Compositions and methods for antimicrobial metal nanoparticles
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United States of America Patent
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Jan 5, 2016
Grant Date -
Nov 29, 2012
app pub date -
Jun 20, 2012
filing date -
May 24, 2011
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Abstract
Embodiments of the invention are directed to a composition having antimicrobial activity comprising particles comprising at least one inorganic copper salt; and at least one functionalizing agent in contact with the particles, the functionalizing agent stabilizing the particle in a carrier such that an antimicrobially effective amount of ions are released into the environment of a microbe. The average size of the particles ranges from about 1000 nm to about 4 nm. Preferred copper salts include copper iodide, copper bromide and copper chloride. Preferred functionalizing agents include amino acids, thiols, hydrophilic polymers emulsions of hydrophobic polymers and surfactants.
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