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Attachment of Acidithiobacillus ferrooxidans onto different solid substrates and fitting through Langmuir and Freundlich equations
Xia, Le-Xian1,2; Shen, Zhen1; Vargas, Tomas2; Sun, Wen-Juan1; Ruan, Ren-Man3; Xie, Zhen-Da4; Qiu, Guan-Zhou1
2013-12-01
Source PublicationBIOTECHNOLOGY LETTERS
Volume35Issue:12Pages:2129-2136
AbstractAttachments of Acidithiobacillus ferrooxidans ATCC 23270 onto elemental sulfur, quartz and complex chalcopyrite were investigated by analysis of its extracellular polymeric substances as well as applying Langmuir and Freundlich equations. The two equations fitted the adsorption equilibrium data with significant correlation coefficient over 0.9. This indicated that bacterial attachment is complicated and involves Langmuir and Freundlich characterizations. Sulfur-grown cells showed the highest affinity for the three solid substrates. The investigated complex chalcopyrite possessed a higher maximum adsorption capacity for A. ferrooxidans than elemental sulfur or quartz. The Freundlich fitting parameters suggested that quartz had a weaker adsorption capacity and smaller adsorption areas than elemental sulfur or the complex chalcopyrite. It is not the content of total carbohydrates or proteins in EPS but their ratios that determine the affinity differences between cells and substrates.
KeywordAcidithiobacillus Ferrooxidans Attachment Extracellular Polymeric Substances Freundlich Equation Langmuir Equation
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
Indexed BySCI
Language英语
WOS KeywordLEPTOSPIRILLUM-FERROOXIDANS ; THIOBACILLUS-FERROOXIDANS ; BACTERIAL ; PYRITE ; ADSORPTION ; SURFACES ; ADHESION ; BIOSORPTION ; EXPRESSION ; MINERALS
WOS Research AreaBiotechnology & Applied Microbiology
WOS SubjectBiotechnology & Applied Microbiology
WOS IDWOS:000326631100022
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13617
Collection研究所(批量导入)
Affiliation1.Cent S Univ, Key Lab Biohydromet, Minist Educ, Sch Minerals Proc & Bioengn, Changsha 410083, Hunan, Peoples R China
2.Univ Chile, Ctr Estudios Hidro Electromet, Dept Ingenierfa Minas, Santiago, Chile
3.Chinese Acad Sci, Inst Proc Engn, Beijing 100190, Peoples R China
4.Univ South China, Chuanshan Coll, Hengyang 421001, Hunan, Peoples R China
Recommended Citation
GB/T 7714
Xia, Le-Xian,Shen, Zhen,Vargas, Tomas,et al. Attachment of Acidithiobacillus ferrooxidans onto different solid substrates and fitting through Langmuir and Freundlich equations[J]. BIOTECHNOLOGY LETTERS,2013,35(12):2129-2136.
APA Xia, Le-Xian.,Shen, Zhen.,Vargas, Tomas.,Sun, Wen-Juan.,Ruan, Ren-Man.,...&Qiu, Guan-Zhou.(2013).Attachment of Acidithiobacillus ferrooxidans onto different solid substrates and fitting through Langmuir and Freundlich equations.BIOTECHNOLOGY LETTERS,35(12),2129-2136.
MLA Xia, Le-Xian,et al."Attachment of Acidithiobacillus ferrooxidans onto different solid substrates and fitting through Langmuir and Freundlich equations".BIOTECHNOLOGY LETTERS 35.12(2013):2129-2136.
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