1
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Sánchez-Bodón J, García-García A, Diaz-Galbarriatu M, Vilas-Vilela JL, Moreno-Benítez I. An easy and simple method for the immobilization of dyes through click reactions: activated alkyne, copper not needed. RSC Adv 2024; 14:14289-14295. [PMID: 38690116 PMCID: PMC11060046 DOI: 10.1039/d4ra01776e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Accepted: 04/25/2024] [Indexed: 05/02/2024] Open
Abstract
The copper-free azide-alkyne click reaction has shown to be a successful alternative to immobilize covalently a fluorescente compound onto poly(-l-lactic) acid (PLLA) surfaces. Proceded by basic hydrolysis and amidation reaction, typical surface characterization techniques have validated each functionaliztion step and the success of the conjugation. This method offers a catalyst-free option for various surface conjugations, extremely demanded in biomedical and biosensory fields.
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Affiliation(s)
- Julia Sánchez-Bodón
- Grupo de Química Macromolecular (LABQUIMAC), Departamento de Química Física, Facultad de Ciencia y Tecnología, Universidad del País Vasco UPV/EHU 48940 Leioa Spain
| | - Ane García-García
- Grupo de Química Macromolecular (LABQUIMAC), Departamento de Química Física, Facultad de Ciencia y Tecnología, Universidad del País Vasco UPV/EHU 48940 Leioa Spain
- BCMaterials, Basque Center for Materials, Applications and Nanostructures UPV/EHU Science Park 48940 Leioa Spain
| | - Maria Diaz-Galbarriatu
- Grupo de Química Macromolecular (LABQUIMAC), Departamento de Química Física, Facultad de Ciencia y Tecnología, Universidad del País Vasco UPV/EHU 48940 Leioa Spain
| | - José Luis Vilas-Vilela
- Grupo de Química Macromolecular (LABQUIMAC), Departamento de Química Física, Facultad de Ciencia y Tecnología, Universidad del País Vasco UPV/EHU 48940 Leioa Spain
- BCMaterials, Basque Center for Materials, Applications and Nanostructures UPV/EHU Science Park 48940 Leioa Spain
| | - Isabel Moreno-Benítez
- Grupo de Química Macromolecular (LABQUIMAC), Departamento de Química Orgánica e Inorgánica, Facultad de Ciencia y Tecnología, Universidad del País Vasco UPV/EHU 48940 Leioa Spain
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2
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Zhao H, Kumar P, Sobreira TJP, Smith M, Novick S, Johansson A, Luchniak A, Zhang A, Woollard KJ, Larsson N, Kawatkar A. Integrated Proteomics Characterization of NLRP3 Inflammasome Inhibitor MCC950 in Monocytic Cell Line Confirms Direct MCC950 Engagement with Endogenous NLRP3. ACS Chem Biol 2024; 19:962-972. [PMID: 38509779 DOI: 10.1021/acschembio.3c00777] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
Inhibition of the NLRP3 inflammasome is a promising strategy for the development of new treatments for inflammatory diseases. MCC950 is a potent and selective small-molecule inhibitor of the NLRP3 pathway and has been validated in numerous species and disease models. Although the capacity of MCC950 to block NLRP3 signaling is well-established, it is still critical to identify the mechanism of action and molecular targets of MCC950 to inform and derisk drug development. Quantitative proteomics performed in disease-relevant systems provides a powerful method to study both direct and indirect pharmacological responses to small molecules to elucidate the mechanism of action and confirm target engagement. A comprehensive target deconvolution campaign requires the use of complementary chemical biology techniques. Here we applied two orthogonal chemical biology techniques: compressed Cellular Thermal Shift Assay (CETSA) and photoaffinity labeling chemoproteomics, performed under biologically relevant conditions with LPS-primed THP-1 cells, thereby deconvoluting, for the first time, the molecular targets of MCC950 using chemical biology techniques. In-cell chemoproteomics with inlysate CETSA confirmed the suspected mechanism as the disruption of inflammasome formation via NLRP3. Further cCETSA (c indicates compressed) in live cells mapped the stabilization of NLRP3 inflammasome pathway proteins, highlighting modulation of the targeted pathway. This is the first evidence of direct MCC950 engagement with endogenous NLRP3 in a human macrophage cellular system using discovery proteomics chemical biology techniques, providing critical information for inflammasome studies.
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Affiliation(s)
- Heng Zhao
- Discovery Biology, Discovery Sciences, R&D, AstraZeneca, 02451 Waltham, Massachusetts, United States
| | - Praveen Kumar
- Quantitative Biology, Discovery Sciences, R&D, AstraZeneca, 02451 Waltham, Massachusetts, United States
| | | | - Mackenzie Smith
- Discovery Biology, Discovery Sciences, R&D, AstraZeneca, 02451 Waltham, Massachusetts, United States
| | - Steven Novick
- Quantitative Biology, Discovery Sciences, R&D, AstraZeneca, 02451 Waltham, Massachusetts, United States
| | - Anders Johansson
- Medicinal Chemistry, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, 43183 Mölndal, Sweden
| | - Anna Luchniak
- Mechanistic and Structural Biology, Discovery Sciences, R&D, AstraZeneca, Gothenburg, 43183 Mölndal, Sweden
| | - Andrew Zhang
- Discovery Biology, Discovery Sciences, R&D, AstraZeneca, 02451 Waltham, Massachusetts, United States
| | - Kevin J Woollard
- Bioscience Renal, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, CB2 OAA Cambridge, U.K
| | - Niklas Larsson
- Discovery Biology, Discovery Sciences, R&D, AstraZeneca, Gothenburg, 43183 Mölndal, Sweden
| | - Aarti Kawatkar
- Discovery Biology, Discovery Sciences, R&D, AstraZeneca, 02451 Waltham, Massachusetts, United States
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3
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Martinez B, Leroux YR, Hapiot P, Henry CS. Surface Modification of Thermoplastic Electrodes for Biosensing Applications via Copper-Catalyzed Click Chemistry. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37874977 DOI: 10.1021/acsami.3c10013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2023]
Abstract
Cu(I)-catalyzed 1,3-dipolar cycloaddition (CuAAC), also known as click chemistry, has been demonstrated to be highly robust while providing versatile surface chemistry. One specific application is biosensor fabrication. Recently, we developed thermoplastic electrodes (TPEs) as an alternative to traditional carbon composite electrodes in terms of cost, performance, and robustness. However, their applications in biosensing are currently limited due to a lack of facile methods for electrode modification. Here, we demonstrate the feasibility of using CuAAC following the diazonium grafting of TPEs to take advantage of two powerful technologies for developing a customizable and versatile biosensing platform. After a stepwise characterization of the electrode modification procedures was performed, electrodes were modified with model affinity reagents. Streptavidin and streptavidin-conjugated IgG antibodies were successfully immobilized on the TPE surface, as confirmed by electrochemical impedance spectroscopy and X-ray photoelectron spectroscopy.
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Affiliation(s)
- Brandaise Martinez
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523-1872, United States
| | - Yann R Leroux
- Univ Rennes, CNRS, ISCR - UMR 6226, F-35000 Rennes, France
| | | | - Charles S Henry
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523-1872, United States
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4
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Vaneev AN, Timoshenko RV, Gorelkin PV, Klyachko NL, Erofeev AS. Recent Advances in Nanopore Technology for Copper Detection and Their Potential Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13091573. [PMID: 37177118 PMCID: PMC10181076 DOI: 10.3390/nano13091573] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 05/04/2023] [Accepted: 05/06/2023] [Indexed: 05/15/2023]
Abstract
Recently, nanopore technology has emerged as a promising technique for the rapid, sensitive, and selective detection of various analytes. In particular, the use of nanopores for the detection of copper ions has attracted considerable attention due to their high sensitivity and selectivity. This review discusses the principles of nanopore technology and its advantages over conventional techniques for copper detection. It covers the different types of nanopores used for copper detection, including biological and synthetic nanopores, and the various mechanisms used to detect copper ions. Furthermore, this review provides an overview of the recent advancements in nanopore technology for copper detection, including the development of new nanopore materials, improvements in signal amplification, and the integration of nanopore technology with other analytical methods for enhanced detection sensitivity and accuracy. Finally, we summarize the extensive applications, current challenges, and future perspectives of using nanopore technology for copper detection, highlighting the need for further research in the field to optimize the performance and applicability of the technique.
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Affiliation(s)
- Alexander N Vaneev
- Chemistry Department, Lomonosov Moscow State University, 119991 Moscow, Russia
- Research Laboratory of Biophysics, National University of Science and Technology "MISIS", 119049 Moscow, Russia
| | - Roman V Timoshenko
- Research Laboratory of Biophysics, National University of Science and Technology "MISIS", 119049 Moscow, Russia
| | - Petr V Gorelkin
- Research Laboratory of Biophysics, National University of Science and Technology "MISIS", 119049 Moscow, Russia
| | - Natalia L Klyachko
- Chemistry Department, Lomonosov Moscow State University, 119991 Moscow, Russia
| | - Alexander S Erofeev
- Chemistry Department, Lomonosov Moscow State University, 119991 Moscow, Russia
- Research Laboratory of Biophysics, National University of Science and Technology "MISIS", 119049 Moscow, Russia
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5
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Fenoy GE, Hasler R, Lorenz C, Movilli J, Marmisollé WA, Azzaroni O, Huskens J, Bäuerle P, Knoll W. Interface Engineering of "Clickable" Organic Electrochemical Transistors toward Biosensing Devices. ACS APPLIED MATERIALS & INTERFACES 2023; 15:10885-10896. [PMID: 36791086 PMCID: PMC9982818 DOI: 10.1021/acsami.2c21493] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 01/30/2023] [Indexed: 06/18/2023]
Abstract
"Clickable" organic electrochemical transistors (OECTs) allow the reliable and straightforward functionalization of electronic devices through the well-known click chemistry toolbox. In this work, we study various aspects of the click chemistry-based interface engineering of "clickable" OECTs. First, different channel architectures are investigated, showing that PEDOT-N3 films can properly work as a channel of the transistors. Furthermore, the Cu(I)-catalyzed click reaction of ethynyl-ferrocene is studied under different reaction conditions, endowing the spatial control of the functionalization. The strain-promoted and catalyst-free cycloaddition of a dibenzocyclooctyne-derivatized poly-l-lysine (PLL-DBCO) is also performed on the OECTs and validated by a fiber optic (FO)-SPR setup. The further immobilization of an azido-modified HD22 aptamer yields OECT-based biosensors that are employed for the recognition of thrombin. Finally, their performance is evaluated against previously reported architectures, showing higher density of the immobilized HD22 aptamer, and originating similar KD values and higher maximum signal change upon analyte recognition.
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Affiliation(s)
- Gonzalo E. Fenoy
- AIT
Austrian Institute of Technology GmbH, Konrad-Lorenz Strasse 24, 3430 Tulln an der Donau, Austria
- Instituto
de Investigaciones Fisicoquímicas Teóricas y Aplicadas
(INIFTA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP)—CONICET, 64 and 113, 1900 La Plata, Argentina
| | - Roger Hasler
- AIT
Austrian Institute of Technology GmbH, Konrad-Lorenz Strasse 24, 3430 Tulln an der Donau, Austria
| | - Christoph Lorenz
- Institute
for Organic Chemistry II and Advanced Materials, University of Ulm, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - Jacopo Movilli
- Department
of Molecules & Materials, MESA+ Institute, Faculty of Science
and Technology, University of Twente, P.O. Box 217, AE 7500 Enschede, The Netherlands
| | - Waldemar A. Marmisollé
- Instituto
de Investigaciones Fisicoquímicas Teóricas y Aplicadas
(INIFTA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP)—CONICET, 64 and 113, 1900 La Plata, Argentina
| | - Omar Azzaroni
- Instituto
de Investigaciones Fisicoquímicas Teóricas y Aplicadas
(INIFTA), Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata (UNLP)—CONICET, 64 and 113, 1900 La Plata, Argentina
- CEST-UNLP
Partner Lab for Bioelectronics (INIFTA), Diagonal 64 y 113, 1900 La Plata, Argentina
| | - Jurriaan Huskens
- Department
of Molecules & Materials, MESA+ Institute, Faculty of Science
and Technology, University of Twente, P.O. Box 217, AE 7500 Enschede, The Netherlands
| | - Peter Bäuerle
- Institute
for Organic Chemistry II and Advanced Materials, University of Ulm, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - Wolfgang Knoll
- AIT
Austrian Institute of Technology GmbH, Konrad-Lorenz Strasse 24, 3430 Tulln an der Donau, Austria
- Danube
Private
University, Steiner Landstrasse
124, 3500 Krems, Austria
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6
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Fenoy GE, Hasler R, Quartinello F, Marmisollé WA, Lorenz C, Azzaroni O, Bäuerle P, Knoll W. "Clickable" Organic Electrochemical Transistors. JACS AU 2022; 2:2778-2790. [PMID: 36590273 PMCID: PMC9795466 DOI: 10.1021/jacsau.2c00515] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 11/03/2022] [Accepted: 11/04/2022] [Indexed: 06/17/2023]
Abstract
Interfacing the surface of an organic semiconductor with biological elements is a central quest when it comes to the development of efficient organic bioelectronic devices. Here, we present the first example of "clickable" organic electrochemical transistors (OECTs). The synthesis and characterization of an azide-derivatized EDOT monomer (azidomethyl-EDOT, EDOT-N3) are reported, as well as its deposition on Au-interdigitated electrodes through electropolymerization to yield PEDOT-N3-OECTs. The electropolymerization protocol allows for a straightforward and reliable tuning of the characteristics of the OECTs, yielding transistors with lower threshold voltages than PEDOT-based state-of-the-art devices and maximum transconductance voltage values close to 0 V, a key feature for the development of efficient organic bioelectronic devices. Subsequently, the azide moieties are employed to click alkyne-bearing molecules such as redox probes and biorecognition elements. The clicking of an alkyne-modified PEG4-biotin allows for the use of the avidin-biotin interactions to efficiently generate bioconstructs with proteins and enzymes. In addition, a dibenzocyclooctyne-modified thrombin-specific HD22 aptamer is clicked on the PEDOT-N3-OECTs, showing the application of the devices toward the development of organic transistors-based biosensors. Finally, the clicked OECTs preserve their electronic features after the different clicking procedures, demonstrating the stability and robustness of the fabricated transistors.
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Affiliation(s)
- Gonzalo E. Fenoy
- AIT
Austrian Institute of Technology GmbH, Konrad-Lorenz Straße 24, 3430 Tulln an der Donau, Austria
- Instituto
de Investigaciones Fisicoquímicas Teóricas y Aplicadas,
Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata − CONICET, 64 and 113, 1900 La Plata, Argentina
| | - Roger Hasler
- AIT
Austrian Institute of Technology GmbH, Konrad-Lorenz Straße 24, 3430 Tulln an der Donau, Austria
| | - Felice Quartinello
- Department
of Agrobiotechnology, IFA-Tulln, Institute
of Environmental Biotechnology, Konrad-Lorenz-Straße 20, 3430 Tulln an der Donau, Austria
| | - Waldemar A. Marmisollé
- Instituto
de Investigaciones Fisicoquímicas Teóricas y Aplicadas,
Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata − CONICET, 64 and 113, 1900 La Plata, Argentina
| | - Christoph Lorenz
- Institute
for Organic Chemistry II and Advanced Materials, University of Ulm, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - Omar Azzaroni
- Instituto
de Investigaciones Fisicoquímicas Teóricas y Aplicadas,
Departamento de Química, Facultad de Ciencias Exactas, Universidad Nacional de La Plata − CONICET, 64 and 113, 1900 La Plata, Argentina
| | - Peter Bäuerle
- Institute
for Organic Chemistry II and Advanced Materials, University of Ulm, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - Wolfgang Knoll
- AIT
Austrian Institute of Technology GmbH, Konrad-Lorenz Straße 24, 3430 Tulln an der Donau, Austria
- Department
of Scientific Coordination and Management, Danube Private University, 3500 Krems, Austria
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7
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Svalova TS, Medvedeva MV, Kozitsina AN. A “Clickable” Electrodeposited Polymer Films Based on 3‐Ethynylthiophene for the Covalent Immobilization of Proteins. Application to a Label‐free Electrochemical Immunosensor for Escherichia Coli and Staphylococcus Aureus Determination. ELECTROANAL 2021. [DOI: 10.1002/elan.202100320] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- T. S. Svalova
- Institute of Chemical Technology Ural Federal University Yekaterinburg 620002 Russian Federation
| | - M. V. Medvedeva
- Institute of Chemical Technology Ural Federal University Yekaterinburg 620002 Russian Federation
| | - A. N. Kozitsina
- Institute of Chemical Technology Ural Federal University Yekaterinburg 620002 Russian Federation
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8
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Thangarasu AK, Yadhukrishnan VO, Krishnakumar KA, Varma SS, Lankalapalli RS. Cu(I)-azidopyrrolo[3,2- d]pyrimidine Catalyzed Glaser-Hay Reaction under Mild Conditions. ACS ORGANIC & INORGANIC AU 2021; 2:3-7. [PMID: 36855403 PMCID: PMC9954286 DOI: 10.1021/acsorginorgau.1c00015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The limitation of the CuAAC "click" reaction with a 2-azidopyridine substrate, owing to its equilibrium with a tetrazole isomer, is exploited herein for its utility in the Glaser-Hay reaction. A catalytic combination of a 2-azidopyridine analogue, 4-azido-5H-pyrrolo[3,2-d]pyrimidine, and CuI afforded homocoupled products of terminal alkynes, without any trace of triazole product, under mild conditions with a broad substrate scope. Emphasis on carbohydrate-based substrates appended to a propargylic group led to 1,3-diynes in good to excellent yields.
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Affiliation(s)
- Arun K. Thangarasu
- Chemical
Sciences and Technology Division, CSIR-National
Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695019, India,Academy
of Scientific & Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Velickakathu O. Yadhukrishnan
- Chemical
Sciences and Technology Division, CSIR-National
Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695019, India
| | - K. A. Krishnakumar
- Chemical
Sciences and Technology Division, CSIR-National
Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695019, India,Academy
of Scientific & Innovative Research (AcSIR), Ghaziabad-201002, India
| | - Sanjay Suresh Varma
- Chemical
Sciences and Technology Division, CSIR-National
Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695019, India
| | - Ravi S. Lankalapalli
- Chemical
Sciences and Technology Division, CSIR-National
Institute for Interdisciplinary Science and Technology, Thiruvananthapuram 695019, India,Academy
of Scientific & Innovative Research (AcSIR), Ghaziabad-201002, India,
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9
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Svalova TS, Zaidullina RA, Malysheva NN, Saraeva SY, Matern AI, Kozitsina AN. Effect of the Mutual Arrangement of Substituents in an Aminobenzoic Acid Molecule on the Analytical Performance of a Label-Free Electrochemical Immunosensor with a Covalent-Immobilized Receptor Layer. JOURNAL OF ANALYTICAL CHEMISTRY 2021. [DOI: 10.1134/s106193482102012x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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10
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Click Chemistry Enabling Covalent and Non-Covalent Modifications of Graphene with (Poly)saccharides. Polymers (Basel) 2020; 13:polym13010142. [PMID: 33396365 PMCID: PMC7795121 DOI: 10.3390/polym13010142] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2020] [Revised: 12/05/2020] [Accepted: 12/28/2020] [Indexed: 12/22/2022] Open
Abstract
Graphene is a material with outstanding properties and numerous potential applications in a wide range of research and technology areas, spanning from electronics, energy materials, sensors, and actuators to life-science and many more. However, the insolubility and poor dispersibility of graphene are two major problems hampering its use in certain applications. Tethering mono-, di-, or even poly-saccharides on graphene through click-chemistry is gaining more and more attention as a key modification approach leading to new graphene-based materials (GBM) with improved hydrophilicity and substantial dispersibility in polar solvents, e.g., water. The attachment of (poly)saccharides on graphene further renders the final GBMs biocompatible and could open new routes to novel biomedical and environmental applications. In this review, recent modifications of graphene and other carbon rich materials (CRMs) through click chemistry are reviewed.
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11
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Revisiting Electrochemical Biosensing in the 21st Century Society for Inflammatory Cytokines Involved in Autoimmune, Neurodegenerative, Cardiac, Viral and Cancer Diseases. SENSORS 2020; 21:s21010189. [PMID: 33396710 PMCID: PMC7795835 DOI: 10.3390/s21010189] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 12/26/2020] [Accepted: 12/28/2020] [Indexed: 12/11/2022]
Abstract
The multifaceted key roles of cytokines in immunity and inflammatory processes have led to a high clinical interest for the determination of these biomolecules to be used as a tool in the diagnosis, prognosis, monitoring and treatment of several diseases of great current relevance (autoimmune, neurodegenerative, cardiac, viral and cancer diseases, hypercholesterolemia and diabetes). Therefore, the rapid and accurate determination of cytokine biomarkers in body fluids, cells and tissues has attracted considerable attention. However, many currently available techniques used for this purpose, although sensitive and selective, require expensive equipment and advanced human skills and do not meet the demands of today’s clinic in terms of test time, simplicity and point-of-care applicability. In the course of ongoing pursuit of new analytical methodologies, electrochemical biosensing is steadily gaining ground as a strategy suitable to develop simple, low-cost methods, with the ability for multiplexed and multiomics determinations in a short time and requiring a small amount of sample. This review article puts forward electrochemical biosensing methods reported in the last five years for the determination of cytokines, summarizes recent developments and trends through a comprehensive discussion of selected strategies, and highlights the challenges to solve in this field. Considering the key role demonstrated in the last years by different materials (with nano or micrometric size and with or without magnetic properties), in the design of analytical performance-enhanced electrochemical biosensing strategies, special attention is paid to the methods exploiting these approaches.
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12
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Improving the Voltammetric Determination of Hg(II): A Comparison Between Ligand-Modified Glassy Carbon and Electrochemically Reduced Graphene Oxide Electrodes. SENSORS 2020; 20:s20236799. [PMID: 33260790 PMCID: PMC7729478 DOI: 10.3390/s20236799] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 11/22/2020] [Accepted: 11/26/2020] [Indexed: 12/20/2022]
Abstract
A new thiosemicarbazone ligand was immobilized through a Cu(I)-catalyzed click reaction on the surface of glassy carbon (GC) and electrochemically reduced graphene oxide (GC-ERGO) electrodes grafted with phenylethynyl groups. Using the accumulation at open circuit followed by anodic stripping voltammetry, the modified electrodes showed a significant selectivity and sensibility for Hg(II) ions. A detection limit of 7 nM was achieved with the GC modified electrodes. Remarkably, GC-ERGO modified electrodes showed a significantly improved detection limit (0.8 nM), sensitivity, and linear range, which we attribute to an increased number of surface binding sites and better electron transfer properties. Both GC and GC-ERGO modified electrodes proved their applicability for the analysis of real water samples.
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13
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Guerrero S, Agüí L, Yáñez-Sedeño P, Pingarrón J. Design of electrochemical immunosensors using electro-click chemistry. Application to the detection of IL-1β cytokine in saliva. Bioelectrochemistry 2020; 133:107484. [DOI: 10.1016/j.bioelechem.2020.107484] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Revised: 02/13/2020] [Accepted: 02/13/2020] [Indexed: 12/16/2022]
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14
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Hetemi D, Noël V, Pinson J. Grafting of Diazonium Salts on Surfaces: Application to Biosensors. BIOSENSORS-BASEL 2020; 10:bios10010004. [PMID: 31952195 PMCID: PMC7168266 DOI: 10.3390/bios10010004] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Revised: 01/07/2020] [Accepted: 01/09/2020] [Indexed: 01/31/2023]
Abstract
This review is divided into two parts; the first one summarizes the main features of surface modification by diazonium salts with a focus on most recent advances, while the second part deals with diazonium-based biosensors including small molecules of biological interest, proteins, and nucleic acids.
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Affiliation(s)
- Dardan Hetemi
- Pharmacy Department, Medical Faculty, University of Prishtina, “Hasan Prishtina”, Rr. “Dëshmorët e Kombit” p.n., 10000 Prishtina, Kosovo;
| | - Vincent Noël
- Université de Paris, ITODYS, CNRS, UMR 7086, 15 rue J-A de Baïf, F-75013 Paris, France;
| | - Jean Pinson
- Université de Paris, ITODYS, CNRS, UMR 7086, 15 rue J-A de Baïf, F-75013 Paris, France;
- Correspondence:
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Eddahmi M, Moura NMM, Bouissane L, Amiri O, Faustino MAF, Cavaleiro JAS, Mendes RF, Paz FAA, Neves MGPMS, Rakib EM. A Suitable Functionalization of Nitroindazoles with Triazolyl and Pyrazolyl Moieties via Cycloaddition Reactions. Molecules 2019; 25:E126. [PMID: 31905680 PMCID: PMC6983193 DOI: 10.3390/molecules25010126] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Revised: 12/16/2019] [Accepted: 12/26/2019] [Indexed: 11/16/2022] Open
Abstract
The alkylation of a series of nitroindazole derivatives with 1,2-dibromoethane afforded the corresponding N-(2-bromoethyl)- and N-vinyl-nitro-1H-indazoles. The Cu(I)-catalysed azide- alkyne 1,3-dipolar cycloaddition was selected to substitute the nitroindazole core with 1,4-disubstituted triazole units after converting one of the N-(2-bromoethyl)nitroindazoles into the corresponding azide. The reactivity in 1,3-dipolar cycloaddition reactions with nitrile imines generated in situ from ethyl hydrazono-α-bromoglyoxylates was studied with nitroindazoles bearing a vinyl unit. The corresponding nitroindazole-pyrazoline derivatives were obtained in good to excellent yields.
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Affiliation(s)
- Mohammed Eddahmi
- Laboratory of Organic and Analytic Chemistry, Faculty of Sciences and Technics, Sultan Moulay Slimane University, BP 523, 2300 Beni-Mellal, Morocco; (M.E.); (L.B.); (O.A.)
- QOPNA & LAQV-REQUIMTE, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal; (M.A.F.F.); (J.A.S.C.)
| | - Nuno M. M. Moura
- QOPNA & LAQV-REQUIMTE, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal; (M.A.F.F.); (J.A.S.C.)
| | - Latifa Bouissane
- Laboratory of Organic and Analytic Chemistry, Faculty of Sciences and Technics, Sultan Moulay Slimane University, BP 523, 2300 Beni-Mellal, Morocco; (M.E.); (L.B.); (O.A.)
| | - Ouafa Amiri
- Laboratory of Organic and Analytic Chemistry, Faculty of Sciences and Technics, Sultan Moulay Slimane University, BP 523, 2300 Beni-Mellal, Morocco; (M.E.); (L.B.); (O.A.)
| | - M. Amparo F. Faustino
- QOPNA & LAQV-REQUIMTE, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal; (M.A.F.F.); (J.A.S.C.)
| | - José A. S. Cavaleiro
- QOPNA & LAQV-REQUIMTE, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal; (M.A.F.F.); (J.A.S.C.)
| | - Ricardo F. Mendes
- CICECO - Aveiro Institute of Materials, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal; (R.F.M.); (F.A.A.P.)
| | - Filipe A. A. Paz
- CICECO - Aveiro Institute of Materials, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal; (R.F.M.); (F.A.A.P.)
| | - Maria G. P. M. S. Neves
- QOPNA & LAQV-REQUIMTE, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal; (M.A.F.F.); (J.A.S.C.)
| | - El Mostapha Rakib
- QOPNA & LAQV-REQUIMTE, Chemistry Department, University of Aveiro, 3810-193 Aveiro, Portugal; (M.A.F.F.); (J.A.S.C.)
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