Title:
生物汚染および化学汚染の破壊吸着剤に用いる反応性ナノパーティクル(微小粒子)
Document Type and Number:
Japanese Patent JP2004500214
Kind Code:
A
Abstract:
Compositions and methods for destroying biological agents and toxins such as Aflatoxins, Botulinum toxins, and Clostridium perfrigens toxins are provided wherein the substance to be destroyed is contacted with a finely divided metal oxide nanocrystals. In various embodiments, the metal oxide nanocrystals have reactive atoms stabilized on their surfaces, species adsorbed on their surfaces, or are coated with a second metal oxide. The desired metal oxide nanocrystals can be pressed into pellets for use when a powder is not feasible. The methods of the invention are safe for humans, equipment, and the environment, and provide for decontamination of warfare sites, of equipment exposed to the contaminant, and of soil, water and air having been exposed to the contaminant. Preferred metal oxides for the methods include MgO, CaO, TiO2, ZrO2, FeO, V2O5, Mn2O3, Fe2O3, NiO, CuO, Al2O3, ZnO and mixtures thereof. Preferred reactive atoms stabilized on the surfaces of the metal oxide nanocrystals include halogens and Group I metals, and preferred species stabilized on the surfaces of the metal oxide nanocrystals include SO2, NO2 and ozone.
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Inventors:
Koper Olga
Club Nde Kenneth Jay.
Club Nde Kenneth Jay.
Application Number:
JP2001575820A
Publication Date:
January 08, 2004
Filing Date:
February 15, 2001
Export Citation:
Assignee:
Nanoscale Materials INC.
International Classes:
A01N25/00; A01N25/12; A01N59/00; A01N59/06; A01N59/08; A01N59/16; A01N59/20; A61L2/00; A61L2/16; A61L2/23; A62D3/00; A62D3/30; A62D3/34; A62D3/35; A62D3/38; B01D15/00; B01D53/02; B01D53/46; B01D53/70; B01D53/72; B01D53/86; B01J20/04; B01J20/06; B01J20/30; B01J27/25; B32B18/00; B82B1/00; C01F7/02; C01G9/02; C09D1/00; C09K3/00; A61L101/02; A61L101/06; A61L101/10; A62D101/02; A62D101/20; A62D101/22; A62D101/26; A62D101/28; A61K; (IPC1-7): A62D3/00; A01N25/12; A01N59/06; A01N59/08; A01N59/16; A01N59/20; A61L2/16; B01D15/00; B01J20/04; B01J20/06; C09K3/00
Foreign References:
| US5914436A | 1999-06-22 | |||
| US5990373A | 1999-11-23 | |||
| WO2000020073A2 | 2000-04-13 |
Attorney, Agent or Firm:
Nozomi Watanabe
Haruko Sanwa
Haruko Sanwa