Process and apparatus for testing substances for potential carcinogenicity
First Claim
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1. An apparatus for the automatic testing of substances for potential carcinogenicity, comprising:
- at least one micro-well plate, the micro-well plate comprising a plurality of micro-wells including a plurality of substance/salmonella mixtures or substance/salmonella/liver enzymes mixtures therein;
a plate support on which the at least one micro-well plate is placed;
a movable pipetting unit comprising a plurality of pipettes,wherein the pipettes of the plurality of pipettes of the moveable pipetting unit are arranged at an inclination angle relative to a normal to the plane of the plate support,wherein adjacently arranged pipettes of the plurality of pipettes are arranged at inclined opposite angles relative to the normal, andwherein the inclination angle is in the range up to 10°
relative to the normal, and about 7.5°
relative to the normal;
a plurality of containers containing a liquid culture medium, the plurality of containers corresponding to the plurality of pipettes of the pipetting unit;
a dish support on which a plurality of dishes corresponding to the plurality of pipettes is arranged, each dish of the plurality of dishes having a bottom and an upstanding side wall surrounding the bottom as well as a solid culture medium arranged on the bottom of the dish;
a plurality of spinners corresponding to the plurality of dishes arranged on the dish support, the plurality of spinners configured to spin the dishes to generate centrifugal forces;
a plurality of suction cups corresponding to the plurality of dishes arranged on the dish support for placing a lid on each of the dishes so as to close the respective dishes; and
a plurality of laterally arranged belts for transporting the closed dishes to an intermediate storage capable of collecting a plurality of closed dishes so as to forward them to an incubator.
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Abstract
An apparatus (2) for the automatic testing of substances for carcinogenicity comprises: a plate support (3) on which at least one micro-well plate (1) can be placed; a movable pipetting unit (4) comprising a predetermined number of pipettes (40); a number of containers (5) containing a liquid culture medium (50), the number of containers (5) corresponding to the number of pipettes (40) of the pipetting unit (4); a dish support (6) on which a corresponding number of dishes (60) can be placed, each having a bottom and an upstanding side wall (601); a plurality of spinners (63) for spinning the dishes (60); a plurality of suction cups (62) for placing a lid (600) on each of the dishes; and a plurality of laterally arranged belts (64,65) for transporting the closed dishes (60) to an intermediate storage (8).
8 Citations
5 Claims
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1. An apparatus for the automatic testing of substances for potential carcinogenicity, comprising:
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at least one micro-well plate, the micro-well plate comprising a plurality of micro-wells including a plurality of substance/salmonella mixtures or substance/salmonella/liver enzymes mixtures therein; a plate support on which the at least one micro-well plate is placed; a movable pipetting unit comprising a plurality of pipettes, wherein the pipettes of the plurality of pipettes of the moveable pipetting unit are arranged at an inclination angle relative to a normal to the plane of the plate support, wherein adjacently arranged pipettes of the plurality of pipettes are arranged at inclined opposite angles relative to the normal, and wherein the inclination angle is in the range up to 10°
relative to the normal, and about 7.5°
relative to the normal;a plurality of containers containing a liquid culture medium, the plurality of containers corresponding to the plurality of pipettes of the pipetting unit; a dish support on which a plurality of dishes corresponding to the plurality of pipettes is arranged, each dish of the plurality of dishes having a bottom and an upstanding side wall surrounding the bottom as well as a solid culture medium arranged on the bottom of the dish; a plurality of spinners corresponding to the plurality of dishes arranged on the dish support, the plurality of spinners configured to spin the dishes to generate centrifugal forces; a plurality of suction cups corresponding to the plurality of dishes arranged on the dish support for placing a lid on each of the dishes so as to close the respective dishes; and a plurality of laterally arranged belts for transporting the closed dishes to an intermediate storage capable of collecting a plurality of closed dishes so as to forward them to an incubator. - View Dependent Claims (2, 3, 4, 5)
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Specification
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Current AssigneeF Hoffmann-La Roche AG (Roche Holding AG)
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Original AssigneeF Hoffmann-La Roche AG (Roche Holding AG)
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InventorsVoegelin, Dieter, Iaiza, Patrick, Zumstein, Thomas, Kissling, Tom
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Primary Examiner(s)Hobbs, Michael
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Assistant Examiner(s)HASSAN, LIBAN M
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Application NumberUS13/254,941Publication NumberTime in Patent Office2,755 DaysField of Search4352873, 435 39, 4352871US Class CurrentCPC Class CodesG01N 35/028 having reaction cells in th...G01N 35/1067 for transfer to or from con...
