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A5757

Sigma-Aldrich

消泡剂 B 乳液

aqueous-silicone emulsion

同義詞:

消泡剂B

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About This Item

分類程式碼代碼:
12161900
NACRES:
NA.25
暫時無法取得訂價和供貨情況

品質等級

形狀

emulsion

包含

emulsifier (different from those present in Antifoam A emulsion)

技術

cell culture | hybridoma: suitable
microbiological culture: suitable

一般說明

消泡剂消除了由于收集培养基中的蛋白质和/或碳水化合物而在冲击期间形成的过度泡沫。消泡剂 B 乳液是基于硅氧烷的消泡剂。[1]消泡剂 B 乳液不会影响细菌的生长。[2]消泡剂 B 乳液在细菌的摇瓶培养中起消泡剂的作用。[3]

應用

消泡剂 B 乳液已被用于:
  • 提高收集培养基的收集效率[1]
  • 作为应力颗粒裂解缓冲液中的一种组份,用于减少发泡[4],在宿主细胞裂解缓冲液中减少由洗涤剂引起的起泡[2]
  • 提高抗生素的溶解度[5]
  • 作为细菌生长培养基中的发泡对照[3]

其他說明

10% 聚二甲基硅氧烷水乳液

儲存類別代碼

10 - Combustible liquids

水污染物質分類(WGK)

WGK 3

閃點(°F)

>214.0 °F - closed cup

閃點(°C)

> 101.1 °C - closed cup


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分析證明 (COA)

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Questions

1–2 of 2 Questions  
  1. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer
    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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  2. How can I determine the shelf life / expiration / retest date of this product?

    1 answer
    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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