https://www.selleckchem.com/pr....oducts/gf109203x.htm
ed diets sorted their feed in favor of starter and against hay, which mirrored dietary selection exhibited by calves offered hay and starter separately.Effective testing tools for Escherichia coli O157H7 can prevent outbreaks of foodborne illness. In this paper, a smartphone-based colorimetric aptasensor was developed using functionalized gold nanoparticles (GNP) and multi-walled carbon nanotubes (MWCNT) for monitoring E. coli O157H7 in milk. The maximum absorption peak of GNP bonded with aptamer (Apt) generated evident transformation