Biotech Basics – Visualizing DNA

What is agarose gel electrophoresis? Electrophoresis is a technique that allows us to separate DNA, RNA or proteins into bands according to their size.  For more information about this technique, be sure to check out our previous post describing electrophoresis.…

Biotech Basics: Agarose Gel Electrophoresis

Agarose gel electrophoresis is a biotechnology technique used to separate DNA molecules according to their size.  The mixture of molecules is added into depressions (or “wells”) within a gel, and then an electrical current is passed through the gel (Fig.…

Edvotek Road Trip — NSTA Area Meeting in Richmond, VA

Last week, we kicked off our busy fall conference schedule with the NSTA Area Meeting in Richmond, VA. Richmond is just a stone's throw away from our headquarters in Washington, D.C., so we packed up our truck and got on the road.  While in Richmond,…

DNA Barcoding: Identifying Organisms at the Molecular Level

How would you identifying all the species in the picture? You could consult a field guide, ask a mycologist (a person who specializes in fungi), or you could sequence its DNA. This last choice is becoming increasingly popular and is…