A8311
Antimousse 204
aqueous emulsion for bacterial and mammalian systems
Synonyme(s) :
organic antifoam
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form
emulsion (aqueous)
concentration
100% (organic)
density
1.01 g/mL at 25 °C
application(s)
microbiology
storage temp.
room temp
suitability
(Mammalian (suspension)), bacteria (fermentation)
General description
Antifoam 204 is an organic antifoam used to prevent or minimize foaming in both microbial fermentation systems and mammalian suspension cultures. Control of foaming minimizes damage to the cells, resulting in increased protein/antibody production.
Application
Suitable for preventing or minimizing foaming in microbial fermentation systems and mammalian suspension cultures.
Antifoam 204 has been used:
Antifoam 204 has been used:
- in the expression and purification of PUL (PLAP, Ufd3p, and Lub1p) domain
- in fed-batch fermentation
- to prevent bubble formation due in aeration in Luria Bertani (LB) culture medium for bacterial growth
- in the batch fermentation with mineral medium
Preparation Note
For use in microbiological media Sigma recommends a starting concentration of between 0.005% and 0.01%.
The optimal amount of antifoam required for various applications will need to be determined. Antifoam 204 is soluble in methanol, ethanol, toluene, xylene, perchloroethylene, and cold water at temperatures below 15 °C. It is insoluble in warm water and ethylene glycol.
The optimal amount of antifoam required for various applications will need to be determined. Antifoam 204 is soluble in methanol, ethanol, toluene, xylene, perchloroethylene, and cold water at temperatures below 15 °C. It is insoluble in warm water and ethylene glycol.
Other Notes
Ce produit contient 100 % de substances actives ; c'est un mélange d'antimousses organiques non siliconés dans une dispersion polyol. Il peut être stérilisé plusieurs fois.
Antifoam 204 is a 100% active components and a mixture of non-silicone organic defoamers in a polyol dispersion.
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Classe de stockage
10 - Combustible liquids
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves
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Contenu apparenté
Yixin Yang et al.
Biomacromolecules, 11(1), 259-268 (2009-12-17)
Biobased omega-carboxy fatty acid monomers 1,18-cis-9-octadecenedioic, 1,22-cis-9-docosenedioic, and 1,18-cis-9,10-epoxy-octadecanedioic acids were synthesized in high conversion yields from oleic, erucic and epoxy stearic acids by whole-cell biotransformations catalyzed by C. tropicalis ATCC20962. Maximum volumetric yields in shake-flasks were 17.3, 14.2, and
Beth Junker
Biotechnology progress, 23(4), 767-784 (2007-06-15)
Key aspects of foaming and its mitigation in fermentation systems are presented. Foam properties and behavior, conditions that affect foaming, and consequences of foaming are discussed, followed by methods to detect and prevent foam, both without and with the use
Medium redesign for stable cultivation and high production of mevalonate by recombinant Methtylobacterium extorquens AM1 with mevalonate synthetic pathway
Cui L Y, et al.
Biochemical Engineering Journal, 119, 67-73 (2017)
Numéro d'article de commerce international
| Référence | GTIN |
|---|---|
| A8311-50ML | 04061837896033 |