Brownian motion of optically anisotropic spherical particles in polymeric suspensions M. J. Sánchez-Miranda, E. Sarmiento-Gómez and J. L. Arauz-Lara Eur. Phys. J. E, 38 1 (2015) 3 Published online: 28 January 2015 DOI: 10.1140/epje/i2015-15003-x