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704 results sorted by
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The time course of plasmid expression after Nucleofection™ might be different from the time course seen with other transfection methods. We recommend looking at different time points and start with the first time point as early as 4 to 6 hours post...
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Insect cells are cultivated at lower temperatures than E.coli or mammalian cells (S2 cells at 24°C, Sf9 cells at 28°C). Therefore they need a dedicated incubator with appropriate temperature.
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In general the overall expression level differs between different cell types. Don't expect the same level of gene induction when working with primary cells. You might need to change to other DNA amounts or ratios.
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Vectors with a CMV promoter [e.g. pmaxCloning™, Lonza, Cat. No. VDC-1040] typically work fine for transient protein expression in mammalian cells, like HEK293, CHO or NSO. For insect cells, like Sf9 or Sf21, vectors with insect promoters are...
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The optimal incubation time ranges from 2-days to 6 days depending on various factors like the stability of the protein in the medium, potential toxicity of the protein, cell density and stability of the plasmid in the nucleus. To check the timepoint...
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For many cell lines in suspension, especially sCHO, conventional transfection methods are very limited in efficiency. For protein production, suspension cells are favored over adherent cells because they are much easier to cultivate. Unlike...
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The generation of a stable clone often requires six months or more due to selection procedures and adaption to serum-free conditions after transfection. With the help of the Nucleofector technology suspension cells can be transfected directly in a...
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According to QBM Cell Sciences, you can expect 12 million cortical neurons from an average E18-E19 rat pup. You can expect 4 million cortical neurons from an average mouse pup.
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No, it does not recognize the orientation of the plate. Please make sure that well A1 is positioned in the upper left corner of the retainer.
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The energy options of the laptop are set as such that only the screensaver is activated, the harddisk won't turn down and hibernation is disabled. One can change these settings via the system control. However this is not recommended because by...
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