Synthesis of silver-zeolite films on micropatterned porous alumina and its application as an antimicrobial substrate
In this study, we focus on synthesis of patterned-zeolite films and the potential application of a silver-derived form of this film as a biocidal agent. The synthetic strategy has been to develop a patterned porous alumina substrate using soft lithographic methods. These patterns have dimensions in...
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| Veröffentlicht in: | Microporous and mesoporous materials 2010-11, Vol.135 (1), p.131-136 |
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| container_title | Microporous and mesoporous materials |
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| creator | Sabbani, Supriya Gallego-Perez, Daniel Nagy, Amber James Waldman, W. Hansford, Derek Dutta, Prabir K. |
| description | In this study, we focus on synthesis of patterned-zeolite films and the potential application of a silver-derived form of this film as a biocidal agent. The synthetic strategy has been to develop a patterned porous alumina substrate using soft lithographic methods. These patterns have dimensions in the range of 5–100
μ. Previously patterned PDMS and PMMA molds were used to define surface microfeatures on the alumina supports. Zeolite films (2–3
μ) were then grown on the alumina using a seeding process followed by secondary growth. Electron microscopy showed that the zeolite film followed the pattern of the alumina substrate. Silver nanoparticles were grown on the surface of the zeolite film by reduction of the Ag
+ – exchanged zeolite with aqueous hydrazine. The antimicrobial properties of the patterned-zeolite films were successfully demonstrated using
Escherichia coli bacteria as the model system, complete bacteria eradication was noted within 120
min. Such patterned-zeolite films can be incorporated into a variety of systems, including fabrics, biomaterials, filters and thus can serve a wide range of uses. |
| doi_str_mv | 10.1016/j.micromeso.2010.06.020 |
| format | Article |
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μ. Previously patterned PDMS and PMMA molds were used to define surface microfeatures on the alumina supports. Zeolite films (2–3
μ) were then grown on the alumina using a seeding process followed by secondary growth. Electron microscopy showed that the zeolite film followed the pattern of the alumina substrate. Silver nanoparticles were grown on the surface of the zeolite film by reduction of the Ag
+ – exchanged zeolite with aqueous hydrazine. The antimicrobial properties of the patterned-zeolite films were successfully demonstrated using
Escherichia coli bacteria as the model system, complete bacteria eradication was noted within 120
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μ. Previously patterned PDMS and PMMA molds were used to define surface microfeatures on the alumina supports. Zeolite films (2–3
μ) were then grown on the alumina using a seeding process followed by secondary growth. Electron microscopy showed that the zeolite film followed the pattern of the alumina substrate. Silver nanoparticles were grown on the surface of the zeolite film by reduction of the Ag
+ – exchanged zeolite with aqueous hydrazine. The antimicrobial properties of the patterned-zeolite films were successfully demonstrated using
Escherichia coli bacteria as the model system, complete bacteria eradication was noted within 120
min. Such patterned-zeolite films can be incorporated into a variety of systems, including fabrics, biomaterials, filters and thus can serve a wide range of uses.</description><subject>Alumina membrane</subject><subject>Aluminum oxide</subject><subject>Antibacterial</subject><subject>Bacteria</subject><subject>Chemistry</subject><subject>Colloidal state and disperse state</subject><subject>Exact sciences and technology</subject><subject>General and physical chemistry</subject><subject>Ion-exchange</subject><subject>Membranes</subject><subject>Micropatterning</subject><subject>Molds</subject><subject>Nucleation</subject><subject>Patterned membranes</subject><subject>Physical and chemical studies. Granulometry. Electrokinetic phenomena</subject><subject>Polymethyl methacrylates</subject><subject>Porous materials</subject><subject>Reduction</subject><subject>Silver</subject><subject>Soft lithography</subject><subject>Surface physical chemistry</subject><subject>Synthesis</subject><subject>Zeolites</subject><subject>Zeolites: preparations and properties</subject><issn>1387-1811</issn><issn>1873-3093</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqFkEFvFSEUhYnRxPr0N8jGxM08uTBvBpZNo9WkSRfVNWGYS7wvDDMCr0n99dK-pls3wL2cw-F-jH0EsQcBw5fjfiGf1wXLupeidcWwF1K8YhegR9UpYdTrdlZ67EADvGXvSjkKASNIuGD17iHV31io8DXwQvEec_cX10gVeaC4tH7iTwmbqxVzwplva15Phbt4Wig57tLMqbZ62yJ5V6k5XCvbmio9eSdykZfTVGp2Fd-zN8HFgh-e9x379e3rz6vv3c3t9Y-ry5vO92Bqp9SgehMm5fpRGO1hgkEooVQ_K-0Pwjkw6jAarUKQxuhez9IE4ad-8lq0ux37fH53y-ufE5ZqFyoeY3QJ2wAWhhFUL_vGacfGs7R9tpSMwW6ZFpcfLAj7yNke7Qtn-8jZisE2zs356TnEFe9iyC55Ki92qSTIYTg03eVZh23ie8JsiydMHmfK6KudV_pv1j_x1JmU</recordid><startdate>20101101</startdate><enddate>20101101</enddate><creator>Sabbani, Supriya</creator><creator>Gallego-Perez, Daniel</creator><creator>Nagy, Amber</creator><creator>James Waldman, W.</creator><creator>Hansford, Derek</creator><creator>Dutta, Prabir K.</creator><general>Elsevier Inc</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QF</scope><scope>7QQ</scope><scope>7SR</scope><scope>7U5</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20101101</creationdate><title>Synthesis of silver-zeolite films on micropatterned porous alumina and its application as an antimicrobial substrate</title><author>Sabbani, Supriya ; Gallego-Perez, Daniel ; Nagy, Amber ; James Waldman, W. ; Hansford, Derek ; Dutta, Prabir K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c419t-336349fb3a47098c1b16030334d38c50aa19357983ff299848d29f0cb4bc80193</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Alumina membrane</topic><topic>Aluminum oxide</topic><topic>Antibacterial</topic><topic>Bacteria</topic><topic>Chemistry</topic><topic>Colloidal state and disperse state</topic><topic>Exact sciences and technology</topic><topic>General and physical chemistry</topic><topic>Ion-exchange</topic><topic>Membranes</topic><topic>Micropatterning</topic><topic>Molds</topic><topic>Nucleation</topic><topic>Patterned membranes</topic><topic>Physical and chemical studies. Granulometry. Electrokinetic phenomena</topic><topic>Polymethyl methacrylates</topic><topic>Porous materials</topic><topic>Reduction</topic><topic>Silver</topic><topic>Soft lithography</topic><topic>Surface physical chemistry</topic><topic>Synthesis</topic><topic>Zeolites</topic><topic>Zeolites: preparations and properties</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sabbani, Supriya</creatorcontrib><creatorcontrib>Gallego-Perez, Daniel</creatorcontrib><creatorcontrib>Nagy, Amber</creatorcontrib><creatorcontrib>James Waldman, W.</creatorcontrib><creatorcontrib>Hansford, Derek</creatorcontrib><creatorcontrib>Dutta, Prabir K.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Aluminium Industry Abstracts</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Microporous and mesoporous materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sabbani, Supriya</au><au>Gallego-Perez, Daniel</au><au>Nagy, Amber</au><au>James Waldman, W.</au><au>Hansford, Derek</au><au>Dutta, Prabir K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Synthesis of silver-zeolite films on micropatterned porous alumina and its application as an antimicrobial substrate</atitle><jtitle>Microporous and mesoporous materials</jtitle><date>2010-11-01</date><risdate>2010</risdate><volume>135</volume><issue>1</issue><spage>131</spage><epage>136</epage><pages>131-136</pages><issn>1387-1811</issn><eissn>1873-3093</eissn><abstract>In this study, we focus on synthesis of patterned-zeolite films and the potential application of a silver-derived form of this film as a biocidal agent. The synthetic strategy has been to develop a patterned porous alumina substrate using soft lithographic methods. These patterns have dimensions in the range of 5–100
μ. Previously patterned PDMS and PMMA molds were used to define surface microfeatures on the alumina supports. Zeolite films (2–3
μ) were then grown on the alumina using a seeding process followed by secondary growth. Electron microscopy showed that the zeolite film followed the pattern of the alumina substrate. Silver nanoparticles were grown on the surface of the zeolite film by reduction of the Ag
+ – exchanged zeolite with aqueous hydrazine. The antimicrobial properties of the patterned-zeolite films were successfully demonstrated using
Escherichia coli bacteria as the model system, complete bacteria eradication was noted within 120
min. Such patterned-zeolite films can be incorporated into a variety of systems, including fabrics, biomaterials, filters and thus can serve a wide range of uses.</abstract><cop>San Diego, CA</cop><pub>Elsevier Inc</pub><doi>10.1016/j.micromeso.2010.06.020</doi><tpages>6</tpages></addata></record> |
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| subjects | Alumina membrane Aluminum oxide Antibacterial Bacteria Chemistry Colloidal state and disperse state Exact sciences and technology General and physical chemistry Ion-exchange Membranes Micropatterning Molds Nucleation Patterned membranes Physical and chemical studies. Granulometry. Electrokinetic phenomena Polymethyl methacrylates Porous materials Reduction Silver Soft lithography Surface physical chemistry Synthesis Zeolites Zeolites: preparations and properties |
| title | Synthesis of silver-zeolite films on micropatterned porous alumina and its application as an antimicrobial substrate |
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