Characteristics of Sodium Polyacrylate/Nano-Sized Carbon Hydrogel for Biomedical Patch

J Nanosci Nanotechnol. 2018 Mar 1;18(3):1611-1614. doi: 10.1166/jnn.2018.15003.


Conductive hydrogels were prepared for biomedical patch in order to improve the electrical conductivity. Sodium polyacrylate and nano-sized carbon were mixed and fabricated by aqueous solution gelation process in various contents of nano-sized carbon with 0.1, 0.5, 1.0 and 2.0 wt%. Sodium polyacrylate/nano-sized carbon conductive hydrogels were investigated by molecular structure, surface morphology and electrical conductivity. The conductivity of the hydrogel/nano-sized carbon conductive hydrogel proved to be 10% higher than conductive hydrogel without nano-sized carbon. However, it was founded that conductive hydrogels with nano-sized carbon content from 0.5 up to 2.0 wt% were remarkably decreased. This may be due to the non-uniform distribution of nano-sized carbon, resulting from agglomerates of nano-sized carbon. The developed hydrogel is intended for use in the medical and cosmetic fields that is applicable to supply micro-current from device to human body.

MeSH terms

  • Acrylic Resins*
  • Carbon
  • Electric Conductivity
  • Equipment and Supplies
  • Humans
  • Hydrogels*


  • Acrylic Resins
  • Hydrogels
  • carbopol 940
  • Carbon