DMEM / F-12 1:1 Mixture (LM002-02)
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Dulbecco’s Modified Eagle’s Medium / Nutrient Mixture F-12 (DMEM/F-12) 1:1 Mixture (1X), Liquid
With 15 mM HEPE
Without L-glutamine
Catalog Number LM 002-01 (with phenol red)
LM 002-02 (without phenol red)
Storage Temperature 2~8°C
Product Description
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 002-01 and LM 002-02 contain, instead of serum, a supplement of nutrients, growth factors and hormones, but no L-glutamine. HEPES buffer is included in the formulation at a final concentration of 15 mM to compensate for the loss of buffering capacity incurred by eliminating serum. If necessary, add aseptically 15 mL of sterilie 200 mL L-glutamine solution (LS 002-01) per 1 L of medium before use (the final concentration of L-glutamine is 2.5 mM or 365 mg/L). LM 002-01 contains phenol red, but LM 002-02 does not. 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.
Storage/Stability
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.
Precautions
For In Vitro Use Only
Product Name | Description | Cat. No. | Recommended Storage Temp. | Size |
---|---|---|---|---|
DMEM/F-12, 1:1 Mixture (1X), liquid | With 15 mM HEPES Without L-glutamine |
LM 002-01 | Store at 2-8°C | 500ML, 1L |
DMEM/F-12, 1:1 Mixture (1X), liquid | With 15 mM HEPES Without L-glutamine Without phenol red |
LM 002-02 | Store at 2-8°C | 500ML, 1L |
DMEM/F-12, 1:1 Mixture (1X), liquid | With 15 mM HEPES With L-glutamine |
LM 002-04 | Store at 2-8°C | 500ML, 1L |
DMEM/F-12, 1:1 Mixture (1X), liquid | With 15 mM HEPES With L-glutamine Without phenol red |
LM 002-05 | Store at 2-8°C | 500ML, 1L |
DMEM/F-12, 1:1 Mixture (1X), liquid | With 15 mM HEPES With L-glutamine Without sodium bicarbonate |
LM 002-06 | Store at 2-8°C | 500ML, 1L |
DMEM/F-12, 1:1 Mixture (1X), liquid | With L-glutamine Without HEPES |
LM 002-08 | Store at 2-8°C | 500ML |
* 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
Cat. No. | L-Glutamine (mg/L) | HEPES (mg/L) | Phenol Red (mg/L) | Sodium Bicarbonate (mg/L) | Trace Elements (Mo, Ni, Si, Se, Sn) (pM) |
---|---|---|---|---|---|
LM 002-01 | - | 3574.50 (15 mM) | 8.10 | 1200.00 | - |
LM 002-02 | - | 3574.50 (15 mM) | - | 1200.00 | - |
LM 002-04 | 365.00 (2.5 mM) | 3574.50 (15 mM) | 8.10 | 1200.00 | - |
LM 002-05 | 365.00 (2.5 mM) | 3574.50 (15 mM) | - | 1200.00 | - |
LM 002-06 | 365.00 (2.5 mM) | 3574.50 (15 mM) | 8.10 | - | - |
LM 002-08 | 365.00 (2.5 mM) | - | 8.10 | 1200.00 | - |
Comparison of special ordered liquid DMEM/F-12, 1:1 Mixtures
Cat. No. | Basic Formulation | Special Modification |
---|---|---|
LM 002-09 | LM 002-08 | With 4500 mg/L D-glucose, 584 mg/L L-glutamine (4 mM), and 3700 mg/L sodium bicarbonate |
LM 002-10 | LM 002-07 | With 4500 mg/L D-glucose, 584 mg/L L-glutamine, and 3700 mg/L sodium bicarbonate |
LM 002-50 | LM 002-04 | With 3400 mg/L sodium bicarbonate |
LM 002-51 | LM 002-04 | Without calcium chloride |
LM 002-52 | LM 002-04 | With 10X amino acids (1X L-glutamine) and 10X vitamins |
LM 002-96 | LM 002-08 | With 2438 mg/L sodium bicarbonate |
* | * | * |
* 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.