Selective adsorption-photocatalytic synergistic breakdown of sulfamethazine in milk using loaded molecularly imprinted Ag3PO4/ TiO2 films
文献类型： 外文期刊
作者： Li, Yingying 1 ; Xie, Jiawen 1 ; Situ, Wenbei 1 ; Gao, Yuanyuan 2 ; Huang, Xiaobing 2 ; Zhou, Wei 2 ; Li, Jihua 2 ; Song, Xianliang 1 ;
作者机构： 1.South China Agr Univ, Coll Food Sci, Guangzhou 510642, Peoples R China
2.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Minist Agr & Rural Affairs, Key Lab Trop Crop Prod Proc, Zhanjiang 524001, Peoples R China
3.Guangdong Prov Key Lab Food Qual & Safety, Guangzhou 510642, Peoples R China
关键词： Photocatalytic mechanism; Selective adsorption; Ag 3 PO 4 /TiO 2; Molecularly imprinted films; Antibiotics
期刊名称：FOOD CHEMISTRY （ 影响因子：9.8； 五年影响因子：9.7 ）
ISSN： 0308-8146
年卷期： 2025 年 467 卷
页码：
收录情况： SCI
摘要： To remove antibiotics from milk effectively, molecularly imprinted Ag3PO4/TiO2 photocatalysts (MAT) were prepared using sulfamethazine (SMZ) as a template and butyl titanate as a functional monomer. Molecularly imprinted Ag3PO4/TiO2 films (MATs) were constructed using quartz glass tubes as the carrier. The morphology and structure of MAT, the properties and mechanism of degradation of SMZ by MATs, and the nutrition and safety of milk were evaluated. The results showed that MAT formed obvious imprinted cavities and n-p-type heterojunctions. Moreover, MATs exhibited the highest degradation rate (82.4 %) of SMZ, an enhanced selectivity factor alpha (3.98), and adsorption capacity Q (8.47 mg/g), which did not alter protein, fat, or acidity values in milk and no photocatalyst residue was detected. The high photocatalytic activity and selectivity of MATs for SMZ were mainly attributed to the presence of imprinted holes that matched the template molecules, the large specific surface area, the formation of n-p-type heterostructures, and Z-type charge transfer.
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