1 Chemical solutions, namely reagents for research for use in the extraction, isolation, and purification of nucleic acids, namely DNA and RNA; and chemical solution kits consisting primarily of chemical solutions, materials for extracting, isolating, and purifying DNA and RNA, test tubes, slides, plates, and printed instructions for use in research; and chemical solution kits consisting primarily of chemical solutions, materials for extracting, isolating, and purifying DNA and RNA, test tubes, slides, plates, and printed instructions, for use in medical and clinical science for the extraction, isolation, and purification of nucleic acids, namely DNA and RNA