[특허]Reactive nanoparticles as destructive adsorbents for biological and chemical contamination

Reactive nanoparticles as destructive adsorbents for biological and chemical contamination 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A62D-003/00
출원번호	US-0549991 (2000-04-14)
발명자 / 주소	Olga Koper Kenneth J. Klabunde John S. Klabunde
출원인 / 주소	Nanoscale Materials, Inc.
대리인 / 주소	Hovey Williams LLP
인용정보	피인용 횟수 : 52 인용 특허 : 12

초록 ▼

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.

대표청구항 ▼

1. A method of sorbing a toxin comprising the steps of:(a) providing a quantity of a composite comprising metal oxide particles with a number of atoms different from those making up the metal oxide particles stabilized on the surfaces thereof, said atoms being selected from the group consisting of halogens and Group I metals and being present at a level of at least about 2 atoms per square nanometer of metal oxide surface area; and (b) contacting said composite with a toxin under conditions for sorbing at least a portion of said toxin.

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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

내보내기 구분	파일저장 인쇄 메일전송
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연합인증

Reactive nanoparticles as destructive adsorbents for biological and chemical contamination 원문보기

초록 ▼

대표청구항 ▼

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연합인증

Reactive nanoparticles as destructive adsorbents for biological and chemical contamination 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허에 인용된 특허 (12)

이 특허를 인용한 특허 (52)

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