File Name : figure s1.tif Caption : figure s1. the eds spectra of the pani@mos₂@fe₃o₄@au nanocomposites. File Name : figure s2.tif Caption : figure s2. xps spectra of s 2p of the pani@mos₂@fe₃o₄@au nanozymes. File Name : figure s3.tif Caption : figure s3. the sers spectra of tmb molecules during the reaction on the surface of pani@mos₂@fe₃o₄@au nanozymes prepared at different concentrations of haucl₄. [pani@mos₂@fe₃o₄@au] = 10 µl (100 μg·ml^-1); [tmb] = 10 µl (1 mm); [h₂o₂] = 10 µl (10^-5 m). File Name : figure s4.tif Caption : figure s4. peroxidase activities under varied reaction conditions. (a) a ph-dependent response curve is performed at ph 2.0-7.0. (b) temperature (20°c, 25°c, 30°c, 35°c, 40°c, 45°c, 50°c, 55°c, 60°c, 65°c). (c) effect of pani@mos₂@fe₃o₄@au concentration on catalytic efficiency (10, 20, 30, 40, 50, 60, 70, 80, 90, 100, 110, 120, 130 mg·ml^-1)，and (c) dependence of the peroxidase-like activity on time (0, 2, 4, 6, 8, 10, 12 min). (d) system reaction changes with time (0, 2, 4, 6, 8, 10, 12 min). error bars represent the standard error derived from three repeated measurements. File Name : figure s5.tif Caption : figure s5. uv-vis-kinetic assays of the pani@mos₂@fe₃o₄@au nanozymes. (a) plots of the velocity of the reaction versus different concentrations of h₂o₂ (0.5 mm tmb). (b) lineweaver-burk plots of the velocity versus varying concentration of h₂o₂. (c) plots of the velocity of the reaction versus different concentrations of tmb (1 mm h₂o₂). (d) lineweaver-burk plots of the velocity versus varying concentration of tmb. File Name : figure s6.tif Caption : figure s6. xrd patterns of pani@mos₂@fe₃o₄@au nanozyme after 7 days in pbs. File Name : figure s7.tif Caption : firure s7. sers spectra of glucose(10^-5 m) determination of pani@mos₂@fe₃o₄@au nanozymes in 5 weeks. File Name : figure s8_1_.tif Caption : figure s8(1) File Name : figure s8_2_.tif Caption : figure s8. the raman spectrum of the glucose content of human serum sample 1 after the addition of the value [ (a) 2 mm, (c) 4 mm, (e) 6 mm) ] determined by the sers method and the corresponding intensity histogram at 1609 cm^-1 [ (b) 2 mm, (d) 4 mm, (f) 6 mm) ]. sample 1 is a human serum with a glucose concentration of 3.28 mm. the raman spectrum of the glucose content of human serum sample 2 after the addition of the value [ (g) 2 mm, (i) 4 mm, (k) 6 mm) ] determined by the sers method and the corresponding intensity histogram at 1609 cm^-1 [ (h) 2 mm, (j) 4 mm, (l) 6 mm) ]. sample 2 is a human serum with a glucose concentration of 5.12 mm.