Effect of surface topography and chemistry on adhesion, orientation and growth of fibroblasts on nickel-titanium substrates
Identifieur interne :
000074 ( PascalFrancis/Curation );
précédent :
000073;
suivant :
000075
Effect of surface topography and chemistry on adhesion, orientation and growth of fibroblasts on nickel-titanium substrates
Auteurs : L. Ponsonnet [
France] ;
V. Comte [
France] ;
A. Othmane [
Tunisie] ;
C. Lagneau [
France] ;
M. Charbonnier [
France] ;
M. Lissac [
France] ;
N. Jaffrezic [
France]
Source :
-
Materials science & engineering C. Biomimetic and supramolecular systems
RBID : Pascal:03-0491659
Abstract
Nickel-titanium alloy (NiTi) is a metallic biomaterial known for its mechanical and shape memory properties. These properties suggest that it could be used for medical purposes such as surgical implants. To evaluate the effects of the chemical composition and microtexture of the metal surface on the cellular behaviour, the adhesion, orientation and proliferation of human gingival fibroblasts were studied with substrates having different surface roughnesses. To separate the effects of material roughness and composition on the fibroblast response, we have chosen to compare substrates of different surface roughnesses but of the same chemical composition (NiTi). Moreover, substrates of different surface compositions (Ti6A14V, cp-Ti, 316L stainless steel) but of similar smooth surface topography were also tested. The texture, chemical state and composition of the surfaces were determined using a surface-tracing instrument for roughness characterisation and X-ray photoelectron spectroscopy (XPS) for chemical analysis. The effect of γ-sterilisation on the chemical composition was studied. Human gingival fibroblasts attached, spread and proliferated on all titanium-based surfaces. On samples exhibiting the highest roughness, the cells were oriented in a parallel order along the grooves caused by mechanical polishing, whereas on smooth surfaces, they appeared to grow with no specific orientation. We observed low cell proliferation on the NiTi surfaces of the highest roughness.
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| A08 | 01 | 1 | ENG | @1 Effect of surface topography and chemistry on adhesion, orientation and growth of fibroblasts on nickel-titanium substrates |
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| A09 | 01 | 1 | ENG | @1 Proceedings of the 3rd Maghreb-Europe Meeting on Materials and their Applications for Devices and Physical, Chemical and Biological Sensors, MADICA 2001, Hammamet, Tunisia, 29-30 October 2001 |
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| A11 | 01 | 1 | | @1 PONSONNET (L.) |
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| A11 | 05 | 1 | | @1 CHARBONNIER (M.) |
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| A11 | 06 | 1 | | @1 LISSAC (M.) |
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| A14 | 02 | | | @1 Laboratoire d'Etudes des Interfaces et des Biofilms en Odontologie, Université Claude Bernard-Lyon I @2 69372 Lyon @3 FRA @Z 2 aut. @Z 4 aut. @Z 6 aut. |
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| A14 | 03 | | | @1 Laboratoire de Biophysique, Faculté de Médecine de Monastir @2 5000 Monastir @3 TUN @Z 3 aut. |
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| A21 | | | | @1 2002 |
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| A23 | 01 | | | @0 ENG |
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| C01 | 01 | | ENG | @0 Nickel-titanium alloy (NiTi) is a metallic biomaterial known for its mechanical and shape memory properties. These properties suggest that it could be used for medical purposes such as surgical implants. To evaluate the effects of the chemical composition and microtexture of the metal surface on the cellular behaviour, the adhesion, orientation and proliferation of human gingival fibroblasts were studied with substrates having different surface roughnesses. To separate the effects of material roughness and composition on the fibroblast response, we have chosen to compare substrates of different surface roughnesses but of the same chemical composition (NiTi). Moreover, substrates of different surface compositions (Ti6A14V, cp-Ti, 316L stainless steel) but of similar smooth surface topography were also tested. The texture, chemical state and composition of the surfaces were determined using a surface-tracing instrument for roughness characterisation and X-ray photoelectron spectroscopy (XPS) for chemical analysis. The effect of γ-sterilisation on the chemical composition was studied. Human gingival fibroblasts attached, spread and proliferated on all titanium-based surfaces. On samples exhibiting the highest roughness, the cells were oriented in a parallel order along the grooves caused by mechanical polishing, whereas on smooth surfaces, they appeared to grow with no specific orientation. We observed low cell proliferation on the NiTi surfaces of the highest roughness. |
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| A30 | 01 | 1 | ENG | @1 MADICA 2001 Maghreb-Europe Meeting on Materials and their Applications for Devices and Physical, Chemical and Biological Sensors @2 3 @3 Hammamet TUN @4 2001-10-29 |
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</profileDesc><front><div type="abstract" xml:lang="en">Nickel-titanium alloy (NiTi) is a metallic biomaterial known for its mechanical and shape memory properties. These properties suggest that it could be used for medical purposes such as surgical implants. To evaluate the effects of the chemical composition and microtexture of the metal surface on the cellular behaviour, the adhesion, orientation and proliferation of human gingival fibroblasts were studied with substrates having different surface roughnesses. To separate the effects of material roughness and composition on the fibroblast response, we have chosen to compare substrates of different surface roughnesses but of the same chemical composition (NiTi). Moreover, substrates of different surface compositions (Ti6A14V, cp-Ti, 316L stainless steel) but of similar smooth surface topography were also tested. The texture, chemical state and composition of the surfaces were determined using a surface-tracing instrument for roughness characterisation and X-ray photoelectron spectroscopy (XPS) for chemical analysis. The effect of γ-sterilisation on the chemical composition was studied. Human gingival fibroblasts attached, spread and proliferated on all titanium-based surfaces. On samples exhibiting the highest roughness, the cells were oriented in a parallel order along the grooves caused by mechanical polishing, whereas on smooth surfaces, they appeared to grow with no specific orientation. We observed low cell proliferation on the NiTi surfaces of the highest roughness.</div>
</front><inist><standard h6="B"><pA><fA06><s2>1-2</s2>
</fA06><fA08 i1="01" i2="1" l="ENG"><s1>Effect of surface topography and chemistry on adhesion, orientation and growth of fibroblasts on nickel-titanium substrates</s1>
</fA08><fA09 i1="01" i2="1" l="ENG"><s1>Proceedings of the 3rd Maghreb-Europe Meeting on Materials and their Applications for Devices and Physical, Chemical and Biological Sensors, MADICA 2001, Hammamet, Tunisia, 29-30 October 2001</s1>
</fA09><fA11 i1="01" i2="1"><s1>PONSONNET (L.)</s1>
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</fA11><fA12 i1="01" i2="1"><s1>JAFFREZIC-RENAULT (N.)</s1>
<s9>ed.</s9>
</fA12><fA12 i1="02" i2="1"><s1>MAAREF (H.)</s1>
<s9>ed.</s9>
</fA12><fA12 i1="03" i2="1"><s1>LAMARTINE (R.)</s1>
<s9>ed.</s9>
</fA12><fA12 i1="04" i2="1"><s1>BEN OUADA (H.)</s1>
<s9>ed.</s9>
</fA12><fA14 i1="01"><s1>Laboratoire d'Ingénierie et Fonctionnalisation des Surfaces (IFoS), Ecole Centrale de Lyon, BP 163</s1>
<s2>69131 Ecully</s2>
<s3>FRA</s3>
<sZ>1 aut.</sZ>
<sZ>7 aut.</sZ>
</fA14><fA14 i1="02"><s1>Laboratoire d'Etudes des Interfaces et des Biofilms en Odontologie, Université Claude Bernard-Lyon I</s1>
<s2>69372 Lyon</s2>
<s3>FRA</s3>
<sZ>2 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>6 aut.</sZ>
</fA14><fA14 i1="03"><s1>Laboratoire de Biophysique, Faculté de Médecine de Monastir</s1>
<s2>5000 Monastir</s2>
<s3>TUN</s3>
<sZ>3 aut.</sZ>
</fA14><fA14 i1="04"><s1>Laboratoire de Sciences et Ingénierie des Surfaces (LSIS), Université Claude Bernard-Lyon I</s1>
<s2>69622 Villeurbanne</s2>
<s3>FRA</s3>
<sZ>5 aut.</sZ>
</fA14><fA15 i1="01"><s1>IFOS, Ecole Centrale de Lyon, 36 Avenue Guy de Collongue</s1>
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<s3>FRA</s3>
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</fA66><fC01 i1="01" l="ENG"><s0>Nickel-titanium alloy (NiTi) is a metallic biomaterial known for its mechanical and shape memory properties. These properties suggest that it could be used for medical purposes such as surgical implants. To evaluate the effects of the chemical composition and microtexture of the metal surface on the cellular behaviour, the adhesion, orientation and proliferation of human gingival fibroblasts were studied with substrates having different surface roughnesses. To separate the effects of material roughness and composition on the fibroblast response, we have chosen to compare substrates of different surface roughnesses but of the same chemical composition (NiTi). Moreover, substrates of different surface compositions (Ti6A14V, cp-Ti, 316L stainless steel) but of similar smooth surface topography were also tested. The texture, chemical state and composition of the surfaces were determined using a surface-tracing instrument for roughness characterisation and X-ray photoelectron spectroscopy (XPS) for chemical analysis. The effect of γ-sterilisation on the chemical composition was studied. Human gingival fibroblasts attached, spread and proliferated on all titanium-based surfaces. On samples exhibiting the highest roughness, the cells were oriented in a parallel order along the grooves caused by mechanical polishing, whereas on smooth surfaces, they appeared to grow with no specific orientation. We observed low cell proliferation on the NiTi surfaces of the highest roughness.</s0>
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