Controlled release of avermectin from porous hollow silica nanoparticles
Porous hollow silica nanoparticles (PHSNs) with a diameter of ca 100 nm and a pore size of ca 4.5 nm were synthesized via a sol-gel route using inorganic calcium carbonate nanoparticles as templates. The synthesized PHSNs were subsequently employed as pesticide carriers to study the controlled relea...
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| Veröffentlicht in: | Pest management science 2005-06, Vol.61 (6), p.583-590 |
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| creator | Wen, L.X Li, Z.Z Zou, H.K Liu, A.Q Chen, J.F |
| description | Porous hollow silica nanoparticles (PHSNs) with a diameter of ca 100 nm and a pore size of ca 4.5 nm were synthesized via a sol-gel route using inorganic calcium carbonate nanoparticles as templates. The synthesized PHSNs were subsequently employed as pesticide carriers to study the controlled release behaviour of avermectin. The avermectin-loaded PHSN (Av-PHSN) samples were characterized by BET, thermogravimetric analysis and IR, showing that the amount of avermectin encapsulated in the PHSN carrier could reach 58.3% w/w by a simple immersion loading method, and that most of the adsorption of avermectin on the Av-PHSN carrier might be physical. Avermectin may be loaded on the external surface, the pore channels in the wall and the inner core of the PHSN carriers, thus leading to a multi-stage sustained-release pattern from the Av-PHSN samples. Increasing pH or temperature intensified the avermectin release. |
| doi_str_mv | 10.1002/ps.1032 |
| format | Article |
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The synthesized PHSNs were subsequently employed as pesticide carriers to study the controlled release behaviour of avermectin. The avermectin-loaded PHSN (Av-PHSN) samples were characterized by BET, thermogravimetric analysis and IR, showing that the amount of avermectin encapsulated in the PHSN carrier could reach 58.3% w/w by a simple immersion loading method, and that most of the adsorption of avermectin on the Av-PHSN carrier might be physical. Avermectin may be loaded on the external surface, the pore channels in the wall and the inner core of the PHSN carriers, thus leading to a multi-stage sustained-release pattern from the Av-PHSN samples. Increasing pH or temperature intensified the avermectin release.</description><identifier>ISSN: 1526-498X</identifier><identifier>EISSN: 1526-4998</identifier><identifier>DOI: 10.1002/ps.1032</identifier><identifier>PMID: 15714463</identifier><identifier>CODEN: PMSCFC</identifier><language>eng</language><publisher>Chichester, UK: John Wiley & Sons, Ltd</publisher><subject>application methods ; application rate ; avermectin ; avermectins ; Biological and medical sciences ; carriers ; Control ; controlled pesticide release ; Delayed-Action Preparations ; encapsulation ; Fundamental and applied biological sciences. Psychology ; Hydrogen-Ion Concentration ; Ivermectin - analogs & derivatives ; Ivermectin - chemistry ; Nanoparticles ; Nanostructures ; particle size ; pesticide application ; pesticide carriers ; Pesticides ; Pesticides - chemistry ; Phytopathology. Animal pests. Plant and forest protection ; porosity ; porous hollow silica nanoparticles (PHSNs) ; Protozoa. Invertebrates ; Silica ; Silicon Dioxide - chemistry ; slow-release pesticides ; Temperature ; Time Factors</subject><ispartof>Pest management science, 2005-06, Vol.61 (6), p.583-590</ispartof><rights>2005 Society of Chemical Industry</rights><rights>2005 INIST-CNRS</rights><rights>Copyright John Wiley and Sons, Limited Jun 2005</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c5002-b2276e786840ad5d75fac9a604631089446f108b31fee2aa3e1d42b230aa45473</citedby><cites>FETCH-LOGICAL-c5002-b2276e786840ad5d75fac9a604631089446f108b31fee2aa3e1d42b230aa45473</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.1032$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fps.1032$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=16795024$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/15714463$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Wen, L.X</creatorcontrib><creatorcontrib>Li, Z.Z</creatorcontrib><creatorcontrib>Zou, H.K</creatorcontrib><creatorcontrib>Liu, A.Q</creatorcontrib><creatorcontrib>Chen, J.F</creatorcontrib><title>Controlled release of avermectin from porous hollow silica nanoparticles</title><title>Pest management science</title><addtitle>Pest. Manag. Sci</addtitle><description>Porous hollow silica nanoparticles (PHSNs) with a diameter of ca 100 nm and a pore size of ca 4.5 nm were synthesized via a sol-gel route using inorganic calcium carbonate nanoparticles as templates. The synthesized PHSNs were subsequently employed as pesticide carriers to study the controlled release behaviour of avermectin. The avermectin-loaded PHSN (Av-PHSN) samples were characterized by BET, thermogravimetric analysis and IR, showing that the amount of avermectin encapsulated in the PHSN carrier could reach 58.3% w/w by a simple immersion loading method, and that most of the adsorption of avermectin on the Av-PHSN carrier might be physical. Avermectin may be loaded on the external surface, the pore channels in the wall and the inner core of the PHSN carriers, thus leading to a multi-stage sustained-release pattern from the Av-PHSN samples. Increasing pH or temperature intensified the avermectin release.</description><subject>application methods</subject><subject>application rate</subject><subject>avermectin</subject><subject>avermectins</subject><subject>Biological and medical sciences</subject><subject>carriers</subject><subject>Control</subject><subject>controlled pesticide release</subject><subject>Delayed-Action Preparations</subject><subject>encapsulation</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Hydrogen-Ion Concentration</subject><subject>Ivermectin - analogs & derivatives</subject><subject>Ivermectin - chemistry</subject><subject>Nanoparticles</subject><subject>Nanostructures</subject><subject>particle size</subject><subject>pesticide application</subject><subject>pesticide carriers</subject><subject>Pesticides</subject><subject>Pesticides - chemistry</subject><subject>Phytopathology. Animal pests. Plant and forest protection</subject><subject>porosity</subject><subject>porous hollow silica nanoparticles (PHSNs)</subject><subject>Protozoa. Invertebrates</subject><subject>Silica</subject><subject>Silicon Dioxide - chemistry</subject><subject>slow-release pesticides</subject><subject>Temperature</subject><subject>Time Factors</subject><issn>1526-498X</issn><issn>1526-4998</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp10U1P3DAQBmCrAhVYKv4BjSohDiitP-PkiFawi4SgLKXtzZpNxm1oNk7tLB__HkMiOHF6fXg082pMyB6jXxml_FsXYgr-gWwzxbNUFkW-8frOf2-RnRBuKaVFUfCPZIspzaTMxDaZT13be9c0WCUeG4SAibMJ3KFfYdnXbWK9WyWd824dkr8Ruvsk1E1dQtJC6zrwfV02GHbJpoUm4KcxJ-Tm9OTHdJ6eX87Opsfnaali0XTJuc5Q51kuKVSq0spCWUBGYxtG8yK2sjGXgllEDiCQVZIvuaAAUkktJuTLMLfz7v8aQ29u3dq3caXhnGeK5rmI6HBApXcheLSm8_UK_KNh1DwfzHTBPB8syv1x3Hq5wurNjReK4GAEEEporIe2rMOby3ShKJfRHQ3uvm7w8b195vv1uDYddB16fHjV4P-ZTAutzK-LmRHzn1cLPVuYPPrPg7fgDPzxscHNNadMvHypkFQ8AeJsl5Q</recordid><startdate>200506</startdate><enddate>200506</enddate><creator>Wen, L.X</creator><creator>Li, Z.Z</creator><creator>Zou, H.K</creator><creator>Liu, A.Q</creator><creator>Chen, J.F</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>200506</creationdate><title>Controlled release of avermectin from porous hollow silica nanoparticles</title><author>Wen, L.X ; Li, Z.Z ; Zou, H.K ; Liu, A.Q ; Chen, J.F</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c5002-b2276e786840ad5d75fac9a604631089446f108b31fee2aa3e1d42b230aa45473</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>application methods</topic><topic>application rate</topic><topic>avermectin</topic><topic>avermectins</topic><topic>Biological and medical sciences</topic><topic>carriers</topic><topic>Control</topic><topic>controlled pesticide release</topic><topic>Delayed-Action Preparations</topic><topic>encapsulation</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Hydrogen-Ion Concentration</topic><topic>Ivermectin - analogs & derivatives</topic><topic>Ivermectin - chemistry</topic><topic>Nanoparticles</topic><topic>Nanostructures</topic><topic>particle size</topic><topic>pesticide application</topic><topic>pesticide carriers</topic><topic>Pesticides</topic><topic>Pesticides - chemistry</topic><topic>Phytopathology. Animal pests. Plant and forest protection</topic><topic>porosity</topic><topic>porous hollow silica nanoparticles (PHSNs)</topic><topic>Protozoa. Invertebrates</topic><topic>Silica</topic><topic>Silicon Dioxide - chemistry</topic><topic>slow-release pesticides</topic><topic>Temperature</topic><topic>Time Factors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wen, L.X</creatorcontrib><creatorcontrib>Li, Z.Z</creatorcontrib><creatorcontrib>Zou, H.K</creatorcontrib><creatorcontrib>Liu, A.Q</creatorcontrib><creatorcontrib>Chen, J.F</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>Wen, L.X</au><au>Li, Z.Z</au><au>Zou, H.K</au><au>Liu, A.Q</au><au>Chen, J.F</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Controlled release of avermectin from porous hollow silica nanoparticles</atitle><jtitle>Pest management science</jtitle><addtitle>Pest. Manag. Sci</addtitle><date>2005-06</date><risdate>2005</risdate><volume>61</volume><issue>6</issue><spage>583</spage><epage>590</epage><pages>583-590</pages><issn>1526-498X</issn><eissn>1526-4998</eissn><coden>PMSCFC</coden><abstract>Porous hollow silica nanoparticles (PHSNs) with a diameter of ca 100 nm and a pore size of ca 4.5 nm were synthesized via a sol-gel route using inorganic calcium carbonate nanoparticles as templates. The synthesized PHSNs were subsequently employed as pesticide carriers to study the controlled release behaviour of avermectin. The avermectin-loaded PHSN (Av-PHSN) samples were characterized by BET, thermogravimetric analysis and IR, showing that the amount of avermectin encapsulated in the PHSN carrier could reach 58.3% w/w by a simple immersion loading method, and that most of the adsorption of avermectin on the Av-PHSN carrier might be physical. Avermectin may be loaded on the external surface, the pore channels in the wall and the inner core of the PHSN carriers, thus leading to a multi-stage sustained-release pattern from the Av-PHSN samples. Increasing pH or temperature intensified the avermectin release.</abstract><cop>Chichester, UK</cop><pub>John Wiley & Sons, Ltd</pub><pmid>15714463</pmid><doi>10.1002/ps.1032</doi><tpages>8</tpages></addata></record> |
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| subjects | application methods application rate avermectin avermectins Biological and medical sciences carriers Control controlled pesticide release Delayed-Action Preparations encapsulation Fundamental and applied biological sciences. Psychology Hydrogen-Ion Concentration Ivermectin - analogs & derivatives Ivermectin - chemistry Nanoparticles Nanostructures particle size pesticide application pesticide carriers Pesticides Pesticides - chemistry Phytopathology. Animal pests. Plant and forest protection porosity porous hollow silica nanoparticles (PHSNs) Protozoa. Invertebrates Silica Silicon Dioxide - chemistry slow-release pesticides Temperature Time Factors |
| title | Controlled release of avermectin from porous hollow silica nanoparticles |
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