Cover Picture: Ann. Phys. 11/2012 Annalen der Physik 524
Biocompatible, gold nanoparticle functionalized calcium carbonate particles are shown to serve as effective label-free Raman biosensors. Biologically relevant molecules – glucose and bovine serum albumin – have been detected using these new approach. Picture: A. M. Yashchenok et al., pp. 723, in this issue.
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