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Mariappan SA, Manickam P. Electro-responsive Molecularly Imprinted Polymers (E-MIPs) for Rapid Detection of Progesterone in Human Serum Samples. Anal Chem 2024. [PMID: 39268840 DOI: 10.1021/acs.analchem.4c02417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/15/2024]
Abstract
Rapid and reagent-free detection of progesterone (P4) is crucial in point-of-care (POC) measurement due to its important role in the human endocrine and central nervous system. Currently available technologies for P4 detection are often not rapid or require reagents, limiting their use in POC settings. In this work, a self-signaling electrochemical sensing platform for rapid detection of P4 is developed by using electroactive molecularly imprinted polymers (E-MIPs). E-MIPs possess the ability to transduce the molecular recognition event into a measurable electrochemical signal. The E-MIPs are prepared by bulk copolymerization of acrylic acid (AA) and ferrocenylmethyl methacrylate (FcMA) in the presence of P4 followed by its removal from the polymer matrix. By incorporation of ferrocene moieties, the MIP gains intrinsic electroactivity, enabling label-free and direct electrochemical detection of P4 levels. Electrochemical techniques, including cyclic voltammetry and electrochemical impedance spectroscopy, were employed to elucidate the electron transport reaction responsible for the MIP's intrinsic electroactivity. Additionally, the predetermined complementary binding sites confined to the small working area of the screen-printed carbon electrode (SPCE) within the E-MIP matrix facilitate rapid P4 binding, achieving completion within 120 s. The developed E-MIP sensing platform was used for the rapid detection of P4 levels in human serum samples. The short incubation times reported for the E-MIP sensing platform would be beneficial in minimizing the nonspecific binding in the real-world samples. We believe that the proposed E-MIP sensing platform can be applied to clinical samples for detecting fluctuations in P4 levels.
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Affiliation(s)
- Siva Ananth Mariappan
- Electrodics and Electrocatalysis Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
| | - Pandiaraj Manickam
- Electrodics and Electrocatalysis Division, CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, India
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2
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Uzokboev S, Akhmadbekov K, Nuritdinova R, Tawfik SM, Lee YI. Unveiling the potential of alginate-based nanomaterials in sensing technology and smart delivery applications. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2024; 15:1077-1104. [PMID: 39188756 PMCID: PMC11346306 DOI: 10.3762/bjnano.15.88] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2024] [Accepted: 08/07/2024] [Indexed: 08/28/2024]
Abstract
Sensors are applied to many fields nowadays because of their high sensitivity, low cost, time-saving, user-friendly, and excellent selectivity. Current biomedical and pharmaceutical science has one focus on developing nanoparticle-based sensors, especially biopolymeric nanoparticles. Alginate is a widely used biopolymer in a variety of applications. The hydrogel-forming characteristic, the chemical structure with hydroxy and carboxylate moieties, biocompatibility, biodegradability, and water solubility of alginate have expanded opportunities in material and biomedical sciences. Recently, research on alginate-based nanoparticles and their applications has begun. These materials are gaining popularity because of their wide usage potential in the biomedical and pharmaceutical fields. Many review papers describe applications of alginate in the drug delivery field. The current study covers the structural and physicochemical properties of alginate-based nanoparticles. The prospective applications of alginate-based nanomaterials in various domains are discussed, including drug delivery and environmental sensing applications for humidity, heavy metals, and hydrogen peroxide. Moreover, biomedical sensing applications of alginate-based nanoparticles regarding various analytes such as glucose, cancer cells, pharmaceutical drugs, and human motion will also be reviewed in this paper. Future research scopes highlight existing challenges and solutions.
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Affiliation(s)
- Shakhzodjon Uzokboev
- Department of Pharmaceutical Sciences, Pharmaceutical Technical University, Tashkent 100084, Republic of Uzbekistan
| | - Khojimukhammad Akhmadbekov
- Department of Pharmaceutical Sciences, Pharmaceutical Technical University, Tashkent 100084, Republic of Uzbekistan
| | - Ra’no Nuritdinova
- Department of Pharmaceutical Sciences, Pharmaceutical Technical University, Tashkent 100084, Republic of Uzbekistan
| | - Salah M Tawfik
- Department of Petrochemicals, Egyptian Petroleum Research Institute (EPRI), Nasr City, Cairo 11727, Egypt
| | - Yong-Ill Lee
- Department of Pharmaceutical Sciences, Pharmaceutical Technical University, Tashkent 100084, Republic of Uzbekistan
- Anastro Laboratory, Institute of Basic Science, Changwon National University, Changwon 51140, Republic of Korea
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3
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Gettler RC, Mehregan S, Koenig HD, Kaess AM, Young MJ. Nonequilibrium Anion Detection in Solid-Contact Ion-Selective Electrodes. ACS OMEGA 2024; 9:16443-16457. [PMID: 38617695 PMCID: PMC11007695 DOI: 10.1021/acsomega.4c00131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 03/08/2024] [Accepted: 03/15/2024] [Indexed: 04/16/2024]
Abstract
Low-cost and portable nitrate and phosphate sensors are needed to improve farming efficiency and reduce environmental and economic impact arising from the release of these nutrients into waterways. Ion selective electrodes (ISEs) could provide a convenient platform for detecting nitrate and phosphate, but existing ionophore-based nitrate and phosphate selective membrane layers used in ISEs are high cost, and ISEs using these membrane layers suffer from long equilibration time, reference potential drift, and poor selectivity. In this work, we demonstrate that constant current operation overcomes these shortcomings for ionophore-based anion-selective ISEs through a qualitatively different response mechanism arising from differences in ion mobility rather than differences in ion binding thermodynamics. We develop a theoretical treatment of phase boundary potential and ion diffusion that allows for quantitative prediction of electrode response under applied current. We also demonstrate that under pulsed current operation, we can create functional solid-contact ISEs using lower-cost molecularly imprinted polymers (MIPs). MIP-based nitrate sensors provide comparable selectivity against chloride to costlier ionophore-based sensors and exhibit >100,000 times higher selectivity against perchlorate. Likewise, MIP-based solid contact ion-selective electrode phosphate sensors operated under pulsed current provide competitive selectivity against chloride, nitrate, perchlorate, and carbonate anions. The theoretical treatment and conceptual demonstration of pulsed-current ISE operation we report will inform the development of new materials for membrane layers in ISEs based on differences in ion mobility and will allow for improved ISE sensor designs.
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Affiliation(s)
- Ryan C. Gettler
- Chemical
and Biomedical Engineering, University of
Missouri, Columbia, Missouri 65211, United States
| | - Shima Mehregan
- Department
of Chemistry, University of Missouri, Columbia, Missouri 65211, United States
| | - Henry D. Koenig
- Department
of Chemistry, University of Missouri, Columbia, Missouri 65211, United States
| | - Andie M. Kaess
- Chemical
and Biomedical Engineering, University of
Missouri, Columbia, Missouri 65211, United States
| | - Matthias J. Young
- Chemical
and Biomedical Engineering, University of
Missouri, Columbia, Missouri 65211, United States
- Department
of Chemistry, University of Missouri, Columbia, Missouri 65211, United States
- Materials
Science and Engineering Institute, University
of Missouri, Columbia, Missouri 65211, United States
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4
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Clément P, Schlage WK, Hoeng J. Recent advances in the development of portable technologies and commercial products to detect Δ 9-tetrahydrocannabinol in biofluids: a systematic review. J Cannabis Res 2024; 6:9. [PMID: 38414071 PMCID: PMC10898188 DOI: 10.1186/s42238-024-00216-0] [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: 10/27/2023] [Accepted: 01/31/2024] [Indexed: 02/29/2024] Open
Abstract
BACKGROUND The primary components driving the current commercial fascination with cannabis products are phytocannabinoids, a diverse group of over 100 lipophilic secondary metabolites derived from the cannabis plant. Although numerous phytocannabinoids exhibit pharmacological effects, the foremost attention has been directed towards Δ9-tetrahydrocannabinol (THC) and cannabidiol, the two most abundant phytocannabinoids, for their potential human applications. Despite their structural similarity, THC and cannabidiol diverge in terms of their psychotropic effects, with THC inducing notable psychological alterations. There is a clear need for accurate and rapid THC measurement methods that offer dependable, readily accessible, and cost-effective analytical information. This review presents a comprehensive view of the present state of alternative technologies that could potentially facilitate the creation of portable devices suitable for on-site usage or as personal monitors, enabling non-intrusive THC measurements. METHOD A literature survey from 2017 to 2023 on the development of portable technologies and commercial products to detect THC in biofluids was performed using electronic databases such as PubMed, Scopus, and Google Scholar. A systematic review of available literature was conducted using Preferred Reporting Items for Systematic. Reviews and Meta-analysis (PRISMA) guidelines. RESULTS Eighty-nine studies met the selection criteria. Fifty-seven peer-reviewed studies were related to the detection of THC by conventional separation techniques used in analytical laboratories that are still considered the gold standard. Studies using optical (n = 12) and electrochemical (n = 13) portable sensors and biosensors were also identified as well as commercially available devices (n = 7). DISCUSSION The landscape of THC detection technology is predominantly shaped by immunoassay tests, owing to their established reliability. However, these methods have distinct drawbacks, particularly for quantitative analysis. Electrochemical sensing technology holds great potential to overcome the challenges of quantification and present a multitude of advantages, encompassing the possibility of miniaturization and diverse modifications to amplify sensitivity and selectivity. Nevertheless, these sensors have considerable limitations, including non-specific interactions and the potential interference of compounds and substances existing in biofluids. CONCLUSION The foremost challenge in THC detection involves creating electrochemical sensors that are both stable and long-lasting while exhibiting exceptional selectivity, minimal non-specific interactions, and decreased susceptibility to matrix interferences. These aspects need to be resolved before these sensors can be successfully introduced to the market.
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Affiliation(s)
- Pierrick Clément
- Centre Suisse d'Electronique Et de Microtechnique SA (CSEM), Rue Jaquet-Droz 1, 2002, Neuchâtel, Switzerland.
| | - Walter K Schlage
- Biology Consultant, Max-Baermann-Strasse 21, 51429, Bergisch Gladbach, Germany
| | - Julia Hoeng
- Biology Consultant, Max-Baermann-Strasse 21, 51429, Bergisch Gladbach, Germany
- Vectura Fertin Pharma, C/O Jagotec AG, Messeplatz 10, 4058, Basel, Switzerland
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5
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Silva AT, Figueiredo R, Azenha M, Jorge PA, Pereira CM, Ribeiro JA. Imprinted Hydrogel Nanoparticles for Protein Biosensing: A Review. ACS Sens 2023; 8:2898-2920. [PMID: 37556357 PMCID: PMC10463276 DOI: 10.1021/acssensors.3c01010] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 07/31/2023] [Indexed: 08/11/2023]
Abstract
Over the past decade, molecular imprinting (MI) technology has made tremendous progress, and the advancements in nanotechnology have been the major driving force behind the improvement of MI technology. The preparation of nanoscale imprinted materials, i.e., molecularly imprinted polymer nanoparticles (MIP NPs, also commonly called nanoMIPs), opened new horizons in terms of practical applications, including in the field of sensors. Currently, hydrogels are very promising for applications in bioanalytical assays and sensors due to their high biocompatibility and possibility to tune chemical composition, size (microgels, nanogels, etc.), and format (nanostructures, MIP film, fibers, etc.) to prepare optimized analyte-responsive imprinted materials. This review aims to highlight the recent progress on the use of hydrogel MIP NPs for biosensing purposes over the past decade, mainly focusing on their incorporation on sensing devices for detection of a fundamental class of biomolecules, the peptides and proteins. The review begins by directing its focus on the ability of MIPs to replace biological antibodies in (bio)analytical assays and highlight their great potential to face the current demands of chemical sensing in several fields, such as disease diagnosis, food safety, environmental monitoring, among others. After that, we address the general advantages of nanosized MIPs over macro/micro-MIP materials, such as higher affinity toward target analytes and improved binding kinetics. Then, we provide a general overview on hydrogel properties and their great advantages for applications in the field of Sensors, followed by a brief description on current popular routes for synthesis of imprinted hydrogel nanospheres targeting large biomolecules, namely precipitation polymerization and solid-phase synthesis, along with fruitful combination with epitope imprinting as reliable approaches for developing optimized protein-imprinted materials. In the second part of the review, we have provided the state of the art on the application of MIP nanogels for screening macromolecules with sensors having different transduction modes (optical, electrochemical, thermal, etc.) and design formats for single use, reusable, continuous monitoring, and even multiple analyte detection in specialized laboratories or in situ using mobile technology. Finally, we explore aspects about the development of this technology and its applications and discuss areas of future growth.
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Affiliation(s)
- Ana T. Silva
- CIQUP/IMS,
Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Rua do Campo Alegre 687, s/n, Porto 4169-007, Portugal
| | - Rui Figueiredo
- CIQUP/IMS,
Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Rua do Campo Alegre 687, s/n, Porto 4169-007, Portugal
| | - Manuel Azenha
- CIQUP/IMS,
Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Rua do Campo Alegre 687, s/n, Porto 4169-007, Portugal
| | - Pedro A.S. Jorge
- INESC
TEC−Institute for Systems and Computer Engineering, Technology
and Science, Faculty of Sciences, University
of Porto, 4169-007 Porto, Portugal
- Department
of Physics and Astronomy, Faculty of Sciences, University of Porto, Rua do Campo Alegre 687, s/n, Porto 4169-007, Portugal
| | - Carlos M. Pereira
- CIQUP/IMS,
Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Rua do Campo Alegre 687, s/n, Porto 4169-007, Portugal
| | - José A. Ribeiro
- CIQUP/IMS,
Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Rua do Campo Alegre 687, s/n, Porto 4169-007, Portugal
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6
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Piletska E, Veron P, Bertin B, Mingozzi F, Jones D, Norman RL, Earley J, Karim K, Garcia-Cruz A, Piletsky S. Analysis of Adeno-Associated Virus Serotype 8 (AAV8)-antibody complexes using epitope mapping by molecular imprinting leads to the identification of Fab peptides that potentially evade AAV8 neutralisation. NANOMEDICINE : NANOTECHNOLOGY, BIOLOGY, AND MEDICINE 2023; 52:102691. [PMID: 37329939 DOI: 10.1016/j.nano.2023.102691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 05/17/2023] [Accepted: 05/22/2023] [Indexed: 06/19/2023]
Abstract
Gene therapy is a promising approach for treating genetic disorders by delivering therapeutic genes to replace or correct malfunctioning genes. However, the introduced gene therapy vector can trigger an immune response, leading to reduced efficacy and potential harm to the patient. To improve the efficiency and safety of gene therapy, preventing the immune response to the vector is crucial. This can be achieved through the use of immunosuppressive drugs, vector engineering to evade the immune system, or delivery methods that bypass the immune system altogether. By reducing the immune response, gene therapy can deliver therapeutic genes more effectively and potentially cure genetic diseases. In this study, a novel molecular imprinting technique, combined with mass-spectrometry and bioinformatics, was used to identify four antigen-binding fragments (Fab) sequences of Adeno-Associated Virus (AAV) - neutralising antibodies capable of binding to AAV. The identified Fab peptides were shown to prevent AAV8's binding to antibodies, demonstrating their potential to improve gene therapy efficiency by preventing the immune response.
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Affiliation(s)
- Elena Piletska
- School of Chemistry, University of Leicester, LE1 7RH, UK.
| | - Philippe Veron
- Laboratory of Immunology, Genethon, 91002 Evry Cedex, France
| | | | | | - Donald Jones
- Department of Cardiovascular Sciences and NIHR Leicester Cardiovascular Biomedical Research Unit, Glenfield Hospital, Leicester LE3 9QP, UK; Department of Cancer Studies, University of Leicester, Leicester LE2 7LX, UK
| | - Rachel L Norman
- Cancer Research Centre, RKCSB, University of Leicester, Leicester LE1 7RH, UK; Van Geest MS Omics Facility, University of Leicester, Leicester LE1 9HN, UK
| | - Joseph Earley
- School of Chemistry, University of Leicester, LE1 7RH, UK
| | - Kal Karim
- School of Chemistry, University of Leicester, LE1 7RH, UK
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7
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Lach P, Garcia-Cruz A, Canfarotta F, Groves A, Kalecki J, Korol D, Borowicz P, Nikiforow K, Cieplak M, Kutner W, Piletsky SA, Sharma PS. Electroactive molecularly imprinted polymer nanoparticles for selective glyphosate determination. Biosens Bioelectron 2023; 236:115381. [PMID: 37267687 DOI: 10.1016/j.bios.2023.115381] [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: 02/01/2023] [Revised: 04/21/2023] [Accepted: 05/05/2023] [Indexed: 06/04/2023]
Abstract
Redox-active molecularly imprinted polymer nanoparticles selective for glyphosate, MIP-Gly NPs, were devised, synthesized, and subsequently integrated onto platinum screen-printed electrodes (Pt-SPEs) to fabricate a chemosensor for selective determination of glyphosate (Gly) without the need for redox probe in the test solution. That was because, ferrocenylmethyl methacrylate was added to the polymerization mixtures during the NPs synthesis so that the resulting MIP-Gly NPs contained covalently immobilized ferrocenyl moieties as the reporting redox ingredient, conferring these NPs with electroactive properties. MIP-Gly NPs of four different compositions were evaluated. The herein described approach represents a simple and effective way to endow MIP NPs with electrochemical reporting capabilities with neither the need to functionalize them post-synthesis nor to use electrochemical mediators present in the tested solution during the analyte determinations. MIP-Gly NPs synthesized using allylamine and squaramide-based monomers appeared most selective to Gly. The Pt-SPEs modified with MIP-Gly NPs were characterized with differential pulse voltammetry (DPV) and electrochemical impedance spectroscopy (EIS). Changes in the DPV peak originating from the oxidation of the ferrocenyl moieties in these MIP-Gly NPs served as the analytical signal. The DPV limit of detection and the linear dynamic concentration range for Gly were 3.7 pM and 25 pM-500 pM, respectively. Moreover, the selectivity of the fabricated chemosensors was sufficiently high to determine Gly successfully in spiked river water samples.
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Affiliation(s)
- Patrycja Lach
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland
| | - Alvaro Garcia-Cruz
- Chemistry Department, College of Science and Engineering, University of Leicester, LE1 7RH, United Kingdom
| | | | - Alistair Groves
- MIP Discovery, Colworth Science Park, MK44 1LQ, United Kingdom
| | - Jakub Kalecki
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland
| | - Dominik Korol
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland
| | - Pawel Borowicz
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland
| | - Kostiantyn Nikiforow
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland
| | - Maciej Cieplak
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland.
| | - Wlodzimierz Kutner
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland; Faculty of Mathematics and Natural Sciences. School of Sciences, Cardinal Stefan Wyszynski University in Warsaw, Wóycickiego 1/3, 01-938, Warsaw, Poland.
| | - Sergey A Piletsky
- Chemistry Department, College of Science and Engineering, University of Leicester, LE1 7RH, United Kingdom.
| | - Piyush Sindhu Sharma
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224, Warsaw, Poland
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8
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Integration of smart nanomaterials for highly selective disposable sensors and their forensic applications in amphetamine determination. Electrochim Acta 2023. [DOI: 10.1016/j.electacta.2023.142009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
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9
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Electrochemistry combined-surface plasmon resonance biosensors: A review. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116766] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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10
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Bossard B, Grothe RA, Martins AB, Lobato A, Tasić N, Paixão TRLC, Gonçalves LM. Nanographene laser-pyrolyzed paper electrodes for the impedimetric detection of d-glucose via a molecularly imprinted polymer. MONATSHEFTE FUR CHEMIE 2022. [DOI: 10.1007/s00706-022-02997-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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11
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Mazzotta E, Di Giulio T, Malitesta C. Electrochemical sensing of macromolecules based on molecularly imprinted polymers: challenges, successful strategies, and opportunities. Anal Bioanal Chem 2022; 414:5165-5200. [PMID: 35277740 PMCID: PMC8916950 DOI: 10.1007/s00216-022-03981-0] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 02/08/2022] [Accepted: 02/15/2022] [Indexed: 12/21/2022]
Abstract
Looking at the literature focused on molecularly imprinted polymers (MIPs) for protein, it soon becomes apparent that a remarkable increase in scientific interest and exploration of new applications has been recorded in the last several years, from 42 documents in 2011 to 128 just 10 years later, in 2021 (Scopus, December 2021). Such a rapid threefold increase in the number of works in this field is evidence that the imprinting of macromolecules no longer represents a distant dream of optimistic imprinters, as it was perceived until only a few years ago, but is rapidly becoming an ever more promising and reliable technology, due to the significant achievements in the field. The present critical review aims to summarize some of them, evidencing the aspects that have contributed to the success of the most widely used strategies in the field. At the same time, limitations and drawbacks of less frequently used approaches are critically discussed. Particular focus is given to the use of a MIP for protein in the assembly of electrochemical sensors. Sensor design indeed represents one of the most active application fields of imprinting technology, with electrochemical MIP sensors providing the broadest spectrum of protein analytes among the different sensor configurations.
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Affiliation(s)
- Elisabetta Mazzotta
- Laboratory of Analytical Chemistry, Department of Biological and Environmental Sciences and Technologies (Di.S.Te.B.A.), University of Salento, via Monteroni, 73100, Lecce, Italy.
| | - Tiziano Di Giulio
- Laboratory of Analytical Chemistry, Department of Biological and Environmental Sciences and Technologies (Di.S.Te.B.A.), University of Salento, via Monteroni, 73100, Lecce, Italy
| | - Cosimino Malitesta
- Laboratory of Analytical Chemistry, Department of Biological and Environmental Sciences and Technologies (Di.S.Te.B.A.), University of Salento, via Monteroni, 73100, Lecce, Italy
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12
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Integration of Adenylate Kinase 1 with Its Peptide Conformational Imprint. Int J Mol Sci 2022; 23:ijms23126521. [PMID: 35742970 PMCID: PMC9223553 DOI: 10.3390/ijms23126521] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 06/09/2022] [Accepted: 06/09/2022] [Indexed: 02/01/2023] Open
Abstract
In the present study, molecularly imprinted polymers (MIPs) were used as a tool to grasp a targeted α-helix or β-sheet of protein. During the fabrication of the hinge-mediated MIPs, elegant cavities took shape in a special solvent on quartz crystal microbalance (QCM) chips. The cavities, which were complementary to the protein secondary structure, acted as a peptide conformational imprint (PCI) for adenylate kinase 1 (AK1). We established a promising strategy to examine the binding affinities of human AK1 in conformational dynamics using the peptide-imprinting method. Moreover, when bound to AK1, PCIs are able to gain stability and tend to maintain higher catalytic activities than free AK1. Such designed fixations not only act on hinges as accelerators; some are also inhibitors. One example of PCI inhibition of AK1 catalytic activity takes place when PCI integrates with an AK19-23 β-sheet. In addition, conformation ties, a general MIP method derived from random-coil AK1133-144 in buffer/acetonitrile, are also inhibitors. The inhibition may be due to the need for this peptide to execute conformational transition during catalysis.
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13
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Molecularly Imprinted Polymer-Based Sensors for SARS-CoV-2: Where Are We Now? Biomimetics (Basel) 2022; 7:biomimetics7020058. [PMID: 35645185 PMCID: PMC9149885 DOI: 10.3390/biomimetics7020058] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 05/03/2022] [Accepted: 05/04/2022] [Indexed: 01/27/2023] Open
Abstract
Since the first reported case of COVID-19 in 2019 in China and the official declaration from the World Health Organization in March 2021 as a pandemic, fast and accurate diagnosis of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has played a major role worldwide. For this reason, various methods have been developed, comprising reverse transcriptase-polymerase chain reaction (RT-PCR), immunoassays, clustered regularly interspaced short palindromic repeats (CRISPR), reverse transcription loop-mediated isothermal amplification (RT-LAMP), and bio(mimetic)sensors. Among the developed methods, RT-PCR is so far the gold standard. Herein, we give an overview of the MIP-based sensors utilized since the beginning of the pandemic.
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14
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Recent Advances in Quartz Crystal Microbalance Biosensors Based on the Molecular Imprinting Technique for Disease-Related Biomarkers. CHEMOSENSORS 2022. [DOI: 10.3390/chemosensors10030106] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
The molecular imprinting technique is a quickly developing field of interest regarding the synthesis of artificial recognition elements that enable the specific determination of target molecule/analyte from a matrix. Recently, these smart materials can be successfully applied to biomolecule detection in biomimetic biosensors. These biosensors contain a biorecognition element (a bioreceptor) and a transducer, like their biosensor analogs. Here, the basic difference is that molecular imprinting-based biosensors use a synthetic recognition element. Molecular imprinting polymers used as the artificial recognition elements in biosensor platforms are complementary in shape, size, specific binding sites, and functionality to their template analytes. Recent progress in biomolecular recognition has supplied extra diagnostic and treatment methods for various diseases. Cost-effective, more robust, and high-throughput assays are needed for monitoring biomarkers in clinical settings. Quartz crystal microbalance (QCM) biosensors are promising tools for the real-time and quick detection of biomolecules in the past two decades A quick, simple-to-use, and cheap biomarkers detection technology based on biosensors has been developed. This critical review presents current applications in molecular imprinting-based quartz crystal microbalance biosensors for the quantification of biomarkers for disease monitoring and diagnostic results.
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15
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Mustafa YL, Keirouz A, Leese HS. Molecularly Imprinted Polymers in Diagnostics: Accessing Analytes in Biofluids. J Mater Chem B 2022; 10:7418-7449. [DOI: 10.1039/d2tb00703g] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Bio-applied molecularly imprinted polymers (MIPs) are biomimetic materials with tailor-made synthetic recognition sites, mimicking biological counterparts known for their sensitive and selective analyte detection. MIPs, specifically designed for biomarker analysis...
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Molecularly imprinted polymers for the extraction and determination of water-soluble vitamins: A review from 2001 to 2020. Eur Polym J 2021. [DOI: 10.1016/j.eurpolymj.2021.110835] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Haq I, Alanazi K, Czulak J, Di Masi S, Piletska E, Mujahid A, Hussain T, Piletsky SA, Garcia-Cruz A. Determination of sitagliptin in human plasma using a smart electrochemical sensor based on electroactive molecularly imprinted nanoparticles. NANOSCALE ADVANCES 2021; 3:4276-4285. [PMID: 36132843 PMCID: PMC9419752 DOI: 10.1039/d1na00194a] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Accepted: 05/25/2021] [Indexed: 06/04/2023]
Abstract
Sitagliptin is a hypoglycaemic agent used to reduce blood sugar levels in patients with type 2 diabetes mellitus (T2DM). Real time monitoring of sitagliptin levels is crucial to prevent overdose, which might cause liver, kidney and pancreatic diseases. As an alternative solution, a sitagliptin voltammetric sensor was fabricated using artificial receptors called electroactive molecularly imprinted polymer nanoparticles (nanoMIPs). The nanoMIP tagged with a redox probe (ferrocene) combines both the recognition and reporting functions. Traditional electrochemical sensors determine the redox activity of an analyte. Thus, they are influenced by interfering molecules and the nature of the sample. These innovative nanoMIPs allow us to easily design and customise sensors, increase their sensitivity and minimise the cross reactivity in biological samples. The present technology replaces the traditional enzyme-mediator pairs used in traditional biosensors. The polymer composition was optimized "in silico" using docking and screening methods. Nanoparticles were synthesized via free radical polymerization and a solid phase method and then characterized by infrared spectroscopy (FTIR), transmission electron microscopy (TEM) and dynamic light scattering (DLS). The specific sitagliptin nanoparticles were covalently immobilized on platinum electrodes via silane and carbodiimide chemistry. The determination of sitagliptin in human plasma by a nanoMIP sensor was assessed by differential pulse voltammetry (DPV). The sensor current response was directly related to the change in nanoMIP conformation triggered by the analyte. The optimisation of the sensor response was made by adjusting (i) the silane concentration, (ii) nanoMIP concentration, and (iii) immobilization time. The sensor measurements in plasma revealed high selectivity and a sensitivity of 32.5 ± 0.6 nA pM-1 towards sitagliptin, and the limit of detection of the fabricated sensor was found to be 0.06 pM. The sensor displayed a satisfactory performance for the determination of sitagliptin in spiked human plasma, demonstrating the potential of this technology for drug monitoring and clinical diagnosis.
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Affiliation(s)
- Isma Haq
- Institute of Chemistry, University of the Punjab Quaid-e-Azam Campus Lahore Pakistan
| | - Kaseb Alanazi
- Department of Chemistry, University of Leicester University Rd Leicester LE1 7RH UK
| | - Joanna Czulak
- MIP Diagnostics Ltd Colworth Science Park, Sharnbrook Bedford MK44 1LQ UK
| | - Sabrina Di Masi
- Department of Biological and Environmental Sciences and Technologies, University of Salento Via Monteroni Lecce IT 73100 Italy
| | - Elena Piletska
- Department of Chemistry, University of Leicester University Rd Leicester LE1 7RH UK
| | - Adnan Mujahid
- Institute of Chemistry, University of the Punjab Quaid-e-Azam Campus Lahore Pakistan
| | - Tajamal Hussain
- Institute of Chemistry, University of the Punjab Quaid-e-Azam Campus Lahore Pakistan
| | - Sergey A Piletsky
- Department of Chemistry, University of Leicester University Rd Leicester LE1 7RH UK
| | - Alvaro Garcia-Cruz
- Department of Chemistry, University of Leicester University Rd Leicester LE1 7RH UK
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Hassan MH, Vyas C, Grieve B, Bartolo P. Recent Advances in Enzymatic and Non-Enzymatic Electrochemical Glucose Sensing. SENSORS (BASEL, SWITZERLAND) 2021; 21:4672. [PMID: 34300412 PMCID: PMC8309655 DOI: 10.3390/s21144672] [Citation(s) in RCA: 84] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 06/28/2021] [Accepted: 07/06/2021] [Indexed: 11/17/2022]
Abstract
The detection of glucose is crucial in the management of diabetes and other medical conditions but also crucial in a wide range of industries such as food and beverages. The development of glucose sensors in the past century has allowed diabetic patients to effectively manage their disease and has saved lives. First-generation glucose sensors have considerable limitations in sensitivity and selectivity which has spurred the development of more advanced approaches for both the medical and industrial sectors. The wide range of application areas has resulted in a range of materials and fabrication techniques to produce novel glucose sensors that have higher sensitivity and selectivity, lower cost, and are simpler to use. A major focus has been on the development of enzymatic electrochemical sensors, typically using glucose oxidase. However, non-enzymatic approaches using direct electrochemistry of glucose on noble metals are now a viable approach in glucose biosensor design. This review discusses the mechanisms of electrochemical glucose sensing with a focus on the different generations of enzymatic-based sensors, their recent advances, and provides an overview of the next generation of non-enzymatic sensors. Advancements in manufacturing techniques and materials are key in propelling the field of glucose sensing, however, significant limitations remain which are highlighted in this review and requires addressing to obtain a more stable, sensitive, selective, cost efficient, and real-time glucose sensor.
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Affiliation(s)
- Mohamed H. Hassan
- Department of Mechanical, Aerospace and Civil Engineering, University of Manchester, Manchester M13 9PL, UK; (M.H.H.); (C.V.)
| | - Cian Vyas
- Department of Mechanical, Aerospace and Civil Engineering, University of Manchester, Manchester M13 9PL, UK; (M.H.H.); (C.V.)
| | - Bruce Grieve
- Department of Electrical & Electronic Engineering, University of Manchester, Manchester M13 9PL, UK;
| | - Paulo Bartolo
- Department of Mechanical, Aerospace and Civil Engineering, University of Manchester, Manchester M13 9PL, UK; (M.H.H.); (C.V.)
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Herrera-Chacón A, Cetó X, Del Valle M. Molecularly imprinted polymers - towards electrochemical sensors and electronic tongues. Anal Bioanal Chem 2021; 413:6117-6140. [PMID: 33928404 PMCID: PMC8084593 DOI: 10.1007/s00216-021-03313-8] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 03/18/2021] [Accepted: 03/24/2021] [Indexed: 02/02/2023]
Abstract
Molecularly imprinted polymers (MIPs) are artificially synthesized materials to mimic the molecular recognition process of biological macromolecules such as substrate-enzyme or antigen-antibody. The combination of these biomimetic materials with electrochemical techniques has allowed the development of advanced sensing devices, which significantly improve the performance of bare or catalyst-modified sensors, being able to unleash new applications. However, despite the high selectivity that MIPs exhibit, those can still show some cross-response towards other compounds, especially with chemically analogous (bio)molecules. Thus, the combination of MIPs with chemometric methods opens the room for the development of what could be considered a new type of electronic tongues, i.e. sensor array systems, based on its usage. In this direction, this review provides an overview of the more common synthetic approaches, as well as the strategies that can be used to achieve the integration of MIPs and electrochemical sensors, followed by some recent examples over different areas in order to illustrate the potential of such combination in very diverse applications.
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Affiliation(s)
- Anna Herrera-Chacón
- Sensors and Biosensors Group, Department of Chemistry, Universitat Autònoma de Barcelona, Edifici Cn, 08193 Bellaterra, Barcelona, Spain
| | - Xavier Cetó
- Sensors and Biosensors Group, Department of Chemistry, Universitat Autònoma de Barcelona, Edifici Cn, 08193 Bellaterra, Barcelona, Spain
| | - Manel Del Valle
- Sensors and Biosensors Group, Department of Chemistry, Universitat Autònoma de Barcelona, Edifici Cn, 08193 Bellaterra, Barcelona, Spain.
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