Systems and methods for processing and analyzing samples are disclosed. The system may process samples, such as biological fluids, using assay cartridges which can be processed at different processing locations. In some cases, the system can be used for PCR processing. The different processing locat
Systems and methods for processing and analyzing samples are disclosed. The system may process samples, such as biological fluids, using assay cartridges which can be processed at different processing locations. In some cases, the system can be used for PCR processing. The different processing locations may include a preparation location where samples can be prepared and an analysis location where samples can be analyzed. To assist with the preparation of samples, the system may also include a number of processing stations which may include processing lanes. During the analysis of samples, in some cases, thermal cycler modules and an appropriate optical detection system can be used to detect the presence or absence of certain nucleic acid sequences in the samples. The system can be used to accurately and rapidly process samples.
대표청구항▼
1. A reaction vessel for real time PCR comprising: a radially symmetrical reaction vessel base comprising a closed bottom end; anda plug comprising a handling feature, the handling feature configured to receive a pipette mandrel, and comprising an essentially cylindrical enclosure, the handling feat
1. A reaction vessel for real time PCR comprising: a radially symmetrical reaction vessel base comprising a closed bottom end; anda plug comprising a handling feature, the handling feature configured to receive a pipette mandrel, and comprising an essentially cylindrical enclosure, the handling feature further comprising: an inner surface;an outer surface; anda longitudinal groove in a direction corresponding with the axial direction in which the plug receives the pipette mandrel;wherein the reaction vessel base comprises an upper cylindrical portion comprising a latching feature that projects centrally towards the center of the reaction vessel base and engages the plug on insertion where the latching feature contracts centrally on seating of the plug in the reaction vessel, the latching feature irreversibly securing the plug to the radially symmetrical reaction vessel base. 2. The reaction vessel of claim 1, wherein a lower portion of the reaction vessel base has opposing walls that form an angle between about 1 degree and about 10 degrees. 3. The reaction vessel of claim 1, wherein a lower portion of the reaction vessel base has a volume of about 10 μL to about 70 μL. 4. The reaction vessel of claim 1, wherein the reaction vessel base comprises the upper cylindrical portion that receives the plug and a lower portion, and wherein the lower portion opens into the upper cylindrical portion and comprises a frustum of a conical shape. 5. The reaction vessel of claim 1, comprising a material having: a thermal conductivity greater than about 0.1 W/(m*K);a Young's modulus of about 1.5 GPa to about 2 GPa; anda frictional coefficient of less than about 0.25. 6. The reaction vessel of claim 1, wherein the reaction vessel base comprises polypropylene. 7. The reaction vessel of claim 1, wherein the reaction vessel base comprises the upper cylindrical portion that has a wall thickness of about 0.010 inches to about 0.05 inches. 8. The reaction vessel of claim 1, wherein the reaction vessel base comprises a lower portion, wherein the lower portion of the reaction vessel base has a wall thickness of about 0.0005 inches to about 0.02 inches. 9. The reaction vessel of claim 1, wherein the plug comprises an elastomer. 10. The reaction vessel of claim 1, wherein the plug comprises a conductive polymer. 11. The reaction vessel of claim 1, wherein the plug forms a seal that is resistant to a pressure of at least about 50 psi when the plug is engaged in the upper cylindrical portion of the reaction vessel base. 12. The reaction vessel of claim 1, wherein the latching feature of the upper cylindrical portion comprises a plurality of flexible locking tabs, wherein the flexible locking tabs project downwards and centrally, displace outwards on initial insertion of the plug, and engage the plug on moving centrally. 13. The reaction vessel of claim 1, wherein the latching feature of the upper cylindrical portion comprises a circumferential ridge, wherein the circumferential ridge projects centrally, and wherein the upper cylindrical portion of the reaction vessel expands radially on initial insertion of the plug, and engages the plug on radial contraction of the upper cylindrical portion of the reaction vessel. 14. The reaction vessel of claim 1, wherein the latching feature of the upper cylindrical portion comprises a plurality of arcuate ridges, the arcuate ridges projecting centrally, and the upper cylindrical portion of the reaction vessel expanding radially on initial insertion of the plug, the arcuate ridges engaging the plug on radial contraction of the upper cylindrical portion of the reaction vessel. 15. The reaction vessel of claim 1, wherein the plug comprises a block of elastomer. 16. The reaction vessel of claim 1, wherein the inner surface of the cylindrical enclosure comprises a plurality of projections and wherein the projections are hemispherical. 17. The reaction vessel of claim 2, wherein the reaction vessel base is transparent or translucent. 18. The reaction vessel of claim 17, wherein the reaction vessel base comprises a polymer. 19. The reaction vessel of claim 1, wherein the closed bottom end comprises a flat surface. 20. The reaction vessel of claim 1, further comprising an amplification mixture within the reaction vessel base. 21. The reaction vessel of claim 1, wherein the handling feature has an inner diameter of about 0.125 to about 0.4 inches. 22. The reaction vessel of claim 1, wherein the closed bottom end comprises a curved surface.
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