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. 2022 Sep 2;61(41):e202208150. doi: 10.1002/anie.202208150

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© 2022 The Authors. Angewandte Chemie International Edition published by Wiley-VCH GmbH

This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.

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A) Mass loss of IF‐20+ (red triangles) and IF‐1 (blue diamonds) over 56 days. pH 8.7, 50 °C. Error bars: standard deviation of 3 experiments. Discs were washed with methanol before drying to determine mass loss. B) Averaged area counts (duplicate samples) of the 5 most‐intense peaks detected via nontargeted analysis of the extracts after washing the samples from day 28 of the mass loss study in methanol. The m/z values varied by combinations of 49.99, 65.99, and 115.99, indicative of PFPE repeat units.