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Piskin E, Cetinkaya A, Unal MA, Özgür E, Atici EB, Uzun L, Ozkan SA. A molecularly imprinted polymer-based detection platform confirmed through molecular modeling for the highly sensitive and selective analysis of ipratropium bromide. J Pharm Biomed Anal 2024; 248:116283. [PMID: 38850885 DOI: 10.1016/j.jpba.2024.116283] [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: 04/19/2024] [Revised: 06/02/2024] [Accepted: 06/03/2024] [Indexed: 06/10/2024]
Abstract
This study presented a new method to design a MIP-based electrochemical sensor that could improve the selective and sensitive detection of ipratropium bromide (IPR). The polymeric film was designed using 2-hydroxyethyl methacrylate (HEMA) as the basic monomer, 2-hydroxy-2-methylpropiophenone as the initiator, ethylene glycol dimethacrylate (EGDMA) as the crosslinking agent, and N-methacryloyl-L-aspartic acid (MAAsp) as the functional monomer. The presence of MAAsp results in the functional groups in imprinting binding sites, while the presence of poly(vinyl alcohol) (PVA) allows the generation of porous materials not only for sensitive sensing but also for avoiding electron transport limitations. Electrochemical characterizations of the changes at each stage of the MIP preparation process were confirmed using cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS). In addition, morphological characterizations of the developed sensor were performed using scanning electron microscopy (SEM), attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR), and contact angle measurements. Theoretical calculations were also performed to explain/confirm the experimental results better. It was found that the results of the calculations using the DFT approach agreed with the experimental data. The MAAsp-IPR@MIP/GCE sensor was developed using the photopolymerization method, and the sensor surface was obtained by exposure to UV lamp radiation at 365 nm. The improved MIP-based electrochemical sensor demonstrated the ability to measure IPR for standard solutions in the linear operating range of 1.0 × 10-12-1.0 × 10-11 M under optimized conditions. For standard solutions, the limit of detection (LOD) and limit of quantification (LOQ) were obtained as 2.78 × 10-13 and 9.27 × 10-13 M, respectively. The IPR recovery values for the inhalation form were calculated as 101.70 % and 100.34 %, and the mean relative standard deviations (RSD) were less than 0.76 % in both cases. In addition, the proposed modified sensor demonstrated remarkable sensitivity and selectivity for rapid assessment of IPR in inhalation forms. The sensor's unique selectivity is demonstrated by its successful performance even in the presence of IPR impurities.
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Affiliation(s)
- Ensar Piskin
- Ankara University, Faculty of Pharmacy, Department of Analytical Chemistry, Ankara, Turkiye; Ankara University, Graduate School of Health Sciences, Ankara, Turkiye
| | - Ahmet Cetinkaya
- Ankara University, Faculty of Pharmacy, Department of Analytical Chemistry, Ankara, Turkiye.
| | - Mehmet A Unal
- Ankara University, Stem Cell Institute, Ankara, Turkiye
| | - Erdogan Özgür
- Hacettepe University, Faculty of Science, Department of Chemistry, Ankara, Turkiye
| | | | - Lokman Uzun
- Hacettepe University, Faculty of Science, Department of Chemistry, Ankara, Turkiye
| | - Sibel A Ozkan
- Ankara University, Faculty of Pharmacy, Department of Analytical Chemistry, Ankara, Turkiye.
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Wen Y, Sun D, Zhang Y, Zhang Z, Chen L, Li J. Molecular imprinting-based ratiometric fluorescence sensors for environmental and food analysis. Analyst 2023; 148:3971-3985. [PMID: 37528730 DOI: 10.1039/d3an00483j] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/03/2023]
Abstract
Environmental protection and food safety are closely related to the healthy development of human society; there is an urgent need for relevant analytical methods to determine environmental pollutants and harmful substances in food. Molecular imprinting-based ratiometric fluorescence (MI-RFL) sensors, constructed by combining molecular imprinting recognition and ratiometric fluorescence detection, possess remarkable advantages such as high selectivity, anti-interference ability, high sensitivity, non-destruction and convenience, and have attracted increasing interest in the field of analytical determination. Herein, recent advances in MI-RFL sensors for environmental and food analysis are reviewed, aiming at new construction strategies and representative determination applications. Firstly, fluorescence sources and possible sensing principles are briefly outlined. Secondly, new imprinting techniques and dual/ternary-emission fluorescence types that improve sensing performances are highlighted. Thirdly, typical analytical applications of MI-RFL sensors in environmental and food samples are summarized. Lastly, the challenges and perspectives of the MI-RFL sensors are proposed, focusing on improving sensitivity/visualization and extending applications.
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Affiliation(s)
- Yuhao Wen
- School of Marine Science and Technology, Harbin Institute of Technology (Weihai), Weihai 264209, China
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Shandong Research Center for Coastal Environmental Engineering and Technology, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China.
| | - Dani Sun
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Shandong Research Center for Coastal Environmental Engineering and Technology, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China.
- College of Chemistry and Chemical Engineering, Yantai University, Yantai 264005, China
| | - Yue Zhang
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Shandong Research Center for Coastal Environmental Engineering and Technology, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China.
| | - Zhong Zhang
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710062, China
| | - Lingxin Chen
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Shandong Research Center for Coastal Environmental Engineering and Technology, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China.
- School of Pharmacy, Binzhou Medical College, Yantai 264003, China
| | - Jinhua Li
- School of Marine Science and Technology, Harbin Institute of Technology (Weihai), Weihai 264209, China
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Shandong Research Center for Coastal Environmental Engineering and Technology, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China.
- College of Chemistry and Chemical Engineering, Yantai University, Yantai 264005, China
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Yan L, Wang Y, Li G, Sun D, Li H, Liu C, Zhou T, Che G, You C. Preparation of Magnetic Superhydrophilic Imprinted Nanocomposite Resin and its Application in the Extraction of Chlorophenols in Water. ChemistrySelect 2023. [DOI: 10.1002/slct.202204495] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
Affiliation(s)
- Li Yan
- Key Laboratory of Preparation and Application of Environmenl Friendly Materials Ministry of Education Jilin Normal University Changchun 130103 P.R. China
- College of chemistry Jilin Normal University Siping 136000 P.R. China
| | - Yanbo Wang
- Key Laboratory of Preparation and Application of Environmenl Friendly Materials Ministry of Education Jilin Normal University Changchun 130103 P.R. China
- College of chemistry Jilin Normal University Siping 136000 P.R. China
| | - Guijie Li
- Jilin province product quality supervision and inspection institute Changchun 13010 P.R. China
| | - Dongshu Sun
- Key Laboratory of Preparation and Application of Environmenl Friendly Materials Ministry of Education Jilin Normal University Changchun 130103 P.R. China
- College of Engineering Jilin Normal University Siping 136000 P.R. China
| | - Hongji Li
- Key Laboratory of Preparation and Application of Environmenl Friendly Materials Ministry of Education Jilin Normal University Changchun 130103 P.R. China
- College of Engineering Jilin Normal University Siping 136000 P.R. China
| | - Chunbo Liu
- Key Laboratory of Preparation and Application of Environmenl Friendly Materials Ministry of Education Jilin Normal University Changchun 130103 P.R. China
- College of Engineering Jilin Normal University Siping 136000 P.R. China
| | - Tianyu Zhou
- Key Laboratory of Preparation and Application of Environmenl Friendly Materials Ministry of Education Jilin Normal University Changchun 130103 P.R. China
- College of Engineering Jilin Normal University Siping 136000 P.R. China
| | - Guangbo Che
- Key Laboratory of Preparation and Application of Environmenl Friendly Materials Ministry of Education Jilin Normal University Changchun 130103 P.R. China
- College of Engineering Jilin Normal University Siping 136000 P.R. China
- College of chemistry Baicheng Normal University Baicheng 137018 P.R. China
| | - Chuanxue You
- Key Laboratory of Preparation and Application of Environmenl Friendly Materials Ministry of Education Jilin Normal University Changchun 130103 P.R. China
- College of chemistry Jilin Normal University Siping 136000 P.R. China
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Hatamluyi B, Sadeghzadeh S, Zehi ZB, Rezayi M, Sany SBT. A rapid and recyclable analysis method for sulfadimethoxine detection based on molecularly imprinted electrochemical sensor reinforced by GQDs/ZIF-8 nanocomposite. Microchem J 2022. [DOI: 10.1016/j.microc.2022.108266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
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