Reducing the microcapsule diameter by micro-emulsion to improve the insecticidal activity of Bacillus thuringiensis encapsulated formulations

References

• Aranda, E., Sánchez, J., Peferoen, M., Güereca, L., & Bravo, A. (1996). Interactions of Bacillus thuringiensis crystal proteins with the midgut epithelial cells of Spodoptera frugiperda (Lepidoptera:Noctuidae). Journal of Invertebrate Pathology, 68(3), 203–212. doi:10.1006/jipa.1996.0087
   PubMed Web of Science ®Google Scholar
• Bradford, M. M. (1976). A rapid and sensitive method for the quantitation of microgram quantities of protein utilizing the principle of protein–dye binding. Analytical Biochemistry, 72, 248–254. doi:10.1016/0003-2697(76)90527-3
   PubMed Web of Science ®Google Scholar
• Brar, S. K., Verma, M., Tyagi, R. D., & Valéro, J. R. (2006). Recent advances in downstream processing and formulations of Bacillus thuringiensis based biopesticides. Process Biochemistry, 41, 323–342. doi:10.1016/j.procbio.2005.07.015
   Web of Science ®Google Scholar
• Chapple, A. C., Downer, R. A., & Bateman, R. P. (2007). Theory and practice of microbial insecticide application. In L. A. Lacey & H. K. Kaya (Eds.), Field manual of techniques in invertebrate pathology (Chapter 2, pp. 9–34). Kluwer Academic. doi:10.1007/978-94-017-1547-8_2.
   Google Scholar
• Clairmont, F. (1999). Structure of the insecticidal crystal protein from Bacillus thuringiensis var. kurstaki HD-73 (Master’s thesis). UOttawa. Uresearch. URL: Retrieved from http://hdl.handle.net/10393/8513.
   Google Scholar
• Dubey, R., Shami, T. C., & Bhasker-Rao, K. U. (2009). Microencapsulation technology and applications. Defence Science Journal, 59(1), 82–95. 1489-5768-1-SM.
   Web of Science ®Google Scholar
• Ebert, T. A., Taylor, R. A. J., Downer, R. A., & Hall, F. R. (1999). Deposit structure and efficacy of pesticide application. 1: Interactions between deposit size, toxicant concentration and deposit number. Pesticide Science, 55, 783–792. doi:10.1002/(SICI)1096-9063(199908)55:8<783::AID-PS973>3.0.CO;2-D
   Google Scholar
• Fernández, P., André, V., Rieger, J., & Kühnle, A. (2004). Nano-emulsion formation by phase inversion emulsification. Colloids and Surfaces A, 251, 53–58. doi:10.1021/la060043e
   Web of Science ®Google Scholar
• García-Gutiérrez, K., Poggi-Varaldo, H. M., Esparza-García, F., Ibarra-Rendón, J., & Barrera-Cortés, J. (2011). Small microcapsules of crystal proteins and spores of Bacillus thuringiensis by an emulsification/internal gelation method. Bioprocess and Biosystems Engineering, 34(6), 701–708. doi:10.1007/s00449-011-0519-x
   PubMed Web of Science ®Google Scholar
• García-Rodríguez, A. P., Gaytán-Martínez, M., Barrera-Cortés, J., Ibarra, J. E., & Martínez Bustos, F. (2015). Bio-insecticide Bacillus thuringiensis spores encapsulated with amaranth derivatized starches: Studies on the propagation ‘in vitro’. Bioprocess and Biosystems Engineering, 38, 329–339. doi:10.1007/s00449-014-1273-7
   PubMed Web of Science ®Google Scholar
• Gašić, S., & Tanović, B. (2013). Biopesticide formulations, possibility of application and future trends. Pesticides and Phytomedicine (Belgrade), 28(2), 97–102. doi:10.2298/PIF1302097G
   Google Scholar
• Griego, V. M., & Spence, K. D. (1978). Inactivation of Bacillus thuringiensis spores by ultraviolet and visible light. Applied and Environmental Microbiology, 35(5), 906–910. Retrieved from http://aem.asm.org/content/35/5/906.full.pdf
   PubMed Web of Science ®Google Scholar
• Grizzi, I., Braud, C., & Vert, M. (1998). Calcium alginate dressings – I. Physico-chemical characterization and effect of sterilization. Journal of Biomaterials Science Polymer Edition, 9(2), 189–204. http://dx.doi.org/10.1163/156856298X00514
   PubMed Web of Science ®Google Scholar
• Hofte, H., & Whiteley, H. R. (1989). Insecticidal crystal proteins of Bacillus thuringiensis. Microbiological Reviews, 53(2), 242–255. www.ncbi.nlm.nih.gov/pubmed/2666844.
   PubMedGoogle Scholar
• Hung, T. P., Truong, L. V., Binh, N. D., Frutos, R., Quiquampoix, H., & Staunton, S. (2016). Fate of insecticidal Bacillus thuringiensis cry protein in soil: Differences between purified toxin and biopesticide formulation. Pest Management Science. doi:10.1002/ps.4262
   PubMed Web of Science ®Google Scholar
• Ignoffo, C. M. (1992). Environmental factors affecting persistence of entomopathogens. Florida Entomologist, 75(4), 516–525. Retrieved from http://www.jstor.org/stable/3496133 doi: 10.2307/3496133
   Web of Science ®Google Scholar
• Jyothi, N. V. N., Prasanna, P. M., Sakarkar, S. N., Prabha, K. S., Ramaiah, P. S., & Srawan, G. Y. (2010). Microencapsulation techniques, factors influencing encapsulation efficiency. Journal of Microencapsulation, 27(3), 187–197. http://dx.doi.org/10.3109/02652040903131301
   PubMed Web of Science ®Google Scholar
• Leggett, M., Leland, J., Kellar, K., & Epp, B. (2011). Formulation of microbial biocontrol agents – an industrial perspective. Canadian Journal of Plant Pathology, 33(2), 101–107. http://dx.doi.org/10.1080/07060661.2011.563050
   Web of Science ®Google Scholar
• Merkus, H. G. (2009). Particle size measurements: Fundamentals, practice, quality. Dordrecht: Springer Science+Business Media B.V. Particle Technology Series. doi:10.1007/978-1-4020-9015-8_1
   Google Scholar
• Mihm, J. A. (1984). Técnicas Eficientes para la Crianza Masiva e lnfestación de lnsectos, en la Selección de las Plantas Hospedantes para Resistencia al Gusano Cogollero, Spodoptera frugiperda. México: Centro Internacional de Mejoramiento de Maíz y Trigo, CIMMYT, El Baum. libcatalog.cimmyt.org/download/cim/13169.pdf.
   Google Scholar
• Pozgay, M., Fast, P., Kaplan, H., & Carey, P. R. (1987). The effect of sunlight on the protein crystals from Bacillus thuringiensis var. kurstaki HD1 and NRD12: A Raman spectroscopic study. Journal of Invertebrate Pathology, 50, 246–253. doi:10.1016/0022-2011(87)90089-9
   Web of Science ®Google Scholar
• Rallison, J. M. (1984). The deformation of small viscous drops and bubbles in shear flows. Annual Review of Fluid Mechanics, 16, 45–66. doi:10.1146/annurev.fl.16.010184.000401
   Web of Science ®Google Scholar
• Reis, C. P., Neufeld, R. J., Vilela, S., Ribeiro, A. J., & Veiga, F. (2006). Review and current status of emulsion/dispersion technology using an internal gelation process for the design of alginate particles. Journal of Microencapsulation, 23(3), 245–257. http://dx.doi.org/10.1080/02652040500286086
   PubMed Web of Science ®Google Scholar
• Silva, C. M., Ribeiro, A. J., Figueiredo, I. A., Rocha-Gonçalves, A., & Veiga, F. (2006). Alginate microspheres prepared by internal gelation: Development and effect on insulin stability. International Journal of Pharmaceutics, 311, 1–10. http://dx.doi.org/10.1016/j.ijpharm.2005.10.050
   PubMed Web of Science ®Google Scholar
• Smith, R. A., & Barry, J. W. (1998). Environmental persistence of Bacillus thuringiensis spores following aerial application. Journal of Invertebrate Pathology, 71, 263–267. doi:10.1006/jipa.1997.4738
   PubMed Web of Science ®Google Scholar
• Stone, H. A. (1994). Dynamics of drop deformation and breakup in viscous fluids. Annual Review of Fluid Mechanics, 26, 65–102. doi:10.1146/annurev.fl.26.010194.000433
   Web of Science ®Google Scholar
• Tafaghodi, M., Sajadi-Tabasi, S. A., & Jaafari, M. R. (2006). Formulation, characterization and release studies of alginate microspheres encapsulated with tetanus toxoid. Journal of Biomaterials Science Polymer Edition, 17(8), 909–924. http://dx.doi.org/10.1163/156856206777996880
   PubMed Web of Science ®Google Scholar
• Teera-Arunsiri, A., Suphantharika, M., & Ketunuti, U. (2003). Preparation of spray-dried wettable powder formulations of Bacillus thuringiensis-based Biopesticides. Journal of Economic Entomology, 96(2), 292–299. doi:http://dx.doi.org/10.1093/jee/96.2.292
   PubMed Web of Science ®Google Scholar
• Winder, R. S., Wheeler, J. J., Conder, N., Otvos, I. S., Nevill, R., & Duan, L. (2003). Microencapsulation: A strategy for formulation of Inoculum. Biocontrol Science and Technology, 13, 155–169. doi:10.1080/0958315021000073439
   Web of Science ®Google Scholar