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Abstract:
采用浸入法,测定葡萄糖、苯乙酮酸和扁桃酸等3种物质在固定化酵母细胞海藻酸钙凝胶内的有效扩散系数.实验结果表明,相同条件下,葡萄糖的有效扩散系数De随着海藻酸钠浓度的提高而下降,优化的海藻酸钠质量分数为0.02.葡萄糖的有效扩散系数大于扁桃酸和苯乙酮酸.初始包埋量为54.4 g.L-1的固定化酵母细胞经增殖8 h后,扁桃酸在胶珠内的有效扩散系数为0.36×10-4cm2.min-1,明显小于未增殖或未包埋细胞.
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Source :
华侨大学学报(自然科学版)
ISSN: 1000-5013
CN: 35-1079/N
Year: 2005
Issue: 04
Page: 408-411
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SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
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30 Days PV: 2
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