Phase diagram of the system sodium alginate/water: A model for biofilms
Sodium alginate is a polyelectrolyte consisting of the monomer units β- d-mannuronate and α- l-guluronate. Mainly based on the theory of Khokhlow et al., the state diagram of the binary system alginate/water has been calculated using different sets of parameters like degree of ionization, degree of...
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| Veröffentlicht in: | International journal of biological macromolecules 2005-06, Vol.35 (5), p.247-256 |
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| container_title | International journal of biological macromolecules |
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| creator | Borchard, W. Kenning, A. Kapp, A. Mayer, C. |
| description | Sodium alginate is a polyelectrolyte consisting of the monomer units β-
d-mannuronate and α-
l-guluronate. Mainly based on the theory of Khokhlow et al., the state diagram of the binary system alginate/water has been calculated using different sets of parameters like degree of ionization, degree of polymerization and interaction function. The calculations comprise miscibility gaps, liquidus curves, eutectic points and the behaviour at temperatures below the melting point of water. Also gel and swelling curves have been treated, where gels are physically crosslinked. The DSC diagram of a 0.5 by wt.% polymer sol shows a double melting peak, which is explained by a heterogeneity above 0
°C. The crystallization of water seems to concentrate the gelled system irreversibly. |
| doi_str_mv | 10.1016/j.ijbiomac.2005.02.006 |
| format | Article |
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d-mannuronate and α-
l-guluronate. Mainly based on the theory of Khokhlow et al., the state diagram of the binary system alginate/water has been calculated using different sets of parameters like degree of ionization, degree of polymerization and interaction function. The calculations comprise miscibility gaps, liquidus curves, eutectic points and the behaviour at temperatures below the melting point of water. Also gel and swelling curves have been treated, where gels are physically crosslinked. The DSC diagram of a 0.5 by wt.% polymer sol shows a double melting peak, which is explained by a heterogeneity above 0
°C. The crystallization of water seems to concentrate the gelled system irreversibly.</description><identifier>ISSN: 0141-8130</identifier><identifier>EISSN: 1879-0003</identifier><identifier>DOI: 10.1016/j.ijbiomac.2005.02.006</identifier><identifier>PMID: 15862863</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>Alginates - chemistry ; Biofilms ; Demixing ; Eutectic temperature ; Freezing point depression ; Gels - chemistry ; Glucuronic Acid - chemistry ; Hexuronic Acids - chemistry ; Phase Transition ; Sodium alginate ; State diagram of polyelectrolyte/water ; Swelling curve ; Thermodynamics ; Water - chemistry</subject><ispartof>International journal of biological macromolecules, 2005-06, Vol.35 (5), p.247-256</ispartof><rights>2005 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c366t-8b463987bedbe5b7d480bab4e81c552fccc26ef9e54d5dfa8c903cb64c81bad33</citedby><cites>FETCH-LOGICAL-c366t-8b463987bedbe5b7d480bab4e81c552fccc26ef9e54d5dfa8c903cb64c81bad33</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0141813005000310$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15862863$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Borchard, W.</creatorcontrib><creatorcontrib>Kenning, A.</creatorcontrib><creatorcontrib>Kapp, A.</creatorcontrib><creatorcontrib>Mayer, C.</creatorcontrib><title>Phase diagram of the system sodium alginate/water: A model for biofilms</title><title>International journal of biological macromolecules</title><addtitle>Int J Biol Macromol</addtitle><description>Sodium alginate is a polyelectrolyte consisting of the monomer units β-
d-mannuronate and α-
l-guluronate. Mainly based on the theory of Khokhlow et al., the state diagram of the binary system alginate/water has been calculated using different sets of parameters like degree of ionization, degree of polymerization and interaction function. The calculations comprise miscibility gaps, liquidus curves, eutectic points and the behaviour at temperatures below the melting point of water. Also gel and swelling curves have been treated, where gels are physically crosslinked. The DSC diagram of a 0.5 by wt.% polymer sol shows a double melting peak, which is explained by a heterogeneity above 0
°C. The crystallization of water seems to concentrate the gelled system irreversibly.</description><subject>Alginates - chemistry</subject><subject>Biofilms</subject><subject>Demixing</subject><subject>Eutectic temperature</subject><subject>Freezing point depression</subject><subject>Gels - chemistry</subject><subject>Glucuronic Acid - chemistry</subject><subject>Hexuronic Acids - chemistry</subject><subject>Phase Transition</subject><subject>Sodium alginate</subject><subject>State diagram of polyelectrolyte/water</subject><subject>Swelling curve</subject><subject>Thermodynamics</subject><subject>Water - chemistry</subject><issn>0141-8130</issn><issn>1879-0003</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkMtOwzAQRS0EoqXwC5VX7BLsPByXFVUFBakSLGBt-TFpHcV1sRNQ_55ULWLJZkYa3Tt35iA0pSSlhLK7JrWNst5JnWaElCnJUkLYGRpTXs0SQkh-jsaEFjThNCcjdBVjM0xZSfklGtGSs4yzfIyWbxsZARsr10E67GvcbQDHfezA4eiN7R2W7dpuZQd330MJ93iOnTfQ4toHPNxQ29bFa3RRyzbCzalP0MfT4_viOVm9Ll8W81Wic8a6hKuC5TNeKTAKSlWZghMlVQGc6rLMaq11xqCeQVmY0tSS6xnJtWKF5lRJk-cTdHvcuwv-s4fYCWejhraVW_B9FKziNMsKPgjZUaiDjzFALXbBOhn2ghJxQCga8YtQHBAKkokB0GCcnhJ65cD82U7MBsHDUQDDn18WgojawlaDsQF0J4y3_2X8AKUIhmY</recordid><startdate>20050601</startdate><enddate>20050601</enddate><creator>Borchard, W.</creator><creator>Kenning, A.</creator><creator>Kapp, A.</creator><creator>Mayer, C.</creator><general>Elsevier B.V</general><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>7X8</scope></search><sort><creationdate>20050601</creationdate><title>Phase diagram of the system sodium alginate/water: A model for biofilms</title><author>Borchard, W. ; Kenning, A. ; Kapp, A. ; Mayer, C.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c366t-8b463987bedbe5b7d480bab4e81c552fccc26ef9e54d5dfa8c903cb64c81bad33</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Alginates - chemistry</topic><topic>Biofilms</topic><topic>Demixing</topic><topic>Eutectic temperature</topic><topic>Freezing point depression</topic><topic>Gels - chemistry</topic><topic>Glucuronic Acid - chemistry</topic><topic>Hexuronic Acids - chemistry</topic><topic>Phase Transition</topic><topic>Sodium alginate</topic><topic>State diagram of polyelectrolyte/water</topic><topic>Swelling curve</topic><topic>Thermodynamics</topic><topic>Water - chemistry</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Borchard, W.</creatorcontrib><creatorcontrib>Kenning, A.</creatorcontrib><creatorcontrib>Kapp, A.</creatorcontrib><creatorcontrib>Mayer, C.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>International journal of biological macromolecules</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Borchard, W.</au><au>Kenning, A.</au><au>Kapp, A.</au><au>Mayer, C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Phase diagram of the system sodium alginate/water: A model for biofilms</atitle><jtitle>International journal of biological macromolecules</jtitle><addtitle>Int J Biol Macromol</addtitle><date>2005-06-01</date><risdate>2005</risdate><volume>35</volume><issue>5</issue><spage>247</spage><epage>256</epage><pages>247-256</pages><issn>0141-8130</issn><eissn>1879-0003</eissn><abstract>Sodium alginate is a polyelectrolyte consisting of the monomer units β-
d-mannuronate and α-
l-guluronate. Mainly based on the theory of Khokhlow et al., the state diagram of the binary system alginate/water has been calculated using different sets of parameters like degree of ionization, degree of polymerization and interaction function. The calculations comprise miscibility gaps, liquidus curves, eutectic points and the behaviour at temperatures below the melting point of water. Also gel and swelling curves have been treated, where gels are physically crosslinked. The DSC diagram of a 0.5 by wt.% polymer sol shows a double melting peak, which is explained by a heterogeneity above 0
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| identifier | ISSN: 0141-8130 |
| ispartof | International journal of biological macromolecules, 2005-06, Vol.35 (5), p.247-256 |
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| language | eng |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Alginates - chemistry Biofilms Demixing Eutectic temperature Freezing point depression Gels - chemistry Glucuronic Acid - chemistry Hexuronic Acids - chemistry Phase Transition Sodium alginate State diagram of polyelectrolyte/water Swelling curve Thermodynamics Water - chemistry |
| title | Phase diagram of the system sodium alginate/water: A model for biofilms |
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