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DTSTART;TZID=Europe/Paris:20260910T133000
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DTSTAMP:20260901T154444Z
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UID:7242-1789047000-1789052400@www.cnrs-imn.fr
SUMMARY:"Solid-State Chemistry Thursdays" Seminar - Pauline Martinetto (UGA / Néel Institute\, CNRS-UGA)
DESCRIPTION:Physicochemical Analyses of Ancient and Cultural Heritage Materials: From Non-Invasive Measurements on Artworks to Semi-Automated Quantitative Phase Analysis \n \nPauline Martinetto \nUGA / Néel Institute\, CNRS-UGA Grenoble \nVideo: https://univ-nantes-fr.zoom.us/s/88629102497 \nCultural heritage materials are increasingly the focus of interdisciplinary research programs\, in which the approaches of the various disciplines involved are combined with the goal of tracing the history of works of art\, from their creation and manufacture to their current state of deterioration. At the Institut Néel\, we seek to develop X-ray analysis methods to reveal the traces recorded in these materials in order to identify the raw materials\, their composition\, and\, if possible\, their provenance and the technical expertise involved.  \nIn this presentation\, I will discuss the analytical approach we have recently developed\, which combines non-invasive fluorescence spectroscopy and X-ray diffraction measurements performed directly on the artworks with synchrotron diffraction mapping and tomography experiments on micro-samples. The use of these synchrotron imaging techniques results in the collection of massive amounts of data\, which has led us to develop rapid\, semi-automated processing methods that allow us to obtain quantitative information at every point in the image\, which are particularly informative for understanding complex pictorial stratigraphies. I will illustrate our approach by presenting various examples\, drawn in particular from the interdisciplinary PATRIMALP program (IDEX\, UGA)\, and will focus specifically on the studies we have conducted on the polychromy of late-Medieval sculptures and manuscripts.
URL:https://www.cnrs-imn.fr/en/event/solid-state-chemistry-thursdays-seminar-pauline-martinetto-uga-neel-institute-cnrs-uga/
LOCATION:Videoconferencing
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DTSTART;TZID=Europe/Paris:20260911T143000
DTEND;TZID=Europe/Paris:20260911T163000
DTSTAMP:20260901T143424Z
CREATED:20260901T100405Z
LAST-MODIFIED:20260901T143424Z
UID:7216-1789137000-1789144200@www.cnrs-imn.fr
SUMMARY:Talita Mazon Seminar
DESCRIPTION:Engineering Functional Materials for Real-World Applications: Biosensing\, Gas Sensing\, and Energy Storage \n\nTalita MAZON \nCTI – Renato Archer Information Technology Center (CTI)\, Campinas\, São Paulo\, Brazil \nBio\nDr. Talita Mazon is a Senior Researcher at the Renato Archer Information Technology Center (CTI) in Brazil\, with a background in chemistry (B.S. – 1994\, M.S. – 1997\, and Ph.D. – 2001) and expertise in materials science and nanotechnology. Her research focuses on the design and synthesis of advanced functional materials\, including nanostructured metal oxides\, ceramic systems\, and carbon-based composites. She has extensive experience in developing electrochemical biosensors for the detection of clinically relevant biomarkers\, as well as in integrating these materials into portable\, low-cost diagnostic platforms. She has authored over 45 scientific publications in peer-reviewed journals. Her work also encompasses energy storage and environmental applications\, including nanomaterials for gas sensors\, supercapacitors\, and photocatalytic systems for pollutant degradation. Prof. Mazon has coordinated and participated in several national and international research projects and collaborates closely with academic and industrial partners. Her research aims to bridge the gap between fundamental materials development and real-world technological applications\, contributing to innovation in health\, environmental solutions\, and energy.         \nAbstract \nThis talk will present recent advances in the design and engineering of functional materials for real-world applications\, with a focus on biosensing\, gas sensing\, and energy storage. The work highlights the development of nanostructured materials—including metal oxides\, carbon-based composites\, and hybrid nanoarchitectures—tailored to achieve enhanced electrical\, catalytic\, and surface properties.  \nIn the field of biosensing\, emphasis will be placed on integrating these materials into electrochemical platforms for the detection of clinically relevant biomarkers\, enabling sensitive\, low-cost\, and portable diagnostic solutions. Strategies such as surface engineering\, nanoheterojunction design\, and the use of catalytic nanomaterials will be discussed as key approaches to improving sensitivity\, selectivity\, and stability.  \nFor gas-sensing applications\, the presentation will explore the use of semiconductor metal oxides and nanostructured heterojunctions for the detection of gases and volatile organic compounds (VOCs). Particular attention will be given to the role of morphology control and surface functionalization\, as well as to strategies for enhancing selectivity and response under real operating conditions.  \nIn the field of energy storage\, this presentation will address recent advances in the development of biochar-based nanostructured materials for supercapacitors\, focusing on improving charge storage capacity\, cycling stability\, and energy density through controlled composition and architecture. \nOverall\, the talk will explore the challenges and opportunities involved in translating functional materials from laboratory-scale research to practical applications\, with a focus on scalability\, sustainability\, and the development of cost-effective technologies that have a real societal impact. \n  \nContact: Mireille Richard-Plouet (PCM)
URL:https://www.cnrs-imn.fr/en/event/talita-mazon-seminar/
LOCATION:Amphi IMN Lombarderie
ATTACH;FMTTYPE=image/jpeg:https://www.cnrs-imn.fr/wp-content/uploads/2026/09/Talita_Mazon.jpg
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DTSTART;VALUE=DATE:20261002
DTEND;VALUE=DATE:20261005
DTSTAMP:20260911T133530Z
CREATED:20260911T124304Z
LAST-MODIFIED:20260911T133530Z
UID:7414-1790899200-1791158399@www.cnrs-imn.fr
SUMMARY:Science Festival 2026
DESCRIPTION:The IMN looks forward to seeing you at the 2026 Science Festival! \nThis year’s theme: Sophisticated Flavors \nOctober 2–4 at the Dobré Museum \nThe IMN is offering brand-new workshops on nutrition: \n\nFood Rheology\nInfrared Spectroscopy for Food Quality Analysis\nFood Packaging Materials\nMeasuring pH Using Cabbage Leaves\nViewing Certain Foods Under a Microscope\n\nTo learn more about the Dobré Museum’s Science Village \nContact: jeremy.barbe@cnrs-imn.fr\, sandrine.perruchas@cnrs-imn.fr \n \n  \n 
URL:https://www.cnrs-imn.fr/en/event/science-festival-2026/
LOCATION:Dobré Museum
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