产品名称
消泡剂A浓缩液, active silicone polymer 100%
form
emulsion (aqueous)
technique(s)
cell culture | hybridoma: suitable
microbiological culture: suitable
density
0.97 g/mL at 25 °C
application(s)
microbiology
storage temp.
room temp
suitability
(Mammalian (suspension))
bacteria (fermentation)
Quality Level
Application
消泡剂A浓缩液可用于：
- 生物反应器培养以生产葡萄球菌肠毒素C（SEC）。
- 防止污泥好氧处理时产生泡沫。
- 研究表面张力对鼓泡过程中生物气溶胶生成的影响。
Features and Benefits
- 分子生物学级，经过测试可用于细菌发酵。
- 非常有效的水系和非水系消泡剂。
- 由 100% 活性有机硅聚合物制成，不含乳化剂。
- 通常在 1-100 ppm范围内有效。
- 产品在 pH 5 到 9范围内稳定。
- 可以直接添加到发酵培养基中，但是不推荐根据需要将其泵入发酵罐中。
General description
消泡剂A是一种有机硅类产品，可用于防止或减少微生物发酵系统和哺乳动物悬浮培养物中的发泡现象。 控制发泡可以最大限度地减少细胞损伤，从而提高蛋白质/抗体产量。对水性和非水性体系极为有效。在1-50ppm浓度范围内有效。
Other Notes
消泡剂A是一种不含非离子型乳化剂的100％活性有机硅聚合物。
Preparation Note
消泡剂A可通过采用3-10倍的丙二醇水溶液或非水植物油通过缓慢混合而进行预稀释。
signalword
Warning
hcodes
pcodes
Hazard Classifications
Aquatic Acute 1 - Aquatic Chronic 1
存储类别
10 - Combustible liquids
wgk
WGK 3
flash_point_f
>213.8 °F - closed cup
flash_point_c
> 101 °C - closed cup
ppe
Eyeshields, Gloves, type ABEK (EN14387) respirator filter
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Experience with a perfo-suction system for the recovery of schistosomes from laboratory rodents
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Journal of bacteriology, 172(9), 5119-5129 (1990-09-01)
Enzymatic conversion of 4-fluorocatechol in the simultaneous presence of partially purified preparations of catechol 1,2-dioxygenase from Pseudomonas cepacia and muconate cycloisomerase from Alcaligenes eutrophus 335 yielded a product that was unambiguously identified as (+)-4-fluoromuconolactone [(+)-4-carboxymethyl-4-fluoro-but-2-en-4-olide]. This compound was shown to
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