Thermal reaction device and method for using the same
First Claim
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1. A microfluidic device for reacting M number of different samples with N number of different reagents comprising:
- a plurality of reaction cells, each reaction cell comprising a sample chamber and a reagent chamber, said sample chamber and said reagent chamber being in fluid communication through an interface channel having an interface valve associated therewith for controlling fluid communication between said sample chamber and said reagent chamber;
a plurality of sample inlets each in fluid communication with said sample chambers;
a plurality of reagent inlets each in fluid communication with said reagent chambers;
wherein at least one of said chambers contains an oligonucleotide or protein polymer and an intercollating dye.
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Abstract
An M×N matrix microfluidic device for performing a matrix of reactions, the device having a plurality of reaction cells in communication with one of either a sample inlet or a reagent inlet through a via formed within an elastomeric block of the device. Methods provided include a method for forming vias in parallel in an elastomeric layer of an elastomeric block of a microfluidic device, the method comprising using patterned photoresist masks and etching reagents to etch away regions or portions of an elastomeric layer of the elastomeric block.
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Citations
19 Claims
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1. A microfluidic device for reacting M number of different samples with N number of different reagents comprising:
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a plurality of reaction cells, each reaction cell comprising a sample chamber and a reagent chamber, said sample chamber and said reagent chamber being in fluid communication through an interface channel having an interface valve associated therewith for controlling fluid communication between said sample chamber and said reagent chamber;
a plurality of sample inlets each in fluid communication with said sample chambers;
a plurality of reagent inlets each in fluid communication with said reagent chambers;
wherein at least one of said chambers contains an oligonucleotide or protein polymer and an intercollating dye. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A microfluidic device for reacting M number of different samples with N number of different reagents comprising:
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a plurality of reaction cells, each reaction cell comprising a sample chamber and a reagent chamber, said sample chamber and said reagent chamber being in fluid communication through an interface channel having an interface valve associated therewith for controlling fluid communication between said sample chamber and said reagent chamber;
a plurality of sample inlets each in fluid communication with said sample chambers;
a plurality of reagent inlets each in fluid communication with said reagent chambers;
wherein one of said sample inlets or reagent inlets is in fluid communication with one of said sample chambers or one of said reagent chambers, respectively, through a via. - View Dependent Claims (9, 10, 11, 12)
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13. A method for making a feature in an elastomeric block comprising the steps of:
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providing a first elastomeric layer;
applying a photoresist layer upon a surface of said first elastomeric layer;
applying a light pattern to said photoresist layer to form a pattern of reacted photoresist material;
removing unreacted photoresist material leaving said pattern of reacted photoresist upon said surface of said first elastomeric layer;
applying an etching reagent to said first elastomeric surface to etch said surface of said first elastomeric layer not covered by said pattern of reacted photoresist material thereby removing regions of said first elastomeric layer not covered by said pattern of reacted photoresist and leaving a pattern of said elastomeric layer corresponding to said pattern of reacted photoresist material. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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Specification