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Coussot, Gaelle; Le Postollec, Aurelie; Incerti, Sebastien; Baque, Mickael; Faye, Clement; Vandenabeele Trambouze, Odile; Cottin, Herve; Ravelet, Corinne; Peyrin, Eric; Fiore, Emmanuelle; Vigier, Flavie; Caron, Jerome; Chaput, Didier; Przybyla, Bartos; Berger, Thomas; Dobrijevic, Michel. |
Some microarray-based instruments that use bioaffinity receptors such as antibodies or aptamers are under development to detect signatures of past or present life on planetary bodies. Studying the resistance of such instruments against space constraints and cosmic rays in particular is a prerequisite. We used several ground-based facilities to study the resistance of aptamers to various types of particles (protons, electrons, neutrons, and carbon ions) at different energies and fluences. We also tested the resistance of aptamers during the EXPOSE-R2 mission outside the International Space Station (ISS). The accumulated dose measured after the 588 days of this mission (220 mGy) corresponds to the accumulated dose that can be expected during a mission to... |
Tipo: Text |
Palavras-chave: Astrobiology; Cosmic rays; Biochip; Aptamers. |
Ano: 2019 |
URL: https://archimer.ifremer.fr/doc/00601/71306/69723.pdf |
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