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Microencapsulation technologies are being developed to protect transplanted islets from immune rejection, to reduce or even eliminate the need for immunosuppression. However, unencapsulated cells increase the chances of rejection and empty beads increase transplant volumes. Thus, separation processes were investigated to remove these byproducts based on density differences. The densities of islet‐sized...
Amino acid availability is a key factor that can be controlled to optimize the productivity of fed‐batch cultures. To study amino acid limitation effects, a serum‐free chemically defined basal medium was formulated to exclude the amino acids that became depleted in batch culture. The effect of limiting glutamine, asparagine, and cysteine on the cell growth, metabolism, antibody productivity, and product...
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