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last updated: February 24, 2022
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This is the first in a three-part series on the transformation of E.coli. By the end of this, you should be an expert on E.coli transformation and on which strains to choose for different applications. If you’re already an expert, I hope it’ll be an enjoyable refresher for you. In either case, please comment below…
I’ve recently been doing some lyophilization of biological extracts. While I was preparing for the experiment, I became interested in the number of different methods there are for drying, concentrating and storing samples: freezing, freeze-drying, rotary evaporation, centrifugal evaporation and blow down drying. Here is a brief description of each technique for biological sample storage…
I was so excited to start using 384-well plates for my assays. With so many wells, these plates are useful for testing many conditions in parallel, as required in ELISAs, siRNA library screens, and drug treatment dilutions. However, I quickly learned that pipetting in these plates is more complicated than I thought. This article contains…
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A lot of chemical reagents are relatively non-hazardous.But there are just as many that are extremely hazardous, which means you’ll want to take precautions to reduce any risk of exposure, repeated exposure, and of course, accidental contamination of anything – or anyone – that walks out of the lab at the end of the day….
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