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    • A hybrid design of Ag-decorated ZnO on layered nanomaterials (MgAC) with photocatalytic and antibacterial dual-functional abilities
    Authors: Tuyet, Nhung Pham; Nguyen, Thi Hue; Young,Chul Lee; Tran, Quang Huy; Nguyen, Thi Thu Thuy; Hoang, Van Tuan; Nguyen, Tien Khi; Vu, Ngoc Phan; Tran, Dang Thanh; Vu, Dinh Lam; Anh, Tuan Le;  Advisor: -;  Co-Author: - (2021)

    In this work, Ag@ZnO and Ag@ZnO/MgAC photocatalysts were synthesized using a simple two-step electrochemical method by the addition of magnesium aminoclay (MgAC) as a great stabilizer and a Lewis base, which could donate electrons for reduction of Ag+ and Zn2+ ions, facilitating uniform formation as well as effective inhibition of aggregation of Ag@ZnO nanoparticles (NPs) on the MgAC matrix. Ag@ZnO and Ag@ZnO/MgAC were investigated for photocatalytic degradation of MB and their antibacterial efficiencies. Ag@ZnO/MgAC showed excellent photocatalytic MB degradation with a performance of 98.56% after 80 min of visible-light irradiation and good antibacterial activity against Salmonella (...
    • ZnO/ZnFe2O4 nanocomposite-based electrochemical nanosensors for the detection of furazolidone in pork and shrimp samples: exploring the role of crystallinity, phase ratio, and heterojunction formation
    Authors: Nguyen, Tuan Anh; Nguyen, Ngoc Huyen; Ngo, Xuan Dinh; Le, Khanh Vinh; Le, Minh Tung; Nguyen, Thanh Vinh; Nguyen, Van Quy; Vu, Dinh Lam; Le, Anh Tuan;  Advisor: -;  Co-Author: - (2022)

    In this study, we have investigated the influence of crystallinity, phase ratio, and heterojunction formation on the sensing performance of ZnO/ZnFe2O4 (ZnO/ZFO) nanocomposite-based electrochemical sensors for the detection of furazolidone (FZD) antibiotic drug. Results obtained show that the crystallinity and phase ratio of ZnO/ZFO nanocomposites have decisive effects on their electron transfer and active site density. Tuning the crystallinity and ZnO content of ZnO/ZFO nanocomposites is an effective way to enhance the FZD electrochemical sensing performance. Findings from this research suggested that the formation of ZnO/ZFO heterojunction could significantly improve their electroch...