Synthesis of bioactive calcium phosphate from cockle shell for biomedical applications

Nor Atiqah Syafinaz, Mohd Pu’ad and Lee, Te Chuan and Nor Syazwani, Salman and Mohamad Ali, Selimin and Amirul Faiz, Abdul Latif and Mimi Suliza, Muhamad and Hasan Zuhudi, Abdullah and Maizlinda Izwana, Idris and Siti Noor Hidayah, Mustapha (2020) Synthesis of bioactive calcium phosphate from cockle shell for biomedical applications. Biointerface Research In Applied Chemistry, 10 (4). pp. 5787-5791. ISSN 2069-5837. (Published)

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The present work reports the synthesis of bioactive calcium phosphate from cockle shell via the combination of calcination and hydrothermal process. The raw cockle shells were pre-treated with 30 % of hydrogen peroxide for 4 days to eliminate the impurities. Afterward, the dried cockle shells were crushed and calcined at various temperatures ranging from 300 to 1100 °C. Subsequently, the calcined powders underwent hydrothermal process in di-ammonium hydrogen phosphate and distilled water at pH of 10.5 for 30 minutes. Lastly, the hydrothermal treated powders were dried in oven at 50 °C for 3 days. The results showed that the mixture of aragonite, calcite, hydroxyapatite, and calcium hydroxide was successfully synthesized at a calcination temperature of 900 °C and 1100 °C. In addition, the nanorods in the length of 80-300 nm were formed. The findings of this work indicate that the cockle shell could be transformed into valuable bioactive materials for biomedical applications.

Item Type: Article
Additional Information: Indexed by WOS
Uncontrolled Keywords: Cockle shell; Aragonite; Calcite; Hydroxyapatite; Calcium hydroxide; Biomedical
Subjects: T Technology > TP Chemical technology
Faculty/Division: Faculty of Industrial Sciences And Technology
Depositing User: Mrs Norsaini Abdul Samat
Date Deposited: 30 Jun 2021 09:29
Last Modified: 30 Jun 2021 09:29
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