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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0032657 (2001-12-28) |
등록번호 | US-9709559 (2017-07-18) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 1 인용 특허 : 463 |
The present invention provides a method for the generation of novel libraries of encoded magnetic particles from sub-libraries of by the generation of novel sub-libraries of magnetic nanoparticles and encoded particles. The sub-libraries are functionalized on demand are useful in the formation of ar
The present invention provides a method for the generation of novel libraries of encoded magnetic particles from sub-libraries of by the generation of novel sub-libraries of magnetic nanoparticles and encoded particles. The sub-libraries are functionalized on demand are useful in the formation of arrays. The present invention is especially useful for performing multiplexed (parallel) assays for qualitative and/or quantitative analysis of binding interactions of a number of analyte molecules in a sample.
1. A method of multiplex analysis of analytes in a solution, comprising: providing a plurality of magnetically polarizable microparticles of two or more types wherein different types bear an optically distinguishable signature, and the different types display different capture moieties on their surf
1. A method of multiplex analysis of analytes in a solution, comprising: providing a plurality of magnetically polarizable microparticles of two or more types wherein different types bear an optically distinguishable signature, and the different types display different capture moieties on their surfaces capable of binding to different analytes;suspending the microparticles in a first solution containing, or suspected to contain, analytes of interest, under conditions permitting the capture of analytes by the capture moieties, and wherein an optical signal is generated following such capture;using a magnetic field to assemble the microparticles in a planar array on a designated section of a substrate, where said magnetic field is generated by coils or magnets, and is uniformly distributed over the surface of the substrate, and wherein the spacing between particles within the array is varied by varying the strength of the magnetic field; andimaging the optically distinguishable signatures associated with the microparticles and the optical signals, and correlating the optical signals with microparticles having particular optically distinguishable signatures to determine which analytes are bound by which capture moieties. 2. The method of claim 1 wherein the optical signals arise as a result of the binding of an analyte by a capture moiety. 3. The method of claim 2 wherein the optical signal indicates the transformation of the capture moiety mediated by the binding of the analyte. 4. The method of claim 1 wherein the first solution is removed and replaced with a second solution prior to imaging the optically distinguishable signatures associated with the microparticles and the optical signals. 5. The method of claim 1 wherein array assembly is initiated at a preselected time by actuating a magnetic field.
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