Mathematical modelling of molybdenum reduction to Mo-blue by a cyanide-degrading bacterium
Molybdenum, an emerging pollutant, has being demonstrated recently to be toxic to spermatogenesis in several animal model systems. Metal mines especially gold mine often use cyanide and hence isolation of metal-reducing and cyanide-degrading bacteria can be useful for the bioremediation of these pol...
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Hibiscus Publisher
2016
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| Online Access: | http://psasir.upm.edu.my/id/eprint/64019/ http://psasir.upm.edu.my/id/eprint/64019/1/Mathematical%20modelling%20of%20molybdenum%20reduction%20to%20Mo-blue%20by%20a%20cyanide-degrading%20bacterium.pdf |
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| author | Yakasai, Mohd Hafeez Ibrahim, Karamba Kabiru Yasid, Nur Adeela Halmi, Mohd Izuan Effendi Abdul Rahman, Mohd Fadhil Abd. Shukor, Mohd. Yunus |
| author_facet | Yakasai, Mohd Hafeez Ibrahim, Karamba Kabiru Yasid, Nur Adeela Halmi, Mohd Izuan Effendi Abdul Rahman, Mohd Fadhil Abd. Shukor, Mohd. Yunus |
| author_sort | Yakasai, Mohd Hafeez |
| building | UPM Institutional Repository |
| collection | Online Access |
| description | Molybdenum, an emerging pollutant, has being demonstrated recently to be toxic to spermatogenesis in several animal model systems. Metal mines especially gold mine often use cyanide and hence isolation of metal-reducing and cyanide-degrading bacteria can be useful for the bioremediation of these pollutants. Preliminary screening shows that three cyanide-degrading bacteria were able to reduce molybdenum to molybdenum blue (Mo-blue) when grown on a molybdate low phosphate minimal salts media. Phylogenetic analyses of the 16S rRNA gene of the best reducer indicates that it belongs to the Serratia genus. A variety of mathematical models such as logistic, Gompertz, Richards, Schnute, Baranyi-Roberts, von Bertalanffy, Buchanan three-phase and Huang were used to model molybdenum reduction, and the best model based on statistical analysis was modified Gompertz with lowest values for RMSE and AICc, highest adjusted R2 values, with Bias Factor and Accuracy Factor nearest to unity (1.0). The reduction constants obtained from the model will be used to carry out secondary modelling to study the effect of various parameters such as substrate, pH and temperature to molybdenum reduction. |
| first_indexed | 2025-11-15T11:17:00Z |
| format | Article |
| id | upm-64019 |
| institution | Universiti Putra Malaysia |
| institution_category | Local University |
| language | English |
| last_indexed | 2025-11-15T11:17:00Z |
| publishDate | 2016 |
| publisher | Hibiscus Publisher |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | upm-640192018-06-08T00:51:59Z http://psasir.upm.edu.my/id/eprint/64019/ Mathematical modelling of molybdenum reduction to Mo-blue by a cyanide-degrading bacterium Yakasai, Mohd Hafeez Ibrahim, Karamba Kabiru Yasid, Nur Adeela Halmi, Mohd Izuan Effendi Abdul Rahman, Mohd Fadhil Abd. Shukor, Mohd. Yunus Molybdenum, an emerging pollutant, has being demonstrated recently to be toxic to spermatogenesis in several animal model systems. Metal mines especially gold mine often use cyanide and hence isolation of metal-reducing and cyanide-degrading bacteria can be useful for the bioremediation of these pollutants. Preliminary screening shows that three cyanide-degrading bacteria were able to reduce molybdenum to molybdenum blue (Mo-blue) when grown on a molybdate low phosphate minimal salts media. Phylogenetic analyses of the 16S rRNA gene of the best reducer indicates that it belongs to the Serratia genus. A variety of mathematical models such as logistic, Gompertz, Richards, Schnute, Baranyi-Roberts, von Bertalanffy, Buchanan three-phase and Huang were used to model molybdenum reduction, and the best model based on statistical analysis was modified Gompertz with lowest values for RMSE and AICc, highest adjusted R2 values, with Bias Factor and Accuracy Factor nearest to unity (1.0). The reduction constants obtained from the model will be used to carry out secondary modelling to study the effect of various parameters such as substrate, pH and temperature to molybdenum reduction. Hibiscus Publisher 2016 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/64019/1/Mathematical%20modelling%20of%20molybdenum%20reduction%20to%20Mo-blue%20by%20a%20cyanide-degrading%20bacterium.pdf Yakasai, Mohd Hafeez and Ibrahim, Karamba Kabiru and Yasid, Nur Adeela and Halmi, Mohd Izuan Effendi and Abdul Rahman, Mohd Fadhil and Abd. Shukor, Mohd. Yunus (2016) Mathematical modelling of molybdenum reduction to Mo-blue by a cyanide-degrading bacterium. Bioremediation Science and Technology Research, 4 (2). pp. 1-5. ISSN 2289-5892 https://journal.hibiscuspublisher.com/index.php/BSTR/article/view/368 |
| spellingShingle | Yakasai, Mohd Hafeez Ibrahim, Karamba Kabiru Yasid, Nur Adeela Halmi, Mohd Izuan Effendi Abdul Rahman, Mohd Fadhil Abd. Shukor, Mohd. Yunus Mathematical modelling of molybdenum reduction to Mo-blue by a cyanide-degrading bacterium |
| title | Mathematical modelling of molybdenum reduction to Mo-blue by a cyanide-degrading bacterium |
| title_full | Mathematical modelling of molybdenum reduction to Mo-blue by a cyanide-degrading bacterium |
| title_fullStr | Mathematical modelling of molybdenum reduction to Mo-blue by a cyanide-degrading bacterium |
| title_full_unstemmed | Mathematical modelling of molybdenum reduction to Mo-blue by a cyanide-degrading bacterium |
| title_short | Mathematical modelling of molybdenum reduction to Mo-blue by a cyanide-degrading bacterium |
| title_sort | mathematical modelling of molybdenum reduction to mo-blue by a cyanide-degrading bacterium |
| url | http://psasir.upm.edu.my/id/eprint/64019/ http://psasir.upm.edu.my/id/eprint/64019/ http://psasir.upm.edu.my/id/eprint/64019/1/Mathematical%20modelling%20of%20molybdenum%20reduction%20to%20Mo-blue%20by%20a%20cyanide-degrading%20bacterium.pdf |