The influence of the Ag nanostructures dimensions on the pattern of electric field distribution in cases of blood cancer

Above normal concentrations of leukocyte can indicate blood cancer in humans. This study uses a finite difference time domain (FDTD) based on the Ag nanostructure array experiment from previous study. The influence of leukocyte and blood medium and also Ag nanostructures dimensions the on the pattern of electric field distributions in Ag nanostructure arrays was described on this study. The electric field distribution and transmittance of Ag nanostructure arrays using different medium was analysed. The electric field in Ag nanosquare with side size 50 nm irradiated with electromagnetic wave at a wavelength of 350 nm has value 1.78 × 10⁻⁵ V/m and has the highest electric field value compared to the other dimensions and wavelengths of electromagnetic wave. The maximum difference value of transmittance Ag nanosquare array between blood and leukocyte is 8.06 a.u. This value is resulted from Ag nanosquare with side size 50 nm irradiated with electromagnetic wave at a wavelength of 250 nm. These result provide an initial interpretation of optimum wavelength of electromagnetic wave and size of Ag nanosquare arrays for therapy and detection of blood cancer. (paper)