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Microcalorimetric study on the growth and metabolism of microencapsulated microbial cell culture
Ma, J.; Qi, W. T.; Yang, L. N.; Yu, W. T.; Xie, Y. B.; Wang, W.; Ma, X. J.; Xu, F.; Sun, L. X.; Ma XJ(马小军); Ma XJ(马小军)
关键词Microcalorimetry Microencapsulation Microbial Growth And Metabolism
刊名JOURNAL OF MICROBIOLOGICAL METHODS
2007
DOI10.1016/j.mimet.2006.07.007
68期:1页:172-177
收录类别SCI
文章类型Article
部门归属18,15
项目归属1802,1504
产权排名1;1
WOS标题词Science & Technology ; Life Sciences & Biomedicine
类目[WOS]Biochemical Research Methods ; Microbiology
研究领域[WOS]Biochemistry & Molecular Biology ; Microbiology
关键词[WOS]ARTIFICIAL CELLS ; MAMMALIAN-CELLS ; ALGINATE BEADS ; ENCAPSULATION ; MICROCAPSULE ; DELIVERY
英文摘要The rate of heat output is one of the suitable measurements of metabolic activity of the organism or its parts, down to the cellular or even the sub-cellular levels. In this paper, microcalorimetry was first applied to study the metabolic activity of microbial in both alginate-polylysine-alginate and alginate-chitosan-alginate microencapsulated cultures as well as in free non-encapsulated culture. The organisms used for the measurements were Escherichia coli and Saccharomyces cerevisiae. As a result of this work, it was found that, despite E. coli cell in free non-encapsulated culture has the highest metabolic rate due to the highest value of heat output, the proliferation of the cells terminates quickly with a lowest biomass formed. And we found also an obviously longer stationary phase in microencapsulated culture. As far as S. cerevisiae was concerned, it was found that there was also the highest value of heat output in free non-encapsulated culture, but the cell density was lower than that in microencapsulated culture. On account of the microcalorimetric and metabolic measurements, it can be concluded that more substrate can be used to convert to biomass in microencapsulated culture which means a higher biomass yield existed. (c) 2006 Elsevier B.V. All rights reserved.
语种英语
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WOS记录号WOS:000244012300022
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被引频次:28[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/98467
专题中国科学院大连化学物理研究所
通讯作者Ma XJ(马小军); Ma XJ(马小军)
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Biomed Mat Engn, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
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GB/T 7714
Ma, J.,Qi, W. T.,Yang, L. N.,et al. Microcalorimetric study on the growth and metabolism of microencapsulated microbial cell culture[J]. JOURNAL OF MICROBIOLOGICAL METHODS,2007,68(1):172-177.
APA Ma, J..,Qi, W. T..,Yang, L. N..,Yu, W. T..,Xie, Y. B..,...&马小军.(2007).Microcalorimetric study on the growth and metabolism of microencapsulated microbial cell culture.JOURNAL OF MICROBIOLOGICAL METHODS,68(1),172-177.
MLA Ma, J.,et al."Microcalorimetric study on the growth and metabolism of microencapsulated microbial cell culture".JOURNAL OF MICROBIOLOGICAL METHODS 68.1(2007):172-177.
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