Direct observation of the tube model in F-actin solutions: Tube dimensions and curvaturesM. Romanowska, H. Hinsch, N. Kirchgeßner, M. Giesen, M. Degawa, B. Hoffmann, E. Frey and R. MerkelEPL, 86 2 (2009) 26003DOI: https://doi.org/10.1209/0295-5075/86/26003