Journal
NANOSCALE
Volume 15, Issue 45, Pages 18139-18155Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d3nr03415a
Keywords
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The field of nanomedicine is rapidly advancing with a focus on inorganic and inorganic-organic composite nanomaterials. However, challenges remain in using these materials in clinical trials due to their complex chemistry and potential degradation. This review discusses recent advances in understanding the biochemical transformations of these materials, provides a refined terminology for primary reaction mechanisms, and highlights suitable analytical techniques. The review also highlights opportunities for diagnostic and therapeutic purposes, as well as current challenges and research priorities.
The field of nanomedicine is rapidly evolving, with new materials and formulations being reported almost daily. In this respect, inorganic and inorganic-organic composite nanomaterials have gained significant attention. However, the use of new materials in clinical trials and their final approval as drugs has been hampered by several challenges, one of which is the complex and difficult to control nanomaterial chemistry that takes place within the body. Several reviews have summarized investigations on inorganic nanomaterial stability in model body fluids, cell cultures, and organisms, focusing on their degradation as well as the influence of corona formation. However, in addition to these aspects, various chemical reactions of nanomaterials, including phase transformation and/or the formation of new/secondary nanomaterials, have been reported. In this review, we discuss recent advances in our understanding of biochemical transformations of medically relevant inorganic (composite) nanomaterials in environments related to their applications. We provide a refined terminology for the primary reaction mechanisms involved to bridge the gaps between different disciplines involved in this research. Furthermore, we highlight suitable analytical techniques that can be harnessed to explore the described reactions. Finally, we highlight opportunities to utilize them for diagnostic and therapeutic purposes and discuss current challenges and research priorities. This paper reviews recent advances in the understanding of biochemical transformations to inorganic nanomedicines, which are vital for their further development and clinical translation.
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