Journal Article 2 bipyramids 7440-57-5 1 Gold 1 Macromolecular Substances 1 Research Support, Non-U.S. Gov't 1 Research Support, U.S. Gov't, Non-P.H.S. 1 mehr ... SAXS 1 TEM 1 colloids 1 density gradient centrifugation 1 form factors 1 gold nanoparticles 1 localized surface plasmon resonance 1 refractive index sensing 1 rhombic dodecahedra 1 small-angle X-ray scattering 1 transmission electron microscopy 1 weniger ...