Preparation of Calcium Carbonate (from Shellfish)/Magnesium Oxide Composites as an Antibacterial Agent

5th International Conference on Advanced Materials Sciences and Technology

Jannah, Z.^1 ; Mubarok, H.^1 ; Syamsiyah, F.^2 ; H Putri, A.A.^3 ; Rohmawati, L.^4

Department of Physics, Universitas Negeri Surabaya, Jl. Ketintang, Surabaya

60231, Indonesia^1

Department of Biology, Universitas Negeri Surabaya, Jl. Ketintang, Surabaya

60231, Indonesia^2

Department of Chemistry, Universitas Negeri Surabaya, Jl. Ketintang, Surabaya

60231, Indonesia^3

Center for Materials Science Studies, Department of Physics, Universitas Negeri Surabaya, Jl. Ketintang, Surabaya

60231, Indonesia^4

关键词: Anti-bacterial activity;    antibacterial;    Antibacterial substance;    Escherichia coli bacteria;    Oxide composites;    Staphylococcus aureus;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/367/1/012005/pdf
DOI  :  10.1088/1757-899X/367/1/012005

来源: IOP

【 摘 要 】

We have performed research on antibacterial substance from a natural substance, one of them is calcite from shellfish (Anadara granosa) in Kenjeran Beach Surabaya. This calcite is composed of magnesium oxide using PEG 4000 (Polyethylene glycol) as a solvent and then heated at 800 °C for 30 minutes. Weight variety of calcite used was 80% wt, 85% wt, and 90 wt%. Subsequently, that composites characterized using XRD, antibacterial activity test (Escherichia coli and Staphylococcus aureus), and SEM. The result of antibacterial assay shows that composite of CaCO3/MgO with 80% wt composition have the best activity inhibitory of 31,96 mm for Escherichia coli bacteria and 32.26 mm for Staphylococcus aureus bacteria.