DNA Multilayer Films on Planar and Colloidal Supports: Sequential Assembly of Like-Charged Polyelectrolytes
Multilayer films comprising solely negatively charged polyelectrolytes were sequentially assembled based on DNA hybridization. Films prepared from alternating layers of two-block homopolymeric nucleotides (polyA20G20/polyT20C20) grew linearly with increasing layer number, as verified by quartz cryst...
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| Veröffentlicht in: | Nano letters 2005-05, Vol.5 (5), p.953-956 |
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| container_title | Nano letters |
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| creator | Johnston, Angus P. R Read, Elizabeth S Caruso, Frank |
| description | Multilayer films comprising solely negatively charged polyelectrolytes were sequentially assembled based on DNA hybridization. Films prepared from alternating layers of two-block homopolymeric nucleotides (polyA20G20/polyT20C20) grew linearly with increasing layer number, as verified by quartz crystal microgravimetry, UV−vis spectrophotometry and optical microscopy. Urea treatment of the films induced morphological changes, while exposure to low ionic strength solutions resulted in film disassembly. DNA multilayer films were also formed on silica particles, and DNA hollow capsules were obtained following dissolution of the template core. |
| doi_str_mv | 10.1021/nl050608b |
| format | Article |
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DNA multilayer films were also formed on silica particles, and DNA hollow capsules were obtained following dissolution of the template core.</description><identifier>ISSN: 1530-6984</identifier><identifier>EISSN: 1530-6992</identifier><identifier>DOI: 10.1021/nl050608b</identifier><identifier>PMID: 15884901</identifier><language>eng</language><publisher>Washington, DC: American Chemical Society</publisher><subject>Adsorption ; Applied sciences ; Coated Materials, Biocompatible - analysis ; Coated Materials, Biocompatible - chemistry ; Colloids - analysis ; Colloids - chemistry ; Condensed matter: structure, mechanical and thermal properties ; Crystallization - methods ; DNA - analysis ; DNA - chemistry ; DNA - ultrastructure ; Electrolytes - chemistry ; Electronics ; Exact sciences and technology ; Materials Testing ; Membranes, Artificial ; Microelectronic fabrication (materials and surfaces technology) ; Nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals ; Nanotechnology - methods ; Physics ; Semiconductor electronics. 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R</creatorcontrib><creatorcontrib>Read, Elizabeth S</creatorcontrib><creatorcontrib>Caruso, Frank</creatorcontrib><title>DNA Multilayer Films on Planar and Colloidal Supports: Sequential Assembly of Like-Charged Polyelectrolytes</title><title>Nano letters</title><addtitle>Nano Lett</addtitle><description>Multilayer films comprising solely negatively charged polyelectrolytes were sequentially assembled based on DNA hybridization. Films prepared from alternating layers of two-block homopolymeric nucleotides (polyA20G20/polyT20C20) grew linearly with increasing layer number, as verified by quartz crystal microgravimetry, UV−vis spectrophotometry and optical microscopy. Urea treatment of the films induced morphological changes, while exposure to low ionic strength solutions resulted in film disassembly. DNA multilayer films were also formed on silica particles, and DNA hollow capsules were obtained following dissolution of the template core.</description><subject>Adsorption</subject><subject>Applied sciences</subject><subject>Coated Materials, Biocompatible - analysis</subject><subject>Coated Materials, Biocompatible - chemistry</subject><subject>Colloids - analysis</subject><subject>Colloids - chemistry</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Crystallization - methods</subject><subject>DNA - analysis</subject><subject>DNA - chemistry</subject><subject>DNA - ultrastructure</subject><subject>Electrolytes - chemistry</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Materials Testing</subject><subject>Membranes, Artificial</subject><subject>Microelectronic fabrication (materials and surfaces technology)</subject><subject>Nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals</subject><subject>Nanotechnology - methods</subject><subject>Physics</subject><subject>Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices</subject><subject>Silicon Dioxide - chemistry</subject><subject>Structure of solids and liquids; crystallography</subject><issn>1530-6984</issn><issn>1530-6992</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNptkLtOwzAUhi0EglIYeAHkBSSGgN3YicNWlatUoBIwRyf2CaQ4cbGToRsrr8mTEEQFDEzn19Gnc_kI2ePsmLMRP2kskyxhqlgjAy5jFiVZNlr_yUpske0Q5oyxLJZsk2xxqZTIGB-Q5ux2TG8621YWlujpRWXrQF1DZxYa8BQaQyfOWlcZsPS-Wyycb8Ppx9s7vcfXDpu26vvjELAu7JK6kk6rF4wmz-Cf0NCZs0u0qFvfhxbDDtkowQbcXdUhebw4f5hcRdO7y-vJeBqBYFkboZQGsxiRjYoUmTFYQKJ4zIUpi9IIJbTikHIAwRmoGKSMtZGy0IkBKWQ8JIffcxfe9VeGNq-roNH2T6HrQp6kimdpnPbg0TeovQvBY5kvfFWDX-ac5V9y8x-5Pbu_GtoVNZpfcmWzBw5WAAQNtvTQ6Cr8ckmaJiL7w4EO-dx1vuld_LPwE6B7j68</recordid><startdate>20050501</startdate><enddate>20050501</enddate><creator>Johnston, Angus P. 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Microelectronics. Optoelectronics. Solid state devices</topic><topic>Silicon Dioxide - chemistry</topic><topic>Structure of solids and liquids; crystallography</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Johnston, Angus P. R</creatorcontrib><creatorcontrib>Read, Elizabeth S</creatorcontrib><creatorcontrib>Caruso, Frank</creatorcontrib><collection>Pascal-Francis</collection><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>Nano letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Johnston, Angus P. R</au><au>Read, Elizabeth S</au><au>Caruso, Frank</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>DNA Multilayer Films on Planar and Colloidal Supports: Sequential Assembly of Like-Charged Polyelectrolytes</atitle><jtitle>Nano letters</jtitle><addtitle>Nano Lett</addtitle><date>2005-05-01</date><risdate>2005</risdate><volume>5</volume><issue>5</issue><spage>953</spage><epage>956</epage><pages>953-956</pages><issn>1530-6984</issn><eissn>1530-6992</eissn><abstract>Multilayer films comprising solely negatively charged polyelectrolytes were sequentially assembled based on DNA hybridization. Films prepared from alternating layers of two-block homopolymeric nucleotides (polyA20G20/polyT20C20) grew linearly with increasing layer number, as verified by quartz crystal microgravimetry, UV−vis spectrophotometry and optical microscopy. Urea treatment of the films induced morphological changes, while exposure to low ionic strength solutions resulted in film disassembly. DNA multilayer films were also formed on silica particles, and DNA hollow capsules were obtained following dissolution of the template core.</abstract><cop>Washington, DC</cop><pub>American Chemical Society</pub><pmid>15884901</pmid><doi>10.1021/nl050608b</doi><tpages>4</tpages></addata></record> |
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| source | MEDLINE; American Chemical Society Journals |
| subjects | Adsorption Applied sciences Coated Materials, Biocompatible - analysis Coated Materials, Biocompatible - chemistry Colloids - analysis Colloids - chemistry Condensed matter: structure, mechanical and thermal properties Crystallization - methods DNA - analysis DNA - chemistry DNA - ultrastructure Electrolytes - chemistry Electronics Exact sciences and technology Materials Testing Membranes, Artificial Microelectronic fabrication (materials and surfaces technology) Nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals Nanotechnology - methods Physics Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Silicon Dioxide - chemistry Structure of solids and liquids crystallography |
| title | DNA Multilayer Films on Planar and Colloidal Supports: Sequential Assembly of Like-Charged Polyelectrolytes |
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