Journal of Nanomaterials / 2015 / Article / Fig 4

Research Article

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

Figure 4

Absorption of DNA aptamers onto the MNPs confirmed by zeta potential (a) and relative fluorescence units (RFU) using FAM-aptamers (b).

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