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Merck
모든 사진(1)

주요 문서

A6582

Sigma-Aldrich

Antifoam A concentrate

active silicone polymer 100%

동의어(들):

Antifoam agent, Antifoam solution, Foam control agent

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About This Item

UNSPSC 코드:
12161901
NACRES:
NA.85

Quality Level

양식

emulsion (aqueous)

기술

cell culture | hybridoma: suitable
microbiological culture: suitable

density

0.97 g/mL at 25 °C

응용 분야

microbiology

저장 온도

room temp

적합성

(Mammalian (suspension))
bacteria (fermentation)

일반 설명

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.

애플리케이션

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.

특징 및 장점

  • 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.

성분

Antifoam A is a 100% active silicon polymer containing no non-ionic emulsifiers .

제조 메모

Antifoam A can be pre-diluted with 3-10 parts of aqueous propylene glycol or non-aqueous vegetable oil with slow mixing.

픽토그램

Environment

신호어

Warning

유해 및 위험 성명서

예방조치 성명서

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point (°F)

>213.8 °F - closed cup

Flash Point (°C)

> 101 °C - closed cup

개인 보호 장비

Eyeshields, Gloves, type ABEK (EN14387) respirator filter


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문서 라이브러리 방문

이미 열람한 고객

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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)
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)
Factors affecting staphylococcal enterotoxin C bovine production in milk
Hunt K, et al.
International dairy journal, 39(1), 41-46 (2014)
F P Ernani et al.
Infection and immunity, 61(6), 2596-2601 (1993-06-01)
Substantial evidence indicates that molecules released by infectious organisms affect virulence and influence immunity to infection. The characterization of extracellular molecules and their mechanism of release is therefore critical to understanding host-parasite relationships. The cestode parasite Mesocestoides corti is known

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