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Crosslinking of gelatin-based drug carriers by genipin induces changes in drug kinetic profiles in vitro

  • Goutam Thakur
  • Analava Mitra
  • Dérick RousseauEmail author
  • Amit Basak
  • Siddik Sarkar
  • Kunal Pal
Article

Abstract

Hydrogels are extensively studied as carrier matrices for the controlled release of bioactive molecules. The aim of this study was to design gelatin-based hydrogels crosslinked with genipin and study the impact of crosslinking temperature (5, 15 or 25°C) on gel strength, microstructure, cytocompatibility, swelling and drug release. Gels crosslinked at 25°C exhibited the highest Flory–Rehner crosslink density, lowest swelling ratio and the slowest release of indomethacin (Idn, model anti-inflammatory drug). Diffusional exponents (n) indicated non-Fickian swelling kinetics while drug transport was anomalous. Hydrogel biocompatibility, in vitro cell viability, cell cycle experiments with AH-927 and HaCaT cell lines indicated normal cell proliferation without any effect on cell cycle. Overall, these results substantiated the use of genipin-crosslinked hydrogels as a viable carrier matrix for drug release applications.

Keywords

Gelatin Drug Release HaCaT Cell Genipin Whiteness Index 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgments

Funding from the Natural Science and Engineering Research Council of Canada (NSERC) is acknowledged. Author Thakur acknowledges Sutapa Mukherjee, Joydip Kundu, Pallab Dutta, Shubhadeep Banerjee and Sanat Dey of Indian Institute of Technology Kharagpur and Muhammad Ali Naqvi, Renuka Gupta, Roomana Aafaqi of Ryerson University for their technical assistance. He is also thankful to Dr. Mahitosh Mandal for access to cell culture facilities.

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Copyright information

© Springer Science+Business Media, LLC 2010

Authors and Affiliations

  • Goutam Thakur
    • 1
  • Analava Mitra
    • 1
  • Dérick Rousseau
    • 2
    Email author
  • Amit Basak
    • 3
  • Siddik Sarkar
    • 1
  • Kunal Pal
    • 4
  1. 1.School of Medical Science and TechnologyIndian Institute of Technology KharagpurKharagpurIndia
  2. 2.Department of Chemistry and BiologyRyerson UniversityTorontoCanada
  3. 3.Department of ChemistryIndian Institute of Technology KharagpurKharagpurIndia
  4. 4.Department of Biotechnology and Medical EngineeringNational Institute of Technology RourkelaRourkelaIndia

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