fig8

From: Functional fluorescent probes for efficient identification and detection of mercury ions based on fluorescence emission, quenching, and resonance energy transfer processes

Functional fluorescent probes for efficient identification and detection of mercury ions based on fluorescence emission, quenching, and resonance energy transfer processes

Figure 8. (A) Proposed formation of supramolecular polymer process for Hg²⁺ removal; (B) Partial spectra of ¹H NMR titration of 1 with Hg²⁺; (C) Characterization of the supramolecular complex 2⊂1@Hg²⁺. TEM and SEM images of 2⊂1@Hg²⁺. DLS study of 2⊂1@Hg²⁺ ([1] = [Hg²⁺] = 0.50 mM; [2] = 0.25 mM); (D) Fluorescence spectral analysis of 2⊂1 with different concentrations of Hg²⁺; (E) Fluorescence intensity of 2⊂1 in the presence of various metal ions^[73]. Copyright 2017 American Chemical Society. NMR: Nuclear magnetic resonance; TEM: transmission electron microscopy; SEM: scanning electron microscope; DLS: dynamic light scattering.