Biofilm

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biofilm development stages

by the WoundSource Editors

Advancements in molecular microbiology, microscopy technology, and techniques for study of bacteria have increased the ability to identify the existence of biofilms, but there still remains the unknown, such as differentiating between planktonic bacteria and biofilm.1 Chronic non-healing wounds harbor bacteria across the wound etiology classification.2–4 Malone et al. determined that the prevalence of biofilms in chronic wounds was 78.2% (confidence interval, 61.6–89, P < 0.002).2 The development of biofilms moves through a common pattern: attachment, microcolony formation, maturation, and dispersion. The initial attachment is reversible, but the attachment becomes stronger as cells multiply and change their gene expressions. This cell communication process is referred to as quorum sensing, allowing cells to survive.

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wound biofilm virulence

By the WoundSource Editors

Wound biofilms not only impede healing but also increase the risk of infection. It is essential that wound biofilms be addressed and treated in a prompt, consistent manner. Biofilms have been an ongoing challenge because of the majority of resistant bacteria. Research in antibiofilm technology continues to grow, and it is essential to keep up on the most recent evidenced-based practice literature for improving patients’ outcomes.

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skin microbiome

by the WoundSource Editors

The human skin microbiome is incredibly diverse and can contain up to one billion microorganisms on a single square centimeter, including bacteria, fungi, viruses, and arthropods. These dynamic environments often become more complicated when wounds are present, and the types of microorganisms present near the dead and damaged tissue reduce the ability to eliminate them through normal immune responses and with standard antimicrobials.

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by the WoundSource Editors

Aerobic microorganisms: Organisms thriving in an oxygen-rich environment.

Anaerobic microorganisms: Organisms thriving in an oxygen-depleted environment.

Autolytic debridement: A selective process by which endogenous phagocytic cells and proteolytic enzymes break down necrotic tissue, occurring in varying degrees in the presence of a moist wound healing environment and dependent on the patient's having a functioning immune system.

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Industry News's picture

by Industry News

Pennington, NJ – March, 7 2018 – Dermalink Technologies Inc. (Dermalink) is pleased to announce the development of the first of its novel biofilm-disrupting products for the U.S. wound care market. The core ingredient, Lauroyl Arginine Ethylester (LAE), has been available in Europe for several years, where it has rapidly established itself as a proven anti-biofilm agent in the food and dental markets.

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