Journal of Nanomaterials / 2015 / Article / Tab 2

Research Article

The Effect of Charge at the Surface of Silver Nanoparticles on Antimicrobial Activity against Gram-Positive and Gram-Negative Bacteria: A Preliminary Study

Table 2

Previous published reports regarding the antibacterial activity of AgNPs with different characteristics against our test organisms.

StudiesPhysical properties of AgNPsBacteriaMIC (m/L)

Kim et al. 2007 [24]13.4 nm (negatively charged)E. coli 6.6 × 10−9
S. aureus 3.3 × 10−8
Agnihotri et al. 2014 [25]7 nm (negatively charged)E. coli 1.8 to 8.3 × 10−4
S. aureus 6.5 × 10−4
Hernndez-Sierra et al. 2008 [26]25 nm (charge not determined)S. mutans 4.5 × 10−5
Lara et al. 2010 [27]100 nm (charge not determined)S. pyogenes 6.3 × 10−2
Chudasama et al. 2010 [28]8.2 nm (charge not determined)P. vulgaris 2.5 × 10−3