Citation
Loh Yung Sheng, . and Siti Aqlima Ahmad, . and Yong Wang Fong, . and Mohd Yunus Abdul Shukor, . and Mohd Arif Syed, . and Nor Aripin Shamaan, . and Nurul lssati Mohamed, . (2011) Effects of pesticides respiratory inhibitors and heavy metals on phenol degrading activities on Acinetobacter sp. strain AQ5NOL 1. [Proceedings Paper]
Abstract
Pesticides respiratory inhibitors and heavy metals are the most common pollutants found in industrial effluents rivers and runoff waters from landfills and can seriously affect efforts to bioremediate phenols using microbes. Therefore the strains used for biodegradation of phenols should be not only highly active against phenols but they should also be resistant to the co-pollutants present in the effluent. At present cells immobilised in calcium alginate are widely used to increase the efficiency of bioremediation. Hence studies were carried out to determine the effects of selected pesticides respiratory inhibitors and heavy metals at a concentration of 1 ppm on phenol degradation of 0.5 g/L by immobilized Acinetobacter sp.strain AQ5NOL 1 in calcium alginate beads. Results from this study showed that complete degradation of phenols in immobilised cells occurred after 28 hrs of incubation. Pesticides respiratory and heavy metals such as Cu Ni Co and Pb used in this study did not produce any effect on phenol-degrading activities. Only the presence of Hg inhibited phenoldegrading activities p0.005.
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Abstract
Pesticides respiratory inhibitors and heavy metals are the most common pollutants found in industrial effluents rivers and runoff waters from landfills and can seriously affect efforts to bioremediate phenols using microbes. Therefore the strains used for biodegradation of phenols should be not only highly active against phenols but they should also be resistant to the co-pollutants present in the effluent. At present cells immobilised in calcium alginate are widely used to increase the efficiency of bioremediation. Hence studies were carried out to determine the effects of selected pesticides respiratory inhibitors and heavy metals at a concentration of 1 ppm on phenol degradation of 0.5 g/L by immobilized Acinetobacter sp.strain AQ5NOL 1 in calcium alginate beads. Results from this study showed that complete degradation of phenols in immobilised cells occurred after 28 hrs of incubation. Pesticides respiratory and heavy metals such as Cu Ni Co and Pb used in this study did not produce any effect on phenol-degrading activities. Only the presence of Hg inhibited phenoldegrading activities p0.005.
Additional Metadata
| Item Type: | Proceedings Paper |
|---|---|
| Additional Information: | Available at Perpustakaan Sultan Abdul Samad Universiti Putra Malaysia 43400 UPM Serdang Selangor Malaysia. QR22 M3I61 2011 vol.2 Call Number. |
| AGROVOC Term: | Acinetobacter |
| AGROVOC Term: | Pesticides |
| AGROVOC Term: | Heavy metals |
| AGROVOC Term: | Phenols |
| AGROVOC Term: | Biotechnology |
| AGROVOC Term: | Degradation |
| AGROVOC Term: | Immobilization |
| AGROVOC Term: | Emulsification |
| AGROVOC Term: | Experiments |
| AGROVOC Term: | Mercury |
| Geographical Term: | MALAYSIA |
| Depositing User: | Ms. Suzila Mohamad Kasim |
| Last Modified: | 24 Apr 2025 05:15 |
| URI: | http://webagris.upm.edu.my/id/eprint/13019 |
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