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Immobilization of Pseudomonas delafieldii with magnetic polyvinyl alcohol beads and its application in biodesulfurization
Alternative TitleBiotechnol. Lett.
Shan, GB; Xing, JM; Luo, MF; Liu, HZ; Chen, JY
2003-12-01
Source PublicationBIOTECHNOLOGY LETTERS
ISSN0141-5492
Volume25Issue:23Pages:1977-1981
AbstractPseudomonas delafieldii was immobilized in magnetic polyvinyl alcohol ( PVA) beads using a hydrophilic magnetic fluid, which was prepared by a co-precipitation method. The beads had distinct super-paramagnetic properties and were compared with immobilized cells in non-magnetic PVA beads. Their desulfurizing activity was increased slightly from 8.7 to 9 mmol sulfur kg(-1) (dry cell) h(-1). The main advantages was that the magnetic immobilized cells maintain a high desulfurization activity and remain in good shape after 7 times of repeated use, while the nonmagnetic immobilized cells could only be used for 5 times. Furthermore, the magnetic immobilized cells could be easily collected or separated magnetically from the biodesulfurization reactor.; Pseudomonas delafieldii was immobilized in magnetic polyvinyl alcohol ( PVA) beads using a hydrophilic magnetic fluid, which was prepared by a co-precipitation method. The beads had distinct super-paramagnetic properties and were compared with immobilized cells in non-magnetic PVA beads. Their desulfurizing activity was increased slightly from 8.7 to 9 mmol sulfur kg(-1) (dry cell) h(-1). The main advantages was that the magnetic immobilized cells maintain a high desulfurization activity and remain in good shape after 7 times of repeated use, while the nonmagnetic immobilized cells could only be used for 5 times. Furthermore, the magnetic immobilized cells could be easily collected or separated magnetically from the biodesulfurization reactor.
KeywordBiodesulfurization Dibenzothiophene Immobilization Polyvinyl Alcohol Pseudomonas Delafieldii
SubtypeArticle
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
URL查看原文
Indexed BySCI
Language英语
WOS KeywordCELLS ; DESULFURIZATION
WOS Research AreaBiotechnology & Applied Microbiology
WOS SubjectBiotechnology & Applied Microbiology
WOS IDWOS:000186636400004
Citation statistics
Cited Times:42[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5298
Collection研究所(批量导入)
AffiliationChinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Lab Separat Sci & Engn, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Shan, GB,Xing, JM,Luo, MF,et al. Immobilization of Pseudomonas delafieldii with magnetic polyvinyl alcohol beads and its application in biodesulfurization[J]. BIOTECHNOLOGY LETTERS,2003,25(23):1977-1981.
APA Shan, GB,Xing, JM,Luo, MF,Liu, HZ,&Chen, JY.(2003).Immobilization of Pseudomonas delafieldii with magnetic polyvinyl alcohol beads and its application in biodesulfurization.BIOTECHNOLOGY LETTERS,25(23),1977-1981.
MLA Shan, GB,et al."Immobilization of Pseudomonas delafieldii with magnetic polyvinyl alcohol beads and its application in biodesulfurization".BIOTECHNOLOGY LETTERS 25.23(2003):1977-1981.
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