Science Advances

Supplementary Materials

This PDF file includes:

  • Fig. S1. Schematic illustration of the fabrication process of the flexible multiple electrochemical sensor array.
  • Fig. S2. Hydrophilic characterization of carbonized silk fabric.
  • Fig. S3. XPS survey spectrum and C1s peak of carbonized silk fabric.
  • Fig. S4. I-V curves of carbonized silk fabric obtained at different temperatures.
  • Fig. S5. High-resolution XPS spectra of N1s for SilkNCT obtained at different temperatures.
  • Fig. S6. DPV responses of SilkNCT and C-cotton–based AA sensors to AA.
  • Fig. S7. Schematic diagram showing the working mechanisms of each sensor.
  • Fig. S8. SEM images of modified electrode for enzyme-based sensors.
  • Fig. S9. SEM images of modified electrode for ion-selective sensors.
  • Fig. S10. Sensing performance of the flexible SilkNCT-based electrochemical sensors for multiple biomarkers.
  • Fig. S11. Photographs of a sensing patch fabricated on a common silk fabric.
  • Fig. S12. Flexibility and stability of the SilkNCT-based flexible electrochemcial sensors.
  • Table S1. Atomic composition of pristine and carbonized silk fabric (obtained at 900°C).
  • Table S2. Gross content of N and relative content of various N species in SilkNCT samples obtained at different temperatures.
  • Table S3. Comparison of the sensitivity for various biomarkers of the recently reported wearable electrochemical sensors for sweat analysis with this work.
  • References (4148)

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