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Abstract
This research studies the coating layer properties from chitosan and nano –hydroxyapatite made by pulsed electrophoretic deposition (PEPD) for biomedical applications. The 316L SS alloys were coated with hydroxyapatite in different solutions in 100 mL of suspension at a 30 V continuous voltage. To characterize the deposited coatings, X-ray diffraction spectroscopy (XRD), Fourier transform infrared (FTIR), Contact Angle, scanning electron microscopy (SEM), energy dispersive x-ray analysis (EDX),Yield deposition and Optical microscopy structural (OM) was used for coating layer, in addition to being calculated Zeta potential for suspensions. The aim of this study is to show that using the Pulsed EPD method at room temperature, a simple and low-cost solution for in situ synthesis of Nano -HAp within a chitosan matrix for biomedical applications can be demonstrated.
Highlights
Biomaterials are synthetic or natural materials that are used in biological settings to direct, supplement, or replace the roles of living tissues in the human body
4.1.1 Fourier transform infrared (FTIR) Characterization of CS and HAp powders From Figures below it is demonstrated that the infrared spectrum of chitosan and hydroxpatite powders, where the chemical structures are (C8H13O5N) n and Ca10 (PO4)6(OH) 2 respectively
According to the results and findings, the following points are concluded: 1. The addition of hydroxyapatite improved the stability of aqueous chitosan suspensions, allowing for pulsed electrophoretic deposition
Summary
Biomaterials are synthetic or natural materials that are used in biological settings to direct, supplement, or replace the roles of living tissues in the human body. Stainless steel (SS) is the first alloy to be successfully used as biomedical implants, with more than 12 percent chromium for excellent corrosion resistance Due to their good ductility, high yield, and young modulus, as well as the ability to replace hard tissue function, they are suitable for load bearing [2].316L SS are identical to those of human bone, and its cost is very low as compared to other implants, in addition, it has excellent physiochemical corrosion resistance, chemical resilience, formability, and power [3]. Available HAp comes from either a natural or synthetic source [4].Chitosan is one of the most commonly used natural biopolymers for a wide range of biomedical applications due to its biocompatibility, biodegradability, and antibacterial activity, and is generally regarded as a healthy material, for particles in suspension, it can be used as a dispersant, binder, and surface charge agent, solubility, crystallinity, biodegradability, viscosity, and biocompatibility are all important physical, chemical, and biological properties of chitosan [5]. The goal of this work is to use pulsed EPD to investigate the effects of HAp-CS coating on 316L SS to increase biocompatibility for biomedical applications [6]
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