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Related Experiment Videos

Activated charcoal microcapsules and their applications

T Chandy1, C P Sharma

  • 1Division of Biosurface Technology, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Poojapura, Trivandrum, India.

Journal of Biomaterials Applications
|October 20, 1998
PubMed
Summary
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Activated charcoal hemoperfusion purifies blood but faces challenges. Microencapsulation, like with chitosan encapsulated activated charcoal (ACCB) beads, improves biocompatibility for medical use.

Area of Science:

  • Biomedical Engineering
  • Materials Science
  • Nephrology

Background:

  • Activated charcoal has historical therapeutic uses and recent medical applications in blood purification.
  • Activated charcoal hemoperfusion effectively removes circulating toxins but suffers from particulate release and platelet adhesion, limiting clinical use.
  • Polymeric coatings and microencapsulation enhance the hemocompatibility of activated charcoal.

Purpose of the Study:

  • To review methods for microencapsulating activated charcoal for biomedical applications.
  • To highlight the importance of chitosan encapsulated activated charcoal (ACCB) beads for toxin removal.
  • To provide insights into future clinical perspectives of microencapsulated activated charcoal.

Main Methods:

  • Investigation of various microencapsulation techniques for activated charcoal.

Related Experiment Videos

  • Extensive study of chitosan encapsulated activated charcoal (ACCB) beads.
  • Evaluation of ACCB for the removal of toxins like urea, creatinine, uric acid, and bilirubin.

    • Main Results:

    • Microencapsulation and polymeric coatings significantly improve the blood compatibility of activated charcoal.
    • Chitosan encapsulated activated charcoal (ACCB) beads demonstrate efficacy in removing various uremic toxins and bilirubin.
    • ACCB shows promise for improved hemoperfusion therapies.

    Conclusions:

    • Microencapsulation is a crucial strategy to overcome the limitations of activated charcoal in hemoperfusion.
    • Chitosan encapsulated activated charcoal (ACCB) represents a promising biomaterial for enhanced blood purification.
    • Further research into ACCB holds potential for advancing clinical applications in treating toxic conditions.