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Article

Effects of dimethylolpropionic acid modification on the characteristics of polyethylene terephthalate fibers

  • Authors:
    • Zhaosong Huang
    • Long Bi
    • Zhenyu Zhang
    • Yisheng Han
  • View Affiliations / Copyright

    Affiliations: Institute of Orthopaedics, The 323rd Hospital of PLA, Xi'an, P.R. China, Institute of Orthopaedics, Xijing Hospital, The Fourth Military Medical University, Xi'an, P.R. China
  • Pages: 709-715
    |
    Published online on: July 30, 2012
       https://doi.org/10.3892/mmr.2012.1012
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Abstract

Polyethylene terephthalate (PET) fibers are widely used in the preparation of artificial ligaments. However, due to their lack of hydrophilicity, PET fibers have low biocompatibility, which usually results in the poor biological activity of the products. In the present study, in order to improve the hydrophilicity and biocompatibility of PET fibers, we modified their surface using dimethylolpropionic acid (DMPA). Scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), X-ray diffraction (XRD), tensile testing and cell culture were employed to observe the effects of DMPA modification on the characteristics of the DMPA-PET fibers. In contrast to the original PET fibers, the surface of the DMPA-PET fibers became rough as demonstrated by SEM. The FTIR spectrum further confirmed that a number of hydrophilic groups were formed on the surface of DMPA-PET. However, there were no significant changes in crystallinity and tensile strength between the PET and the DMPA-PET fibers as revealed by DSC and XRD (P>0.05). Finally, the cell co-culture test revealed that the adhesion and proliferation of bone marrow‑derived stromal cells increased greatly on the DMPA-PET fibers compared to those on the original PET fibers (P<0.05). These results demonstrate that DMPA-PET fibers have significant potential as a material for the development of artificial ligaments.
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Copy and paste a formatted citation
Spandidos Publications style
Huang Z, Bi L, Zhang Z and Han Y: Effects of dimethylolpropionic acid modification on the characteristics of polyethylene terephthalate fibers. Mol Med Rep 6: 709-715, 2012.
APA
Huang, Z., Bi, L., Zhang, Z., & Han, Y. (2012). Effects of dimethylolpropionic acid modification on the characteristics of polyethylene terephthalate fibers. Molecular Medicine Reports, 6, 709-715. https://doi.org/10.3892/mmr.2012.1012
MLA
Huang, Z., Bi, L., Zhang, Z., Han, Y."Effects of dimethylolpropionic acid modification on the characteristics of polyethylene terephthalate fibers". Molecular Medicine Reports 6.4 (2012): 709-715.
Chicago
Huang, Z., Bi, L., Zhang, Z., Han, Y."Effects of dimethylolpropionic acid modification on the characteristics of polyethylene terephthalate fibers". Molecular Medicine Reports 6, no. 4 (2012): 709-715. https://doi.org/10.3892/mmr.2012.1012
Copy and paste a formatted citation
x
Spandidos Publications style
Huang Z, Bi L, Zhang Z and Han Y: Effects of dimethylolpropionic acid modification on the characteristics of polyethylene terephthalate fibers. Mol Med Rep 6: 709-715, 2012.
APA
Huang, Z., Bi, L., Zhang, Z., & Han, Y. (2012). Effects of dimethylolpropionic acid modification on the characteristics of polyethylene terephthalate fibers. Molecular Medicine Reports, 6, 709-715. https://doi.org/10.3892/mmr.2012.1012
MLA
Huang, Z., Bi, L., Zhang, Z., Han, Y."Effects of dimethylolpropionic acid modification on the characteristics of polyethylene terephthalate fibers". Molecular Medicine Reports 6.4 (2012): 709-715.
Chicago
Huang, Z., Bi, L., Zhang, Z., Han, Y."Effects of dimethylolpropionic acid modification on the characteristics of polyethylene terephthalate fibers". Molecular Medicine Reports 6, no. 4 (2012): 709-715. https://doi.org/10.3892/mmr.2012.1012
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