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Journal: Materials Today Bio
Article Title: Natural carrier-free self-assembled binary polyphenol nanoparticles remodel the gut microenvironment for inflammatory bowel disease prevention
doi: 10.1016/j.mtbio.2026.103063
Figure Lengend Snippet: Physicochemical Characterization and Elucidation of the Self-Assembly Mechanism of Cur-Ant Nanoparticles. (a, b) Scanning electron microscopy (SEM) images of Cur-Ant nanostructures formed at different molar ratios: (a) spherical nanoparticles (Cur:Ant = 1:1, 1:2, 1:3, 1:4) and (b) nanofibers (Cur:Ant = 2:1). (c) Dynamic light scattering (DLS) analysis of the particle size distribution of Cur-Ant NPs. (e) Zeta potential of free Cur, Cur-Ant (1:1), and Cur-Ant (1:3) NPs. (f) Dispersibility of Cur and Cur-Ant NPs in different relevant media: PBS (pH 2.0), PBS (pH 7.4), deionized water (D-water), and 1% DMSO. (g) UV-vis absorption spectra of free Cur, free Ant, Cur-Ant (1:1) and Cur-Ant (1:3) NPs. (h) Fluorescence emission spectra of free Cur, free Ant, Cur-Ant (1:1) and Cur-Ant (1:3). (i) Fourier-transform infrared (FT-IR) spectra of the samples, indicating intermolecular interactions. (j) X-ray diffraction (XRD) patterns revealing the physical state of the samples. (k) 1 H nuclear magnetic resonance (NMR) spectra of free Cur, free Ant, and Cur-Ant NPs in DMSO- d 6 , elucidating the molecular interaction sites during self-assembly.
Article Snippet: 1 H
Techniques: Electron Microscopy, Zeta Potential Analyzer, Fluorescence, Fourier Transform Infrared Spectroscopy, Nuclear Magnetic Resonance