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Vital Signs

Vital Signs

Health

3D maps reveal the bacteria and chemicals lurking on skin

Updated 6:32 AM EDT, Thu April 9, 2015
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The bacteria and chemicals found on human skin have been sampled and mapped across the body in a series of 3-D images. Pictured, an artistic representation depicts how the location and intensity of molecules are mapped and visualized.
The bacteria and chemicals found on human skin have been sampled and mapped across the body in a series of 3-D images. Pictured, an artistic representation depicts how the location and intensity of molecules are mapped and visualized.
Courtesy Theodore Alexandrov
Health and beauty products, such as sunscreen and shampoo, were searched for and mapped to identify how their use may spread across the body. As expected, larger traces of shampoo were found on the head but also located around the body, three days after being used.
Health and beauty products, such as sunscreen and shampoo, were searched for and mapped to identify how their use may spread across the body. As expected, larger traces of shampoo were found on the head but also located around the body, three days after being used.
Courtesy Theodore Alexandrov
The feet were the largest home to staphylococcus bacteria. These routinely live on the skin or in the nose healthy people and generally cause no problems. But they can cause serious infections if the bacteria enter your bloodstream, joints, bones, lungs or heart.
The feet were the largest home to staphylococcus bacteria. These routinely live on the skin or in the nose healthy people and generally cause no problems. But they can cause serious infections if the bacteria enter your bloodstream, joints, bones, lungs or heart.
Courtesy Amina Bouslimani
Propionibacteria are part of the normal skin ecosystem but can occasionally cause infections including acne. As expected, they were found living on the face and upper back region of the body.
Propionibacteria are part of the normal skin ecosystem but can occasionally cause infections including acne. As expected, they were found living on the face and upper back region of the body.
Courtesy Amina Bouslimani
Specific chemicals known to be used in certain beauty products were searched for to visualize how they may spread across the body. Sodium Laureth Sulfate (SLES) is a molecule found in many personal care products, such as soaps, shampoos and toothpaste, and was concentrated around the hair, from the use of shampoo.
Specific chemicals known to be used in certain beauty products were searched for to visualize how they may spread across the body. Sodium Laureth Sulfate (SLES) is a molecule found in many personal care products, such as soaps, shampoos and toothpaste, and was concentrated around the hair, from the use of shampoo.
CourtesyTheodore Alexandrov
To create the 3-D maps, swabs were taken from 400 regions of the skin on two human volunteers who hadn't washed, shampooed or moisturized for three days. The resulting maps show the unique composition of skin.
To create the 3-D maps, swabs were taken from 400 regions of the skin on two human volunteers who hadn't washed, shampooed or moisturized for three days. The resulting maps show the unique composition of skin.
Courtesy UCSD
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