Int. J. Mol. Sci. 2010, 11(8), 2864-2874; doi:10.3390/ijms11082864
Article

In Vitro Evaluation of the Antimicrobial Effectiveness and Moisture Binding Properties of Wound Dressings

1 Department of Pharmacy Practice, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand 2 Burn Unit, Trauma Division, Department of Surgery, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok 10700, Thailand 3 Department of Pharmaceutical Technology and Drug Delivery System Excellence Center, Faculty of Pharmaceutical Sciences, Prince of Songkla University, Hat Yai, Songkla 90110, Thailand
* Author to whom correspondence should be addressed.
Received: 17 June 2010; in revised form: 21 July 2010 / Accepted: 22 July 2010 / Published: 3 August 2010
(This article belongs to the Section Material Sciences and Nanotechnology)
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Abstract: A variety of silver-coated dressings and some impregnated with other chemicals are now available in the market; however, there have been few studies analyzing their comparative efficacies as antimicrobial agents. Moreover, their properties for retaining an appropriate level of moisture that is critical for effective wound healing have never been reported. Five commercially available silver-containing and chlorhexidine dressings, Urgotul SSD®, Bactigras®, Acticoat®, Askina Calgitrol Ag® and Aquacel Ag®, were tested to determine their comparative antimicrobial effectiveness in vitro against five common wound pathogens, namely methicillin-sensitive and -resistant Staphylococcus aureus, Bacillus subtilis, Escherichia coli and Pseudomonas aeruginosa. Mepitel®, a flexible polyamide net coated with soft silicone, was used as a control. The zones of inhibition and both the rapidity and the extent of killing of these pathogens were evaluated. All five antimicrobial dressings investigated exerted some bactericidal activity, particularly against E. coli. The spectrum and rapidity of action ranged widely for the different dressings. Acticoat® had a broad spectrum of action against both Gram-positive and -negative bacteria. Other dressings demonstrated a narrower range of bactericidal activities. Regarding the absorption and release of moisture, Askina Calgitrol Ag® absorbed and released the most moisture from the environment. Aquacel Ag® also exhibited good moisture absorption and moisture release, but to a lower degree. The other tested dressings absorbed or released very little moisture. Askina Calgitrol Ag® and Aquacel Ag® are good alternative dressings for treating wounds with high exudates and pus. An understanding of the characteristics of these dressings will be useful for utilizing them for specific requirements under specified conditions.
Keywords: antimicrobial; moisture absorption; wound dressing

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MDPI and ACS Style

Aramwit, P.; Muangman, P.; Namviriyachote, N.; Srichana, T. In Vitro Evaluation of the Antimicrobial Effectiveness and Moisture Binding Properties of Wound Dressings. Int. J. Mol. Sci. 2010, 11, 2864-2874.

AMA Style

Aramwit P, Muangman P, Namviriyachote N, Srichana T. In Vitro Evaluation of the Antimicrobial Effectiveness and Moisture Binding Properties of Wound Dressings. International Journal of Molecular Sciences. 2010; 11(8):2864-2874.

Chicago/Turabian Style

Aramwit, Pornanong; Muangman, Pornprom; Namviriyachote, Nantaporn; Srichana, Teerapol. 2010. "In Vitro Evaluation of the Antimicrobial Effectiveness and Moisture Binding Properties of Wound Dressings." Int. J. Mol. Sci. 11, no. 8: 2864-2874.

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