ArticleBiodegradation2025
Response surface methodology (RSM) optimization of used engine oil biodegradation by Enterobacter hormaechei NMD and their growth kinetics.
Article in Biodegradation, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Used engine oil is considered a major environmental concern due to difficulty in disposal or reuse. Using enrichment method, nine bacterial strains were isolated from the oil contaminated sites in Abbottabad. The NMD strain was considered the best biosurfactant producing strain, having the highest emulsification index and cell hydrophobicity up to 72% and 67% respectively. Based on morphology and 16S rRNA sequence analysis, the isolate was identified as Enterobacter hormaechei strain NMD. The effect of various factors which may influence the biodegradation rate including pH, incubation temperature and oil concentration were evaluated by response surface methodology with Box-Behnken design. The analysis of variance (ANOVA) indicated that regression coefficient (R
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