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523 Newest Publications about the topic size exclusion chromatography

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Rapid determination of zearalenone in edible oils by HPLC with fluorescence detection

09-Jul-2009 | Paul Majerus, Norbert Graf, Maria Krämer, Mycotoxin Research, 2009

A fast, cost-efficient, sensitive and accurate assay method for zearalenone in edible oils is described, as an alternative to gel permeation chromatography (GPC). Oil samples were extracted with an alkaline mixture of methanol and water (methanol +10 g/l aqueous ammonium carbaminate solution, pH ...

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THE INTERACTION OF PROTEIN AND POLYPHENOL SPECIES IN READY TO DRINK BLACK TEA LIQUOR PRODUCTION

20-May-2009 | D. WU, M. R. BIRD, Journal of Food Process Engineering, 2009

Haze and tea cream generation is a serious problem in the production of ready-to-drink (RTD) black tea liquors. Such precipitates consist primarily of proteins and polyphenols. Tea protein and tea polyphenol have been separated successfully in this study. The interactions of (1) tea protein and ...

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Production of plasmid DNA for human gene therapy using modified alkaline cell lysis and expanded bed anion exchange chromatography

30-Nov-2004 | D.L. Varley, A.G. Hitchcock, A.M.E. Weiss, W.A. Horler, R. Cowell, L. Peddie, G.S. Sharpe, D.R. Thatcher, J.A.J. Hanak, Bioseparation, 2004

We describe a process for the commercial manufacture of therapeutic grade plasmid DNA. The industrially scaleable unit operations employed in this process are: (i) optimized alkaline lysis; (ii) bag filtration; (iii) expanded bed anion exchange chromatography; (iv) ultrafiltration, and (v) size ...

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