| abstract |
Provided is a drug delivery system that can solve conventional technical problems by imparting magnetism to a short RNA (siRNA), an anticancer agent, and an in vivo marker, and can be easily put into practical use. A compound obtained by binding a nucleic acid or a drug to an inorganic compound such as iron oxide or cobalt oxide represented by the following formula via a silane coupling agent. [Wherein, M represents an inorganic compound such as iron oxide, chromium oxide, manganese oxide, cobalt oxide, nickel oxide, R1 represents a hydrocarbon group, and X represents a drug such as nucleic acid, ibuprofen, or amino acid. ] [Selection figure] None |