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An ultrasensitive, simple, and fast lateral flow immunoassay for Salmonella detection using gold nanoparticles conjugated with a DNA probe, which is complementary to the 16S ribosomal RNA and DNA of Salmonella, has been developed. The detection limit is 5fmol for the synthetic single-stranded DNA. For the Salmonella cultured samples, the nucleic acids from 10 7 bacteria were rapidly detected...
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