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Tattooing and the art of sensing within the skin

The art of tattooing may have found a diagnostic twist. A team of scientists in Germany have developed permanent dermal sensors that can be applied as artistic tattoos. A colorimetric analytic formulation was injected into the skin instead of tattoo ink. The pigmented skin areas varied their color when blood pH or other health indicators changed.

Cracks in the skin of eczema patients promote allergic diseases

Many babies with eczema go on to develop food allergies, asthma and hay fever, and researchers say it's not a coincidence. The cracks caused by eczema weaken the skin barrier, allowing allergens to penetrate the skin and cause a sequence of allergic diseases, what experts call the 'atopic march.'

Loose RNA molecules rejuvenate skin

Want to smooth out your wrinkles, erase scars and sunspots, and look years younger? Millions of Americans a year turn to lasers and prescription drugs to rejuvenate their skin, but exactly how that rejuvenation works has never been fully explained. Now, researchers have discovered that laser treatments and the drug retinoic acid share a common molecular pathway.

Raising eyebrows on neuroinflammation: Study finds novel role for 'skin plumping' molecule

Scientists have discovered a novel mechanism and role in the brain for hyaluronic acid -- a clear, gooey substance popularized by cosmetic and skin care products. Hyaluronic acid may be the key in how an immune signal moves from the blood stream to the brain, activating the brain's resident immune cells, the microglia. Findings from this study have important implications for better treatments for stroke, neurodegenerative diseases, as well as head injuries.

Collagen effective in wound closure

Researchers found that collagen powder is just as effective in managing skin biopsy wounds as primary closure with non-absorbable sutures.