Superoxide anion decomposing agent
AssigneeAPT, Inc.
InventorsYusei Miyamoto, Naoki Toshima, Takao Asano
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Abstract
A scavenger of superoxide anion or nitric oxide comprising finepowder of a transition metal such as platinum. The scavenger is preferably provided as an aqueous solution containing transition metal colloid at a ratio of 1 mM or less per 1,000 ml, and can efficiently eliminate excessive superoxide anions or nitric oxide in vivo.
Claims6
A method for eliminating superoxide anion in a mammal, comprising administering to the mammal platinum fine powder having a particle size of 6 nm or less as observed under a microscope which is prepared by metal salt reduction method in the presence of at least one water-soluble polymer comprising one or more of polyvinylpyrrolidone, polyvinyl alcohol, polyacrylic acid, cyclodextrin, amylopectin, and methylcellulose.
Dependencies are inferred from the claim text.