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Where can I find the expiration dates for the Nucleofector Kit and the Nucleofector Solution?

The expiration dates are located on the outside label of the kit box and on the label of the solution box.

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...

My Nucleofector Solution was frozen. Is this a problem?

As long as the supplement was not added to the Nucleofector™ Solution, then there is no risk of any damage to the solutions. Even long-term storage of several months did not alter the performance of the Nucleofector™ Solution. However, if the...

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

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

I have a GFP construct that I use and usually get anywhere from 50-80% GFP positive cells using FACS analysis while I get only 30-40% using a GFP-NFAT fusion protein driven by the same promoter. Do you have any suggestions?

The Amaxa™ Nucleofection™ Conditions are optimised for each cell type, the solutions and programs are cell type dependent and not vector dependant. The expression of the fusion protein depends on the localization of the protein transcription,...

What stock concentration of Propidium Iodide does Lonza use for FACS analysis?

We use a stock concentration of 100 µg/ml in PBS. This is diluted 1:300 – 1:400 into the sample.

I currently work with some adherent cell lines, such as 293, which are grown in DMEM media. I have noticed that the mortality seems to be high after Nucleofection. Do you have any recommendations?

For some adherent cell lines we strongly recommend using RPMI instead of DMEM medium. As described in culture conditions of the cell line optimization kit protocol as well as the NIH3T3 (DSMZ) protocol, using RPMI instead of DMEM as "transfer and...

Can I use the Nucleofector Technology for RNAi applications? How do I start?

Yes. The Nucleofector™ Technology can be easily applied for any RNAi substrate (siRNA, shRNA, miRNA). You can use the same conditions described in the cell type specific Optimized Protocol for DNA vectors (cDNA, shRNA or miRNA expressing plasmids) or...

Can I order any of the Nucleofector Kit components separately?

No. The Nucleofector™ Kits are only available as full kits.

Who is the distributor for my country?

Please click on the link provided to search for your distributor.
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