%0 Journal Article %T Single-Molecule Sandwich Immunoassay for Quantification of Alpha-Fetoprotein Based on Evanescent Field-Enhanced Fluorescence Imaging %A Seungah Lee %A Seong Ho Kang %J Journal of Nanomaterials %D 2012 %I Hindawi Publishing Corporation %R 10.1155/2012/582531 %U http://dx.doi.org/10.1155/2012/582531