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题目:
Confining mycelial growth to porous microbeads: a novel technique to alter the morphology of non-newtonian mycelial cultures.
作者:
Gbewonyo(K),Wang(D I)
状态:
发布时间2008-06-12 , 更新时间 2008-06-12
期刊:
Biotechnol Bioeng
摘要:
In an effort to alter the filamentous morphology of Penicillium chrysogenum cells, a technique was developed to confine the growth of the mycelia to porous celite beads. The pore matrix of these beads was found to be very effective for entrapping mycelial cells and spores. The entrapped spores were used to initiate the fermentations in shake flask cultures. Significant increases in final cell densities were obtained in the confined cell cultures reaching up to 60 g/L cells. This is nearly double the cell concentration attainable in free cell cultures grown in the absence of beads. Cell loadings up to 0.55 g cells per bead were obtained in the confined cell cultures. In the later stages of the fermentations, the specific oxygen uptake rates in the confined cell cultures were found to decrease with respect to free cell cultures.
语言:
eng
DOI:
10.1002/bit.260250407

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