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- 저자 : Murat Gökgöz (검색결과 1 건)
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Murat Inal,Nuran Erduran,Murat Gökgöz 한국공업화학회 2021 Journal of Industrial and Engineering Chemistry Vol.98 No.-
The present study aimed to modify the surface of polyacrylamide cryogels (PAC) with ZnO nanorods(ZNR) to provide them with antibacterial properties. The synthesized ZNR-modified composite PAC(ZMC) characterized by AAS, FTIR, SEM, XRD, XPS, BET surface analysis and TGA studies. A study of theadsorption of Orange G (OG) and antibacterial effect was performed on the synthesized ZMC. The highestadsorption capacity was determined to be at a dye concentration of 142.79 mg/g at 400 ppm, and a pH of2. From the data obtained, it was found that adsorptionfitted the pseudo-second-order kinetic model andFreundlich isotherm. Modified cryogels could be desorbed in a very short time – such as 30 min – andreused approximately twenty times with 80% efficiency. While ZMC cryogels did not show antibacterialactivity in the dark, inhibition percentages were determined as 99.79 3.94% and 99.811.76%, at1.78 mg/mL cryogel application, MIC90 values were determined as 1.589 0.063 and 0.660 0.028 mg/mL for Escherichia coli, and Staphylococcus aureus, respectively under visible light. The results showed thatthe composite cryogels obtained had a very high potential to be applied both in the removal of dyes fromwastewater and in the purification of microorganism-contaminated water.
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