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Article Dans Une Revue Radiation Physics and Chemistry Année : 2018

Editorial (IRaP 2016 Proceedings)

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This issue of Radiation Physics and Chemistry contains selected papers presented at the 12th Ionizing Radiation and Polymers conference (IRaP 2016) that was held from September 25 to September 30, 2016 at Belambra “Les Criques” in Giens, France. IRaP has the particularity to focus on the effect of ionizing radiations on polymers. This biennial conference was initiated with the three-fold objective to 1) bring together scientists from research centers, universities and industry, 2) provide a forum to exchange knowledge and information in this field and , 3) to promote innovative applications. IRaP 2016 was attended by 125 scientists and 10 accompanying persons from 20 countries. The scientific program consisted of 15 plenary sessions (21 invited and 40 selected lectures), two poster sessions (68 posters), 1 course and 1 keynote. The course, delivered by Emmanuel Balanzat (Caen, France), gave young scientists the opportunity to enlarge their knowledge on the influence of the nature of the projectile on polymer modification, i.e. the specificity of Swift Heavy Ions. The keynote, presented by Pr. Vladimir Feldman (Moscow, Russia), gave a great overview on radiation damage mechanisms at cryogenic temperatures. IRaP2016 in France gave the opportunity to honor the memory of Dr. Natacha Betz, one of the founders of the IRaP conference, for the tenth anniversary of her passing away. In a dedicated tribute, Dr. Serge Bouffard (Caen, France) offered a wealth of insights on her scientific career, testimonials of memorable moments and messages to the polymer irradiation community. IRaP2016 was also the occasion to acknowledge some senior scientists’ contributions. Especially, a special session on gels, devoted to Pr. Janusz Rosiak (Lodz, Poland), was hosted to mark his upcoming retirement. This was an opportunity for his colleagues and friends to congratulate him and to highlight his valuable and remarkable input on the development of hydrogels. Traditional IRaP symposium topics such as fundamental processes, radiation-induced chemical modifications (ageing, degradation, resulting physical properties modification) and their application in the fabrication of advanced materials were addressed. Notably, the nanostructures of polymer thin films through ion-track technology allows the fabrication of interesting advanced polymer-based new materials for sensoring purposes. Radiation-induced grafting technique is still widely developed, using up-to-date polymerization mechanisms (eg. RAFT mechanism), and applied to various industrial fields of interest among which flame retardant materials, energy harvesting or drug delivery systems. It is worth noting that drug delivery devices, combining various radiation-based strategies such as the synthesis of crosslinked nanogels, were widely represented. In addition to synthetic polymers, bio-based and biopolymers were presented as base materials of growing interest. Due to an increasing environmental concern, numerous studies aimed notably at improving the biodegradability of polymers. New sessions (Radiolysis and Lifetime prediction) and new trends (Monte-Carlo calculations for the study of polymer ageing and the association of metal/polymer hybrid nanoparticles for medical applications) have entered the topic list of the 12th IRaP. The present special issue of Radiation Physics and Chemistry gathers the selected articles, peer reviewed by independent referees, among the manuscripts submitted for publication after the conference. The organizing committee gratefully acknowledges all the contributors. We thank the referees for their critical reading of the manuscripts and the associated detailed reviews, ensuring the required standard for RPC. The three guest editors would also like to thank Pr. Laszlo Wojnarovits for his help during the editing process. The success of this 12th edition of the IRaP conference is first assigned to the attendees and the contributors. On behalf of the organizing committee, we would like to thank them for this special issue, the scientific and steering committees for their valuable help in the organization and the local organizing committee (the green team and L. De Baeremaker included) for all the hours of hard work they have pulled to make this conference a great success. We address a special and personal thanks to Dr. Caroline Aymes-Chodur for her precious help all along the conference organization, despite her knowing that she wouldn’t attend the conference. We also thank the staff of the Belambra “Les Criques“ resort, especially Ms. Céline Lacommère for her friendliness and her dedication. All this, added to the gorgeous location and the sunny weather, certainly contributed in the enjoyment of IRaP2016. We would like to acknowledge the institutions, organizations and companies that supported the IRaP 2016: IAEA, IIA (International Irradiation Association), CEA, Andra, CNRS, Université de Caen, Caen la Mer and Ionisos. Thanks to the support of the IAEA and IIA, eight young scientists, selected on the basis of their scientific work, have been granted to attend the IRaP2016 conference. Finally, we would like to address special thanks to the companies who funded an exhibition booth: AERIAL, NIST, Steris and Thermo Scientific.

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hal-02507111 , version 1 (12-03-2020)

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Ngono-Ravache Yvette, Clochard Marie-Claude, Ferry Muriel. Editorial (IRaP 2016 Proceedings). Radiation Physics and Chemistry, 2018, 142, pp.1. ⟨10.1016/j.radphyschem.2017.10.010⟩. ⟨hal-02507111⟩
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