Understanding and tailoring the degradation of PVA-tyramine hydrogels
ABSTRACT We have previously reported on a hydrogel system fabricated from poly(vinyl alcohol) (PVA) functionalized with tyramine groups (PVA‐Tyr) that has the ability to co‐polymerize with proteins in their native state. These gels were also shown to be hydrolytically degradable through the ester gr...
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| Veröffentlicht in: | Journal of applied polymer science 2015-07, Vol.132 (26), p.np-n/a |
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| creator | Lim, Khoon S. Roberts, Justine J. Alves, Marie-Helene Poole-Warren, Laura A. Martens, Penny J. |
| description | ABSTRACT
We have previously reported on a hydrogel system fabricated from poly(vinyl alcohol) (PVA) functionalized with tyramine groups (PVA‐Tyr) that has the ability to co‐polymerize with proteins in their native state. These gels were also shown to be hydrolytically degradable through the ester groups present in the functional groups. In this article, the hydrolytic degradation of the PVA‐Tyr gels is shown to be strongly dependant on pH, where at pH |
| doi_str_mv | 10.1002/app.42142 |
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We have previously reported on a hydrogel system fabricated from poly(vinyl alcohol) (PVA) functionalized with tyramine groups (PVA‐Tyr) that has the ability to co‐polymerize with proteins in their native state. These gels were also shown to be hydrolytically degradable through the ester groups present in the functional groups. In this article, the hydrolytic degradation of the PVA‐Tyr gels is shown to be strongly dependant on pH, where at pH < 7.4 the lack of ionization of the tyramine groups resulted in slower hydrolysis. The gels' degradation was also highly influenced by temperature, where heat (>25°C) was required to facilitate the hydrolysis of the ester bonds. Moreover, the degradation rates were successfully tailored between 19 to 27 days by varying the hydrogels' initial macromer concentration. It was highlighted that the cross‐linking density was dependant on the sodium persulphate to tyramine ratio, as well as the viscosity of the macromer solution. © 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 42142.</description><identifier>ISSN: 0021-8995</identifier><identifier>EISSN: 1097-4628</identifier><identifier>DOI: 10.1002/app.42142</identifier><identifier>CODEN: JAPNAB</identifier><language>eng</language><publisher>Hoboken: Blackwell Publishing Ltd</publisher><subject>biomaterials ; Copolymerization ; Degradation ; Density ; Esters ; Gels ; Hydrogels ; Hydrolysis ; Ionization ; Materials science ; photopolymerization ; Polymers ; Viscosity</subject><ispartof>Journal of applied polymer science, 2015-07, Vol.132 (26), p.np-n/a</ispartof><rights>2015 Wiley Periodicals, Inc.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4382-14bafcee807459a96bd63994aa98116ca9690fb9c8ea61910fdcfe11e41744d43</citedby><cites>FETCH-LOGICAL-c4382-14bafcee807459a96bd63994aa98116ca9690fb9c8ea61910fdcfe11e41744d43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fapp.42142$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fapp.42142$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids></links><search><creatorcontrib>Lim, Khoon S.</creatorcontrib><creatorcontrib>Roberts, Justine J.</creatorcontrib><creatorcontrib>Alves, Marie-Helene</creatorcontrib><creatorcontrib>Poole-Warren, Laura A.</creatorcontrib><creatorcontrib>Martens, Penny J.</creatorcontrib><title>Understanding and tailoring the degradation of PVA-tyramine hydrogels</title><title>Journal of applied polymer science</title><addtitle>J. Appl. Polym. Sci</addtitle><description>ABSTRACT
We have previously reported on a hydrogel system fabricated from poly(vinyl alcohol) (PVA) functionalized with tyramine groups (PVA‐Tyr) that has the ability to co‐polymerize with proteins in their native state. These gels were also shown to be hydrolytically degradable through the ester groups present in the functional groups. In this article, the hydrolytic degradation of the PVA‐Tyr gels is shown to be strongly dependant on pH, where at pH < 7.4 the lack of ionization of the tyramine groups resulted in slower hydrolysis. The gels' degradation was also highly influenced by temperature, where heat (>25°C) was required to facilitate the hydrolysis of the ester bonds. Moreover, the degradation rates were successfully tailored between 19 to 27 days by varying the hydrogels' initial macromer concentration. It was highlighted that the cross‐linking density was dependant on the sodium persulphate to tyramine ratio, as well as the viscosity of the macromer solution. © 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 42142.</description><subject>biomaterials</subject><subject>Copolymerization</subject><subject>Degradation</subject><subject>Density</subject><subject>Esters</subject><subject>Gels</subject><subject>Hydrogels</subject><subject>Hydrolysis</subject><subject>Ionization</subject><subject>Materials science</subject><subject>photopolymerization</subject><subject>Polymers</subject><subject>Viscosity</subject><issn>0021-8995</issn><issn>1097-4628</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNp1kEFPwzAMhSMEEmNw4B9U4gKHbnGbJs1xwBiICSbExjHKWnfr6NqSdIL-ezIGHJA4Pdn-nm09Qk6B9oDSoK_ruscCYMEe6QCVwmc8iPdJx83Aj6WMDsmRtStKASLKO2Q4LVM0ttFlmpcLz4nX6LyozLZqluiluDA61U1elV6VeZPZwG9ao9d5id6yTU21wMIek4NMFxZPvrVLpjfD56tbf_w4ursajP2EhXHgA5vrLEGMqWCR1JLPUx5KybSWMQBPXEfSbC6TGDUHCTRLkwwBkIFgLGVhl5zv9tametugbdQ6twkWhS6x2lgFPI6ECKModOjZH3RVbUzpvnOUcNeAwpa62FGJqaw1mKna5GttWgVUbQNVLlD1Fahj-zv2PS-w_R9Ug8nkx-HvHLlt8OPXoc2r4iIUkXp5GKnr-JI_ifuZGoWf53eFTw</recordid><startdate>20150710</startdate><enddate>20150710</enddate><creator>Lim, Khoon S.</creator><creator>Roberts, Justine J.</creator><creator>Alves, Marie-Helene</creator><creator>Poole-Warren, Laura A.</creator><creator>Martens, Penny J.</creator><general>Blackwell Publishing Ltd</general><general>Wiley Subscription Services, Inc</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope><scope>7U5</scope><scope>FR3</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>20150710</creationdate><title>Understanding and tailoring the degradation of PVA-tyramine hydrogels</title><author>Lim, Khoon S. ; Roberts, Justine J. ; Alves, Marie-Helene ; Poole-Warren, Laura A. ; Martens, Penny J.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4382-14bafcee807459a96bd63994aa98116ca9690fb9c8ea61910fdcfe11e41744d43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>biomaterials</topic><topic>Copolymerization</topic><topic>Degradation</topic><topic>Density</topic><topic>Esters</topic><topic>Gels</topic><topic>Hydrogels</topic><topic>Hydrolysis</topic><topic>Ionization</topic><topic>Materials science</topic><topic>photopolymerization</topic><topic>Polymers</topic><topic>Viscosity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lim, Khoon S.</creatorcontrib><creatorcontrib>Roberts, Justine J.</creatorcontrib><creatorcontrib>Alves, Marie-Helene</creatorcontrib><creatorcontrib>Poole-Warren, Laura A.</creatorcontrib><creatorcontrib>Martens, Penny J.</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of applied polymer science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lim, Khoon S.</au><au>Roberts, Justine J.</au><au>Alves, Marie-Helene</au><au>Poole-Warren, Laura A.</au><au>Martens, Penny J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Understanding and tailoring the degradation of PVA-tyramine hydrogels</atitle><jtitle>Journal of applied polymer science</jtitle><addtitle>J. Appl. Polym. Sci</addtitle><date>2015-07-10</date><risdate>2015</risdate><volume>132</volume><issue>26</issue><spage>np</spage><epage>n/a</epage><pages>np-n/a</pages><issn>0021-8995</issn><eissn>1097-4628</eissn><coden>JAPNAB</coden><abstract>ABSTRACT
We have previously reported on a hydrogel system fabricated from poly(vinyl alcohol) (PVA) functionalized with tyramine groups (PVA‐Tyr) that has the ability to co‐polymerize with proteins in their native state. These gels were also shown to be hydrolytically degradable through the ester groups present in the functional groups. In this article, the hydrolytic degradation of the PVA‐Tyr gels is shown to be strongly dependant on pH, where at pH < 7.4 the lack of ionization of the tyramine groups resulted in slower hydrolysis. The gels' degradation was also highly influenced by temperature, where heat (>25°C) was required to facilitate the hydrolysis of the ester bonds. Moreover, the degradation rates were successfully tailored between 19 to 27 days by varying the hydrogels' initial macromer concentration. It was highlighted that the cross‐linking density was dependant on the sodium persulphate to tyramine ratio, as well as the viscosity of the macromer solution. © 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2015, 132, 42142.</abstract><cop>Hoboken</cop><pub>Blackwell Publishing Ltd</pub><doi>10.1002/app.42142</doi><tpages>9</tpages></addata></record> |
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| subjects | biomaterials Copolymerization Degradation Density Esters Gels Hydrogels Hydrolysis Ionization Materials science photopolymerization Polymers Viscosity |
| title | Understanding and tailoring the degradation of PVA-tyramine hydrogels |
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