Electrophoretic deposition of chitosan
The electrophoretic deposition (EPD) of chitosan on metallic substrates was investigated. The electrophoretic mobility of the natural biopolymer in aqueous solution as a function of pH was studied. Because the protonation/deporotonation of chitosan is pH-dependent, the electrophoretic mobility and d...
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| Veröffentlicht in: | Materials letters 2009-10, Vol.63 (26), p.2253-2256 |
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| container_title | Materials letters |
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| creator | Simchi, A. Pishbin, F. Boccaccini, A.R. |
| description | The electrophoretic deposition (EPD) of chitosan on metallic substrates was investigated. The electrophoretic mobility of the natural biopolymer in aqueous solution as a function of pH was studied. Because the protonation/deporotonation of chitosan is pH-dependent, the electrophoretic mobility and deposition rate is shown to increase with increasing pH from 2.9 to 4.1. The film growth rate is estimated to vary in the range 0.02–0.08
µm/s depending on the pH value. At high growth rates (>
0.05
µm/s), a porous film is obtained due to hydrogen entrapment. The EPD method developed here is applicable for the surface modification of metal implants by chitosan to develop novel bioactive coatings. |
| doi_str_mv | 10.1016/j.matlet.2009.07.046 |
| format | Article |
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µm/s depending on the pH value. At high growth rates (>
0.05
µm/s), a porous film is obtained due to hydrogen entrapment. The EPD method developed here is applicable for the surface modification of metal implants by chitosan to develop novel bioactive coatings.</description><identifier>ISSN: 0167-577X</identifier><identifier>EISSN: 1873-4979</identifier><identifier>DOI: 10.1016/j.matlet.2009.07.046</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Biomaterials ; Charge mobility ; Chitosan ; Deposition ; Kinetics</subject><ispartof>Materials letters, 2009-10, Vol.63 (26), p.2253-2256</ispartof><rights>2009 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c337t-39dd8ae1cbea97419b40ea18f8728c8482d8e6604e6328c9db50385a43e3522f3</citedby><cites>FETCH-LOGICAL-c337t-39dd8ae1cbea97419b40ea18f8728c8482d8e6604e6328c9db50385a43e3522f3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.matlet.2009.07.046$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids></links><search><creatorcontrib>Simchi, A.</creatorcontrib><creatorcontrib>Pishbin, F.</creatorcontrib><creatorcontrib>Boccaccini, A.R.</creatorcontrib><title>Electrophoretic deposition of chitosan</title><title>Materials letters</title><description>The electrophoretic deposition (EPD) of chitosan on metallic substrates was investigated. The electrophoretic mobility of the natural biopolymer in aqueous solution as a function of pH was studied. Because the protonation/deporotonation of chitosan is pH-dependent, the electrophoretic mobility and deposition rate is shown to increase with increasing pH from 2.9 to 4.1. The film growth rate is estimated to vary in the range 0.02–0.08
µm/s depending on the pH value. At high growth rates (>
0.05
µm/s), a porous film is obtained due to hydrogen entrapment. The EPD method developed here is applicable for the surface modification of metal implants by chitosan to develop novel bioactive coatings.</description><subject>Biomaterials</subject><subject>Charge mobility</subject><subject>Chitosan</subject><subject>Deposition</subject><subject>Kinetics</subject><issn>0167-577X</issn><issn>1873-4979</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNp9kMFKAzEURYMoWKt_4KKr7mZ8mWQmyUaQUqtQcKPgLqTJG5oynYxJKvj3ThnXrh5czr3wDiH3FEoKtHk4lEeTO8xlBaBKECXw5oLMqBSs4EqoSzIbMVHUQnxek5uUDgDAFfAZWa47tDmGYR8iZm8XDoeQfPahX4R2Yfc-h2T6W3LVmi7h3d-dk4_n9fvqpdi-bV5XT9vCMiZywZRz0iC1OzRKcKp2HNBQ2UpRSSu5rJzEpgGODRsD5XY1MFkbzpDVVdWyOVlOu0MMXydMWR99sth1psdwSppx0VDB5AjyCbQxpBSx1UP0RxN_NAV9lqIPepKiz1I0CD1KGWuPUw3HJ749Rp2sx96i83H0oF3w_w_8AoUZbDo</recordid><startdate>20091031</startdate><enddate>20091031</enddate><creator>Simchi, A.</creator><creator>Pishbin, F.</creator><creator>Boccaccini, A.R.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20091031</creationdate><title>Electrophoretic deposition of chitosan</title><author>Simchi, A. ; Pishbin, F. ; Boccaccini, A.R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c337t-39dd8ae1cbea97419b40ea18f8728c8482d8e6604e6328c9db50385a43e3522f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Biomaterials</topic><topic>Charge mobility</topic><topic>Chitosan</topic><topic>Deposition</topic><topic>Kinetics</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Simchi, A.</creatorcontrib><creatorcontrib>Pishbin, F.</creatorcontrib><creatorcontrib>Boccaccini, A.R.</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Materials letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Simchi, A.</au><au>Pishbin, F.</au><au>Boccaccini, A.R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electrophoretic deposition of chitosan</atitle><jtitle>Materials letters</jtitle><date>2009-10-31</date><risdate>2009</risdate><volume>63</volume><issue>26</issue><spage>2253</spage><epage>2256</epage><pages>2253-2256</pages><issn>0167-577X</issn><eissn>1873-4979</eissn><abstract>The electrophoretic deposition (EPD) of chitosan on metallic substrates was investigated. The electrophoretic mobility of the natural biopolymer in aqueous solution as a function of pH was studied. Because the protonation/deporotonation of chitosan is pH-dependent, the electrophoretic mobility and deposition rate is shown to increase with increasing pH from 2.9 to 4.1. The film growth rate is estimated to vary in the range 0.02–0.08
µm/s depending on the pH value. At high growth rates (>
0.05
µm/s), a porous film is obtained due to hydrogen entrapment. The EPD method developed here is applicable for the surface modification of metal implants by chitosan to develop novel bioactive coatings.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.matlet.2009.07.046</doi><tpages>4</tpages></addata></record> |
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| ispartof | Materials letters, 2009-10, Vol.63 (26), p.2253-2256 |
| issn | 0167-577X 1873-4979 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Biomaterials Charge mobility Chitosan Deposition Kinetics |
| title | Electrophoretic deposition of chitosan |
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