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Hassan N, Sanfui MH, Chowdhury D, Roy S, Ghosh NN, Rahaman M, Chang M, Hasnat MA, Chattopadhyay PK, Singha NR. Synthesis of Intrinsically-Fluorescent Aliphatic Tautomeric Polymers for Proton-Conductivity, Dual-State Emission, and Sensing/Oxidation-Reduction of Metal Ions. Macromol Rapid Commun 2024:e2400363. [PMID: 38950314 DOI: 10.1002/marc.202400363] [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: 05/18/2024] [Revised: 06/15/2024] [Indexed: 07/03/2024]
Abstract
Herein, fluorescent conducting tautomeric polymers (FCTPs) are developed by polymerizing 2-methylprop-2-enoic acid (MPEA), methyl-2-methylpropenoate (MMP), N-(propan-2-yl)prop-2-enamide (PPE), and in situ-anchored 3-(N-(propan-2-yl)prop-2-enamido)-2-methylpropanoic acid (PPEMPA). Among as-synthesized FCTPs, the most promising characteristics in FCTP3 are confirmed by NMR and Fourier transform infrared (FTIR) spectroscopies, luminescence enhancements, and computational studies. In FCTP3, ─C(═O)NH─, -C(═O)N<, ─C(═O)OH, and ─C(═O)OCH3 subluminophores are identified by theoretical calculations and experimental analyses. These subluminophores facilitate redox characteristics, solid state emissions, aggregation-enhanced emissions (AEEs), excited-state intramolecular proton transfer (ESIPT), and conductivities in FCTP3. The ESIPT-associated dual emission/AEEs of FCTP3 are elucidated by time correlated single photon counting (TCSPC) investigation, solvent polarity effects, concentration-dependent emissions, dynamic light scattering (DLS) measurements, field emission scanning electron microscopy images, and computational calculations. The cyclic voltammetry measurements of FCTP3 indicate cumulative redox efficacy of ─C(═O)OH, ─C(═O)NH─/-C(═O)N<, ─C(─O─)═NH+─/─C(─O─)═N+, and ─C(═N)OH functionalities. In FCTP3, ESIPT-associated dual-emission enable in the selective detection of Cr(III)/Cu(II) at λem1/λem2 with the limit of detection of 0.0343/0.079 ppb. The preferential interaction of Cr(III)/Cu(II) with FCTP3 (amide)/FCTP3 (imidol) and oxidation/reduction of Cr(III)/Cu(II) to Cr(VI)/Cu(I) are further supported by NMR-titration; FTIR and X-ray photoelectron spectroscopy analyses; TCSPC/electrochemical/DLS measurement; alongside theoretical calculations. The proton conductivity of FCTP3 is explored by electrochemical impedance spectroscopy and I-V measurements.
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Affiliation(s)
- Nadira Hassan
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, West Bengal, 700106, India
| | - Md Hussain Sanfui
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, West Bengal, 700106, India
| | - Deepak Chowdhury
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, West Bengal, 700106, India
| | - Shrestha Roy
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, West Bengal, 700106, India
| | | | - Mostafizur Rahaman
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, P.O. Box 2455, Saudi Arabia
| | - Mincheol Chang
- Department of Polymer Engineering, Graduate School, Chonnam National University, Gwangju, 61186, South Korea
| | - Mohammad A Hasnat
- Electrochemistry & Catalysis Research Laboratory (ECRL), Department of Chemistry, School of Physical Sciences, Shahjalal University of Science and Technology, Sylhet, 3114, Bangladesh
| | - Pijush Kanti Chattopadhyay
- Department of Leather Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, West Bengal, 700106, India
| | - Nayan Ranjan Singha
- Advanced Polymer Laboratory, Department of Polymer Science and Technology, Government College of Engineering and Leather Technology (Post Graduate), Maulana Abul Kalam Azad University of Technology, Salt Lake City, Kolkata, West Bengal, 700106, India
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Riboni N, Ribezzi E, Bianchi F, Careri M. Supramolecular Materials as Solid-Phase Microextraction Coatings in Environmental Analysis. Molecules 2024; 29:2802. [PMID: 38930867 PMCID: PMC11206577 DOI: 10.3390/molecules29122802] [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: 05/20/2024] [Revised: 06/06/2024] [Accepted: 06/08/2024] [Indexed: 06/28/2024] Open
Abstract
Solid-phase microextraction (SPME) has been widely proposed for the extraction, clean-up, and preconcentration of analytes of environmental concern. Enrichment capabilities, preconcentration efficiency, sample throughput, and selectivity in extracting target compounds greatly depend on the materials used as SPME coatings. Supramolecular materials have emerged as promising porous coatings to be used for the extraction of target compounds due to their unique selectivity, three-dimensional framework, flexible design, and possibility to promote the interaction between the analytes and the coating by means of multiple oriented functional groups. The present review will cover the state of the art of the last 5 years related to SPME coatings based on metal organic frameworks (MOFs), covalent organic frameworks (COFs), and supramolecular macrocycles used for environmental applications.
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Affiliation(s)
- Nicolò Riboni
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area Delle Scienze 17/A, 43124 Parma, Italy; (E.R.); (M.C.)
| | | | - Federica Bianchi
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parco Area Delle Scienze 17/A, 43124 Parma, Italy; (E.R.); (M.C.)
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Wang G, Guo J, Zou J, Lei Z. CeO 2 nanocages with tetra-enzyme mimetic activities for dual-channel ratiometric colorimetric detection of microcystins-LR. Anal Chim Acta 2024; 1306:342599. [PMID: 38692792 DOI: 10.1016/j.aca.2024.342599] [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: 11/14/2023] [Revised: 03/08/2024] [Accepted: 04/11/2024] [Indexed: 05/03/2024]
Abstract
BACKGROUND Microcystin-leucine-arginine (MC-LR) produced by various cyanobacteria during harmful algal bloom poses serious threats to drinking water safety and human health. Conventional chromatography-based detection methods require expensive instruments and complicated sample pretreatment, limiting their application for on-site detection. Colorimetric aptasensors are simple and rapid, and are amenable to fast detection. However, they provide only one output signal, resulting in poor sensitivity and accuracy. Dual-channel ratiometric colorimetric method based on the peroxidase-like activity of nanozyme can achieve self-calibration by recording two reverse signals, providing significantly enhanced sensitivity and accuracy. RESULTS CeO2 nanocages (CeO2 NCs) with tetra-enzyme mimetic activities (oxidase-, peroxidase-, catalase- and superoxide dismutase-like activities) were facilely synthesized using zeolitic imidazolate framework-67 (ZIF-67) as sacrificial template. The peroxidase-like activity of CeO2 NCs can be regulated by DNA, and it showed opposite response to two chromogenic substrates (2,2'-azino-bis-(3-ethylbenzthiazoline-6-sulfonic acid) (ABTS) and 3,3',5,5'-tetramethylbenzidine (TMB)), which was mainly attributed to the changed affinity. On the basis of MC-LR aptamer-tunable peroxidase-like activity of CeO2 NCs in TMB and ABTS channel, a dual-channel ratiometric colorimetric aptasensor was constructed for detection of MC-LR. Compared with conventional single-signal colorimetric assays, the proposed method showed lower limit of detection (0.66 pg mL-1) and significantly enhanced sensitivity. Moreover, the practicability of the ratiometric colorimetric assay was demonstrated by detecting MC-LR in real water samples, and satisfactory recoveries (94.9-101.9 %) and low relative standard deviations (1.6-6.3 %) were obtained. SIGNIFICANCE This work presents a nanozyme-based ratiometric colorimetric aptasensor for MC-LR detection by recording the reverse responses of two chromogenic reactions. Benefiting from the self-calibration function, the method can achieve higher sensitivity and accuracy. The short detection time and practical application in real water samples show great potential for environmental monitoring.
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Affiliation(s)
- Guodong Wang
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan, 430205, PR China
| | - Jingfang Guo
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan, 430205, PR China
| | - Jing Zou
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan, 430205, PR China
| | - Zhen Lei
- School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan, 430205, PR China.
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Uğurlu Ö, Man E, Gök O, Ülker G, Soytürk H, Özyurt C, Evran S. A review of aptamer-conjugated nanomaterials for analytical sample preparation: Classification according to the utilized nanomaterials. Anal Chim Acta 2024; 1287:342001. [PMID: 38182359 DOI: 10.1016/j.aca.2023.342001] [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: 08/21/2023] [Revised: 11/01/2023] [Accepted: 11/03/2023] [Indexed: 01/07/2024]
Abstract
BACKGROUND Sample extraction before detection is a critical step in analysis. Since targets of interest are often found in complex matrices, the sample can not be directly introduced to the analytical instrument. Nanomaterials with unique physical-chemical properties are excellent supports for use in sorbent-based extraction. However, they lack selectivity and thus need to be functionalized with target-capturing molecules. Antibodies and molecularly imprinted polymers (MIPs) can be used for this purpose, but they have some problems that limit their practical applications. Hence, functionalization of nanomaterials for selectivity remains a problem. RESULTS Nucleic acid aptamers are affinity reagents that can provide superiority to antibodies since they can be selected in vitro and at a lower cost. Moreover, aptamers can be chemically synthesized and easily modified with different functional groups. Hence, aptamers are good candidates to impart selectivity to the nanomaterials. Recent studies focus on the integration of aptamers with magnetic nanoparticles, carbon-based nanomaterials, metal-organic frameworks, gold nanoparticles, gold nanorods, silica nanomaterials, and nanofibers. The unique properties of nanomaterials and aptamers make the aptamer-conjugated nanomaterials attractive for use in sample preparation. Aptamer-functionalized nanomaterials have been successfully used for selective extraction of proteins, small molecules, and cells from different types of complex samples such as serum, urine, and milk. In particular, magnetic nanoparticles have a wider use due to the rapid extraction of the sample under magnetic field. SIGNIFICANCE In this review, we aim to emphasize how beneficial features of nanomaterials and aptamers could be combined for extraction or enrichment of the analytes from complex samples. We aim to highlight that the benefits are twofold in terms of selectivity and efficiency when employing nanomaterials and aptamers together as a single platform.
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Affiliation(s)
- Özge Uğurlu
- Department of Medical Services and Techniques, Hatay Vocational School of Health Services, Hatay Mustafa Kemal University, Tayfur Sökmen Campus, 31060, Alahan-Antakya, Hatay, Turkey; Department of Biochemistry, Faculty of Science, Ege University, 35100, İzmir, Turkey
| | - Ezgi Man
- Department of Biochemistry, Faculty of Science, Ege University, 35100, İzmir, Turkey; EGE SCIENCE PRO Scientific Research Inc., Ege University, IdeEGE Technology Development Zone, 35100, İzmir, Turkey
| | - Oğuz Gök
- Department of Biochemistry, Faculty of Science, Ege University, 35100, İzmir, Turkey
| | - Gözde Ülker
- Department of Biochemistry, Faculty of Science, Ege University, 35100, İzmir, Turkey
| | - Hakan Soytürk
- Department of Biochemistry, Faculty of Science, Ege University, 35100, İzmir, Turkey
| | - Canan Özyurt
- Department of Chemistry and Chemical Processing Technologies, Lapseki Vocational School, Çanakkale Onsekiz Mart University, Çanakkale, Turkey
| | - Serap Evran
- Department of Biochemistry, Faculty of Science, Ege University, 35100, İzmir, Turkey.
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Lv Y, Ma J, Yu Z, Liu S, Yang G, Liu Y, Lin C, Ye X, Shi Y, Liu M. Fabrication of covalent organic frameworks modified nanofibrous membrane for efficiently enriching and detecting the trace polychlorinated biphenyls in water. WATER RESEARCH 2023; 235:119892. [PMID: 36996754 DOI: 10.1016/j.watres.2023.119892] [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: 11/15/2022] [Revised: 02/27/2023] [Accepted: 03/17/2023] [Indexed: 06/19/2023]
Abstract
Enriching and detecting the trace pollutants in actual matrices are critical to evaluating the water quality. Herein, a novel nanofibrous membrane, named PAN-SiO2@TpPa, was prepared by in situ growing β-ketoenamine-linked covalent organic frameworks (COF-TpPa) on the aminated polyacrylonitrile (PAN) nanofibers, and adopted for enriching the trace polychlorinated biphenyls (PCBs) in various natural water body (river, lake and sea water) through the solid-phase micro-extraction (SPME) process. The resulted nanofibrous membrane owned abundant functional groups (-NH-, -OH and aromatic groups), outstandingly thermal and chemical stability, and excellent ability in extracting PCBs congeners. Based on the SPME process, the PCBs congeners could be quantitatively analyzed by the traditional gas chromatography (GC) method, with the satisfactory linear relationship (R2>0.99), low detection limit (LODs, 0.1∼5 ng L-1), high enrichment factors (EFs, 2714∼3949) and multiple recycling (>150 runs). Meanwhile, when PAN-SiO2@TpPa was adopted in the real water samples, the low matrix effects on the enrichment of PCBs at both 5 and 50 ng L-1 over PAN-SiO2@TpPa membrane firmly revealed the feasibility of enriching the trace PCBs in real water. Besides, the related mechanism of extracting PCBs on PAN-SiO2@TpPa mainly involved the synergistic effect of hydrophobic effect, π-π stacking and hydrogen bonding.
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Affiliation(s)
- Yuancai Lv
- Fujian Provincial Engineering Research Center of Rural Waste Recycling Technology, Department of Environmental Science and Engineering, College of Environment & Safety Engineering, Fuzhou University, No.2 Xueyuan Road, Shangjie Town, Minhou County, Fuzhou, Fujian 350116, China
| | - Jiachen Ma
- Fujian Provincial Engineering Research Center of Rural Waste Recycling Technology, Department of Environmental Science and Engineering, College of Environment & Safety Engineering, Fuzhou University, No.2 Xueyuan Road, Shangjie Town, Minhou County, Fuzhou, Fujian 350116, China
| | - Zhendong Yu
- Fujian Provincial Engineering Research Center of Rural Waste Recycling Technology, Department of Environmental Science and Engineering, College of Environment & Safety Engineering, Fuzhou University, No.2 Xueyuan Road, Shangjie Town, Minhou County, Fuzhou, Fujian 350116, China
| | - Shuting Liu
- Fujian Provincial Engineering Research Center of Rural Waste Recycling Technology, Department of Environmental Science and Engineering, College of Environment & Safety Engineering, Fuzhou University, No.2 Xueyuan Road, Shangjie Town, Minhou County, Fuzhou, Fujian 350116, China
| | - Guifang Yang
- Fujian Provincial Key Laboratory of Ecology-Toxicological Effects & Control for Emerging Contaminants, Putian University, Putian 351100, China
| | - Yifan Liu
- Fujian Provincial Engineering Research Center of Rural Waste Recycling Technology, Department of Environmental Science and Engineering, College of Environment & Safety Engineering, Fuzhou University, No.2 Xueyuan Road, Shangjie Town, Minhou County, Fuzhou, Fujian 350116, China.
| | - Chunxiang Lin
- Fujian Provincial Engineering Research Center of Rural Waste Recycling Technology, Department of Environmental Science and Engineering, College of Environment & Safety Engineering, Fuzhou University, No.2 Xueyuan Road, Shangjie Town, Minhou County, Fuzhou, Fujian 350116, China
| | - Xiaoxia Ye
- Fujian Provincial Engineering Research Center of Rural Waste Recycling Technology, Department of Environmental Science and Engineering, College of Environment & Safety Engineering, Fuzhou University, No.2 Xueyuan Road, Shangjie Town, Minhou County, Fuzhou, Fujian 350116, China
| | - Yongqian Shi
- Fujian Provincial Engineering Research Center of Rural Waste Recycling Technology, Department of Environmental Science and Engineering, College of Environment & Safety Engineering, Fuzhou University, No.2 Xueyuan Road, Shangjie Town, Minhou County, Fuzhou, Fujian 350116, China
| | - Minghua Liu
- Fujian Provincial Engineering Research Center of Rural Waste Recycling Technology, Department of Environmental Science and Engineering, College of Environment & Safety Engineering, Fuzhou University, No.2 Xueyuan Road, Shangjie Town, Minhou County, Fuzhou, Fujian 350116, China; Fujian Provincial Key Laboratory of Ecology-Toxicological Effects & Control for Emerging Contaminants, Putian University, Putian 351100, China
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Lv Y, Shang Y, Li L, Zhang Y, Ma Q. Online hyphenation of in-capillary aptamer-functionalized solid-phase microextraction and extraction nanoelectrospray ionization for miniature mass spectrometry analysis. Analyst 2023; 148:1815-1823. [PMID: 36939082 DOI: 10.1039/d3an00111c] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
Abstract
Direct mass spectrometry (MS) analysis is vital to chemical and biological investigations. However, measuring complex samples is challenging due to matrix interference, resulting in compromised MS performance. In this study, an integrated experimental protocol has been developed, combining in-capillary aptamer-functionalized solid-phase microextraction (SPME), extraction nanoelectrospray ionization (nanoESI), and miniature MS analysis. The established method was applied to analyze caffeine in electronic cigarette liquid and beverage samples as proof-of-concept demonstrations. A custom SPME strip fabricated with caffeine-binding aptamers was prepared with an immobilization density of up to 0.812 nmol cm-2. Critical parameters affecting the effects of extraction, desorption, and ionization were optimized. A novel transition ion ratio-based strategy with enhanced quantitation accuracy was developed. The analytical performance of the proposed method was evaluated under optimized conditions. Acceptable recoveries of 87.5-111.5% with relative standard deviations of 3.1-6.1% and satisfactory sensitivity with limits of detection of 1.5 and 3 ng mL-1 and limits of quantitation of 5 and 10 ng mL-1 were obtained, respectively. The developed approach demonstrates a promising potential for rapid on-site applications with appealing analytical performance and efficiency.
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Affiliation(s)
- Yueguang Lv
- Key Laboratory of Consumer Product Quality Safety Inspection and Risk Assessment for State Market Regulation, Chinese Academy of Inspection and Quarantine, Beijing 100176, China.
| | - Yuhan Shang
- Key Laboratory of Consumer Product Quality Safety Inspection and Risk Assessment for State Market Regulation, Chinese Academy of Inspection and Quarantine, Beijing 100176, China.
| | - Linsen Li
- Key Laboratory of Consumer Product Quality Safety Inspection and Risk Assessment for State Market Regulation, Chinese Academy of Inspection and Quarantine, Beijing 100176, China. .,Key Laboratory of Molecular Medicine and Biotherapy, School of Life Science, Beijing Institute of Technology, Beijing 100081, China
| | - Ying Zhang
- Key Laboratory of Consumer Product Quality Safety Inspection and Risk Assessment for State Market Regulation, Chinese Academy of Inspection and Quarantine, Beijing 100176, China.
| | - Qiang Ma
- Key Laboratory of Consumer Product Quality Safety Inspection and Risk Assessment for State Market Regulation, Chinese Academy of Inspection and Quarantine, Beijing 100176, China.
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Xie Q, Xu Z, Huang G, Lin C, Lin X. Bioinspired polydopamine-mediated metal-organic framework click-grafting aptamers functionalized fabric for highly-specific recognition of microcystin-leucine arginine. J Chromatogr A 2023; 1688:463728. [PMID: 36566571 DOI: 10.1016/j.chroma.2022.463728] [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: 10/20/2022] [Revised: 12/07/2022] [Accepted: 12/17/2022] [Indexed: 12/23/2022]
Abstract
Fabricating functional electrospun nanofiber coating for highly selective extraction of microcystin-LR (MC-LR) was of significant importance for water-safety monitoring. Herein, a novel MOF@aptamer functionalized nanofabric was presented via a facile and reliable strategy integrating polydopamine (PDA) mediation and thiol-ene chemistry and applied for specific recognition of the MC-LR model analyte. Using polydopamine (PDA) as the mediating layer, vinyl-UiO-66 MOF was grown in situ, followed by post-synthetic modification (PSM) of Zr4+ with vinyl phosphate and rapid UV-initiated click reaction of aptamers. Uniform deposition of Zr-based MOF (vinyl-UiO-66) on the nanofibers was directly produced, and the tedious co-electrospinning process was abandoned to prevent the aggregation and encapsulation of MOF. Via an efficient "thiol-ene" chemistry, massive thiol-terminated aptamers were grafted on MOF within one step under friendly conditions, rather than the time-consuming nanoparticle adsorption or unfriendly covalent chemical reactions. As a result, the robust MOF@aptamer-coated nano-fabrics were obtained, and a highly selective performance towards MC-LR was illustrated with a limit of detection (LOD) at 0.002 ng/mL, good precision (CV<8.3%), good repeatability (2.2∼6.0%) when coupled with LC-MS. Almost 1∼2 orders of magnitude higher detection sensitivity was exhibited than that of the common non-specific SPE/SPME fiber reported so far. Applied to water samples, the good matrix-resistance ability, and acceptable recovery yields were achieved with high specificity. This strategy might provide a rapid and friendly protocol to efficiently fabricate MOF@aptamer functionalized nano-fabrics through electrospinning and interfacial "thiol-ene" chemistry for highly-selective microextraction.
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Affiliation(s)
- Qian Xie
- Engineering Technology Research Center on Reagent and Instrument for Rapid Detection of Product Quality and Food Safety in Fujian Province, Fuzhou University, Fuzhou, 350108, People's Republic of China; Institute of Analytical Technology and Smart Instruments, Xiamen Huaxia University, Xiamen, 361024, People's Republic of China
| | - Zhiqun Xu
- Institute of Food Safety and Environment Monitoring, Fuzhou University, Fuzhou, 350108, People's Republic of China; Department of Medical Science and Technology, Suzhou Chien-shiung Institute of Technology, Taicang, 215411, People's Republic of China
| | - Guobin Huang
- Institute of Food Safety and Environment Monitoring, Fuzhou University, Fuzhou, 350108, People's Republic of China
| | - Chenchen Lin
- Engineering Technology Research Center on Reagent and Instrument for Rapid Detection of Product Quality and Food Safety in Fujian Province, Fuzhou University, Fuzhou, 350108, People's Republic of China; Institute of Food Safety and Environment Monitoring, Fuzhou University, Fuzhou, 350108, People's Republic of China.
| | - Xucong Lin
- Engineering Technology Research Center on Reagent and Instrument for Rapid Detection of Product Quality and Food Safety in Fujian Province, Fuzhou University, Fuzhou, 350108, People's Republic of China; Institute of Food Safety and Environment Monitoring, Fuzhou University, Fuzhou, 350108, People's Republic of China.
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8
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Shi G, Yan C, Chen J. Ultrasensitive Aptasensor for Microcystin-LR Detection in Food Samples Based on Target-Activated Assembly of Y-Shaped Hairpin Probes. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:16446-16452. [PMID: 36524375 DOI: 10.1021/acs.jafc.2c07661] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
As a kind of algal toxin, microcystin-LR (MC-LR) causes a tremendous treat to food safety and the detection of trace levels of MC-LR is highly desirable. Herein, we developed an ultrasensitive aptasensor for MC-LR detection based on target-activated assembly of Y-shaped hairpins. The aptamer-target recognition initiates the assembly step between two Y-shaped hairpin probes through toehold-mediated DNA replacement. One of the hairpins was modified with FAM and BHQ. Through cyclic assembly reactions, a high fluorescence signal can be observed in the product. The detection limit is 0.2 pM for MC-LR detection. In addition, the biosensor is robust and has been successfully explored to assess the MC-LR concentrations in real fish and water samples with satisfactory recovery rates and good accuracy. The signal amplification can be gained through the cyclic Y-shaped hairpin assembly, which offers a simple, ultrasensitive, and reliable method for MC-LR monitoring in food samples.
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Affiliation(s)
- Gu Shi
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China
| | - Chong Yan
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China
| | - Junhua Chen
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou 510650, China
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9
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Ali GK, Omer KM. Nanozyme and Stimulated Fluorescent Cu-Based Metal-Organic Frameworks (Cu-MOFs) Functionalized with Engineered Aptamers as a Molecular Recognition Element for Thrombin Detection in the Plasma of COVID-19 Patients. ACS OMEGA 2022; 7:36804-36810. [PMID: 36278053 PMCID: PMC9583328 DOI: 10.1021/acsomega.2c05232] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 09/23/2022] [Indexed: 05/19/2023]
Abstract
An essential tool in the management and control of the COVID-19 pandemic is the development of a fast, selective, sensitive, and inexpensive COVID-19 biomarkers detection method. Herein, an ultrasensitive and label-free biosensing strategy was described for the colorimetric and fluorimetric detection of thrombin. A dual-mode aptasensing method based on integrating engineered ssDNA with a stimulated fluorescent enzyme-mimetic copper-based metal-organic framework (Cu-MOF) as a molecular recognition element for thrombin was investigated. Cu-MOFs displayed stimulated fluorescence and enzyme-mimetic peroxidase activities that oxidize the chromogenic colorless substance TMB to blue-colored oxTMB. The thrombin-based aptamer (ssDNA) can be immobilized on the Cu-MOF surface to form a functionalized composite, ssDNA/MOF, and quench the stimulated fluorescence emission and the enzymatic activity of the Cu-MOF. Later, addition of thrombin recovers the fluorescence and enzymatic activity of the MOF. Thus, a turn-on colorimetry/fluorimetry aptasensing probe was designed for the detection of thrombin. Based on colorimetric assay, 350 pM was recorded as the lower limit of detection (LOD), while based on the fluorescence mode, 110 fM was recorded as the LOD (when S/N = 3). The label-free aptasensing probe was used successfully for the detection of thrombin in COVID-19 patients with satisfactory recoveries, 95-98%. Since the detection time of our aptasensor is relatively rapid (45 min) and due to the low-cost precursors and easy-to-operate characteristics, we believe that it has great potential to be used in point-of-care testing (POCT).
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Affiliation(s)
- Gona K. Ali
- Department
of Chemistry, College of Science, University
of Sulaimani, Slemani
City 46002, Kurdistan
Region, Iraq
| | - Khalid M. Omer
- Department
of Chemistry, College of Science, University
of Sulaimani, Slemani
City 46002, Kurdistan
Region, Iraq
- Center
for Biomedical Analysis, Department of Chemistry, College of Science, University of Sulaimani, Slemani City 46002, Kurdistan Region, Iraq
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10
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Ali GK, Omer KM. Ultrasensitive aptamer-functionalized Cu-MOF fluorescent nanozyme as an optical biosensor for detection of C-reactive protein. Anal Biochem 2022; 658:114928. [PMID: 36162448 DOI: 10.1016/j.ab.2022.114928] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 09/15/2022] [Accepted: 09/20/2022] [Indexed: 11/30/2022]
Abstract
In the present work, an aptasensing method based on integration of RNA on Cu-MOF was developed for detection of C-Reactive Protein (CRP). Cu-MOF showed stimulated fluorescence and mimetic peroxidase enzymatic activity at the time and can be used as dual-signal transduction. CRP binding RNA was used as a highly selective recognition element and immobilized on the Cu-MOF. The immobilized RNA can block the peroxidase activity and fluorescence of the signal traducer probe. Adding CRP to the RNA/Cu-MOF will release RNA from the surface of Cu-MOF and recover both the stimulated fluorescence and peroxidase activity. A biosensor was built for detection of CRP using the two modes of transduction, either colorimetry or fluorometry. A dynamic linear range was obtained from 0.1 to 50 ng mL -1with a limit of detection (LOD) as small as 40 pg mL -1was calculated in fluorescence mode and 240 pg mL -1 as LOD in colorimetry mode. The LODs are lower than the LOD of nephelometric techniques used in clinical practice and is comparable to the normal clinical cutoff value in high-sensitivity CRP assays (1 μg/mL). The aptasensor was successfully applied for detection of CRP in Covid-19 patients with spike recoveries between 84 and 102% and RSD from 0.94% to 2.05%.
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Affiliation(s)
- Gona K Ali
- Center for Biomedical Analysis, Department of Chemistry, College of Science, University of Sulaimani, Qliasan St, 46002, Sulaimani City, Kurdistan Region, Iraq
| | - Khalid M Omer
- Center for Biomedical Analysis, Department of Chemistry, College of Science, University of Sulaimani, Qliasan St, 46002, Sulaimani City, Kurdistan Region, Iraq.
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Gao Y, Sheng K, Bao T, Wang S. Recent applications of organic molecule-based framework porous materials in solid-phase microextraction for pharmaceutical analysis. J Pharm Biomed Anal 2022; 221:115040. [PMID: 36126613 DOI: 10.1016/j.jpba.2022.115040] [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: 06/30/2022] [Revised: 08/10/2022] [Accepted: 09/08/2022] [Indexed: 11/15/2022]
Abstract
Sample preparation is an indispensable part of detection of complex samples in pharmaceutical analysis. Solid-phase microextraction (SPME) has obtained a lot of attention due to its advantages of time saving, less solvent and easily automation. A variety of functional materials are used as sorbents in SPME to carry out selective and high extraction. This review centers around the recent applications of organic molecule-based framework porous materials, such as metal organic frameworks (MOFs) and covalent organic frameworks (COFs), as SPME coating materials mainly focus on pharmaceutical analysis in food, environment, and biological samples. Four representative extraction devices are introduced, including on-fiber SPME, in-tube SPME, thin film SPME, stir bar SPME. The application prospect of other organic porous materials as sorbents for pharmaceutical analysis are also discussed, such as hyper crosslinked polymers (HCPs) and conjugated microporous polymers (CMPs). The progresses and discusses are provided to offer references for further research focusing on application and development of organic molecule-based framework porous materials in the field of SPME.
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Affiliation(s)
- Yan Gao
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an 710061, China; Shaanxi Engineering Research Center of Cardiovascular Drugs Screening & Analysis, Xi'an 710061, China
| | - Kangjia Sheng
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an 710061, China; Shaanxi Engineering Research Center of Cardiovascular Drugs Screening & Analysis, Xi'an 710061, China
| | - Tao Bao
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an 710061, China; Shaanxi Engineering Research Center of Cardiovascular Drugs Screening & Analysis, Xi'an 710061, China.
| | - Sicen Wang
- School of Pharmacy, Health Science Center, Xi'an Jiaotong University, Xi'an 710061, China; Shaanxi Engineering Research Center of Cardiovascular Drugs Screening & Analysis, Xi'an 710061, China.
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12
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Song Z, Zhou Y, Shen M, Zhao D, Hu H, Zeng S, Sun L, Cai S. MUC1 detection and in situ imaging method based on aptamer conformational switch and hybridization chain reaction. Talanta 2021; 239:123129. [PMID: 34896820 DOI: 10.1016/j.talanta.2021.123129] [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: 10/08/2021] [Revised: 11/30/2021] [Accepted: 12/05/2021] [Indexed: 11/28/2022]
Abstract
Mucin 1 (MUC1) overexpression in tumor cells is related to various cancers, including breast, stomach, and lung cancer. MUC1 detection and imaging are important for cancer localization in tissue sections to support histopathological diagnosis. In this study, we developed a simple, enzyme-free MUC1 detection and in situ imaging method. Three hairpin probes, Apt-trigger, HP1-FAM, and HP2, were designed for MUC1 recognition and hybridization chain reaction (HCR). The Apt-trigger probe was composed of two sequences: the MUC1 aptamer and HCR trigger sequence. The 5' end of the HP1-FAM probe was modified with a FAM signal molecule. In the presence of MUC1, the aptamer sequence is activated and bound to MUC1, which opens the hairpin structure. Then, the trigger sequence gets exposed and, complementary to HP1-FAM, triggers a continuous HCR process. This method was successfully used to detect MUC1 of 200 pM-25 nM and MUC1 in situ imaging in specific cells, such as human breast carcinoma (MCF-7) and human colon cancer (HT-29) cells.
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Affiliation(s)
- Zihan Song
- Institute of Drug Metabolism and Pharmaceutical Analysis, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Science, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Yun Zhou
- First Affiliated Hospital of the Medical College, Shihezi University, Shihezi, Xinjiang, 832099, China
| | - Minzhe Shen
- Institute of Drug Metabolism and Pharmaceutical Analysis, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Science, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Dong Zhao
- Institute of Drug Metabolism and Pharmaceutical Analysis, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Science, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Haihong Hu
- Institute of Drug Metabolism and Pharmaceutical Analysis, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Science, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Su Zeng
- Institute of Drug Metabolism and Pharmaceutical Analysis, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Science, Zhejiang University, Hangzhou, Zhejiang, 310058, China
| | - Lianli Sun
- Institute of Drug Metabolism and Pharmaceutical Analysis, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Science, Zhejiang University, Hangzhou, Zhejiang, 310058, China.
| | - Sheng Cai
- Institute of Drug Metabolism and Pharmaceutical Analysis, Zhejiang Province Key Laboratory of Anti-Cancer Drug Research, College of Pharmaceutical Science, Zhejiang University, Hangzhou, Zhejiang, 310058, China.
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