Planned Environmental Controls to Prevent Water Contamination Issues at Minera Los Frailes (Aznalcóllar) Water Management in Metallic Mining Projects Untargeted Metabolomics by Gas Chromatography Coupled to Mass Spectrometry with High and Low Resolution Application of the CEMBIO MMMW (MS-Multiplatform Metabolomics Workflow) to two studies: mesenchymal stem cells and mitochondria Analysis of Plutonium Isotopes in Soils and Sediments by ICP-MS The Intestinal Microbiota: How it Affects Your Health Catalytic Micromotors: An avant-garde approach to (Bio)-Collective Sensing Functional Foods in the Antofagasta Region (Chile): Innovative Technologies and Their Applications Critical Metals for the Future Analytical chemistry in diagnosis and prognosis of diseases