Journal
NANOMATERIALS
Volume 11, Issue 5, Pages -Publisher
MDPI
DOI: 10.3390/nano11051084
Keywords
manganese oxides; nanoparticles; in vitro; in vivo; biological effects
Categories
Funding
- Nofer Institute of Occupational Medicine
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The expanding applications of nanotechnology are a response to technological, environmental, and medical challenges. Manganese and its oxide nanoparticles show promise as an alternative to gadolinium-based contrast agents, but overexposure can lead to neurological disorders. Studies suggest the potential for developing functionalized nanoparticles with minimal toxicity and promising properties.
The expanding applications of nanotechnology seem to be a response to many technological, environmental, and medical challenges. The unique properties of nanoparticles allow for developing new technologies and therapies. Among many investigated compounds is manganese and its oxides, which in the form of nanoparticles, could be a promising alternative for gadolinium-based contrast agents used in diagnostic imaging. Manganese, which is essential for living organisms as an enzyme cofactor, under excessive exposure-for example, due to water contamination or as an occupational hazard for welders-can lead to neurological disorders, including manganism-a condition similar to Parkinson's disease. This review attempts to summarise the available literature data on the potential applications of manganese and manganese oxide nanoparticles and their biological activity. Some of the published studies, both in vitro and in vivo, show negative effects of exposure to manganese, mainly on the nervous system, whereas other data suggest that it is possible to develop functionalised nanoparticles with negligible toxicity and novel promising properties.
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