Engineered polycaprolactone–magnesium hybrid biodegradable porous scaffold for bone tissue engineering

In this paper, we describe the fabrication of a new biodegradable porous scaffold composed of polycaprolactone (PCL) and magnesium (Mg) micro-particles. The compressive modulus of PCL porous scaffold was increased to at least 150% by incorporating 29% Mg particles with the porosity of 74% using Micr...
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Autor*in:	Hoi Man Wong [verfasserIn] Paul K. Chu [verfasserIn] Frankie K.L. Leung [verfasserIn] Kenneth M.C. Cheung [verfasserIn] Keith D.K. Luk [verfasserIn] Kelvin W.K. Yeung [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2014

Schlagwörter:	Magnesium Polycaprolactone Biodegradability Biocompatibility Mechanical properties

Übergeordnetes Werk:	In: Progress in Natural Science: Materials International - Elsevier, 2016, 24(2014), 5, Seite 561-567
Übergeordnetes Werk:	volume:24 ; year:2014 ; number:5 ; pages:561-567

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1016/j.pnsc.2014.08.013

Katalog-ID:	DOAJ068637004

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520			\|a In this paper, we describe the fabrication of a new biodegradable porous scaffold composed of polycaprolactone (PCL) and magnesium (Mg) micro-particles. The compressive modulus of PCL porous scaffold was increased to at least 150% by incorporating 29% Mg particles with the porosity of 74% using Micro-CT analysis. Surprisingly, the compressive modulus of this scaffold was further increased to at least 236% when the silane-coupled Mg particles were added. In terms of cell viability, the scaffold modified with Mg particles significantly convinced the attachment and growth of osteoblasts as compared with the pure PCL scaffold. In addition, the hybrid scaffold was able to attract the formation of apatite layer over its surface after 7 days of immersion in normal culture medium, whereas it was not observed on the pure PCL scaffold. This in vitro result indicated the enhanced bioactivity of the modified scaffold. Moreover, enhanced bone forming ability was also observed in the rat model after 3 months of implantation. Though bony in-growth was found in all the implanted scaffolds. High volume of new bone formation could be found in the Mg/PCL hybrid scaffolds when compared to the pure PCL scaffold. Both pure PCL and Mg/PCL hybrid scaffolds were degraded after 3 months. However, no tissue inflammation was observed. In conclusion, these promising results suggested that the incorporation of Mg micro-particles into PCL porous scaffold could significantly enhance its mechanical and biological properties. This modified porous bio-scaffold may potentially apply in the surgical management of large bone defect fixation.
650		4	\|a Magnesium
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700	0		\|a Keith D.K. Luk \|e verfasserin \|4 aut
700	0		\|a Kelvin W.K. Yeung \|e verfasserin \|4 aut
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author_variant	h m w hmw p k c pkc f k l fkl k m c kmc k d l kdl k w y kwy
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allfields	10.1016/j.pnsc.2014.08.013 doi (DE-627)DOAJ068637004 (DE-599)DOAJ27f45f8decd1428981c34786f74294e3 DE-627 ger DE-627 rakwb eng TA401-492 Hoi Man Wong verfasserin aut Engineered polycaprolactone–magnesium hybrid biodegradable porous scaffold for bone tissue engineering 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this paper, we describe the fabrication of a new biodegradable porous scaffold composed of polycaprolactone (PCL) and magnesium (Mg) micro-particles. The compressive modulus of PCL porous scaffold was increased to at least 150% by incorporating 29% Mg particles with the porosity of 74% using Micro-CT analysis. Surprisingly, the compressive modulus of this scaffold was further increased to at least 236% when the silane-coupled Mg particles were added. In terms of cell viability, the scaffold modified with Mg particles significantly convinced the attachment and growth of osteoblasts as compared with the pure PCL scaffold. In addition, the hybrid scaffold was able to attract the formation of apatite layer over its surface after 7 days of immersion in normal culture medium, whereas it was not observed on the pure PCL scaffold. This in vitro result indicated the enhanced bioactivity of the modified scaffold. Moreover, enhanced bone forming ability was also observed in the rat model after 3 months of implantation. Though bony in-growth was found in all the implanted scaffolds. High volume of new bone formation could be found in the Mg/PCL hybrid scaffolds when compared to the pure PCL scaffold. Both pure PCL and Mg/PCL hybrid scaffolds were degraded after 3 months. However, no tissue inflammation was observed. In conclusion, these promising results suggested that the incorporation of Mg micro-particles into PCL porous scaffold could significantly enhance its mechanical and biological properties. This modified porous bio-scaffold may potentially apply in the surgical management of large bone defect fixation. Magnesium Polycaprolactone Biodegradability Biocompatibility Mechanical properties Materials of engineering and construction. Mechanics of materials Paul K. Chu verfasserin aut Frankie K.L. Leung verfasserin aut Kenneth M.C. Cheung verfasserin aut Keith D.K. Luk verfasserin aut Kelvin W.K. Yeung verfasserin aut In Progress in Natural Science: Materials International Elsevier, 2016 24(2014), 5, Seite 561-567 (DE-627)357170946 (DE-600)2094449-4 10020071 nnns volume:24 year:2014 number:5 pages:561-567 https://doi.org/10.1016/j.pnsc.2014.08.013 kostenfrei https://doaj.org/article/27f45f8decd1428981c34786f74294e3 kostenfrei http://www.sciencedirect.com/science/article/pii/S1002007114001166 kostenfrei https://doaj.org/toc/1002-0071 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2036 GBV_ILN_2037 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2119 GBV_ILN_2129 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2700 GBV_ILN_2817 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4392 GBV_ILN_4393 GBV_ILN_4753 AR 24 2014 5 561-567
spelling	10.1016/j.pnsc.2014.08.013 doi (DE-627)DOAJ068637004 (DE-599)DOAJ27f45f8decd1428981c34786f74294e3 DE-627 ger DE-627 rakwb eng TA401-492 Hoi Man Wong verfasserin aut Engineered polycaprolactone–magnesium hybrid biodegradable porous scaffold for bone tissue engineering 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this paper, we describe the fabrication of a new biodegradable porous scaffold composed of polycaprolactone (PCL) and magnesium (Mg) micro-particles. The compressive modulus of PCL porous scaffold was increased to at least 150% by incorporating 29% Mg particles with the porosity of 74% using Micro-CT analysis. Surprisingly, the compressive modulus of this scaffold was further increased to at least 236% when the silane-coupled Mg particles were added. In terms of cell viability, the scaffold modified with Mg particles significantly convinced the attachment and growth of osteoblasts as compared with the pure PCL scaffold. In addition, the hybrid scaffold was able to attract the formation of apatite layer over its surface after 7 days of immersion in normal culture medium, whereas it was not observed on the pure PCL scaffold. This in vitro result indicated the enhanced bioactivity of the modified scaffold. Moreover, enhanced bone forming ability was also observed in the rat model after 3 months of implantation. Though bony in-growth was found in all the implanted scaffolds. High volume of new bone formation could be found in the Mg/PCL hybrid scaffolds when compared to the pure PCL scaffold. Both pure PCL and Mg/PCL hybrid scaffolds were degraded after 3 months. However, no tissue inflammation was observed. In conclusion, these promising results suggested that the incorporation of Mg micro-particles into PCL porous scaffold could significantly enhance its mechanical and biological properties. This modified porous bio-scaffold may potentially apply in the surgical management of large bone defect fixation. Magnesium Polycaprolactone Biodegradability Biocompatibility Mechanical properties Materials of engineering and construction. Mechanics of materials Paul K. Chu verfasserin aut Frankie K.L. Leung verfasserin aut Kenneth M.C. Cheung verfasserin aut Keith D.K. Luk verfasserin aut Kelvin W.K. Yeung verfasserin aut In Progress in Natural Science: Materials International Elsevier, 2016 24(2014), 5, Seite 561-567 (DE-627)357170946 (DE-600)2094449-4 10020071 nnns volume:24 year:2014 number:5 pages:561-567 https://doi.org/10.1016/j.pnsc.2014.08.013 kostenfrei https://doaj.org/article/27f45f8decd1428981c34786f74294e3 kostenfrei http://www.sciencedirect.com/science/article/pii/S1002007114001166 kostenfrei https://doaj.org/toc/1002-0071 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2036 GBV_ILN_2037 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2119 GBV_ILN_2129 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2700 GBV_ILN_2817 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4392 GBV_ILN_4393 GBV_ILN_4753 AR 24 2014 5 561-567
allfields_unstemmed	10.1016/j.pnsc.2014.08.013 doi (DE-627)DOAJ068637004 (DE-599)DOAJ27f45f8decd1428981c34786f74294e3 DE-627 ger DE-627 rakwb eng TA401-492 Hoi Man Wong verfasserin aut Engineered polycaprolactone–magnesium hybrid biodegradable porous scaffold for bone tissue engineering 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this paper, we describe the fabrication of a new biodegradable porous scaffold composed of polycaprolactone (PCL) and magnesium (Mg) micro-particles. The compressive modulus of PCL porous scaffold was increased to at least 150% by incorporating 29% Mg particles with the porosity of 74% using Micro-CT analysis. Surprisingly, the compressive modulus of this scaffold was further increased to at least 236% when the silane-coupled Mg particles were added. In terms of cell viability, the scaffold modified with Mg particles significantly convinced the attachment and growth of osteoblasts as compared with the pure PCL scaffold. In addition, the hybrid scaffold was able to attract the formation of apatite layer over its surface after 7 days of immersion in normal culture medium, whereas it was not observed on the pure PCL scaffold. This in vitro result indicated the enhanced bioactivity of the modified scaffold. Moreover, enhanced bone forming ability was also observed in the rat model after 3 months of implantation. Though bony in-growth was found in all the implanted scaffolds. High volume of new bone formation could be found in the Mg/PCL hybrid scaffolds when compared to the pure PCL scaffold. Both pure PCL and Mg/PCL hybrid scaffolds were degraded after 3 months. However, no tissue inflammation was observed. In conclusion, these promising results suggested that the incorporation of Mg micro-particles into PCL porous scaffold could significantly enhance its mechanical and biological properties. This modified porous bio-scaffold may potentially apply in the surgical management of large bone defect fixation. Magnesium Polycaprolactone Biodegradability Biocompatibility Mechanical properties Materials of engineering and construction. Mechanics of materials Paul K. Chu verfasserin aut Frankie K.L. Leung verfasserin aut Kenneth M.C. Cheung verfasserin aut Keith D.K. Luk verfasserin aut Kelvin W.K. Yeung verfasserin aut In Progress in Natural Science: Materials International Elsevier, 2016 24(2014), 5, Seite 561-567 (DE-627)357170946 (DE-600)2094449-4 10020071 nnns volume:24 year:2014 number:5 pages:561-567 https://doi.org/10.1016/j.pnsc.2014.08.013 kostenfrei https://doaj.org/article/27f45f8decd1428981c34786f74294e3 kostenfrei http://www.sciencedirect.com/science/article/pii/S1002007114001166 kostenfrei https://doaj.org/toc/1002-0071 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2036 GBV_ILN_2037 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2119 GBV_ILN_2129 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2700 GBV_ILN_2817 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4392 GBV_ILN_4393 GBV_ILN_4753 AR 24 2014 5 561-567
allfieldsGer	10.1016/j.pnsc.2014.08.013 doi (DE-627)DOAJ068637004 (DE-599)DOAJ27f45f8decd1428981c34786f74294e3 DE-627 ger DE-627 rakwb eng TA401-492 Hoi Man Wong verfasserin aut Engineered polycaprolactone–magnesium hybrid biodegradable porous scaffold for bone tissue engineering 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this paper, we describe the fabrication of a new biodegradable porous scaffold composed of polycaprolactone (PCL) and magnesium (Mg) micro-particles. The compressive modulus of PCL porous scaffold was increased to at least 150% by incorporating 29% Mg particles with the porosity of 74% using Micro-CT analysis. Surprisingly, the compressive modulus of this scaffold was further increased to at least 236% when the silane-coupled Mg particles were added. In terms of cell viability, the scaffold modified with Mg particles significantly convinced the attachment and growth of osteoblasts as compared with the pure PCL scaffold. In addition, the hybrid scaffold was able to attract the formation of apatite layer over its surface after 7 days of immersion in normal culture medium, whereas it was not observed on the pure PCL scaffold. This in vitro result indicated the enhanced bioactivity of the modified scaffold. Moreover, enhanced bone forming ability was also observed in the rat model after 3 months of implantation. Though bony in-growth was found in all the implanted scaffolds. High volume of new bone formation could be found in the Mg/PCL hybrid scaffolds when compared to the pure PCL scaffold. Both pure PCL and Mg/PCL hybrid scaffolds were degraded after 3 months. However, no tissue inflammation was observed. In conclusion, these promising results suggested that the incorporation of Mg micro-particles into PCL porous scaffold could significantly enhance its mechanical and biological properties. This modified porous bio-scaffold may potentially apply in the surgical management of large bone defect fixation. Magnesium Polycaprolactone Biodegradability Biocompatibility Mechanical properties Materials of engineering and construction. Mechanics of materials Paul K. Chu verfasserin aut Frankie K.L. Leung verfasserin aut Kenneth M.C. Cheung verfasserin aut Keith D.K. Luk verfasserin aut Kelvin W.K. Yeung verfasserin aut In Progress in Natural Science: Materials International Elsevier, 2016 24(2014), 5, Seite 561-567 (DE-627)357170946 (DE-600)2094449-4 10020071 nnns volume:24 year:2014 number:5 pages:561-567 https://doi.org/10.1016/j.pnsc.2014.08.013 kostenfrei https://doaj.org/article/27f45f8decd1428981c34786f74294e3 kostenfrei http://www.sciencedirect.com/science/article/pii/S1002007114001166 kostenfrei https://doaj.org/toc/1002-0071 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2036 GBV_ILN_2037 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2119 GBV_ILN_2129 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2700 GBV_ILN_2817 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4392 GBV_ILN_4393 GBV_ILN_4753 AR 24 2014 5 561-567
allfieldsSound	10.1016/j.pnsc.2014.08.013 doi (DE-627)DOAJ068637004 (DE-599)DOAJ27f45f8decd1428981c34786f74294e3 DE-627 ger DE-627 rakwb eng TA401-492 Hoi Man Wong verfasserin aut Engineered polycaprolactone–magnesium hybrid biodegradable porous scaffold for bone tissue engineering 2014 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this paper, we describe the fabrication of a new biodegradable porous scaffold composed of polycaprolactone (PCL) and magnesium (Mg) micro-particles. The compressive modulus of PCL porous scaffold was increased to at least 150% by incorporating 29% Mg particles with the porosity of 74% using Micro-CT analysis. Surprisingly, the compressive modulus of this scaffold was further increased to at least 236% when the silane-coupled Mg particles were added. In terms of cell viability, the scaffold modified with Mg particles significantly convinced the attachment and growth of osteoblasts as compared with the pure PCL scaffold. In addition, the hybrid scaffold was able to attract the formation of apatite layer over its surface after 7 days of immersion in normal culture medium, whereas it was not observed on the pure PCL scaffold. This in vitro result indicated the enhanced bioactivity of the modified scaffold. Moreover, enhanced bone forming ability was also observed in the rat model after 3 months of implantation. Though bony in-growth was found in all the implanted scaffolds. High volume of new bone formation could be found in the Mg/PCL hybrid scaffolds when compared to the pure PCL scaffold. Both pure PCL and Mg/PCL hybrid scaffolds were degraded after 3 months. However, no tissue inflammation was observed. In conclusion, these promising results suggested that the incorporation of Mg micro-particles into PCL porous scaffold could significantly enhance its mechanical and biological properties. This modified porous bio-scaffold may potentially apply in the surgical management of large bone defect fixation. Magnesium Polycaprolactone Biodegradability Biocompatibility Mechanical properties Materials of engineering and construction. Mechanics of materials Paul K. Chu verfasserin aut Frankie K.L. Leung verfasserin aut Kenneth M.C. Cheung verfasserin aut Keith D.K. Luk verfasserin aut Kelvin W.K. Yeung verfasserin aut In Progress in Natural Science: Materials International Elsevier, 2016 24(2014), 5, Seite 561-567 (DE-627)357170946 (DE-600)2094449-4 10020071 nnns volume:24 year:2014 number:5 pages:561-567 https://doi.org/10.1016/j.pnsc.2014.08.013 kostenfrei https://doaj.org/article/27f45f8decd1428981c34786f74294e3 kostenfrei http://www.sciencedirect.com/science/article/pii/S1002007114001166 kostenfrei https://doaj.org/toc/1002-0071 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_121 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2018 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2036 GBV_ILN_2037 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2113 GBV_ILN_2119 GBV_ILN_2129 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_2700 GBV_ILN_2817 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4251 GBV_ILN_4277 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4392 GBV_ILN_4393 GBV_ILN_4753 AR 24 2014 5 561-567
language	English
source	In Progress in Natural Science: Materials International 24(2014), 5, Seite 561-567 volume:24 year:2014 number:5 pages:561-567
sourceStr	In Progress in Natural Science: Materials International 24(2014), 5, Seite 561-567 volume:24 year:2014 number:5 pages:561-567
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Magnesium Polycaprolactone Biodegradability Biocompatibility Mechanical properties Materials of engineering and construction. Mechanics of materials
isfreeaccess_bool	true
container_title	Progress in Natural Science: Materials International
authorswithroles_txt_mv	Hoi Man Wong @@aut@@ Paul K. Chu @@aut@@ Frankie K.L. Leung @@aut@@ Kenneth M.C. Cheung @@aut@@ Keith D.K. Luk @@aut@@ Kelvin W.K. Yeung @@aut@@
publishDateDaySort_date	2014-01-01T00:00:00Z
hierarchy_top_id	357170946
id	DOAJ068637004
language_de	englisch
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callnumber-first	T - Technology
author	Hoi Man Wong
spellingShingle	Hoi Man Wong misc TA401-492 misc Magnesium misc Polycaprolactone misc Biodegradability misc Biocompatibility misc Mechanical properties misc Materials of engineering and construction. Mechanics of materials Engineered polycaprolactone–magnesium hybrid biodegradable porous scaffold for bone tissue engineering
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topic_title	TA401-492 Engineered polycaprolactone–magnesium hybrid biodegradable porous scaffold for bone tissue engineering Magnesium Polycaprolactone Biodegradability Biocompatibility Mechanical properties
topic	misc TA401-492 misc Magnesium misc Polycaprolactone misc Biodegradability misc Biocompatibility misc Mechanical properties misc Materials of engineering and construction. Mechanics of materials
topic_unstemmed	misc TA401-492 misc Magnesium misc Polycaprolactone misc Biodegradability misc Biocompatibility misc Mechanical properties misc Materials of engineering and construction. Mechanics of materials
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title	Engineered polycaprolactone–magnesium hybrid biodegradable porous scaffold for bone tissue engineering
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title_full	Engineered polycaprolactone–magnesium hybrid biodegradable porous scaffold for bone tissue engineering
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author_browse	Hoi Man Wong Paul K. Chu Frankie K.L. Leung Kenneth M.C. Cheung Keith D.K. Luk Kelvin W.K. Yeung
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doi_str_mv	10.1016/j.pnsc.2014.08.013
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title_sort	engineered polycaprolactone–magnesium hybrid biodegradable porous scaffold for bone tissue engineering
callnumber	TA401-492
title_auth	Engineered polycaprolactone–magnesium hybrid biodegradable porous scaffold for bone tissue engineering
abstract	In this paper, we describe the fabrication of a new biodegradable porous scaffold composed of polycaprolactone (PCL) and magnesium (Mg) micro-particles. The compressive modulus of PCL porous scaffold was increased to at least 150% by incorporating 29% Mg particles with the porosity of 74% using Micro-CT analysis. Surprisingly, the compressive modulus of this scaffold was further increased to at least 236% when the silane-coupled Mg particles were added. In terms of cell viability, the scaffold modified with Mg particles significantly convinced the attachment and growth of osteoblasts as compared with the pure PCL scaffold. In addition, the hybrid scaffold was able to attract the formation of apatite layer over its surface after 7 days of immersion in normal culture medium, whereas it was not observed on the pure PCL scaffold. This in vitro result indicated the enhanced bioactivity of the modified scaffold. Moreover, enhanced bone forming ability was also observed in the rat model after 3 months of implantation. Though bony in-growth was found in all the implanted scaffolds. High volume of new bone formation could be found in the Mg/PCL hybrid scaffolds when compared to the pure PCL scaffold. Both pure PCL and Mg/PCL hybrid scaffolds were degraded after 3 months. However, no tissue inflammation was observed. In conclusion, these promising results suggested that the incorporation of Mg micro-particles into PCL porous scaffold could significantly enhance its mechanical and biological properties. This modified porous bio-scaffold may potentially apply in the surgical management of large bone defect fixation.
abstractGer	In this paper, we describe the fabrication of a new biodegradable porous scaffold composed of polycaprolactone (PCL) and magnesium (Mg) micro-particles. The compressive modulus of PCL porous scaffold was increased to at least 150% by incorporating 29% Mg particles with the porosity of 74% using Micro-CT analysis. Surprisingly, the compressive modulus of this scaffold was further increased to at least 236% when the silane-coupled Mg particles were added. In terms of cell viability, the scaffold modified with Mg particles significantly convinced the attachment and growth of osteoblasts as compared with the pure PCL scaffold. In addition, the hybrid scaffold was able to attract the formation of apatite layer over its surface after 7 days of immersion in normal culture medium, whereas it was not observed on the pure PCL scaffold. This in vitro result indicated the enhanced bioactivity of the modified scaffold. Moreover, enhanced bone forming ability was also observed in the rat model after 3 months of implantation. Though bony in-growth was found in all the implanted scaffolds. High volume of new bone formation could be found in the Mg/PCL hybrid scaffolds when compared to the pure PCL scaffold. Both pure PCL and Mg/PCL hybrid scaffolds were degraded after 3 months. However, no tissue inflammation was observed. In conclusion, these promising results suggested that the incorporation of Mg micro-particles into PCL porous scaffold could significantly enhance its mechanical and biological properties. This modified porous bio-scaffold may potentially apply in the surgical management of large bone defect fixation.
abstract_unstemmed	In this paper, we describe the fabrication of a new biodegradable porous scaffold composed of polycaprolactone (PCL) and magnesium (Mg) micro-particles. The compressive modulus of PCL porous scaffold was increased to at least 150% by incorporating 29% Mg particles with the porosity of 74% using Micro-CT analysis. Surprisingly, the compressive modulus of this scaffold was further increased to at least 236% when the silane-coupled Mg particles were added. In terms of cell viability, the scaffold modified with Mg particles significantly convinced the attachment and growth of osteoblasts as compared with the pure PCL scaffold. In addition, the hybrid scaffold was able to attract the formation of apatite layer over its surface after 7 days of immersion in normal culture medium, whereas it was not observed on the pure PCL scaffold. This in vitro result indicated the enhanced bioactivity of the modified scaffold. Moreover, enhanced bone forming ability was also observed in the rat model after 3 months of implantation. Though bony in-growth was found in all the implanted scaffolds. High volume of new bone formation could be found in the Mg/PCL hybrid scaffolds when compared to the pure PCL scaffold. Both pure PCL and Mg/PCL hybrid scaffolds were degraded after 3 months. However, no tissue inflammation was observed. In conclusion, these promising results suggested that the incorporation of Mg micro-particles into PCL porous scaffold could significantly enhance its mechanical and biological properties. This modified porous bio-scaffold may potentially apply in the surgical management of large bone defect fixation.
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container_issue	5
title_short	Engineered polycaprolactone–magnesium hybrid biodegradable porous scaffold for bone tissue engineering
url	https://doi.org/10.1016/j.pnsc.2014.08.013 https://doaj.org/article/27f45f8decd1428981c34786f74294e3 http://www.sciencedirect.com/science/article/pii/S1002007114001166 https://doaj.org/toc/1002-0071
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author2	Paul K. Chu Frankie K.L. Leung Kenneth M.C. Cheung Keith D.K. Luk Kelvin W.K. Yeung
author2Str	Paul K. Chu Frankie K.L. Leung Kenneth M.C. Cheung Keith D.K. Luk Kelvin W.K. Yeung
ppnlink	357170946
callnumber-subject	TA - General and Civil Engineering
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doi_str	10.1016/j.pnsc.2014.08.013
callnumber-a	TA401-492
up_date	2024-07-03T18:54:54.347Z
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Engineered polycaprolactone–magnesium hybrid biodegradable porous scaffold for bone tissue engineering

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