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Three-dimension (3D) porous reduced graphene oxide (RGO) scaffold has attracted increasing attention in bone tissue engineering due to its favorable osteoinductivity. In this paper, a 3D porous RGO composite was prepared from graphene oxide (GO) and nano-hydroxyapatite (nHA) via self-assembly, thus constructing biomimetic scaffold for bone defect reparation. Detailed studies were performed to evaluate...
The electronic and optical properties of nonuniform bilayer graphene nanoribbons are worth investigating as they exhibit rich magnetic quantization. Based on our numerical results, their electronic and optical properties strongly depend on the competition between magnetic quantization, lateral confinement, and stacking configuration. The results of our calculations lead to four categories of magneto-electronic...
A novel model is presented to obtain exact energy spectrum, Landau levels (LLs) and wave functions in AA-stacking N-layer Graphene under the influence of perpendicular electric and magnetic fields. A particular unitary transformation to deal with the broken mirror symmetry caused by a perpendicular electric field can transform an AA-stacking N-layer graphene into N independent graphene-like layers...
We determined the distribution and biocompatibility of graphene oxide (GO) in mice by using radiotracer technique and a series of biological assays. Results showed that GO was predominantly deposited in the lungs, where it was retained for a long time. Compared with other carbon nanomaterials, GO exhibited long blood circulation time (half-time 5.3±1.2h), and low uptake in reticuloendothelial system...
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