Bending stiffness of biological membranes: What can be measured by neutron spin echo?

Mell M, Moleiro LH, Hertle Y, Fouquet P, Schweins R, Lopez-Montero I, Hellweg T, Monroy F (2013)
The European Physical Journal E 36(7).

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Abstract
Large vesicles obtained by the extrusion method represent adequate membrane models to probe membrane dynamics with neutron radiation. Particularly, the shape fluctuations around the spherical average topology can be recorded by neutron spin echo (NSE). In this paper we report on the applicable theories describing the scattering contributions from bending-dominated shape fluctuations in diluted vesicle dispersions, with a focus on the relative relevance of the master translational mode with respect to the internal fluctuations. Different vesicle systems, including bilayer and non-bilayer membranes, have been scrutinized. We describe the practical ranges where the exact theory of bending fluctuations is applicable to obtain the values of the bending modulus from experiments, and we discuss about the possible internal modes that could be alternatively contributing to shape fluctuations.
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Mell M, Moleiro LH, Hertle Y, et al. Bending stiffness of biological membranes: What can be measured by neutron spin echo? The European Physical Journal E. 2013;36(7).
Mell, M., Moleiro, L. H., Hertle, Y., Fouquet, P., Schweins, R., Lopez-Montero, I., Hellweg, T., et al. (2013). Bending stiffness of biological membranes: What can be measured by neutron spin echo? The European Physical Journal E, 36(7).
Mell, M., Moleiro, L. H., Hertle, Y., Fouquet, P., Schweins, R., Lopez-Montero, I., Hellweg, T., and Monroy, F. (2013). Bending stiffness of biological membranes: What can be measured by neutron spin echo? The European Physical Journal E 36.
Mell, M., et al., 2013. Bending stiffness of biological membranes: What can be measured by neutron spin echo? The European Physical Journal E, 36(7).
M. Mell, et al., “Bending stiffness of biological membranes: What can be measured by neutron spin echo?”, The European Physical Journal E, vol. 36, 2013.
Mell, M., Moleiro, L.H., Hertle, Y., Fouquet, P., Schweins, R., Lopez-Montero, I., Hellweg, T., Monroy, F.: Bending stiffness of biological membranes: What can be measured by neutron spin echo? The European Physical Journal E. 36, (2013).
Mell, Michael, Moleiro, Lara H., Hertle, Yvonne, Fouquet, Peter, Schweins, Ralf, Lopez-Montero, Ivan, Hellweg, Thomas, and Monroy, Francisco. “Bending stiffness of biological membranes: What can be measured by neutron spin echo?”. The European Physical Journal E 36.7 (2013).
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2 Citations in Europe PMC

Data provided by Europe PubMed Central.

Fluctuation dynamics of bilayer vesicles with intermonolayer sliding: experiment and theory.
Mell M, Moleiro LH, Hertle Y, Lopez-Montero I, Cao FJ, Fouquet P, Hellweg T, Monroy F., Chem. Phys. Lipids 185(), 2015
PMID: 25455136
Editorial on the topical issue "neutron biological physics".
Fragneto G, Gabel F., Eur Phys J E Soft Matter 36(7), 2013
PMID: 23893263

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