The aim of this study was to evaluate the adsorption of some hospital airborne microorganisms, e.g.
Staphylococcus aureus
,
Streptococcos pyogenes
,
Pseudomonas aeruginosa
, and
Candida albicans
by some inorganic nanoparticles. First, each microbial suspension (2 × 10
4 and 2 × 10
6 CFU/mL) was separately added to adsorbent columns (1 and 2 g), containing CaSO
4, CaCO
3, and FeSO
4 nanoparticles. Then, the colony count reduction was measured for each adsorbent column. This study showed that all nanoparticles could adsorb all kinds of microorganisms. Importantly, the combination of CaSO
4 and CaCO
3 nanoparticles led to better adsorption property. Moreover, it was found that the adsorption was related to adsorbent weight and microbial density. The authors suggest that these adsorbent columns are good choice to remove hospital airborne microorganisms.
