NANO SILVER PARTICULATE / BACTERIAL CELLULOSE (AG/BS) PRODUCTION BY DIFFERENT METHODS AND DETERMINATION OF ANTIBACTERIAL CHARACTERISTICS

Year 2019, Volume: 7 Issue: 1, 161 - 166, 25.03.2019

Aytül Sofu

https://doi.org/10.21923/jesd.478755

Abstract

Bacterial cellulose (BC), which has a nano composite structure formation, is a highly advantageous material in terms of its high biocompatibility and ecological properties. This study demonstrates that BC produced by vinegar bacteria has an antibacterial effect by absorbing the silver in the nanoscale. Ag/BC nanocomposite agar diffusion method was used to determine antibacteriality and water retention capacity. Antibacteriality test was performed with 4 different bacterial cultures showing pathogenic properties. Ag-BC Nanocomposite showed antibacterial inhibition zone against all pathogenic bacteria, especially showed stronger effect against E. coli bacteria.

Keywords

Antibacterial, Bacterial cellulose, Silver, Nanocomposites

FARKLI METODLARLA ELDE EDİLEN NANO GÜMÜŞ PARÇACIKLI/BAKTERİYEL SELÜLOZ (AG/BS) NANOKOMPOZITIN ANTİBAKTERİYEL ÖZELLİĞİNİN BELİRLENMESİ

Abstract

Nano kompozit yapısı ağsı bir oluşum gösteren bakteriyel selüloz (BS), son zamanlarda biyomedikal alanlarda kullanımı artmış hafif, toksik olmayan su tutma kapasitesi oldukça yüksek, biyouyumlu ve ekolojik olması yönüyle oldukça avantajlı bir materyaldir. Bu çalışma, sirke bakterileri tarafından üretilen BS nin gümüşü nanoboyutta absorbe ederek antibakteriyel bir etki göstermesine örnek teşkil etmektedir. İki farklı metodla oluşturulan gümüş/bakteriyel selüloz Ag/BS nanokompozit agar difüzyon yöntemi ile antibakteriyellik testleri ve su tutma kapasiteleri belirlenmiştir. Antibakteriyellik testi patojen özellik gösteren 4 farklı bakteri kültürü ile yapılmıştır. Ag/BS nanokompozit tüm patojen bakterilere karşı antibakteriyel inhibisyon zon oluşumu göstermiş, özellikle E. coli bakterisine karşı daha kuvvetli etki göstermiştir.

Keywords

Gümüş, Nanokompozit, Antibakteriyel, Bakteriyel selüloz

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