생체재료학회지 (Biomaterials Research)

  • 제20권4호
  • /
  • Pages.236-242
  • /
  • 2016
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  • 1226-4601(pISSN)
  • /
  • 2055-7124(eISSN)
한국생체재료학회 (Korean Society for Biomaterials)
권호 표지
DOI QR코드

DOI QR Code

Polypyrrole-incorporated conductive hyaluronic acid hydrogels

  • Yang, Jongcheol (School of Materials Science and Engineering, Gwangju Institute of Science and Engineering (GIST)) ;
  • Choe, Goeun (School of Materials Science and Engineering, Gwangju Institute of Science and Engineering (GIST)) ;
  • Yang, Sumi (School of Materials Science and Engineering, Gwangju Institute of Science and Engineering (GIST)) ;
  • Jo, Hyerim (School of Materials Science and Engineering, Gwangju Institute of Science and Engineering (GIST)) ;
  • Lee, Jae Young (School of Materials Science and Engineering, Gwangju Institute of Science and Engineering (GIST))
  • 투고 : 2016.07.28
  • 심사 : 2016.09.14
  • 발행 : 2016.12.01
⟨ 이전 논문 다음 논문 ⟩

초록

Background: Hydrogels that possess hydrophilic and soft characteristics have been widely used in various biomedical applications, such as tissue engineering scaffolds and drug delivery. Conventional hydrogels are not electrically conductive and thus their electrical communication with biological systems is limited. Method: To create electrically conductive hydrogels, we fabricated composite hydrogels of hyaluronic acid and polypyrrole. In particular, we synthesized and used pyrrole-hyaluronic acid-conjugates and further chemically polymerized polypyrrole with the conjugates for the production of conductive hydrogels that can display suitable mechanical and structural properties. Results: Various characterization methods, using a rheometer, a scanning electron microscope, and an electrochemical analyzer, revealed that the PPy/HA hydrogels were soft and conductive with ~ 3 kPa Young's modulus and ~ 7.3 mS/cm conductivity. Our preliminary in vitro culture studies showed that fibroblasts were well attached and grew on the conductive hydrogels. Conclusion: These new conductive hydrogels will be greatly beneficial in fields of biomaterials in which electrical properties are important such as tissue engineering scaffolds and prosthetic devices.

키워드

과제정보

연구 과제 주관 기관 : National Research Foundation of Korea (NRF), Korea Health Industry Development Institute (KHIDI)

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