Radiation construction and excellent performances of Ag NPs/TiO_(2)/PEG/PVP multifunctional aerogel:Adsorption-photocatalytic degradation,photosensitive antibacterial and cytotoxicity  

作　　者：Jin-Yu Yang Dong-Liang Liu Yue-Sheng Li Xiao-Jie Yang Yi Liu 

机构地区：[1]School of Nuclear Technology and Chemistry&Biology/Hubei Key Laboratory of Radiation Chemistry and Functional Materials,Hubei University of Science and Technology,Xianning,437100,Hubei,China [2]Key Laboratory of Coal Conversion and New Carbon Materials of Hubei Province,School of Chemistry and Chemical Engineering,Wuhan University of Science and Technology,Wuhan,437100,Hubei,China [3]College of Chemistry and Chemical Engineering,Tiangong University,Tianjin,300387,China

出　　处：《Journal of Materiomics》2024年第3期585-593,共9页无机材料学学报（英文）

基　　金：supported by the Key R&D Plan of Hubei Provincial Department of Science and Technology(No.2022BCE026);Hubei Provincial Colleges and Universities Outstanding Young and Middle-aged Technological Innovation Team Project(No.T2020022);Xianning City Key Program of Science&Technology(No.2021GXYF021);the Science Development Foundation of Hubei University of Science&Technology(No.2020TD01,2022FH09).

摘　　要：A cutting-edge method known as photocatalytic antibacterial technology can effectively eliminate drug-resistant bacterial strains and boast a wide-ranging antimicrobial capability.In the study,a novel Ag NPs/TiO_(2)/PEG/PVP(ATPP)aerogel photocatalyst was synthesized by an electron beam in-situ radiation method using polyethylene glycol(PEG),polyvinylpyrrolidone(PVP),AgNO_(3),and TiO_(2)as raw materials.ATPP was characterized by X-ray diffraction spectroscopy(XRD),X-ray photoelectron spectroscopy(XPS)and solid ultraviolet diffuse reflectance spectroscopy(UV-Vis DRS).The results demonstrated that silver ions were reduced to silver nanoparticles by electron beam radiation method.At the same time,the doping of silver nanoparticles(Ag NPs)enhanced visible-light adsorption.The degradation rate of methylene blue(MB)on 5%(in mass)ATPP could reach 81%under visible light for 180 min.Escherichia coli(E.coli)and Staphylococcus aureus(S.aureus)were used as model bacteria to explore the antimi-crobial properties of ATPP by zone of the inhibition method,plate counting method and live/dead bacterial staining.Cyclic antibacterial experiments showed that the antibacterial effect of ATPP was sustainable.Meanwhile,MTT assay and Hoechst33342/PI double staining were used to prove that the composite had good biocompatibility.The aerogel photocatalytic material has the potential to decrease microbial presence in both medical and environmental settings,making it a valuable tool for such applications.

关 键 词：Ag NPs/TiO_(2)/PEG/PVP aerogel Electron beam radiation Adsorption-photocatalytic Photosensitive antibacterial CYTOTOXICITY 

分 类 号：TQ427.26[化学工程] O641.4[理学—物理化学]