From nanoparticles via microtemplates and milliparticles to deep-sea nodules: biogenically driven mineral formation (CROSBI ID 202324)
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Podaci o odgovornosti
Wang, Xia-Hong ; Schlossmacher, Ute ; Wang, Shun-Feng ; Schroder, Heinz C. ; Wiens, Matthias ; Batel, Renato ; Muller, Werner E.G.
engleski
From nanoparticles via microtemplates and milliparticles to deep-sea nodules: biogenically driven mineral formation
Deep-sea minerals in polymetallic nodules and seamount Co-rich crusts are not only formed by mineralization but also by biologically driven processes involving microorganisms (biomineralization). Within the polymetallic nodules, free-living and biofilm-forming bacteria provide the matrix for manganese deposition, and in seamount Co-rich crusts, coccolithophores represent the dominant organisms that act as bio-seeds for an initial manganese deposition. These (bio)minerals are economically important: manganese is an important alloying component and cobalt forms part of special steels in addition to being used, along with other rare metals, in plasma screens, hard-disk magnets and hybrid car motors. Recent progress in our understanding of the participation of the organic matrices in the enrichment of these metals might provide the basis for feasibility studies of biotechnological applications.
polymetallic nodule; biomineralization; bacteria; sustainable exploitation
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