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Osteoblast Mineralization Medium
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Name: Osteoblast Mineralization Medium
SKU: C-27020

Minaralization medium for induction of mineralization in human osteoblast cultures.

Unit 100 ml

Cat.No.

C-27020

$192.00

Currently In stock

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Our Osteoblast Mineralization Medium has been developed for the efficient induction of strong mineralization in human osteoblast cultures. Extensive extracellular calcium-deposits can be observed after 21 days by following an easy one-step protocol.

Although all our media are optimized for use with primary human cells, we have received feedback from customers that this particular medium can also be used for bovine, murine, and rat osteoblasts as well as osteoblast cell lines.

View a list of references where this medium was used with other species and cell types.

Product Manual

Material Safety Data Sheet (MSDS)

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Yes the specialized PromoCell media already contain the optimal amount of L-glutamine. Please don't add extra L-glutamine as this can be toxic for the cells.

FCS is a natural product consisting of many different components like salts hormones vitamins trace elements proteins and enzymes. There can be large lot-to-lot variations between different serum batches regarding the concentrations of growth-promoting factors. The higher the serum content in a culture medium the higher the impact of the variations on the cell culture system. For this reason PromoCell has developed several serum-reduced and serum-free media where part of the serum has been replaced by more defined factors like cytokines hormones or vitamins.Media with reduced serum concentrations have the benefit that they produce more standardized culture conditions over a long time span.

Serum turbidity is usually caused by cryoprecipitation of lipid components during freezing and thawing. The more times the serum is subjected to freeze/thaw cycles the more turbidity is noticed. It can be minimized by freezing the serum in aliquots at -20°C and thawing these aliquots individually at the time of use.

A concentration > 10% FBS is needed to completely inactivate the trypsin. As most of PromoCell's growth media are serum-reduced or serum-free; the use of a trypsin inhibitor like TNS is highly recommended.

The practice of heat inactivation was originally developed when only serum from adult animals was available. Adult serum contains high serum complement which may destroy cells under certain conditions. Heating serum (30 min 56°C) is intended to inactivate the complement. Today serum is often heat-inactivated without any evidence of beneficial effect. When using FCS (fetal calf serum) heat inactivation is not necessary for most cell lines or cell types. PromoCell does not use heat-inactivated FCS for the preparation of their growth media.

If antibiotics are deemed necessary the recommended final concentrations are: 100 U/ml penicillin + 100 µg/ml streptomycin or 50 µg/ml gentamicin + 50 ng/ml amphotericin B Please note: Addition of antibiotics can reduce the growth rate of the cells.

After addition of the SupplementMix or SupplementPack to our basal medium do I have to add FCS you obtain the complete growth medium. No further supplementation with serum or growth factors is required. Please note: Our media do not contain antibiotics. If you wish to use antibiotics you can add penicillin/streptomycin or gentamicin/amphotericin B at standard concentrations. Addition of antibiotics can however reduce the doubling time of the cells up to 30-40%.

Yes you can aliquot the SupplementMix upon delivery and freeze down 2 or 4 individual aliquots at -20°C. This way you can prepare smaller volumes (2 x 250 ml or 4 x 125 ml) of complete culture medium and thus extend the time you can use the medium.

Upon arrival the basal media should be stored between 4°C and 8°C the supplements at -20°C.

Please do not freeze our cell culture media. Freezing can lead to irreversible precipitation of media components and the quality can no longer be assured.

The qualitative and quantitative composition of the supplements can be found on our website and in the data sheets of the specialized media. When there is no such information specified; the composition of the supplements is confidential.

The formulation of our basal media is proprietary information. If you need to know the concentration of a particular component for your experiments please contact the PromoCell Technical Customer Service.

It has been shown that phenol red has estrogenic properties. Phenol red-free media are therefore generally used in studies evaluating steroid hormone action in cultured estrogen-responsive cells (Berthois et al. 1986). Furthermore phenol red can also interfere with some analytical methods like photometric analyses.

The Growth Medium Kit allows customization of the end concentrations of growth supplements. It is therefore more flexible than the Medium "ready-to-use" and can eg. be used to prepare a starvation medium. Please note: Modification of supplement concentrations may have an impact on cell growth. You should test in advance whether and for how long the cells can survive the altered culture conditions.

Yes; it is possible. Short protocol: Plate human osteoblasts in Osteoblast Mineralization Medium on collagen I coated TC vessels. Incubate the cells for 17-21 days and change the medium every third day. Be careful not to disturb the cell monolayer. Fix the cells. The calcium deposition can be visualized by von Kossa or Alizarin Red staining. More detailed information on osteoblast mineralization and Alizarin Red S staining can be found in the attached Application Note.

PromoCell Cell Culture Media "ready-to-use" consist of basal medium and SupplementMix. PromoCell Culture Media Kits consist of basal medium and SupplementPack. Addition of the supplements (SupplementMix or SupplementPack; respectively) to the appropriate basal medium will result in identical growth media.