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. 2019 Sep 24;10:4336. doi: 10.1038/s41467-019-12313-3

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© The Author(s) 2019

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 2 — Preparation and characterization of TRIDENT. a Schematic illustration of the structure of TRIDENT and its construction via modified nanoprecipitation. b Representative TEM image of TRIDENT. Scale bar: 200 nm. c Particle size distribution histograms of TRIDENT measured by DLS. d UV-vis absorption spectra of free IMP, free IR780, vehicle, and TRIDENT. e Colloidal stability of TRIDENT in different solutions. NS normal saline, LB lysogeny broth. Data are presented as mean ± s.d. (n = 4). Source data are provided as a Source Data file