- Indirect competitive immunoassay for detection of aflatoxin B(1) in corn and nut products using the array biosensor. Sapsford, K.E., Taitt, C.R., Fertig, S., Moore, M.H., Lassman, M.E., Maragos, C.M., Shriver-Lake, L.C. Biosensors & bioelectronics. (2006)