Table 2

Antimicrobial activity of sulfur nanoparticles
Type of micro-organism Microbial strain (μg/mL) Zone of inhibition (mm)
Sulfur synthesized in aqueous system (80–100 nm)a Sulfur nanoparticles (5–15 nm)a
Bacteria P. areuginosaNCIM 2036
(i) 30 Nil 7.3
(ii) 150 8.7 25
S. areusNCIM 2079
(i) 30 Nil 7.7
(ii) 150 Nil 30
Yeast C. albicansNCIM 3102
(i) 30 Nil 8.3
(ii) 150 7.1 10
C. albicansNCIM 3466
(i) 30 Nil 8.3
(ii) 150 7.3 11
Fungi A. spergillus flavusNCIM 535
(i) 1,500 Nil 14
(ii) 3,000 Nil 22.5
A. nigerNCIM 545
(i) 1,500 Nil Growth retardationb
(ii) 3,000 Nil Growth retardationb

aAverage particle size

bFormation of spores was observed to be delayed by about 48 h

Deshpande et al.

Deshpande et al. Nanoscale Research Letters 2008 3:221-229   doi:10.1007/s11671-008-9140-6

Open Data