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Protein Residue Analysis identifies organic residues on lithic and ceramic artifacts, coprolites, and soils. The procedure can provide researchers with data regarding prehistoric exploitation of plant and animal resources that might otherwise go undetected.

Tool artifacts
This technique provides data useful in addressing questions related to dietary analysis, tool utilization, processing methods, and site function, among others.

Sample extraction, CIEP, and staining protocols are performed under rigorously controlled laboratory conditions. An analytical report detailing methods and results is supplied to the researcher usually within 30 days, with rush service (within two weeks) available for an additional fee.
Scientist taking a sample