Patent application number | Description | Published |
20080217177 | Capillary electrophoresis apparatus - There is provided a capillary electrophoresis apparatus wherein coupling efficiency of exciting irradiation light to a capillary array does not decline even if any one capillary array of two capillary arrays is removed. | 09-11-2008 |
20080245716 | Separation column and liquid chromatography system with this column - A monolithic separation column and a liquid chromatography system using the same are provided by which the pressure tightness is improved, and the manufacturing is enabled at a low temperature, thus preventing the degradation of the separation performance. A monolithic rod | 10-09-2008 |
20080296161 | Electrophoresis apparatus and pump mechanism used in the same - To obtain a stable pressure to inject polymer into a capillary array in order to shorten the injection time and raise the processing capacity of the apparatus. | 12-04-2008 |
20090020429 | ELECTROPHORESIS APPARATUS USING CAPILLARY ARRAY AND A SAMPLE TRAY - Even if a standby time to the measurement becomes long, a sample in a sample container is prevented from deteriorating. A cooling mechanism is provided in a sample tray for holding a sample plate, or in a plate-mounting portion of a table-type auto sampler of a capillary electrophoresis apparatus, so that the sample plate is cooled during the measurement also. | 01-22-2009 |
20090183990 | CAPILLARY ARRAY UNIT AND CAPILLARY ELECTROPHORESIS APPARATUS - In a capillary electrophoresis apparatus, a capillary array unit has a capillary array including capillaries having a capillary head and a detection unit, a frame for supporting the capillary array, and a load header for holding cathode ends of the capillaries. The frame has separators for separating and holding the capillaries. The capillary head, the detection unit, and the separators are disposed along one linear line. With this arrangement, there is provided the capillary array unit and the capillary electrophoresis apparatus which are arranged such that a job for mounting the capillary array can be executed easily. | 07-23-2009 |
20090211911 | CAPILLARY ELECTROPHORESIS APPARATUS - The invention provides a capillary electrophoresis apparatus which can improve the operability and measuring speed. According to the invention, a sensor for identifying the type of sample containers is fixed at the position away from a capillary anode electrode. The sensor is made to be closer to the sample containers by moving a moving stage so that the sample containers disposed on the moving stage can be identified by the sensor. A fixing apparatus for fixing at least a pair of sample containers is provided on the moving stage. | 08-27-2009 |
20090218267 | SEPARATION COLUMN AND LIQUID CHROMATOGRAPH - The present invention provides a separation column including a monolithic rod without a resin coating material. The separation column can prevent the monolithic rod from destroying, and a liquid can be delivered at a high pressure into the separation column. The separation column includes the monolithic rod (monolithic silica rod) in a tapered-columnar shape, and a clad with the interior formed in a tapered-columnar shape. The monolithic rod is built into the clad. | 09-03-2009 |
20100012566 | SEPARATION COLUMN AND LIQUID CHROMOTOGRAPH USING THE SAME - The flow rate of a solvent is reduced as a separation column and the separation performance is improved even under high-pressure conditions. There is provided a separation column including a monolith rod into which a sample and a mobile phase flow, the separation column comprising: a coating material coated on the outer circumference of a monolith rod; a support member into which the monolith rod coated with the coating material is inserted, and a rod fixing material fitted into or filled a gap between the coating material and the support member; wherein the upper end face of the rod fixing material is sealed, the upper end face being the inflow-side end when the separation column is assembled. | 01-21-2010 |
20100288642 | CAPILLARY ARRAY - A capillary array includes a light detection portion, a sample supply portion, a buffer solution supply portion and a voltage application portion which are necessary functions for electrophoresis, thereby, when assembling the capillary array into an electrophoresis apparatus, the same can be immediately used. Accordingly, a capillary array is provided which can be easily incorporated into an electrophoresis apparatus. | 11-18-2010 |
20120043211 | CAPILLARY ELECTROPHORESIS APPARATUS - Provided is a capillary electrophoresis apparatus capable of avoiding electric discharge even when a conductive component is arranged near a cathode end of a capillary. The capillary electrophoresis apparatus of the present invention has a structure in which a spatial distance and a creeping distance between an electrode attached to the cathode end of the capillary and the conductive component are large even when the conductive component is arranged near the cathode end of the capillary. That is to say, the capillary electrode, which protrudes from a lower surface of the load header, penetrates through a space between the load header and an anti-evaporation film and further penetrates through a capillary hole formed on the anti-evaporation film to extend into a container. At least a portion exposed to the space between the load header and the anti-evaporation film of the capillary electrode is covered with an insulating member. | 02-23-2012 |
20120127469 | FLOW CELL, DETECTOR, AND LIQUID CHROMATOGRAPH - In a liquid chromatograph, a flow cell, in which a direction of detecting light and a flow direction of a sample fluid are parallel to each other, and in which the flow direction of the sample fluid changes at the moment of the sample fluid flowing out of a detecting portion into an outflow channel and at the moment of the sample fluid flowing into the detecting portion from an inflow channel, is capable of suppressing a peak broadening of a chromatogram. A plurality of outflow channels are provided, which shorten a distance between a flow outlet and a flow bend in the sample flow. A plurality of inflow channels are also provided, some of which collide jets flowing into the detecting portion from the inflow channels and others of which produce a swirl of jets flowing into the detecting portion from the inflow channels. | 05-24-2012 |
20120291531 | LIQUID CHROMATOGRAPH AND LIQUID FEEDER FOR LIQUID CHROMATOGRAPH - Provided is a liquid chromatograph of a gradient type capable of promoting the mixture of a plurality of solvents without increasing flow passage volume. To this end, the liquid chromatograph includes: a Pump configured to suck a plurality of solvents and feed the solvents to a sample injection device, a separation column that separates a sample to be analyzed into components; and a detector that detects a component of the sample fed from the separation column. The Pump is configured to suck the plurality of solvents through an intake port and feed the solvents to a sample injection device through a discharge port and mix the plurality of solvents at between the intake port and the discharge port. The Pump further includes a cylinder and a plunger that reciprocates inside the cylinder, and the cylinder has an inner wall provided with a recess to generate a whirl in the plurality of solvents. | 11-22-2012 |
20120292189 | CAPILLARY ELECTROPHORESIS APPARATUS - The invention provides a capillary electrophoresis apparatus which can improve the operability and measuring speed. According to the invention, a sensor for identifying the type of sample containers is fixed at the position away from a capillary anode electrode. The sensor is made to be closer to the sample containers by moving a moving stage so that the sample containers disposed on the moving stage can be identified by the sensor. A fixing apparatus for fixing at least a pair of sample containers is provided on the moving stage. | 11-22-2012 |