Controlled release formulations of carbaryl based on copper alginate, barium alginate, and alginic acid beads

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dc.contributor.authorŞanlı, Oya
dc.contributor.authorIşıklan, Nuran
dc.date.accessioned2020-06-25T17:41:18Z
dc.date.available2020-06-25T17:41:18Z
dc.date.issued2006
dc.description.abstractA controlled release system for reducing environmental impact was produced by encapsulating the pesticide carbaryl (Carb) in the alginate beads. The various bead formulations were prepared by using sodium alginate (NaAlg) as a polymer, CUCl2, BaCl2 as a crosslinking agent, and HCl as a linking agent. The surface morphology of prepared beads was characterized with scanning electron microscopy (SEM). SEM confirmed the spherical nature and surface morphology of the particles. Bead characteristics, such as Carb entrapment efficiency, particle size, swelling degree, and Carb release kinetics, were determined. The effects of crosslinker or linker concentration, type, and carbaryl/sodium alginate (Carb/NaAlg) ratio on Carb release from the beads were investigated for 20 days at 25 C. It was observed that Carb release from the beads increased with the increase of Carb/NaAlg ratio whereas decreased with the increase of crosslinker concentration. At the end of 20 days, the Carb release from alginic acid beads was found to be higher than that of copper alginate (Cu-Alg) and barium alginate (Ba-Alg) beads. The swelling measurements of the beads supported the release results. Release kinetics were described by Fickian and non-Fickian approaches. (c) 2006 Wiley Periodicals, Inc.en_US
dc.identifier.citationclosedAccessen_US
dc.identifier.doi10.1002/app.24882
dc.identifier.endpage4253en_US
dc.identifier.issn0021-8995
dc.identifier.issue5en_US
dc.identifier.scopus2-s2.0-33751256524
dc.identifier.scopusqualityQ2
dc.identifier.startpage4245en_US
dc.identifier.urihttps://doi.org10.1002/app.24882
dc.identifier.urihttps://hdl.handle.net/20.500.12587/3680
dc.identifier.volume102en_US
dc.identifier.wosWOS:000241593700022
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherJohn Wiley & Sons Incen_US
dc.relation.ispartofJournal Of Applied Polymer Science
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectwater soluble polymersen_US
dc.subjectcontrolled releaseen_US
dc.subjectcarbarylen_US
dc.subjectinsecticideen_US
dc.subjectbeadsen_US
dc.titleControlled release formulations of carbaryl based on copper alginate, barium alginate, and alginic acid beadsen_US
dc.typeArticle

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