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Why is the Nucleofector Technology ideal for primary cells and difficult-to-transfect cell lines?

There are several reasons to choose the Nucleofector™ Technology for your gene transfer experiments. One is the direct transfer of DNA to the cell nucleus. This makes gene expression independent from cell division. Therefore, the technique is the...

What can I do when there is no optimized protocol available for my cell of interest?

"Lonza is constantly developing new optimized kits and protocols for an increasing number of primary cells and cell lines. In order to obtain the latest information, check our website or contact our Scientific Support Team.We are offering Cell Line...

What is the basic principle of the Nucleofector Technology?

The Nucleofector™ Technology is a novel transfection method especially designed for the needs of primary cells and difficult-to-transfect cell lines. It is a non-viral method based on a unique combination of electrical parameters and cell-type...

What method can I use to fix my HL-60 cells as shown in your optimized protocol?

The cells which are shown in the HL-60 optimized protocol are living cells and not fixed cells. However a good method for fixation of GFP is to use 3.5%-4% Paraformaldehyde in PBS. Please keep in mind that the fixation method is dependant on what you...

Are there any recommendations to avoid excessive mortality during T cell Nucleofection?

Try to keep the DNA amount for Nucleofection™ quite low (e.g. 1 µg plasmid DNA per 100 µl reaction) since higher DNA amounts might cause increasing toxicity and mortality. It is also important to use highly purified DNA, e.g. by using Endofree™...

How can I increase cell viability of Dendritic cells after Nucleofection?

DNA amount and quality are very critical for Nucleofection™ of Dendritic Cells (recommended 0.5-1µg; maximal 2 µg). LPS (lipopolysaccharides) have a strong negative effect on cell viability. Please make sure that all components you use for dendritic...

Is your pmaxGFP control vector supplied with the Nucleofector Kits suitable for stable expression?

No. This vector is only supplied in our Nucleofector™ Kits as a positive control and cannot be used for selection because it does not contain a mammalian selection marker. The only resistance gene expressed by this vector is kanamycin which is only...

I want to stimulate Human T cells post Nucleofection. Are there any precautions to keep in mind?

After Nucleofection™, wait at least four hours before stimulation. Stimulating immediately after Nucleofection™ may lead to increased cell mortality and poor activation of cells. For more details on the stimulation of Human T cells post...

Can I use a Nucleofector I or Nucleofector 2b Device together with the 96-well Shuttle Device?

No, the 96-well Shuttle™ only works in conjunction with the Nucleofector™ IIs Device or our 4D-Nucleofector™ Device.

Is it possible to get neomycin resistant clones after Nucleofection with pmaxGFP?

The pmaxGFP control DNA is not suitable for making stable clones because it lacks a selectable marker for mammalian cells. The kanamycin resistance expressed by this plasmid is only suitable for bacterial selection.
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