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Showing 1 to 12 of 78 entries
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Nondestructive room-temperature adsorption of 2,4,6-tri(2'-thienyl)-1,3,5-triazine on a Si-B interface: high-resolution STM imaging and molecular modeling.

Physical review letters

Makoudi Y, Palmino F, Duverger E, Arab M, Chérioux F, Ramseyer C, Therrien B, Tschan MJ, Süss-Fink G.
PMID: 18352579
Phys Rev Lett. 2008 Feb 22;100(7):076405. doi: 10.1103/PhysRevLett.100.076405. Epub 2008 Feb 22.

Organic nanostructures on semiconductors are currently investigated but the surfaces are known to interact strongly with molecules. To reduce the molecule-surface interaction, we used the Si(111)-B square root 3 x square root 3R30 degrees . Deposition of isolated 2,4,6-tri(2'-thienyl)-1,3,5-triazine,...

Propagation losses and gain measurements in erbium-doped fluoride glass channel waveguides by use of a double-pass technique.

Applied optics

Vasilief I, Guy S, Jacquier B, Boulard B, Gao YP, Duverger C, Haquin H, Nazabal V, Adam JL, Couchaud M, Fulbert L, Cassagnettes C, Rooms F, Barbier D.
PMID: 16078378
Appl Opt. 2005 Aug 01;44(22):4678-83. doi: 10.1364/ao.44.004678.

We have studied Er3+, Yb3+, and Ce3+ codoped microchannel waveguides that were developed by two methods: ionic exchange for heavy metal fluoride glasses [ZrF4-BaF2-AlF3-CeF3 (ZBAC)] and vapor phase deposition for transition metal fluoride glasses [PbF2-ZnF2-GaF3 (PZG)] by using a...

Dipole-driven self-organization of zwitterionic molecules on alkali halide surfaces.

Beilstein journal of nanotechnology

Nony L, Bocquet F, Para F, Chérioux F, Duverger E, Palmino F, Luzet V, Loppacher C.
PMID: 22497002
Beilstein J Nanotechnol. 2012;3:285-93. doi: 10.3762/bjnano.3.32. Epub 2012 Mar 27.

We investigated the adsorption of 4-methoxy-4'-(3-sulfonatopropyl)stilbazolium (MSPS) on different ionic (001) crystal surfaces by means of noncontact atomic force microscopy. MSPS is a zwitterionic molecule with a strong electric dipole moment. When deposited onto the substrates at room temperature,...

Prospective Paired Comparison of 123I-FP-CIT SPECT Images Obtained With a 360°-CZT and a Conventional Camera.

Clinical nuclear medicine

Piatkova Y, Payoux P, Boursier C, Bordonne M, Roch V, Marie PY, Hossu G, Imbert L, Verger A.
PMID: 34874345
Clin Nucl Med. 2022 Jan 01;47(1):14-20. doi: 10.1097/RLU.0000000000003969.

PURPOSE: This study aimed to compare 123I-FP-CIT SPECT imaging obtained from a 360° cadmium-zinc-telluride (CZT) camera with different focus configurations and from a conventional Anger camera.METHODS: This prospective study (NCT03980418) included patients referred to 123I-FP-CIT SPECT imaging who consecutively...

The cost of child abuse and neglect in France: The case of children in placement before their fourth birthday.

Child abuse & neglect

Prigent A, Vinet MA, Michel M, Rozé M, Riquin E, Duverger P, Rousseau D, Chevreul K.
PMID: 34058479
Child Abuse Negl. 2021 Aug;118:105129. doi: 10.1016/j.chiabu.2021.105129. Epub 2021 May 28.

BACKGROUND: Despite the high prevalence of child abuse and neglect and its consequences on health, very few studies have evaluated the trajectories of children in placement in France, and there are no cost studies available.OBJECTIVE: To estimate the cost...

Early 18F-FDG PET Flare-up Phenomenon After CAR T-Cell Therapy in Lymphoma.

Clinical nuclear medicine

Boursier C, Perrin M, Bordonne M, Campidelli A, Verger A.
PMID: 34406181
Clin Nucl Med. 2022 Feb 01;47(2):e152-e153. doi: 10.1097/RLU.0000000000003870.

ABSTRACT: 18F-FDG PET/CT imaging series were acquired on a 64-year-old woman with refractory diffuse large B lymphoma to monitor chimeric antigen receptor (CAR) T-cell therapy. Because of a clinical deterioration, 18F-FDG PET/CT performed 8 days after CAR T-cell therapy...

Clinical impact of digital and conventional PET control databases for semi-quantitative analysis of brain .

EJNMMI research

Mairal E, Doyen M, Rivasseau-Jonveaux T, Malaplate C, Guedj E, Verger A.
PMID: 33258085
EJNMMI Res. 2020 Nov 30;10(1):144. doi: 10.1186/s13550-020-00733-y.

PURPOSE: Digital PET cameras markedly improve sensitivity and spatial resolution of brain METHODS: We retrospectively selected two groups of subjects, twenty-seven Alzheimer's Disease (AD) patients and twenty-two healthy control (HC) subjects. All subjects underwent a brain RESULTS: At group...

Adult Diffuse Low-Grade Gliomas: 35-Year Experience at the Nancy France Neurooncology Unit.

Frontiers in oncology

Obara T, Blonski M, Brzenczek C, Mézières S, Gaudeau Y, Pouget C, Gauchotte G, Verger A, Vogin G, Moureaux JM, Duffau H, Rech F, Taillandier L.
PMID: 33194684
Front Oncol. 2020 Oct 28;10:574679. doi: 10.3389/fonc.2020.574679. eCollection 2020.

BACKGROUND: To report survival, spontaneous prognostic factors, and treatment efficacy in a French monocentric cohort of diffuse low-grade glioma (DLGG) patients over 35 years of follow-up.METHODS: A monocentric retrospective study of 339 patients diagnosed with a new DLGG between...

Use of static and dynamic [.

EJNMMI research

Zaragori T, Ginet M, Marie PY, Roch V, Grignon R, Gauchotte G, Rech F, Blonski M, Lamiral Z, Taillandier L, Imbert L, Verger A.
PMID: 32472232
EJNMMI Res. 2020 May 29;10(1):56. doi: 10.1186/s13550-020-00645-x.

BACKGROUND: Static [METHODS: Fifty-one consecutive patients who underwent an [RESULTS: All static parameters were significant predictors of glioma recurrence/progression (accuracy ≥ 94%) with all parameters also associated with mean progression-free survival (PFS) in the overall population (all p <...

High-quality brain perfusion SPECT images may be achieved with a high-speed recording using 360° CZT camera.

EJNMMI physics

Bordonne M, Chawki MB, Marie PY, Zaragori T, Roch V, Grignon R, Imbert L, Verger A.
PMID: 33146804
EJNMMI Phys. 2020 Nov 04;7(1):65. doi: 10.1186/s40658-020-00334-7.

OBJECTIVE: The aim of this study was to compare brain perfusion SPECT obtained from a 360° CZT and a conventional Anger camera.METHODS: The 360° CZT camera utilizing a brain configuration, with 12 detectors surrounding the head, was compared to...

Room-temperature electronic template effect of the SmSi(111)-8x2 interface for self-alignment of organic molecules.

Chemphyschem : a European journal of chemical physics and physical chemistry

Makoudi Y, Duverger E, Arab M, Chérioux F, Ample F, Rapenne G, Bouju X, Palmino F.
PMID: 18537218
Chemphyschem. 2008 Jul 14;9(10):1437-41. doi: 10.1002/cphc.200800123.

This work describes an innovative concept for the development of organized molecular systems based on the template effect of the pre-structured semi-conductive SmSi(111) interface. This substrate is selected because Sm deposition in the submonolayer range leads to a 8x2-reconstruction,...

Influence of high numerical aperture on depth-of-field enhancing phase mask optimization in localization microscopy.

Journal of the Optical Society of America. A, Optics, image science, and vision

Lévêque O, Duverger R, Sauer H, Kulcsár C, Goudail F.
PMID: 34613146
J Opt Soc Am A Opt Image Sci Vis. 2021 Sep 01;38(9):1380-1390. doi: 10.1364/JOSAA.432696.

The depth-of-field (DoF) of localization microscopes can be extended by placing a phase mask in the aperture stop of the objective. To optimize these masks and characterize their performance, defocus is in general modeled by a simple quadratic pupil...

Showing 1 to 12 of 78 entries