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Luo X, Xu L, Yang L, Zhao J, Asefa T, Qiu R, Huang Z. Ball Milling of La 2O 3 Tailors the Crystal Structure, Reactive Oxygen Species, and Free Radical and Non-Free Radical Photocatalytic Pathways. ACS APPLIED MATERIALS & INTERFACES 2024; 16:18671-18685. [PMID: 38591358 DOI: 10.1021/acsami.3c15677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/10/2024]
Abstract
Non-free radical photocatalysis with metal oxide catalysts is an important advanced oxidation process that enables the removal of various emerging environmental pollutants, such as tetracycline. Here, four hexagonal La2O3 photocatalysts with different densities of oxygen vacancy and crystalline features are synthesized and then further treated by ball milling. Ball milling of these La2O3 photocatalysts is found to increase the amount of oxygen vacancies on their surfaces and thereby the amount of 1O2 species produced by them. The photocatalytic degradation of TC by these La2O3 photocatalysts depends on the oxygen vacancies present on them. Furthermore, the ones with a strong (101) diffraction peak remove tetracycline from water systems largely with 1O2 and •OH species, whereas those with a weak (101) diffraction peak do so mainly via 1O2 and direct electron transfer (DET) process. Their overall catalytic properties are also studied by density functional theory calculations. Moreover, the organic products produced from tetracycline by La2O3 photocatalysts containing a strong (101) diffraction peak are found to be less toxic than those produced by La2O3 photocatalysts containing a weak (101) diffraction peak. This study also provides convincing evidence that the structures of La2O3 determine the species that is produced by it and that end up mediating photocatalytic reaction pathways (i.e., free radical versus non-free radical) to degrade an emerging environment pollutant.
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Affiliation(s)
- Xuewen Luo
- Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, College of Natural Resources and Environment, South China Agricultural University, 483 Wushan Street, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Maoming Branch, College of Natural Resources and Environment, South China Agricultural University, 483 Wushan Street, Guangzhou 510642, China
| | - Lei Xu
- Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, College of Natural Resources and Environment, South China Agricultural University, 483 Wushan Street, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Maoming Branch, College of Natural Resources and Environment, South China Agricultural University, 483 Wushan Street, Guangzhou 510642, China
| | - Leba Yang
- Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, College of Natural Resources and Environment, South China Agricultural University, 483 Wushan Street, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Maoming Branch, College of Natural Resources and Environment, South China Agricultural University, 483 Wushan Street, Guangzhou 510642, China
| | - Jiawen Zhao
- Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, College of Natural Resources and Environment, South China Agricultural University, 483 Wushan Street, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Maoming Branch, College of Natural Resources and Environment, South China Agricultural University, 483 Wushan Street, Guangzhou 510642, China
| | - Tewodros Asefa
- Department of Chemistry and Chemical Biology & Department of Chemical and Biochemical Engineering, Rutgers, The State University of New Jersey, 610 Taylor Road, Piscataway, New Jersey 08854, United States
| | - Rongliang Qiu
- Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, College of Natural Resources and Environment, South China Agricultural University, 483 Wushan Street, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Maoming Branch, College of Natural Resources and Environment, South China Agricultural University, 483 Wushan Street, Guangzhou 510642, China
| | - Zhujian Huang
- Guangdong Provincial Key Laboratory of Agricultural & Rural Pollution Abatement and Environmental Safety, College of Natural Resources and Environment, South China Agricultural University, 483 Wushan Street, Guangzhou 510642, China
- Guangdong Laboratory for Lingnan Modern Agriculture, Maoming Branch, College of Natural Resources and Environment, South China Agricultural University, 483 Wushan Street, Guangzhou 510642, China
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Rietra RPJJ, Berendsen BJA, Mi-Gegotek Y, Römkens PFAM, Pustjens AM. Prediction of the mobility and persistence of eight antibiotics based on soil characteristics. Heliyon 2024; 10:e23718. [PMID: 38187236 PMCID: PMC10767508 DOI: 10.1016/j.heliyon.2023.e23718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 12/08/2023] [Accepted: 12/12/2023] [Indexed: 01/09/2024] Open
Abstract
Antibiotics are widely used in intensive animal husbandry in the Netherlands and are subsequently emitted to soil via manure. To predict degradation and mobility in soil, generic sorption models have been derived. However, most of the coefficients used in generic models are based on a limited range of soils and have not been validated for agricultural soils in the Netherlands. To improve model predictions and assess to what extent differences among soils affect sorption and degradation, an experimental study has been performed. Using a recently developed experimental approach, both the degradation (DT50) and mobility (Kd) of eight selected commonly used antibiotics were determined in 29 typical Dutch agricultural soils. Median DT50 values range from 5.3 days for Sulfadiazine to 120 days for Trimethoprim but are affected by soil type. The ratio of the lowest and highest DT50 for a given antibiotic among soils can be as large as 151, for Tylosin. Measured values of the logKd also range from 0.19 for Sulfadiazine to more than 2 for Doxycycline, Flumequine, Trimethoprim, Tylosin and Enrofloxacine. The impact of soil on Kd is large, especially for more mobile antibiotics such as Sulfadoxine and Sulfadiazine. Both the range in DT50 and Kd can be predicted reasonably well using a Freundlich type regression model that accounts for the variation in soil type and sampling depth. Organic matter, iron oxides, pH and clay content appear to be the main constituents and explain between 29 % (Trimethoprim) and 77 % of the variation in DT50 and between 64 % (Lincomycin) and 87 % (Sulfadoxine and Sulfadiazine) of the variation of Kd. The effect of depth on DT50 and Kd is however limited. The information thus obtained in combination with local data on soil type can be used to more accurately predict the potential risk of relevant antibiotics in soil and transport to ground- and nearby surface waters.
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Affiliation(s)
- R P J J Rietra
- Wageningen Environmental Research, Wageningen University & Research, PO Box 47, 6700 AA, Wageningen, the Netherlands
| | - B J A Berendsen
- Wageningen Food Safety Research, Wageningen University & Research, PO Box 230, 6700 AE, Wageningen, the Netherlands
| | - Y Mi-Gegotek
- Wageningen Environmental Research, Wageningen University & Research, PO Box 47, 6700 AA, Wageningen, the Netherlands
| | - P F A M Römkens
- Wageningen Environmental Research, Wageningen University & Research, PO Box 47, 6700 AA, Wageningen, the Netherlands
| | - A M Pustjens
- Wageningen Food Safety Research, Wageningen University & Research, PO Box 230, 6700 AE, Wageningen, the Netherlands
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Ding C, Lu Y, Xiang M, Wu F, Chen P, Gan W, Guo J, Li J, Ling Q, Zhao Z, Chen L, Zhang M, Sun Z. Internal electric field-assisted copper ions chelated polydopamine/titanium dioxide nano-thin film heterojunctions activate peroxymonosulfate under visible light to catalyze degradation of gatifloxacin: Theoretical calculations and biotoxicity analysis. J Colloid Interface Sci 2023; 646:275-289. [PMID: 37196501 DOI: 10.1016/j.jcis.2023.05.023] [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: 02/08/2023] [Revised: 04/20/2023] [Accepted: 05/04/2023] [Indexed: 05/19/2023]
Abstract
The combination of photocatalysis and peroxymonosulfate (PMS) activation is considered effective in treating organic pollutants in water; however, the photocatalysts currently used to activate PMS are primarily in powder form, which cause secondary contamination because they are difficult to recycle. In this study, copper-ion-chelated polydopamine/titanium dioxide (Cu-PDA/TiO2) nanofilm were prepared for PMS activation on fluorine-doped tin oxide substrates using hydrothermal and in-situ self-polymerization methods. The results showed that Cu-PDA/TiO2 + PMS + Vis degraded 94.8% of gatifloxacin (GAT) within 60 min, and the reaction rate constant reached 4.928 × 10-2 min-1, which was 6.25 and 4.04 folds higher than that of TiO2 + PMS + Vis (0.789 × 10-2 min-1) and PDA/TiO2 + PMS + Vis (1.219 × 10-2 min-1), respectively. The Cu-PDA/TiO2 nanofilm is easily recyclable and activates PMS to degrade GAT with no inferior performance, unlike the powder-based photocatalysts, and simultaneously maintains outstanding stability, which is highly suitable for applications in real aqueous environments. Biotoxicity experiments were conducted using E. coli, S. aureus, and mung bean sprouts as experimental subjects, and the results showed that the Cu-PDA/TiO2 + PMS + Vis system had excellent detoxification ability. In addition, a detailed investigation of the formation mechanism of step-scheme (S-scheme) Cu-PDA/TiO2 nanofilm heterojunctions was conducted by density functional theory (DFT) calculations and in-situ X-ray photoelectron spectroscopy (XPS). Finally, a specific process for activating PMS to degrade GAT was proposed, which provides a novel photocatalysts for practical applications in aqueous pollution.
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Affiliation(s)
- Chunsheng Ding
- School of Materials Science and Engineering, Anhui University, Hefei, Anhui 230601, PR China
| | - Yuqing Lu
- School of Materials Science and Engineering, Anhui University, Hefei, Anhui 230601, PR China
| | - Ming Xiang
- Anhui Key Laboratory of Ecological Engineering and Biotechnology, School of Life sciences, Anhui University, Hefei, Anhui 230601, PR China
| | - Fen Wu
- Anhui Key Laboratory of Ecological Engineering and Biotechnology, School of Life sciences, Anhui University, Hefei, Anhui 230601, PR China
| | - Peng Chen
- School of Materials Science and Engineering, Anhui University, Hefei, Anhui 230601, PR China
| | - Wei Gan
- School of Materials Science and Engineering, Anhui University, Hefei, Anhui 230601, PR China
| | - Jun Guo
- School of Materials Science and Engineering, Anhui University, Hefei, Anhui 230601, PR China
| | - Jianrou Li
- School of Materials Science and Engineering, Anhui University, Hefei, Anhui 230601, PR China
| | - Qi Ling
- School of Materials Science and Engineering, Anhui University, Hefei, Anhui 230601, PR China
| | - Ziwei Zhao
- School of Materials Science and Engineering, Anhui University, Hefei, Anhui 230601, PR China
| | - Lei Chen
- Anhui Key Laboratory of Ecological Engineering and Biotechnology, School of Life sciences, Anhui University, Hefei, Anhui 230601, PR China.
| | - Miao Zhang
- School of Materials Science and Engineering, Anhui University, Hefei, Anhui 230601, PR China.
| | - Zhaoqi Sun
- School of Materials Science and Engineering, Anhui University, Hefei, Anhui 230601, PR China.
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Zhao Z, Lin S, Yu Z, Su M, Liang B, Liang SX, Ju XH. Facile synthesis of triazine-based microporous organic network for high-efficient adsorption of flumequine and nadifloxacin: A comprehensive study on adsorption mechanisms and practical application potentials. CHEMOSPHERE 2023; 315:137731. [PMID: 36608878 DOI: 10.1016/j.chemosphere.2022.137731] [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: 10/07/2022] [Revised: 12/16/2022] [Accepted: 12/31/2022] [Indexed: 06/17/2023]
Abstract
Flumequine (FLU) and nadifloxacin (NAD), as emerging contaminants, have received extensive attention recently. In this study, a triazine-based microporous organic network (TMON) was synthetized and developed as an excellent adsorbent for FLU and NAD. The adsorption behavior and influence factors were investigated in both single and binary systems. Insight into the adsorption mechanisms were conducted through experiments, models, and computational studies, from macro and micro perspectives including functional groups, adsorption sites, adsorption energy and frontier molecular orbital. The results showed that the maximum adsorption capacities of TMON for FLU and NAD are 325.27 and 302.28 mg/g under 30 °C higher than records reported before. TMON exhibits the better adaptability and anti-interference ability for influence factors, leading to the preferable application effect in kinds of real water samples. TMON also shows the application potentials for the adsorption of other quinolone antibiotics and CO2 capture. Hydrogen-bonding interaction played the most critical role compared to π-π stacking effect, π-π electron-donor-acceptor interaction, CH-π interaction, and hydrophobic interaction during the adsorption. TMON could be regarded as a promising environmental adsorbent for its large surface area, stable physical and chemical properties, excellent recyclability, and wide range of applications.
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Affiliation(s)
- Zhe Zhao
- College of Chemistry and Environmental Science, Key Laboratory of Analytical Science and Technology of Hebei Province, Institute of Life Science and Green Development, Hebei University, Baoding, 071002, China; College of Chemistry and Chemical Engineering, Xingtai University, Xingtai, 054001, China
| | - Shumin Lin
- College of Chemistry and Environmental Science, Key Laboratory of Analytical Science and Technology of Hebei Province, Institute of Life Science and Green Development, Hebei University, Baoding, 071002, China
| | - Zhendong Yu
- College of Chemistry and Environmental Science, Key Laboratory of Analytical Science and Technology of Hebei Province, Institute of Life Science and Green Development, Hebei University, Baoding, 071002, China
| | - Ming Su
- College of Chemistry and Environmental Science, Key Laboratory of Analytical Science and Technology of Hebei Province, Institute of Life Science and Green Development, Hebei University, Baoding, 071002, China
| | - Bolong Liang
- College of Chemistry and Environmental Science, Key Laboratory of Analytical Science and Technology of Hebei Province, Institute of Life Science and Green Development, Hebei University, Baoding, 071002, China
| | - Shu-Xuan Liang
- College of Chemistry and Environmental Science, Key Laboratory of Analytical Science and Technology of Hebei Province, Institute of Life Science and Green Development, Hebei University, Baoding, 071002, China.
| | - Xue-Hai Ju
- School of Chemical Engineering, Nanjing University of Science and Technology, Nanjing, 210094, China
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Energy transfer mediated rapid and visual discrimination of tetracyclines and quercetin in food by using N, Cu Co-doped carbon dots. Anal Chim Acta 2023; 1239:340706. [PMID: 36628714 DOI: 10.1016/j.aca.2022.340706] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 12/01/2022] [Accepted: 12/03/2022] [Indexed: 12/13/2022]
Abstract
The appearance of multi-drug resistant Escherichia coli makes the combination of tetracyclines (TCs) and quercetin (QCT) more common to fight stubborn bacterial infections so that the effective detections of TCs and QCT are essential and necessary. Here, a novel fluorescence probe for differentiating TCs and QCT is developed based on the nitrogen and copper co-doped carbon dots (N, Cu-CDs). The N, Cu-CDs are prepared from ethylene diamine tetraacetic acid (EDTA) and anhydrous copper chloride as precursors through hydrothermal process and exhibit bright blue fluorescence with excellent optical stability. With the presence of four tetracyclines (DOX, TC, CTC and OTC), the fluorescence intensity of N, Cu-CDs is quenched directly due to the internal filtration effect (IFE), and the detection limit obtained through single-signal fluorescence sensing is as low as 23.8 nM for DOX, 37.2 nM for TC, 43.8 nM for OTC and 28.8 nM for CTC. More remarkably, three dimensional ratiometric fluorescence probe for detecting QCT is proposed based on the appearance of another emission at (410 nm, 490 nm) due to electron transform (ET) process. This new method shows a good linear relationship in the range of 10-100 μM with a low detection limit of 59.3 nM. Furthermore, a dual-channel fluorescence sensing platform based on microfluidics paper-based analytical devices (μPADs) is developed for simultaneously visual discrimination of TCs (DOX is chosen as the typical detecting model for TCs) and QCT. This investigation provides a new way for the development of CDs as multifunction fluorescence probes.
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Efficient Degradation of Tetracycline Antibiotics by Engineered Myoglobin with High Peroxidase Activity. Molecules 2022; 27:molecules27248660. [PMID: 36557794 PMCID: PMC9782475 DOI: 10.3390/molecules27248660] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 12/01/2022] [Accepted: 12/05/2022] [Indexed: 12/13/2022] Open
Abstract
Tetracyclines are one class of widely used antibiotics. Meanwhile, due to abuse and improper disposal, they are often detected in wastewater, which causes a series of environmental problems and poses a threat to human health and safety. As an efficient and environmentally friendly method, enzymatic catalysis has attracted much attention. In previous studies, we have designed an efficient peroxidase (F43Y/P88W/F138W Mb, termed YWW Mb) based on the protein scaffold of myoglobin (Mb), an O2 carrier, by modifying the heme active center and introducing two Trp residues. In this study, we further applied it to degrade the tetracycline antibiotics. Both UV-Vis and HPLC studies showed that the triple mutant YWW Mb was able to catalyze the degradation of tetracycline, oxytetracycline, doxycycline, and chlortetracycline effectively, with a degradation rate of ~100%, ~98%, ~94%, and ~90%, respectively, within 5 min by using H2O2 as an oxidant. These activities are much higher than those of wild-type Mb and other heme enzymes such as manganese peroxidase. As further analyzed by UPLC-ESI-MS, we identified multiple degradation products and thus proposed possible degradation mechanisms. In addition, the toxicity of the products was analyzed by using in vitro antibacterial experiments of E. coli. Therefore, this study indicates that the engineered heme enzyme has potential applications for environmental remediation by degradation of tetracycline antibiotics.
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Rehman F, Parveen N, Iqbal J, Sayed M, Shah NS, Ansar S, Ali Khan J, Shah A, Jamil F, Boczkaj G. Potential degradation of norfloxacin using UV-C/Fe2+/peroxides-based oxidative pathways. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.114305] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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