Patent application number | Description | Published |
20090200166 | Method of Analyzing Hemoglobin by Capillary Eletrophoresis - The present invention is directed to methods of analyzing hemoglobin by capillary electrophoresis involving electrophoresing a hemoglobin-containing sample in the presence of chaotropic anion. | 08-13-2009 |
20100032294 | METHOD FOR ANALYZING HEMOGLOBIN BY CAPILLARY ELECTROPHORESIS AND ADDITIVE USED THEREIN - The present invention provides a method for analyzing hemoglobin by capillary electrophoresis, that allows the apparatus to be smaller in size, allows a highly precise analysis to be obtained, and allows the analysis to be performed in a short period of time. The analytical method of the present invention are methods for analyzing hemoglobin by capillary electrophoresis, comprising: a sample-providing step of providing a sample containing hemoglobin; a capillary tube-providing step of providing a capillary tube containing a buffer solution; and an electrophoresis step of carrying out electrophoresis of the sample, by introducing the sample into the buffer solution in the capillary tube, and applying a voltage across both ends of the capillary tube; wherein the electrophoresis is carried out following at least one of modes (A) and (B) below: (A) the electrophoresis is carried out with a surfactant (a) added to the buffer solution, the surfactant (a) being a non-ionic surfactant having an alkyl group as a hydrophobic portion and a sugar as a hydrophilic portion; and (B) the electrophoresis is carried out with a surfactant (b) added to the sample, the surfactant (b) being a betaine-type amphoteric surfactant. | 02-11-2010 |
20100032297 | Electrophoresis Chip and Electrophoresis Apparatus - An electrophoresis chip that enables an apparatus to be small, analysis time to be short and glycosylated hemoglobin to be analyzed highly accurately is provided. The electrophoresis chip includes an upper substrate | 02-11-2010 |
20100051464 | ANALYSIS CHIP AND ANALYSIS APPARATUS - An analysis chip that enables an apparatus to be small, analysis to be simple, analysis time to be short and analysis of both glycosylated hemoglobin and glucose to be highly accurate is provided. The electrophoresis chip includes an upper substrate | 03-04-2010 |
20100116660 | Electrophoresis Chip, Electrophoresis Apparatus, and Method for Analyzing Sample by Capillary Electrophoresis - An electrophoresis chip that can be small and simple and that can analyze a sample with high accuracy is provided. The electrophoresis chip includes an upper substrate | 05-13-2010 |
20100155242 | Method of Analyzing a Sample by Capillary Electrophoresis - The present invention is directed to the described capillary electrophoresis apparatus and methods of using such apparatus for separating and analyzing components of a sample. | 06-24-2010 |
20100181199 | ANALYSIS APPARATUS FOR CAPILLARY ELECTROPHORESIS - A capillary electrophoresis analysis apparatus is provided for analyzing samples by a capillary electrophoresis method that allows for rapid and highly accurate separation and detection. | 07-22-2010 |
20100187110 | PROCESS FOR ANALYZING SAMPLE BY CAPILLARY ELECTROPHORESIS METHOD - A process for analyzing a sample by a capillary electrophoresis method is provided that allows the apparatus to be reduced in size, allows a high analytical precision to be obtained, and can be carried out easily. The analytical process of the present invention is a process for analyzing a sample by a capillary electrophoresis method. The analytical process includes preparing a capillary tube to be used for the capillary electrophoresis method, and performing electrophoretic separation of a complex of a sample and an anionic group-containing compound that are bonded together, in the capillary tube, wherein the capillary tube includes an anionic layer that is formed of the anionic group-containing compound and that is coated on the inner wall of the capillary tube, and the anionic layer is fixed to the inner wall of the capillary tube by a covalent bond. | 07-29-2010 |
20100258440 | ANALYSIS APPARATUS AND ANALYSIS METHOD FOR CAPILLARY ELECTROPHORESIS - A capillary electrophoresis analysis apparatus is provided for analyzing samples by a capillary electrophoresis method that allows for rapid and highly accurate separation and detection, wherein the apparatus may be used in the diagnosis and/or monitoring of selected diseases. | 10-14-2010 |
20110155573 | METHOD OF ANALYZING HEMOGLOBIN BY ELECTROPHORESIS - A method for analyzing hemoglobin by electrophoresis, capable of analyzing hemoglobin A1c (HbA1c) and modified hemoglobin with improved accuracy in a shortened analysis time is provided. The method for analyzing hemoglobin by electrophoresis includes performing electrophoresis under conditions in which an acidic substance having two or more carboxyl groups is present in an electrophoresis solution. At least two of the carboxyl groups of the acidic substance each have an acid dissociation constant (pK | 06-30-2011 |
20110174621 | Method for Analyzing Sample by Electrophoresis and Use of the Same - A sample analysis method with improved separation accuracy is provided. The method relates to a method for analyzing a sample by electrophoresis using an electrophoresis apparatus provided with a channel and a sample reservoir formed in the channel. The method includes: placing the sample in the sample reservoir of the electrophoresis apparatus with the channel being filled with an electrophoresis running buffer; and performing electrophoresis by applying a voltage to both ends of the channel. The concentration of at least one of a) and b) is set to be approximately the same between the sample and the electrophoresis running buffer; wherein a) and b) are defined as follows:
| 07-21-2011 |
20120012462 | Electrophoresis Chip and Electrophoresis Apparatus - An electrophoresis chip that enables an apparatus to be small, analysis time to be short and glycosylated hemoglobin to be analyzed highly accurately is provided. The electrophoresis chip includes an upper substrate | 01-19-2012 |
20120037508 | Electrophoresis Apparatus and Control Method Thereof - An electrophoresis apparatus that applies voltage from electrodes that are provided in a capillary flow channel and causes component separation by performing electrophoresis on a specimen that is injected into the capillary flow channel comprises: a physical quantity acquisition unit and a physical quantity determination unit. The physical quantity acquisition unit, with migration solution and specimen injected inside the capillary flow channel, acquires an electrical quantity that occurs in the capillary flow channel at a specified time when voltage is being applied to the electrodes. The physical quantity determination unit determines whether or not the electrical quantity that the physical acquisition unit acquires is within a specified range. | 02-16-2012 |
20120040466 | Analytical Method of Hemoglobin - A method for analyzing hemoglobin in a sample by separation analysis while suppressing the denaturation of the hemoglobin includes separating hemoglobin in the presence of at least one of a sulfurous acid compound and a dithionous acid compound. | 02-16-2012 |
20120125773 | Analysis Chip and Analysis Apparatus - An analysis chip that enables an apparatus to be small, analysis to be simple, analysis time to be short and analysis of both glycosylated hemoglobin and glucose to be highly accurate is provided. The electrophoresis chip includes an upper substrate | 05-24-2012 |
20120125774 | Analysis Chip and Analysis Apparatus - An analysis chip that enables an apparatus to be small, analysis to be simple, analysis time to be short and analysis of both glycosylated hemoglobin and glucose to be highly accurate is provided. The electrophoresis chip includes an upper substrate | 05-24-2012 |
20120241322 | Analysis Apparatus and Analysis Method - An analysis apparatus is an apparatus that performs electrophoresis using a microchip provided with a channel. The analysis apparatus includes a cooling unit (an electron cooling element and a driving circuit) that cools the microchip, a voltage application unit (electrodes and a power supply circuit) that applies voltage to a buffer solution filled in the channel of the microchip, an optical analysis unit (a light source, a light receiving element, and an analysis unit) that conducts, through the microchip, optical analysis of a sample introduced in the channel, and a control unit that controls the cooling unit, the voltage application unit, and the optical analysis unit. The control unit causes the cooling unit to start cooling the microchip, and after the microchip has been cooled, causes the voltage application unit and the optical analysis unit to operate. | 09-27-2012 |
20130105316 | Substrate Modification Method | 05-02-2013 |