The application of nanotechnology in the biomedical field, known as nanomedicine, has gained much interest in the recent past as a versatile strategy for selective drug delivery and diagnostic purposes. The nanotheranostic approach, which aims to combine both therapeutic and imaging/diagnostic functionalities, is characterized by a strong pluridisciplinarity where the chemistry of materials, bioconjugate chemistry, pharmaceutical technology, drug delivery, imaging, and pharmacology, work together. Nanotheranostics combine simultaneous non-invasive diagnosis and treatment of diseases with the...