Huifeng Shao

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Three-dimensional (3D) printing bioactive ceramics have demonstrated alternative approaches to bone tissue repair, but an optimized materials system for improving the recruitment of host osteogenic cells into the bone defect and enhancing targeted repair of the thin-wall craniomaxillofacial defects remains elusive. Herein we systematically evaluated the(More)
The large-area bone defects in head (including calvarial, orbital, and maxillofacial bone) and segmental bone are attracting increased attention in a wide range of clinical departments. A key requirement for the clinical success of the bioactive ceramics is the match of the mechanical behavior of the implants with the specific bone tissue to be filled. This(More)
Gold-ceria catalysts have been shown to have excellent activity for low-temperature CO cleanup of reformate gas streams for PEM fuel cell use . The maximum amount of gold necessary for activity in the water-gas shift and the selective or preferential CO oxidation (PROX) reactions is determined by the surface properties of ceria, specifically its oxygen ion(More)
The densification of pore struts in bioceramic scaffolds is important for structure stability and strength reliability. An advantage of ceramic ink writing is the precise control over the microstructure and macroarchitecture. However, the use of organic binder in such ink writing process would heavily affect the densification of ceramic struts and sacrifice(More)
The chitosan/alginate-trace element-codoped octacalcium phosphate/nano-sized bioactive glass (CS/ALG-teOCP/nBG) composite membranes were prepared by a layer-by-layer coating method for the functional requirement of guided bone regeneration (GBR). The morphology, mechanical properties and moisture content of the membranes was studied by scanning electron(More)
Wollastonite (CaSiO3; CSi) ceramic is a promising bioactive material for bone defect repair due to slightly fast degradation of its porous constructs in vivo. In our previous strategy some key features of CSi ceramic have been significantly improved by dilute magnesium doping for regulating mechanical properties and biodegradation. Here we demonstrate that(More)
OBJECTIVE The FarR protein was involved in the regulation of arginine biosynthetic pathway in corynebacterium, but the regulation mechanism of FarR protein and its relationship with the negative regulator ArgR have never been reported. In this work, we constructed two deletion mutants: C. crenatum delta farR and C. crenatum delta argR delta farR, and(More)
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