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Home > Press > Wash Your Mouth Out With Silver: Published in Letters in Applied Microbiology

Abstract:
Published in Letters in Applied Microbiology

Yeasts which cause hard-to-treat mouth infections are killed using silver nanoparticles in the laboratory, scientists have found. These yeast infections, caused by Candida albicans and Candida glabrata target the young, old and immuno-compromised. Professor Mariana Henriques, University of Minho, and her colleagues hope to test silver nanoparticles in mouthwash and dentures as a potential preventative measure against these infections.

Wash Your Mouth Out With Silver: Published in Letters in Applied Microbiology

UK | Posted on March 7th, 2012

Professor Henriques and her team, who published their research in the Society for Applied Microbiology's journal 'Letters in Applied Microbiology' today, looked at the use of different sizes of silver nanoparticles to determine their anti-fungal properties against Candida albicans and Candida glabrata. These two yeasts cause infections including oral thrush and dental stomatitis, a painful infection affecting around seven out of ten denture wearers1. Infections like these are particularly difficult to treat because the microorganisms involved form biofilms2.

The scientists used artificial biofilms in conditions which mimic those of saliva as closely as possible. They then added different sizes and concentrations of silver nanoparticles and found that different sizes of nanoparticles were equally effective at killing the yeasts. Due to the diversity of the sizes of nanoparticles demonstrating anti-fungal properties the researchers hope this will enable the nanoparticles to be used in many different applications.

Some researchers have expressed concerns around the safety of nanoparticle use but the authors stress this research is at an early stage and extensive safety trials will be carried out before any product reaches the market.

Professor Henriques comments: With the emergence of Candida infections which are frequently resistant to the traditional antifungal therapies, there is an increasing need for alternative approaches. So, silver nanoparticles appear to be a new potential strategy to combat these infections. As the nanoparticles are relatively stable in liquid medium they could be developed into a mouthwash solution in the near future.

Moving forward Professor Henriques hopes to integrate silver nanoparticles into dentures which could prevent infections from taking hold.

Full bibliographic informationAl Groosh. D, Roudsari. G, Moles. D, Ready. D, Noar. J, Pratten. J, "The prevalence of opportunistic pathogens associated with intraoral implants", Letters in Applied Microbiology, Wiley-Blackwell, March 2011, DOI: 10.1111/j.1472-765X.2011.03031.x

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About Wiley-Blackwell
Wiley-Blackwell is the international scientific, technical, medical, and scholarly publishing business of John Wiley & Sons, with strengths in every major academic and professional field and partnerships with many of the world's leading societies. Wiley-Blackwell publishes nearly 1,500 peer-reviewed journals and 1,500+ new books annually in print and online, as well as databases, major reference works and laboratory protocols. For more information, please visit www.wileyblackwell.com or our new online platform, Wiley Online Library (www.wileyonlinelibrary.com ), one of the world's most extensive multidisciplinary collections of online resources, covering life, health, social and physical sciences, and humanities.

Letters in Applied Microbiology is published by Wiley-Blackwell with the Society for Applied Microbiology. The journal provides for the rapid publication of short, high quality papers in the broad field of applied microbiology, including environmental, food, agricultural, medical, pharmaceutical, veterinary, taxonomy, soil, systematics, water and biodeterioration. Advances in rapid methodology are a particular feature.

About the Society for Applied Microbiology (SfAM)

SfAM is the voice of Applied Microbiology within the UK. We are the oldest UK microbiology society with members worldwide. SfAM works in partnership with sister organisations and microbiological bodies to ensure that microbiology and microbiologists are able to exert influence on policy-makers within the UK, in Europe and worldwide. The quality of the microbiologists of the future depends on the standard of education offered, and the Society plays a leading role in working with many different organisations to educate, inform and support the training of our future microbiologists.

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