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Master Thesis Titanyum Dioksit Nanopartikülleri Eklenmiş Polianilin Hazırlanması ve Antibakteriyel Yanıt Analizi(2022) Altmarı, Maha; İşgör, Sultan Belgin; Kaya, MuratBecause of an increase the bacterial attack in different sectors of our life, it become necessary to search about a new antibacterial material.The aim of this research is to produce an anti-bacterial and environmentally friendly material used as a surface coating to reduce diseases caused by bacterial infection. In this work, we prepared polyaniline (PANI) by using the chemical polymerization of aniline with ammonium persulfate (APS), after that we used commercially available titanium dioxide nanopowder for preparation (PANI-TiO2) nanocomposite material by chemical polymerization.The morphologies, structures, and elemental composition of the nanocomposite material are characterized by using TEM, SEM and EDX. After that,study the antibacterial activity of TiO2, PANI and(PANI-TiO2) nanocomposite was investigated by using E. coli and S. aureus.The results of this study show that no antibacterial effect of TiO2 and PANI NPs for each type of bacteria, but the antibacterial effect for (PANI- TiO2) was very weak on S. aureus and very strong on E. coli.