Can RevitaCell Supplement be used in addition to a traditional ROCK Inhibitor?
No. Combination of RevitaCell Supplement with a traditional ROCK inhibitor will result in deleterious effects on PSCs.
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The RevitaCell Supplement in the PSC Cryopreservation Kit has a strong smell. Is this normal?
Yes, it is normal that the RevitaCell Supplement has a strong smell.
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What is the difference between the PSC Cryopreservation Kit and the CTS PSC Cyropreservation Kit?
The CTS PSC Cryopreservation Kit (Cat. No. A4239301) provides the same efficient recovery, consistency, and reduced variability as the PSC Cryopreservation Kit (Cat. No. A2644601). However, these two kits have different intended use statements, i.e., For Research Use or Manufacturing of Cell, Gene, or Tissue-Based Products. CAUTION: Not intended for direct administration into humans or animals and For Research Use Only, respectively. Furthermore, the CTS PSC Cryopreservation Kit has full USP sterility testing info and a Drug Master file (DMF), whereas the sterility testing of the PSC Cryopreservation is via a modified USP method, and it does not have a DMF.
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Is StemFlex Medium compatible with downstream differentiation kits available from Thermo Fisher Scientific?
Yes. We have seen compatibility with the following differentiation kits provided by Thermo Fisher Scientific: PSC Cardiomyocyte Differentiation Kit (Cat. No. A2921201), PSC Definitive Endoderm Induction Kit (Cat. No. A3062601), PSC Neural Induction Medium (Cat. No. A1647801), and PSC Dopaminergic Neuron Differentiation Kit (Cat. No. A3147701).
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I see in the flexible feeding schedules specified for StemFlex Medium that cells should be fed the day after passaging, however this is incompatible with my current workflow. Have you evaluated skipping the feed the day after passaging?
Yes. The main reason that the workflow states this is to accommodate ROCK inhibitor or RevitaCell Supplement that have been added during passaging. In such circumstances where ROCK inhibitor or RevitaCell Supplement are added, you should feed your cells within 18-24 hours post-passaging. However, if ROCK inhibitor or RevitaCell Supplement are not included at the time of passaging, then you may skip the day post-passaging.
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