Enhancement of optical properties of dyes for bioprobes by freezing effect of molecular motion using POSS-core dendrimers
We demonstrate that the POSS-core dendrimer induced various kinds of favourable properties of trisvinyl-pyridinium triphenylamine (TP3PY) as a bioprobe. By using the amphiphilicity of the POSS core, the complexes of TP3PY with G2 POSS-core dendrimer were prepared, and the series of properties were i...
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| Veröffentlicht in: | Bioorganic & medicinal chemistry 2012-01, Vol.20 (2), p.915-919 |
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| creator | Tanaka, Kazuo Jeon, Jong-Hwan Inafuku, Kenichi Chujo, Yoshiki |
| description | We demonstrate that the POSS-core dendrimer induced various kinds of favourable properties of trisvinyl-pyridinium triphenylamine (TP3PY) as a bioprobe. By using the amphiphilicity of the POSS core, the complexes of TP3PY with G2 POSS-core dendrimer were prepared, and the series of properties were investigated for the application as a bioprobe. Initially, it was shown that the adsorption of TP3PY onto the vessels was highly prohibited by the complex formation with the dendrimers. The solution states of the dendrimer complexes were maintained at least for 7days. Moreover, it was found that the improvement of quantum yields and the elongation of fluorescent lifetimes were observed by the complexation with the dendrimers. Similar photochemical properties were obtained in a glassy state of 2-methyltetrahydrofuranat –196°C. The molecular rotations occurring at the excited state could be restricted by the complex formation with dendrimers. These characteristics induced by the complexation with the POSS-core dendrimer are of significance to improve the signal to noise ratio and the accuracy on the detection as a bioprobe. |
| doi_str_mv | 10.1016/j.bmc.2011.11.055 |
| format | Article |
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By using the amphiphilicity of the POSS core, the complexes of TP3PY with G2 POSS-core dendrimer were prepared, and the series of properties were investigated for the application as a bioprobe. Initially, it was shown that the adsorption of TP3PY onto the vessels was highly prohibited by the complex formation with the dendrimers. The solution states of the dendrimer complexes were maintained at least for 7days. Moreover, it was found that the improvement of quantum yields and the elongation of fluorescent lifetimes were observed by the complexation with the dendrimers. Similar photochemical properties were obtained in a glassy state of 2-methyltetrahydrofuranat –196°C. The molecular rotations occurring at the excited state could be restricted by the complex formation with dendrimers. 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By using the amphiphilicity of the POSS core, the complexes of TP3PY with G2 POSS-core dendrimer were prepared, and the series of properties were investigated for the application as a bioprobe. Initially, it was shown that the adsorption of TP3PY onto the vessels was highly prohibited by the complex formation with the dendrimers. The solution states of the dendrimer complexes were maintained at least for 7days. Moreover, it was found that the improvement of quantum yields and the elongation of fluorescent lifetimes were observed by the complexation with the dendrimers. Similar photochemical properties were obtained in a glassy state of 2-methyltetrahydrofuranat –196°C. The molecular rotations occurring at the excited state could be restricted by the complex formation with dendrimers. These characteristics induced by the complexation with the POSS-core dendrimer are of significance to improve the signal to noise ratio and the accuracy on the detection as a bioprobe.</description><subject>adsorption</subject><subject>Biosensing Techniques</subject><subject>Coloring Agents - chemistry</subject><subject>Dendrimer</subject><subject>Dendrimers - chemistry</subject><subject>Dual emission</subject><subject>dyes</subject><subject>fluorescence</subject><subject>Freezing</subject><subject>NIR dye</subject><subject>optical properties</subject><subject>Organosilicon Compounds - chemistry</subject><subject>POSS</subject><subject>Quantum Theory</subject><subject>Spectrometry, Fluorescence</subject><subject>TICT</subject><issn>0968-0896</issn><issn>1464-3391</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2012</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkU1v1DAQhi0EokvhB3CB3DhlGTt2EosTqsqHVKlIS8-WY4-LV0m82AnS8uuZZQtHkEYafzzvq7Ffxl5y2HLg7dv9dpjcVgDnWypQ6hHbcNnKumk0f8w2oNu-hl63F-xZKXsAEFLzp-xCCN4L1bUbdryev9nZ4YTzUqVQpcMSnR2rQ04HzEvEcjr1R-oh5WqIiW4G2g3HKmTEn3G-rzAEdL_lUxrRraPNtFpimqu1nIAvt7td7VLGyuPsc5wwl-fsSbBjwRcP_ZLdfbj-evWpvrn9-Pnq_U3tZCeXepDY9XzQLW-5VOC6RlkNOkDXaY-6VwO4IJ0W3gbwPnArpAiWO-gU9FI1l-zN2ZcG_75iWcwUi8NxtDOmtRgtGq51C_r_JG-V6JQSRPIz6XIqJWMwB3qUzUfDwZyiMXtD0ZhTNIaKoiHNqwf3dZjQ_1X8yYKA12cg2GTsfY7F3O3IQQG5AKieiHdnAum_fkTMpriIlJ6PmQIwPsV_DPALztWoug</recordid><startdate>20120115</startdate><enddate>20120115</enddate><creator>Tanaka, Kazuo</creator><creator>Jeon, Jong-Hwan</creator><creator>Inafuku, Kenichi</creator><creator>Chujo, Yoshiki</creator><general>Elsevier Ltd</general><scope>FBQ</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7QO</scope><scope>8FD</scope><scope>FR3</scope><scope>P64</scope></search><sort><creationdate>20120115</creationdate><title>Enhancement of optical properties of dyes for bioprobes by freezing effect of molecular motion using POSS-core dendrimers</title><author>Tanaka, Kazuo ; Jeon, Jong-Hwan ; Inafuku, Kenichi ; Chujo, Yoshiki</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c474t-b4e781b96161450c735a909f0779de985b0cf4c92daf0ddf1a242fa1c07508453</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2012</creationdate><topic>adsorption</topic><topic>Biosensing Techniques</topic><topic>Coloring Agents - chemistry</topic><topic>Dendrimer</topic><topic>Dendrimers - chemistry</topic><topic>Dual emission</topic><topic>dyes</topic><topic>fluorescence</topic><topic>Freezing</topic><topic>NIR dye</topic><topic>optical properties</topic><topic>Organosilicon Compounds - chemistry</topic><topic>POSS</topic><topic>Quantum Theory</topic><topic>Spectrometry, Fluorescence</topic><topic>TICT</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tanaka, Kazuo</creatorcontrib><creatorcontrib>Jeon, Jong-Hwan</creatorcontrib><creatorcontrib>Inafuku, Kenichi</creatorcontrib><creatorcontrib>Chujo, Yoshiki</creatorcontrib><collection>AGRIS</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><collection>Biotechnology Research Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><jtitle>Bioorganic & medicinal chemistry</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tanaka, Kazuo</au><au>Jeon, Jong-Hwan</au><au>Inafuku, Kenichi</au><au>Chujo, Yoshiki</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Enhancement of optical properties of dyes for bioprobes by freezing effect of molecular motion using POSS-core dendrimers</atitle><jtitle>Bioorganic & medicinal chemistry</jtitle><addtitle>Bioorg Med Chem</addtitle><date>2012-01-15</date><risdate>2012</risdate><volume>20</volume><issue>2</issue><spage>915</spage><epage>919</epage><pages>915-919</pages><issn>0968-0896</issn><eissn>1464-3391</eissn><abstract>We demonstrate that the POSS-core dendrimer induced various kinds of favourable properties of trisvinyl-pyridinium triphenylamine (TP3PY) as a bioprobe. By using the amphiphilicity of the POSS core, the complexes of TP3PY with G2 POSS-core dendrimer were prepared, and the series of properties were investigated for the application as a bioprobe. Initially, it was shown that the adsorption of TP3PY onto the vessels was highly prohibited by the complex formation with the dendrimers. The solution states of the dendrimer complexes were maintained at least for 7days. Moreover, it was found that the improvement of quantum yields and the elongation of fluorescent lifetimes were observed by the complexation with the dendrimers. Similar photochemical properties were obtained in a glassy state of 2-methyltetrahydrofuranat –196°C. The molecular rotations occurring at the excited state could be restricted by the complex formation with dendrimers. 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| source | MEDLINE; ScienceDirect Journals (5 years ago - present) |
| subjects | adsorption Biosensing Techniques Coloring Agents - chemistry Dendrimer Dendrimers - chemistry Dual emission dyes fluorescence Freezing NIR dye optical properties Organosilicon Compounds - chemistry POSS Quantum Theory Spectrometry, Fluorescence TICT |
| title | Enhancement of optical properties of dyes for bioprobes by freezing effect of molecular motion using POSS-core dendrimers |
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