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Wuhan Chemstan Biotechnology Co., Ltd.

武漢科斯坦生物科技有限公司

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產品名稱:

HEK TF

NO.
001
貨號:
CS861
中文名稱
HEK TF
英文名詞
HEK TF
CAS號
/
產品貨號:
CS861
貨期:
現貨
價格與訂購:
1800.00
數量
-
+
庫存:
100
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產品信息
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概述(Summary)

名稱(Product Name)

HEK TF

應用領域(Applications)

HEK TF supports cell growth and production of recombinant proteins and antibodies in suspension culture.It can be used in research or in manufacturing applications.

運輸方式(Shipping)

In general, media are shipped out with blue ice unless customers require otherwise.

產品描述(Description)

HEK TF is a complete chemically-defined, animal-component-free medium. HEK TF was developed by Xell for cultivation of HEK and other mammalian cell lines, with a special focus on transfection applications and virus production. The medium is especially suited for transient transfection with e.g. polycationic transfection reagents such as polyethylenimine (PEI).

產品優勢(Advantage)

1.Chemically defined, serum-free, animal component-free and hydrolysate-free
2.Little or no adaptation required from other serum-free media
3.Supports stable growth of suspension cells at high viability in seed train culture
4.Compatibility with cationic transfection reagents (e.g. PEI) facilitates simplified transfection
5.w/o L-glutamine
6.Liquid for R&D is manufactured at Xell
7.Powder for GMP manufacturing is produced at certified partner

產品特點(Characteristics)

1.Chemically defined, serum-free, animal component-free and hydrolysate-free
2.Little or no adaptation required from other serum-free media
3.Supports stable growth of suspension cells at high viability in seed train culture
4.Compatibility with cationic transfection reagents (e.g. PEI) facilitates simplified transfection
5.w/o L-glutamine

儲存條件(Storage)

Store protected from light at 2?8 °C. Do not freeze.

Note

For research use only .

使用方法(Standard Operating Procedure)

1 Preparations
All procedures should be carried out using sterile techniques in a biosafety cabinet.
HEK TF is formulated without L-glutamine. For applications requiring this amino acid, supplement with 6-8 mM L-glutamine prior to use. Supplementation of L-glutamine directly to the culture is recommended.
2 Culture conditions
Cultures should be maintained at 37 °C. For cultivation in an incubator, a 5% CO2 atmosphere is necessary.
3 Instructions for use
3.1 Thawing of cells
1) Quickly thaw a vial of frozen cells in a 37 °C water bath.
2) Transfer the cells aseptically to a centrifugation tube containing 10 mL of HEK TF.
3) Centrifuge cell suspension at 115×g for 5 minutes.
3.3 Stepwise adaptation from serum-containing cultures
1) Expand the culture in serum-containing standard medium.
2) Centrifuge a sufficient number of cells for inoculation of suspension culture with 4–6·105 cells/mL at 115×g for 5 minutes.
3) Resuspend cells in Xell medium (if necessary include 6-8 mM L-glutamine) and 2% fetal bovine serum (FBS).
3.4 Bioreactor cultivation
For best performance the inoculation density in bioreactor should be in the range of 4–6·105 cells/mL in Xell medium. Suggested starting parameters for bioreactor cultivations of HEK cells using Xell medium are pH 7.0–7.2, 40% DO, and a temperature of 37 °C.
3.5 Freezing of cells
Cells can be frozen in HEK TF without the use of serum.
1) Choose a well-growing culture with viabilities above 90%.
2) Prepare a freezing medium consisting of 90% HEK TF Medium and 10 % dimethyl sulfoxide (DMSO; cell culture grade).
3) Cool down the freezing medium to 2–8 °C.
3.6 Transfection of cells
HEK TF has been developed to especially support transfection applications and allows high transient gene expression.
The setup for transfection can vary depending on the application and cell line used. It is advisable to use established protocols or test different protocols to reach optimum performance.
1) One day before transfection, seed cells with an appropriate inoculum to reach 3?106 cells/mL on the day of transfection.
2) Before transfection, spin down cells and resuspend in fresh HEK TF. The cell culture should have high viability.

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