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Nanoparticles as Targeted Drug Delivery Systems ��? A Novel Approach in Cancer Therapy

Pratibha Muntha

Drug delivery is the administration of a therapeutically active substance into the body of the patient using a route of administration which will give maximum therapeutic effect. Targeted drug delivery designs the drug delivery systems in such a way that the dosage form releases the active ingredients in the targeted area which will result in reduced side effects and helps in achieving maximum therapeutic benefit Nanoparticles as drug delivery systems are now playing a major role in the area of targeted drug delivery systems especially in the treatment of cancer. Nanoparticles indicate nanostructures with intermediate size between microscopic and molecular structure. Nanoparticles can exist in different shapes of spherical, filamentous, tubular, and irregular. They even have applications in various other fields related to cosmetics, cancer therapy, food addictives etc.