Cover art: Analytical Chemistry

Schematic representation of magnetically assisted surface enhanced Raman spectroscopy (MA-SERS) determination of immunoglobulins (IgG) using magnetite nanoparticles (brown) with attached silver nanoclusters (yellow). The helix represents streptavidin molecule acting as a linker for antigen immobilization.  Image created by Iva Hrubošová.

Analytical Chemistry, Vol. 86, Iss. 22. 2014.