University of Wisconsin–Madison
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Isotope Ratio Mass Spectrometry (IRMS) Lab

Also known as: IRMS • Website ↗
Parent Organization: Biotechnology Center – OVCR

Core Email: irms@biotech.wisc.edu
Primary Contact: Timothy Shriver • tshriver@wisc.edu+16082635477

Faculty Directors: Michele Novaes Ravelli

The Isotope Ratio Mass Spectrometry (IRMS) Lab provides high-precision stable isotope analyses (C, N, O, H) to support research in health science, ecology, and environmental sciences. Our services include measurements of total energy expenditure and total body water using the doubly labeled water method, as well as isotopic characterization of organic materials in ecology and environmental sciences.

Affiliations: None
Training Provided?: No info available
Certifications: None
Special: None
Genetics-Biotech Center Bldg
425 Henry Mall
Madison, WI 53706-1580
Room: Lab: 2210 Offices: 2104, 2106

Staffed Hours: Mon - Fri 9:00 am - 4:30 pm
Rate Structure: Fee-for-service or subcontracted work (analysis, sample handling, and specialized consultation)
Rate Sheet: Not provided; contact core

For use by:
  • UW System
  • Higher Education Institution
  • Non-Profit and Government
  • All UW-Madison
  • Industry Partners
Last Updated: 1/28/2026
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