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272) Quantitative proliferation assay performed with human dental pulp-derived cells as a function of nanotubes concentration indicated that the HNTs exhibit a high level of biocompatibility, rendering them good candidates for the potential encapsulation of distinct bioactive molecules.
2015 Journal of tissue engineering and regenerative medicine
* A novel three-dimensional scaffold for regenerative endodontics: materials and biological characterizations.
- An electrospun nanocomposite fibrous material holds promise as a scaffold, as well as a drug-delivery device to aid in root maturogenesis and the regeneration of the pulp-dentine complex. A novel three-dimensional (3D) nanocomposite scaffold composed of polydioxanone (PDS II®) and halloysite nanotubes (HNTs) was designed and fabricated by electrospinning. Morphology, structure, mechanical properties and cell compatibility studies were carried out to evaluate the effects of HNTs incorporation (0.5-10 wt% relative to PDS w/w). Overall, a 3D porous network was seen in the different fabricated electrospun scaffolds, regardless of the HNT content. The incorporation of HNTs at 10 wt% led to a significant (p < 0.0001) fibre diameter increase and a reduction in scaffold strength. Moreover, PDS-HNTs scaffolds supported the attachment and proliferation of human-derived pulp fibroblast cells. Quantitative proliferation assay performed with human dental pulp-derived cells as a function of nanotubes concentration indicated that the HNTs exhibit a high level of biocompatibility, rendering them good candidates for the potential encapsulation of distinct bioactive molecules. Collectively, the reported data support the conclusion that PDS-HNTs nanocomposite fibrous structures hold potential in the development of a bioactive scaffold for regenerative endodontics.
Overview of noun cell
The noun cell has 7 senses (first 3 from tagged texts)
1. (71) cell -- (any small compartment; "the cells of a honeycomb")
2. (44) cell -- ((biology) the basic structural and functional unit of all organisms; they may exist
as independent units of life (as in monads) or may form colonies or tissues as in higher plants and
animals)
3. (1) cell, electric cell -- (a device that delivers an electric current as the result of a
chemical reaction)
4. cell, cadre -- (a small unit serving as part of or as the nucleus of a larger political movement)
5. cellular telephone, cellular phone, cellphone, cell, mobile phone -- (a hand-held mobile
radiotelephone for use in an area divided into small sections, each with its own short-range
transmitter/receiver)
6. cell, cubicle -- (small room in which a monk or nun lives)
7. cell, jail cell, prison cell -- (a room where a prisoner is kept)
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