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. 2020 May 20;6(21):eaaz6107. doi: 10.1126/sciadv.aaz6107

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Copyright © 2020 The Authors, some rights reserved; exclusive licensee American Association for the Advancement of Science. No claim to original U.S. Government Works. Distributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).

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Fig. 2 — (A) Fluorescent excitation (black), emission (blue), and RTP emission (green) spectra of TPEDB-PVA polymeric material. (B) Photographs of TPEDB-PVA polymeric material under 365-nm ultraviolet (UV) irradiation and at different time intervals after removal of UV irradiation. Photo credit: Rui Tian (first author), Beijing University of Chemical Technology. (C) RTP intensities of TPEDB-PVA polymeric materials with different contents of TPEDB.