About This Item
UNSPSC Code:
41106514
NACRES:
NA.81
Doporučené produkty
biological source
hamster ovary
description
Hamster Chinese Ovary, serum-free
growth mode
suspension
morphology
Aggregates in suspension
technique(s)
cell culture | mammalian: suitable
shipped in
dry ice
storage temp.
−196°C
Cell Line Description
This is a derviative of the CHO-K1 cell line, ECACC catalogue no. 85051005 which has been adapted to grow in the animal component free medium, CHO PF Media (C5467)
Culture Medium
CHO PF Media (C5467) + 8mM L-Glutamine (G7513). When freezing cells use freeze medium composed of 50:50 fresh:conditioned medium + 10% DMSO.
Subculture Routine
Maintain cultures between approximately 3-9 x 105 cells/ml; 5% CO2; 37°C. Cells grow as aggregates in suspension. Viability may be poor on resuscitation and may initially decrease further. Full recovery may take up to 2 weeks. A centrifugation step to remove the cryoprotectant is essential. Rapidly thaw the frozen ampoule in a water bath at 37°C for 1-2 minutes. Transfer the contents to a centrifuge tube and slowly add 5-10ml of pre-warmed growth media. Remove a sample for counting. Centrifuge at 100g for 2-3 minutes to pellet cells and seed at a relatively high density of 5-7 x 105 cells/ml. Leave culture flask upright and observe regularly until viable proliferating cells are seen. Once established use a split ratio of 1:2 approximately every 4 to 5 days.
Other Notes
Additional freight & handling charges may be applicable for Asia-Pacific shipments. Please check with your local Customer Service representative for more information.
Cultures from PHE Culture Collections and supplied by Sigma are for research purposes only. Enquiries regarding the commercial use of a cell line are referred to the depositor of the cell line. Some cell lines have additional special release conditions such as the requirement for a material transfer agreement to be completed by the potential recipient prior to the supply of the cell line. Please view the Terms & Conditions of Supply for more information.
Storage Class
10 - Combustible liquids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Osvědčení o analýze (COA)
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