| 摘要 |
To reduce the elongation of the migration time for the first electrophoresis cycle in successive electrophoresis cycles and improve the reliability of electrophoresis analysis. The present invention relates to making the condition of a migration medium at the start of the first electrophoresis analysis in successive electrophoresis analyses after the temperature in a thermostatic oven reaches a desired preset temperature substantially the same as the conditions after the successive electrophoresis analyses. Preferably, a voltage is applied to a separation medium filling a capillary during preheating of the thermostatic oven. Preferably, the temperature in the thermostatic oven during preheating is set higher than the temperature in the thermostatic oven during electrophoresis analysis. Preferably, a buffer solution is heated during preheating of the thermostatic oven. Preferably, the capillary is filled with a preheated separation medium during preheating of the thermostatic oven. According to the present invention, the reliability of the first electrophoresis analysis in successive electrophoresis analyses is improved.
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