
Keywords: بافر فسفات; Anticancer drug; Drug delivery; Silica nanoparticles; Sol-gel method; Encapsulation; XRD; X-ray Diffraction; FTIR; Fourier Transform Infrared Spectroscopy; TEM; Transmission Electron Microscopy; 5-FU; 5 Fluorouracil; PBS; phosphate buffer; HPLC; high perf