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Table 2 Antimicrobial activity of sulfur nanoparticles

From: Sulfur Nanoparticles Synthesis and Characterization from H2S Gas, Using Novel Biodegradable Iron Chelates in W/O Microemulsion

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. areuginosa NCIM 2036

(i) 30

Nil

7.3

(ii) 150

8.7

25

S. areus NCIM 2079

(i) 30

Nil

7.7

(ii) 150

Nil

30

Yeast

C. albicans NCIM 3102

(i) 30

Nil

8.3

(ii) 150

7.1

10

C. albicans NCIM 3466

(i) 30

Nil

8.3

(ii) 150

7.3

11

Fungi

A. spergillus flavus NCIM 535

(i) 1,500

Nil

14

(ii) 3,000

Nil

22.5

A. niger NCIM 545

(i) 1,500

Nil

Growth retardationb

(ii) 3,000

Nil

Growth retardationb

  1. aAverage particle size
  2. bFormation of spores was observed to be delayed by about 48 h

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