3D printed bioactive calcium silicate ceramics as antibacterial scaffolds for hard tissue engineering

El Hayek, Joelle; Belaid, Habib; de Saint Cyr, Louis Cornette; El Chawich, Ghenwa; Coy, Emerson; Iatsunskyi, Igor; Gervais, Christel; Elango, Jeevithan; Zamora-Ledezma, Camilo; Bechelany, Mikhael; Nakhl, Michel; Voiry, Damien; Miele, Philippe; Zakhour, Mirvat; Soussan, Laurence; Salameh, Chrystelle

doi:10.1039/d3ma01088k

Mater. Adv.

2024

DOI: 10.1039/d3ma01088k

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3D printed bioactive calcium silicate ceramics as antibacterial scaffolds for hard tissue engineering

Joelle El Hayek,

Habib Belaid,

Louis Cornette de Saint Cyr

et al.

Abstract: VAT photopolymerization technology was applied to fabricate three-dimensional (3D) porous β-Ca2SiO4 ceramic scaffolds functionalized with graphene oxide (GO) sheets decorated with silver nanoparticles (AgNPs). We achieved this by utilizing commercial...

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Cited by 3 publications

References 96 publications

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Monolith Catalyst Design by Combining 3D Printing and Atomic Layer Deposition: Toward Green Palladium‐Catalyzed Cross‐Coupling Reactions

Dory,

Petit,

El‐Sayegh

et al. 2024

Adv Eng Mater

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Catalysis plays a major role in various chemical processes including petroleum, pharmaceutical, fine chemistry, and energy. The development of highly functional catalysts is therefore essential. To meet the growing demand for advanced materials, we have developed ceramic catalyst supports known for their chemical inertness and thermal resistance. Using light‐assisted 3D printing, we designed complex architectures for ceramic substrates tailored to specific technical requirements. We developed ordered porous silicon oxycarbide (SiOC) ceramic monoliths with an architecture suitable for use as catalyst supports. The active sites are introduced by functionalizing the ceramic surface with palladium (Pd) nanoparticles using Atomic Layer Deposition (ALD). This technique is advantageous for achieving highly dispersed nanoparticles with uniform size distribution and minimal aggregation. We evaluated the catalytic performance by studying the effect of Pd loading on a Suzuki–Miyaura coupling reaction in water, as well as the reusability of the 3D‐printed catalytic monolith. The system demonstrates up to 82% yield and exhibits excellent stability, with no leaching of the active phase observed during the reaction cycles. These results underline the potential of 3D‐printed SiOC monoliths to create highly efficient and reusable catalytic systems, paving the way for advanced applications in a variety of industrial sectors.

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Monolith Catalyst Design by Combining 3D Printing and Atomic Layer Deposition: Toward Green Palladium‐Catalyzed Cross‐Coupling Reactions

Dory,

Petit,

El‐Sayegh

et al. 2024

Adv Eng Mater

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Facile Green Synthesis of Zingerone Based Tissue‐Like Biodegradable Polyester with Shape‐Memory Features for Regenerative Medicine

Jindal,

Ghosal,

Khamaisi

et al. 2024

Adv Funct Materials

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The abundance of plants as a renewable bioresource has captured the significant attention of researchers, driving them to explore new biodegradable polymeric materials. However, there are still many biobased materials with untapped potential, offering opportunities to synthesize novel biodegradable polymers with multifunctional properties. This work provides a unique solvent and catalyst‐free melt polycondensation process to prepare a series of polyesters using zingerol (Zing‐OH), a reduced form of zingerone, as a primary component for the first time. Briefly, Zing‐OH (a ginger‐based component) is employed in conjunction with a variety of renewable resources, such as citric acid (CA), sebacic acid (SA), and xylitol (Xy), to synthesize multifunctional soft tissue‐like ZCSX polyesters. Fourier‐transform infrared (FTIR) and 1H‐nuclear magnetic resonance (NMR) spectroscopy are used to validate the synthesis of the polyesters, while thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), and universal testing machine (UTM) are employed to investigate their physicochemical properties. Moreover, the synthesized polyester's thermal, mechanical, and biodegradation properties can be fine‐tuned by simply varying the Zing‐OH feed ratio. The mechanical properties of the synthesized polymer resemble various human tissues, including the liver, uterus, bladder, breast, and temporal and nasal cartilage. This suggests that the synthesized polyesters can potentially be useful in tissue engineering applications. Furthermore, the polyester demonstrated exceptional recovery responses and good shape memory behavior at ambient body temperature. Additionally, as observed from Alamar blue, live/dead assays, and time‐dependent in vitro wound images, the synthesized polyester demonstrated antibacterial activity, good in vitro cytocompatibility, cell proliferation, and wound healing capabilities against mouse fibroblast cells (NIH/3T3). The developed biocompatible polyester also exhibits excellent hemocompatibility for human blood, indicating its potential use in the field of regenerative medicine.

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Synergistic effects of astragalus on 3D-printed calcium silicate/poly-ε-caprolactone scaffolds to regulate inflammation/osteogenesis for bone regeneration

Lee,

Lin,

Kuo

et al. 2024

Mater. Adv.

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3D printed bioactive calcium silicate ceramics as antibacterial scaffolds for hard tissue engineering

Abstract: VAT photopolymerization technology was applied to fabricate three-dimensional (3D) porous β-Ca2SiO4 ceramic scaffolds functionalized with graphene oxide (GO) sheets decorated with silver nanoparticles (AgNPs). We achieved this by utilizing commercial...

Cited by 3 publications

References 96 publications

Monolith Catalyst Design by Combining 3D Printing and Atomic Layer Deposition: Toward Green Palladium‐Catalyzed Cross‐Coupling Reactions

Monolith Catalyst Design by Combining 3D Printing and Atomic Layer Deposition: Toward Green Palladium‐Catalyzed Cross‐Coupling Reactions

Facile Green Synthesis of Zingerone Based Tissue‐Like Biodegradable Polyester with Shape‐Memory Features for Regenerative Medicine

Synergistic effects of astragalus on 3D-printed calcium silicate/poly-ε-caprolactone scaffolds to regulate inflammation/osteogenesis for bone regeneration

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