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. 2023 Jan 11;14:155. doi: 10.1038/s41467-023-35850-4

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© The Author(s) 2023

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. 5 — a Circular dichroism (CD) spectra (10 μM, CHCl₃, RT) of Δ- and Λ-[2a]Cl in the presence of resorcin[4]arene 1a (0, 30, 60, 120 μM). b Normalized circularly polarized luminescence (CPL) spectra (50 μM, CHCl₃, RT) of enantiomerically pure Ir complex [2a]Cl (50 μM) with resorcin[4]arene monomer 1a (0, 300, 600 μM), which was obtained from division of the 2ΔI curve by the maximum of the emission intensity. All samples solutions containing [2a]Cl and 1a were heated at 50 °C for 1 min before the measurements.