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Title of Journal: J Nanopart Res

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Abbravation: Journal of Nanoparticle Research

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Springer Netherlands

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DOI

10.1016/0141-0229(92)90127-a

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1572-896X

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Biosynthesis of different morphologies of CaCOSub

Authors: Ping Li Changzhu Wu Qingsheng Wu Jian Li Hao Li
Publish Date: 2008/09/16
Volume: 11, Issue: 4, Pages: 903-908
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Abstract

Thermophilic bacterial strains HENQn1 were incubated at 60 °C in a solution containing calcium chloride With slow release of CO2 metabolic end products from the bacteria CaCO3 nanomaterials were found after 12 h through a transmission electron microscope TEM CaCO3 nanorods were obtained extracellularly whereas a unique morphology of nanosphere was observed intracelluarly A single crystal was further characterized by electron pattern ED and Xray powder diffraction XRD Moreover a putative mechanism has been proposed based on theoretical analyses and experimental evidences These results indicated that thermophilic bacteria had a wellcontrolled effect during the crystal growth of inorganic materials which provided us a promising application of bacteria in biosynthesis of nanomaterials

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