“Blue light penetrates about a millimeter into skin, where it’s absorbed by molecules called porphyrins that are present in acne-causing bacteria,” says Dr. Shamban. “Once inside these ...

“Blue light penetrates about a millimeter into skin, where it’s absorbed by molecules called porphyrins that are present in acne-causing bacteria,” says Dr. Shamban. “Once inside these porphyrins, the ...

Scientists develop a highly efficient material that transforms light and moisture into precise mechanical movements and ...

The new light treatment is recommended for teenagers or adults who have mild to moderate acne with spots and pustules, but no scarring. Clearlight works by targeting porphyrins, light sensitive ...

Expanded porphyrins and their metal complexes are ... Photothermal Conversion: The process of converting light energy into heat, which can be utilized in various applications, including cancer ...

THE grave of a “vampire” whose body was decapitated to stop it rising from the dead has been discovered in a medieval fortress. More than 180 burials have been found at Račeša, a suspected ...

long wavelength light (>630 nm) is used to reach deep tissue (up to ∼10 mm). Photosensitizers satisfying this requirement usually have aromatic rings with a high degree of π electron dislocation in ...

Pigments are molecules that selectively absorb light and can either be naturally produced by the ... 2004); tetrapyrroles, such as the red-brown porphyrins in some deep sea scyphomedusae (Herring, ...

Listen to more stories on the Noa app. God said, “Let there be light”—everyone knows that. But God did not specify what color light, and this would eventually prove problematic. In the age ...