Category: Research Guides
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Peptide Content and Purity: Reading Two Different Measurements
Peptide content and chromatographic purity describe different measurements. Read the denominator before comparing percentages. A report can show a high fraction of…
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Mass Spectrometry and Peptide Identity
A mass spectrometry result supports an identity assessment only when the reported measurement is connected to the stated material. An instrument measures…
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Peptide Storage: Handling Lyophilized Research Materials
A useful peptide storage instruction identifies the material, its physical state and the conditions that apply to it. “Keep cold” is too…
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Research Use Only: What the Label Does and Does Not Establish
“Research use only” describes a stated restriction. It is not a substitute for examining what a product is, how it is presented…
