How Does SDS PAGE Electrophoresis Help Analyze Protein Purity Accurately?

When you’re working in a lab focused on proteins—whether for pharmaceuticals, diagnostics, or research—ensuring the purity of your protein sample is crucial. One of the most trusted techniques for evaluating protein purity is SDS PAGE electrophoresis. This method provides a visual and quantitative understanding of your sample composition. But how does it really work? And how can you, as a scientist or researcher, use SDS PAGE to make informed decisions about your protein prep? At Kendrick Labs, Inc, we’ve spent decades helping clients assess their protein samples with precision using SDS PAGE. This guide breaks down the essentials of the technique, its role in purity analysis, and how you can maximize its value in your workflow. What Is SDS PAGE Electrophoresis? SDS PAGE stands for Sodium Dodecyl Sulfate Polyacrylamide Gel Electrophoresis. It’s a laboratory method used to separate proteins based on their molecular weight. Here’s what happens in simple terms: SDS is a det...