Incorporation of a FRET dye pair into mesoporous materials: a comparison of fluorescence spectra, FRET activity and dye accessibility
Fluorescein and rhodamine B modified mesoporous silica particles were synthesized by post-grafting and co-condensation approaches. The materials exhibited different pore size distributions, particle shapes and sizes. The materials were characterized by nitrogen sorption, scanning electron microscopy...
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Veröffentlicht in: | Analyst (London) 2015-08, Vol.14 (15), p.5324-5334 |
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description | Fluorescein and rhodamine B modified mesoporous silica particles were synthesized by post-grafting and co-condensation approaches. The materials exhibited different pore size distributions, particle shapes and sizes. The materials were characterized by nitrogen sorption, scanning electron microscopy and fluorescence spectroscopy. The Förster resonance energy transfer between the selected dye pair was explored for the different materials by exposure to various concentrations of gaseous ammonia. A logarithmic increase in rhodamine B emission with increasing ammonia concentration was observed for both post-grafted and co-condensed materials. The dye accessibility by ammonia gas in the silica framework of mesoporous materials was evaluated by using a flow cell gas sensor setup built in-house. Response to ammonia gas and recovery with nitrogen gas are explained by comparing the structure properties and dye loading of the materials. The post-grafted dye modified silica showed better performance in terms of reversibility and recovery.
The incorporation of fluorescent dyes into mesoporous silicates was investigated as potential FRET based systems for gas sensing applications with better response than non-particulate systems. |
doi_str_mv | 10.1039/c5an00850f |
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The incorporation of fluorescent dyes into mesoporous silicates was investigated as potential FRET based systems for gas sensing applications with better response than non-particulate systems.</description><subject>Accessibility</subject><subject>Ammonia</subject><subject>Dyes</subject><subject>Fluorescence</subject><subject>Fretting</subject><subject>Materials selection</subject><subject>Rhodamine</subject><subject>Silicon dioxide</subject><issn>0003-2654</issn><issn>1364-5528</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNqF0V9L3TAYBvAwlHl0u_F-Eu_GsNub5l_rnRw8myAKw12X9G0CkbapSY9wPsC-t5l17s5dhSS_PCR5CDlm8JUBr7-hNCNAJcG9IyvGlSikLKs9sgIAXpRKigNymNJ9njKQ8J4clAq01EKsyO-rEUOcQjSzDyMNjhq6-Xl5R7udpZPxkfpxDnSwKWQUtokOZrbRmz6dZ4phmEz0aTnq-m2INqEd0dI0WZyjOVviDM7-0c87asbuOdsg2pR86_u8-oHsu5xoP76MR-TX5vJu_aO4vv1-tb64LlCAmAupuw4r7uoWndaKo9VCdcKZsuRKdxyrUjEmXWWQA9oSGGutVkK7GmqwLT8in5fcKYaHrU1zM_h83b43o81va5hmVS1A52_9L1W1YjXke2X6ZaEYQ0rRumaKfjBx1zBo_jTUrOXFzXNDm4xPXnK37WC7V_q3kgxOFxATvu7-q7iZOpfNp7cMfwKZxaGi</recordid><startdate>20150807</startdate><enddate>20150807</enddate><creator>Widmer, Susanne</creator><creator>Reber, Michael J</creator><creator>Müller, Patrick</creator><creator>Housecroft, Catherine E</creator><creator>Constable, Edwin C</creator><creator>Rossi, René M</creator><creator>Brühwiler, Dominik</creator><creator>Scherer, Lukas J</creator><creator>Boesel, Luciano F</creator><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7SR</scope><scope>7SU</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20150807</creationdate><title>Incorporation of a FRET dye pair into mesoporous materials: a comparison of fluorescence spectra, FRET activity and dye accessibility</title><author>Widmer, Susanne ; Reber, Michael J ; Müller, Patrick ; Housecroft, Catherine E ; Constable, Edwin C ; Rossi, René M ; Brühwiler, Dominik ; Scherer, Lukas J ; Boesel, Luciano F</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c404t-57ddc83f9bcf7763ce746d4fa22367d3c826115f8ac30ce2011be7647f9090eb3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2015</creationdate><topic>Accessibility</topic><topic>Ammonia</topic><topic>Dyes</topic><topic>Fluorescence</topic><topic>Fretting</topic><topic>Materials selection</topic><topic>Rhodamine</topic><topic>Silicon dioxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Widmer, Susanne</creatorcontrib><creatorcontrib>Reber, Michael J</creatorcontrib><creatorcontrib>Müller, Patrick</creatorcontrib><creatorcontrib>Housecroft, Catherine E</creatorcontrib><creatorcontrib>Constable, Edwin C</creatorcontrib><creatorcontrib>Rossi, René M</creatorcontrib><creatorcontrib>Brühwiler, Dominik</creatorcontrib><creatorcontrib>Scherer, Lukas J</creatorcontrib><creatorcontrib>Boesel, Luciano F</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Engineered Materials Abstracts</collection><collection>Environmental Engineering Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Analyst (London)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Widmer, Susanne</au><au>Reber, Michael J</au><au>Müller, Patrick</au><au>Housecroft, Catherine E</au><au>Constable, Edwin C</au><au>Rossi, René M</au><au>Brühwiler, Dominik</au><au>Scherer, Lukas J</au><au>Boesel, Luciano F</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Incorporation of a FRET dye pair into mesoporous materials: a comparison of fluorescence spectra, FRET activity and dye accessibility</atitle><jtitle>Analyst (London)</jtitle><addtitle>Analyst</addtitle><date>2015-08-07</date><risdate>2015</risdate><volume>14</volume><issue>15</issue><spage>5324</spage><epage>5334</epage><pages>5324-5334</pages><issn>0003-2654</issn><eissn>1364-5528</eissn><abstract>Fluorescein and rhodamine B modified mesoporous silica particles were synthesized by post-grafting and co-condensation approaches. The materials exhibited different pore size distributions, particle shapes and sizes. The materials were characterized by nitrogen sorption, scanning electron microscopy and fluorescence spectroscopy. The Förster resonance energy transfer between the selected dye pair was explored for the different materials by exposure to various concentrations of gaseous ammonia. A logarithmic increase in rhodamine B emission with increasing ammonia concentration was observed for both post-grafted and co-condensed materials. The dye accessibility by ammonia gas in the silica framework of mesoporous materials was evaluated by using a flow cell gas sensor setup built in-house. Response to ammonia gas and recovery with nitrogen gas are explained by comparing the structure properties and dye loading of the materials. The post-grafted dye modified silica showed better performance in terms of reversibility and recovery.
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source | Royal Society of Chemistry Journals Archive (1841-2007); Royal Society Of Chemistry Journals 2008-; Alma/SFX Local Collection |
subjects | Accessibility Ammonia Dyes Fluorescence Fretting Materials selection Rhodamine Silicon dioxide |
title | Incorporation of a FRET dye pair into mesoporous materials: a comparison of fluorescence spectra, FRET activity and dye accessibility |
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