Journal
ANALYTICAL AND BIOANALYTICAL CHEMISTRY
Volume 405, Issue 2-3, Pages 467-480Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00216-012-6033-4
Keywords
Rapid methods; Food analysis; Immunogold colloidal immunoassay
Funding
- Italian Ministry for Universities (PRIN) [Prot. n.2007AWK85F_002]
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Natural toxin (for example mycotoxin and phycotoxin) contamination of food is of safety and economic concern, so much effort is devoted to the development of screening methods which enable the toxins to be continuously and widely monitored in food and feed. More generally speaking, rapid and non-instrumental assays for detection of a variety of food contaminants are generating ever-increasing scientific and technological interest because they enable high-throughput, economical, on-site monitoring of such contaminants. Among rapid methods for first-level screening of food contaminants, lateral-flow immunoassay (LFIA), also named immunochromatographic assay or immune-gold colloid immunoassay, has recently attracted scientific and industrial interest because of its attractive property of enabling very rapid, one-step, in-situ analysis. This review focuses on new aspects of the development and optimization of lateral-flow devices for mycotoxin and phycotoxin detection, including strategies for management of matrix interference and, particularly, for investigation of the improvements achieved by signal-enhancing strategies or by application of non-gold nanoparticle signal reporters.
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