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https://hdl.handle.net/2440/7845
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DC Field | Value | Language |
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dc.contributor.author | Thiel, M. | - |
dc.contributor.author | Coster, D. | - |
dc.contributor.author | Mavrangelos, C. | - |
dc.contributor.author | Zola, H. | - |
dc.contributor.author | Williams, K. | - |
dc.date.issued | 2002 | - |
dc.identifier.citation | Protein Expression and Purification, 2002; 26(1):14-18 | - |
dc.identifier.issn | 1046-5928 | - |
dc.identifier.issn | 1096-0279 | - |
dc.identifier.uri | http://hdl.handle.net/2440/7845 | - |
dc.description.abstract | We describe an economical 20 litre bench-top fermenter suitable for production of recombinant antibody fragments in bacterial expression systems. The bacterial culture contained within a polycarbonate carboy is mixed (400-600 rpm) and aerated (1 vessel vol./min) by a high-shear radial flow impeller mounted on a hollow stainless steel shaft, through which pressurised air is pumped. Air is dispersed as fine bubbles into the culture medium by the turbine impeller, without the need for a porous sparger. A stainless steel baffle stabilised by a gliding counterweight increases mixing. The components can easily be disassembled for cleaning and sterilisation. Temperature (range 20-37 degrees C) and pH (range 7.0-7.5) are controlled manually. Using the apparatus, it proved possible to achieve Escherichia coli cell culture densities equivalent to an optical density at 600 nm (OD(600)) of 30-32, compared with OD(600) 4-6 in shake flasks. A yield of 40 mg/litre/day of a recombinant antibody fragment was obtained with the fermenter, which was 15-fold more than the yield of 2.5mg/litre/day achieved in shake flasks. The fermenter may be particularly suited for research purposes. | - |
dc.language.iso | en | - |
dc.publisher | Academic Press Inc | - |
dc.source.uri | http://dx.doi.org/10.1016/s1046-5928(02)00527-2 | - |
dc.subject | Periplasm | - |
dc.subject | Escherichia coli | - |
dc.subject | Glycerol | - |
dc.subject | Recombinant Proteins | - |
dc.subject | Antibodies | - |
dc.subject | Equipment Design | - |
dc.subject | Biotechnology | - |
dc.subject | Fermentation | - |
dc.subject | Hydrogen-Ion Concentration | - |
dc.title | An economical 20 litre bench-top fermenter | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1016/S1046-5928(02)00527-2 | - |
pubs.publication-status | Published | - |
Appears in Collections: | Aurora harvest 4 Paediatrics publications |
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