User profiles for Isabelle Lefebvre

Isabelle Lefebvre

Chercheur CNRS, IEMN
Verified email at isen-lille.fr
Cited by 1381

Mononucleoside phosphotriester derivatives with S-acyl-2-thioethyl bioreversible phosphate-protecting groups: intracellular delivery of 3'-azido-2', 3' …

I Lefebvre, C Perigaud, A Pompon… - Journal of medicinal …, 1995 - ACS Publications
The synthesis, in vitro anti-HIV-1 activity, and decomposition pathwaysof several mono-nucleoside
phosphotriester derivativesof 3'-azido-2', 3'-dideoxythymidine (AZT) incorporating a …

Intracellular delivery of nucleoside monophosphates through a reductase-mediated activation process

F Puech, G Gosselin, I Lefebvre, A Pompon… - Antiviral Research, 1993 - Elsevier
On the basis of three different models (namely: ddU, AZT and PMEA), mononucleotide
phosphotriester derivatives were designed to be able to liberate the corresponding …

Rational design for cytosolic delivery of nucleoside monphosphates:“SATE” and “DTE” as enzyme-labile transient phosphate protecting groups

C Périgaud, G Gosselin, I Lefebvre, JL Girardet… - Bioorganic & Medicinal …, 1993 - Elsevier
It was demonstrated that the use of neutral 2′,3′-dideoxyuridine phosphotriesters which
incorporate enzyme mediated bioreversible protection such as S-acetylthioethanol (SATE) or …

Simultaneous analysis of eight nucleoside triphosphates in cell lines by liquid chromatography coupled with tandem mass spectrometry

S Cohen, M Megherbi, LP Jordheim, I Lefebvre… - … of chromatography B, 2009 - Elsevier
In this study, we developed a new method for the simultaneous determination of eight
endogenous ribonucleoside triphosphates and deoxyribonucleoside triphosphates based on a …

Fully validated assay for the quantification of endogenous nucleoside mono-and triphosphates using online extraction coupled with liquid chromatography–tandem …

C Machon, LP Jordheim, JY Puy, I Lefebvre… - Analytical and …, 2014 - Springer
An analytical method coupling online solid-phase extraction (SPE) and liquid
chromatography–tandem mass spectrometry (LC-MS/MS) was developed to quantify 16 endogenous …

Special feature of mixed phosphotriester derivatives of cytarabine

MH Gouy, LP Jordheim, I Lefebvre, E Cros… - Bioorganic & medicinal …, 2009 - Elsevier
Despite the unquestionable therapeutic interest of bis(SATE) pronucleotides, a presystemic
metabolism preventing the delivery of the prodrugs in target cancer cells or tumours may …

Combined surface x-ray diffraction and density functional theory study of the germanene/Al(111)- structure

…, A Resta, Y Garreau, A Vlad, A Coati, I Lefebvre… - Physical Review B, 2022 - APS
Several studies have reported the possible growth of germanene on various metal surfaces.
However, the exact structure of the layers formed upon evaporation at or above room …

Large-Area Epitaxial Mott Insulating 1T-TaSe2 Monolayer on GaP(111)B

…, N Peric, L Biadala, P Capiod, M Berthe, I Lefebvre… - Nano Letters, 2023 - ACS Publications
Two-dimensional Mott materials have recently been reported in the dichalcogenide family
with high potential for Mottronic applications. Nevertheless, their widespread use as a single …

Structure of germanene/Al (111): A two-layer surface alloy

…, Y Garreau, A Vlad, A Coati, I Lefebvre… - The Journal of …, 2021 - ACS Publications
Unlike silicene, for which the demonstration of its existence has been done through numerous
independent studies, the possibility of growing epitaxial germanene remains highly …

Resolving the structure of the striped Ge layer on surface alloy with alternate fcc and hcp domains

…, Y Borensztein, P Diener, B Grandidier, I Lefebvre… - Physical Review B, 2021 - APS
Two-dimensional honeycomb lattices beyond graphene, such as germanene, promise new
physical properties such as quantum spin Hall effect. While there have been many claims of …