Kinetic analysis of arsenic and iron oxidation by Acidianus brierleyi for biogenic scorodite formation

Tec-Caamal, Edgar N.; Rodrı́guez-Vázquez, Refugio; Aguilar-López, Ricardo

doi:10.1007/s11696-018-0653-x

Cited by 3 publications

(1 citation statement)

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“…In spite of the progress of research with respect to bioscorodite [ 84 , 85 ], there remains a lack of information about the role of organic matrices in the formation of biogenic scorodite under the very specific conditions listed above. An understanding of this problem may hold critical advances to the problem of arsenic separation from water.…”

Section: Bioscoroditementioning

confidence: 99%

Forced Biomineralization: A Review

2021

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Biologically induced and controlled mineralization of metals promotes the development of protective structures to shield cells from thermal, chemical, and ultraviolet stresses. Metal biomineralization is widely considered to have been relevant for the survival of life in the environmental conditions of ancient terrestrial oceans. Similar behavior is seen among extremophilic biomineralizers today, which have evolved to inhabit a variety of industrial aqueous environments with elevated metal concentrations. As an example of extreme biomineralization, we introduce the category of “forced biomineralization”, which we use to refer to the biologically mediated sequestration of dissolved metals and metalloids into minerals. We discuss forced mineralization as it is known to be carried out by a variety of organisms, including polyextremophiles in a range of psychrophilic, thermophilic, anaerobic, alkaliphilic, acidophilic, and halophilic conditions, as well as in environments with very high or toxic metal ion concentrations. While much additional work lies ahead to characterize the various pathways by which these biominerals form, forced biomineralization has been shown to provide insights for the progression of extreme biomimetics, allowing for promising new forays into creating the next generation of composites using organic-templating approaches under biologically extreme laboratory conditions relevant to a wide range of industrial conditions.

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Section: Bioscoroditementioning

confidence: 99%