| abstract |
A novel antimicrobial agent and anticancer agent comprising, as an active ingredient, a fullerene derivative having a high antimicrobial activity and anticancer activity, wherein the antimicrobial agent or anticancer agent comprising, as an active ingredient, a fullerene derivative which has an organic bond structure represented by the following formula:n n(wherein A and B denote adjacently bonded carbon atoms, R 1 and R 2 are identical or different and denote a hydrocarbon group which may have a substituent, R 3 and R 4 are identical or different and denote a hydrogen atom or a hydrocarbon group which may have a substituent, and X denotes an anion) attached to respective plural pairs of adjacent bonded carbon atom pairs constituting the carbon cluster skeleton of the fullerene, are provided. |