| 摘要 |
The invention relates to a method for carrying out a chemical analysis, in particular a bioaffinity assay on small liquid volumes, in which method droplets (51) are formed from a sample solution, and from one or more solutions used in the assay, onto a surface (30) repellent to the droplets, on which surface the droplets (51) are transported by using an electric field of changing strength in order to fuse the droplets (51) in the desired order and optionally to carry out an analysis, to shake the droplet (51), to regulate the temperature, and/or to wash the solid carrier optionally contained in the droplet (51). The invention also relates to a device for use in carrying out this method, the device having means (52) for transporting and fusing liquid doses, and optionally for dosing a liquid volume which contains the sample and at least one liquid volume which contains a reagent and, when a solid carrier is used, a washing liquid volume, for shaking the reaction mixture, for regulating the temperature and/or for analyzing the reaction product, as well as a liquid-repellent surface (30) and electrodes (52) fitted as transport tracks in the vicinity of the surface (30), and means for transferring liquid volumes as droplets onto the surface in the area of the said transport tracks. |
