FTIR analysis of Sr2+ biosorption by Bacillus spp. strains isolated from soil treated with gamma-ray radiation
One strain bacterium was isolated from purple soil of Sichuan basin. It was subject to Bacillus according to analysis results of 16S rDNA. The effect of its biosorption to Sr2+ under gamma-ray radiation was studied in this paper. As for the whole kinetic biosorption curves, the results show that bac...
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Published in | Guang pu xue yu guang pu fen xi Vol. 32; no. 12; p. 3234 |
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01.12.2012
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Abstract | One strain bacterium was isolated from purple soil of Sichuan basin. It was subject to Bacillus according to analysis results of 16S rDNA. The effect of its biosorption to Sr2+ under gamma-ray radiation was studied in this paper. As for the whole kinetic biosorption curves, the results show that bacterial growth rates of test groups have retardation phenomena compared to the control groups without radiation. Such as the appearance of biosorption equilibrium retarded 1.5 d while the max growth rate retarded 0.5 d after the radiation SEM analysis showed that the bacterial cells had abnormity distortion after radiation. This proved that gamma-ray radiation can bring obvious damage to experimental bacterial cells. FTIR analysis results indicated that bacteria cells were damaged by radiation and Sr2+ has cooperation damage effects with radiation in aqueous condition, and the bacterial cells of log phase are easier to be damaged by coming forth radiation than those of lag phase. This radiation damage under differen |
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AbstractList | One strain bacterium was isolated from purple soil of Sichuan basin. It was subject to Bacillus according to analysis results of 16S rDNA. The effect of its biosorption to Sr2+ under gamma-ray radiation was studied in this paper. As for the whole kinetic biosorption curves, the results show that bacterial growth rates of test groups have retardation phenomena compared to the control groups without radiation. Such as the appearance of biosorption equilibrium retarded 1.5 d while the max growth rate retarded 0.5 d after the radiation SEM analysis showed that the bacterial cells had abnormity distortion after radiation. This proved that gamma-ray radiation can bring obvious damage to experimental bacterial cells. FTIR analysis results indicated that bacteria cells were damaged by radiation and Sr2+ has cooperation damage effects with radiation in aqueous condition, and the bacterial cells of log phase are easier to be damaged by coming forth radiation than those of lag phase. This radiation damage under differen |
Author | Li, Qiong-Fang Dai, Qun-Wei Wu, Xiao-Li Dong, Fa-Qin |
Author_xml | – sequence: 1 givenname: Qun-Wei surname: Dai fullname: Dai, Qun-Wei email: qw_dai@163.com organization: Key Laboratory of Solid Waste Treatment and the Resource Recycle (SWUST, Ministry of Education), Mianyang 621010, China. qw_dai@163.com – sequence: 2 givenname: Fa-Qin surname: Dong fullname: Dong, Fa-Qin – sequence: 3 givenname: Xiao-Li surname: Wu fullname: Wu, Xiao-Li – sequence: 4 givenname: Qiong-Fang surname: Li fullname: Li, Qiong-Fang |
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Snippet | One strain bacterium was isolated from purple soil of Sichuan basin. It was subject to Bacillus according to analysis results of 16S rDNA. The effect of its... |
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SubjectTerms | Adsorption Bacillus - isolation & purification Bacillus - metabolism Bacillus - radiation effects Gamma Rays Soil - chemistry Soil Microbiology Soil Pollutants - isolation & purification Soil Pollutants - metabolism Spectroscopy, Fourier Transform Infrared - methods Strontium - isolation & purification Strontium - metabolism |
Title | FTIR analysis of Sr2+ biosorption by Bacillus spp. strains isolated from soil treated with gamma-ray radiation |
URI | https://www.ncbi.nlm.nih.gov/pubmed/23427542 |
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