Modelling the effects of alcohol ethoxylates on diffusion of pesticides in the cuticular wax of Chenopodium album leaves
Cuticular waxes represent the first and, in most cases, the limiting barrier for foliar uptake of pesticides from solution. Sorption of pesticides in reconstituted cuticular wax (wax/water partition coefficients) of Chenopodium album L. and in isolated cuticular membranes (cuticle/water partition co...
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Veröffentlicht in: | Pest management science 2006-02, Vol.62 (2), p.137-147 |
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description | Cuticular waxes represent the first and, in most cases, the limiting barrier for foliar uptake of pesticides from solution. Sorption of pesticides in reconstituted cuticular wax (wax/water partition coefficients) of Chenopodium album L. and in isolated cuticular membranes (cuticle/water partition coefficients) of Prunus laurocerasus L. was determined. Diffusion coefficients of pesticides in reconstituted cuticular wax of C. album leaves were size-dependent, increasing with increasing molar volume. In the presence of alcohol ethoxylates, diffusion coefficients were enhanced by up to two orders of magnitude, and size selectivity was significantly decreased. The accelerating effect and the decrease in size selectivity were attributed to plasticisation of the cuticular wax by the alcohol ethoxylates increasing the fluidity in the wax. A free volume model adopted from polymer science was successfully applied to predict diffusion coefficients of pesticides on the basis of the transport properties of the wax (size selectivity and crystallinity), the molar volume of the diffusing compound and the accelerator concentration in the wax. |
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Sorption of pesticides in reconstituted cuticular wax (wax/water partition coefficients) of Chenopodium album L. and in isolated cuticular membranes (cuticle/water partition coefficients) of Prunus laurocerasus L. was determined. Diffusion coefficients of pesticides in reconstituted cuticular wax of C. album leaves were size-dependent, increasing with increasing molar volume. In the presence of alcohol ethoxylates, diffusion coefficients were enhanced by up to two orders of magnitude, and size selectivity was significantly decreased. The accelerating effect and the decrease in size selectivity were attributed to plasticisation of the cuticular wax by the alcohol ethoxylates increasing the fluidity in the wax. A free volume model adopted from polymer science was successfully applied to predict diffusion coefficients of pesticides on the basis of the transport properties of the wax (size selectivity and crystallinity), the molar volume of the diffusing compound and the accelerator concentration in the wax.</description><identifier>ISSN: 1526-498X</identifier><identifier>EISSN: 1526-4998</identifier><identifier>DOI: 10.1002/ps.1139</identifier><identifier>PMID: 16308869</identifier><identifier>CODEN: PMSCFC</identifier><language>eng</language><publisher>Chichester, UK: John Wiley & Sons, Ltd</publisher><subject>accelerator ; adjuvants ; alcohol ethoxylate ; alcohols ; application rate ; Biological and medical sciences ; Chenopodium album ; Chenopodium album - metabolism ; cuticular wax ; Diffusion ; diffusion coefficient ; epicuticular wax ; equations ; Ethers - chemistry ; Ethers - pharmacokinetics ; Flowers & plants ; Fundamental and applied biological sciences. Psychology ; Glycols - chemistry ; Glycols - pharmacokinetics ; herbicides ; Herbicides - pharmacokinetics ; leaves ; mathematical models ; mechanism of action ; Models, Biological ; Molecular Weight ; Parasitic plants. Weeds ; partition coefficient ; pesticide adjuvants ; Pesticide Synergists - pharmacokinetics ; Pesticides ; Phytopathology. Animal pests. Plant and forest protection ; plant cuticle ; Plant Leaves - metabolism ; Sorption ; Waxes - metabolism ; weed biology ; weed control ; Weeds</subject><ispartof>Pest management science, 2006-02, Vol.62 (2), p.137-147</ispartof><rights>Copyright © 2005 Society of Chemical Industry</rights><rights>2006 INIST-CNRS</rights><rights>Copyright (c) 2005 Society of Chemical Industry.</rights><rights>Copyright John Wiley and Sons, Limited Feb 2006</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4349-9627118f6399ed8e0ecc202b2a97493ebc880d78c3e647dce2b3234dda4174fa3</citedby><cites>FETCH-LOGICAL-c4349-9627118f6399ed8e0ecc202b2a97493ebc880d78c3e647dce2b3234dda4174fa3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fps.1139$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fps.1139$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>315,781,785,1418,27929,27930,45579,45580</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17422150$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/16308869$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Burghardt, M</creatorcontrib><creatorcontrib>Friedmann, A</creatorcontrib><creatorcontrib>Schreiber, L</creatorcontrib><creatorcontrib>Riederer, M</creatorcontrib><title>Modelling the effects of alcohol ethoxylates on diffusion of pesticides in the cuticular wax of Chenopodium album leaves</title><title>Pest management science</title><addtitle>Pest. Manag. Sci</addtitle><description>Cuticular waxes represent the first and, in most cases, the limiting barrier for foliar uptake of pesticides from solution. Sorption of pesticides in reconstituted cuticular wax (wax/water partition coefficients) of Chenopodium album L. and in isolated cuticular membranes (cuticle/water partition coefficients) of Prunus laurocerasus L. was determined. Diffusion coefficients of pesticides in reconstituted cuticular wax of C. album leaves were size-dependent, increasing with increasing molar volume. In the presence of alcohol ethoxylates, diffusion coefficients were enhanced by up to two orders of magnitude, and size selectivity was significantly decreased. The accelerating effect and the decrease in size selectivity were attributed to plasticisation of the cuticular wax by the alcohol ethoxylates increasing the fluidity in the wax. A free volume model adopted from polymer science was successfully applied to predict diffusion coefficients of pesticides on the basis of the transport properties of the wax (size selectivity and crystallinity), the molar volume of the diffusing compound and the accelerator concentration in the wax.</description><subject>accelerator</subject><subject>adjuvants</subject><subject>alcohol ethoxylate</subject><subject>alcohols</subject><subject>application rate</subject><subject>Biological and medical sciences</subject><subject>Chenopodium album</subject><subject>Chenopodium album - metabolism</subject><subject>cuticular wax</subject><subject>Diffusion</subject><subject>diffusion coefficient</subject><subject>epicuticular wax</subject><subject>equations</subject><subject>Ethers - chemistry</subject><subject>Ethers - pharmacokinetics</subject><subject>Flowers & plants</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Glycols - chemistry</subject><subject>Glycols - pharmacokinetics</subject><subject>herbicides</subject><subject>Herbicides - pharmacokinetics</subject><subject>leaves</subject><subject>mathematical models</subject><subject>mechanism of action</subject><subject>Models, Biological</subject><subject>Molecular Weight</subject><subject>Parasitic plants. Weeds</subject><subject>partition coefficient</subject><subject>pesticide adjuvants</subject><subject>Pesticide Synergists - pharmacokinetics</subject><subject>Pesticides</subject><subject>Phytopathology. Animal pests. Plant and forest protection</subject><subject>plant cuticle</subject><subject>Plant Leaves - metabolism</subject><subject>Sorption</subject><subject>Waxes - metabolism</subject><subject>weed biology</subject><subject>weed control</subject><subject>Weeds</subject><issn>1526-498X</issn><issn>1526-4998</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp10F1v0zAUBmALgdhWEP8AIiTEBcrwV5P4ElVsA5UPrUwgbizHPl493DjYCWv_PS6ptitubOv40XuODkLPCD4lGNO3fTolhIkH6JjMaVVyIZqHd-_mxxE6SekGYyyEoI_REakYbppKHKPtp2DAe9ddF8MaCrAW9JCKYAvldVgHX8CwDtudVwPkclcYZ-2YXH5l00ManHYmf7nuX4Aec2H0Kha3arsnizV0oQ_GjZsc2ebTg_oD6Ql6ZJVP8PRwz9DV2ftvi4ty-eX8w-LdstSccVGKitaENLZiQoBpAIPWFNOWKlFzwaDVTYNN3WgGFa-NBtoyyrgxipOaW8Vm6OWU28fwe8zzypswxi63lJTSqqpp9jP0ekI6hpQiWNlHt1FxJwmW-wXLPsn9grN8fogb2w2Ye3fYaAavDkAlrbyNqtMu3buaU0rmOLs3k7t1Hnb_6ye_rg5ty0m7NMD2Tqv4S1Y1q-fy--dz2ZDLy4ufq6X8mP2LyVsVpLqOeYKrFcWEYYLnXBDG_gIYVanq</recordid><startdate>200602</startdate><enddate>200602</enddate><creator>Burghardt, M</creator><creator>Friedmann, A</creator><creator>Schreiber, L</creator><creator>Riederer, M</creator><general>John Wiley & Sons, Ltd</general><general>Wiley</general><general>Wiley Subscription Services, Inc</general><scope>FBQ</scope><scope>BSCLL</scope><scope>IQODW</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>7QR</scope><scope>7SS</scope><scope>7ST</scope><scope>7T7</scope><scope>7U7</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>P64</scope><scope>SOI</scope></search><sort><creationdate>200602</creationdate><title>Modelling the effects of alcohol ethoxylates on diffusion of pesticides in the cuticular wax of Chenopodium album leaves</title><author>Burghardt, M ; Friedmann, A ; Schreiber, L ; Riederer, M</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4349-9627118f6399ed8e0ecc202b2a97493ebc880d78c3e647dce2b3234dda4174fa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>accelerator</topic><topic>adjuvants</topic><topic>alcohol ethoxylate</topic><topic>alcohols</topic><topic>application rate</topic><topic>Biological and medical sciences</topic><topic>Chenopodium album</topic><topic>Chenopodium album - metabolism</topic><topic>cuticular wax</topic><topic>Diffusion</topic><topic>diffusion coefficient</topic><topic>epicuticular wax</topic><topic>equations</topic><topic>Ethers - chemistry</topic><topic>Ethers - pharmacokinetics</topic><topic>Flowers & plants</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Glycols - chemistry</topic><topic>Glycols - pharmacokinetics</topic><topic>herbicides</topic><topic>Herbicides - pharmacokinetics</topic><topic>leaves</topic><topic>mathematical models</topic><topic>mechanism of action</topic><topic>Models, Biological</topic><topic>Molecular Weight</topic><topic>Parasitic plants. Weeds</topic><topic>partition coefficient</topic><topic>pesticide adjuvants</topic><topic>Pesticide Synergists - pharmacokinetics</topic><topic>Pesticides</topic><topic>Phytopathology. Animal pests. Plant and forest protection</topic><topic>plant cuticle</topic><topic>Plant Leaves - metabolism</topic><topic>Sorption</topic><topic>Waxes - metabolism</topic><topic>weed biology</topic><topic>weed control</topic><topic>Weeds</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Burghardt, M</creatorcontrib><creatorcontrib>Friedmann, A</creatorcontrib><creatorcontrib>Schreiber, L</creatorcontrib><creatorcontrib>Riederer, M</creatorcontrib><collection>AGRIS</collection><collection>Istex</collection><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>Chemoreception Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Environment Abstracts</collection><collection>Industrial and Applied Microbiology Abstracts (Microbiology A)</collection><collection>Toxicology Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Pest management science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Burghardt, M</au><au>Friedmann, A</au><au>Schreiber, L</au><au>Riederer, M</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Modelling the effects of alcohol ethoxylates on diffusion of pesticides in the cuticular wax of Chenopodium album leaves</atitle><jtitle>Pest management science</jtitle><addtitle>Pest. Manag. Sci</addtitle><date>2006-02</date><risdate>2006</risdate><volume>62</volume><issue>2</issue><spage>137</spage><epage>147</epage><pages>137-147</pages><issn>1526-498X</issn><eissn>1526-4998</eissn><coden>PMSCFC</coden><abstract>Cuticular waxes represent the first and, in most cases, the limiting barrier for foliar uptake of pesticides from solution. Sorption of pesticides in reconstituted cuticular wax (wax/water partition coefficients) of Chenopodium album L. and in isolated cuticular membranes (cuticle/water partition coefficients) of Prunus laurocerasus L. was determined. Diffusion coefficients of pesticides in reconstituted cuticular wax of C. album leaves were size-dependent, increasing with increasing molar volume. In the presence of alcohol ethoxylates, diffusion coefficients were enhanced by up to two orders of magnitude, and size selectivity was significantly decreased. The accelerating effect and the decrease in size selectivity were attributed to plasticisation of the cuticular wax by the alcohol ethoxylates increasing the fluidity in the wax. A free volume model adopted from polymer science was successfully applied to predict diffusion coefficients of pesticides on the basis of the transport properties of the wax (size selectivity and crystallinity), the molar volume of the diffusing compound and the accelerator concentration in the wax.</abstract><cop>Chichester, UK</cop><pub>John Wiley & Sons, Ltd</pub><pmid>16308869</pmid><doi>10.1002/ps.1139</doi><tpages>11</tpages></addata></record> |
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subjects | accelerator adjuvants alcohol ethoxylate alcohols application rate Biological and medical sciences Chenopodium album Chenopodium album - metabolism cuticular wax Diffusion diffusion coefficient epicuticular wax equations Ethers - chemistry Ethers - pharmacokinetics Flowers & plants Fundamental and applied biological sciences. Psychology Glycols - chemistry Glycols - pharmacokinetics herbicides Herbicides - pharmacokinetics leaves mathematical models mechanism of action Models, Biological Molecular Weight Parasitic plants. Weeds partition coefficient pesticide adjuvants Pesticide Synergists - pharmacokinetics Pesticides Phytopathology. Animal pests. Plant and forest protection plant cuticle Plant Leaves - metabolism Sorption Waxes - metabolism weed biology weed control Weeds |
title | Modelling the effects of alcohol ethoxylates on diffusion of pesticides in the cuticular wax of Chenopodium album leaves |
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