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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...

Can Lonza's antibiotics be used in clinical trials?

No. They are for research purposes only.

What optimization is necessary to get the Nucleofector™ Technology to work?

None. For each cell type in our product list we offer a cell-type specific solution and thoroughly optimized electrical parameters. These are already pre-programmed in the Nucleofector™ Device. Additionally our optimized protocols give you...

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 best way to establish the Nucleofector™ Technology in my lab?

We strongly recommend establishing the Nucleofector™ Technology with the positive control vector pmaxGFP™ provided in our kits. pmaxGFP encodes the green fluorescent protein (GFP) from Copepod Pontellina sp. Just like eGFP expressing cells, maxGFP™...

Is there a special recommendation on Human T cell enrichment before Nucleofection™?

For Nucleofection™ it is preferable to use Human T cell populations enriched by magnetic separation. For example, MACS™ Microbeads (Miltenyi) or by a rosetting method. For magnetic separation we recommend negative selection or detaching beads after...

Are your Nucleofector™ Solutions checked for RNase activity during your QC process?

Yes. We do test the Solutions with a real time RT-PCR based assay. This assay basically measures the quantity of an RNA template after incubation in our solution. In case there is RNAse contamination the template would be digested which would be...

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™...

What kind of buffer do you recommend for resuspending my siRNA?

Please use the buffer that is recommended by your siRNA manufacturer.

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...

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