Importance of radiolytic reactions during high-LET irradiation modalities: LET effect, role of O2 and radiosensitization by nanoparticles

Autor: Gérard Baldacchino, Emilie Brun, Ibtihel Denden, Sarah Bouhadoun, Raphael Roux, Hicham Khodja, Cécile Sicard-Roselli

Publikováno v: Cancer Nanotechnology, Vol 10, Iss 1, Pp 1-21 (2019)

Abstract This article reviews radiation chemistry processes induced by high-linear energy transfer (LET) radiation. The first part gives a short historical introduction and defines the essential concepts of radiation chemistry. It is aimed at radiobi

Externí odkaz: https://doaj.org/article/cf98fef4191a412b88c001fa11dd2689

New Insights into the Reactivity of Detonation Nanodiamonds during the First Stages of Graphitization

Autor: Florent Ducrozet, Hugues A. Girard, Jocelyne Leroy, Eric Larquet, Ileana Florea, Emilie Brun, Cécile Sicard-Roselli, Jean-Charles Arnault

Publikováno v: Nanomaterials, Vol 11, Iss 10, p 2671 (2021)

The present study aims to compare the early stages of graphitization of the same DND source for two annealing atmospheres (primary vacuum, argon at atmospheric pressure) in an identical set-up. DND samples are finely characterized by a combination of

Externí odkaz: https://doaj.org/article/e9c6ba32e056466b86cdf1a3052ab8d9

Unintentional formation of nitrate and nitrite ions during nanodiamonds sonication: A source of radical and electron scavengers

Autor: Florent Ducrozet, Hugues A. Girard, Teodor Jianu, Sophie Peulon, Emilie Brun, Cécile Sicard-Roselli, Jean-Charles Arnault

Publikováno v: Colloids and Surfaces A: Physicochemical and Engineering Aspects
Colloids and Surfaces A: Physicochemical and Engineering Aspects, 2023, 663, pp.131087. ⟨10.1016/j.colsurfa.2023.131087⟩

International audience

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9e43bce49f869878170e1024e2c441e8
https://hal.science/hal-04049116

Endolysosomal TPCs regulate social behavior by controlling oxytocin secretion

Autor: Lora L. Martucci, Jean-Marie Launay, Natsuko Kawakami, Cécile Sicard, Nathalie Desvignes, Mbarka Dakouane-Giudicelli, Barbara Spix, Maude Têtu, Franck-Olivier Gilmaire, Sloane Paulcan, Jacques Callebert, Cyrille Vaillend, Franz Bracher, Christian Grimm, Philippe Fossier, Sabine de la Porte, Hirotaka Sakamoto, John Morris, Antony Galione, Sylvie Granon, José-Manuel Cancela

Publikováno v: Proceedings of the National Academy of Sciences. 120

Oxytocin (OT) is a prominent regulator of many aspects of mammalian social behavior and stored in large dense-cored vesicles (LDCVs) in hypothalamic neurons. It is released in response to activity-dependent Ca 2+ influx, but is also dependent on Ca 2

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b9fc8b7b5712e85f0c955136ea1c08c7
https://doi.org/10.1073/pnas.2213682120

Hydrogen plasma treated nanodiamonds lead to an overproduction of hydroxyl radicals and solvated electrons in solution under ionizing radiation

Autor: Michel Mermoux, Hugues A. Girard, Cécile Sicard-Roselli, Emilie Brun, Jean-Charles Arnault

Publikováno v: Carbon
Carbon, 2020, 162, pp.510-518. ⟨10.1016/j.carbon.2020.02.063⟩

International audience; In numerous fields of application (environmental remediation, catalysis, nanomedicine), production ofhydroxyl radicals and solvated electrons by nanomaterials is a cornerstone. Through a very sensitive,nanoparticle-compatible,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::86ebc0e069bbbc82d7f3ff23f3e28070
https://doi.org/10.1016/j.carbon.2020.02.063