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The use of light therapy dates back to ancient civilizations, going as far back as the ancient Egyptians and Indians, who used sunlight (heliotherapy) for healing and promoting health. The therapeutic use of light energy was more fully appreciated in the late 19th century when a Danish physician-scientist, Niels Ryberg Finsen, demonstrated the benefits of red and blue light in the treatment of lupus vulgaris and was recognized with the 1903 Nobel Prize in Medicine and Physiology. In 1960, the L.A.S.E.R. (Light Amplification by Stimulated Emission of Radiation) by Theodore Maiman was invented, based on theoretical work by Albert Einstein in 1917. Read More
Investigators at the James A. Haley Veterans’ Hospital in Tampa, Florida, are testing an innovative computer-based system designed to more accurately measure bedsores, also known as pressure ulcers. Accurate measurement of the wound, followed by optimal treatment, is key to preventing it from worsening. People with spinal cord injuries are at high risk for developing pressure ulcers due to immobility, a lack of sensation, moisture, and other risk factors. Pressure ulcers are painful injuries to the skin and underlying tissue resulting from prolonged pressure on the skin. They most often develop on skin that covers bony areas of the body, such as the heels, ankles, hips, and tailbone, and they can appear due to a lack of blood flow. They can also lead to the premature death of cells in living tissue. Read More
Scientists at the University of Bristol have invented a new technology that could lead to the development of a new generation of smart surgical glues and dressings for chronic wounds. The new method, pioneered by Dr Adam Perriman and colleagues, involves re-engineering the membranes of stem cells to effectively "weld" the cells together. Cell membrane re-engineering is emerging as a powerful tool for the development of next generation cell therapies, as it allows scientists to provide additional functions in the therapeutic cells, such as homing, adhesion or hypoxia (low oxygen) resistance. At the moment, there are few examples where the cell membrane is re-engineered to display active enzymes that drive extracellular matrix production, which is an essential process in wound healing. Read More
Researchers at Binghamton University, State University of New York, have developed skin-inspired electronics to conform to the skin, allowing for long-term, high-performance, real-time wound monitoring in users."We eventually hope that these sensors and engineering accomplishments can help advance healthcare applications and provide a better quantitative understanding in disease progression, wound care, general health, fitness monitoring and more," said Matthew Brown, a PhD student at Binghamton University. Biosensors are analytical devices that combine a biological component with a physiochemical detector to observe and analyze a chemical substance and its reaction in the body. Conventional biosensor technology, while a great advancement in the medical field, still has limitations to overcome and improvements to be made to enhance their functionality. Read More