EPJ Web of Conferences
Volume 83, 2015QENS/WINS 2014 - 11th International Conference on Quasielastic Neutron Scattering and 6th International Workshop on Inelastic Neutron Spectrometers
|Number of page(s)||5|
|Published online||23 January 2015|
Proton dynamics in bacterial spores, a neutron scattering investigation
1 AgroSup Dijon-Université de Bourgogne, UMR PAM ,1 esplanade Erasme, 21000 Dijon, France
2 Institut Laue-Langevin, 71 avenue des Martyrs, CS 20156, 38042 Grenoble Cedex 9, France
3 Univ. Grenoble Alpes, IBS, 38044 Grenoble, France
4 CNR-IOM, OGG, 71 avenue des Martyrs, CS 20156, 38042 Grenoble Cedex 9, France
Published online: 23 January 2015
Results from first neutron scattering experiments on bacterial spores are reported. The elastic intensities and mean square displacements have a non-linear behaviour as function of temperature, which is in agreement with a model presenting more pronounced variations at around 330 K (57 ∘C) and 400 K (127 ∘C). Based on the available literature on thermal properties of bacterial spores, mainly referring to differential scanning calorimetry, they are suggested to be associated to main endothermic transitions induced by coat and/or core bacterial response to heat treatment.
© Owned by the authors, published by EDP Sciences, 2015
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