System for fluorescence monitoring
DCFirst Claim
1. A device for performing PCR and monitoring the reaction of a sample comprising a nucleic acid and a fluorescent dye comprising:
- a reaction vessel with the sample therein, wherein the sample further comprises a polymerase and a pair of primers configured for amplifying a locus of the nucleic acid,a heat exchange component for heating and cooling the sample,a control device programmed for repeatedly operating the heat exchange component to subject the sample to thermal cycling to generate an amplification product,an excitation source for optically exciting the sample to cause the sample to fluoresce,a photodetector for detecting temperature-dependent fluorescence levels from the sample, anda processor programmed to generate a melting curve of the amplification product contained within the reaction vessel during or subsequent to amplification.
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Abstract
The present invention is directed to devices for performing PCR and monitoring the reaction of a sample comprising a nucleic acid and a fluorescent dye. Illustrative devices comprise a heat exchange component for heating and cooling the sample, a control device for repeatedly operating the heat exchange component to subject the sample to thermal cycling, an excitation source for optically exciting the sample to cause the sample to fluoresce, a photodetector for detecting temperature-dependent fluorescence levels from the sample, and a processor configured to record and process emissions from the fluorescent dye.
102 Citations
14 Claims
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1. A device for performing PCR and monitoring the reaction of a sample comprising a nucleic acid and a fluorescent dye comprising:
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a reaction vessel with the sample therein, wherein the sample further comprises a polymerase and a pair of primers configured for amplifying a locus of the nucleic acid, a heat exchange component for heating and cooling the sample, a control device programmed for repeatedly operating the heat exchange component to subject the sample to thermal cycling to generate an amplification product, an excitation source for optically exciting the sample to cause the sample to fluoresce, a photodetector for detecting temperature-dependent fluorescence levels from the sample, and a processor programmed to generate a melting curve of the amplification product contained within the reaction vessel during or subsequent to amplification. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 13)
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11. A device for performing PCR and monitoring the reaction of a sample comprising a nucleic acid and a double-stranded nucleic acid binding dye comprising:
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a heat exchange component for heating and cooling the sample, a control device programmed for repeatedly operating the heat exchange component to subject the sample to thermal cycling, an excitation source for optically exciting the sample to cause the sample to fluoresce, a photodetector for detecting temperature-dependent fluorescence levels from the sample, a processor programmed to generate a melting curve during or subsequent to amplification, and further comprising a reaction vessel with the sample therein, wherein the sample further comprises a polymerase and a pair of primers configured for amplifying a locus of the nucleic acid. - View Dependent Claims (12)
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14. A device for performing PCR and monitoring the reaction of a sample comprising a nucleic acid and a fluorescent dye comprising:
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a reaction vessel with the sample therein, wherein the sample further comprises a polymerase and a pair of primers configured for amplifying a locus of the nucleic acid, a heat exchange component for heating and cooling the sample, a control device programmed for repeatedly operating the heat exchange component to subject the sample to thermal cycling to generate an amplification product, an excitation source for optically exciting the sample to cause the sample to fluoresce, a photodetector for detecting temperature-dependent fluorescence levels from the sample, a processor programmed to generate a melting curve of the amplification product contained within the reaction vessel during or subsequent to amplification; and wherein the sample further comprises at least one nucleic acid probe labeled with the fluorescent dye.
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Specification