How “Ancient Chewing Gum” Highlights the Utility of DNA Analysis

Genomic DNA analysis has become a fundamental component of many high school teaching laboratories. Some of our best-selling kits involve simulations of practical, modern uses of the technique. Specifically, forensic DNA fingerprinting (for example, experiments 130 and 371) and simulations…

Conquering DNA Concentration and Purity Calculations 

This post is for you if: Whichever category you fall into (we won’t judge), read on. DNA Quantification 101 Following DNA extraction and/or purification researchers will determine the concentration, yield, and, if possible, purity of their product. Such quantifications are…

EdvoTech Tips: How to choose the correct DNA ladder

Gel electrophoresis is a powerful technique to separate biomolecules for further analysis. We’ve discussed agarose gel electrophoresis, for analyzing DNA or RNA, and polyacrylamide gel electrophoresis (PAGE), for analyzing proteins, previously on this blog. However, we often get questions about…