Concept graphic of water to represent hydrogen bonds.

Hydrogen Bonds Explained: What They Are and Why They Are So Important in Biology

Hydrogen bonds are critical non-covalent bonds essential for the structural integrity and function of almost all biological molecules, particularly DNA and proteins. This article explains the fundamental chemistry of hydrogen bonds and nomenclature and highlights why they are critical for life.

3 test tubes, one with GFP fluorescing
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Five Methods for Assessing Protein Purity and Quality

If you’ve ever worked with proteins in the lab, you probably know just how critical protein purity and quality are for downstream applications. In this article, we’ll review the multitude of problems that are encountered with ‘bad’ protein samples and how you can analyze the purity and integrity of your favorite protein prior to using…