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PCR (Polymerase Chain Reaction) is a biochemical technique developed by Kary Mullis in 1983 that is used to create large quantities of a sequence of DNA. Since this method of mass-producing DNA was first introduced, it has become significantly less labour intensive, more economical, and more routine. The technique relies on a few key players…
My mom is a microbiologist and so I was a lot more informed about bugs than most kids. In fact, I probably gave more than one classmate nightmares with my talk of there being 10 times more bacteria that make up the human body than human cells. I remember my mom working by a Bunsen,…
It seems like every movie that needs a shot of a scientist doing their sciencey-thing either gets the person to pour one pretty liquid from one flask into another or to stare intensely at a test tube with a look of knowing so much more than you ever could. Another favorite shot is of someone…
Like athletes running on turf versus sand, the gel you run your DNA through can highly affect your results. The two main types of gels that people use for DNA electrophoresis are agarose and polyacrylamide (PA) gels, but figuring out the differences can be confusing. Basically, you choose a gel based on two main factors:…
Run to red! It’s a mantra I learned when first using gel electrophoresis to separate DNA molecules. This can save you a lot of frustration and humiliation in the lab (stage right: a complaining scientist who swears the equipment is broken as a supervisor facepalms in embarrassment). But what about how does this jell-o like…
A wide variety of enzymes are available for PCR and RT-PCR and the optimal choice depends on a range of factors specific to your experiment. Some of these factors will now be explored to help you to make the most suitable and cost effective choices when ordering. PCR Type and Other Factors to Consider First,…
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