<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Peptesa Research</title><description>Clear guides to research peptide records, analytical methods, and COAs.</description><link>https://peptesa.com/</link><language>en-us</language><item><title>How to Read a Peptide Certificate of Analysis</title><link>https://peptesa.com/research/how-to-read-a-peptide-certificate-of-analysis/</link><guid isPermaLink="true">https://peptesa.com/research/how-to-read-a-peptide-certificate-of-analysis/</guid><description>A practical way to match the sample, lot, method, result, and report version before relying on a peptide COA.</description><pubDate>Fri, 04 Sep 2026 00:00:00 GMT</pubDate></item><item><title>HPLC Purity vs Mass Spectrometry Identity</title><link>https://peptesa.com/research/hplc-purity-vs-mass-spectrometry-identity/</link><guid isPermaLink="true">https://peptesa.com/research/hplc-purity-vs-mass-spectrometry-identity/</guid><description>HPLC and mass spectrometry answer different analytical questions. Read both methods within the scope of the sample and report.</description><pubDate>Fri, 04 Sep 2026 00:00:00 GMT</pubDate></item><item><title>What Research Use Only Means on Peptesa</title><link>https://peptesa.com/research/what-research-use-only-means/</link><guid isPermaLink="true">https://peptesa.com/research/what-research-use-only-means/</guid><description>The research-use boundary covers the product, the page around it, and the way a supplier communicates across every public channel.</description><pubDate>Fri, 04 Sep 2026 00:00:00 GMT</pubDate></item></channel></rss>