Fluorescent dye adsorption on nanocarbon substrates through electrostatic interactions
Nanodiamonds (NDs) with modified surface functional groups and surface characteristics are an attractive model to understand adsorption mechanisms of molecules on substrates. The research described in this paper illustrates the binding mechanisms of fluorescent dyes to ND surfaces as these interacti...
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| Veröffentlicht in: | Diamond and related materials 2010-02, Vol.19 (2), p.234-237 |
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| creator | Gibson, N.M. Luo, T.J.M. Shenderova, O. Choi, Y.J. Fitzgerald, Z. Brenner, D.W. |
| description | Nanodiamonds (NDs) with modified surface functional groups and surface characteristics are an attractive model to understand adsorption mechanisms of molecules on substrates. The research described in this paper illustrates the binding mechanisms of fluorescent dyes to ND surfaces as these interactions are extremely useful in many biomedical ND applications. A thorough study of binding and release mechanisms was completed using an assortment of carbon based nanoparticles, including NDs, onion-like carbon, and single-wall nanohorns. Surface charge interactions were studied in combination with surface areas, configurations, and modifications in order to determine which is responsible for the largest adsorption capacity and strongest binding. Adsorption studies were carried out using UV–Vis measurements followed by maximum binding capacity determination using the Langmuir isotherm and related transform equations. Langmuir and transform calculations further reveal the specific surface area covered by adsorbents for select nanocarbon materials. In addition, cyclic voltammetry measurements confirm that dye adsorbed onto NDs exhibits equal electrochemical properties as in its unbound state. |
| doi_str_mv | 10.1016/j.diamond.2009.10.005 |
| format | Article |
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The research described in this paper illustrates the binding mechanisms of fluorescent dyes to ND surfaces as these interactions are extremely useful in many biomedical ND applications. A thorough study of binding and release mechanisms was completed using an assortment of carbon based nanoparticles, including NDs, onion-like carbon, and single-wall nanohorns. Surface charge interactions were studied in combination with surface areas, configurations, and modifications in order to determine which is responsible for the largest adsorption capacity and strongest binding. Adsorption studies were carried out using UV–Vis measurements followed by maximum binding capacity determination using the Langmuir isotherm and related transform equations. Langmuir and transform calculations further reveal the specific surface area covered by adsorbents for select nanocarbon materials. 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The research described in this paper illustrates the binding mechanisms of fluorescent dyes to ND surfaces as these interactions are extremely useful in many biomedical ND applications. A thorough study of binding and release mechanisms was completed using an assortment of carbon based nanoparticles, including NDs, onion-like carbon, and single-wall nanohorns. Surface charge interactions were studied in combination with surface areas, configurations, and modifications in order to determine which is responsible for the largest adsorption capacity and strongest binding. Adsorption studies were carried out using UV–Vis measurements followed by maximum binding capacity determination using the Langmuir isotherm and related transform equations. Langmuir and transform calculations further reveal the specific surface area covered by adsorbents for select nanocarbon materials. In addition, cyclic voltammetry measurements confirm that dye adsorbed onto NDs exhibits equal electrochemical properties as in its unbound state.</description><subject>Adsorption</subject><subject>Binding</subject><subject>Biomaterial</subject><subject>Carbon</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Cross-disciplinary physics: materials science; rheology</subject><subject>Exact sciences and technology</subject><subject>Fullerenes and related materials; diamonds, graphite</subject><subject>Materials science</subject><subject>Mathematical models</subject><subject>Nanocomposites</subject><subject>Nanodiamond</subject><subject>Nanomaterials</subject><subject>Nanoparticle</subject><subject>Nanoscale materials and structures: fabrication and characterization</subject><subject>Nanostructure</subject><subject>Other topics in nanoscale materials and structures</subject><subject>Physics</subject><subject>Solid surfaces and solid-solid interfaces</subject><subject>Specific materials</subject><subject>Surface chemistry</subject><subject>Surface modification</subject><subject>Surfaces and interfaces; 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Luo, T.J.M. ; Shenderova, O. ; Choi, Y.J. ; Fitzgerald, Z. ; Brenner, D.W.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c371t-ce5f20557599d1062163123857a89151064133c4f5ea900499367bef5cab48ab3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Adsorption</topic><topic>Binding</topic><topic>Biomaterial</topic><topic>Carbon</topic><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Cross-disciplinary physics: materials science; rheology</topic><topic>Exact sciences and technology</topic><topic>Fullerenes and related materials; diamonds, graphite</topic><topic>Materials science</topic><topic>Mathematical models</topic><topic>Nanocomposites</topic><topic>Nanodiamond</topic><topic>Nanomaterials</topic><topic>Nanoparticle</topic><topic>Nanoscale materials and structures: fabrication and characterization</topic><topic>Nanostructure</topic><topic>Other topics in nanoscale materials and structures</topic><topic>Physics</topic><topic>Solid surfaces and solid-solid interfaces</topic><topic>Specific materials</topic><topic>Surface chemistry</topic><topic>Surface modification</topic><topic>Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gibson, N.M.</creatorcontrib><creatorcontrib>Luo, T.J.M.</creatorcontrib><creatorcontrib>Shenderova, O.</creatorcontrib><creatorcontrib>Choi, Y.J.</creatorcontrib><creatorcontrib>Fitzgerald, Z.</creatorcontrib><creatorcontrib>Brenner, D.W.</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Diamond and related materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gibson, N.M.</au><au>Luo, T.J.M.</au><au>Shenderova, O.</au><au>Choi, Y.J.</au><au>Fitzgerald, Z.</au><au>Brenner, D.W.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Fluorescent dye adsorption on nanocarbon substrates through electrostatic interactions</atitle><jtitle>Diamond and related materials</jtitle><date>2010-02-01</date><risdate>2010</risdate><volume>19</volume><issue>2</issue><spage>234</spage><epage>237</epage><pages>234-237</pages><issn>0925-9635</issn><eissn>1879-0062</eissn><abstract>Nanodiamonds (NDs) with modified surface functional groups and surface characteristics are an attractive model to understand adsorption mechanisms of molecules on substrates. The research described in this paper illustrates the binding mechanisms of fluorescent dyes to ND surfaces as these interactions are extremely useful in many biomedical ND applications. A thorough study of binding and release mechanisms was completed using an assortment of carbon based nanoparticles, including NDs, onion-like carbon, and single-wall nanohorns. Surface charge interactions were studied in combination with surface areas, configurations, and modifications in order to determine which is responsible for the largest adsorption capacity and strongest binding. Adsorption studies were carried out using UV–Vis measurements followed by maximum binding capacity determination using the Langmuir isotherm and related transform equations. Langmuir and transform calculations further reveal the specific surface area covered by adsorbents for select nanocarbon materials. 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| subjects | Adsorption Binding Biomaterial Carbon Condensed matter: structure, mechanical and thermal properties Cross-disciplinary physics: materials science rheology Exact sciences and technology Fullerenes and related materials diamonds, graphite Materials science Mathematical models Nanocomposites Nanodiamond Nanomaterials Nanoparticle Nanoscale materials and structures: fabrication and characterization Nanostructure Other topics in nanoscale materials and structures Physics Solid surfaces and solid-solid interfaces Specific materials Surface chemistry Surface modification Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties) |
| title | Fluorescent dye adsorption on nanocarbon substrates through electrostatic interactions |
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