Explanipedia

From P3 to P2: Synthesis and Role of Morphology in Li-Substituted Layered Oxides for Na-Ion Batteries Open

Prabhat Thapliyal, Jade Laurier, Rémi Tucoulou, Manfred Burghammer, Matteo Bianchini · 2025

International audience

The crystalline properties of silica biomorphs vary within and between morphologies Open

M. P. K. Frewein, Britta Maier, Moritz Stammer, Isabella Silva Barreto, Anastasiia Sadetskaia , et al. · 2025

Silica-carbonate biomorphs are a class of emergent materials, i.e. composite microstructures made of nanometric carbonate crystallites surrounded by amorphous silica. They form via a co-precipitation process in an interplay between alkalin…

Deciphering the nature of secondary Ag S species in soils polluted with Ag nanoparticles Open

A. Real, Hiram Castillo-Michel, Rälf Kaegi, Juan Reyes-Herrera, Rémi Tucoulou , et al. · 2025

International audience

Nanoscale distribution of potentially toxic elements in seaweeds revealed by synchrotron X-ray fluorescence Open

Antón Vázquez‐Arias, M. Teresa Boquete, Beatriz Martín-Jouve, Rémi Tucoulou, Conxi Rodríguez-Prieto , et al. · 2024

In Operando Study of Microsupercapacitors with Gel Electrolytes Using Nano‐Beam Synchrotron X‐ray Diffraction Open

Gui Li, Nicolas Boulanger, Artem Iakunkov, Han Xue, Jiantong Li , et al. · 2024

Synchrotron radiation X‐ray diffraction (XRD) with nanoscale beam size was used here for in situ and in operando study of micro‐supercapacitors (MSC) with gel electrolyte and MXene Ti 3 C 2 T x electrodes. The electrode structure was chara…

Ca-oxalate crystals are involved in cadmium storage in a high Cd accumulating cultivar of cacao Open

Hester Blommaert, Hiram Castillo‐Michel, Giulia Veronesi, Rémi Tucoulou, Jacques Beauchêne , et al. · 2024

Unraveling the synergistic effects of Cu-Ag tandem catalysts during electrochemical CO2 reduction using nanofocused X-ray probes Open

Marvin Frisch, Longfei Wu, Clément Atlan, Zhe Ren, Madeleine Han , et al. · 2023

X ray nanoprobe for fault attacks and circuit edits on 28-nm integrated circuits Open

Sophie Bouat, S. Anceau, L. Maingault, Jessy Clédière, L. Salvò , et al. · 2023

Ionizing radiations pose risks to Integrated Circuits (ICs) in space devices and nuclear reactors, but their effects are mitigated by specific designs and redundancy. Besides characterizing radiation faults, X-rays can be intentionally use…

Observation of long-range anisotropy in a vapor-deposited metallic glass Open

Peihao Sun, Alessandro Martinelli, A. P. Melnikov, Manfred Burghammer, Jerzy Antonowicz , et al. · 2023

Deciphering silver nanoparticle fate in liver up to biliary excretion using HepG2/C3A spheroids in scenarios mimicking different exposure pathways Open

Yousr Rekik, Vanessa Tardillo Suárez, Vikas Sharma, Mireille Chevallet, Benoît Gallet , et al. · 2023

This study probes the exposure route-dependent fate of silver nanoparticles by using a 3D cell model mimicking the liver. It reveals the cellular trafficking and transformation of silver species, up to their storage in vacuoles or biliary …

Evidence of manganese incorporation and distribution at the nanoscale in coccolithophore calcite Open

Cinzia Bottini, Monica Dapiaggi, Nicola Rotiroti, Gabriele Gambacorta, Chiara Bettoni , et al. · 2022

The coccolithophore algae (Calcihaptophycidae) produce an extracellular covering of calcium carbonate plates (coccoliths) and are responsible for up to 10% of global carbon fixation through photosynthesis and biomineralization. Therefore, …

Synchrotron-based characterization of arthroprosthetic CoCrMo particles in human bone marrow Open

Janosch Schoon, Bernhard Hesse, Rémi Tucoulou, Sven Geißler, Melanie Ort , et al. · 2022

Particles released from cobalt-chromium-molybdenum (CoCrMo) alloys are considered common elicitors of chronic inflammatory adverse effects. There is a lack of data demonstrating particle numbers, size distribution and elemental composition…

Chemical analysis of trace elements at the nanoscale in samples recovered from laser-heated diamond anvil cell experiments Open

Ingrid Blanchard, Sylvain Petitgirard, Vera Laurenz, Nοbuyοshi Miyajima, Max Wilke , et al. · 2022

Chemical Analysis of Trace Elements at the Nanoscale in Samples Recovered from Laser-Heated Diamond Anvil Cell Experiments Open

Ingrid Blanchard, Sylvain Petitgirard, Vera Laurenz, Nοbuyοshi Miyajima, Max Wilke , et al. · 2022

High pressure and high temperature experiments performed with laser-heated diamond anvil cells (LH-DAC) are being extensively used in geosciences in order to study matter at conditions prevailing in planetary interiors. Due to the…

Evidence of high Sr/Ca in a Middle Jurassic murolith coccolith species Open

Baptiste Suchéras-Marx, Fabienne Giraud, Alexandre Simionovici, Rémi Tucoulou, I. M. Daniel · 2021

Paleoceanographical reconstructions are often based on microfossil geochemical analyses. Coccoliths are the most ancient, abundant and continuous record of pelagic photic zone calcite producer organisms. Hence, they could be valuable subst…

Development of a multi-method analytical approach based on the combination of synchrotron radiation X-ray micro-analytical techniques and vibrational micro-spectroscopy methods to unveil the causes and mechanism of darkening of “fake-gilded” decorations in a Cimabue painting Open

Letizia Monico, Silvia Prati, Giorgia Sciutto, Emilio Catelli, A. Romani , et al. · 2021

Synchrotron radiation X-ray micro-analytical techniques and vibrational micro-spectroscopy methods were used to establish the factors and mechanism of darkening of “fake-gilded” decorations in the Maestà by Cimabue and aged paint mock-ups.

Subcellular architecture and metabolic connection in the planktonic photosymbiosis between Collodaria (radiolarians) and their microalgae Open

Johan Decelle, Giulia Veronesi, Charlotte LeKieffre, Benoît Gallet, Fabien Chevalier , et al. · 2021

Summary Photosymbiosis is widespread and ecologically important in the oceanic plankton but remains poorly studied. Here, we used multimodal subcellular imaging to investigate the photosymbiosis between colonial Collodaria and their microa…

Cellular remains in a ~3.42-billion-year-old subseafloor hydrothermal environment Open

Barbara Cavalazzi, Laurence Lemelle, Alexandre Simionovici, Sherry L. Cady, Michael J. Russell , et al. · 2021

Oldest microfossils with methane-based metabolism in a subsurface environment expand the frontiers of early Earth habitability.

Correlative transmission electron microscopy and high-resolution hard X-ray fluorescence microscopy of cell sections to measure trace element concentrations at the organelle level Open

Vanessa Tardillo Suárez, Benoît Gallet, Mireille Chevallet, Pierre‐Henri Jouneau, Rémi Tucoulou , et al. · 2021

Adorym: a multi-platform generic X-ray image reconstruction framework based on automatic differentiation Open

Ming Du, Saugat Kandel, Junjing Deng, Xiaojing Huang, Arnaud Demortière , et al. · 2021

We describe and demonstrate an optimization-based X-ray image reconstruction framework called Adorym. Our framework provides a generic forward model, allowing one code framework to be used for a wide range of imaging methods ranging from n…

3D Quantification of Microstructural Properties of LiNi0.5Mn0.3Co0.2O2 High‐Energy Density Electrodes by X‐Ray Holographic Nano‐Tomography Open

Tuan‐Tu Nguyen, Julie Villanova, Zeliang Su, Rémi Tucoulou, Benoît Fleutot , et al. · 2021

Despite significant progress in the field of tomography, capturing the carbon binder domain (CBD) morphology presented in the Li‐ion electrode remains challenging, due to its low attenuation coefficient. In this work, quantitative phase co…

New results and challenges in Sr/Ca studies on Jurassic coccolithophorids Open

Baptiste Suchéras-Marx, Fabienne Giraud, Alexandre Simionovici, Rémi Tucoulou, I. M. Daniel · 2020

A recommendation of: Suchéras-Marx B, Giraud F, Simionovici A, Tucoulou R, and Daniel I (2020). Evidence of high Sr/Ca in a Middle Jurassic murolith coccolith species. PaleorXiv, dcfuq, version 7, peer-reviewed by PCI Pale…

Relationship Between Hg Speciation and Hg Methylation/Demethylation Processes in the Sulfate-Reducing Bacterium Pseudodesulfovibrio hydrargyri: Evidences From HERFD-XANES and Nano-XRF Open

Marie‐Pierre Isaure, Marine Albertelli, Isabelle Kieffer, Rémi Tucoulou, Mélina Petrel , et al. · 2020

Microorganisms are key players in the transformation of mercury into neurotoxic methylmercury (MeHg). Nevertheless, this mechanism and the opposite MeHg demethylation remain poorly understood. Here, we explored the impact of inorganic merc…

Metal‐Specific Biomaterial Accumulation in Human Peri‐Implant Bone and Bone Marrow Open

Janosch Schoon, Bernhard Hesse, Anastasia Rakow, Melanie Ort, Adrien Lagrange , et al. · 2020

Metallic implants are frequently used in medicine to support and replace degenerated tissues. Implant loosening due to particle exposure remains a major cause for revision arthroplasty. The exact role of metal debris in sterile peri‐implan…

Evidence of high Sr/Ca in a Middle Jurassic murolith coccolith species Open

Baptiste Suchéras-Marx, Fabienne Giraud, Alexandre Simionovici, Rémi Tucoulou, I. M. Daniel · 2020

Paleoceanographical reconstructions are often based on microfossil geochemical analyses. Coccoliths are the most ancient, abundant and continuous record of pelagic photic zone calcite producer organisms. Hence, they could be valuable subst…

Origin of manganese in nannofossil calcite based on synchrotron nanoXRF and XANES Open

Baptiste Suchéras-Marx, Fabienne Giraud, I. M. Daniel, Camille Rivard, Marie‐Pierre Aubry , et al. · 2020

Calcareous nannofossils are micrometric calcite platelets secreted by coccolithophores and incertae sedis photosynthetic algae. Calcareous nannoplankton inhabit the photic zone from coast to open-ocean and have left an abundant fossil reco…

Subcellular Chemical Imaging: New Avenues in Cell Biology Open

Johan Decelle, Giulia Veronesi, Benoît Gallet, Hryhoriy Stryhanyuk, Pietro Benettoni , et al. · 2020

Visualization of silver nanoparticle intracellular trafficking revealed nuclear translocation of silver ions leading to nuclear receptor impairment Open

Vanessa Tardillo Suárez, Elizaveta Karepina, Mireille Chevallet, Benoît Gallet, Cécile Cottet‐Rousselle , et al. · 2019

The impact on human health of the increasing use of silver nanoparticles (AgNPs) in medical devices remains understudied, even though AgNP-containing dressings are known to release silver in the bloodstream leading to accumulation and slow…

Distribution of nickel and chromium containing particles from tattoo needle wear in humans and its possible impact on allergic reactions Open

Ines Schreiver, Bernhard Hesse, Christian Seim, Hiram Castillo‐Michel, Lars Anklamm , et al. · 2019

Previously, the virtually inevitable nickel contamination of iron pigments was suspected to be responsible for nickel-driven tattoo allergies. The evidence from our study clearly points to an additional entry of nickel to both skin and lym…

Visualization of the Ionome in Planktonic Symbioses Open

Johan Decelle, Giulia Veronesi, Benoît Gallet, Hryhoriy Stryhanyuk, Sophie Marro , et al. · 2019

Journal Article Visualization of the Ionome in Planktonic Symbioses Get access Johan Decelle, Johan Decelle Cell and Plant Physiology Laboratory – University of Grenoble Alpes, CNRS, CEA, INRA; Grenoble, France Corresponding author: johan.…

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