MEM
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MEM
Gibco™

MEM

MEM (Minimum Essential Medium) is one of the most commonly used of all cell culture media. MEM can be usedRead more
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Catalog NumberQuantity
11095080500 mL
1109509810 x 500 mL
110950721000 mL
110951146 x 1000 mL
Catalog number 11095080
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382.00
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Ends: 31-Dec-2025
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500 mL
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Price (CNY)
382.00
Online Exclusive
Ends: 31-Dec-2025
488.00
Save 106.00 (22%)
Each
Add to cart

MEM (Minimum Essential Medium) is one of the most commonly used of all cell culture media. MEM can be used with a variety of suspension and adherent mammalian cells, including HeLa, BHK-21, 293, HEP-2, HT-1080, MCF-7, fibroblasts, and primary rat astrocytes. We offer a variety of MEM modifications for a range of cell culture applications. Find the right formulation using the media selector tool.


This MEM is modified as follows:
WithWithout
• L-glutamine• HEPES
• Phenol Red 


The complete formulation is available.

Using MEM
MEM was developed by Harry Eagle, based on his earlier formulation of Basal Medium Eagle (BME). Many other modifications of MEM followed, including Glasgow’s MEM, MEM α, DMEM, and Temin’s Modification. MEM is available with Earle’s salts for use in a CO2 incubator, or with Hanks' salts for use without CO2. This product is made with Earle’s salts. MEM contains no proteins, lipids, or growth factors. Therefore, MEM requires supplementation, commonly with 10% Fetal Bovine Serum (FBS). MEM uses a sodium bicarbonate buffer system (2.2 g/L), and therefore requires a 5–10% CO2 environment to maintain physiological pH.

For Research Use or Further Manufacturing. Not for diagnostic use or direct administration into humans or animals.
Specifications
Cell LineHeLa, BHK-21, 293, HEP-2, HT-1080, MCF-7, and fibroblasts
Cell TypePrimary Rat Astrocytes
Concentration1 X
Manufacturing QualitycGMP-compliant under the ISO 13485 standard
Product LineGibco
Product TypeMEM (Minimum Essential Medium)
Quantity500 mL
Shelf Life12 Months From Date of Manufacture
Shipping ConditionRoom Temperature
ClassificationAnimal Origin-free
FormLiquid
Serum LevelStandard Serum Supplementation
SterilitySterile-filtered
Sterilization MethodSterile-filtered
With AdditivesLow Glucose, Glutamine, Phenol Red
Without AdditivesNo HEPES, No Sodium Pyruvate
Unit SizeEach
Contents & Storage
Storage conditions: 2°C to 8°C (protect from light)
Shipping conditions: Ambient
Shelf life: 12 months from date of manufacture

Frequently asked questions (FAQs)

Where can I find the osmolality for MEM Medium?

The osmolality is listed in the COA for the particular lot number of the medium.

Find additional tips, troubleshooting help, and resources within our Cell Culture Support Center.

What is the shelf life of the DMEM, high glucose, pyruvate medium once the bottle is opened and the medium is supplemented?

We do not provide stability data for the product once it is opened as it would depend on the usage and storage conditions.

Find additional tips, troubleshooting help, and resources within our Cell Culture Support Center.

Is it necessary to store DMEM, high glucose, pyruvate medium in the dark?

Yes, the medium should be stored in the dark because there are some components in the medium such as HEPES, Tryptophan, and Riboflavin, etc. that are sensitive to light.

Find additional tips, troubleshooting help, and resources within our Cell Culture Support Center.

How long can I keep my media after supplementing with serum?

Generally speaking, media can be used for up to three weeks after supplementation with serum. There are no formal studies to support this, but it is the rule of thumb used by our scientists.

Find additional tips, troubleshooting help, and resources within our Mammalian Cell Culture Basics Support Center.

My medium was shipped at room temperature but it is supposed to be stored refrigerated. Is it okay?

We routinely ship media that require long-term storage in the refrigerator at room temperature. We have done studies on representative media formulations to show that media can be at room temperature for up to a week without a problem.

Find additional tips, troubleshooting help, and resources within our Mammalian Cell Culture Basics Support Center.

Citations & References (8)

Citations & References
Abstract
Influx of calcium through a redox-sensitive plasma membrane channel in thymocytes causes early necrotic cell death induced by the epipolythiodioxopiperazine toxins.
Authors: Hurne Alanna M; Chai Christina L L; Moerman Katherine; Waring Paul;
Journal:J Biol Chem
PubMed ID:12063251
'Gliotoxin, a member of the epipolythiodioxopiperazine (ETP) class of toxins, induces both apoptotic and necrotic cell death in a concentration-dependent manner. Whereas the specific trigger for apoptotic death caused by these toxins is unclear, the reactive disulfide bond in the ETP toxins is required for biological activity. Thus it is ... More
Antagonism between Ena/VASP Proteins and Actin Filament Capping Regulates Fibroblast Motility.
Authors: Bear James E; Svitkina Tatyana M; Krause Matthias; Schafer Dorothy A; Loureiro Joseph J; Strasser Geraldine A; Maly Ivan V; Chaga Oleg Y; Cooper John A; Borisy Gary G; Gertler Frank B;
Journal:Cell
PubMed ID:12086607
'Cell motility requires lamellipodial protrusion, a process driven by actin polymerization. Ena/VASP proteins accumulate in protruding lamellipodia and promote the rapid actin-driven motility of the pathogen Listeria. In contrast, Ena/VASP negatively regulate cell translocation. To resolve this paradox, we analyzed the function of Ena/VASP during lamellipodial protrusion. Ena/VASP-deficient lamellipodia protruded ... More
A serum- and antioxidant-free primary culture model of mouse cortical neurons for pharmacological screen and studies of neurotrophic and neuroprotective agents.
Authors:Yu X, An L,
Journal:Cell Mol Neurobiol
PubMed ID:12363202
'1. Morphologically developmental properties of fetal mouse cortical neurons in the chemically defined serum- and antioxidant-free culture condition were observed. Also, cellular composition in cultures was identified by immunostaining with anti-NSE and anti-GFAP. 2. Various cell densities ranging from 1 x 10(3) to 1 x 10(6) cells/cm2 were prepared to ... More
Acute hippocampal slice preparation and hippocampal slice cultures.
Authors:Lein PJ, Barnhart CD, Pessah IN
Journal:Methods Mol Biol
PubMed ID:21815062
'A major advantage of hippocampal slice preparations is that the cytoarchitecture and synaptic circuits of the hippocampus are largely retained. In neurotoxicology research, organotypic hippocampal slices have mostly been used as acute ex vivo preparations for investigating the effects of neurotoxic chemicals on synaptic function. More recently, hippocampal slice cultures, ... More
The Discodermia calyx toxin calyculin a enhances cyclin D1 phosphorylation and degradation, and arrests cell cycle progression in human breast cancer cells.
Authors:Edelson JR, Brautigan DL
Journal:Toxins (Basel)
PubMed ID:22069692
'Cyclin D1 is a key regulator of the cell cycle that is over expressed in more than half of breast cancer patients. The levels of cyclin D1 are controlled primarily through post-translational mechanisms and phosphorylation of cyclin D1 at T286 induces its proteasomal degradation. To date, no studies have explored ... More