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Microencapsulation of Bacillus thuringiensis and insecticidal activity evaluation on larvae of lepidoptera

Sanna, Vanna Annunziata and Moretti, Mario Domenico Luigi (2008) Microencapsulation of Bacillus thuringiensis and insecticidal activity evaluation on larvae of lepidoptera. In: SardiniaChem 2008: giornata di studio dedicata alla chimica organica delle molecole biologicamente attive, 30 Maggio 2008, Sassari, Italia. Conference or Workshop Item.

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Abstract

Bacillus thuringiensis (Bt) is one of the bacterial entomopathogens most frequently studied as a toxin producer. Its insecticidal activity was attributed to the parasporal crystals formed during the stationary phase of its growth cycle, and released during sporulation. The efficacy of Bt is highly sensitive to the environmental conditions; when exposed to UV light, the insecticidal proteins undergoes to rapid degradation. Considerable research has attempted to improve Bt field persistence using ultraviolet absorbers, encapsulation and addition of clay granules to spray formulations. The aim of this study was to investigate different encapsulation processes in order to obtain the Bt-based formulations consisting of matrix-type microcapsules.

Item Type:Conference or Workshop Item (Poster)
ID Code:1122
Status:Published
Uncontrolled Keywords:Bacillus thuringiensis, microencapsulation, insecticides
Subjects:Area 03 - Scienze chimiche > CHIM/09 Farmaceutico tecnologico applicativo
Divisions:001 Università di Sassari > 01 Dipartimenti > Scienze del farmaco
Additional Information:Comitato Scientifico di SardiniaChem 2008: Giampaolo Giacomelli, Università di Sassari; Giovanna Delogu, CNR Sassari; Salvatore Cabiddu, Pier Paolo Piras, Università di Cagliari. Comitato Organizzatore: Andrea Porcheddu, Università di Sassari; Roberto Dallocchio, CNR Sassari; Stefania De Montis, Università di Cagliari. Realizzazione: Università di Sassari, Dipartimento di chimica e Facoltà di Scienze MFN; CNR, Istituto di chimica biomolecolare, sez. Sassari; Università di Cagliari; Agilent Technologies, Italia, s.p.a., Agenzia Sardegna; Sapio s.r.l.; Sigma-Aldrich s.r.l.; Carlo Erba Reagenti; Medinlab s.r.l.; VWR International s.r.l.
Deposited On:18 Aug 2009 10:04

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