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Fig. 4 | Journal of Nanobiotechnology

Fig. 4

From: Development of gold nanoparticles biosensor for ultrasensitive diagnosis of foot and mouth disease virus

Fig. 4

The zeta potential of the naked AuNPs and AuNPs-FMDV biosensor: curve a illustrates a peak of zeta potential distribution representing surface charges (− 38.9 m V) of naked AuNPs. Curve b illustrates a peak of zeta potential distribution representing slight decrease in AuNPs surface charge (from − 38.9 to − 18.3 m V) due to the conjugation process and forming of AuNPs-FMDV biosensor (b)

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