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View additional product information for Antibiotic-Antimycotic (100X) - FAQs (15240112, 15240096, 15240062)
8 product FAQs found
You can supplement OptiPRO SFM with 5mL/L Antibiotic-Antimycotic (Cat. No. 15240096)
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Yes, however, we do not recommend adding antibiotics to the medium at the time of thawing. Thaw cells into medium without antibiotic and allow the cells to recover from the thawing process. After that, you can add antibiotics by diluting into the medium.
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The components are in a 0.85% saline solution.
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This solution contains 10,000 units/mL of penicillin, 10,000 µg/mL of streptomycin, and 25 µg/mL of Gibco Amphotericin B.
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The recommended condition is storage at -5 to -20 degrees C and when stored as recommended, the shelf life is 12 months from the date of shipment.
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The accurate way would be to dilute 5 mL of Antibiotic-Antimycotic (100X) into 495 mL of medium. Please note that the volume of medium in a 500 mL medium bottle is not exactly 500 mL. It could range from 500.5 - 510.5 mL.
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When an irreplaceable culture becomes contaminated, researchers may attempt to eliminate or control the contamination.
1. Determine if the contamination is bacteria, fungus, mycoplasma, or yeast. Read more here to view characteristics of each contaminant.
2. Isolate the contaminated culture from other cell lines.
3. Clean incubators and laminar flow hoods with a laboratory disinfectant, and check HEPA filters.
4. Antibiotics and antimycotics at high concentrations can be toxic to some cell lines. Therefore, perform a dose-response test to determine the level at which an antibiotic or antimycotic becomes toxic. This is particularly important when using an antimycotic such as Gibco Fungizone reagent or an antibiotic such as tylosin.
The following is a suggested procedure for determining toxicity levels and decontaminating cultures:
1. Dissociate, count, and dilute the cells in antibiotic-free media. Dilute the cells to the concentration used for regular cell passage.
2. Dispense the cell suspension into a multiwell culture plate or several small flasks. Add the antibiotic of choice to each well in a range of concentrations. For example, we suggest the following concentrations for Gibco Fungizone reagent: 0.25, 0.50, 1.0, 2.0, 4.0, and 8.0 µg/mL.
3. Observe the cells daily for signs of toxicity such as sloughing, appearance of vacuoles, decrease in confluency, and rounding.
4. When the toxic antibiotic level has been determined, culture the cells for two to three passages using the antibiotic at a concentration one- to two-fold lower than the toxic concentration.
5. Culture the cells for one passage in antibiotic-free media.
6. Repeat step 4.
7. Culture the cells in antibiotic-free medium for four to six passages to determine if the contamination has been eliminated.
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Please view the following page to browse the cell culture antibiotics we offer (https://www.thermofisher.com/us/en/home/life-science/cell-culture/mammalian-cell-culture/antibiotics.html).
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