Journal of Nanomaterials / 2015 / Article / Fig 1

Research Article

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

Figure 1

TEM images and XRD data of MNPs. Scale bars are 50 nm (a) and 20 nm (b). XRD patterns (c) indicate that the synthesized MNPs were Fe3O4 based on JCPDF data.

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