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Transport phenomena of carbazole biodegradation by immobilized thalasosspira profundimaris cell and mechanical properties

Carbazole is a heterocyclic aromatic compound that imposes threat to the environment when contaminates water source. A marine-isolated bacterium, Thalassospira profundimaris shows ability to degrade carbazole. The use of free-cell for bioremediation is inefficient as the cells are exposed to harsh e...

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Main Authors: Manas, N. H. A., Drus, M. N. A. M., Zulkharnain, A., Hui, J. L. C., Azelee, N. I. W., Dailin, D. J.
Format: Conference or Workshop Item
Language:English
Published: 2019
Subjects:
TP Chemical technology
Online Access:http://eprints.utm.my/id/eprint/89976/1/NorHasmalianaManas2019_TransportPhenomenaofCarbazoleBiodegradation.pdf
http://eprints.utm.my/id/eprint/89976/
https://dx.doi.org/10.1063/1.5125513
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spelling my.utm.899762021-03-29T05:57:31Z http://eprints.utm.my/id/eprint/89976/ Transport phenomena of carbazole biodegradation by immobilized thalasosspira profundimaris cell and mechanical properties Manas, N. H. A. Drus, M. N. A. M. Zulkharnain, A. Hui, J. L. C. Azelee, N. I. W. Dailin, D. J. TP Chemical technology Carbazole is a heterocyclic aromatic compound that imposes threat to the environment when contaminates water source. A marine-isolated bacterium, Thalassospira profundimaris shows ability to degrade carbazole. The use of free-cell for bioremediation is inefficient as the cells are exposed to harsh environmental condition. In this study, immobilizations of T. profundimaris in gellan gum were investigated to develop robust systems for bioremediation. The mechanical strength and its relationship with transport of carbazole was investigated. The findings proved that concentration of immobilization media affects diffusivity and mechanical strength. Higher media concentration formed a stronger bead with lower diffusivity where lower concentration formed soft bead with higher diffusivity. The optimum concentration of gellan gum was 0.7% (w/v) with 61% carbazole degradation recorded and an optimum diffusivity of 36.8 × 10-7 cm2/s. It has the highest Young's modulus (0.041810 N/mm2) among other concentrations. The findings of the optimum carbazole degradation, strength and diffusivity were profound to increase the performance of the bacteria entrapped inside the immobilization media for bioremediation and withstand harsh environment. 2019 Conference or Workshop Item PeerReviewed application/pdf en http://eprints.utm.my/id/eprint/89976/1/NorHasmalianaManas2019_TransportPhenomenaofCarbazoleBiodegradation.pdf Manas, N. H. A. and Drus, M. N. A. M. and Zulkharnain, A. and Hui, J. L. C. and Azelee, N. I. W. and Dailin, D. J. (2019) Transport phenomena of carbazole biodegradation by immobilized thalasosspira profundimaris cell and mechanical properties. In: 2nd International Conference on Biosciences and Medical Engineering 2019: Towards Innovative Research and Cross-Disciplinary Collaborations, ICBME 2019, 11-12 Aug 2019, Bali, Indonesia. https://dx.doi.org/10.1063/1.5125513
institution Universiti Teknologi Malaysia
building UTM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Teknologi Malaysia
content_source UTM Institutional Repository
url_provider http://eprints.utm.my/
language English
topic TP Chemical technology
spellingShingle TP Chemical technology
Manas, N. H. A.
Drus, M. N. A. M.
Zulkharnain, A.
Hui, J. L. C.
Azelee, N. I. W.
Dailin, D. J.
Transport phenomena of carbazole biodegradation by immobilized thalasosspira profundimaris cell and mechanical properties
description Carbazole is a heterocyclic aromatic compound that imposes threat to the environment when contaminates water source. A marine-isolated bacterium, Thalassospira profundimaris shows ability to degrade carbazole. The use of free-cell for bioremediation is inefficient as the cells are exposed to harsh environmental condition. In this study, immobilizations of T. profundimaris in gellan gum were investigated to develop robust systems for bioremediation. The mechanical strength and its relationship with transport of carbazole was investigated. The findings proved that concentration of immobilization media affects diffusivity and mechanical strength. Higher media concentration formed a stronger bead with lower diffusivity where lower concentration formed soft bead with higher diffusivity. The optimum concentration of gellan gum was 0.7% (w/v) with 61% carbazole degradation recorded and an optimum diffusivity of 36.8 × 10-7 cm2/s. It has the highest Young's modulus (0.041810 N/mm2) among other concentrations. The findings of the optimum carbazole degradation, strength and diffusivity were profound to increase the performance of the bacteria entrapped inside the immobilization media for bioremediation and withstand harsh environment.
format Conference or Workshop Item
author Manas, N. H. A.
Drus, M. N. A. M.
Zulkharnain, A.
Hui, J. L. C.
Azelee, N. I. W.
Dailin, D. J.
author_facet Manas, N. H. A.
Drus, M. N. A. M.
Zulkharnain, A.
Hui, J. L. C.
Azelee, N. I. W.
Dailin, D. J.
author_sort Manas, N. H. A.
title Transport phenomena of carbazole biodegradation by immobilized thalasosspira profundimaris cell and mechanical properties
title_short Transport phenomena of carbazole biodegradation by immobilized thalasosspira profundimaris cell and mechanical properties
title_full Transport phenomena of carbazole biodegradation by immobilized thalasosspira profundimaris cell and mechanical properties
title_fullStr Transport phenomena of carbazole biodegradation by immobilized thalasosspira profundimaris cell and mechanical properties
title_full_unstemmed Transport phenomena of carbazole biodegradation by immobilized thalasosspira profundimaris cell and mechanical properties
title_sort transport phenomena of carbazole biodegradation by immobilized thalasosspira profundimaris cell and mechanical properties
publishDate 2019
url http://eprints.utm.my/id/eprint/89976/1/NorHasmalianaManas2019_TransportPhenomenaofCarbazoleBiodegradation.pdf
http://eprints.utm.my/id/eprint/89976/
https://dx.doi.org/10.1063/1.5125513
_version_ 1696976243317014528
score 13.211869

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