Antibacterial activity of carbonate hydroxyapatite-based honeycomb scaffolds doped with zinc for medical implants.

IF 1 4区 医学 Q4 ENGINEERING, BIOMEDICAL Bio-medical materials and engineering Pub Date : 2025-03-13 DOI:10.1177/09592989241313112
Moch Izzul Haq Al Maruf, Wahyu Widiawati, Al Viyah Rahmaidah, Mona Sari, Yusril Yusuf
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Abstract

BackgroundThe utilization of bioceramics for medical implants necessitates the incorporation of antibacterial properties to mitigate post-surgical inflammation of bone tissue.ObjectiveIn this research, Zn2+ ions were introduced as an antibacterial agent into carbonate-hydroxyapatite-based honeycomb Scaffold bioceramics (CHA/HCB), with varying doping concentrations, to investigate the impact of Zn2+ on the antibacterial activity of CHA/HCB against Staphylococcus aureus and Pseudomonas aeruginosa.MethodsCHA was synthesized from abalone shells through the co-precipitation method, followed by the fabrication of a CHA-based scaffold with HCB using the porogen leaching technique. Subsequently, the Zn ion doping process was executed through the ion exchange method, using concentrations of 0.05 M, 0.1 M, 0.15 M, and 0.2 M. The samples were characterized using XRF and antibacterial test.ResultsThe XRF results revealed that the Ca/P ratio of CHA/HCB was within the range of 1.48-1.85, indicating a declining trend with the introduction of Zn2+ as a dopant. Nevertheless, these results remained within acceptable ranges, ensuring compatibility with bone tissue. In terms of antibacterial activity, the measured inhibition zone diameters increased alongside the increase of Zn concentration. The zone diameters ranged from 14.3 to 22.0 mm against Staphylococcus aureus and 13.7 to 21.4 mm against Pseudomonas aeruginosa.ConclusionThe findings suggest that Zn doping in CHA/HCB bioceramics has a potential an antibacterial agent in CHA scaffolds as well as potential for practical applications, particularly in reducing the risk of postoperative infection in bone tissue implantation.

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来源期刊
Bio-medical materials and engineering
Bio-medical materials and engineering 工程技术-材料科学:生物材料
CiteScore
1.80
自引率
0.00%
发文量
73
审稿时长
6 months
期刊介绍: The aim of Bio-Medical Materials and Engineering is to promote the welfare of humans and to help them keep healthy. This international journal is an interdisciplinary journal that publishes original research papers, review articles and brief notes on materials and engineering for biological and medical systems. Articles in this peer-reviewed journal cover a wide range of topics, including, but not limited to: Engineering as applied to improving diagnosis, therapy, and prevention of disease and injury, and better substitutes for damaged or disabled human organs; Studies of biomaterial interactions with the human body, bio-compatibility, interfacial and interaction problems; Biomechanical behavior under biological and/or medical conditions; Mechanical and biological properties of membrane biomaterials; Cellular and tissue engineering, physiological, biophysical, biochemical bioengineering aspects; Implant failure fields and degradation of implants. Biomimetics engineering and materials including system analysis as supporter for aged people and as rehabilitation; Bioengineering and materials technology as applied to the decontamination against environmental problems; Biosensors, bioreactors, bioprocess instrumentation and control system; Application to food engineering; Standardization problems on biomaterials and related products; Assessment of reliability and safety of biomedical materials and man-machine systems; and Product liability of biomaterials and related products.
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