Abstract
The TEMPO-oxidized cellulose nanofibers (TOCN) was prepared from bagasse pulp, followed by embedding with cadmium oxide nanostructure via pulsed infrared laser ablation of cadmium sheets immersed in TOCN solution in just one step. The TOCN before and after embedding was studied via different characterization techniques as X-ray diffraction, Fourier transform infrared spectroscopy (FT-IR), UV–visible spectroscopy, Transmission electron microscope (TEM), and Energy dispersive X-ray (EDX). These techniques confirmed that TOCN were successfully prepared and the CdO nanostructure is well embedded with nanofiber structure of the prepared TOCN with dimension equaled about 59 nm. Then the prepared sample were studied their antibacterial activity againstmany pathogenic microorganisms. The minimal inhibition concentration (MIC) is emphasized that the prepared nanocomposite has broad spectrum antimicrobial activity with low MIC values which recorded 1.56 μg/ml for gram negative bacteria, less than 1.56 for gram positive bacterial and 0.19 μg/ml for Candida albican.
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