Device and method for multiple analyte detection
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C12M-001/34
C12M-003/00
출원번호
US-0651321
(2007-01-09)
등록번호
US-8163538
(2012-04-24)
발명자
/ 주소
Woudenberg, Timothy
Albin, Michael
Kowallis, Reid B.
Raysberg, Yefim
Ragusa, Robert P.
Winn-Deen, Emily S.
출원인 / 주소
Applied Biosystems, LLC
인용정보
피인용 횟수 :
3인용 특허 :
61
초록▼
The invention is directed to a method and device for simultaneously testing a sample for the presence, absence, and/or amounts of one or more a plurality of selected analytes. The invention includes, in one aspect, a device for detecting or quantitating a plurality of different analytes in a liquid
The invention is directed to a method and device for simultaneously testing a sample for the presence, absence, and/or amounts of one or more a plurality of selected analytes. The invention includes, in one aspect, a device for detecting or quantitating a plurality of different analytes in a liquid sample. The device includes a substrate which defines a sample-distribution network having (i) a sample inlet, (ii) one or more detection chambers, and (iii) channel means providing a dead-end fluid connection between each of the chambers and the inlet. Each chamber may include an analyte-specific reagent effective to react with a selected analyte that may be present in the sample, and detection means for detecting the signal. Also disclosed are methods utilizing the device.
대표청구항▼
1. A method for analyzing a fluid sample, the method comprising: filling with the fluid sample a substrate comprising a sample-distribution network having (i) a sample inlet, (ii) two or more detection chambers, and (iii) a channel providing fluid connections between each of said two or more detecti
1. A method for analyzing a fluid sample, the method comprising: filling with the fluid sample a substrate comprising a sample-distribution network having (i) a sample inlet, (ii) two or more detection chambers, and (iii) a channel providing fluid connections between each of said two or more detection chambers and said inlet, wherein at least two of said two or more detection chambers each contains detection reagents comprising a different selected-sequence polynucleotide pre-loaded therein, and each selected-sequence polynucleotide is effective to selectively bind to a respective target polynucleotide, the filling comprising filling the fluid sample into the two or more detection chambers until all of the two or more detection chambers are filled with the fluid sample and the filling is stopped;after all of the two or more detection chambers are filled with the fluid sample and the filling is stopped, then isolating the two or more detection chambers from one another such that the fluid sample is prevented from flowing from one of the detection chambers to another of the detection chambers;reacting the fluid sample with the detection reagents in the two or more detection chambers;producing detection signals in the two or more detection chambers; anddetecting the detection signals produced in the two or more detection chambers. 2. The method of claim 1, wherein the fluid connections comprise dead-end fluid connections. 3. The method of claim 1, wherein the filling with the fluid sample comprises filling a first detection chamber with the fluid sample and then flowing the fluid sample through the channel without disturbing the contents of the first detection chamber. 4. The method of claim 3, wherein the fluid connections comprise dead-end fluid connections and the producing detection signals comprises avoiding producing erroneous signals in the two or more detection chambers. 5. The method of claim 1, wherein the isolating comprises clearing the channel of the fluid sample after the filling with the fluid sample. 6. The method of claim 1, further comprising removing the fluid sample from the channel after the filling with the fluid sample. 7. The method of claim 6, wherein the substrate comprises a port in fluid communication with the channel and the removing comprises removing the fluid sample through the port. 8. The method of claim 1, wherein the producing detection signals comprises producing optical detection signals. 9. The method of claim 1, wherein the producing detection signals comprises producing fluorescent optical signals. 10. The method of claim 9, wherein the detection reagents comprise fluorescent detection reagents. 11. The method of claim 1, wherein the substrate comprises one or more layers comprising a heat-conducting metal material, and the reacting comprises heating the detection chambers. 12. The method of claim 11, wherein the one or more layers comprising a heat-conducting metal material comprises a heat-conducting metal coated with a plastic polymer. 13. The method of claim 1, wherein the substrate comprises at least one optically transparent window, the detecting the detection signals comprises detecting optical signals, and the detecting the optical signals comprises detecting through the at least one optically transparent window. 14. The method of claim 13, wherein the at least one optically transparent window comprises an optically transparent window for each detection chamber. 15. The method of claim 13, wherein the detecting comprises measuring wavelengths of interest and the at least one optically transparent window comprises an optically transparent material having low fluorescence emission at the wavelengths of interest and exhibiting minimal light absorption for the wavelengths of interest. 16. The method of claim 1, wherein the substrate comprises at least one optically transparent window, the detecting comprises detecting through the at least one optically transparent window, and the at least one optically transparent window comprises an optically transparent plastic layer. 17. The method of claim 1, wherein the detecting comprises detecting with a non-optical sensor. 18. The method of claim 1, wherein the reacting, the producing, and the detecting occur in the detection chambers after the isolating, and wherein after the isolating, fluid sample is prevented from flowing from one of the detection chambers to another of the detection chambers. 19. The method of claim 1, wherein the filling comprises dividing the fluid sample into sample portions each contained within respective sample chambers, and wherein the reacting, the producing, and the detecting occur in one of the sample chambers for a respective sample portion.
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