| People | Locations | Statistics |
|---|---|---|
| Naji, M. |
| |
| Motta, Antonella |
| |
| Aletan, Dirar |
| |
| Mohamed, Tarek |
| |
| Ertürk, Emre |
| |
| Taccardi, Nicola |
| |
| Kononenko, Denys |
| |
| Petrov, R. H. | Madrid |
|
| Alshaaer, Mazen | Brussels |
|
| Bih, L. |
| |
| Casati, R. |
| |
| Muller, Hermance |
| |
| Kočí, Jan | Prague |
|
| Šuljagić, Marija |
| |
| Kalteremidou, Kalliopi-Artemi | Brussels |
|
| Azam, Siraj |
| |
| Ospanova, Alyiya |
| |
| Blanpain, Bart |
| |
| Ali, M. A. |
| |
| Popa, V. |
| |
| Rančić, M. |
| |
| Ollier, Nadège |
| |
| Azevedo, Nuno Monteiro |
| |
| Landes, Michael |
| |
| Rignanese, Gian-Marco |
|
Seppälä, Jukka
Aalto University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (42/42 displayed)
- 2024Polypyrrole-modified flax fiber sponge impregnated with fatty acids as bio-based form-stable phase change materials for enhanced thermal energy storage and conversioncitations
- 2024Polypyrrole-modified flax fiber sponge impregnated with fatty acids as bio-based form-stable phase change materials for enhanced thermal energy storage and conversioncitations
- 2024A cradle-to-gate life cycle assessment of polyamide-starch biocomposites: carbon footprint as an indicator of sustainabilitycitations
- 2023Strontium-Substituted Nanohydroxyapatite-Incorporated Poly(lactic acid) Composites for Orthopedic Applications: Bioactive, Machinable, and High-Strength Propertiescitations
- 2023Flexible and conductive nanofiber textiles for leakage-free electro-thermal energy conversion and storagecitations
- 2023Heat-Induced Actuator Fibers: Starch-Containing Biopolyamide Composites for Functional Textilescitations
- 2023High-concentration lignin biocomposites with low-melting point biopolyamidecitations
- 2023Innovative integration of pyrolyzed biomass into polyamide 11: Sustainable advancements through in situ polymerization for enhanced mechanical, thermal, and additive manufacturing propertiescitations
- 2022Injectable thiol-ene hydrogel of galactoglucomannan and cellulose nanocrystals in delivery of therapeutic inorganic ions with embedded bioactive glass nanoparticlescitations
- 2022Injectable thiol-ene hydrogel of galactoglucomannan and cellulose nanocrystals in delivery of therapeutic inorganic ions with embedded bioactive glass nanoparticlescitations
- 2022Injectable thiol-ene hydrogel of galactoglucomannan and cellulose nanocrystals in delivery of therapeutic inorganic ions with embedded bioactive glass nanoparticlescitations
- 2022Conductive polyurethane/PEGylated graphene oxide composite for 3D-printed nerve guidance conduitscitations
- 2021Exfoliated clay nanocomposites of renewable long-chain aliphatic polyamide through in-situ polymerizationcitations
- 2021Exfoliated clay nanocomposites of renewable long-chain aliphatic polyamide through in-situ polymerizationcitations
- 2021Sustainable composites of surface-modified cellulose with low-melting point polyamidecitations
- 2021Novel long-chain aliphatic polyamide/surface-modified silicon dioxide nanocomposites: in-situ polymerization and propertiescitations
- 2021Novel long-chain aliphatic polyamide/surface-modified silicon dioxide nanocomposites: in-situ polymerization and propertiescitations
- 2021Selective Laser Sintering of Lignin-Based Compositescitations
- 2021Selective Laser Sintering of Lignin-Based Compositescitations
- 2021High-Performance and Biobased Polyamide/Functionalized Graphene Oxide Nanocomposites through In Situ Polymerization for Engineering Applicationscitations
- 2021High-Performance and Biobased Polyamide/Functionalized Graphene Oxide Nanocomposites through In Situ Polymerization for Engineering Applicationscitations
- 2020Improved Bone Regeneration in Rabbit Bone Defects Using 3D Printed Composite Scaffolds Functionalized with Osteoinductive Factorscitations
- 20203D scaffolding of fast photocurable polyurethane for soft tissue engineering by stereolithography: Influence of materials and geometry on growth of fibroblast cellscitations
- 20203D Scaffolding of fast photocurable polyurethane for soft tissue engineering by stereolithographycitations
- 2019Hydrolysis and drug release from poly(ethylene glycol)-modified lactone polymers with open porositycitations
- 2019Multiscale Structural Characterization of Biocompatible Poly(trimethylene carbonate) Photoreticulated Networkscitations
- 2019Mechanical properties of ultraviolet-assisted paste extrusion and postextrusion ultraviolet-curing of three-dimensional printed biocompositescitations
- 2018Low-temperature rheological and morphological characterization of SBS modified bitumencitations
- 2018An empirical constitutive model for complex glass-forming liquids using bitumen as a model materialcitations
- 2017Highly active platinum nanoparticles supported by nitrogen/sulfur functionalized graphene composite for ethanol electro-oxidationcitations
- 2016Development of nanocellulose scaffolds with tunable structures to support 3D cell culturecitations
- 2015Tailor-made hemicellulose-based hydrogels reinforced with nanofibrillated cellulosecitations
- 2015Interdiffusion and Spinodal Decomposition in Electrically Conducting Polymer Blendscitations
- 2015Composite films of nanofibrillated cellulose and O-acetyl galactoglucomannan (GGM) coated with succinic esters of GGM showing potential as barrier material in food packagingcitations
- 2015Fabrication of graphene-based 3D structures by stereolithographycitations
- 2014Nanofibrillated cellulose, poly(vinyl alcohol), montmorillonite clay hybrid nanocomposites with superior barrier and thermomechanical propertiescitations
- 2013An in vitro study of composites of poly(L-lactide-co-e-caprolactone), ß-tricalcium phosphate and ciprofloxacin intended for local treatment of osteomyelitiscitations
- 2012Processing and sustained in vitro release of rifampicin containing composites to enhance the treatment of osteomyelitiscitations
- 2011Chemical modification of fine paper base with amphiphilic copolymercitations
- 2006Poly(vinyl alcohol) and polyamide-66 nanocomposites prepared by electrospinningcitations
- 2006High-molar-mass polypropene with tunable elastic properties by hafnocene/borate catalystscitations
- 2002Effect of glycerol on behaviour of amylose and amylopectin filmscitations
Places of action
| Organizations | Location | People |
|---|
article
Strontium-Substituted Nanohydroxyapatite-Incorporated Poly(lactic acid) Composites for Orthopedic Applications: Bioactive, Machinable, and High-Strength Properties
Abstract
Traditional metal-alloy bone fixation devices provide structural support for bone repair but have limitations in actively promoting bone healing and often require additional surgeries for implant removal. In this study, we focused on addressing these challenges by fabricating biodegradable composites using poly(lactic acid) (PLA) and strontium-substituted nanohydroxyapatite (SrHAP) via melt compounding and injection molding. Various percentages of SrHAP (5, 10, 20, and 30% w/w) were incorporated into the PLA matrix. We systematically investigated the structural, morphological, thermal, mechanical, rheological, and dynamic mechanical properties of the prepared composites. Notably, the tensile modulus, a critical parameter for orthopedic implants, significantly improved from 2.77 GPa in pristine PLA to 3.73 GPa in the composite containing 10% w/w SrHAP. The incorporation of SrHAP (10% w/w) into the PLA matrix led to an increased storage modulus, indicating a uniform dispersion of SrHAP within the PLA and good compatibility between the polymer andnanoparticles. Moreover, we successfully fabricated screws using PLA composites with 10% (w/w) SrHAP, demonstrating their formability at room temperature and radiopacity when observed under X-ray microtomography (micro-CT). Furthermore, the water contact angle decreased from 93 ± 2° for pristine PLA to 75 ± 3° for the composite containing SrHAP, indicating better surface wettability. To assess the biological behavior of the composites, we conducted in vitro cell-material tests, which confirmed their osteoconductive and osteoinductive properties. These findings highlight the potential of our developed PLA/SrHAP10 (10% w/w) composites as machinable implant materials for orthopedic applications. In conclusion, our study presents the fabrication and comprehensive characterization of biodegradable composites comprising PLA and strontium-substituted nanohydroxyapatite (SrHAP). These composites exhibit improved mechanical properties, formability, and radiopacity while also demonstrating desirable biological behavior. Our results suggest that these PLA/SrHAP10 composites hold promise as machinable implant materials for orthopedic applications.