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Ebrahimi S, Afkhami A, Madrakian T. Target -responsive host-guest binding-driven dual-sensing readout for enhanced electrochemical chiral analysis. Analyst 2021; 146:4865-4872. [PMID: 34231570 DOI: 10.1039/d1an00795e] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Achieving efficient chiral discrimination by a convenient method remains a challenge in pharmaceutical and biotechnology industries. Our aim in this paper was to develop a dual-signaling enantioselective sensing strategy based on the competitive binding assay. A combination of β-cyclodextrin (β-CD) and methylene blue (MB) was used as an enantioselective discrimination probe to develop a straightforward electrochemical chiral sensor using the drug naproxen (R-and S-NaX) as the representative enantiomers. The principle relied on the difference between two enantiomers in the ability to replace a pre-binding redox probe, which in turn resulted in different dual signals for the two enantiomers. The applicability of the optimized procedure was demonstrated by the analysis of NaX enantiomers in the range of 0.4-6.0 μM. Featuring both signal-on and signal-off elements, the electrode presented significantly enhanced electrochemical activity with a low limit of detection (LOD) of 0.07 μM. We expect that our work will inspire interesting engineering strategies for developing novel enantioselective electrochemical sensors.
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Affiliation(s)
- Somaye Ebrahimi
- Faculty of Chemistry, Bu-Ali Sina University, Hamedan 6517838695, Iran.
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Torres-Cartas S, Meseguer-Lloret S, Gómez-Benito C, Catalá-Icardo M, Simó-Alfonso EF, Herrero-Martínez JM. Preparation of monolithic polymer-magnetite nanoparticle composites into poly(ethylene-co-tetrafluoroethylene) tubes for uses in micro-bore HPLC separation and extraction of phosphorylated compounds. Talanta 2021; 224:121806. [PMID: 33379032 DOI: 10.1016/j.talanta.2020.121806] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 10/22/2020] [Accepted: 10/23/2020] [Indexed: 12/17/2022]
Abstract
This paper describes the fabrication of a novel microbore monolithic column modified with magnetite nanoparticles (MNPs) prepared in a poly(ethylene-co-tetrafluoroethylene) (EFTE) tubing, and its application as stationary phase for the chromatographic separation of phosphorylated compounds. In order to obtain the composite column, a two-step procedure was performed. The formation of a glycidyl methacrylate-based monolith inside the activated ETFE tube was firstly carried out. Then, two incorporation approaches of MNPs in monoliths were investigated. The generic polymer was modified with 3-aminopropyltrimethoxysilane (APTMS) to be subsequently attached to MNP surfaces. Alternatively, APTMS-coated MNPs were firstly prepared and subsequently used for attachment onto the monolith surface through reaction of epoxy groups present in the generic monolith. This last strategy gave a reproducible layer of MNPs coated onto the polymer monolith as well as robust and permeable chromatographic columns. The retention behaviour of this MNP-based composite monolithic column was studied by using small phosphorylated compounds (adenosine phosphates). It was found that the retention of model analytes was ruled by partitioning and adsorption HILIC mechanisms. The columns also exhibited satisfactory performance in the separation of these target compounds, showing good chromatographic behaviour after two months of continued use. These composite monolithic columns were also successfully applied to the extraction of a tryptic digest of β-casein.
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Affiliation(s)
- Sagrario Torres-Cartas
- Institut D'Investigació per a La Gestió Integrada de Zones Costaneres, Campus de Gandia, Universitat Politècnica de València, C/ Paranimf 1, 46730, Grao de Gandia, València, Spain.
| | - Susana Meseguer-Lloret
- Institut D'Investigació per a La Gestió Integrada de Zones Costaneres, Campus de Gandia, Universitat Politècnica de València, C/ Paranimf 1, 46730, Grao de Gandia, València, Spain
| | - Carmen Gómez-Benito
- Institut D'Investigació per a La Gestió Integrada de Zones Costaneres, Campus de Gandia, Universitat Politècnica de València, C/ Paranimf 1, 46730, Grao de Gandia, València, Spain
| | - Mónica Catalá-Icardo
- Institut D'Investigació per a La Gestió Integrada de Zones Costaneres, Campus de Gandia, Universitat Politècnica de València, C/ Paranimf 1, 46730, Grao de Gandia, València, Spain
| | - Ernesto F Simó-Alfonso
- Department of Analytical Chemistry, University of Valencia, Dr. Moliner 50, 46100, Burjassot, Valencia, Spain
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Liu Y, Liu Y, Liu Z, Zhao X, Wei J, Liu H, Si X, Xu Z, Cai Z. Chiral molecularly imprinted polymeric stir bar sorptive extraction for naproxen enantiomer detection in PPCPs. JOURNAL OF HAZARDOUS MATERIALS 2020; 392:122251. [PMID: 32109790 DOI: 10.1016/j.jhazmat.2020.122251] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Revised: 08/22/2019] [Accepted: 02/05/2020] [Indexed: 05/14/2023]
Abstract
Chiral micropollutant analysis in pharmaceuticals and personal care products (PPCPs) is interesting but challenging. We firstly developed a series of chiral molecularly imprinted polymeric (CMIP) stir bar sorptive extraction coatings by combining a chiral template with chiral functional monomers via a click reaction for naproxen enantiomer analysis in PPCPs. Heterochiral selectivity was observed in the molecule recognition of the CMIP coatings, which demonstrated good adsorption capability for the chiral template and its structurally similar chiral compounds. The coatings also exhibited excellent enrichment capability for chiral analytes in an aqueous matrix. The surface morphology and pore structure of the CMIP coatings were characterized. The molecular interactions between the chiral template and chiral functional monomer were investigated through UV-vis spectroscopy and theoretical calculations to prove the effective interactions existing in the heterochiral MIPs. The CMIP coatings were used to enrich naproxen enantiomers in chiral drug and environmental water samples, and satisfactory recoveries (83.98 %-118.88 %) with a relative standard deviation of 3.49 %-13.08 % were achieved. The heterochiral imprinted coating-based method provided a sensitive, selective, and effective enrichment strategy for chiral micropollutant analysis in PPCPs. This technique is critical for chiral molecule recognition and enantiomer analysis in complex samples.
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Affiliation(s)
- Yujian Liu
- Faculty of Science, Kunming University of Science and Technology, Kunming, 650500, PR China
| | - Yuanchen Liu
- Faculty of Science, Kunming University of Science and Technology, Kunming, 650500, PR China; State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong, 999077, PR China
| | - Zhimin Liu
- Faculty of Science, Kunming University of Science and Technology, Kunming, 650500, PR China.
| | - Xingchen Zhao
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong, 999077, PR China
| | - Juntong Wei
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong, 999077, PR China
| | - Hongcheng Liu
- Institute of Quality Standard and Testing Technology, Yunnan Academy of Agricultural Science, Kunming, 650223, PR China
| | - Xiaoxi Si
- R&D Center of China Tobacco Yunnan Industrial Co. Ltd., Kunming, 650231, PR China
| | - Zhigang Xu
- Faculty of Science, Kunming University of Science and Technology, Kunming, 650500, PR China.
| | - Zongwei Cai
- State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong, 999077, PR China.
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Hormozi Jangi SR, Akhond M, Dehghani Z. High throughput covalent immobilization process for improvement of shelf-life, operational cycles, relative activity in organic media and enzymatic kinetics of urease and its application for urea removal from water samples. Process Biochem 2020. [DOI: 10.1016/j.procbio.2019.11.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Maleki S, Madrakian T, Afkhami A. Magnetic solid-phase extraction of codeine in a biological sample utilizing Fe3O4/CDs/Lys nanocomposite as an efficient adsorbent. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2019. [DOI: 10.1007/s13738-019-01680-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Laishram R, Maitra U. Rapid Sensing of Specific Drugs at Sub-Ppb Levels by Using a Hybrid Organic-Inorganic Photoluminescent Soft Material. ASIAN J ORG CHEM 2017. [DOI: 10.1002/ajoc.201700156] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Raju Laishram
- Department of Organic Chemistry; Indian Institute of Science; Bangalore 560012 India
| | - Uday Maitra
- Department of Organic Chemistry; Indian Institute of Science; Bangalore 560012 India
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Determination of ᴅ-phenylglycine in the presence of its ʟ-enantiomer using a turn-on fluorescent nano-chemosensor. Talanta 2017; 162:547-551. [DOI: 10.1016/j.talanta.2016.10.054] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2016] [Revised: 10/10/2016] [Accepted: 10/12/2016] [Indexed: 11/17/2022]
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Afkhami A, Kafrashi F, Ahmadi M, Madrakian T. A new chiral electrochemical sensor for the enantioselective recognition of naproxen enantiomers using l-cysteine self-assembled over gold nanoparticles on a gold electrode. RSC Adv 2015. [DOI: 10.1039/c5ra07396k] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A chiral electrochemical sensor for analyzing the enantiomeric composition of chiral compounds is reported.
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Affiliation(s)
- Abbas Afkhami
- Faculty of Chemistry
- Bu Ali Sina University
- Hamedan
- Iran
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