Thermo-controllable chips for multiplex analyses
First Claim
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1. A chip for varying and/or maintaining temperature of a reaction sample comprising:
- an array of thermo-controllable units, said array being in thermal contact with a heating element, wherein the varying and/or maintaining of temperature is achieved by controlling the heating element alone, and wherein individual unit within the array comprises a micro well for receiving and confining the reaction sample, said well being sealed when filled with the reaction sample.
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Abstract
The present invention provides miniaturized instruments for conducting chemical reactions where control of the reaction temperature is desired or required. Specifically, this invention provides chips and optical systems for performing and monitoring temperature-dependent chemical reactions. The apparatus and methods embodied in the present invention are particularly useful for high-throughput and low-cost amplification of nucleic acids.
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Citations
20 Claims
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1. A chip for varying and/or maintaining temperature of a reaction sample comprising:
- an array of thermo-controllable units, said array being in thermal contact with a heating element, wherein the varying and/or maintaining of temperature is achieved by controlling the heating element alone, and wherein individual unit within the array comprises a micro well for receiving and confining the reaction sample, said well being sealed when filled with the reaction sample.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. An apparatus for conducting a chemical reaction requiring cycling at least two temperature levels, comprising:
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(a) a chip for cycling at least two temperature levels, said array comprising;
an array of thermo-controllable units, said array being in thermal contact with a heating element, wherein the varying and/or maintaining of temperature is achieved by controlling the heating element alone, and wherein individual unit within the array comprises a micro well for receiving and confining a reaction sample, said well being sealed upon filling the reaction sample;
(b) an optical system operatively coupled to the chip of (a), wherein the optical system detects an optical signal coming from the micro well. - View Dependent Claims (13, 14, 15, 16)
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17. A method of conducting a chemical reaction that involves a plurality of reaction samples and requires cycling at least two temperature levels, comprising:
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(a) providing a chip comprising;
an array of thermo-controllable units, said array being in thermal contact with a heating element, wherein the cycling of at least two temperature levels is achieved by controlling the heating element alone, and wherein individual unit within the array comprises a micro well for receiving and confining a reaction sample, said micro well being sealed when filled with the reaction sample;
(b) placing the plurality of reaction samples into the thermo-controllable units; and
(c) controlling the heating element to effect cycling at least two temperature levels. - View Dependent Claims (18, 19, 20)
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Specification