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Weathering Data on Microplastics and the Apparent Invulnerability of Laser Direct Infrared Imaging

Published by U.S. Environmental Protection Agency | U.S. Environmental Protection Agency | Catalog Last Checked: October 16, 2026 at 11:08 PM | Dataset Last Updated: November 08, 2024
Current database for laser direct infrared spectroscopy (LDIR) only consists of pristine microplastics while microplastics found in the environment are likely to have been affected chemically and/or physically by weathering in the environment before being detected. This database expands the use in the identification method by LDIR to include weathered samples and assesses the effects of the updated database on identifying microplastics in environmental samples. This dataset is associated with the following publication: Hadynski, J., D. Shields, D. Tran, D. Duvvuru, and S. Al-Abed. Photoinduced weathering of plastics and implications for spectral inclusion into matching database for laser direct infrared spectroscopy identification. Talanta. Elsevier Science Ltd, New York, NY, USA, 313(Part A): 130739, (2026).

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