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Drug development today faces challenges with poor pharmacokinetic properties of drugs, leading to low bioavailability and hence, low pharmacodynamic efficacy of drugs. This has remained a major obstacle behind clinical translation of many potential drug candidates. Targeted drug delivery has gained substantial limelight in this regard. It has improved pharmacokinetic properties of drugs and enhanced therapeutic efficacy. The concept of targeted delivery is incomplete without nanotechnology which is the current focus of the scientific world. Nanotechnology has extended its roots to major scientific areas like imaging, diagnostics, and drug delivery. Their increasing employment is attributed to their dominant optical, electric, and magnetic properties imparted due to their exceptionally small size. Their ability to provide long drug shelf life, a highly stable environment, high carrier capacity, convenient loading of both …