Dressings
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Skin-applied microneedle patches are already used to painlessly deliver medication and detect chemicals in a patient's bloodstream. A new one, however, reportedly stops wounds from bleeding much more effectively than traditional bandages.
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Chronic diabetic skin wounds are notoriously slow to heal, sometimes becoming so infected that amputations are required. A newly identified polymer could help keep that from happening, by radically boosting the healing process.
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Getting a bandage to stick to your skin can sometimes be difficult, particularly if that skin is wet. This isn't a problem with an experimental new wound dressing however, which uses ultrasound-induced microbubbles to better bond with the skin.
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Chronic skin ulcers are notoriously slow to heal, but an otherwise-wasted material may soon help change that. Scientists at Singapore's Nanyang Technological University have developed a new regenerative wound dressing, and it's made from frog skin.
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Scientists at Brown University have developed a new material that can release drugs only when pathogenic bacteria are around. When used as a bandage, the hydrogel could deliver medication on-demand when infection begins to take hold.
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Although silver is highly effective at killing bacteria, it can also be toxic to humans in large amounts. That's where a new wound dressing is intended to come in, as it only releases its silver payload when infections are present.
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When removing the dressing to check on a chronic wound, you ironically often set back the healing process. A new type of "smart bandage" was designed with this problem in mind, as it transmits wound data to an app on a clinician's mobile device.
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If you're trying to make a wound dressing that will be well-tolerated by the human body, you may be best off using human-derived materials. That's the approach that German researchers have taken, creating a tropoelastin-based bandage.
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Chronic wounds can be very difficult to treat, potentially leading to amputations or even death due to associated infections. A new dressing, however, may be able to heal such wounds while remaining much less expensive than other materials.
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New weapons against so-called “superbugs” are desperately needed. A new black phosphorus coating quickly kills bacteria and fungi, then dissolves within 24 hours – and best of all, bacteria can’t evolve resistance against this mode of attack.
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With a few experimental exceptions, bandages generally just cover wounds, as opposed to actively healing them. That's not the case with a new heat-activated "active adhesive dressing" (AAD), however, which forgoes antibiotics while mimicking embryonic skin.
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An incredible study has demonstrated the potential of a wound dressing that can fight bacterial infections using a weak electrical field. Offering a novel way to battle antibiotic-resistant infections, the dressing has been approved by the FDA and is currently being tested in human burn patients.
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