Copyright (c) 2014 AJC
This work is licensed under a Creative Commons Attribution 4.0 International License.
Swelling Behaviours of Silk Fibroin-Polyurethane Composite Hydrogels
Corresponding Author(s) : Guangmei Chen
Asian Journal of Chemistry,
Vol. 26 No. 5 (2014): Vol 26 Issue 5
Abstract
Silk fibroin-polyurethane (SF-PU) hydrogels with different SF/PU ratios were fabricated. FTIR was applied to characterize the structure of the hydrogels. It was found that cross-linked network formed through chemical reactions between -NCO groups on the PU chain and -NH2, -OH groups on the SF chains, in addition to the hydrogen bonding interactions. SEM was taken to observe the morphology of hydrogels exhibited a porous structure. The swelling ratio of hydrogel could be as high as 4.37 and it decreased with the increase of SF contents. Due to that the diffusion exponent (n) was about 0.45, the initial swelling stages were thought to be controlled by the Fickian diffusion. For the whole swelling process, experimental results well fitted into the Schott second-order kinetic equation.
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- M. Guvendiren, H.D. Lu and J.A. Burdick, Soft Matter, 8, 260 (2011); doi:10.1039/c1sm06513k.
- A. Di Martino, A.R. Vaccaro, J.Y. Lee, V. Denaro and M.R. Lim, Spine, 30(16S), S16 (2005); doi:10.1097/01.brs.0000174530.88585.32.
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- G.H. Altman, F. Diaz, C. Jakuba, T. Calabro, R.L. Horan, J. Chen, H. Lu, J. Richmond and D.L. Kaplan, Biomaterials, 24, 401 (2003); doi:10.1016/S0142-9612(02)00353-8.
- S.S. Silva, A. Motta, M.T. Rodrigues, A.F.M. Pinheiro, M.E. Gomes, J.F. Mano, R.L. Reis and C. Migliaresi, Biomacromolecules, 9, 2764 (2008); doi:10.1021/bm800874q.
- E.S. Gil, S.H. Park, L.W. Tien, B. Trimmer, S.M. Hudson and D.L. Kaplan, Langmuir, 26, 15614 (2010); doi:10.1021/la102509a.
- B.B. Mandal, S. Kapoor and S.C. Kundu, Biomaterials, 30, 2826 (2009); doi:10.1016/j.biomaterials.2009.01.040.
- H.J. Yoo and H.D. Kim, J. Biomed. Mater. Res. B Appl. Biomater., 85, 326 (2008); doi:10.1002/jbm.b.30950.
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- H. Schott, J. Macromol. Sci. Part B Phys., 31, 1 (1992); doi:10.1080/00222349208215453.
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References
M. Guvendiren, H.D. Lu and J.A. Burdick, Soft Matter, 8, 260 (2011); doi:10.1039/c1sm06513k.
A. Di Martino, A.R. Vaccaro, J.Y. Lee, V. Denaro and M.R. Lim, Spine, 30(16S), S16 (2005); doi:10.1097/01.brs.0000174530.88585.32.
Y.S. Jo, J. Gantz, J.A. Hubbell and M.P. Lutolf, Soft Matter, 5, 440 (2009); doi:10.1039/b814584a.
G.H. Altman, F. Diaz, C. Jakuba, T. Calabro, R.L. Horan, J. Chen, H. Lu, J. Richmond and D.L. Kaplan, Biomaterials, 24, 401 (2003); doi:10.1016/S0142-9612(02)00353-8.
S.S. Silva, A. Motta, M.T. Rodrigues, A.F.M. Pinheiro, M.E. Gomes, J.F. Mano, R.L. Reis and C. Migliaresi, Biomacromolecules, 9, 2764 (2008); doi:10.1021/bm800874q.
E.S. Gil, S.H. Park, L.W. Tien, B. Trimmer, S.M. Hudson and D.L. Kaplan, Langmuir, 26, 15614 (2010); doi:10.1021/la102509a.
B.B. Mandal, S. Kapoor and S.C. Kundu, Biomaterials, 30, 2826 (2009); doi:10.1016/j.biomaterials.2009.01.040.
H.J. Yoo and H.D. Kim, J. Biomed. Mater. Res. B Appl. Biomater., 85, 326 (2008); doi:10.1002/jbm.b.30950.
C.H. Lin, W.C. Jao, Y.H. Yeh, W.-C. Lin and M.-C. Yang, Colloids Surf. B, 70, 132 (2009); doi:10.1016/j.colsurfb.2008.12.020.
J. Hu, B. Chen, F. Guo, J. Du, P. Gu, X. Lin, W. Yang, H. Zhang, M. Lu, Y. Huang and G. Xu, J. Mater. Sci. Mater. Med., 23, 711 (2012); doi:10.1007/s10856-011-4533-y.
Y.P. Huang, B.P. Zhang, G.W. Xu and W. Hao, Compos. Sci. Technol., 84, 15 (2013); doi:10.1016/j.compscitech.2013.05.007.
J. Chen, H. Park and K. Park, J. Biomed. Mater. Res., 44, 53 (1999); doi:10.1002/(SICI)1097-4636(199901)44:1<53::AID-JBM6>3.0.CO;2-W.
J. Yang, F. Wang and T. Tan, J. Appl. Polym. Sci., 111, 1557 (2009); doi:10.1002/app.29003.
Y. Zhao, T. Tan and T. Kinoshita, J. Polym. Sci., B, Polym. Phys., 48, 666 (2010); doi:10.1002/polb.21936.
H. Schott, J. Macromol. Sci. Part B Phys., 31, 1 (1992); doi:10.1080/00222349208215453.
H.K. Can, B.K. Denizli, S. Kavlak and A. Guner, Radiat. Phys. Chem., 72, 483 (2005); doi:10.1016/j.radphyschem.2003.12.056.