Seminars

PMMH’s weekly seminar is held every Friday at 11 am (map)

Contact :
Stéphane Perrard
Etienne Reyssat
Virgile Thiévenaz
responsables-seminaires (arobase) pmmh.espci.fr

PMMH
BARRE CASSAN
BAT A 1ER ETAGE CASE 18
7 QUAI SAINT BERNARD
75005 PARIS
France

Tel : (33) 1 40 79 45 22


Séminaire PMMH – Joseph Ackerman (Lab. Jean Perrin, Sorbonne Université)

Vendredi 20 décembre 2024 de 11h00 à 12h00 - Salle réunion PMMH 1

How the interplay between the orientations of tumor microenvironment components controls its dynamics

The tumor microenvironment is a complex medium in which multiple components coexist. These include different cell types and the extracellular matrix. Interactions between these components determine the dynamic properties of this mixture. In particular, some of the components may have an orientational order (polar or nematic) that is related to an activity. The alignment or antialignment of these orientations can induce complex dynamics, such as slowing down due to aging processes or, on the contrary, flocking transition or cyclic dynamics. In this talk I will present two experiments and their physical description involving reciprocal and non-reciprocal interactions and some questions they raise.

References :
[1] Jacques, Cécile, et al. "Aging and freezing of active nematic dynamics of cancer-associated fibroblasts by fibronectin matrix remodeling." bioRxiv (2023) : 2023-11.
[2] Bell, Samuel, et al. "Ordering, spontaneous flows and aging in active fluids depositing tracks." arXiv preprint arXiv:2409.05195 (2024).

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Seminars  (0)

Information for the speakers

The audience is composed of people with rather heterogeneous backgrounds including specialists in solids, fluids, granular flows, statistical physics... so the idea is to keep your talk understandable by people not necessarily working in your field... The seminar time slot runs from 11am to noon so the best is to make the talk last around 45 minutes to leave some time for discussion.

Link to cofee seminar (internal, every Thursday)


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Contact

Directeur : Ramiro GODOY DIANA
Codirecteur : Laurent DUCHEMIN
Administratrice : Frédérique AUGER (01 40 79 45 22)
Gestionnaire : Claudette BAREZ (01 40 79 58 53)
Courriel : dir (arobase) pmmh.espci.fr
Téléphone : 01 40 79 45 22