Method of treating cancer cells with a folic acid and carboplatin functionalized nickel ferrite/monodispersed spherical silica nanocomposite

A method of treating cancer cells to achieve apoptosis, comprising:

• contacting the cancer cells with a porous particulate nanocomposite in an amount sufficient to kill the cancer cells;
• wherein the porous particulate nanocomposite, comprises:
• a magnetic nickel ferrite (NiFe2O4);
• and,
• monodisperse spherical silica particles onto which the magnetic nickel ferrite (NiFe2O4) is dispersed,
• wherein the nanocomposite is functionalized with cis-diammine(cyclobutane-1,1-dicarboxylate-O,O′)platinum(II) (carboplatin) and folic acid, and further wherein the magnetic nickel ferrite (NiFe2O4) has an inverse spinel crystal structure;
• wherein the cancer cells are cells of a cancer selected from the group consisting of colon cancer, colorectal cancer and cervical cancer.