Publications by authors named "G Profeta"
Article Synopsis
- - The study shows that depositing rare-earth elements on graphene over a cobalt substrate effectively creates spin-polarized states, which are crucial for certain electronic applications.
- - Researchers are now examining a similar method using graphene over a nickel substrate, aiming to achieve spin-polarized states by doping with rare-earth ions.
- - Through theoretical calculations, the paper identifies specific rare-earth ions that could optimize this doping process, explaining the mechanisms of charge transfer involved.
Article Synopsis
- Recent findings suggest that high-temperature superconducting phases in hydrides under high pressure may allow for the possibility of near-ambient superconductivity.
- The study focuses on N-doped LuH hydride, using machine learning to show that nitrogen impurities can stabilize hydrogen molecules at ambient pressure, which are crucial for achieving low-temperature superconductivity.
The chemistry of contrast agents (CAs) for magnetic resonance imaging (MRI) applications is an active area of research and, in recent work, it was shown that CA-based graphene oxide (GO) has valuable properties for biomedical uses. GO has a potential as MRI CAs thanks to several functionalities, like its ability to penetrate tissues and cell membranes, as well as easy coupling with therapeutic agents, therefore showing the potential for both a diagnostic and therapeutic role. In this study, we performed a thorough cleaning of the GO sample (synthesized using a modified Hummers method), minimizing the amount of residual manganese down to 73 ppm.
View Article and Find Full Text PDFMalignant tumors of the head and neck are rare in children, but it is important to know these lesions and identify them early in order to have a good outcome for these patients. Benign lesions of the head and neck are much more frequent and have an excellent prognosis. For this reason, it is necessary to recognize the warning signs and symptoms and understand when to refer the patient to a reference center for the treatment of these pathologies.
View Article and Find Full Text PDFThe severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the agent of a major global outbreak of respiratory tract disease known as Coronavirus Disease 2019 (COVID-19). SARS-CoV-2 infects mainly lungs and may cause several immune-related complications, such as lymphocytopenia and cytokine storm, which are associated with the severity of the disease and predict mortality. The mechanism by which SARS-CoV-2 infection may result in immune system dysfunction is still not fully understood.
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