Pemex swung to a 190.47 billion-peso ($9.31 billion) loss during the final three months of 2024 from a meager 5 billion-peso profit a year earlier. It was the third straight period of negative ...

Laboratory of Sensors, Nanomedicine, and Nanostructured Materials, Federal University of São Carlos, Araras, São Paulo 13600-970, Brazil Department of Physics, Chemistry and Mathematics, Federal ...