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in vitro bioactivity assessment of novel composites based

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  • In vitro study of nano-hydroxyapatite/chitosan–gelatin

    Solution analysis . The SBF solution and solid composites were assessed pre- and post-immersion for different periods. The notations and compositions of HA/chitosan–gelatin composites (HACG composites) were shown in Table 1.To study the bioactivity the composites were soaked in SBF which is proposed by Kokubo and Takadama at body temperature (37 °C) and pH 7.4 for different

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  • Bioactivity Assessment of Poly(ɛ-caprolactone

    Electrospinning is useful for fabricating nanofibrous structure with different composition and morphologies. It offers great advantages through its geometrical structure and biomimetic property which can provide a suitable environmental site for cell growth. The fiber diameter is entangled by the concentration of PCL with some adjustment of parameters during electrospinning process.

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  • Crimson Open Access Research Journals Crimsonpublishers

    In vitro Bioactivity Assessment of Novel Composites Based on Calcium Aluminate Cement . Cortés-Hernández DA 1 Acuña-Gutiérrez IO 1 Escobedo-Bocardo JC 1 Almanza-Robles JM 1 García-Álvarez G 1 and Sánchez-Escobedo BA 1. CINVESTAV-IPN Unidad Saltillo Ave. Industria Metalúrgica Mexico Corresponding author Cortés-Hernández DA CINVESTAV-IPN Unidad Saltillo Ave.

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  • In vitro study of nano-hydroxyapatite/chitosan–gelatin

    Solution analysis . The SBF solution and solid composites were assessed pre- and post-immersion for different periods. The notations and compositions of HA/chitosan–gelatin composites (HACG composites) were shown in Table 1.To study the bioactivity the composites were soaked in SBF which is proposed by Kokubo and Takadama at body temperature (37 °C) and pH 7.4 for different

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  • (PDF) In vitro bioactivity assessment and mechanical

    In vitro bioactivity assessment and mechanical properties of novel calcium titanate/borosilicate glass composites Dora Hernandez IntroductionSince Bioglass 1 was discovered a great quantity of bioactive materials (glasses glass-ceramics ceramics and composites) has been investigated 1 2 3 .

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  • Preparation and characterization of biocomposite based on

    The composite membrane showed porous structure with bore diameter of about 20 µm. In vitro bioactivity evaluation showed that the composite membranes were able toinduce the formation of hydroxyapaptite layer on their surfaces.The membranes were able

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  • In Vitro Study of CaTiO3–Hydroxyapatite Composites for

    mixed with CaTiO3 and sintered in a microwave furnace. X-ray diffraction patterns of CaTiO3/HAp composites indicated the phase stability of CaTiO3/HAp. Mechanical properties were characterized by Vickers hardness Young modulus fracture toughness brittleness and compressive strength. MC3T3-E1 cells were used for in vitro studies to investigate the biocompatibility of CaTiO3/HAp composites

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  • In vitro bioactivity of S520 glass fibers and initial

    Sep 12 2003 · In vitro bioactivity of S520 glass fibers and initial assessment of osteoblast attachment D. C. Clupper. Marcin Bilewicz Damian Kusz Novel crosslinkable polyester resin–based composites as injectable bioactive scaffolds International Journal of Polymeric Materials and Polymeric Biomaterials 10.1080/.2016.

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  • In vitro bioactivity studies of ceramic structures

    Aug 02 2016 · The in vitro bioactivity of the recovery bioceramics was evaluated through their ability to stimulate when immersed in SBF the formation of a Ca/P layer on their surface. The formation of the Ca/P layer was monitored by SEM and EDS and the results

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  • Synthesis Characterizations and in Vitro Assessment of

    Porous Si3N4-SiO2-based ceramics with different porosity were prepared via free sintering of Si3N4 on air with an addition of semolina (5 10 and 20 wt ) as a pore-forming agent. The semolina content in the starting powder controlled the volume fraction of pores in the sintered body. Small pores (<5 μm) formed a continuous network in the whole volume of the ceramic material while the large

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  • In Vitro Study of CaTiO3–Hydroxyapatite Composites for

    mixed with CaTiO3 and sintered in a microwave furnace. X-ray diffraction patterns of CaTiO3/HAp composites indicated the phase stability of CaTiO3/HAp. Mechanical properties were characterized by Vickers hardness Young modulus fracture toughness brittleness and compressive strength. MC3T3-E1 cells were used for in vitro studies to investigate the biocompatibility of CaTiO3/HAp composites

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  • In vitro evaluation of novel bioactive composites based on

    Composite and unfilled foams were incubated in simulated body fluid (SBF) at 37 degrees C to study the in vitro degradation of the polymer and to detect hydroxyapatite (HA) formation which is a measure of the materials in vitro bioactivity. HA was detected on all the composite samples after incubation in SBF for just 3 days.

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  • Bioactivity and Degradation of wollastonite-poly(N

    Quick setting cements may be a promising alternative to metallic devices for immobilization of bone fragments in several maxillofacial surgical procedures. The aim of this study was the evaluation of bioactivity and degradation of wollastonite-poly(n-butyl-2-cyanoacrylate) composite biomaterials just to be used as surgical cements. Three formulations were prepared by mixing n-butyl-2

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  • Frontiers In vivo Biocompatibility and Bioactivity of

    Oct 29 2020 · Endodontic therapy aims to preserve or repair the activity and function of pulp and periapical tissues. Due to their excellent biological features a substantial number of calcium silicate-based bioceramics have been introduced into endodontics and simultaneously increased the success rate of endodontic treatment. The present manuscript describes the in vivo biocompatibility and bioactivity

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  • In Vitro studies of bioactive glass/polyhydroxybutyrate

    ABSTRACT. Bioactive materials can help bone reparation and regeneration by offering support to bone growth. In vitro studies of bioactive glass/polyhydroxybutyrate composites were carried out to evaluate the influence of the composition on the bioactivity through the presence of calcium phosphate (Ca-P) on the layer formed when the substrates were immerse in simulated body fluid (SBF).

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  • In vitro evaluation of a novel multiwalled carbon nanotube

    In vitro evaluation of a novel multiwalled carbon nanotube/nanohydroxyapatite/polycaprolactone composite for bone tissue engineeringVolume 34 Issue 4

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  • In Vitro studies of bioactive glass/polyhydroxybutyrate

    ABSTRACT. Bioactive materials can help bone reparation and regeneration by offering support to bone growth. In vitro studies of bioactive glass/polyhydroxybutyrate composites were carried out to evaluate the influence of the composition on the bioactivity through the presence of calcium phosphate (Ca-P) on the layer formed when the substrates were immerse in simulated body fluid (SBF).

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  • In vitro and in vivo bioactivity assessment of a

    In vitro characterization of the composite bioactivity was performed by culturing human mesenchymal stromal cells (hMSCs) and assessing proliferation and osteogenic differentiation with PLA as a control. Both PLA/HA composite and PLA control were shown to

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  • In vitro and in vivo bioactivity assessment of a

    In vitro characterization of the composite bioactivity was performed by culturing human mesenchymal stromal cells (hMSCs) and assessing proliferation and osteogenic differentiation with PLA as a control. Both PLA/HA composite and PLA control were shown to

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  • In vitro and in vivo bioactivity assessment of a

    In vitro and in vivo bioactivity assessment of a polylactic acid/hydroxyapatite composite for bone regeneration A novel implant design was employed to develop implants from dense extruded materials suitable for testing composites based on polylactic acid (PLA) a biocompatible and

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  • In vitro bioactivity of silicon nitride–hydroxyapatite

    Jul 01 2015 · The assessment of in vitro bioactivity was carried out by soaking the samples in SBF proposed by Kokubo et al. at pH 7.32 and maintained at 37.0±0.1 °C. The SBF solution had a similar composition and concentrations to those of human blood plasma.

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  • Novel starch thermoplastic/Bioglass® composites

    The present research aims to evaluate the possibility of creating new degradable stiff and highly bioactive composites based on a biodegradable thermoplastic starch-based polymeric blend and a Bioglass® filler. Such combination should allow for the development of bioactive and degradable composites with a great potential for a range of temporary applications.

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  • (PDF) In vitro bioactivity assessment and mechanical

    In vitro bioactivity assessment and mechanical properties of novel calcium titanate/borosilicate glass composites Dora Hernandez IntroductionSince Bioglass 1 was discovered a great quantity of bioactive materials (glasses glass-ceramics ceramics and composites) has been investigated 1 2 3 .

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  • Comprehensive in vitro and in vivo studies of novel melt

    Aug 24 2018 · The present work presents and discusses the results of a comprehensive study on the bioactive properties of Nb-substituted silicate glass derived from 45S5 bioglass. In vitro and in vivo

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  • Enhancing in vitro bioactivity and in vivo osteogenesis of

    Fabricating bioactive nanofibrous scaffolds from biodegradable polymers to mimic native tissue is an important approach in repairing bony defects. Silk fibroin (SF) may contribute to bone regeneration because of its excellent mechanical properties slow degradability and low osteoconductivity. A

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  • Silk Fibroin/Calcium Phosphate Silicate Composites In

    In vitro bioactivity of the prepared composites with different weight ratio of SF and SPS were evaluated by examining the apatite formation on their surfaces in 1.5 SBF solutions. 1.5 SBF solution was prepared from reagents as follows NaCl=11.9925 g NaHCO 3 =0.5295 g KCl=0.3360 g K 2 HPO 4.3H 2 O=0.3420g MgCl 2.6H 2 O=0.4575g CaCl 2.2H 2 O=0.5520 g Na 2 SO 4 =0.1065 g and buffering at

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  • Development and in vitro characterisation of novel

    Sep 01 2002 · In the present work novel bioactive and bioresorbable composite materials were fabricated using macroporous poly (dl -lactide) (PDLLA) foams coated with and impregnated by bioactive glass (Bioglass ®) particles. The in vitro response of the composites in contact with simulated body fluid (SBF) was assessed.

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