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Xu X, Liu S, Ye J, Wang Q, Liu M, Li Y, Shangguan H, Zhang K, Fu Y, Xu J. Optimized silicate nanozymes with atomically incorporated iron and manganese for intratumoral coordination-enhanced once-for-all catalytic therapy. J Mater Chem B 2024; 12:2594-2609. [PMID: 38372142 DOI: 10.1039/d3tb02840b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/20/2024]
Abstract
Although plant-derived cancer therapeutic products possess great promise in clinical translations, they still suffer from quick degradation and low targeting rates. Herein, based on the oxygen vacancy (OV)-immobilization strategy, an OV-enriched biodegradable silicate nanoplatform with atomically dispersed Fe/Mn active species and polyethylene glycol modification was innovated for loading gallic acid (GA) (noted as FMMPG) for intratumoral coordination-enhanced multicatalytic cancer therapy. The OV-enriched FMMPG nanozymes with a narrow band gap (1.74 eV) can be excited by a 650 nm laser to generate reactive oxygen species. Benefiting from the Mn-O bond in response to the tumor microenvironment (TME), the silicate skeleton in FMMPG collapses and completely degrades after 24 h. The degraded metal M (M = Fe, Mn) ions and released GA can in situ produce a stable M-GA nanocomplex at tumor sites. Importantly, the formed M-GA with strong reductive ability can transform H2O2 into the fatal hydroxyl radical, causing serious oxidative damage to the tumor. The released Fe3+ and Mn2+ can serve as enhanced contrast agents for magnetic resonance imaging, which can track the chemodynamic and photodynamic therapy processes. The work offers a reasonable strategy for a TME-responsive degradation and intratumoral coordination-enhanced multicatalytic therapy founded on bimetallic silicate nanozymes to achieve desirable tumor theranostic outcomes.
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Affiliation(s)
- Xiuping Xu
- Key Laboratory of Forest Plant Ecology, Ministry of Education, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, P. R. China.
- Guangxi University of Science and Technology, Liuzhou 545006, China.
| | - Shuang Liu
- Key Laboratory of Forest Plant Ecology, Ministry of Education, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, P. R. China.
| | - Jin Ye
- Key Laboratory of Forest Plant Ecology, Ministry of Education, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, P. R. China.
| | - Qiang Wang
- Key Laboratory of Forest Plant Ecology, Ministry of Education, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, P. R. China.
| | - Mengting Liu
- Key Laboratory of Forest Plant Ecology, Ministry of Education, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, P. R. China.
| | - Yunlong Li
- Key Laboratory of Forest Plant Ecology, Ministry of Education, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, P. R. China.
| | - Hang Shangguan
- Key Laboratory of Forest Plant Ecology, Ministry of Education, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, P. R. China.
| | - Kefen Zhang
- Guangxi University of Science and Technology, Liuzhou 545006, China.
| | - Yujie Fu
- College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, P. R. China
| | - Jiating Xu
- Key Laboratory of Forest Plant Ecology, Ministry of Education, College of Chemistry, Chemical Engineering and Resource Utilization, Northeast Forestry University, Harbin 150040, P. R. China.
- Heilongjiang Provincial Key Laboratory of Ecological Utilization of Forestry-Based Active Substances, Northeast Forestry University, Harbin, 150040, P. R. China
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Wu Y, Wang X, She T, Li T, Wang Y, Xu Z, Jin X, Song H, Yang S, Li S, Yan S, He H, Zhang L, Zou Z. Iron 3D-Orbital Configuration Dependent Electron Transfer for Efficient Fenton-Like Catalysis. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2306464. [PMID: 37658488 DOI: 10.1002/smll.202306464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Revised: 08/18/2023] [Indexed: 09/03/2023]
Abstract
Transition metals are excellent active sites to activate peroxymonosulfate (PMS) for water treatment, but the favorable electronic structures governing reaction mechanism still remain elusive. Herein, the authors construct typical d-orbital configurations on iron octahedral (FeOh ) and tetrahedral (FeTd ) sites in spinel ZnFe2 O4 and FeAl2 O4 , respectively. ZnFe2 O4 (136.58 min-1 F-1 cm2 ) presented higher specific activity than FeAl2 O4 (97.47 min-1 F-1 cm2 ) for tetracycline removal by PMS activation. Considering orbital features of charge amount, spin state, and orbital arrangement by magnetic spectroscopic analysis, ZnFe2 O4 has a larger bond order to decompose PMS. Using this descriptor, high-spin FeOh is assumed to activate PMS mainly to produce nonradical reactive oxygen species (ROS) while high-spin FeTd prefers to induce radical species. This hypothesis is confirmed by the selective predominant ROS of 1 O2 on ZnFe2 O4 and O2 •- on FeAl2 O4 via quenching experiments. Electrochemical determinations reveal that FeOh has superior capability than FeTd for feasible valence transformation of iron cations and fast interfacial electron transfer. DFT calculations further suggest octahedral d-orbital configuration of ZnFe2 O4 is beneficial to enhancing Fe-O covalence for electron exchange. This work attempts to understand the d-orbital configuration-dependent PMS activation to design efficient catalysts.
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Affiliation(s)
- Yijie Wu
- School of Environment, Jiangsu Engineering Lab of Water and Soil Eco-remediation, Nanjing Normal University, Nanjing, 210023, P. R. China
| | - Xin Wang
- School of Mathematics and Physics, North China Electric Power University, Beijing, 102206, P. R. China
| | - Tiantian She
- School of Environment, Jiangsu Engineering Lab of Water and Soil Eco-remediation, Nanjing Normal University, Nanjing, 210023, P. R. China
| | - Taozhu Li
- National Laboratory of Solid State Microstructures, Collaborative Innovation Center of Advanced Microstructures, Eco-Materials and Renewable Energy Research Center (ERERC), College of Engineering and Applied Sciences, Nanjing University, Nanjing, 210093, P. R. China
| | - Yunheng Wang
- School of Environment, Jiangsu Engineering Lab of Water and Soil Eco-remediation, Nanjing Normal University, Nanjing, 210023, P. R. China
| | - Zhe Xu
- School of Environment, Jiangsu Engineering Lab of Water and Soil Eco-remediation, Nanjing Normal University, Nanjing, 210023, P. R. China
| | - Xin Jin
- School of Environment, Jiangsu Engineering Lab of Water and Soil Eco-remediation, Nanjing Normal University, Nanjing, 210023, P. R. China
| | - Haiou Song
- School of Environment, Jiangsu Engineering Lab of Water and Soil Eco-remediation, Nanjing Normal University, Nanjing, 210023, P. R. China
| | - Shaogui Yang
- School of Environment, Jiangsu Engineering Lab of Water and Soil Eco-remediation, Nanjing Normal University, Nanjing, 210023, P. R. China
| | - Shiyin Li
- School of Environment, Jiangsu Engineering Lab of Water and Soil Eco-remediation, Nanjing Normal University, Nanjing, 210023, P. R. China
| | - Shicheng Yan
- National Laboratory of Solid State Microstructures, Collaborative Innovation Center of Advanced Microstructures, Eco-Materials and Renewable Energy Research Center (ERERC), College of Engineering and Applied Sciences, Nanjing University, Nanjing, 210093, P. R. China
| | - Huan He
- School of Environment, Jiangsu Engineering Lab of Water and Soil Eco-remediation, Nanjing Normal University, Nanjing, 210023, P. R. China
| | - Limin Zhang
- Green Economy Development Institute, Nanjing University of Finance and Economics, Nanjing, 210023, P. R. China
| | - Zhigang Zou
- National Laboratory of Solid State Microstructures, Collaborative Innovation Center of Advanced Microstructures, Eco-Materials and Renewable Energy Research Center (ERERC), College of Engineering and Applied Sciences, School of Physics, Nanjing University, Nanjing, 210093, P. R. China
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Li J, Jiang X, Guan H, Liu Z, Li J, Lin Z, Li F, Xu W. Visible-light-driven peroxymonosulfate activation by robust TiO 2-base nanoparticles for efficient removal of sulfamethoxazole. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 334:122150. [PMID: 37429490 DOI: 10.1016/j.envpol.2023.122150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 07/03/2023] [Accepted: 07/04/2023] [Indexed: 07/12/2023]
Abstract
In this study, a novel bimetallic Co-Mo-TiO2 nanomaterial was fabricated through a simple two-step method, and applied as photocatalyst to activate peroxymonosulfate (PMS) with high efficiency for sulfamethoxazole (SMX) removal under visible light. Nearly 100% of SMX was degraded within 30 min in Vis/Co-Mo-TiO2/PMS system, and its kinetic reaction rate constant (0.099 min-1) was 24.8 times higher compare with the Vis/TiO2/PMS system (0.014 min-1). Moreover, the quenching experiments and the electronic spin resonance analysis results confirmed that both 1O2 and SO4•- were the dominant active species in the optimal system, and the redox cycles of Co3+/Co2+ and Mo6+/Mo4+ promoted the generation of the radicals during the PMS activation process. Additionally, the Vis/Co-Mo-TiO2/PMS system exhibited a wide working pH range, superior catalytic performance toward different pollutants and excellent stability with 92.8% SMX removal capacity retention after three consecutive cycles. The result of density functional theory (DFT) suggested that Co-Mo-TiO2 exhibited a high affinity for PMS adsorption, as indicated by the length O-O bond from PMS and the Eads of the catalysts. Finally, the possible degradation pathway of SMX in optimal system was proposed through intermediate identification and DFT calculation, and a toxicity assessment of the by-products was also conducted.
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Affiliation(s)
- Jianghong Li
- School of Transportation and Civil Engineering, Foshan University, Foshan, 528000, China
| | - Xueding Jiang
- School of Environmental and Chemical Engineering, Foshan University, Foshan, 528000, China
| | - Haishan Guan
- School of Environmental and Chemical Engineering, Foshan University, Foshan, 528000, China
| | - Zhang Liu
- Division of Environment and Sustainability, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
| | - Jiesen Li
- School of Environmental and Chemical Engineering, Foshan University, Foshan, 528000, China
| | - Zhifeng Lin
- School of Environmental and Chemical Engineering, Foshan University, Foshan, 528000, China
| | - Fuhua Li
- School of Environmental and Chemical Engineering, Foshan University, Foshan, 528000, China
| | - Weicheng Xu
- School of Environmental and Chemical Engineering, Foshan University, Foshan, 528000, China.
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Wang H, Liu X, Wu D, Zhao Y, Li N, Li Y, Fan X, Xia Q, Zhang F, Peng W. Role variations of MnO x on monoclinic BiVO 4 (110)/(040) facets for enhanced Photo-Fenton reactions. J Colloid Interface Sci 2023; 646:219-227. [PMID: 37196495 DOI: 10.1016/j.jcis.2023.05.048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 04/25/2023] [Accepted: 05/07/2023] [Indexed: 05/19/2023]
Abstract
Compared with traditional Fenton reaction, peroxymonosulfate based advanced oxidation processes (PMS-AOPs) are more effective to remove the organic pollutants in wastewater in a wider pH range. Herein, selective loading of MnOx on monoclinic BiVO4 (110) or (040) facets were achieved by photo-deposition method with addition of different Mn precursors and electron/hole trapping agents. MnOx has good chemical catalysis activity for PMS activation, which can also enhance photogenerated charge separation, thus leading to enhanced activities than naked BiVO4. The BPA degradation reaction rate constants of MnOx(040)/BiVO4 and MnOx(110)/BiVO4 system are 0.245 min-1 and 0.116 min-1, which are 6.45 and 3.05 times larger than that of naked BiVO4, respectively. The roles of MnOx on different facets are different, which will promote OER process on (110) facets and utilize the dissolved O2 to produce O2•- and 1O2 more effectively on (040) facets. 1O2 is the dominated reactive oxidation species of MnOx(040)/BiVO4, while SO4•- and •OH play more important roles on MnOx(110)/BiVO4, which are proved by quenching experiments and chemical probe identifications, thus mechanism in MnOx/BiVO4-PMS-light system is proposed. The good degradation performance of MnOx(110)/BiVO4 and MnOx(040)/BiVO4 and mechanism theory may promote the application of photocatalysis in PMS based wastewater remediation.
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Affiliation(s)
- Haojie Wang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, PR China
| | - Xiaomei Liu
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, PR China
| | - Di Wu
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, PR China
| | - Yang Zhao
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, PR China
| | - Ning Li
- School of Environmental Science & Engineering, Tianjin University, Tianjin 300350, PR China
| | - Yang Li
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, PR China; Zhejiang Institute of Tianjin University, Shaoxing, Zhejiang 312300, PR China
| | - Xiaobin Fan
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, PR China; Zhejiang Institute of Tianjin University, Shaoxing, Zhejiang 312300, PR China
| | - Qing Xia
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, PR China
| | - Fengbao Zhang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, PR China
| | - Wenchao Peng
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, PR China; Zhejiang Institute of Tianjin University, Shaoxing, Zhejiang 312300, PR China.
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Cui L, Wu D, Liu X, Li Y, Fan X, Zhang F, Zhang G, Peng W. Electro-reduction Induced Fast Metal Redox Cycle on Co3O4-CuO@CNTs/Copper Foam Cathode for Enhanced Fenton-like Reaction. J Colloid Interface Sci 2023; 643:613-625. [PMID: 37003868 DOI: 10.1016/j.jcis.2023.03.145] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 03/10/2023] [Accepted: 03/22/2023] [Indexed: 03/29/2023]
Abstract
In this study, free-standing Co3O4-CuO/CF electrodes are synthesized via an electrodeposition-annealing process and then protected by dip-coated carbon nanotubes (CNTs). The obtained Co3O4-CuO@CNTs/CF is employed as cathode to activate peroxymonosulfate (PMS) for the degradation of Bisphenol A (BPA) in an electrochemical system. The electrochemical assistant (EA) plays a critical role to accelerate metal redox by donating electrons sustainably, and the fast regeneration of Co2+/Cu+ could be achieved to promote chemical-catalysis for PMS activation, which is proved via the pre-electroreduction treatment. The rate constant of Co3O4-CuO@CNTs/CF/PMS system with EA is ∼ 4.4 times compared to the system without EA. It also exhibits an excellent stability, which could still remove over 90% of BPA after eight cycles in 45 min. In addition, the coating of CNTs could decrease leaching of metals effectively. According to quenching tests and electron spin-resonance spectroscopy (ESR), the presence of EA could enhance the radical route by producing more SO4•- and •OH greatly, which is also proved by much faster degradation of carbamazepine (CBZ) and atrazine (ATZ) than that without EA. This work reveals activation mechanism of PMS in the electrochemical system, and provides an effective strategy to achieve the fast metal redox cycle for effective and long-term pollutant degradation.
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