Fig. 1From: An Ultrasensitive Gold Nanoparticle-based Lateral Flow Test for the Detection of Active Botulinum Neurotoxin Type AThe diagrammatic representation of the as-prepared LFTS. a The sequence of specific substrate peptide and its cleavage site. b The schematic principle of the LFTS based on the endopeptidase activity of BoNT/A (The inset is the diagrammatic drawing of test results, C: control line; T: test line; S: sample pad)Back to article page