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DTSTART;TZID=Europe/Paris:20251125T080000
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DTSTAMP:20260430T214842
CREATED:20251018T120322Z
LAST-MODIFIED:20251112T084801Z
UID:11698-1764057600-1764090000@fermi.univ-tlse3.fr
SUMMARY:La morphologie comme lecture de l’état cellulaire : classification\, métriques et dynamiques. - (Ashok Prasad / LPT / Seminar). - 25/11/2025\, 14H
DESCRIPTION:Séminaire LPT \nAshok Prasad (Université d’État du Colorado) \nSeminar LPT\, 25/11/2025\, 14H\, 3R4\, salle de conférence \nSummary\nCell morphology offers a powerful and underutilized lens for understanding cellular identity\, behavior\, and state. While transcriptomic and proteomic profiling have revolutionized our capacity to characterize cells\, quantitative morphological features can provide complementary insights into cell state and function. In this talk\, I will present our recent work demonstrating that cells can be robustly classified using a range of morphological metrics derived from microscopy images. I will discuss our ongoing efforts for deeper insight. These include studying the relationship between cell shape\, actin structure and nuclear size and shape as well as by developing new morphological measures that are sensitive to the structure and dynamics of intracellular structures\, especially the actin cytoskeleton and other dynamic biopolymer networks. We simulate the actin cytoskeleton\, incorporating the action of molecular motors and cross-linkers\, and look for features that are sensitive to different initial conditions and differences in temporal dynamics. Ultimately\, we seek to build a framework in which cellular morphology is treated as a high-dimensional\, information-rich signature of cell state. Our work is part of a broader vision of morphology-based phenotyping as a bridge between structure and function in living systems.
URL:https://fermi.univ-tlse3.fr/event/tba-ashok-prasad-lpt-seminar-25-11-2025-14h/
LOCATION:Salle de conférence\, Bâtiment 3R4
CATEGORIES:Events,LPT,Seminars
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DTSTART;TZID=Europe/Paris:20251125T110000
DTEND;TZID=Europe/Paris:20251125T123000
DTSTAMP:20260430T214842
CREATED:20251018T082110Z
LAST-MODIFIED:20251106T092302Z
UID:11757-1764068400-1764073800@fermi.univ-tlse3.fr
SUMMARY:Towards control of quantum materials using intense laser pulses. - (Nicolas TANCOGNE-DEJEAN / FeRMI / Séminaire). - 25/11/2025\, 11H
DESCRIPTION:Séminaire FeRMI \nNicolas TANCOGNE-DEJEAN\,  Research Center Futur Energy Materials and Systems of the University Alliance Ruhr and Interdisciplinary Centre for Advanced Materials Simulations (Ruhr University Bochum\, Allemagne) \nSummary :\nAll-optical spectroscopy of matter is a well established technique to access properties of electrons and quasi-particles in matter\, and the description of optical properties of material is well understood in the limit of weak laser fields. Recent advances in experimental techniques have opened up the possibility to develop novel types of spectroscopies based ultrashort and intense laser pulses.\nUsing these new probes allows for instance to access non-equilibrium dynamics of condensed-matter systems\, coherently control magnetization on ultrafast timescales\, or to allow for exploring non-equilibrium phase diagram of correlated materials.\nThe strong-field electronic dynamics in solids have received a lot of attention\, in particular due to the experimental observation of high-harmonic generation in solids. The dynamics associated with strong laser fields requires a non-perturbative description of the electronic dynamics. In this talk\, I will present how a successful way for describing this strong-field dynamics in quantum materials\, using ab initio methods based on real-time time-dependent density functional theory\, complemented by an ab initio Hubbard U [1].\nI will present some examples of how these intense lasers can be used to coherently control materials’ properties\, in particular correlated materials electronic structure [2]\, magnetic [3]\, and optical properties on ultrafast timescales [4\,5]\, especially focusing on recent experimental validations of the earlier theoretical predictions. \n[1] . N. Tancogne-Dejean\, et al.\, Phys. Rev. Lett. 118\, 087403 (2017)\n[2] . S. Beaulieu\, et al.\, Science Advances 7\, abd9275 (2021)\n[3] . G. Topp\, N. Tancogne-Dejean et al.\, Nat. Commun. 9\, 4452 (2018)\n[4] . T. Rossi\, N. Tancogne-Dejean\, et al.\, Science Advances 11\, adx5676 (2024)\n[5] . R. Cazali et al.\, arXiv:2501.19238 (2025) \n 
URL:https://fermi.univ-tlse3.fr/event/towards-control-of-quantum-materials-using-intense-laser-pulses-nicolas-tancogne-dejean-fermi-seminaire-25-11-2025-11h/
LOCATION:Salle de conférence\, Bâtiment 3R4
CATEGORIES:Events,FeRMIsem,Seminars
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