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Regenerated cellulose nanofiber reinforced chitosan hydrogel scaffolds for bone tissue engineering. 2021

Bikendra Maharjan, and Jeesoo Park, and Vignesh Krishnamoorthi Kaliannagounder, and Ganesh Prasad Awasthi, and Mahesh Kumar Joshi, and Chan Hee Park, and Cheol Sang Kim
Department of Bionanosystem Engineering, Graduate School, Jeonbuk National University, Jeonju, 561-756, Republic of Korea.

Natural hydrogel scaffolds usually exhibit insufficient mechanical strength which remains a major challenge in bone tissue engineering. In this study, the limitation was addressed by incorporating regenerated cellulose (rCL) nanofibers into chitosan (CS) hydrogel. The rCL nanofibers were regenerated from deacetylation of electrospun cellulose acetate (CA) nanofibers. As-prepared rCL/CS composite scaffold showed unique porous morphology with rCL nanofibers imbibed CS matrix. The compressive strength test exhibited that the rCL/CS scaffold have higher compressive strength compared to pure CS. The rCL/CS scaffold showed increased biomineralization and enhanced pre-osteoblast cell (MC3T3-E1) viability, attachment, and proliferation. The alkaline phosphatase (ALP) and alizarin red (ARS) staining results suggested that the osteogenic differentiation ability was improved in rCL/CS composite scaffold. Hence, the novel fabrication idea and the obtained results suggested that the rCL/CS composite hydrogel scaffolds could be a promising three-dimensional bio-scaffold for bone tissue engineering.

UI MeSH Term Description Entries
D010010 Osteoclasts A large multinuclear cell associated with the BONE RESORPTION. An odontoclast, also called cementoclast, is cytomorphologically the same as an osteoclast and is involved in CEMENTUM resorption. Odontoclasts,Cementoclast,Cementoclasts,Odontoclast,Osteoclast
D010012 Osteogenesis The process of bone formation. Histogenesis of bone including ossification. Bone Formation,Ossification, Physiologic,Endochondral Ossification,Ossification,Ossification, Physiological,Osteoclastogenesis,Physiologic Ossification,Endochondral Ossifications,Ossification, Endochondral,Ossifications,Ossifications, Endochondral,Osteoclastogeneses,Physiological Ossification
D001861 Bone Regeneration Renewal or repair of lost bone tissue. It excludes BONY CALLUS formed after BONE FRACTURES but not yet replaced by hard bone. Osteoconduction,Bone Regenerations,Regeneration, Bone,Regenerations, Bone
D002454 Cell Differentiation Progressive restriction of the developmental potential and increasing specialization of function that leads to the formation of specialized cells, tissues, and organs. Differentiation, Cell,Cell Differentiations,Differentiations, Cell
D002460 Cell Line Established cell cultures that have the potential to propagate indefinitely. Cell Lines,Line, Cell,Lines, Cell
D002482 Cellulose A polysaccharide with glucose units linked as in CELLOBIOSE. It is the chief constituent of plant fibers, cotton being the purest natural form of the substance. As a raw material, it forms the basis for many derivatives used in chromatography, ion exchange materials, explosives manufacturing, and pharmaceutical preparations. Alphacel,Avicel,Heweten,Polyanhydroglucuronic Acid,Rayophane,Sulfite Cellulose,alpha-Cellulose,Acid, Polyanhydroglucuronic,alpha Cellulose
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001672 Biocompatible Materials Synthetic or natural materials, other than DRUGS, that are used to replace or repair any body TISSUES or bodily function. Biomaterials,Bioartificial Materials,Hemocompatible Materials,Bioartificial Material,Biocompatible Material,Biomaterial,Hemocompatible Material,Material, Bioartificial,Material, Biocompatible,Material, Hemocompatible
D048271 Chitosan Deacetylated CHITIN, a linear polysaccharide of deacetylated beta-1,4-D-glucosamine. It is used in HYDROGEL and to treat WOUNDS. Poliglusam
D051379 Mice The common name for the genus Mus. Mice, House,Mus,Mus musculus,Mice, Laboratory,Mouse,Mouse, House,Mouse, Laboratory,Mouse, Swiss,Mus domesticus,Mus musculus domesticus,Swiss Mice,House Mice,House Mouse,Laboratory Mice,Laboratory Mouse,Mice, Swiss,Swiss Mouse,domesticus, Mus musculus

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