DNA-assisted synthesis of chitosan/$\alpha$-Fe$_2$O$_3$ nanocomposites for antioxidant and antimicrobial activities
MALU SOMARAJ NANCY JOHN NISHA J THARAYIL
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Novel nanocomposites, based on chitosan/α-Fe$_2$O$_3$ (C/FD), have been successfully synthesized. The FDnanoparticles were prepared by co-precipitation method using DNA as the capping agent. The samples were characterizedby XRD, EDAX, SEM and TEM. The hematite nanoparticles that were prepared using DNA were compared withthe samples prepared using EDTA and CTAB as capping agents. The effect of C/FD nanocomposites on the growth offew common water pathogens were studied to explore its use as an antibacterial agent to be used in water purification.The antioxidant activity of samples was tested using a DPPH assay at two different concentrations of FD. It provides thepossibility of improving radical scavenging activity by varying the preparation conditions. The results also showed that theC/FD being a bio-compatible, eco-friendly and low cost material is used to inhibit the growth of several fungi and bacteriathat can be useful for a number of applications in the food and pharmaceutical industry.
MALU SOMARAJ1 NANCY JOHN1 NISHA J THARAYIL1
Volume 43, 2020
All articles
Continuous Article Publishing mode
Prof. Subi Jacob George — Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru
Chemical Sciences 2020
Prof. Surajit Dhara — School of Physics, University of Hyderabad, Hyderabad
Physical Sciences 2020
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