Table 2: Agar diffusion test for treated and washed cotton fabrics [4].

SamplesZone of inhibition*
S.  aureus E.  coli P.  aeruginosa

ControlNilNilNil
Silver nanopowder treated
 Without washing384137
 After 5 washes374035
 After 10 washes374035
 After 20 washes353835

Diameter of the control sample is 20 mm.