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last updated: March 20, 2024
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Artificial gene synthesis was first reported in 1972 when a group of researchers at Massachusetts Institute of Technology synthesized a complete yeast alanine tRNA gene. Synthesis of the first peptide- and protein-encoding genes ensued in the following decade. Since then, synthetic biology has advanced in leaps and bounds, and custom gene synthesis, a one-time expensive option for…
Engineering a mutation or overexpressing a recombinant protein to study and characterize its function in mammalian cells is no easy task. Luckily, Chinese hamster ovary (CHO) cells, which have been a mainstay in the lab since the 1950s, represent a relatively easy mammalian model system to engineer. There are several methods to choose choose from…
Commercial kits for isolation of large quantities of plasmid DNA generally rely on standard alkaline lysis followed by an affinity chromatography column-based method to purify DNA. Compared to traditional cesium chloride banding or PEG precipitation of plasmid DNA they are a breeze, and have the added benefit of avoiding use of toxic or hazardous chemicals…
Running a pulsed field gel can be exciting. It isn’t often that you get to visualize such large pieces of DNA. However, it can also be extremely frustrating. It isn’t uncommon to wait 24 hours only to find out that your DNA was degraded before you started the run. Then, you have to start all…
Why do you get three bands when running uncut plasmid DNA on agarose gels. Discover the answer and how it can help improve your DNA plasmid preps.
Understanding how DNA extraction kits work is the key to troubleshooting your extraction issues.
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