Aim
investigation of new hybrid system composed of dendrimer-gadolinium Gd(III)-nanodiamond as a new contrast agent to improve the MRI resolution and to reduce lateral toxicity in comparison with today used. The main idea is to use this bimodal contrast agent allowing more efficient performance of the MRI with attractive biological applications in diagnosis and therapy. In this report structural investigations by SEM and TEM, spectroscopic studies by Raman scattering, absorption, fluorescence and magnetic features by EPR measurements are discussed. Obtained results are demonstrating great potential of this bimodal imaging agent with unique magnetic and optical imaging capabilities.