Previous research has indicated that a substance called nitric oxide, which is released from the endothelial cells, keeps the artery in good condition by stimulating the production of muscle in its wall.

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Peroxynitrite, a reaction product of nitric oxide and superoxide radicals, has been implicated in N-methyl-D-aspartate receptor-mediated excitotoxic damage.

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Aperon helped asthmatic people track a genetic marker called nitric oxide.

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The operators of the plant are also being prosecuted over a leak of concentrated nitric acid on 11 March last year, which injured two employees.

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It was found that nitric oxide was linked to a higher rate of brain haemorrhage in the most premature babies - 2.2 pounds (1, 000 grams) or less.

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Neurophysiologists have recently discovered that Nitric Oxide (NO) plays a vital role in many brain functions, including learning and memory.

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Platinum: As a primarily industrial metal, platinum plays the role of catalyst in the processing of petroleum and chemicals such as nitric acid, fertilizers and synthetic fibers.

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