生物来源
synthetic
质量水平
形式
liquid
技术
microbiological culture: suitable
粘度
400 cP(lit.)
密度
1.01 g/cm3 at 25 °C (lit.)
储存温度
room temp
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一般描述
消泡剂起着有效抑泡剂的作用。204消泡剂含有100%活性成分，是一种有机非硅聚丙烯基聚醚分散体的混合物。它不含矿物油。204消泡剂本身可被视为一种表面活性剂，但其不含其他表面活性剂。该产品为合成产物，并非来源于动植物。204消泡剂可以反复灭菌。204消泡剂良好的流动性使得它可以根据需要泵入发酵罐。用于微生物培养基时，Sigma建议其起始浓度在0.005%到0.01%之间。
应用
消泡剂204已用于：
- 在膜内异戊二烯定量过程中，抑制类囊体溶液鼓泡
- 用作分批补料连续培养发酵培养基组分
- 抑制发酵罐中的剧烈起泡
特点和优势
- 用于细胞生物学和生物化学研究的多功能表面活性剂
- 适用于微生物学培养
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
Juan J Barrero et al.
New biotechnology, 60, 85-95 (2020-10-13)
Pichia pastoris (Komagataella spp.) has become one of the most important host organisms for production of heterologous proteins of biotechnological interest, many of them extracellular. The protein secretion pathway has been recognized as a limiting process in which many roadblocks
Vasil D'Ambrosio et al.
Metabolic engineering, 61, 369-380 (2020-07-28)
Engineering living cells for production of chemicals, enzymes and therapeutics can burden cells due to use of limited native co-factor availability and/or expression burdens, totalling a fitness deficit compared to parental cells encoded through long evolutionary trajectories to maximise fitness.
A novel noncovalent complex of chorismate mutase and DAHP synthase from Mycobacterium tuberculosis: protein purification, crystallization and X-ray diffraction analysis
M Okvist, et al.
Acta Crystallographica Section F, Structural Biology and Crystallization Communications, 65(10), 1048-1052 (2009)
Martin Kavšček et al.
BMC systems biology, 9, 72-72 (2015-10-28)
Yarrowia lipolytica is a non-conventional yeast that is extensively investigated for its ability to excrete citrate or to accumulate large amounts of storage lipids, which is of great significance for single cell oil production. Both traits are thus of interest
Physiology of Aspergillus niger in oxygen-limited continuous cultures: Influence of aeration, carbon source concentration and dilution rate
Diano A, et al.
Biotechnology and Bioengineering, 103(5), 956-965 (2009)
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