (DF) is a long-lived luminescence process used in a variety of applications ranging from oxygen sensing in biological tissues to organic Light Emitting Diodes. In common cases, DF results from the deexcitation of the first excited trip ...

2020

The Structure of the Protonated Serine Octamer

Thomas Rizzo, Ursula Röthlisberger, Aurelien Stephen Arnaud Gregor, Marta Andreia Da Silva Perez, Valeriu Scutelnic, Stephan Warnke, Carsten Baldauf

The amino acid serine has long been known to form a protonated “magic-number” cluster containing eight monomer units that shows an unusually high abundance in mass spectra and has a remarkable homochiral preference. Despite many experimental and theoretica ...

2018

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