Agarose gel electrophoresis uses electricity and a porous gel matrix to separate mixtures of DNA molecules into discrete bands based on their size. As the current is running, the DNA molecules move through the pores in the gel. Since it’s…
Tag: Biotech Basics
Article Roundup: three fun science stories to start your summer
For most teachers, school is out for the summer! Now it is time to kick back, relax, and catch up on some fun science writing. Here are three short stories that we liked. Photo by Hilary Halliwell on Pexels.com The…
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Thin Layer Chromatography
Chromatography methods are used to help us separate molecular mixtures based on their mobility. One of the most basic versions of chromatography is thin layer chromatography (TLC). TLC can be used to separate chemical compounds and mixtures, identify specific compounds,…
EdvoTech Tips: Using a DNA Ladder
DNA ladder. Molecular size marker. Standard DNA fragments. You may have heard these terms before, but been confused as to what they are. The great thing is that these terms all refer to the same reagent, which makes it easy…
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