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Self-Organization and Catalytic Activity of the Poly(ethylene glycol)(10) Monododecyl Ether/Poly(ethyleneimine)/Lanthanum Nitrate System
The self-organization of the poly(ethylene glycol)(10)monododecyl ether (C12EO10)/poly(ethyleneimine) (PEI)/La(III)/water multicomponent system has been examined in the micellar and liquid-crystalline ranges. A step-by-step investigation of the catalytic effect toward the cleavage of phosphorus acid...
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| Published in: | Journal of physical chemistry. C 2007-09, Vol.111 (37), p.13839-13845 |
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| Main Authors: | , , , , , , , , , |
| Format: | Article |
| Language: | English |
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| cited_by | cdi_FETCH-LOGICAL-a297t-1b649ddd68977d755f100792f59b220632823d198edb6c443770fa6890dd73ca3 |
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| cites | cdi_FETCH-LOGICAL-a297t-1b649ddd68977d755f100792f59b220632823d198edb6c443770fa6890dd73ca3 |
| container_end_page | 13845 |
| container_issue | 37 |
| container_start_page | 13839 |
| container_title | Journal of physical chemistry. C |
| container_volume | 111 |
| creator | Zakharova, Lucia Ya Ibragimova, Alsu R. Valeeva, Farida G. Kudryavtseva, Lyudmila A. Konovalov, Alexander I. Zakharov, Andrey V. Selivanova, Nataliya M. Osipova, Valentina V. Strelkov, Mikhail V. Galyametdinov, Yuri G. |
| description | The self-organization of the poly(ethylene glycol)(10)monododecyl ether (C12EO10)/poly(ethyleneimine) (PEI)/La(III)/water multicomponent system has been examined in the micellar and liquid-crystalline ranges. A step-by-step investigation of the catalytic effect toward the cleavage of phosphorus acid esters was performed for the following series: single C12EO10 micelles → ternary C12EO10/PEI/water micellar system → quaternary C12EO10/PEI/La(III)/water micellar system → liquid-crystalline mesophase. The quaternary system was found to be an effective nanosized catalyst, demonstrating the complex mechanism of the catalytic action under mild conditions (25 °C, pH ≈ 8.0) and the substrate specificity toward the more hydrophobic phosphonate. A marked (ca. 1000-fold) acceleration of the reaction studied as compared to the basic hydrolysis of the substrates was achieved. |
| doi_str_mv | 10.1021/jp0716536 |
| format | article |
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C</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zakharova, Lucia Ya</au><au>Ibragimova, Alsu R.</au><au>Valeeva, Farida G.</au><au>Kudryavtseva, Lyudmila A.</au><au>Konovalov, Alexander I.</au><au>Zakharov, Andrey V.</au><au>Selivanova, Nataliya M.</au><au>Osipova, Valentina V.</au><au>Strelkov, Mikhail V.</au><au>Galyametdinov, Yuri G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Self-Organization and Catalytic Activity of the Poly(ethylene glycol)(10) Monododecyl Ether/Poly(ethyleneimine)/Lanthanum Nitrate System</atitle><jtitle>Journal of physical chemistry. C</jtitle><addtitle>J. Phys. Chem. C</addtitle><date>2007-09-20</date><risdate>2007</risdate><volume>111</volume><issue>37</issue><spage>13839</spage><epage>13845</epage><pages>13839-13845</pages><issn>1932-7447</issn><eissn>1932-7455</eissn><abstract>The self-organization of the poly(ethylene glycol)(10)monododecyl ether (C12EO10)/poly(ethyleneimine) (PEI)/La(III)/water multicomponent system has been examined in the micellar and liquid-crystalline ranges. A step-by-step investigation of the catalytic effect toward the cleavage of phosphorus acid esters was performed for the following series: single C12EO10 micelles → ternary C12EO10/PEI/water micellar system → quaternary C12EO10/PEI/La(III)/water micellar system → liquid-crystalline mesophase. The quaternary system was found to be an effective nanosized catalyst, demonstrating the complex mechanism of the catalytic action under mild conditions (25 °C, pH ≈ 8.0) and the substrate specificity toward the more hydrophobic phosphonate. A marked (ca. 1000-fold) acceleration of the reaction studied as compared to the basic hydrolysis of the substrates was achieved.</abstract><pub>American Chemical Society</pub><doi>10.1021/jp0716536</doi><tpages>7</tpages></addata></record> |
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| ispartof | Journal of physical chemistry. C, 2007-09, Vol.111 (37), p.13839-13845 |
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| language | eng |
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| source | American Chemical Society:Jisc Collections:American Chemical Society Read & Publish Agreement 2022-2024 (Reading list) |
| title | Self-Organization and Catalytic Activity of the Poly(ethylene glycol)(10) Monododecyl Ether/Poly(ethyleneimine)/Lanthanum Nitrate System |
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