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[Biosorption of Ag+ by heavy metals hyperresistant Bacillus cereus strain HQ-1].
Zeng, Jing-Hai; Qi, Hong-Yan; Yang, Jian-Zhou; Hu, Qing; Zhang, Hong-Xun; Zhuang, Guo-Qiang.
Afiliación
  • Zeng JH; Department of Environmental Biotechnology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China. zengjh04@mails.gucas.ac.cn
Huan Jing Ke Xue ; 29(1): 225-30, 2008 Jan.
Article en Zh | MEDLINE | ID: mdl-18441945
A newly isolated Bacillus cereus strain HQ-1 was found to possess high capability to absorb silver ions. The study showed that the biosorption process could be described well by pseudo-second-order kinetic model and Freundlich isotherm model. Higher cell concentration was favorable to the biosorption. Temperature's effect on the biosorption was not obvious. The oxygenous and nitrogenous functional groups on the cell wall played a very important role in the process of biosorption. Microdeposits were formed by interaction between silver ions and biopolymers from the cell wall (such as polysaccharides, proteins and some hydrolysis).
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Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Plata / Bacillus cereus / Eliminación de Residuos Idioma: Zh Revista: Huan Jing Ke Xue Año: 2008 Tipo del documento: Article País de afiliación: China Pais de publicación: China
Buscar en Google
Añadir a Mi BVS
Imprimir
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PubMed Links

Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Plata / Bacillus cereus / Eliminación de Residuos Idioma: Zh Revista: Huan Jing Ke Xue Año: 2008 Tipo del documento: Article País de afiliación: China Pais de publicación: China