Research demonstrates photocatalytic degradation of pollutants in composite materials, highlighting antibacterial properties against E. coli.
Capparis spinosa (CS) was extracted by the soxhlet extraction method using ethanol as the extractant. The TiO 2 /CS composite was synthesized by the in situ solvothermal method with CS extract as a dopant. The morphology, crystal structure, and optical properties of TiO 2 /CS were characterized by SEM, TEM, XRD, UV-Vis and FT-IR spectroscopy. The experimental results showed that TiO 2 /CS exhibited excellent photoresponse performance, generated active free radicals, and achieved photocatalytic degradation of organic pollutants. Furthermore, TiO 2 /CS served as antibacterial agents to evaluate their antibacterial properties against Escherichia coli ( E. coli ) at different concentrations. The results showed that TiO 2 /CS possessed excellent antibacterial performance and produced a significant antibacterial ring, with antibacterial rate of about 100% after being diluted 100 and 500 times, respectively. The test results indicated that TiO 2 /CS has great application potential in the field of antibacterial activity and photocatalytic degradation, owing to its advantages of being natural, environmentally friendly, and economical.
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Hu et al. (2025) studied this question.
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