Recherche - Archive ouverte HAL Accéder directement au contenu

Filtrer vos résultats

92 résultats

High-resolution mapping of uranium and other trace elements in recrystallized aragonite-calcite speleothems from caves in the Pyrenees (France) : implication for U-series dating

Richard Ortega , Richard Maire , Guillaume Devès , Yves Quinif
Earth and Planetary Science Letters, 2005, pp.911-923. ⟨10.1016/j.epsl.2005.06.045⟩
Article dans une revue istex halshs-00404665v1

Paparamborde: a software dedicated to quantitative mapping of biological samples using scanning transmission ion microscopy

Guillaume Devès , C. Michelet-Habchi , R. Ortega
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 2005, 231, pp.136-141. ⟨10.1016/j.nimb.2005.01.047⟩
Article dans une revue istex in2p3-00024128v1

Les stalagmites du réseau du trou Noir (Gironde) : rôle de l'effet de site dans l'enregistrement du signal climatique et environnemental

Benjamin Lans , Richard Maire , Richard Ortega , Guillaume Devès , Thomas Bacquart , et al.
Karstologia, 2006, pp.1-22. ⟨10.3406/karst.2006.2584⟩
Article dans une revue hal-00199711v1

Comparison of STIM and particle backscattering spectrometry mass determination for quantitative microanalysis of cultured cells

Guillaume Devès , Richard Ortega
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 2001, 181, pp.460. ⟨10.1016/S0168-583X(01)00468-2⟩
Article dans une revue istex hal-00139166v1

Constructing the nuclear caloric curve from thermal bremsstrahlung

R. Ortega
Eighth International Conference on Nucleus-Nucleus Collisions, Jun 2003, Moscou, Russia. pp.541-544, ⟨10.1016/j.nuclphysa.2004.01.100⟩
Communication dans un congrès istex in2p3-00024491v1
Image document

Multimodal and multiscale correlative elemental imaging: From whole tissues down to organelles

Stéphane Roudeau , Asuncion Carmona , Richard Ortega
Current Opinion in Chemical Biology, 2023, 76, pp.102372. ⟨10.1016/j.cbpa.2023.102372⟩
Article dans une revue hal-04170464v1
Image document

Coupling SEC and IEF to SXRF for metallation analysis of SOD1 enzyme isolated from the human central nervous system

Stéphane Roudeau , Benjamin Trist , Asuncion Carmona , Katherine Davies , Glenda Halliday , et al.
15th International Conference on X-ray Microscopy (XRM2022), Jun 2022, Hsinchu, Taiwan. pp.020005, ⟨10.1063/5.0168366⟩
Communication dans un congrès hal-04274137v1

Multicellular Consortia Preserved in Biogenic Ductile-Plastic Nodules of Okondja Basin (Gabon) by 2.1 Ga

Moussavou Edou Minko A , Mathieu Moussavou , Ambroise Edou-Minko , M Mbina Mounguengui , Richard Ortega , et al.
Journal of Geology & Geosciences, 2015, 04 (02), ⟨10.4172/2329-6755.1000195⟩
Article dans une revue hal-02900118v1
Image document

Cytoplasmic aggregation of uranium in human dopaminergic cells after continuous exposure to soluble uranyl at non-cytotoxic concentrations

Asuncion Carmona , Francesco Porcaro , Andrea Somogyi , Stéphane Roudeau , Florelle Domart , et al.
NeuroToxicology, 2021, 82, pp.35-44. ⟨10.1016/j.neuro.2020.10.015⟩
Article dans une revue hal-03066343v1

Karst as environmental recorder : methods of study

Richard Ortega , W. Peng , Nathalie Vanara , Richard Maire
Sino-French International Scientific Conference on Environment, Legacy, and Sustainable Development, Guiyang, China, July 2-5, 2007, 2007, Guiyang, China
Communication dans un congrès halshs-00352846v1
Image document

Manganese Mapping Using a Fluorescent Mn 2+ Sensor and Nanosynchrotron X-ray Fluorescence Reveals the Role of the Golgi Apparatus as a Manganese Storage Site

Sayani Das , Asuncion Carmona , Kaustav Khatua , Francesco Porcaro , Andrea Somogyi , et al.
Inorganic Chemistry, 2019, 58 (20), pp.13724-13732. ⟨10.1021/acs.inorgchem.9b01389⟩
Article dans une revue hal-02349653v1

Nuclear microanalysis of platinium and trace elements in cisplatin-resistant human ovarian adenocarcinoma cells

P. Moretto , R. Ortega , Y. Llabador , M. Simonoff , J. Benard
International Conference On Nuclear Microprobe Technology And Applications.4, Oct 1994, Shanghai, China. pp.292-298
Communication dans un congrès in2p3-00015221v1

Direct speciation analysis of inorganic elements in single cells using X-ray absorption spectroscopy

R. Ortega
Journal of Analytical Atomic Spectrometry, 2011, 26, pp.23-29. ⟨10.1039/C0JA00153H⟩
Article dans une revue in2p3-00586110v1

An Akouemma hemisphaeria Organic Macrofossils Colony Hosting Biodiversity Assemblage on the Seafloor of Okondja Basin (Gabon) dated at 2.2 Ga

A Edou-Minko , M Moussavou , T Sato , C Tchikoundzi , Y Sawaki , et al.
New Zealand Journal of Geology and Geophysics, 2017, 06 (02), ⟨10.4172/2381-8719.1000281⟩
Article dans une revue hal-02900111v1
Image document

Low-solubility particles and a Trojan-horse type mechanism of toxicity: the case of cobalt oxide on human lung cells

Richard Ortega , Carole Bresson , Carine Darolles , Celine C. Gautier , Stéphane Roudeau , et al.
Particle and Fibre Toxicology, 2014, 11 (1), pp.14. ⟨10.1186/1743-8977-11-14⟩
Article dans une revue hal-02899990v1

Study of radiation effects on the cell structure and evaluation of the dose delivered by x-ray and a-particles microscopy

E. Kosior , P. Cloetens , Guillaume Devès , R. Ortega , S. Bohic
Applied Physics Letters, 2012, 101, pp.263102. ⟨10.1063/1.4773181⟩
Article dans une revue in2p3-00771027v1

Three-dimensional densitometry imaging of diatom cells using STIM tomography

C. Habchi , D.T. Nguyen , Guillaume Devès , S. Incerti , L. Lemelle , et al.
17th international conference Ion Beam Analysis, Jun 2005, Seville, Spain. pp.653-659, ⟨10.1016/j.nimb.2006.03.074⟩
Communication dans un congrès istex in2p3-00426830v1

Correlative organelle fluorescence microscopy and synchrotron X-ray chemical element imaging in single cells

Stephane Roudeau , Asuncion Carmona , Laura Perrin , Richard Ortega
Analytical and Bioanalytical Chemistry, 2014, 406 (27), pp.6979-6991. ⟨10.1007/s00216-014-8004-4⟩
Article dans une revue hal-02899959v1

Bio-metals imaging and speciation in cells using proton and synchrotron radiation X-ray micro-spectroscopy

R. Ortega , Guillaume Devès , A. Carmona
Journal of the Royal Society Interface, 2009, 6, pp.S649-S658. ⟨10.1098/rsif.2009.0166.focus⟩
Article dans une revue in2p3-00762347v1

Trace metal content in distinct genotypes of human neuroblasma cells : preliminary results

R. Ortega , B. Gouget , P. Moretto , C. Michelet , J. Benard , et al.
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 1997, 130, pp.449-453
Article dans une revue in2p3-00000075v1
Image document

Advances in element speciation analysis of biomedical samples using synchrotron-based techniques

Francesco Porcaro , Stéphane Roudeau , Asunción Carmona , Richard Ortega
Trends in Analytical Chemistry, 2018, 104, pp.22-41. ⟨10.1016/j.trac.2017.09.016⟩
Article dans une revue hal-01905442v1
Image document

Combined use of hard X-ray phase contrast imaging and X-ray fluorescence microscopy for sub-cellular metal quantification.

Ewelina Kosior , Sylvain Bohic , Heikki Suhonen , Richard Ortega , Guillaume Devès , et al.
Journal of Structural Biology, 2012, 177 (2), pp.239-47. ⟨10.1016/j.jsb.2011.12.005⟩
Article dans une revue inserm-00662829v1

Uranium mapping in speleothems: occurrence of diagenesis, detrital contamination and geochemical consequences. In “Karst Horizons”

M. Maire , Guillaume Devès , Anne-Sophie Perroux , Benjamin Lans , Thomas Bacquart , et al.
15th International Congress of Speleology, Jul 2009, Texas, United States. Sous presse
Communication dans un congrès halsde-00395150v1

Iron distribution in cancer cells following doxorubicin exposure using proton and X-ray synchrotron radiation microprobes

R. Ortega , Guillaume Devès , S. Bohic , A. Simionovici , B. Ḿenez , et al.
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 2001, 181, pp.480. ⟨10.1016/S0168-583X(01)00476-1⟩
Article dans une revue istex hal-00138994v1

Imaging and speciation of trace elements in biological environment

Ryszard Lobinski , Christophe Moulin , Richard Ortega
Biochimie, 2006, 88 (11), pp.1591-1604. ⟨10.1016/j.biochi.2006.10.003⟩
Article dans une revue istex hal-00199715v1

Coupling of native IEF and extended X-ray absorption fine structure to characterize zinc-binding sites from pI isoforms of SOD1 and A4V pathogenic mutant

S. Chevreux , I. Llorens , P. Lorenzo Solari , S. Roudeau , Guillaume Devès , et al.
Electrophoresis, 2012, 33, pp.1276-1281. ⟨10.1002/elps.201100596⟩
Article dans une revue in2p3-00699389v1

Environmental manganese compounds accumulate as Mn(II) within the Golgi apparatus of dopamine cells: relationship between speciation, subcellular distribution, and cytotoxicity

A. Carmona , S. Roudeau , L. Perrin , G. Veronesi , R. Ortega
Metallomics, 2014, 6, pp.822-832. ⟨10.1039/C4MT00012A⟩
Article dans une revue in2p3-01020559v1
Image document

Uranium exposure of human dopaminergic cells results in low cytotoxicity, accumulation within sub-cytoplasmic regions, and down regulation of MAO-B

A. Carmona , Veronique Malard , E. Avazeri , S. Roudeau , F. Porcaro , et al.
NeuroToxicology, 2018, 68, pp.177-188. ⟨10.1016/j.neuro.2018.07.019⟩
Article dans une revue cea-02339669v1
Image document

X-ray fluorescence imaging of uranium distribution in human dopaminergic cells

Asuncion Carmona , Andrea Somogyi , Stephane Roudeau , Francesco Porcaro , Kadda Medjoubi , et al.
15th International Conference on X-ray Microscopy (XRM2022), Jun 2022, Hsinchu, Taiwan. pp.020007, ⟨10.1063/5.0168512⟩
Communication dans un congrès hal-04274147v1
Image document

Manganese levels in infant formula and young child nutritional beverages in the United States and France: Comparison to breast milk and regulations

Seth Frisbie , Erika Mitchell , Stéphane Roudeau , Florelle Domart , Asunción Carmona , et al.
PLoS ONE, 2019, 14 (11), pp.e0223636. ⟨10.1371/journal.pone.0223636⟩
Article dans une revue hal-02351030v1