Tailoring of TiO2 films by H2SO4 treatment and UV irradiation to improve anticoagulant ability and endothelial cell compatibility
[Display omitted] •TiO2H2SO4-UV showed good anticoagulant ability and good EC compatibility.•UV irradiation improved the anticoagulant ability of TiO2 films significantly.•H2SO4 treatment enhanced the anticoagulant ability of TiO2 films slightly.•H2SO4 treatment improved the EC compatibility of TiO2...
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| Veröffentlicht in: | Colloids and surfaces, B, Biointerfaces B, Biointerfaces, 2017-07, Vol.155, p.314-322 |
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| container_title | Colloids and surfaces, B, Biointerfaces |
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| creator | Liao, Yuzhen Li, Linhua Chen, Jiang Yang, Ping Zhao, Ansha Sun, Hong Huang, Nan |
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•TiO2H2SO4-UV showed good anticoagulant ability and good EC compatibility.•UV irradiation improved the anticoagulant ability of TiO2 films significantly.•H2SO4 treatment enhanced the anticoagulant ability of TiO2 films slightly.•H2SO4 treatment improved the EC compatibility of TiO2 films strongly.•Time-dependent degradation of anticoagulant ability of TiO2H2SO4-UV was found.
Surfaces with dual functions that simultaneously exhibit good anticoagulant ability and endothelial cell (EC) compatibility are desirable for blood contact materials. However, these dual functions have rarely been achieved by inorganic materials. In this study, titanium dioxide (TiO2) films were treated by sulphuric acid (H2SO4) and ultraviolet (UV) irradiation successively (TiO2H2SO4-UV), resulting in good anticoagulant ability and EC compatibility simultaneously. We found that UV irradiation improved the anticoagulant ability of TiO2 films significantly while enhancing EC compatibility, though not significantly. The enhanced anticoagulant ability could be related to the oxidation of surface-adsorbed hydrocarbons and increased hydrophilicity. The H2SO4 treatment improved the anticoagulant ability of TiO2 films slightly, while UV irradiation improved the anticoagulant ability strongly. The enhanced EC compatibility could be related to the increased surface roughness and positive charges on the surface of the TiO2 films. Furthermore, the time-dependent degradation of the enhanced EC compatibility and anticoagulant ability of TiO2H2SO4-UV was observed. In summary, TiO2H2SO4-UV expressed both excellent anticoagulant ability and good EC compatibility at the same time, which could be desirable for blood contact materials. However, the compatibility of TiO2H2SO4-UV with smooth muscle cells (SMCs) and macrophages was also improved. More effort is still needed to selectively improve EC compatibility on TiO2 films for better re-endothelialization. |
| doi_str_mv | 10.1016/j.colsurfb.2017.04.021 |
| format | Article |
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•TiO2H2SO4-UV showed good anticoagulant ability and good EC compatibility.•UV irradiation improved the anticoagulant ability of TiO2 films significantly.•H2SO4 treatment enhanced the anticoagulant ability of TiO2 films slightly.•H2SO4 treatment improved the EC compatibility of TiO2 films strongly.•Time-dependent degradation of anticoagulant ability of TiO2H2SO4-UV was found.
Surfaces with dual functions that simultaneously exhibit good anticoagulant ability and endothelial cell (EC) compatibility are desirable for blood contact materials. However, these dual functions have rarely been achieved by inorganic materials. In this study, titanium dioxide (TiO2) films were treated by sulphuric acid (H2SO4) and ultraviolet (UV) irradiation successively (TiO2H2SO4-UV), resulting in good anticoagulant ability and EC compatibility simultaneously. We found that UV irradiation improved the anticoagulant ability of TiO2 films significantly while enhancing EC compatibility, though not significantly. The enhanced anticoagulant ability could be related to the oxidation of surface-adsorbed hydrocarbons and increased hydrophilicity. The H2SO4 treatment improved the anticoagulant ability of TiO2 films slightly, while UV irradiation improved the anticoagulant ability strongly. The enhanced EC compatibility could be related to the increased surface roughness and positive charges on the surface of the TiO2 films. Furthermore, the time-dependent degradation of the enhanced EC compatibility and anticoagulant ability of TiO2H2SO4-UV was observed. In summary, TiO2H2SO4-UV expressed both excellent anticoagulant ability and good EC compatibility at the same time, which could be desirable for blood contact materials. However, the compatibility of TiO2H2SO4-UV with smooth muscle cells (SMCs) and macrophages was also improved. More effort is still needed to selectively improve EC compatibility on TiO2 films for better re-endothelialization.</description><identifier>ISSN: 0927-7765</identifier><identifier>EISSN: 1873-4367</identifier><identifier>DOI: 10.1016/j.colsurfb.2017.04.021</identifier><language>eng</language><publisher>Elsevier B.V</publisher><subject>Anticoagulant ability ; Endothelial cell (EC) compatibility ; H2SO4 treatment ; TiO2 films ; UV irradiation</subject><ispartof>Colloids and surfaces, B, Biointerfaces, 2017-07, Vol.155, p.314-322</ispartof><rights>2017 Elsevier B.V.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c382t-67ea093bbd83e88398eb1517ffdba9563497a78469a97a5b76c69d4af9bcd3de3</citedby><cites>FETCH-LOGICAL-c382t-67ea093bbd83e88398eb1517ffdba9563497a78469a97a5b76c69d4af9bcd3de3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.colsurfb.2017.04.021$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids></links><search><creatorcontrib>Liao, Yuzhen</creatorcontrib><creatorcontrib>Li, Linhua</creatorcontrib><creatorcontrib>Chen, Jiang</creatorcontrib><creatorcontrib>Yang, Ping</creatorcontrib><creatorcontrib>Zhao, Ansha</creatorcontrib><creatorcontrib>Sun, Hong</creatorcontrib><creatorcontrib>Huang, Nan</creatorcontrib><title>Tailoring of TiO2 films by H2SO4 treatment and UV irradiation to improve anticoagulant ability and endothelial cell compatibility</title><title>Colloids and surfaces, B, Biointerfaces</title><description>[Display omitted]
•TiO2H2SO4-UV showed good anticoagulant ability and good EC compatibility.•UV irradiation improved the anticoagulant ability of TiO2 films significantly.•H2SO4 treatment enhanced the anticoagulant ability of TiO2 films slightly.•H2SO4 treatment improved the EC compatibility of TiO2 films strongly.•Time-dependent degradation of anticoagulant ability of TiO2H2SO4-UV was found.
Surfaces with dual functions that simultaneously exhibit good anticoagulant ability and endothelial cell (EC) compatibility are desirable for blood contact materials. However, these dual functions have rarely been achieved by inorganic materials. In this study, titanium dioxide (TiO2) films were treated by sulphuric acid (H2SO4) and ultraviolet (UV) irradiation successively (TiO2H2SO4-UV), resulting in good anticoagulant ability and EC compatibility simultaneously. We found that UV irradiation improved the anticoagulant ability of TiO2 films significantly while enhancing EC compatibility, though not significantly. The enhanced anticoagulant ability could be related to the oxidation of surface-adsorbed hydrocarbons and increased hydrophilicity. The H2SO4 treatment improved the anticoagulant ability of TiO2 films slightly, while UV irradiation improved the anticoagulant ability strongly. The enhanced EC compatibility could be related to the increased surface roughness and positive charges on the surface of the TiO2 films. Furthermore, the time-dependent degradation of the enhanced EC compatibility and anticoagulant ability of TiO2H2SO4-UV was observed. In summary, TiO2H2SO4-UV expressed both excellent anticoagulant ability and good EC compatibility at the same time, which could be desirable for blood contact materials. However, the compatibility of TiO2H2SO4-UV with smooth muscle cells (SMCs) and macrophages was also improved. More effort is still needed to selectively improve EC compatibility on TiO2 films for better re-endothelialization.</description><subject>Anticoagulant ability</subject><subject>Endothelial cell (EC) compatibility</subject><subject>H2SO4 treatment</subject><subject>TiO2 films</subject><subject>UV irradiation</subject><issn>0927-7765</issn><issn>1873-4367</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNqFkEFv1DAQhS1EJZbCX0A-ckmw48SOb6AKaKVKe2DL1XLsSZmVEy-2t9Ie-8_xsuXMZWaked_ozSPkA2ctZ1x-2rcuhnxM89R2jKuW9S3r-Cuy4aMSTS-kek02THeqUUoOb8jbnPeMsa7nakOedxZDTLg-0jjTHW47OmNYMp1O9Lb7se1pSWDLAmuhdvX04SfFlKxHWzCutESKyyHFJ6jbgi7ax2OwZ-2EAcvpLwOrj-UXBLSBOgi1xOVQ-YvkHbmabcjw_qVfk4dvX3c3t8399vvdzZf7xomxK41UYJkW0-RHAeMo9AgTH7iaZz9ZPUjRa2XV2Ett6zBMSjqpfW9nPTkvPIhr8vFyt9r9fYRczIL5bMeuEI_Z8FGLYWBC8yqVF6lLMecEszkkXGw6Gc7MOXOzN_8yN-fMDetNzbyCny8g1EeeEJLJDmF14DGBK8ZH_N-JP1IJkKU</recordid><startdate>20170701</startdate><enddate>20170701</enddate><creator>Liao, Yuzhen</creator><creator>Li, Linhua</creator><creator>Chen, Jiang</creator><creator>Yang, Ping</creator><creator>Zhao, Ansha</creator><creator>Sun, Hong</creator><creator>Huang, Nan</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20170701</creationdate><title>Tailoring of TiO2 films by H2SO4 treatment and UV irradiation to improve anticoagulant ability and endothelial cell compatibility</title><author>Liao, Yuzhen ; Li, Linhua ; Chen, Jiang ; Yang, Ping ; Zhao, Ansha ; Sun, Hong ; Huang, Nan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c382t-67ea093bbd83e88398eb1517ffdba9563497a78469a97a5b76c69d4af9bcd3de3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Anticoagulant ability</topic><topic>Endothelial cell (EC) compatibility</topic><topic>H2SO4 treatment</topic><topic>TiO2 films</topic><topic>UV irradiation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liao, Yuzhen</creatorcontrib><creatorcontrib>Li, Linhua</creatorcontrib><creatorcontrib>Chen, Jiang</creatorcontrib><creatorcontrib>Yang, Ping</creatorcontrib><creatorcontrib>Zhao, Ansha</creatorcontrib><creatorcontrib>Sun, Hong</creatorcontrib><creatorcontrib>Huang, Nan</creatorcontrib><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Colloids and surfaces, B, Biointerfaces</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liao, Yuzhen</au><au>Li, Linhua</au><au>Chen, Jiang</au><au>Yang, Ping</au><au>Zhao, Ansha</au><au>Sun, Hong</au><au>Huang, Nan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Tailoring of TiO2 films by H2SO4 treatment and UV irradiation to improve anticoagulant ability and endothelial cell compatibility</atitle><jtitle>Colloids and surfaces, B, Biointerfaces</jtitle><date>2017-07-01</date><risdate>2017</risdate><volume>155</volume><spage>314</spage><epage>322</epage><pages>314-322</pages><issn>0927-7765</issn><eissn>1873-4367</eissn><abstract>[Display omitted]
•TiO2H2SO4-UV showed good anticoagulant ability and good EC compatibility.•UV irradiation improved the anticoagulant ability of TiO2 films significantly.•H2SO4 treatment enhanced the anticoagulant ability of TiO2 films slightly.•H2SO4 treatment improved the EC compatibility of TiO2 films strongly.•Time-dependent degradation of anticoagulant ability of TiO2H2SO4-UV was found.
Surfaces with dual functions that simultaneously exhibit good anticoagulant ability and endothelial cell (EC) compatibility are desirable for blood contact materials. However, these dual functions have rarely been achieved by inorganic materials. In this study, titanium dioxide (TiO2) films were treated by sulphuric acid (H2SO4) and ultraviolet (UV) irradiation successively (TiO2H2SO4-UV), resulting in good anticoagulant ability and EC compatibility simultaneously. We found that UV irradiation improved the anticoagulant ability of TiO2 films significantly while enhancing EC compatibility, though not significantly. The enhanced anticoagulant ability could be related to the oxidation of surface-adsorbed hydrocarbons and increased hydrophilicity. The H2SO4 treatment improved the anticoagulant ability of TiO2 films slightly, while UV irradiation improved the anticoagulant ability strongly. The enhanced EC compatibility could be related to the increased surface roughness and positive charges on the surface of the TiO2 films. Furthermore, the time-dependent degradation of the enhanced EC compatibility and anticoagulant ability of TiO2H2SO4-UV was observed. In summary, TiO2H2SO4-UV expressed both excellent anticoagulant ability and good EC compatibility at the same time, which could be desirable for blood contact materials. However, the compatibility of TiO2H2SO4-UV with smooth muscle cells (SMCs) and macrophages was also improved. More effort is still needed to selectively improve EC compatibility on TiO2 films for better re-endothelialization.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.colsurfb.2017.04.021</doi><tpages>9</tpages></addata></record> |
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| subjects | Anticoagulant ability Endothelial cell (EC) compatibility H2SO4 treatment TiO2 films UV irradiation |
| title | Tailoring of TiO2 films by H2SO4 treatment and UV irradiation to improve anticoagulant ability and endothelial cell compatibility |
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