Abstract

The development of multifunctional nanoparticles has greatly expanded the application of nanomedicines for various health care ailments with better diagnosis and therapy. The combination of suitable imaging modalities with drugs and ligand-guided or external stimuli-guided site-specific delivery holds great potential for safer and efficient therapy. Various such nanocarrier systems have been discussed in this chapter such as the polymeric conjugates, dendrimers, micelles, gold nanostructures, Iron oxide nanoparticles, Quantum dots, carbon dots, and stimuli-responsive systems. In recent trends, these multifunctional systems involve a combination of photothermal, photoacoustic, and photodynamic effects along with the chemotherapeutic and other drugs. These systems hold great promise for better therapy for several difficult health care problems such as cardiovascular diseases, atherosclerosis, rheumatoid arthritis, Alzheimer, psychotic disorders, and inflammation and most importantly for the cure of various types of cancer and are presently under clinical manifestation.

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