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View additional product information for Neurobasal™-A Medium, minus phenol red - FAQs (12349015)
10 product FAQs found
No, it is not recommended to freeze media due to the potential of precipitates forming upon thaw. Inorganic salts and amino acids in the formulation may come out of solution when exposed to temperature fluctuations. These precipitates will not go back into solution easily once formed.
Find additional tips, troubleshooting help, and resources within our Cell Culture Support Center.
Neurobasal and Neurobasal-A media (for postnatal and adult neurons) allow for long-term maintenance of neuronal cells without the need for an astrocyte feeder layer. These media should be supplemented with either serum or a serum-free supplement, plus 0.5mM L-glutamine. B-27 supplement is a serum-free supplement that comes as a 50X concentrate in a 10ml volume. This is enough supplement for 500ml of media. Fetal, postnatal, and adult neural cultures can be grown in the appropriate Neurobasal medium supplemented with B-27 supplement .
We also have two other supplements. One is called G-5 and is for growth and expression of glial cells (normal and tumor) of astrocytic phenotype. This comes in a 1ml size, at a 100X concentration. The other supplement is called N-2 and is for growth and expression of post-mitotic neurons and tumor cells of neuronal phenotype. This comes in a 5ml size, at a 100X concentration.
For more information on Neurobasal media, search "Neurobasal" from our website home page.
Find additional tips, troubleshooting help, and resources within our Cell Culture Support Center.
Instructions for growing adult neurons can be found in the Neurobasal-A Medium product insert. You can also refer to the following publication for growing adult neurons:
• Isolation and Culture of Adult Rat Hippocampal Neurons by Brewer, G.J., J. Neuroscience Methods 71 (1997), 145-158.
We do not know at what age postnatal neurons require FGF and a higher osmolality medium, or how this could vary based on the species from which the neural tissue is isolated. Without this knowledge, we generally recommend switching to the Neurobasal-A Medium for isolates from animals above 1 week of age. You will need to determine if the Neurobasal-A Medium is optimal for neurons you have from one day old rats.
Further, the addition of bFGF can increase the viability of neurons of any age. Therefore, caution needs to be made in impure neuronal cell culture as bFGF can increase the proliferation of non-neuronal cells. We recommend a pilot experiment to test the impure culture in the presence and absence of bFGF.
Find additional tips, troubleshooting help, and resources within our Cell Culture Support Center.
We recommend adding B27 and b-FGF to Neurobasal-A Medium to grow adult neurons.
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4 g/L of NaCl has been added to the Neurobasal-A Medium formulation to increase osmolality.
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Most media contain phenol red, which can quench fluorescent dyes in the visible wavelengths. Most media also contain autofluorescent components, such as riboflavin, which can reduce signal-to-background. We offer FluoroBrite DMEM and HEPES-based Live Cell Imaging Solution, which have been optimized for fluorescent imaging. We also offer a number of media without phenol red. But if none of these are reasonable options for your experiment, then we also offer BackDrop Background Suppressor ReadyProbes Reagent, which can be added to quench media autofluorescence.
Find additional tips, troubleshooting help, and resources within our Cell Analysis Support Center.
Some cell types accumulate phenol red, and this can pose a problem in the use of many fluorescent probes. Phenol red can quench visible-wavelength dyes and, although phenol red is non-fluorescent, various impurities may be fluorescent. We have many phenol red-free media to choose from. Our Live Cell Imaging Solution (HEPES-based) and our FluoroBrite DMEM have been optimized to be phenol red-free as well as to be non-autofluorescent.
Find additional tips, troubleshooting help, and resources within our Cell Analysis Support Center.
The yellow color comes from vitamin components.
As a general guideline, we recommend using Gibco B-27 Plus Supplement to culture neural stem cells, hippocampal, and other CNS neurons.
- For neuroblastomas, or post-mitotic neurons from both PNS and CNS, Gibco N-2 Supplement can be used.
- For primary glial cells (astrocytes) or tumor cell lines of astrocytic phenotype (astrocytes and gliomas), or oligodendrocytes, Gibco G-5 Supplement can be used.