Determination of the radial distribution of Saccharomyces cerevisiae immobilised in calcium alginate gel beads |
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| Authors: | Padraig K Walsh Joseph M Brady Dermot M Malone |
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| Institution: | (1) School of Biological Sciences, Dublin City University, 9 Dublin, Republic of Ireland;(2) Department of Chemical Engineering, University College Dublin, 4 Dublin, Republic of Ireland |
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| Abstract: | Summary The dissolution of alginate gel beads in 20 g sodium citrate /l produces a linear decrease in bead diameter. The rate of dissolution is dependent on the concentration of CaCl2 within the gel beads. This method allows the controlled release of Saccharomyces cerevisiae from alginate gel beads and permits the simple and rapid determination of the radial distribution of cell concentration. |
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