Production and characterization of an intracellular bioflocculant by Chryseobacterium daeguense W6 cultured in low nutrition medium
A novel intracellular bioflocculant (named MBF-W6) produced by Chryseobacterium daeguense W6 cultured in low nutrition medium was investigated in this study. The effects of carbon source, nitrogen source, C/N ratio, initial pH, inoculum size, culture temperature and shaking speed on MBF-W6 productio...
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| creator | Liu, WeiJie Wang, Kai Li, BaoZhen Yuan, HongLi Yang, JinShui |
| description | A novel intracellular bioflocculant (named MBF-W6) produced by
Chryseobacterium daeguense W6 cultured in low nutrition medium was investigated in this study. The effects of carbon source, nitrogen source, C/N ratio, initial pH, inoculum size, culture temperature and shaking speed on MBF-W6 production were studied. Chemical analysis showed that the purified MBF-W6 was mainly composed of 32.4% protein, 13.1% polysaccharide and 6.8% nucleic acid. Fourier-transform infrared (FTIR) spectroscopy indicated the presence of carboxyl, hydroxyl, and methoxyl groups. The elemental analysis of purified MBF-W6 revealed that the mass proportion of C, H, O, N and S was 40.92:6.53:44.01:8.53:1.01 (w/w) correspondingly. MBF-W6 had good flocculating rate in Kaolin suspension without any cation addition. The highest flocculating rate of 96.9% was achieved under the optimal conditions (bioflocculant dosage 1.2
mg
l
−1, pH 5.6 and temperature 15
°C). |
| doi_str_mv | 10.1016/j.biortech.2009.08.108 |
| format | Article |
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Chryseobacterium daeguense W6 cultured in low nutrition medium was investigated in this study. The effects of carbon source, nitrogen source, C/N ratio, initial pH, inoculum size, culture temperature and shaking speed on MBF-W6 production were studied. Chemical analysis showed that the purified MBF-W6 was mainly composed of 32.4% protein, 13.1% polysaccharide and 6.8% nucleic acid. Fourier-transform infrared (FTIR) spectroscopy indicated the presence of carboxyl, hydroxyl, and methoxyl groups. The elemental analysis of purified MBF-W6 revealed that the mass proportion of C, H, O, N and S was 40.92:6.53:44.01:8.53:1.01 (w/w) correspondingly. MBF-W6 had good flocculating rate in Kaolin suspension without any cation addition. The highest flocculating rate of 96.9% was achieved under the optimal conditions (bioflocculant dosage 1.2
mg
l
−1, pH 5.6 and temperature 15
°C).</description><identifier>ISSN: 0960-8524</identifier><identifier>EISSN: 1873-2976</identifier><identifier>DOI: 10.1016/j.biortech.2009.08.108</identifier><identifier>PMID: 19766490</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Biological and medical sciences ; Bioreactors ; Carbon - chemistry ; Chryseobacterium ; Chryseobacterium - enzymology ; Chryseobacterium daeguense ; Culture Media ; Extracellular polymeric substances ; Fermentation ; Flocculant ; Flocculating rate ; Fundamental and applied biological sciences. Psychology ; Hydrogen - chemistry ; Hydrogen-Ion Concentration ; Intracellular bioflocculant ; Ions ; Metals - chemistry ; Nitrogen - chemistry ; Oxygen - chemistry ; Polymers - chemistry ; Polysaccharides - chemistry ; Spectroscopy, Fourier Transform Infrared - methods ; Sulfur - chemistry ; Temperature ; Water Purification - methods</subject><ispartof>Bioresource technology, 2010-02, Vol.101 (3), p.1044-1048</ispartof><rights>2009 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c550t-b604444f75648e8f6224255885f15401dc1270074906e50120bd2b5bf6dab63</citedby><cites>FETCH-LOGICAL-c550t-b604444f75648e8f6224255885f15401dc1270074906e50120bd2b5bf6dab63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.biortech.2009.08.108$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=22119721$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/19766490$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Liu, WeiJie</creatorcontrib><creatorcontrib>Wang, Kai</creatorcontrib><creatorcontrib>Li, BaoZhen</creatorcontrib><creatorcontrib>Yuan, HongLi</creatorcontrib><creatorcontrib>Yang, JinShui</creatorcontrib><title>Production and characterization of an intracellular bioflocculant by Chryseobacterium daeguense W6 cultured in low nutrition medium</title><title>Bioresource technology</title><addtitle>Bioresour Technol</addtitle><description>A novel intracellular bioflocculant (named MBF-W6) produced by
Chryseobacterium daeguense W6 cultured in low nutrition medium was investigated in this study. The effects of carbon source, nitrogen source, C/N ratio, initial pH, inoculum size, culture temperature and shaking speed on MBF-W6 production were studied. Chemical analysis showed that the purified MBF-W6 was mainly composed of 32.4% protein, 13.1% polysaccharide and 6.8% nucleic acid. Fourier-transform infrared (FTIR) spectroscopy indicated the presence of carboxyl, hydroxyl, and methoxyl groups. The elemental analysis of purified MBF-W6 revealed that the mass proportion of C, H, O, N and S was 40.92:6.53:44.01:8.53:1.01 (w/w) correspondingly. MBF-W6 had good flocculating rate in Kaolin suspension without any cation addition. The highest flocculating rate of 96.9% was achieved under the optimal conditions (bioflocculant dosage 1.2
mg
l
−1, pH 5.6 and temperature 15
°C).</description><subject>Biological and medical sciences</subject><subject>Bioreactors</subject><subject>Carbon - chemistry</subject><subject>Chryseobacterium</subject><subject>Chryseobacterium - enzymology</subject><subject>Chryseobacterium daeguense</subject><subject>Culture Media</subject><subject>Extracellular polymeric substances</subject><subject>Fermentation</subject><subject>Flocculant</subject><subject>Flocculating rate</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Hydrogen - chemistry</subject><subject>Hydrogen-Ion Concentration</subject><subject>Intracellular bioflocculant</subject><subject>Ions</subject><subject>Metals - chemistry</subject><subject>Nitrogen - chemistry</subject><subject>Oxygen - chemistry</subject><subject>Polymers - chemistry</subject><subject>Polysaccharides - chemistry</subject><subject>Spectroscopy, Fourier Transform Infrared - methods</subject><subject>Sulfur - chemistry</subject><subject>Temperature</subject><subject>Water Purification - methods</subject><issn>0960-8524</issn><issn>1873-2976</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkU-PFCEQxYnRuOPqV1i5qKcZC7qh6Ztm4r9kE01W45HQNOww6WlWoDXj1S9u9faoN5cL4fGrKh6PkAsGGwZMvtxvuhBTcXa34QDtBhTq6h5ZMdVUa9428j5ZQSthrQSvz8ijnPcAULGGPyRnDO9l3cKK_PqUYj_ZEuJIzdhTuzPJ2OJS-GluxehRp2EsKLthmAaTKI72Q7QWD2Oh3ZFud-mYXeyWyulAe-OuJzdmR79KilyZkuuxCx3iDzpOJYXb5gfXI_2YPPBmyO7JaT8nV2_ffN6-X19-fPdh-_pybYWAsu4k1Lh8I2StnPKS85oLoZTwTNTAest4A9CgL-kEMA5dzzvRedmbTlbn5MXS9SbFb5PLRR9Cni2Z0cUpa6UqqGUl2Z1kU9XQKmAVks__S3LGmRKqRVAuoE0x5-S8vknhYNJRM9BzoHqv_wSq50A1KNQVFl6cJkwd_ta_slOCCDw7ASZbM_hkRhvyX45zhiifTT1dOG-iNtcJmS9XHE3gcASq-YNeLYTDDL4Hl3S2wY0WM0rOFt3HcNdrfwNy1MyP</recordid><startdate>20100201</startdate><enddate>20100201</enddate><creator>Liu, WeiJie</creator><creator>Wang, Kai</creator><creator>Li, BaoZhen</creator><creator>Yuan, HongLi</creator><creator>Yang, JinShui</creator><general>Elsevier Ltd</general><general>[New York, NY]: Elsevier Ltd</general><general>Elsevier</general><scope>FBQ</scope><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QL</scope><scope>7QO</scope><scope>7ST</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>SOI</scope><scope>7X8</scope></search><sort><creationdate>20100201</creationdate><title>Production and characterization of an intracellular bioflocculant by Chryseobacterium daeguense W6 cultured in low nutrition medium</title><author>Liu, WeiJie ; Wang, Kai ; Li, BaoZhen ; Yuan, HongLi ; Yang, JinShui</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c550t-b604444f75648e8f6224255885f15401dc1270074906e50120bd2b5bf6dab63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Biological and medical sciences</topic><topic>Bioreactors</topic><topic>Carbon - chemistry</topic><topic>Chryseobacterium</topic><topic>Chryseobacterium - enzymology</topic><topic>Chryseobacterium daeguense</topic><topic>Culture Media</topic><topic>Extracellular polymeric substances</topic><topic>Fermentation</topic><topic>Flocculant</topic><topic>Flocculating rate</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Hydrogen - chemistry</topic><topic>Hydrogen-Ion Concentration</topic><topic>Intracellular bioflocculant</topic><topic>Ions</topic><topic>Metals - chemistry</topic><topic>Nitrogen - chemistry</topic><topic>Oxygen - chemistry</topic><topic>Polymers - chemistry</topic><topic>Polysaccharides - chemistry</topic><topic>Spectroscopy, Fourier Transform Infrared - methods</topic><topic>Sulfur - chemistry</topic><topic>Temperature</topic><topic>Water Purification - methods</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, WeiJie</creatorcontrib><creatorcontrib>Wang, Kai</creatorcontrib><creatorcontrib>Li, BaoZhen</creatorcontrib><creatorcontrib>Yuan, HongLi</creatorcontrib><creatorcontrib>Yang, JinShui</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Biotechnology Research Abstracts</collection><collection>Environment Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Bioresource technology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, WeiJie</au><au>Wang, Kai</au><au>Li, BaoZhen</au><au>Yuan, HongLi</au><au>Yang, JinShui</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Production and characterization of an intracellular bioflocculant by Chryseobacterium daeguense W6 cultured in low nutrition medium</atitle><jtitle>Bioresource technology</jtitle><addtitle>Bioresour Technol</addtitle><date>2010-02-01</date><risdate>2010</risdate><volume>101</volume><issue>3</issue><spage>1044</spage><epage>1048</epage><pages>1044-1048</pages><issn>0960-8524</issn><eissn>1873-2976</eissn><abstract>A novel intracellular bioflocculant (named MBF-W6) produced by
Chryseobacterium daeguense W6 cultured in low nutrition medium was investigated in this study. The effects of carbon source, nitrogen source, C/N ratio, initial pH, inoculum size, culture temperature and shaking speed on MBF-W6 production were studied. Chemical analysis showed that the purified MBF-W6 was mainly composed of 32.4% protein, 13.1% polysaccharide and 6.8% nucleic acid. Fourier-transform infrared (FTIR) spectroscopy indicated the presence of carboxyl, hydroxyl, and methoxyl groups. The elemental analysis of purified MBF-W6 revealed that the mass proportion of C, H, O, N and S was 40.92:6.53:44.01:8.53:1.01 (w/w) correspondingly. MBF-W6 had good flocculating rate in Kaolin suspension without any cation addition. The highest flocculating rate of 96.9% was achieved under the optimal conditions (bioflocculant dosage 1.2
mg
l
−1, pH 5.6 and temperature 15
°C).</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><pmid>19766490</pmid><doi>10.1016/j.biortech.2009.08.108</doi><tpages>5</tpages></addata></record> |
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| subjects | Biological and medical sciences Bioreactors Carbon - chemistry Chryseobacterium Chryseobacterium - enzymology Chryseobacterium daeguense Culture Media Extracellular polymeric substances Fermentation Flocculant Flocculating rate Fundamental and applied biological sciences. Psychology Hydrogen - chemistry Hydrogen-Ion Concentration Intracellular bioflocculant Ions Metals - chemistry Nitrogen - chemistry Oxygen - chemistry Polymers - chemistry Polysaccharides - chemistry Spectroscopy, Fourier Transform Infrared - methods Sulfur - chemistry Temperature Water Purification - methods |
| title | Production and characterization of an intracellular bioflocculant by Chryseobacterium daeguense W6 cultured in low nutrition medium |
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