This special issue brings together a number of original research papers focused on recent developments in biological membrane and membrane model studies by a variety of state-of-the-art biophysical methods. Neutron scattering is especially well represented. Our knowledge of biological macromolecules and their interactions is based on the application of physical methods, ranging from classical thermodynamics to recently developed techniques for the detection and manipulation of single molecules. The role of neutron diffraction and spectroscopy techniques in improving this knowledge has been outstanding and the potential for future developments is remarkable. Many challenges remain for neutron techniques to answer the questions raised by molecular and cellullar biology. The following pages give a flavour of the progress in the field.
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