Device and method for leading-in sample into microcrystalline chip electrophoresis
A microchip and electrophoresis technology, applied in sampling devices, microstructure devices, chemical instruments and methods, etc., can solve problems such as reducing sample capacity
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[0032]Fig. 1 is a cross-sectional view of the microchip of the present invention, which shows the X-X section of Figs. 2A to 2C. 1 and 2A to 2C, the following describes the operating steps of the method for introducing a sample into microchip electrophoresis according to the present invention.
[0033] First, in the microchip 1, the grooves 3 and 5 are filled with the separation medium 17, and the containers 7a, 7c, 7s, and 7w are filled with the electrophoresis buffer 19 for power supply. Electrode 21s and 21w are stored in container 7a, 7c, 7s and 7w respectively, and contact with electrophoresis buffer solution 19 for power supply in container 7a, 7c, 7s and 7w, the electrode that is connected with container 7a and 7c is not in Fig. 1 show.
[0034] The sample is stored in the capillary 23 . The capillary 23 is made of a nonconductive material such as glass or resin, and has an outer diameter of 250-365 μm, an inner diameter of 50-100 μm, and a length of 50-70 mm. In thi...
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