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Advances in Nano Research Volume 14, Number 6, June 2023 , pages 507-519 DOI: https://doi.org/10.12989/anr.2023.14.6.507 |
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Antibacterial mesoporous Sr-doped hydroxyapatite nanorods synthesis for biomedical applications |
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Gopalu Karunakaran, Eun-Bum Cho, Keerthanaa Thirumurugan,
Govindan Suresh Kumar, Evgeny Kolesnikov and Selvakumar Boobalan
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| Abstract | ||
| Postsurgical infections are caused by implant-related pathogenic microorganisms that lead to graft rejection. Hence, an intrinsically antibacterial material is required to produce a biocompatible biomaterial with osteogenic properties that could address this major issue. Hence, this current research aims to make strontium-doped hydroxyapatite nanorods (SrHANRs) via an ethylene diamine tetraacetic acid (EDTA)-enable microwave mediated method using Anodontia alba seashells for biomedical applications. This investigation also perceives that EDTA acts as a soft template to accomplish Sr-doping and mesoporous structures in pure hydroxyapatite nanorods (HANRs). The X-ray diffraction (XRD) and transmission electron microscopy (TEM) analysis reveals the crystalline and mesoporous structures, and Brunauer–Emmett–Teller (BET) indicates the surface area of all the samples, including pure HANRs and doped HANRs. In addition, the biocidal ability was tested using various implant-related infectious bacteria pathogens, and it was discovered that Sr-doped HANRs have excellent biocidal properties. Furthermore, toxicity evaluation using zebrafish reports the non-toxic nature of the produced HANRs. Incorporating Sr2+ ions into the HAp lattice would enhance biocompatibility, biocidal activity, and osteoconductive properties. As a result, the biocompatible HANRs materials synthesized with Sr-dopants may be effective in bone regeneration and antibacterial in-built implant applications. | ||
| Key Words | ||
| Anodontia alba; biocompatibility; antibacterial activity; biomedical applications; mesoporous hydroxyapatite nanorods; strontium; toxicity | ||
| Address | ||
| Gopalu Karunakaran and Eun-Bum Cho: Institute for Applied Chemistry, Department of Fine Chemistry, Seoul National University of Science and Technology (Seoul Tech), 232 Gongneung-ro, Nowon-gu, Seoul 01811, Republic of Korea Keerthanaa Thirumurugan and Selvakumar Boobalan: Department of Biotechnology, K.S. Rangasamy College of Arts and Science (Autonomous), Tiruchengode 637 215, Tamil Nadu, India Govindan Suresh Kumar: Department of Physics, K.S. Rangasamy College of Arts and Science (Autonomous), Tiruchengode 637 215, Tamil Nadu, India Evgeny Kolesnikov: Department of Functional Nanosystems and High-Temperature Materials, National University of Science and Technology "MISiS," Leninskiy Pr. 4, Moscow 119049, Russia | ||