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Li Z, Li S, Jiang L, Niu J, Zhang Y, Nie L, Zhou Q, Chen C. High enrichment and sensitive measurement of oxytetracycline in tea drinks by thermosensitive magnetic molecular imprinting based magnetic solid phase extraction coupled with boron doped carbon dots. Food Chem 2024; 447:138998. [PMID: 38503068 DOI: 10.1016/j.foodchem.2024.138998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 02/07/2024] [Accepted: 03/09/2024] [Indexed: 03/21/2024]
Abstract
As a typical kind of new pollutants, there are still some challenges in the rapid detection of antibiotics. In this work, a sensitive fluorescent probe based on boron-doped carbon dots (B-CDs) in combination with thermo-responsive magnetic molecularly imprinted polymers (T-MMIPs) was constructed for the detection of oxytetracycline (OTC) in tea drinks. T-MMIPs were designed, fabricated and employed to enrich OTC at trace level from tea drinks, and B-CDs were utilized as the fluorescent probe to detect the concentration of OTC. The proposed method exhibited good linear relationship with OTC concentration from 0.2 to 60 μg L-1 and the limit of detection was 0.1 μg L-1. The established method has been successfully validated with tea beverages. Present work was the first attempt application of T-MMIPs in combination with CDs in detection of OTC, and demonstrated that the proposed method endowed the detection of OTC with high selectivity, sensitivity, reliability and wide application prospect, meanwhile offered a new strategy for the method establishment of rapid and sensitive detection of trace antibiotics in food and other matrices.
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Affiliation(s)
- Zhi Li
- College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing 102249, China
| | - Shuangying Li
- College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing 102249, China
| | - Liushan Jiang
- College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing 102249, China
| | - Jingwen Niu
- College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing 102249, China
| | - Yue Zhang
- College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing 102249, China
| | - Linchun Nie
- College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing 102249, China
| | - Qingxiang Zhou
- College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing 102249, China.
| | - Chunmao Chen
- College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing 102249, China.
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Tong Y, Wu Y, Nie L, Jiang L, Zhou Q. High enrichment and measurement of heterocyclic aromatic hydrocarbons from environmental waters with magnetic resorcinol-formaldehyde nanocomposites coupled with high performance liquid chromatography. Talanta 2024; 273:125864. [PMID: 38452592 DOI: 10.1016/j.talanta.2024.125864] [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: 11/13/2023] [Revised: 01/26/2024] [Accepted: 02/29/2024] [Indexed: 03/09/2024]
Abstract
Heterocyclic aromatic hydrocarbons are concerned pollutants with carcinogenic toxicity, which exist universally in various environmental matrices and have great harm to environmental and human health. In present work, magnetic resorcinol-formaldehyde composites (Fe3O4@SiO2@R-F) were fabricated via aldol condensation reaction under alkaline condition. The prepared magnetic materials were examined and analyzed with Fourier transform infrared spectroscopy and other related instruments. The Fe3O4@SiO2@R-F composites were utilized to develop an efficient magnetic solid phase extraction (MSPE) method for extracting six heteropolyclic aromatic hydrocarbons from environmental water samples including carbazole (CB), 7-methylquinoline (7-MQL), 9-methylcarbazole (9-MCB), dibenzothiophene (DBT), 4-methyldibenzothiophene (4-MDBT), and 4,6-dimethyldibenzothiophene (4,6-DMDBT). The analytes were analyzed by high performance liquid chromatography-ultraviolet variable wavelength detector (HPLC-VWD). The main factors affecting MSPE were optimized. With the optimal parameters, 9-MCB and 4-MDBT have good linearity over the concentration range of 0.1-300 μg L-1, and 7-MQL, CB, DBT and 4,6-DMDBT have good linearity over the concentration range of 0.5-300 μg L-1. The limits of detection were over the concentration range of 0.012-0.031 μg L-1. This method was successfully employed to measure real waters, and the spiked recoveries ranged from 89.4% to 99.9%. The results confirmed that the developed method was reliable, robust and could be employed as a usefully alternate way for analyzing such pollutants in waters.
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Affiliation(s)
- Yayan Tong
- College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing, 102249, China
| | - Yalin Wu
- College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing, 102249, China; Beijing Municipal Research Institute of Eco-Environmental Protection, Beijing, 100037, China
| | - Linchun Nie
- College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing, 102249, China
| | - Liushan Jiang
- College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing, 102249, China
| | - Qingxiang Zhou
- College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing, 102249, China.
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Yang C, Hu K, Zhao Y, Liu X, Li L, Zeng H, Zhang Z, Zhang S. Preparation of branched polyethyleneimine-assisted boronic acid-functionalized magnetic MXene for the enrichment of catecholamines in urine samples. J Sep Sci 2024; 47:e2300620. [PMID: 38066235 DOI: 10.1002/jssc.202300620] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Revised: 11/23/2023] [Accepted: 11/27/2023] [Indexed: 01/19/2024]
Abstract
Herein, a magnetic borate-functionalized MXene composite with multiple boronic affinity sites was fabricated by embedding Fe3 O4 nanoparticles with 4-formylphenylboronic acid functionalized Ti3 C2 Tx nanosheets and served as sorbent for the simultaneous extraction of catecholamines (CAs) in urine samples. The morphology and structure of the magnetic materials were investigated using scanning microscopy, vibrating sample magnetometer, X-ray photoelectron spectrometer, and X-ray diffraction. The introduction of polyethyleneimine can amplify the bonded boronic acid groups, thereby effectively improving the adsorption capacities for CAs based on the multiple interactions of boronic affinity, hydrogen bonding, and metal coordination. The adsorption performance was investigated using the kinetics and isotherms models, and the main parameters that influence the extraction efficiency were optimized. Under the most favorable magnetic solid-phase extraction condition, a sensitive method for the analysis of CAs in urine samples was developed by combining magnetic solid-phase extraction conditions with high-performance liquid chromatography detection. The findings illustrated that the proposed approach possessed a wide linearity range of 0.05-250 ng/mL with an acceptable correlation coefficient (R2 ≥ 0.9984) and detection limits of 0.010-0.015 ng/mL for the target CAs. The research not only provides a notable composite with multiple boronic affinity sites but also offers an effective and feasible measure for the detection of CAs in biological samples.
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Affiliation(s)
- Cheng Yang
- Academy of Chinese medical sciences, Henan University of Chinese Medicine, Zhengzhou, China
| | - Kai Hu
- Academy of Chinese medical sciences, Henan University of Chinese Medicine, Zhengzhou, China
| | - Yuanqing Zhao
- Academy of Chinese medical sciences, Henan University of Chinese Medicine, Zhengzhou, China
| | - Xiaobing Liu
- Academy of Chinese medical sciences, Henan University of Chinese Medicine, Zhengzhou, China
| | - Lixin Li
- Academy of Chinese medical sciences, Henan University of Chinese Medicine, Zhengzhou, China
| | - Huahui Zeng
- Academy of Chinese medical sciences, Henan University of Chinese Medicine, Zhengzhou, China
| | - Zhenqiang Zhang
- Academy of Chinese medical sciences, Henan University of Chinese Medicine, Zhengzhou, China
| | - Shusheng Zhang
- Center for modern analysis and gene sequencing, Zhengzhou University, Zhengzhou, China
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Manikandan R, Yoon JH, Chang SC. Emerging Trends in nanostructured materials-coated screen printed electrodes for the electrochemical detection of hazardous heavy metals in environmental matrices. CHEMOSPHERE 2023; 344:140231. [PMID: 37775053 DOI: 10.1016/j.chemosphere.2023.140231] [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: 03/14/2023] [Revised: 07/18/2023] [Accepted: 09/18/2023] [Indexed: 10/01/2023]
Abstract
Heavy metal ions (HMIs) have become a significant contaminant in recent years. The increase in heavy metal pollution is a serious situation, requiring progressively robust, fast sensing, highly sensitive, and suitable techniques for heavy metal detection. Compared to other classical analytical methods, electroanalytical techniques, especially stripping voltammetric techniques with modified screen-printed electrodes (SPEs), have several advantages, such as fast sensing, great sensitivity, specificity, and long-time stability. Therefore, these techniques are more suitable for HMI detection. In this review, the nanostructured materials used to coat SPEs for the electrochemical determination of HMI are summarized. Additionally, the electrode fabrication method, modification steps, and electroanalytical study of these materials are systematically discussed. Hence, this review will support the researchers in precisely evaluating the electrochemical HMIs detection through highly sensitive stripping voltammetric techniques using SPE modified with nanostructured carbon and their allotropes, metal, metal oxides and their nanocomposites as sensor materials. Moreover, modified electrodes real time detection of HMIs in different food and environmental samples were briefly discussed.
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Affiliation(s)
- Ramalingam Manikandan
- Department of Cogno-Mechatronics Engineering, College of Nanoscience and Nanotechnology, Pusan National University, Busan, 46241, Republic of Korea
| | - Jang-Hee Yoon
- Busan Centre, Korea Basic Science Institute, Busan, 46742, Republic of Korea
| | - Seung-Cheol Chang
- Department of Cogno-Mechatronics Engineering, College of Nanoscience and Nanotechnology, Pusan National University, Busan, 46241, Republic of Korea.
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Li Z, Li S, Li Y, Liu M, Jiang L, Niu J, Zhang Y, Zhou Q. Highly selective and sensitive determination of doxycycline integrating enrichment with thermosensitive magnetic molecular imprinting nanomaterial and carbon dots based fluorescence probe. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 896:165257. [PMID: 37414165 DOI: 10.1016/j.scitotenv.2023.165257] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 06/15/2023] [Accepted: 06/30/2023] [Indexed: 07/08/2023]
Abstract
Doxycycline (DOX), a typical tetracycline antibiotic, is widely used because of its excellent antibacterial activity. To develop effective method for DOX has attracted much more attention. Herein, a new detection technology integrating magnetic solid phase extraction (MSPE) based on thermosensitive magnetic molecularly imprinted polymers (T-MMIPs) and fluorescence spectrometry based on carbon dots (CDs) was established. Thermosensitive magnetic molecularly imprinted polymers (T-MMIPs) was designed for selective enrichment of trace DOX. The synthesized T-MMIPs showed excellent selectivity for DOX. The adsorption performance of T-MMIPs varied with temperature in different solvents, which could achieve the enrichment and rapid desorption of DOX. In addition, the synthesized CDs had stable fluorescent property and better water-solubility, and the fluorescence of CDs was significantly quenched by DOX due to the internal filtration effect (IFE). Under the optimized conditions, the method resulted in good linearity over the range from 0.5 to 30 μg L-1, and the limit of detection was 0.2 μg L-1. The constructed detection technology was validated with real water samples, and excellent spiked recoveries from 92.5 % to 105.2 % were achieved. These data clearly indicated that the proposed technology was rapid, highly selective, environmentally friendly, and possessed significant potential application and development prospects.
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Affiliation(s)
- Zhi Li
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing 102249, China
| | - Shuangying Li
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing 102249, China
| | - Yanhui Li
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing 102249, China
| | - Menghua Liu
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing 102249, China
| | - Liushan Jiang
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing 102249, China
| | - Jinwen Niu
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing 102249, China
| | - Yue Zhang
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing 102249, China
| | - Qingxiang Zhou
- State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering and Environment, China University of Petroleum-Beijing, Beijing 102249, China.
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Pasupuleti RR, Huang Y. Recent applications of atomic spectroscopy coupled with magnetic solid‐phase extraction techniques for heavy metal determination in environmental samples: A review. J CHIN CHEM SOC-TAIP 2023. [DOI: 10.1002/jccs.202300029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/09/2023]
Affiliation(s)
- Raghavendra Rao Pasupuleti
- Department of Medical Laboratory Science and Biotechnology Kaohsiung Medical University Kaohsiung Taiwan
| | - Yeou‐Lih Huang
- Department of Medical Laboratory Science and Biotechnology Kaohsiung Medical University Kaohsiung Taiwan
- Department of Laboratory Medicine, Kaohsiung Medical University Hospital Kaohsiung Medical University Kaohsiung Taiwan
- Graduate Institute of Medicine Kaohsiung Medical University Kaohsiung Taiwan
- Research Center for Precision Environmental Medicine Kaohsiung Medical University Kaohsiung Taiwan
- Department of Chemistry National Sun Yat‐sen University Kaohsiung Taiwan
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