Some implications of cooperative potential of metal ions and electromagnetic fields' radiation (EMF) in carcinogenic processes are discussed. It is known that these factors, chemical and physical individually have connections with processes of oxidative stress. Special attention was paid to possible manifestation within the brain. Therefore, the entry of a few potentially neurotoxic metals into the brain is discussed.
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Spin probe for dynamics of the internal cluster in endohedral metallofullerenes.
Chem Commun (Camb)
December 2024
MOE Key Laboratory of Cluster Science, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 102488, China.
Endohedral metallofullerenes (EMFs) are constructed by fullerene cages encapsulating various metal atoms or metal clusters, which usually exhibit some motion. However, due to the fact that the elusive endohedral dynamics are related to many factors, it remains a challenge to image the motion of internal species. Recently, the electron spin was found to be a sensitive probe to detect the motion of internal species in EMFs.
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Chem Commun (Camb)
December 2024
School of Chemistry, Xi'an Jiaotong University, Xi'an 710049, China.
Since the discovery of La@C, a wide array of endohedral metallofullerenes (EMFs) have been synthesized and documented. Various metals, including lanthanides, transition metals, alkali metals, alkaline earth metals and actinides, have been successfully incorporated into the inert fullerene cavities. The interaction between these encapsulated metal species and the fullerene cage isomers plays a crucial role in determining distinct molecular structures and imparting versatile chemical behaviors to these compounds.
View Article and Find Full Text PDFStability of [10-12]cycloparaphenylene complexes with pristine fullerenes C and endohedral metallofullerenes MN@C.
Nanoscale
November 2024
Department of Chemistry and Pharmacy, Friedrich-Alexander-Universität Erlangen Nürnberg, 91058 Erlangen, Germany.
[]Cycloparaphenylenes ([]CPPs) are strained macrocycles, comprising only sp-hybridized carbon atoms. In recent years, []CPPs have become of great research interest in the field of supramolecular chemistry since their special structure enables the formation of novel host-guest complexes. In this work, we investigate the gas-phase chemistry of noncovalent complexes of [10-12]CPP with the pristine fullerenes C and the endohedral metallofullerenes (EMFs) ScN@-C, ScN@-C and MN@-C (M = Sc, Y, Lu, Gd).
View Article and Find Full Text PDFA Pilot Study Evaluating the Feasibility and Efficacy of an In-Home Resonance-Based Electromagnetic Field Protection Device on Improving Markers of Health and Cognitive Function Among a Sample of Healthy Adults.
Integr Med (Encinitas)
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Altum Medical, San Jose, CA, United States.
Background: The dramatic increase in exposure to non-native sources of electromagnetic fields (EMF) in recent years has given rise to numerous human health concerns. The near pervasive exposure to radiofrequency (RF) emanating from wireless technologies inside the home (e.g.
View Article and Find Full Text PDFEndohedral metallofullerenes as nanoreactors: Regulating the ring-opening reaction of m-xylene at a molecular level under pressure.
J Chem Phys
September 2024
State Key Laboratory of Superhard Materials, College of Physics, Jilin University, Changchun 130012, China.
The ring-opening reaction of aromatic molecules is a significant and critical process for the construction of carbon-based and related functional materials with desired structures and properties. However, direct observation and control of such a process at a molecular level remains a challenge. Here, we employed the octahedral voids in endohedral metallofullerene (EMF) crystals as nanoreactors to accommodate aromatic m-xylene molecules and regulate the ring-opening reaction of guest m-xylene by applying a high pressure.
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