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Development Of Fed-Batch Cultivation Process For Esherichia Coli Harboring Superoxide Dismutase


Citation

Wan Omar, Wan Siti Atikah (2009) Development Of Fed-Batch Cultivation Process For Esherichia Coli Harboring Superoxide Dismutase. Masters thesis, Universiti Putra Malaysia.

Abstract / Synopsis

The fed-batch cultivation process for the production of the recombinant protein, superoxide dismutase (SOD) by E. coli BL21 (DE3) pLysS was carried out. The cultivation process for recombinant SOD (ESOD) production was optimized through several approaches and strategies. The first approach was to optimize medium and culture conditions of the ESOD culture in shake flask via conventional and the Response Surface Methodology (RSM) methods. Laboratory scale batch cultivation of ESOD was then performed using a 2 L stirred tank bioreactor (STB) in order to further optimize the medium and culture conditions. The effects of glucose concentrations (15 and 20 g/L), agitation speeds (300 – 1000 rpm) and controlled dissolved oxygen tension (DOT) via agitation speeds (20%, 50% and 80%) on the growth performance of the recombinant E. coli strain were investigated. In the final stage, fed-batch techniques were applied to the process for the development of high cell density cultivation. The performance and kinetics of the ESOD fed-batch and batch cultivations were then evaluated and compared.


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Additional Metadata

Item Type: Thesis (Masters)
Subject: Cultivation
Subject: Escherichia coli
Subject: Superoxide dismutase
Call Number: IB 2009 17
Chairman Supervisor: Rosfarizan Mohamad, PhD
Divisions: Institute of Bioscience
Depositing User: Mohd Nezeri Mohamad
Date Deposited: 18 Jul 2011 07:02
Last Modified: 27 May 2013 07:50
URI: http://psasir.upm.edu.my/id/eprint/12060
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