Tandem Raman and Elemental Aerosol Spectrometer (TREAS) for Near-Real-Time Aerosol Chemical Speciation
were 155 ng (RS) and 250 ng (SES). Beyond quantification, the tandem approach provided complementary chemical insights: while SES quantified trace elements, RS can successfully distinguish between the chromium(VI) and chromium(III) oxidation states in welding fumes. The study demonstrates the potential of TREAS to provide high-sensitivity, automated, and analyte-specific monitoring of complex aerosol exposures in near real-time.
Authors
- Nicholas Pugh (ORCID: https://orcid.org/0000-0002-6916-4199)
- Surendra B. Devarakonda (ORCID: https://orcid.org/0000-0002-7020-8742)
- Orthodoxia Zervaki (ORCID: https://orcid.org/0000-0002-3481-506X)
- Kabir Rishi (ORCID: https://orcid.org/0000-0002-3159-031X)
- Pramod Kulkarni
Institutions
- South Dakota School of Mines and Technology (US)
- National Institute for Occupational Safety and Health (US)
- University of Cincinnati (US)
- University of Cincinnati Medical Center (US)
Publication Details
- Journal
- Analytical Chemistry
- Published
- 2026-04-15
- DOI
- https://doi.org/10.1021/acs.analchem.5c08252
- Primary Topic
- Occupational exposure and asthma
- Type
- article
- Field-Weighted Citation Impact
- 0.00
Funders
- National Institute for Occupational Safety and Health