Preface of papers on XIX Meeting of the italian Society of Pure and Applied Biophysics

This special issue of the European Biophysics Journal contains papers presented as invited lectures or oral contri- butions at the XIX meeting of the Italian Society of Pure and Applied Biophysics, also known as SIBPA. The con- ference was held in Rome, 17-20 September 2008 at the "Sacro Cuore" Catholic University.