Xiao, Qian Enzyme-antibody dual-film modified gold nanoparticle probe for ultrasensitive detection of alpha fetoprotein. [electronic resource] - Biologicals : journal of the International Association of Biological Standardization May 2017 - 46-51 p. digital Publication Type: Journal Article ISSN: 1095-8320 Standard No.: 10.1016/j.biologicals.2017.02.008 doi Subjects--Topical Terms: Antibodies, Monoclonal, Murine-Derived--chemistryEnzyme-Linked Immunosorbent Assay--methodsGold--chemistryHorseradish Peroxidase--chemistryHumansMetal Nanoparticles--chemistryalpha-Fetoproteins--analysis