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Dulbecco’s Modified Eagle’s Medium / Nutrient Mixture F-12 (DMEM/F-12) 1:1 Mixture (1X), Liquid
Catalog Number LM 002-08
Storage Temperature 2~8°C
F-12 Nutrient Mixture (Ham’s F-12, LM 010-02) is used for serum-free cultivation of cell lines. During the past decade, researchers have reported the culture of Leydig cells and Sertoli cells in serum-free medium that contained insulin, transferrin, epidermal growth factor (EGF), leutinizing hormone or follicle stimulating hormone, somatomedin and growth hormone. A 1:1 mixture of Dulbecco’s Modified Eagle’s Medium (DMEM) and Ham’s F-12 Nutrient Mixture is found to be most satisfactory for studies of this type.
LM 002-08 contains, instead of serum, supplements of nutrients, growth factors, hormones, and 365 mg/L L-glutamine, but no HEPES. The selection of a nutrient medium is strongly influenced by (1) type of cell, (2) type of culture (monolayer, suspension, or clonal) and (3) degree of chemical definition necessary. It is important to review the literature for recommendations concerning medium, supplementation and physiological parameters required for a specific cell line.
The liquid medium should be stored at 2~8°C in the dark. Deterioration of the liquid medium may be recognized by (1) precipitate or particulate matter throughout the solution, (2) cloudy appearance, (3) color change, and/or (4) pH change. The nature of supplements added may affect storage conditions and shelf life of the medium. Product label bears expiration date.
Biological Performance Characteristics
The growth-promoting capacities of DMEM/F-12 medium are tested in a medium using an appropriate cell line(s). Growth rates are examined through three subculture generations and compared with parallel cultures grown in standardized control medium. Cells are counted and growth is plotted as a logarithmic function of time in culture, and seeding efficiency, doubling time, and final cell densities are determined. During the testing period cultures are examined microscopically for a typical morphology and evidence of cytotoxicity.
For In Vitro Use Only
* In effort to cater to the individual needs of our clients, Welgene provides custom products (classified as a “special order”) with variations made to the general specifications listed on the catalogue. Variations can be made in regards to 1. elimination of certain materials 2. alteration of chemical portions 3. addition of new materials and 4. change in pH.
Comparison of liquid DMEM/F-12, 1:1 Mixtures
Comparison of special ordered liquid DMEM/F-12, 1:1 Mixtures
* In effort to cater to the individual needs of our clients, Welgene provides custom products (classified as a “special order”) with variations made to the general specifications listed on the catalogue. Variations can be made in regards to 1. elimination of certain materials 2. alteration of chemical portions 3. addition of new materials and 4. change in Ph.