Biophysics 1 Brain mri images 1 Contrast resolution 1 Diagnosis 1 Diagnostic imaging 1 Fast spin echos Fiber optic sensors 1 Fluid attenuated inversion recoveries 1 Gold compounds 1 Gold nanoparticles 1 Grading 1 Magnetic resonance 1 Magnetic resonance imaging 1 Magnetic susceptibility 1 Medical Physics 1 Metal nanoparticles 1 Nanomagnetics 1 Personal care products 1 Phantoms 1 Powders 1 Visual grading analysis 1 Water phantom 1