IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0041630
(2008-03-03)
|
등록번호 |
US-7691602
(2010-05-20)
|
발명자
/ 주소 |
- Hanson, William P.
- Dyer, Maureen A.
- Hetrick, Robert E.
- Oberholtzer, Jennifer A.
- Young, David E.
|
출원인 / 주소 |
- Hanson Technologies, Inc.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
12 |
초록
▼
The present invention is directed to methods and systems for rapidly identifying microorganisms such as bacteria, viruses, fungi and the like that may be present in an agricultural specimen. The methods of the present invention provide a process for rapidly and accurately identifying infectious or p
The present invention is directed to methods and systems for rapidly identifying microorganisms such as bacteria, viruses, fungi and the like that may be present in an agricultural specimen. The methods of the present invention provide a process for rapidly and accurately identifying infectious or pathogenic microorganisms without the need for culturing. In addition, the methods of the present invention provide processes for assaying harvested agricultural crops for the presence of statistically significant quantities of microorganisms.
대표청구항
▼
The invention claimed is: 1. A method of concentrating and analyzing microorganisms in an agricultural specimen potentially contaminated by such microorganisms comprising the steps of collecting an agricultural specimen comprising a quantity of vegetation that is suspected of containing microorgani
The invention claimed is: 1. A method of concentrating and analyzing microorganisms in an agricultural specimen potentially contaminated by such microorganisms comprising the steps of collecting an agricultural specimen comprising a quantity of vegetation that is suspected of containing microorganisms, wherein said quantity is a statistically significant sample of a harvested crop; filtering said agricultural specimen to thereby produce a filtered specimen, wherein said filtering step preferentially removes interfering materials that are not microorganisms; concentrating said filtered specimen to thereby produce a concentrated specimen, wherein said concentrating step enriches the quantity of microorganisms in said specimen by at least ten-fold; and thereafter analyzing said concentrated specimen for the presence or quantity of said microorganisms. 2. The method of claim 1, wherein said specimen is aqueous. 3. The method of claim 1, wherein said specimen is a waste or wash liquid from a water-based vegetation washing process. 4. The method of claim 1, wherein said specimen comprises an aqueous suspension of macerated or ground vegetation in water. 5. The method of claim 1, wherein said quantity of vegetation is at least one kilogram of vegetation per hectare of harvested crop. 6. The method of claim 1, wherein said quantity of vegetation is at least one kilogram. 7. The method of claim 1, wherein said quantity of vegetation is at least twenty kilograms. 8. The method of claim 1, wherein said harvested crop is selected from the group consisting of sugar cane, maize, wheat, rice, potatoes, sugar beet, soybean, barley, tomato, spinach, lettuce, broccoli, cauliflower, beans, fruits, nuts, tobacco, mushrooms, alfalfa, oats, millet, rye, sorghum, canola, cottonseed, flaxseed, mustard seed, peanuts, rapeseed, safflower, sunflower, cotton, lentils, peas, coffee, hops, sweet potatoes, and taro. 9. The method of claim 1, wherein the concentration of microorganisms in said concentrated specimen is at least 1000-fold greater than the concentration of microorganisms in said agricultural specimen. 10. The method of claim 1, wherein said microorganisms are associated with an animal or human disease. 11. The method of claim 1, wherein said microorganisms comprise one or more microorganisms selected from the group of microorganisms as set forth in the Appendix attached hereto. 12. The method of claim 1, wherein said microorganisms are intact, lysed, ground or otherwise fragmented. 13. The method of claim 1, wherein said concentrating step is selected from the group consisting of nano-pore filtering, ultrafiltration, magnetic bead concentration, centrifugation, tangential filtering, hollow fiber concentration, ceramic filtering, membrane module filtering, and electric field concentration. 14. The method of claim 1, wherein said method comprises two or more concentrating steps, which may be the same or different. 15. The method of claim 1, wherein said method comprises two or more concentrating steps, which may be the same or different. 16. The method of claim 1, wherein said method is essentially free of a culturing step. 17. A method of concentrating and analyzing microorganisms in an agricultural specimen potentially contaminated by such microorganisms comprising the steps of collecting an agricultural specimen comprising a quantity of vegetation that is suspected of containing a microorganism, wherein said quantity is at least one kilogram of a crop per harvested hectare; washing said agricultural specimen with an aqueous solution comprising a detergent to thereby produce a wash specimen; filtering said wash specimen to thereby produce a filtered specimen, wherein said filtering step preferentially removes interfering materials that are not microorganisms, and said filtering step comprises passing said wash specimen through a first filter, and thereafter passing said wash specimen through a second filter, wherein the pore size of said first filter is larger than the pore size of said second filter, and the pore size of said second filter is larger than the average size of said microorganism; concentrating said filtered specimen to thereby produce a concentrated specimen, wherein said concentrating step enriches the quantity of microorganisms in said specimen by at least ten-fold; and thereafter analyzing said concentrated specimen for the presence or quantity of said microorganisms.
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