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US researchers develop next-generation antimicrobial technology

By Liz White, UT staffGainesville, Florida-Quick-Med Technologies Inc. says it has worked with the University of Florida at Gainesville to developed a new generation of the Company’s Nimbus antimicrobial technology. This makes Nimbus “significantly more cost-effective and valuable in medical applications” said the firm. Nimbus is a powerful microbicidal agent that can be permanently bonded to materials such as polyurethane, as well as to cotton and cotton blends. These materials form advanced wound dressings, fabrics or other medical or consumer products, said a Quick-Med statement. As well as reducing production cost, Quick-Med said the new material is “highly effective against key strains of bacteria that have become resistant to antibiotics commonly used to treat infections.” The group adds that the new technology has been designed “to sharply reduce the possibility that any bacteria could develop resistance to the treated articles.” Using the new approach, the QMT/UF research team, led by Dr William Toreki III, senior polymer chemist for Quick-Med Technologies, has developed advanced wound dressings that kill bacteria and do not allow the active microbicide to detach and enter the wound. Clinical tests of the new material in wound dressing are planned at Shands Hospital at the University of Florida for later this year, said the firm. “Controlling moisture and staving off infection are two of the most important aspects of wound healing,” commented Dr Jeffrey Davidson, president of the Wound Healing Society and Vanderbilt University Professor of Pathology, in Quick-Med’s statement. The military sector is potential market for the dressings. “Clothing material that kills athlete’s foot fungi could help soldiers in the field who often don’t have time to change clothing or shower. Battle field wound dressings are another significant opportunity,” added Maj Gen George Friel (Ret), vice president of chemical & biological affairs at Quick-Med Technologies.”

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