HBSS, calcium, magnesium, no phenol red, 500 mL - FAQs

View additional product information for HBSS, calcium, magnesium, no phenol red - FAQs (14025076, 14025092, 14025126, 14025134)

9 product FAQs found

What is the pH of HBSS, calcium, magnesium, no phenol red at room temperature.

At room temperature, HBSS, calcium, magnesium, no phenol red has a pH of 6.7 - 7.8.

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Can I store Hank's Balanced Salt Solution (HBSS) in the refrigerator?

The recommended storage condition for our HBSS products is at 15-30 degrees C. Generally, storage at 4 degrees C will not impact these products. The only concern would be for the 10x HBSS solutions with calcium and magnesium as these salts might precipitate when stored outside the recommended temperature ranges. As long as you don't see any precipitation upon refrigeration, the product will be fine.

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Do I need to add additional HEPES to Hank's Balanced Salt Solution (HBSS) (Cat. No. 14025xxx)?

HBSS (Cat. No. 14025xxx) does not contain HEPES and it needs to be externally supplemented. The complete formulation is available here (https://www.thermofisher.com/us/en/home/technical-resources/media-formulation.153.html).

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I understand that some media are worse than others for fluorescence imaging. How do I choose?

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.

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Should I be concerned about phenol red in my media when labeling my live cells with fluorescent dyes?

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.

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Why do you offer HBSS with and without phenol red?

Phenol red is a pH indicator which allows you to determine the optimal atmospheric conditions for your cell line during your particular assays. We offer both versions to allow you the option to utilize this indicator in your media.

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Can I use HBSS (with calcium and magnesium) to wash my cells before dissociation?

No, a saline solution that contains calcium and magnesium should not be used to wash cells before dissociation.

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Is a precipitate in HBSS (with calcium and magnesium) normal?

No, this is not normal and if there is a precipitate in the product, it cannot be used. If the precipitate will not go back into solution, please contact Technical Support at techsupport@thermofisher.com for a replacement.

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Do you offer media without phenol red (phenol red-free media)?

Yes, please visit this page for a list of our phenol red-free media (http://tools.thermofisher.com/content/sfs/brochures/Phenol_RedFree_Media_Glance.pdf).

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