Nucleic acid is the starting material of modern molecular biology. The method of nucleic acid purification directly affects the quality of nucleic acid. The purified nucleic acid should not only ensure the integrity of its primary structure, but also exclude the contamination of other molecules to ensure the purity of nucleic acid samples. MonPure? series of nucleic acid purification products, including plasmid extraction kit, DNA fragment recovery kit, and universal RNA extraction reagent, meet different types of nucleic acid purification needs.