Research Article

Enhancement of the Antibacterial Activity of Silver Nanoparticles against Phytopathogenic Bacterium Ralstonia solanacearum by Stabilization

Table 1

The minimum inhibitory concentration and minimum bactericidal concentration of pure surfactants, , and AgNPs with and without surfactants toward R. solanacearum.

DispersionsMIC, mg/L (%)MBC, mg/L (%)

SDS0.125%0.5%
SDBS0.0625%0.125%
TX-1002%4%
Tween 808%>16%
1.24 mg/L2.48 mg/L
+ SDS1.24 (0.2 × 10−3%)2.48 (0.39 × 10−2%)
+ SDBS1.24 (0.2 × 10−3%)2.48 (0.39 × 10−2%)
+ TX-1001.24 (0.2 × 10−2%)2.48 (0.39 × 10−2%)
+ Tween 801.24 (0.2 × 10−3%)2.48 (0.39 × 10−2%)
AgNPs4.88 mg/L19.5 mg/L
AgNPs + SDBS1.22 (1.56 × 10−2%)4.88 (6.25 × 10−2%)
AgNPs + SDS1.22 (1.56 × 10−2%)4.88 (6.25 × 10−2%)
AgNPs + TX-1004.88 (6.25 × 10−2%)19.5 (0.25%)
AgNPs + Tween 800.61 (0.78 × 10−2%)1.22 (1.56 × 10−2%)

Notice that the results were repeated at least in triplicate.