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FAQ:
Q: What is phosphorus?
A: Have a question? Ask ODS This is a fact sheet intended for health professionals. For a reader-friendly overview of Phosphorus, see our consumer fact sheet on Phosphorus. Phosphorus, an essential mineral, is naturally present in many foods and available as a dietary supplement. Phosphorus is a component of bones, teeth, DNA, and RNA [ 1 ].
Q: What are phosphates in your urine?
A: In your body, it’s found in the form of phosphates. They’re made when phosphorous combines with something else, like oxygen. Your kidneys filter extra phosphates from your blood, and they go out of your body in your urine. If something’s wrong with your kidneys, your pee might have too many phosphates in it.
Q: What are phosphors made of?
A: Phosphors are often supplied in the form of fine powders consisting of crystallites with a suitably controlled range of particle sizes. Semiconductors in LEDs and laser diodes, for example, are generally not called phosphors, although they also exhibit luminescence.
Q: What is the role of the phosphor layer?
A: The phosphor layer is often deposited on a fiber-optic plate or fiber-optic taper, transferring and possibly transforming the image, either for direct viewing or for recording with an image sensor . The material is chosen for a high luminous efficacy (for direct viewing) or for achieving a maximum sensitivity with the image sensor.