In vitro comparative study of pure hydroxyapatite nanorods and novel polyethylene glycol/graphene oxide/hydroxyapatite nanocomposite
Source abstract
Abstract
In this work, crystalline hydroxyapatite (HAP) nanorods were first prepared by a simple precipitation method in the presence of a new capping agent based on Schiff base compounds, and then composite of polyethylene glycol (PEG), graphene oxide (GO), and the HAP nanorods was synthesized by freeze-drying method. X-ray diffraction patterns indicated that poor crystalline HAP powders produced in the absence of Schiff base were highly agglomerated. In addition, in vitro bioactivity of the produced HAP nanorods and PEG/GO/HAP nanocomposite was evaluated by soaking the products in simulated body fluid (SBF). The chemical composition of the SBF solutions was analyzed by inductively coupled plasma-optical emission spectrometry, and it was found that more Ca and P were released from the nanocomposite compared to the pure HAP nanorods, indicating high bioactivity of the nanocomposite. In addition, it was observed that the growth of new apatite on the surface of the nano-sized materials increased after immersion for 14 days in the SBF solution.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Bone Tissue Engineering Materials · Dental materials and restorations · Graphene and Nanomaterials Applications
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