A novel colorimetric immunosensor based on platinum colloid nanoparticles immobilized on PowerVision as signal probes and Fe3 O4 @β-cyclodextrin as capture probes for ractopamine detection in pork.

Yangying SunTian FuShuxian ChenZhen WuYuxing GuoDao-Dong PanNing Gan

Published in: Journal of the science of food and agriculture (2019)

We designed a novel sandwich-type noncompetitive colorimetric immunoassay for the detection of trace levels of RAC in pork. The proposed method can also be used for the detection of toxins in food products via PtNPs-PV amplification. © 2018 Society of Chemical Industry.

Keyphrases

label free
sensitive detection
loop mediated isothermal amplification
living cells
gold nanoparticles
real time pcr
small molecule
hydrogen peroxide
fluorescent probe
nucleic acid
single molecule
fluorescence imaging
risk assessment