| 主权项 |
1. An open-ended conical tube comprising:
i) a nipple portion, wherein the nipple portion is sized to seal with the interior of a 0.5 mL PCR tube, wherein the nipple portion comprises a narrow orifice; ii) a conical portion attached to and in fluid communication with the nipple portion, wherein an outer circumferential surface of the conical portion is perpendicularly attached to a flange having a cylindrical cavity, wherein the cap of the PCR tube fits into the cylindrical cavity in the flange; iii) a cylindrical portion attached to and in fluid communication with the conical portion and having an axis substantially co-linear with an axis of the conical portion, wherein the cylindrical portion comprises a wide orifice and threads on the outer surface abutting the wide orifice to accommodate a cap for the conical tube, wherein the conical tube fits into a centrifuge rotor bucket designed to accommodate 50 mL conical tubes. |
