A practical comparison of mass spectrometry, affinity panels, and aptamer arrays as purchasable proteomics services, with the file formats, tools, and failure modes you should expect if you plan to analyze the data yourself.
List prices for SomaScan 7K and 11K at core facilities run $800–900 per sample before shipping, plate minimums, and analysis. Here is where that money goes, how the assay works, and how to decide between SomaScan, Olink Reveal, and a targeted panel.
A plasma proteomics report measures the relative abundance of hundreds to thousands of circulating proteins. Here is what the numbers mean, how the three main platforms differ, and how to analyze your own data without fooling yourself.