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品質水準
フォーム
emulsion (aqueous)
テクニック
cell culture | hybridoma: suitable
microbiological culture: suitable
密度
0.97 g/mL at 25 °C
アプリケーション
microbiology
保管温度
room temp
適合性
(Mammalian (suspension))
bacteria (fermentation)
詳細
Antifoam A is a silicone-based product 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. Extremely effective for aqueous and non-aqueous systems. Effective at concentrations in the 1-50ppm range.
アプリケーション
Antifoam A concentrate has been used:
- in bioreactor culture for Staphylococcal enterotoxin C (SEC) production.
- to prevent foam formation during the aerobic treatment of sludge.
- to study the impact of surface tension on bioaerosol generation during bubbling.
特徴および利点
- Molecular biology grade and tested for use in bacterial fermentation.
- Extremely effective foam suppressor for aqueous and non-aqueous systems.
- Made of 100% active silicone polymer, free of emulsifiers.
- Typically, effective at 1-100 ppm.
- Product will be stable in the pH range of 5 to 9.
- Can be directly added to a fermentation medium but it is not recommended that it be pumped to a fermenter on an as-needed basis.
構成
Antifoam A is a 100% active silicon polymer containing no non-ionic emulsifiers .
調製ノート
Antifoam A can be pre-diluted with 3-10 parts of aqueous propylene glycol or non-aqueous vegetable oil with slow mixing.
シグナルワード
Warning
危険有害性情報
危険有害性の分類
Aquatic Acute 1 - Aquatic Chronic 1
保管分類コード
10 - Combustible liquids
WGK
WGK 3
引火点(°F)
>213.8 °F - closed cup
引火点(℃)
> 101 °C - closed cup
個人用保護具 (PPE)
Eyeshields, Gloves, type ABEK (EN14387) respirator filter
適用法令
試験研究用途を考慮した関連法令を主に挙げております。化学物質以外については、一部の情報のみ提供しています。 製品を安全かつ合法的に使用することは、使用者の義務です。最新情報により修正される場合があります。WEBの反映には時間を要することがあるため、適宜SDSをご参照ください。
PRTR
第一種指定化学物質
Jan Code
A6582-100G:
A6582-VAR:
A6582-25G:
A6582-BULK:
A6582-100G-C:
Experience with a perfo-suction system for the recovery of schistosomes from laboratory rodents
T. F. H. G. Jackson, C. D. Dettman, et al.
Laboratory Animal Science, 16, 65-67 (1982)
The biodegradability of aquatic worm predated waste activated sludge: A sequential aerobic and anaerobic treatment approach
de Valk S, et al.
bioresource technology reports, 12.0, 100606-100606 (2020)
Bioaerosol Release from Concentrated Microbial Suspensions in Bubbling Processes
Kruglyakova E, et al.
Air quality, atmosphere, & health, 13.0, 2029-2029 (2022)
Factors affecting staphylococcal enterotoxin C bovine production in milk
Hunt K, et al.
International dairy journal, 39(1), 41-46 (2014)
M Schlömann et al.
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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