Journal: Bioactive Materials

Article Title: Energetic metabolism-regulatory glycopeptide hydrogel accelerates pressure ulcer wound repair

doi: 10.1016/j.bioactmat.2026.02.016

Figure Lengend Snippet: Self-healing and characterization of GMI gel . A) CD spectrum of GM, MI, and GMI at a concentration of 0.1 mg/mL. B) Representative TEM image of GMI. C) Rheology of GMI gel under frequency sweeps in the range of 0.1 - 100 rad/s. D) Rheology of GMI gel as a function of time. E) Strain sweeps of GMI gel as function of shear strain. F) The self-healing analysis of GMI gel with an oscillating force (100%) alternating with a small one (5%). G) Representative SEM images of GMI gel .

Article Snippet: The interior morphology of GMI gel was examined by SEM (Hitachi S-4800, Tokyo, Japan).

Techniques: Concentration Assay, Shear

Journal: Bioactive Materials

Article Title: Energetic metabolism-regulatory glycopeptide hydrogel accelerates pressure ulcer wound repair

doi: 10.1016/j.bioactmat.2026.02.016

Figure Lengend Snippet: The antimicrobial capacity of GMI gel . A, B) Effect of GMI gel prepared by different proportions of MI on the survival rate of MRSA and E. coli , n = 5. C-E) Effects of different treatments on ATP, K + and β-GAL in MRSA, n = 3. F) Photographs of MRSA and E. coli colonies after different treatments. G) SEM images of MRSA and E. coli bacteria after different treatments. The yellow arrow indicates the disruption of the bacterial cell membrane. H) Representative TEM images of GMI gel -treated MRSA and E. coli. I) Live/dead staining fluorescence images of MRSA and E. coli after GMI gel treatment. J) Live/dead stained 3D fluorescence image of MRSA biofilm after GMI gel treatment. K, L) Representative images and quantitative analysis of MRSA biofilm crystal violet staining after different treatments, n = 3. Data are shown as mean ± SDs. ∗∗∗ p < 0.001, ∗∗∗∗ p < 0.0001.

Article Snippet: The interior morphology of GMI gel was examined by SEM (Hitachi S-4800, Tokyo, Japan).

Techniques: Bacteria, Disruption, Membrane, Staining, Fluorescence

Journal: Materials Today Bio

Article Title: Macrophage exosome-engineered nanoplatform with pH-responsive ratiometric photoacoustic and NIR-II fluorescence imaging for guided photothermal immunotherapy of hepatocellular carcinoma

doi: 10.1016/j.mtbio.2026.103058

Figure Lengend Snippet: Synthesis and characterization of aCD47-CATE nanoplatform. (A) The preparation of aCD47-CATE nanoplatform. (B) UV-Vis absorption spectra of Croc under different pH. (C) The morphology of the aCD47-CATE nanostructure as visualized by transmission electron microscopy (TEM), scale bar = 100 nm (up) and scanning electron microscope (SEM), scale bar = 200 nm (down). (D) Changes in the zeta potential that occurred during the synthesis steps for both CATE and aCD47-CATE nanoplatform. Data are presented as mean ± SD (n = 3). (E) A characteristic high-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM) micrograph, presented alongside the associated elemental distribution maps for the aCD47-CATE nanoplatform. (F) NIR-II thermal images of the aCD47-CATE nanoplatform in a phantom under 1064 nm laser irradiation at different power densities (0.5, 1.0, 1.5, 2.0 W/cm 2 ) for 360 s. (G) Graphs depicting the temperature rise for the aCD47-CATE NPs under different laser power at 1064 nm laser irradiation. (H) Multiple heating cycles of aCD47-CATE nanoplatform under 1.0 W/cm 2 at 1064 nm laser irradiation.

Article Snippet: Transmission electron microscope (TEM) images were captured with a JEOL JEM-2100, and Scanning Electron Microscope (SEM) images were obtained using a JEOL Model JSM-6490.

Techniques: Transmission Assay, Electron Microscopy, Microscopy, Zeta Potential Analyzer, Irradiation