Abstract
ZnO nanorods (ZnO-NRS) were synthesized using bioactive compounds from the fungus champignon (Agaricus bisporus) via sol–gel – hydrothermal methods. The purpose of this research is to modify the morphology and dimensions of ZnO-NRS with pH variations and increase the antibacterial properties of ZnO-NRS through the dodecyltriethoxysilane (DTES) hydrophobization process. The obtained ZnO-NRS was characterized using Ultraviolet Visible (UV–Vis) spectrometer, Fourier Transform Infra-Red (FTIR), X-Ray Diffraction (XRD), and Scanning Electron Microscopy-Energy Dispersive X-Ray Spectroscopy (SEM-EDX). Meanwhile, the hydrophobicity was measured based on the water contact angle (WCA) = 148°-150°. The antibacterial test was carried out using Gram-positive (+) Staphylococcus aureus and Gram-negative (-) Pseudomonas aeruginous bacteria, each of which has an inhibition zone of 19-30 mm and is categorized as a strong inhibitory compound when compared to the commercial antibiotic chloramphenicol of 20–28 mm.
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