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en:aree:epr:attivita:metalli_proteine [2020/10/29 13:31] Gianluca Frustagli |
en:aree:epr:attivita:metalli_proteine [2020/10/30 18:56] (current) Paola Fattibene |
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| ====== Metals and metalloproteins ====== | ====== Metals and metalloproteins ====== | ||
| - | + | Transition metals (iron, copper, manganese, cobalt, ...) are paramagnetic because of the incomplete electron orbital. In some oxidation states, transition metals may however lose paramagnetic properties. | |
| - | {{:aree:epr:attivita:heme-b.png?150 |Heme B}} Transition metals (iron, copper, manganese, cobalt, ...) are paramagnetic because of the incomplete electron orbital. In some oxidation states, transition metals may however lose paramagnetic properties. | + | |
| EPR spectroscopy can then detect the presence of transition metals for example in the contamination of materials (eg from chromium, iron or manganese) or in macromolecules (metalloproteins). | EPR spectroscopy can then detect the presence of transition metals for example in the contamination of materials (eg from chromium, iron or manganese) or in macromolecules (metalloproteins). | ||
