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Vergara-Barberán M, Catalá-Icardo M, Simó-Alfonso EF, Benavente F, Herrero-Martínez JM. Aptamer-functionalized stir bar sorptive extraction for selective isolation, identification, and determination of concanavalin A in food by MALDI-TOF-MS. Mikrochim Acta 2023; 190:219. [PMID: 37178355 PMCID: PMC10182934 DOI: 10.1007/s00604-023-05795-y] [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: 01/13/2023] [Accepted: 04/10/2023] [Indexed: 05/15/2023]
Abstract
An aptamer-functionalized stir bar sorptive extraction (SBSE) coating is described for the first time devoted to selective isolation and preconcentration of an allergenic food protein, concavanalin A (Con A), followed by matrix-assisted laser desorption/ionization mass spectrometry (MALDI-TOF-MS) determination. For this purpose, the polytetrafluoroethylene surface of commercial magnetic stir bars was properly modified and vinylized to immobilize a thiol-modified aptamer against Con A via straightforward "thiol-ene" click chemistry. The aptamer-functionalized stir bar was employed as SBSE sorbent to isolate Con A, and several parameters that can affect the extraction efficiency were investigated. Under the optimized conditions, Con A was extracted and desorbed during 30 and 45 min, respectively, at 25 °C and 600 rpm. The SBSE MALDI-TOF-MS method provided limits of detection of 0.5 μg mL-1 for Con A. Furthermore, the SBSE coating was highly selective to Con A compared to other lectins. The developed method was successfully applied to the determination of low levels of Con A in several food matrices (i.e., white beans as well as chickpea, lentils, and wheat flours). Recoveries ranged from 81 to 97% with relative standard deviations below 7%. The aptamer-based stir bars presented suitable physical and chemical long-term stability (1 month) and a reusability of 10 and 5 extraction cycles with standards and food extracts, respectively. The developed aptamer-affinity extraction devices open up the possibility of developing novel highly selective SBSE coatings for the extraction of proteins and peptides from complex samples.
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Affiliation(s)
- María Vergara-Barberán
- Department of Chemical Engineering and Analytical Chemistry, Institute for Research on Nutrition and Food Safety (INSA•UB), University of Barcelona, C/Martí i Franquès 1-11, 08028, Barcelona, Spain
- Department of Analytical Chemistry, University of Valencia, C/Doctor Moliner 50E, 46100, Burjassot, Valencia, Spain
| | - Mónica Catalá-Icardo
- Instituto de Investigación para la Gestión Integrada de Zonas Costeras, Campus de Gandia, Universitat Politècnica de València, C/Paranimf 1, 46730, Grau de Gandia, Valencia, Spain
| | - Ernesto F Simó-Alfonso
- Department of Analytical Chemistry, University of Valencia, C/Doctor Moliner 50E, 46100, Burjassot, Valencia, Spain
| | - Fernando Benavente
- Department of Chemical Engineering and Analytical Chemistry, Institute for Research on Nutrition and Food Safety (INSA•UB), University of Barcelona, C/Martí i Franquès 1-11, 08028, Barcelona, Spain
| | - José Manuel Herrero-Martínez
- Department of Analytical Chemistry, University of Valencia, C/Doctor Moliner 50E, 46100, Burjassot, Valencia, Spain.
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de Carvalho MH, de Araújo HDA, da Silva RP, Dos Santos Correia MT, de Freitas KCS, de Souza SR, Barroso Coelho LCB. Biosensor Characterization from Cratylia mollis Seed Lectin (Cramoll)-MOF and Specific Carbohydrate Interactions in an Electrochemical Model. Chem Biodivers 2022; 19:e202200515. [PMID: 36250754 DOI: 10.1002/cbdv.202200515] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 10/14/2022] [Indexed: 12/27/2022]
Abstract
Biosensors are small devices known for their selectivity, high specificity and sensitivity to the respective analyte, at low concentrations. We developed an electrochemical biosensor using the crystalline polymer MOF-[Cu3 (BTC)2 (H2 O)2 ]n to characterize Cratylia mollis seed lectin (Cramoll) and its interaction with free carbohydrate (glucose) and carbohydrates on the surface of rabbit erythrocytes. The electrochemical potentials presented by the exponential curves that vary from 96 to 142 mV in relation to concentrations of 10 to 20 mM of glucose are decisive for the use of the system containing gold electrode/MOF/Cramoll for the characterization of biological models due to its high sensitivity. As well as the kinetic behavior presented in the cyclic voltammograms, with a cathodic current response of 0.000 3 A for a glucose concentration of 15 mM. These results were due to the high specificity of Cramoll under these conditions, promoting stability of surface charges at the Cramoll/electrode interface. This phenomenon facilitates the monitoring of the interaction with free glucose present in the electrolyte medium by potentiometric and amperometric methods and with carbohydrates present on the surface of rabbit erythrocytes through the potentiometric method. Through scanning electron microscopy (SEM) it was possible to observe Cramoll immobilized on the MOF surface, proving the specificity of the ligand (glucose-lectin) through the morphological lectin changes in this process. This electrochemical model, Cramoll/MOF biosensor, is effective for evaluating free lectin/carbohydrate or in the erythrocyte membrane.
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Affiliation(s)
- Maryana Hermínio de Carvalho
- Departamento de Bioquímica, Centro de Biociências, CB, Universidade Federal de Pernambuco, Avenida Prof. Moraes Rego, 1235, Cidade Universitária, 50670-420, Recife-PE, Brazil
- Departamento de Química, Universidade Federal Rural de Pernambuco, UFRPE, Rua Dom Manuel de Medeiros, S/N, Dois Irmãos, Recife-PE, 52171-900, Brazil
| | - Hallysson Douglas Andrade de Araújo
- Departamento de Bioquímica, Centro de Biociências, CB, Universidade Federal de Pernambuco, Avenida Prof. Moraes Rego, 1235, Cidade Universitária, 50670-420, Recife-PE, Brazil
| | - Renata Pereira da Silva
- Departamento de Química, Universidade Federal Rural de Pernambuco, UFRPE, Rua Dom Manuel de Medeiros, S/N, Dois Irmãos, Recife-PE, 52171-900, Brazil
| | - Maria Tereza Dos Santos Correia
- Departamento de Bioquímica, Centro de Biociências, CB, Universidade Federal de Pernambuco, Avenida Prof. Moraes Rego, 1235, Cidade Universitária, 50670-420, Recife-PE, Brazil
| | - Katia Cristina Silva de Freitas
- Departamento de Química, Universidade Federal Rural de Pernambuco, UFRPE, Rua Dom Manuel de Medeiros, S/N, Dois Irmãos, Recife-PE, 52171-900, Brazil
| | - Sandra Rodrigues de Souza
- Departamento de Educação, UFRPE, Rua Dom Manuel de Medeiros, S/N, Dois Irmãos, Recife-PE, 52171-900, Brazil
| | - Luana Cassandra Breitenbach Barroso Coelho
- Departamento de Bioquímica, Centro de Biociências, CB, Universidade Federal de Pernambuco, Avenida Prof. Moraes Rego, 1235, Cidade Universitária, 50670-420, Recife-PE, Brazil
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Wang M, He J, Zhang Y, Tian Y, Xu P, Zhang X, Li Y, Chen J, He L. Application of magnetic hydroxyapatite surface-imprinted polymers in pretreatment for detection of zearalenone in cereal samples. J Chromatogr B Analyt Technol Biomed Life Sci 2022; 1201-1202:123297. [DOI: 10.1016/j.jchromb.2022.123297] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 05/08/2022] [Accepted: 05/10/2022] [Indexed: 11/29/2022]
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Wang Z, Zhou C, Wu S, Sun C. Ion-Imprinted Polymer Modified with Carbon Quantum Dots as a Highly Sensitive Copper(II) Ion Probe. Polymers (Basel) 2021; 13:1376. [PMID: 33922454 PMCID: PMC8122788 DOI: 10.3390/polym13091376] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2021] [Revised: 04/13/2021] [Accepted: 04/21/2021] [Indexed: 12/17/2022] Open
Abstract
Fluorescence analysis technology and ion imprinting technology are combined to prepare a copper ion fluorescence sensor. Carbon quantum dots (CQDs), with a quantum yield of 79%, were synthesized by a hydrothermal process using citric acid as the carbon source. The prepared CQDs, acting as the fluorophore, were grafted onto the surface of an SBA-15 mesoporous molecular sieve by an amidation reaction. Then, the fluorescent sensor CQDs@Cu-IIP was prepared using a surface imprinting technique with the modified SBA-15 as the substrate, copper ions as a template, tetraethoxysilane as the crosslinker, and 3-aminopropyl-3-ethoxysilane as the functional monomers. The sensor showed strong fluorescence from CQDs and high selectivity due to the presence of Cu(II)-IIP. After the detection conditions were optimized, the fluorescence intensity of the sensor had good linearity with Cu(II) concentration in a linear range of 0.25-2 mg/L and 3-10 mg/L. This CQDs@Cu-IIP was applied to the determination of traces Cu(II) in real water samples and good recoveries of 99.29-105.42% were obtained. The present study provides a general strategy for fabricating materials based on CQDs for selective fluorescence detection of heavy metals.
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Affiliation(s)
| | | | | | - Chunyan Sun
- College of Chemical Engineering, Qinghai University, Xining 810016, China; (Z.W.); (C.Z.); (S.W.)
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Sun Y, Zheng W. Surface molecular imprinting on polystyrene resin for selective adsorption of 4-hydroxybenzoic acid. CHEMOSPHERE 2021; 269:128762. [PMID: 33143895 DOI: 10.1016/j.chemosphere.2020.128762] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 09/26/2020] [Accepted: 10/25/2020] [Indexed: 06/11/2023]
Abstract
Using chloromethylated polystyrene resin, N,N-diethylaminoethyl methacrylate, and ethylene glycol dimethacrylate as support, functional monomer and cross-linker, respectively, the molecularly imprinted resin (MIR) and non-imprinted resin (NIR) were fabricated by the combination of atom transfer radical polymerization and surface imprinting technique for the selective adsorption of 4-hydroxybenzoic acid (4-HB) from aqueous solutions. The prepared adsorbents were characterized by N2 adsorption/desorption isotherms, Fourier-transform infrared spectroscopy, and X-ray photoelectron spectroscopy. The adsorption processes of the 4-HB with MIR and NIR followed pseudo-second-order kinetics, and the adsorption isotherms were appreciably described by the Langmuir model. Furthermore, the adsorption efficiencies of MIR and NIR for different compounds in single and binary solutions proved that MIR exhibited high adsorption capacity and favorable selectivity toward 4-HB over other structurally related organic compounds (i.e., benzoic acid, 2-hydroxybenzoic acid, 3-hydroxybenzoic acid, phenol, and 2-hydroxynaphthalene). In addition, MIR could effectively remove 4-HB from a simulated effluent in a dynamic adsorption experiment. This study illustrates in-depth perspectives on the adsorption mechanisms of 4-HB onto MIR; interactions between the adsorbate and adsorbent were proposed based on the adsorption behaviours and instrumental analyses. The resulting MIR is a promising material for the interference-free adsorbent in the selective adsorption of 4-HB from mixed solutions.
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Affiliation(s)
- Yue Sun
- Department of Municipal Engineering, School of Civil Engineering, Southeast University, Nanjing, 210096, China.
| | - Weisheng Zheng
- Department of Municipal Engineering, School of Civil Engineering, Southeast University, Nanjing, 210096, China
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Öztürk G, Saylan Y, Denizli A. Designing composite cryogel carriers for tyrosine adsorption. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2020.117622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Saylan Y, Erdem Ö, Inci F, Denizli A. Advances in Biomimetic Systems for Molecular Recognition and Biosensing. Biomimetics (Basel) 2020; 5:biomimetics5020020. [PMID: 32408710 PMCID: PMC7345028 DOI: 10.3390/biomimetics5020020] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 04/29/2020] [Accepted: 05/04/2020] [Indexed: 12/12/2022] Open
Abstract
Understanding the fundamentals of natural design, structure, and function has pushed the limits of current knowledge and has enabled us to transfer knowledge from the bench to the market as a product. In particular, biomimicry―one of the crucial strategies in this respect―has allowed researchers to tackle major challenges in the disciplines of engineering, biology, physics, materials science, and medicine. It has an enormous impact on these fields with pivotal applications, which are not limited to the applications of biocompatible tooth implants, programmable drug delivery systems, biocompatible tissue scaffolds, organ-on-a-chip systems, wearable platforms, molecularly imprinted polymers (MIPs), and smart biosensors. Among them, MIPs provide a versatile strategy to imitate the procedure of molecular recognition precisely, creating structural fingerprint replicas of molecules for biorecognition studies. Owing to their affordability, easy-to-fabricate/use features, stability, specificity, and multiplexing capabilities, host-guest recognition systems have largely benefitted from the MIP strategy. This review article is structured with four major points: (i) determining the requirement of biomimetic systems and denoting multiple examples in this manner; (ii) introducing the molecular imprinting method and reviewing recent literature to elaborate the power and impact of MIPs on a variety of scientific and industrial fields; (iii) exemplifying the MIP-integrated systems, i.e., chromatographic systems, lab-on-a-chip systems, and sensor systems; and (iv) closing remarks.
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Affiliation(s)
- Yeşeren Saylan
- Department of Chemistry, Hacettepe University, 06800 Ankara, Turkey;
| | - Özgecan Erdem
- Department of Biology, Hacettepe University, 06800 Ankara, Turkey;
- UNAM-National Nanotechnology Research Center, Bilkent University, 06800 Ankara, Turkey;
| | - Fatih Inci
- UNAM-National Nanotechnology Research Center, Bilkent University, 06800 Ankara, Turkey;
- Institute of Materials Science and Nanotechnology, Bilkent University, 06800 Ankara, Turkey
| | - Adil Denizli
- Department of Chemistry, Hacettepe University, 06800 Ankara, Turkey;
- Correspondence:
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