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For several decades, Ethidium Bromide (EtBr) was the molecular biologist’s default dye for DNA staining. Now, EtBr is being consigned to the history books. It’s time to have a historical look at where it all started.
Want to know more about ethanol grades commonly used in the lab? We help you make sense of your flammables cabinet with our rundown of the ethanol grades typically used in molecular biology, as well as some important rules for how to use them correctly.
In Part I of AAV Production, I described how to produce crude (non-purified) AAV. In this article, I am going to tell you how to purify that crude prep. Virus purification is usually done by gradient ultracentrifugation. Two common methods involve gradients made from increasing concentrations of cesium chloride or iodixanol. A cesium chloride prep…
Are your plasmid preps giving your poor yields? We’ve got 11 reasons that might be causing it and how to fix them.
Some techniques can sound very dry but this isn’t one of them! SAGE was first described and published by Velculescu et al. in 1995. At the time, techniques like RNA blotting and expressed sequence tagging were used to study gene expression. However techniques like these were slow and very limited. The speed of SAGE and…
RNases are like the baddie super-heroes amongst laboratory enzymes. They are omnipotent, destructive and seemingly indestructible. This is because they were created by evil overlords, for the sole purpose making life difficult for the brave scientists who battle every day to produce high quality, intact RNA preps. Ok, I’m joking about the overlords part. But…
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