【Product description】 The kit is composed of superparamagnetic nanospheres for nucleic acid adsorption and efficient extraction reagent system: cells are rapidly lysed by lysate and nuclease is inactivated in cells, then nucleic acid is selectively adsorbed on magnetic beads, and through a series of rapid rinsing separation steps, the cell metabolites, protein and other impurities are removed by rinsing solution, and finally nucleic acid can be removed from the cell by double distilled water or eluent Elution on magnetic beads. The procedure is simple and rapid, and the whole extraction process can be completed at room temperature. The kit is also suitable for the magnetic beads automatic process of rapid nucleic acid extraction. This method is suitable for biological samples from secretions, such as nasopharyngeal secretions, saliva.