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Merck
모든 사진(1)

주요 문서

A6426

Sigma-Aldrich

Antifoam 204

mixture of organic polyether dispersions

동의어(들):

organic antifoam

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About This Item

MDL number:
UNSPSC 코드:
12161900
NACRES:
NA.25

생물학적 소스

synthetic

Quality Level

양식

liquid

기술

microbiological culture: suitable

점도

400 cP(lit.)

density

1.01 g/cm3 at 25 °C (lit.)

저장 온도

room temp

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일반 설명

Antifoam function as an effective foam suppressor. Antifoam 204 contains 100% active components and is a mixture of organic non-silicone polypropylene-based polyether dispersions. It does not contain mineral oil. Antifoam 204 can itself be considered a surfactant, but it contains no other surfactants. This product is synthetic and not derived from animal or plant sources. Antifoam 204 can be sterilized repeatedly. The flow properties of Antifoam 204 are such that it can be pumped to a fermenter on an as-needed basis. For use in microbiological media, Sigma recommends a starting concentration of between 0.005% and 0.01%.

애플리케이션

Antifoam 204 has been used:

  • to suppress bubbling in thylakoid solutions during intramembrane isoprene quantification
  • as a component of fed-batch continuous culture fermentation medium
  • to suppress severe foaming in fermenter

특징 및 장점

  • Highly versatile surfactant for your cell biology and biochemical research
  • Suitable for microbiological culture

기타 정보

Contains 100% active components and is a mixture of non-silicone organic defoamers in a polyol dispersion. Can be sterilized repeatedly.
For additional information on our range of Biochemicals, please complete this form.

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable


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문서 라이브러리 방문

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
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
Concentration of isoprene in artificial and thylakoid membranes
Harvey CM, et al.
Journal of Bioenergetics and Biomembranes, 47(5), 419-429 (2015)
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)
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.

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