Fig. 3: Evaluation of photothermal and multi-enzymatic catalytic activity of Pd2Sn-SP nanocomposites.
From: Intermetallics triggering pyroptosis and disulfidptosis in cancer cells promote anti-tumor immunity
a Schematic illustration for the detection of photothermal and multi-enzymatic catalytic activity. b The fitting curve of the mass extinction coefficient of Pd2Sn-SP NRs and Pd2Sn-SP NDs. c The concentration-dependent photothermal heating curves, d photothermal heating and natural cooling cycles of Pd2Sn-SP NRs. e Photothermal heating and cooling curve and the relationship between −Lnθ and the time. f, g Diagram and ESR spectra of ·OH with different treatments. UV–vis absorption spectra of h OPD and i TMB catalyzed by Pd2Sn-SP NRs under various conditions. j Michaelis–Menten kinetic analysis and k Lineweaver–Burk plotting for POD-mimic activity of Pd2Sn-SP nanocomposites. l Comparison of the kinetic parameters for POD-mimic activity of Pd2Sn-SP with different morphologies. m Schematic illustration of the mutual promotion of multi-enzyme activity. n OXD-mimic activity of Pd2Sn-SP NRs at various times. Time-dependent O2 production of Pd2Sn-SP NRs o with different concentrations and p with or without laser irradiation. q Glucose consumption of Pd2Sn@GOx-SP. r The change of pH value at different times. Data are expressed as mean ± S.D. (n = 3) independent experiments in (h–k, q, r). Source data are provided as a Source Data file (arb. units arbitrary units).
