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Induced calcium carbonate precipitation using Bacillus species.

Applied microbiology and biotechnology (2016-07-10)
Mostafa Seifan, Ali Khajeh Samani, Aydin Berenjian
ABSTRACT

Microbially induced calcium carbonate precipitation is an emerging process for the production of self-healing concrete. This study was aimed to investigate the effects and optimum conditions on calcium carbonate biosynthesis. Bacillus licheniformis, Bacillus sphaericus, yeast extract, urea, calcium chloride and aeration were found to be the most significant factors affecting the biomineralization of calcium carbonate. It was noticed that the morphology of microbial calcium carbonate was mainly affected by the genera of bacteria (cell surface properties), the viscosity of the media and the type of electron acceptors (Ca

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Sigma-Aldrich
Calcium lactate pentahydrate, meets USP testing specifications