Photonic crystals are periodic optical structures that can control the flow of light. Multiple reflections from surfaces separated by a distance similar to the wavelength prevent an optical beam ...

Beta-hydroxybutyrate infusion (Table 1) in 4 subjects lowered the ratio of the clearance of urate to inulin that correlated with the degree of ketonemia. In 1 subject (P.P.) the clearing of the ...

A type of arthritis caused when uric acid crystals get lodged in joints, causing extreme inflammation and pain Kidney stones: Most specifically a type called a urate stone caused by the accumulation ...