Environmental Science / Free Radicals / Mass Spectrometry / Nuclear Magnetic Resonance / X ray absorption spectroscopy / Magnetic Resonance Spectroscopy / Multidisciplinary / Environmental science and technology / Free Radical / Copper / Metal Complexes / Animals / Iron / Chemical Analysis / Marine Toxins / Inductively Coupled Plasma Mass Spectrometry / Human health / Sulfur / Biological systems / Liquid Chromatography / Electron Paramagnetic Resonance Spectroscopy / White Light / Mass Spectroscopy / X ray Absorption / Environmental / Nuclear Magnetic Resonance Spectroscopy / Magnetic Resonance Spectroscopy / Multidisciplinary / Environmental science and technology / Free Radical / Copper / Metal Complexes / Animals / Iron / Chemical Analysis / Marine Toxins / Inductively Coupled Plasma Mass Spectrometry / Human health / Sulfur / Biological systems / Liquid Chromatography / Electron Paramagnetic Resonance Spectroscopy / White Light / Mass Spectroscopy / X ray Absorption / Environmental / Nuclear Magnetic Resonance Spectroscopy