Morphological, Microstructural, and In Situ Chemical Characteristics of Siderite Produced by Iron-Reducing Bacteria
Xiaohua Han,
Fuxian Wang,
Shiling Zheng
et al.
Abstract:Dissimilatory iron-reducing bacteria (DIRB) oxidize organic
matter
or hydrogen and reduce ferric iron to form Fe(II)-bearing minerals,
such as magnetite and siderite. However, compared with magnetite,
which was extensively studied, the mineralization process and mechanisms
of siderite remain unclear. Here, with the combination of advanced
electron microscopy and synchrotron-based scanning transmission X-ray
microscopy (STXM) approaches, we studied in detail the morphological,
structural, and chemical features … Show more
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