Synthesis of Calcium Carbonate Crystals by Using Bacteria

The synthesis of calcium carbonate (CaCO 3 ) crystals in the presence of bacteria Escherichia coliform (E. coli) was investigated. The products were characterized by scanning electron microscopy, Fourier transform infrared spectroscopy and X-ray powder diffractometry. The results showed that calcite...

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Published inSynthesis and reactivity in inorganic, metal-organic, and nano-metal chemistry Vol. 42; no. 7; pp. 972 - 975
Main Authors Chen, Long, Zhang, Hui, Qi, Zhao-Peng, Yao, Wu, Wan, Jing-Jian, Shao, Ming, Zhang, Cun-Chao
Format Journal Article
LanguageEnglish
Published Taylor & Francis Group 01.08.2012
Subjects
calcium carbonate
Escherichia coliform
inorganic material
urinary stone
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Summary:The synthesis of calcium carbonate (CaCO 3 ) crystals in the presence of bacteria Escherichia coliform (E. coli) was investigated. The products were characterized by scanning electron microscopy, Fourier transform infrared spectroscopy and X-ray powder diffractometry. The results showed that calcite spherical superstructures constructed from small rhombohedral building units were formed with bacteria, and the particles are much larger than those formed without bacteria. The formation mechanism of CaCO 3 crystals in the presence of E. coli is explored, suggesting that the bacterial biomolecules especially proteins may induce the nucleation, growth, and aggregation of CaCO 3 crystals.
ISSN:1553-3174
1553-3182
DOI:10.1080/15533174.2012.680121