High temperature flow-through device for rapid solubilization and analysis
First Claim
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1. A device for lysing biological material, comprising:
- an inner conduit for transporting the biological material,the inner conduit having an entrance and an exit,the inner conduit being characterized as a capillary tube or a microchannel; and
a heater situated exterior to the inner conduit capable of heating the biological material to at least about 125°
C. while the biological material is transported within said inner conduit.
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Abstract
Devices and methods for thermally lysing of biological material, for example vegetative bacterial cells and bacterial spores, are provided. Hot solution methods for solubilizing bacterial spores are described. Systems for direct analysis are disclosed including thermal lysers coupled to sample preparation stations. Integrated systems capable of performing sample lysis, labeling and protein fingerprint analysis of biological material, for example, vegetative bacterial cells, bacterial spores and viruses are provided.
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Citations
20 Claims
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1. A device for lysing biological material, comprising:
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an inner conduit for transporting the biological material, the inner conduit having an entrance and an exit, the inner conduit being characterized as a capillary tube or a microchannel; and a heater situated exterior to the inner conduit capable of heating the biological material to at least about 125°
C. while the biological material is transported within said inner conduit. - View Dependent Claims (2, 3, 4, 5)
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6. A micro-total analysis system, comprising:
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an analytical device, and a system for delivering biological material to the analytical device, comprising; a biological material source; a thermal lyser comprising an entrance and an exit, the entrance being in fluid communication with the biological material source, the thermal lyser capable of heating the biological material to at least about 100°
C. while the biological material is transported within the thermal lyser;a dye source in fluid communication with the exit of the thermal lyser; a buffer source in fluid communication with the exit of the thermal lyser; and an exit capable of being in fluid communication with the analytical device. - View Dependent Claims (7)
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8. A method of preparing a biological sample for analysis, comprising:
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flowing a biological sample fluid comprising biological material and a solvent through a conduit; heating the biological sample fluid as it flows through said conduit to greater than 100°
C. at a pressure greater than 1 atmosphere;lysing at least a portion of the biological material; and labeling at least a portion of the lysed biological material with a dye. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. A method of analyzing a biological sample, comprising:
flowing a biological sample fluid comprising a biological material and a solvent at a pressure greater than 1 atmosphere; heating the biological sample fluid to greater than 100°
C. as it flows;lysing at least a portion of the biological material to release biomolecules; labeling at least a portion of the biomolecules with a dye; and measuring the molecular distribution of the labeled biomolecules. - View Dependent Claims (17, 18, 19, 20)
Specification