Journal of Nanomaterials / 2015 / Article / Fig 5

Research Article

Colorimetric Detection System for Salmonella typhimurium Based on Peroxidase-Like Activity of Magnetic Nanoparticles with DNA Aptamers

Figure 5

UV-vis absorption spectra (a) and bar graph at 650 nm (b) obtained from solutions containing different concentrations of MNPs with DNA aptamers. The insets in (b) represent images of the well plates for the different cases, with or without DNA aptamers.

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