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All Journal INDONESIAN JOURNAL OF APPLIED PHYSICS
Muhammad Danu Rizkia
Departemen Fisika, Fakultas Sain dan Matematika, Universitas Diponegoro ,
Astronomy Energy Materials Science & Nanotechnology Physics

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Karakteristik Antibakteri Nanoceria-Kitosan yang disintesis menggunakan Metode Presipitasi Muhammad Danu Rizkia; Iis Nurhasanah
INDONESIAN JOURNAL OF APPLIED PHYSICS Vol 13, No 1 (2023): IJAP Volume 13 ISSUE 01 YEAR 2023
Publisher : Department of Physics, Sebelas Maret University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/ijap.v13i1.55546

Abstract

CeO2 nanoparticles (nanoceria) is a material that posseses antibacterial activity. In this study, nanoceria was combined with chitosan to increase its antibacterial property. The formation of nanoceria-chitosan was analyzed using X-ray diffractometer, Fourier Transform Infrared (FTIR) and UV-Vis Spectrophotometer. The antibacterial activity of nanoceria-chitosan was tested using the disc diffusion method on Escherichia coli bacteria. X-ray diffraction pattern analysis showed that nanoceria-chitosan has a cubic structure. The incorporation of chitosan in nanoceria was identified at a wave number of 2919 cm-1 from the FTIR spectrum. Nanoceria-chitosan showed a smaller crystallite size, a larger energy band gap and better antibacterial activity than nanoceria.
Co-Authors Iis Nurhasanah