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Application of supe...
Application of supercritical carbon dioxide(scCO(2))for the extraction of lipopolysaccharides (LPS) from Salmonella enterica subsp enterica PCM 2266
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Rybka, Jacek (författare)
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Grycko, Pawel (författare)
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- da Cruz Francisco, José (författare)
- Lund University,Lunds universitet,Tillämpad biokemi,Centrum för tillämpade biovetenskaper,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Pure and Applied Biochemistry,Center for Applied Life Sciences,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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Gamian, Andrzej (författare)
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- Dey, Estera (författare)
- Lund University,Lunds universitet,Tillämpad biokemi,Centrum för tillämpade biovetenskaper,Kemiska institutionen,Institutioner vid LTH,Lunds Tekniska Högskola,Pure and Applied Biochemistry,Center for Applied Life Sciences,Department of Chemistry,Departments at LTH,Faculty of Engineering, LTH
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(creator_code:org_t)
- Elsevier BV, 2008
- 2008
- Engelska.
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Ingår i: Journal of Supercritical Fluids. - : Elsevier BV. - 0896-8446. ; 45:1, s. 51-56
- Relaterad länk:
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http://dx.doi.org/10...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- The paper describes a novel extraction procedure for lipopolysaccharides (LPS) from Salmonella enterica subsp. enterica (PCM 2266). Process parameters for the extraction of LPS from bacterial mass were optimized by carrying out a two-level fractional design experiment. Four parameters, namely temperature, CO2 flow rate, pressure and co-solvent composition were analyzed. The best crude extract yields were achieved when the CO2 flow rate and temperature were kept high (10 g/min, 90 degrees C) and pure water was used as a co-solvent. Pressure had no statistically significant effect within the range of the study performed, whereas the other factors were relevant. The recovery of the extracted LPS by scCO(2) was about 3.3% of the biomass used, while in the classical extraction method yield was less than 2%. All isolates were characterized by SDS-PAGE, by the spectra of the thiobarbituric acid reaction products and GLC-MS analysis.
Ämnesord
- NATURVETENSKAP -- Biologi -- Biokemi och molekylärbiologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences -- Biochemistry and Molecular Biology (hsv//eng)
Nyckelord
- vaccine
- Salmonella
- lipopolysaccharides (LPS)
- supercritical carbon dioxide (scCO(2))
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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