Optimization of the Bacillus thuringiensis var. kurstaki HD-1 δ-endotoxins production by using experimental mixture design and artificial neural networks

作者: Guilherme A. Moreira , Gabriela A. Micheloud , Alejandro J. Beccaria , Héctor C. Goicoechea

DOI: 10.1016/J.BEJ.2006.12.025

关键词: Desirability functionPulp and paper industryMultiple response optimizationEffluentSugar caneResponse surface methodologyArtificial neural networkWastewaterMathematicsEnvironmental engineeringBacillus thuringiensisBiotechnologyBioengineeringBiomedical engineering

摘要: Abstract An experimental mixture design coupled with data analysis by means of both response surface methodology (RSM) and artificial neural networks (ANNs) followed multiple optimization through a desirability function, was applied to the production δ-endotoxins from Bacillus thuringiensis var. kurstaki . The composition culture medium defined testing three regional effluents: milky effluent, beer wastewater sugar cane molasses. Both RSM ANNs accomplished goal pursued in this work, predicting optimal effluents. provided more reliable results due complexity models be fitted. selected blend was: 74%, 26% 0%, respectively for each above-mentioned

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