Oscillatory characteristics of metallic nanoparticles inside lipid nanotubes Fatemeh Sadeghi, Reza Ansari and Mansour Darvizeh Eur. Phys. J. D, 69 12 (2015) 285 Published online: 18 December 2015 DOI: 10.1140/epjd/e2015-60412-1