[특허]Coliform detection process and kit for use therein

Coliform detection process and kit for use therein 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	C12Q-001/04
출원번호	US-0142455 (2009-12-29)
등록번호	US-8741595 (2014-06-03)
국제출원번호	PCT/US2009/069629 (2009-12-29)
§371/§102 date	20110628 (20110628)
국제공개번호	WO2010/078284 (2010-07-08)
발명자 / 주소	Kshirsagar, Manjiri T.
출원인 / 주소	3M Innovative Properties Company
대리인 / 주소	Pishko, Adrian L.
인용정보	피인용 횟수 : 0 인용 특허 : 45

초록 ▼

A process comprises (a) providing (1) at least one sample suspected of comprising at least one coliform strain, (2) at least one culture device comprising at least one culture medium that is hydrated or hydratable, and (3) at least one particulate concentration agent that is substantially optically transparent when in contact with the culture medium in the culture device when the culture medium is hydrated; (b) placing the particulate concentration agent in contact with the sample such that at least a portion of the coliform strain is bound to the particulate concentration agent to form coliform-bound particulate concentration agent; (c) placing the coliform-bound particulate concentration agent in contact with the culture medium; (d) incubating the culture device comprising the coliform-bound particulate concentration agent in contact with the culture medium, the culture medium being hydrated; and (e) optically detecting the presence of the coliform strain without separating the coliform strain from the particulate concentration agent.

대표청구항 ▼

1. A process for detecting the presence of at least one coliform strain comprising (a) providing at least one sample suspected of comprising at least one coliform strain;(b) providing at least one culture device comprising at least one culture medium that is hydrated or hydratable;(c) providing at least one particulate concentration agent that is substantially optically transparent when in contact with said culture medium in said culture device when said culture medium is hydrated, wherein said particulate concentration agent is amorphous, spheroidized magnesium silicate;(d) placing said particulate concentration agent in contact with said sample such that at least a portion of said coliform strain is bound to or captured by said particulate concentration agent to form coliform-bound particulate concentration agent;(e) placing said coliform-bound particulate concentration agent in contact with said culture medium of said culture device;(f) incubating said culture device comprising said coliform-bound particulate concentration agent in contact with said culture medium, said culture medium being hydrated; and(g) optically detecting the presence of said coliform strain without separating said coliform strain from said particulate concentration agent. 2. The process of claim 1, wherein said sample is in the form of a fluid. 3. The process of claim 1, wherein said sample is a water sample. 4. The process of claim 1, wherein said coliform strain is a gas-producing coliform strain. 5. The process of claim 1, wherein said coliform strain is Escherichia coli. 6. The process of claim 1, wherein said culture medium comprises at least one fermentable nutrient. 7. The process of claim 1, wherein said culture device is a flat film culture device comprising culture medium that comprises at least one fermentable nutrient. 8. The process of claim 1, wherein said particulate concentration agent captures or binds at least about 60 percent of the microorganisms present in said sample, relative to a corresponding control sample without said particulate concentration agent. 9. The process of claim 1, wherein said placing in contact with said sample is carried out by mixing said particulate concentration agent and said sample. 10. The process of claim 1, wherein said process further comprises segregating said coliform-bound particulate concentration agent and/or separating the resulting segregated particulate concentration agent from said sample. 11. The process of claim 1, wherein said process further comprises identifying and/or enumerating said coliform strain. 12. The process of claim 1, wherein said optically detecting comprises detecting at least one color change. 13. The process of claim 1, wherein said optically detecting is effected by an automated optical detection system. 14. A process for detecting the presence of Escherichia coli comprising (a) providing at least one water sample suspected of comprising Escherichia coli; (b) providing at least one flat film culture device comprising at least one culture medium that is hydrated or hydratable and that comprises at least one fermentable nutrient;(c) providing at least one particulate concentration agent that is substantially optically transparent when in contact with said culture medium in said flat film culture device when said culture medium is hydrated, said particulate concentration agent comprising amorphous, spheroidized magnesium silicate;(d) placing said particulate concentration agent in contact with said water sample such that at least a portion of said Escherichia coli is bound to or captured by said particulate concentration agent to form Escherichia coli-bound particulate concentration agent;(e) placing said Escherichia coli-bound particulate concentration agent in contact with said culture medium of said flat film culture device;(f) incubating said flat film culture device comprising said Escherichia coli-bound particulate concentration agent in contact with said culture medium, said culture medium being hydrated; and(g) optically detecting the presence of said Escherichia coli without separating said Escherichia coli from said particulate concentration agent, said optically detecting comprising detecting at least one color change and the presence of at least one gas bubble proximate at least one Escherichia coli colony by digital optical imaging using an automated optical detection system comprising at least one scanner.

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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

Coliform detection process and kit for use therein 원문보기

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Coliform detection process and kit for use therein 원문보기

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