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|Title: ||Antimicrobial action and efficiency of silver-loaded zeolite X|
|Authors: ||Kwakye-Awuah, Bright|
silver-loaded zeolite X
|Issue Date: ||2007|
|Publisher: ||Blackwell Publishing Ltd|
|Citation: ||B. Kwakye-Awuah et al, Antimicrobial action and efficiency of silver-loaded zeolite X, doi:10.1111/j.1365-2672.2007.03673.x|
|Abstract: ||Aims: To synthesize silver-loaded zeolite X and establish the extent to which it
persist in its antimicrobial action against strains of Escherichia coli K12W-T,
Pseudomonas aeruginosa NCIMB8295 and Staphylococcus aureus NCIMB6571.
Methods and Results: The antimicrobial action and efficacy of silver-loaded
zeolite X on Escherichia coli, Staphylococcus aureus and Pseudomonas aeruginosa
were investigated. Zeolite X was synthesized and loaded with Ag+ by ion
exchange. This resulted in 2Æ0% (w⁄w) loading of Ag+ in the zeolite framework
and 5Æ8% (w⁄w) on the zeolite. Escherichia coli and Pseudomonas aeruginosa
and Staphylococcus aureus suspended in tryptone soya broth were exposed to
0Æ15, 0Æ25, 0Æ5 or 1Æ0gl)1 of silver-loaded zeolite X for a period up to 24 h.
No viable cells were detected for any of the three micro-organisms within 1 h.
Silver-loaded zeolite X, retrieved three times from the first exposure cultures,
was washed with de-ionized water and added to fresh bacterial suspensions.
The results showed that the silver-loaded zeolite X retained its antimicrobial
Conclusions: Silver-loaded zeolite X persisted in its antimicrobial action against
all three micro-organisms.
Significance and Impact of the study: The results are significant for the longevity
of antimicrobial action of silver-loaded zeolite X.|
|Description: ||An article published by Blackwell Publishing Ltd and also available at doi:10.1111/j.1365-2672.2007.03673.x|
|Appears in Collections:||College of Science|
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