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Grübel J, Wendlandt T, Urban D, Jauch CO, Wege C, Tovar GEM, Southan A. Soft Sub-Structured Multi-Material Biosensor Hydrogels with Enzymes Retained by Plant Viral Scaffolds. Macromol Biosci 2024; 24:e2300311. [PMID: 37922890 DOI: 10.1002/mabi.202300311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 10/13/2023] [Indexed: 11/07/2023]
Abstract
An all-soft multi-material combination consisting of a hydrogel based on poly(ethylene glycol) (PEG) coated with spatially defined spots of gelatin methacryloyl (GM) containing selectively addressable viral nanorods is presented, and its basic application as a qualitative biosensor with reporter enzymes displayed on the tobacco mosaic virus (TMV) bioscaffolds within the GM is demonstrated. Biologically inert PEG supports are equipped with GM spots serving as biological matrix for enzymes clustered on TMV particles preventing diffusion out of the gel. For this multi-material combination, i) the PEG-based hydrogel surface is modified to achieve a clear boundary between coated and non-coated regions by introducing either isothiouronium or thiol groups. ii) Cross-linking of the GM spots is studied to achieve anchoring to the hydrogel surface. iii) The enzymes horseradish peroxidase or penicillinase (Pen) are conjugated to TMV and integrated into the GM matrix. In contrast to free enzymes, enzyme-decorated TMVs persist in GM spots and show sustained enzyme activity as evidenced by specific color reaction after 7 days of washing, and for Pen after 22 months after dry storage. Therefore, the integration of enzyme-coupled TMV into hydrogel matrices is a promising and versatile approach to obtaining reusable and analyte-specific sensor components.
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Affiliation(s)
- Jana Grübel
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Tim Wendlandt
- Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, Pfaffenwaldring 57, 70569, Stuttgart, Germany
| | - Daniela Urban
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Corinna O Jauch
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Christina Wege
- Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, Pfaffenwaldring 57, 70569, Stuttgart, Germany
| | - Günter E M Tovar
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
- Fraunhofer Institute for Interfacial Engineering and Biotechnology IGB, Nobelstr. 12, 70569, Stuttgart, Germany
| | - Alexander Southan
- Institute of Interfacial Process Engineering and Plasma Technology IGVP, University of Stuttgart, Nobelstr. 12, 70569, Stuttgart, Germany
- Max Planck Institute for Intelligent Systems, Heisenbergstr. 3, 70569, Stuttgart, Germany
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Wendlandt T, Koch C, Britz B, Liedek A, Schmidt N, Werner S, Gleba Y, Vahidpour F, Welden M, Poghossian A, Schöning MJ, Eber FJ, Jeske H, Wege C. Facile Purification and Use of Tobamoviral Nanocarriers for Antibody-Mediated Display of a Two-Enzyme System. Viruses 2023; 15:1951. [PMID: 37766357 PMCID: PMC10536799 DOI: 10.3390/v15091951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 09/11/2023] [Accepted: 09/13/2023] [Indexed: 09/29/2023] Open
Abstract
Immunosorbent turnip vein clearing virus (TVCV) particles displaying the IgG-binding domains D and E of Staphylococcus aureus protein A (PA) on every coat protein (CP) subunit (TVCVPA) were purified from plants via optimized and new protocols. The latter used polyethylene glycol (PEG) raw precipitates, from which virions were selectively re-solubilized in reverse PEG concentration gradients. This procedure improved the integrity of both TVCVPA and the wild-type subgroup 3 tobamovirus. TVCVPA could be loaded with more than 500 IgGs per virion, which mediated the immunocapture of fluorescent dyes, GFP, and active enzymes. Bi-enzyme ensembles of cooperating glucose oxidase and horseradish peroxidase were tethered together on the TVCVPA carriers via a single antibody type, with one enzyme conjugated chemically to its Fc region, and the other one bound as a target, yielding synthetic multi-enzyme complexes. In microtiter plates, the TVCVPA-displayed sugar-sensing system possessed a considerably increased reusability upon repeated testing, compared to the IgG-bound enzyme pair in the absence of the virus. A high coverage of the viral adapters was also achieved on Ta2O5 sensor chip surfaces coated with a polyelectrolyte interlayer, as a prerequisite for durable TVCVPA-assisted electrochemical biosensing via modularly IgG-assembled sensor enzymes.
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Affiliation(s)
- Tim Wendlandt
- Institute of Biomaterials and Biomolecular Systems, Molecular and Synthetic Plant Virology, University of Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany; (T.W.); (C.K.); (N.S.)
| | - Claudia Koch
- Institute of Biomaterials and Biomolecular Systems, Molecular and Synthetic Plant Virology, University of Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany; (T.W.); (C.K.); (N.S.)
| | - Beate Britz
- Institute of Biomaterials and Biomolecular Systems, Molecular and Synthetic Plant Virology, University of Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany; (T.W.); (C.K.); (N.S.)
| | - Anke Liedek
- Institute of Biomaterials and Biomolecular Systems, Molecular and Synthetic Plant Virology, University of Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany; (T.W.); (C.K.); (N.S.)
| | - Nora Schmidt
- Institute of Biomaterials and Biomolecular Systems, Molecular and Synthetic Plant Virology, University of Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany; (T.W.); (C.K.); (N.S.)
| | - Stefan Werner
- Nambawan Biotech GmbH/Now at Icon Genetics GmbH, Weinbergweg 22, 06120 Halle, Germany;
| | - Yuri Gleba
- Nomad Bioscience GmbH, Weinbergweg 22, 06120 Halle, Germany;
| | - Farnoosh Vahidpour
- Institute of Nano- and Biotechnologies, Aachen University of Applied Sciences, 52428 Jülich, Germany; (F.V.); (M.W.); (M.J.S.)
| | - Melanie Welden
- Institute of Nano- and Biotechnologies, Aachen University of Applied Sciences, 52428 Jülich, Germany; (F.V.); (M.W.); (M.J.S.)
| | | | - Michael J. Schöning
- Institute of Nano- and Biotechnologies, Aachen University of Applied Sciences, 52428 Jülich, Germany; (F.V.); (M.W.); (M.J.S.)
- Institute of Biological Information Processing (IBI-3), Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
| | - Fabian J. Eber
- Department of Mechanical and Process Engineering, Offenburg University of Applied Sciences, 77652 Offenburg, Germany;
| | - Holger Jeske
- Institute of Biomaterials and Biomolecular Systems, Molecular and Synthetic Plant Virology, University of Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany; (T.W.); (C.K.); (N.S.)
| | - Christina Wege
- Institute of Biomaterials and Biomolecular Systems, Molecular and Synthetic Plant Virology, University of Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany; (T.W.); (C.K.); (N.S.)
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Abstract
Unpredictable natural disasters, disease outbreaks, climate change, pollution, and war constantly threaten food crop production. Smart and precision farming encourages using information or data obtained by using advanced technology (sensors, AI, and IoT) to improve decision-making in agriculture and achieve high productivity. For instance, weather prediction, nutrient information, pollutant assessment, and pathogen determination can be made with the help of new analytical and bioanalytical methods, demonstrating the potential for societal impact such as environmental, agricultural, and food science. As a rising technology, biosensors can be a potential tool to promote smart and precision farming in developing and underdeveloped countries. This review emphasizes the role of on-field, in vivo, and wearable biosensors in smart and precision farming, especially those biosensing systems that have proven with suitably complex and analytically challenging samples. The development of various agricultural biosensors in the past five years that fulfill market requirements such as portability, low cost, long-term stability, user-friendliness, rapidity, and on-site monitoring will be reviewed. The challenges and prospects for developing IoT and AI-integrated biosensors to increase crop yield and advance sustainable agriculture will be discussed. Using biosensors in smart and precision farming would ensure food security and revenue for farming communities.
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Affiliation(s)
- Jia Ling Tsong
- Department of Chemistry, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, Malaysia.
| | - Sook Mei Khor
- Department of Chemistry, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, Malaysia.
- Centre for Fundamental and Frontier Sciences in Nanostructure Self-Assembly, Department of Chemistry, Faculty of Science, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
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Welden M, Poghossian A, Vahidpour F, Wendlandt T, Keusgen M, Christina Wege, Schöning MJ. Capacitive field-effect biosensor modified with a stacked bilayer of weak polyelectrolyte and plant virus particles as enzyme nanocarriers. Bioelectrochemistry 2023; 151:108397. [PMID: 36906982 DOI: 10.1016/j.bioelechem.2023.108397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/29/2023] [Accepted: 02/08/2023] [Indexed: 02/17/2023]
Abstract
This work presents a new approach for the development of field-effect biosensors based on an electrolyte-insulator-semiconductor capacitor (EISCAP) modified with a stacked bilayer of weak polyelectrolyte and tobacco mosaic virus (TMV) particles as enzyme nanocarriers. With the aim to increase the surface density of virus particles and thus, to achieve a dense immobilization of enzymes, the negatively charged TMV particles were loaded onto the EISCAP surface modified with a positively charged poly(allylamine hydrochloride) (PAH) layer. The PAH/TMV bilayer was prepared on the Ta2O5-gate surface by means of layer-by-layer technique. The bare and differently modified EISCAP surfaces were physically characterized by fluorescence microscopy, zeta-potential measurements, atomic force microscopy and scanning electron microscopy. Transmission electron microscopy was used to scrutinize the PAH effect on TMV adsorption in a second system. Finally, a highly sensitive TMV-assisted EISCAP antibiotics biosensor was realized by immobilizing the enzyme penicillinase onto the TMV surface. This PAH/TMV bilayer-modified EISCAP biosensor was electrochemically characterized in solutions with different penicillin concentrations via capacitance-voltage and constant-capacitance methods. The biosensor possessed a mean penicillin sensitivity of 113 mV/dec in a concentration range from 0.1 mM to 5 mM.
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Affiliation(s)
- Melanie Welden
- Institute of Nano- and Biotechnologies, Aachen University of Applied Sciences, 52428 Jülich, Germany; Institute of Pharmaceutical Chemistry, Philipps University Marburg, 35032 Marburg, Germany.
| | | | - Farnoosh Vahidpour
- Institute of Nano- and Biotechnologies, Aachen University of Applied Sciences, 52428 Jülich, Germany.
| | - Tim Wendlandt
- Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, 70569 Stuttgart, Germany.
| | - Michael Keusgen
- Institute of Pharmaceutical Chemistry, Philipps University Marburg, 35032 Marburg, Germany.
| | - Christina Wege
- Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, 70569 Stuttgart, Germany.
| | - Michael J Schöning
- Institute of Nano- and Biotechnologies, Aachen University of Applied Sciences, 52428 Jülich, Germany; Institute of Biological Information Processing (IBI-3), Forschungszentrum Jülich GmbH, 52425 Jülich, Germany.
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5
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Zahmanova G, Aljabali AA, Takova K, Toneva V, Tambuwala MM, Andonov AP, Lukov GL, Minkov I. The Plant Viruses and Molecular Farming: How Beneficial They Might Be for Human and Animal Health? Int J Mol Sci 2023; 24. [PMID: 36675043 DOI: 10.3390/ijms24021533] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 01/04/2023] [Accepted: 01/06/2023] [Indexed: 01/15/2023] Open
Abstract
Plant viruses have traditionally been studied as pathogens in the context of understanding the molecular and cellular mechanisms of a particular disease affecting crops. In recent years, viruses have emerged as a new alternative for producing biological nanomaterials and chimeric vaccines. Plant viruses were also used to generate highly efficient expression vectors, revolutionizing plant molecular farming (PMF). Several biological products, including recombinant vaccines, monoclonal antibodies, diagnostic reagents, and other pharmaceutical products produced in plants, have passed their clinical trials and are in their market implementation stage. PMF offers opportunities for fast, adaptive, and low-cost technology to meet ever-growing and critical global health needs. In this review, we summarized the advancements in the virus-like particles-based (VLPs-based) nanotechnologies and the role they played in the production of advanced vaccines, drugs, diagnostic bio-nanomaterials, and other bioactive cargos. We also highlighted various applications and advantages plant-produced vaccines have and their relevance for treating human and animal illnesses. Furthermore, we summarized the plant-based biologics that have passed through clinical trials, the unique challenges they faced, and the challenges they will face to qualify, become available, and succeed on the market.
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6
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Geiger F, Wendlandt T, Berking T, Spatz JP, Wege C. Convenient site-selective protein coupling from bacterial raw lysates to coenzyme A-modified tobacco mosaic virus (TMV) by Bacillus subtilis Sfp phosphopantetheinyl transferase. Virology 2023; 578:61-70. [PMID: 36473278 DOI: 10.1016/j.virol.2022.11.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 11/22/2022] [Accepted: 11/22/2022] [Indexed: 11/27/2022]
Abstract
A facile enzyme-mediated strategy enables site-specific covalent one-step coupling of genetically tagged luciferase molecules to coenzyme A-modified tobacco mosaic virus (TMV-CoA) both in solution and on solid supports. Bacillus subtilis surfactin phosphopantetheinyl transferase Sfp produced in E. coli mediated the conjugation of firefly luciferase N-terminally extended by eleven amino acids forming a 'ybbR tag' as Sfp-selective substrate, which even worked in bacterial raw lysates. The enzymes displayed on the protein coat of the TMV nanocarriers exhibited high activity. As TMV has proven a beneficial high surface-area adapter template stabilizing enzymes in different biosensing layouts in recent years, the use of TMV-CoA for fishing ybbR-tagged proteins from complex mixtures might become an advantageous concept for the versatile equipment of miniaturized devices with biologically active proteins. It comes along with new opportunities for immobilizing multiple functionalities on TMV adapter coatings, as desired, e.g., in handheld systems for point-of-care detection.
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Affiliation(s)
- Fania Geiger
- Max Planck Institute for Medical Research, Department of Cellular Biophysics, Jahnstraße 29, 69120, Heidelberg, Germany; Heidelberg University, Institute for Molecular Systems Engineering and Advanced Materials (IMSEAM), Im Neuenheimer Feld 225, 69120, Heidelberg, Germany
| | - Tim Wendlandt
- University of Stuttgart, Institute of Biomaterials and Biomolecular Systems, Research Unit Molecular and Synthetic Plant Virology, Pfaffenwaldring 57, 70569, Stuttgart, Germany
| | - Tim Berking
- University of Stuttgart, Institute of Organic Chemistry, Pfaffenwaldring 55, 70569, Stuttgart, Germany
| | - Joachim P Spatz
- Max Planck Institute for Medical Research, Department of Cellular Biophysics, Jahnstraße 29, 69120, Heidelberg, Germany; Heidelberg University, Institute for Molecular Systems Engineering and Advanced Materials (IMSEAM), Im Neuenheimer Feld 225, 69120, Heidelberg, Germany; Max Planck School Matter to Life, Jahnstraße 29, 69120, Heidelberg, Germany
| | - Christina Wege
- University of Stuttgart, Institute of Biomaterials and Biomolecular Systems, Research Unit Molecular and Synthetic Plant Virology, Pfaffenwaldring 57, 70569, Stuttgart, Germany.
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Welden M, Severins R, Poghossian A, Wege C, Bongaerts J, Siegert P, Keusgen M, Schöning MJ. Detection of Acetoin and Diacetyl by a Tobacco Mosaic Virus-Assisted Field-Effect Biosensor. Chemosensors 2022; 10:218. [DOI: 10.3390/chemosensors10060218] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Acetoin and diacetyl have a major impact on the flavor of alcoholic beverages such as wine or beer. Therefore, their measurement is important during the fermentation process. Until now, gas chromatographic techniques have typically been applied; however, these require expensive laboratory equipment and trained staff, and do not allow for online monitoring. In this work, a capacitive electrolyte–insulator–semiconductor sensor modified with tobacco mosaic virus (TMV) particles as enzyme nanocarriers for the detection of acetoin and diacetyl is presented. The enzyme acetoin reductase from Alkalihalobacillus clausii DSM 8716T is immobilized via biotin–streptavidin affinity, binding to the surface of the TMV particles. The TMV-assisted biosensor is electrochemically characterized by means of leakage–current, capacitance–voltage, and constant capacitance measurements. In this paper, the novel biosensor is studied regarding its sensitivity and long-term stability in buffer solution. Moreover, the TMV-assisted capacitive field-effect sensor is applied for the detection of diacetyl for the first time. The measurement of acetoin and diacetyl with the same sensor setup is demonstrated. Finally, the successive detection of acetoin and diacetyl in buffer and in diluted beer is studied by tuning the sensitivity of the biosensor using the pH value of the measurement solution.
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Paiva TO, Schneider A, Bataille L, Chovin A, Anne A, Michon T, Wege C, Demaille C. Enzymatic activity of individual bioelectrocatalytic viral nanoparticles: dependence of catalysis on the viral scaffold and its length. Nanoscale 2022; 14:875-889. [PMID: 34985473 DOI: 10.1039/d1nr07445h] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The enzymatic activity of tobacco mosaic virus (TMV) nanorod particles decorated with an integrated electro-catalytic system, comprising the quinoprotein glucose-dehydrogenase (PQQ-GDH) enzyme and ferrocenylated PEG chains as redox mediators, is probed at the individual virion scale by atomic force microscopy-scanning electrochemical atomic force microscopy (AFM-SECM). A marked dependence of the catalytic activity on the particle length is observed. This finding can be explained by electron propagation along the viral backbone, resulting from electron exchange between ferrocene moieties, coupled with enzymatic catalysis. Thus, the use of a simple 1D diffusion/reaction model allows the determination of the kinetic parameters of the virus-supported enzyme. Comparative analysis of the catalytic behavior of the Fc-PEG/PQQ-GDH system assembled on two differing viral scaffolds, TMV (this work) and bacteriophage-fd (previous work), reveals two distinct kinetic effects of scaffolding: An enhancement of catalysis that does not depend on the virus type and a modulation of substrate inhibition that depends on the virus type. AFM-SECM detection of the enzymatic activity of a few tens of PQQ-GDH molecules, decorating a 40 nm-long viral domain, is also demonstrated, a record in terms of the lowest number of enzyme molecules interrogated by an electrochemical imaging technique.
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Affiliation(s)
- Telmo O Paiva
- Université de Paris, Laboratoire d'Electrochimie Moléculaire, CNRS UMR 7591, F-75013 Paris, France.
| | - Angela Schneider
- University of Stuttgart, Institute of Biomaterials and Biomolecular Systems, Research Unit Molecular and Synthetic Plant Virology, 70569 Stuttgart, Germany.
| | - Laure Bataille
- Université de Bordeaux, Biologie du Fruit et Pathologie, INRA UMR 1332, F-33140 Villenave d'Ornon, France.
| | - Arnaud Chovin
- Université de Paris, Laboratoire d'Electrochimie Moléculaire, CNRS UMR 7591, F-75013 Paris, France.
| | - Agnès Anne
- Université de Paris, Laboratoire d'Electrochimie Moléculaire, CNRS UMR 7591, F-75013 Paris, France.
| | - Thierry Michon
- Université de Bordeaux, Biologie du Fruit et Pathologie, INRA UMR 1332, F-33140 Villenave d'Ornon, France.
| | - Christina Wege
- University of Stuttgart, Institute of Biomaterials and Biomolecular Systems, Research Unit Molecular and Synthetic Plant Virology, 70569 Stuttgart, Germany.
| | - Christophe Demaille
- Université de Paris, Laboratoire d'Electrochimie Moléculaire, CNRS UMR 7591, F-75013 Paris, France.
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Welden M, Poghossian A, Vahidpour F, Wendlandt T, Keusgen M, Wege C, Schöning MJ. Towards Multi-Analyte Detection with Field-Effect Capacitors Modified with Tobacco Mosaic Virus Bioparticles as Enzyme Nanocarriers. Biosensors (Basel) 2022; 12:bios12010043. [PMID: 35049671 PMCID: PMC8773754 DOI: 10.3390/bios12010043] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 01/07/2022] [Accepted: 01/13/2022] [Indexed: 05/07/2023]
Abstract
Utilizing an appropriate enzyme immobilization strategy is crucial for designing enzyme-based biosensors. Plant virus-like particles represent ideal nanoscaffolds for an extremely dense and precise immobilization of enzymes, due to their regular shape, high surface-to-volume ratio and high density of surface binding sites. In the present work, tobacco mosaic virus (TMV) particles were applied for the co-immobilization of penicillinase and urease onto the gate surface of a field-effect electrolyte-insulator-semiconductor capacitor (EISCAP) with a p-Si-SiO2-Ta2O5 layer structure for the sequential detection of penicillin and urea. The TMV-assisted bi-enzyme EISCAP biosensor exhibited a high urea and penicillin sensitivity of 54 and 85 mV/dec, respectively, in the concentration range of 0.1-3 mM. For comparison, the characteristics of single-enzyme EISCAP biosensors modified with TMV particles immobilized with either penicillinase or urease were also investigated. The surface morphology of the TMV-modified Ta2O5-gate was analyzed by scanning electron microscopy. Additionally, the bi-enzyme EISCAP was applied to mimic an XOR (Exclusive OR) enzyme logic gate.
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Affiliation(s)
- Melanie Welden
- Institute of Nano- and Biotechnologies, Aachen University of Applied Sciences, 52428 Jülich, Germany; (M.W.); (F.V.)
- Institute of Pharmaceutical Chemistry, Philipps University Marburg, 35032 Marburg, Germany;
| | | | - Farnoosh Vahidpour
- Institute of Nano- and Biotechnologies, Aachen University of Applied Sciences, 52428 Jülich, Germany; (M.W.); (F.V.)
| | - Tim Wendlandt
- Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, 70569 Stuttgart, Germany; (T.W.); (C.W.)
| | - Michael Keusgen
- Institute of Pharmaceutical Chemistry, Philipps University Marburg, 35032 Marburg, Germany;
| | - Christina Wege
- Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, 70569 Stuttgart, Germany; (T.W.); (C.W.)
| | - Michael J. Schöning
- Institute of Nano- and Biotechnologies, Aachen University of Applied Sciences, 52428 Jülich, Germany; (M.W.); (F.V.)
- Institute of Biological Information Processing (IBI-3), Forschungszentrum Jülich GmbH, 52425 Jülich, Germany
- Correspondence:
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Jablonski M, Poghossian A, Keusgen M, Wege C, Schöning MJ. Detection of plant virus particles with a capacitive field-effect sensor. Anal Bioanal Chem 2021; 413:5669-5678. [PMID: 34244834 PMCID: PMC8270236 DOI: 10.1007/s00216-021-03448-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 05/27/2021] [Accepted: 05/31/2021] [Indexed: 10/25/2022]
Abstract
Plant viruses are major contributors to crop losses and induce high economic costs worldwide. For reliable, on-site and early detection of plant viral diseases, portable biosensors are of great interest. In this study, a field-effect SiO2-gate electrolyte-insulator-semiconductor (EIS) sensor was utilized for the label-free electrostatic detection of tobacco mosaic virus (TMV) particles as a model plant pathogen. The capacitive EIS sensor has been characterized regarding its TMV sensitivity by means of constant-capacitance method. The EIS sensor was able to detect biotinylated TMV particles from a solution with a TMV concentration as low as 0.025 nM. A good correlation between the registered EIS sensor signal and the density of adsorbed TMV particles assessed from scanning electron microscopy images of the SiO2-gate chip surface was observed. Additionally, the isoelectric point of the biotinylated TMV particles was determined via zeta potential measurements and the influence of ionic strength of the measurement solution on the TMV-modified EIS sensor signal has been studied.
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Affiliation(s)
- Melanie Jablonski
- Institute of Nano- and Biotechnologies, FH Aachen, Heinrich-Mußmann-Str. 1, 52428, Jülich, Germany
- Institute of Pharmaceutical Chemistry, Philipps University Marburg, Marbacher Weg 6-10, 35032, Marburg, Germany
| | | | - Michael Keusgen
- Institute of Pharmaceutical Chemistry, Philipps University Marburg, Marbacher Weg 6-10, 35032, Marburg, Germany
| | - Christina Wege
- Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, Pfaffenwaldring 57, 70569, Stuttgart, Germany
| | - Michael J Schöning
- Institute of Nano- and Biotechnologies, FH Aachen, Heinrich-Mußmann-Str. 1, 52428, Jülich, Germany.
- Institute of Biological Information Processing (IBI-3), Forschungszentrum Jülich GmbH, 52425, Jülich, Germany.
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11
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Venkataraman S, Hefferon K. Application of Plant Viruses in Biotechnology, Medicine, and Human Health. Viruses 2021; 13:1697. [PMID: 34578279 PMCID: PMC8473230 DOI: 10.3390/v13091697] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Revised: 07/02/2021] [Accepted: 07/12/2021] [Indexed: 01/06/2023] Open
Abstract
Plant-based nanotechnology programs using virus-like particles (VLPs) and virus nanoparticles (VNPs) are emerging platforms that are increasingly used for a variety of applications in biotechnology and medicine. Tobacco mosaic virus (TMV) and potato virus X (PVX), by virtue of having high aspect ratios, make ideal platforms for drug delivery. TMV and PVX both possess rod-shaped structures and single-stranded RNA genomes encapsidated by their respective capsid proteins and have shown great promise as drug delivery systems. Cowpea mosaic virus (CPMV) has an icosahedral structure, and thus brings unique benefits as a nanoparticle. The uses of these three plant viruses as either nanostructures or expression vectors for high value pharmaceutical proteins such as vaccines and antibodies are discussed extensively in the following review. In addition, the potential uses of geminiviruses in medical biotechnology are explored. The uses of these expression vectors in plant biotechnology applications are also discussed. Finally, in this review, we project future prospects for plant viruses in the fields of medicine, human health, prophylaxis, and therapy of human diseases.
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Affiliation(s)
| | - Kathleen Hefferon
- Department of Cell and Systems Biology, University of Toronto, Toronto, ON M5S 3B2, Canada;
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12
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Yur D, Lieser RM, Sullivan MO, Chen W. Engineering bionanoparticles for improved biosensing and bioimaging. Curr Opin Biotechnol 2021; 71:41-48. [PMID: 34157601 DOI: 10.1016/j.copbio.2021.06.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 05/10/2021] [Accepted: 06/03/2021] [Indexed: 12/15/2022]
Abstract
The importance of bioimaging and biosensing has been clear with the onset of the COVID-19 pandemic. In addition to viral detection, detection of tumors, glucose levels, and microbes is necessary for improved disease treatment and prevention. Bionanoparticles, such as extracellular vesicles and protein nanoparticles, are ideal platforms for biosensing and bioimaging applications because of their propensity for high density surface functionalization and large loading capacity. Scaffolding large numbers of sensing modules and detection modules onto bionanoparticles allows for enhanced analyte affinity and specificity as well as signal amplification for highly sensitive detection even at low analyte concentrations. Here we demonstrate the potential of bionanoparticles for bioimaging and biosensing by highlighting recent examples in literature that utilize protein nanoparticles and extracellular vesicles to generate highly sensitive detection devices with impressive signal amplification.
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Affiliation(s)
- Daniel Yur
- Department of Chemical and Biomolecular Engineering, University of Delaware, 150 Academy Street, Newark, DE 19716 United States
| | - Rachel M Lieser
- Department of Chemical and Biomolecular Engineering, University of Delaware, 150 Academy Street, Newark, DE 19716 United States
| | - Millicent O Sullivan
- Department of Chemical and Biomolecular Engineering, University of Delaware, 150 Academy Street, Newark, DE 19716 United States.
| | - Wilfred Chen
- Department of Chemical and Biomolecular Engineering, University of Delaware, 150 Academy Street, Newark, DE 19716 United States.
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13
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Welden R, Jablonski M, Wege C, Keusgen M, Wagner PH, Wagner T, Schöning MJ. Light-Addressable Actuator-Sensor Platform for Monitoring and Manipulation of pH Gradients in Microfluidics: A Case Study with the Enzyme Penicillinase. Biosensors (Basel) 2021; 11:171. [PMID: 34072213 DOI: 10.3390/bios11060171] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 05/21/2021] [Accepted: 05/25/2021] [Indexed: 11/17/2022]
Abstract
The feasibility of light-addressed detection and manipulation of pH gradients inside an electrochemical microfluidic cell was studied. Local pH changes, induced by a light-addressable electrode (LAE), were detected using a light-addressable potentiometric sensor (LAPS) with different measurement modes representing an actuator-sensor system. Biosensor functionality was examined depending on locally induced pH gradients with the help of the model enzyme penicillinase, which had been immobilized in the microfluidic channel. The surface morphology of the LAE and enzyme-functionalized LAPS was studied by scanning electron microscopy. Furthermore, the penicillin sensitivity of the LAPS inside the microfluidic channel was determined with regard to the analyte’s pH influence on the enzymatic reaction rate. In a final experiment, the LAE-controlled pH inhibition of the enzyme activity was monitored by the LAPS.
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14
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Zhou C, Zou H, Sun C, Li Y. Recent advances in biosensors for antibiotic detection: Selectivity and signal amplification with nanomaterials. Food Chem 2021; 361:130109. [PMID: 34029899 DOI: 10.1016/j.foodchem.2021.130109] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2020] [Revised: 04/19/2021] [Accepted: 05/12/2021] [Indexed: 12/19/2022]
Abstract
Antibiotics are widely used in the prevention and treatment of infectious diseases in animals due to its bactericidal or bacteriostatic action. Residual antibiotics and their metabolites pose great threats to human and animal health, such as potential carcinogenic and mutagenic effects, and bacterial resistances. Therefore, it is necessary and urgent to accurately monitor trace amounts of antibiotics in food samples. Up to now, many analytical methods have been reported for the determination of antibiotics. Biosensors with the advantages of high sensitivity, rapid response, easy miniaturization, and low price have been widely applied to the detection of antibiotics residues in past decades. This review offered an in-depth evaluation of recognition elements for antibiotic residues in diverse food matrices. In addition, it presented a systematical and critical review on signal amplification via various materials, focusing on recently developed nanomaterials. Finally, the review provided an outlook on the future concepts to help upgrade the sensing techniques for antibiotics in food.
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Affiliation(s)
- Chen Zhou
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610041, China
| | - Haimin Zou
- Department of Clinical Laboratory, Sichuan Cancer Hospital and Institute, Sichuan Cancer Center, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610041, China
| | - Chengjun Sun
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610041, China; Provincial Key Laboratory for Food Safety Monitoring and Risk Assessment of Sichuan, Chengdu 610041, China
| | - Yongxin Li
- West China School of Public Health and West China Fourth Hospital, Sichuan University, Chengdu 610041, China; Provincial Key Laboratory for Food Safety Monitoring and Risk Assessment of Sichuan, Chengdu 610041, China.
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15
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Lee KZ, Basnayake Pussepitiyalage V, Lee YH, Loesch-Fries LS, Harris MT, Hemmati S, Solomon KV. Engineering Tobacco Mosaic Virus and Its Virus-Like-Particles for Synthesis of Biotemplated Nanomaterials. Biotechnol J 2021; 16:e2000311. [PMID: 33135368 DOI: 10.1002/biot.202000311] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2020] [Revised: 10/27/2020] [Indexed: 12/12/2022]
Abstract
Biomolecules are increasingly attractive templates for the synthesis of functional nanomaterials. Chief among them is the plant tobacco mosaic virus (TMV) due to its high aspect ratio, narrow size distribution, diverse biochemical functionalities presented on the surface, and compatibility with a number of chemical conjugations. These properties are also easily manipulated by genetic modification to enable the synthesis of a range of metallic and non-metallic nanomaterials for diverse applications. This article reviews the characteristics of TMV and related viruses, and their virus-like particle (VLP) derivatives, and how these may be manipulated to extend their use and function. A focus of recent efforts has been on greater understanding and control of the self-assembly processes that drive biotemplate formation. How these features have been exploited in engineering applications such as, sensing, catalysis, and energy storage are briefly outlined. While control of VLP surface features is well-established, fewer tools exist to control VLP self-assembly, which limits efforts to control template uniformity and synthesis of certain templated nanomaterials. However, emerging advances in synthetic biology, machine learning, and other fields promise to accelerate efforts to control template uniformity and nanomaterial synthesis enabling more widescale industrial use of VLP-based biotemplates.
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Affiliation(s)
- Kok Zhi Lee
- Agricultural & Biological Engineering, Purdue University, 225 S University St, West Lafayette, IN, 47907, USA
| | | | - Yu-Hsuan Lee
- School of Chemical Engineering, Purdue University, 480 W Stadium Ave, West Lafayette, IN, 47907, USA
| | - L Sue Loesch-Fries
- Department of Botany and Plant Pathology, Purdue University, 915 W State St, West Lafayette, IN, 47907, USA
| | - Michael T Harris
- School of Chemical Engineering, Purdue University, 480 W Stadium Ave, West Lafayette, IN, 47907, USA
| | - Shohreh Hemmati
- School of Chemical Engineering, Oklahoma State University, 420 Engineering North, Stillwater, OK, 74078, USA
| | - Kevin V Solomon
- Agricultural & Biological Engineering, Purdue University, 225 S University St, West Lafayette, IN, 47907, USA
- Laboratory of Renewable Resources Engineering (LORRE), Purdue University, 500 Central Drive, West Lafayette, IN, 47907, USA
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16
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Jablonski M, Poghossian A, Severins R, Keusgen M, Wege C, Schöning MJ. Capacitive Field-Effect Biosensor Studying Adsorption of Tobacco Mosaic Virus Particles. Micromachines (Basel) 2021; 12:57. [PMID: 33418949 DOI: 10.3390/mi12010057] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 12/18/2020] [Accepted: 12/23/2020] [Indexed: 12/15/2022]
Abstract
Plant virus-like particles, and in particular, tobacco mosaic virus (TMV) particles, are increasingly being used in nano- and biotechnology as well as for biochemical sensing purposes as nanoscaffolds for the high-density immobilization of receptor molecules. The sensitive parameters of TMV-assisted biosensors depend, among others, on the density of adsorbed TMV particles on the sensor surface, which is affected by both the adsorption conditions and surface properties of the sensor. In this work, Ta2O5-gate field-effect capacitive sensors have been applied for the label-free electrical detection of TMV adsorption. The impact of the TMV concentration on both the sensor signal and the density of TMV particles adsorbed onto the Ta2O5-gate surface has been studied systematically by means of field-effect and scanning electron microscopy methods. In addition, the surface density of TMV particles loaded under different incubation times has been investigated. Finally, the field-effect sensor also demonstrates the label-free detection of penicillinase immobilization as model bioreceptor on TMV particles.
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17
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Poghossian A, Schöning MJ. Capacitive Field-Effect EIS Chemical Sensors and Biosensors: A Status Report. Sensors (Basel) 2020; 20:s20195639. [PMID: 33023133 PMCID: PMC7584023 DOI: 10.3390/s20195639] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 09/21/2020] [Accepted: 09/29/2020] [Indexed: 02/07/2023]
Abstract
Electrolyte-insulator-semiconductor (EIS) field-effect sensors belong to a new generation of electronic chips for biochemical sensing, enabling a direct electronic readout. The review gives an overview on recent advances and current trends in the research and development of chemical sensors and biosensors based on the capacitive field-effect EIS structure—the simplest field-effect device, which represents a biochemically sensitive capacitor. Fundamental concepts, physicochemical phenomena underlying the transduction mechanism and application of capacitive EIS sensors for the detection of pH, ion concentrations, and enzymatic reactions, as well as the label-free detection of charged molecules (nucleic acids, proteins, and polyelectrolytes) and nanoparticles, are presented and discussed.
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Affiliation(s)
- Arshak Poghossian
- MicroNanoBio, Liebigstr. 4, 40479 Düsseldorf, Germany
- Correspondence: (A.P.); (M.J.S.)
| | - Michael J. Schöning
- Institute of Nano- and Biotechnologies (INB), FH Aachen, Campus Jülich, Heinrich-Mußmannstr. 1, 52428 Jülich, Germany
- Correspondence: (A.P.); (M.J.S.)
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18
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Müller-Renno C, Rink V, Ani M, Braun M, Boonrod K, Krczal G, Ziegler C. Bottom-up assembly of a bilayer structure of icosahedral viral nanoparticles. Biointerphases 2020; 15:041009. [PMID: 32752605 DOI: 10.1116/6.0000267] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The development of 2D and 3D structures on the nanoscale containing viral nanoparticles (VNPs) as interesting nanobuilding blocks has come into focus for a bottom-up approach as an alternative to the top-down approach in nanobiotechnology. Our research has focused on the plant Tomato Bushy Stunt Virus (TBSV). In a previous study, we reported the impact of the pH value on the 2D assembly of viral monolayers. Here, we extend these studies into the third dimension by using specific interactions between the layers in combination with selective side chains on the viral capsid. The virus bilayer structure is prepared by an alternating deposition of His-tagged TBSV (4D6H-TBSV, first layer), Ni-NTA nanogold (second layer) complexes and 4D6H-TBSV, respectively, and 6D-TBSV (6xaspartic acid TBSV) as the third layer, i.e., the second layer of VNPs. The formed layer structures were imaged by using scanning force and scanning electron microscopy. The data show that a virus bilayer structure was successfully built up by means of the interaction between Ni-NTA nanogold and histidine. By comparing 4D6H- with 6D-TBSV in the third layer, the importance of these specific interactions is shown. This work paves the way for 3D nanodevices based on VNPs.
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19
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Kharewal T, Verma N, Gahlaut A, Hooda V. Biosensors for penicillin quantification: a comprehensive review. Biotechnol Lett 2020; 42:1829-46. [DOI: 10.1007/s10529-020-02970-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2020] [Accepted: 07/13/2020] [Indexed: 12/21/2022]
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20
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Kuru CI, Ulucan F, Kuşat K, Akgöl S. A model study by using polymeric molecular imprinting nanomaterials for removal of penicillin G. Environ Monit Assess 2020; 192:367. [PMID: 32415329 DOI: 10.1007/s10661-020-08294-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2019] [Accepted: 04/14/2020] [Indexed: 06/11/2023]
Abstract
We aimed to develop a molecularly imprinted polymeric systems with using penicillin G as a template molecule for removal of the antibiotic residues from environmental samples. Firstly, Pen-G-imprinted poly (2-hydroxyethyl methacrylate-N-methacryloyl-L-alanine) [p(HEMA-MAAL)] nanopolymers were synthesized by surfactant-free emulsion polymerization method. Then, template molecule (Pen-G) was extracted from nanopolymers. Synthesized nanopolymers were characterized by different methods such as Fourier-transform infrared spectroscopy (FTIR), elemental and zeta-size analysis, scanning electron microscope (SEM), and surface area calculations. Nanopolymers have 60.38 nm average size and 1034.22 m2/g specific surface area. System parameters on Pen-G adsorption onto Pen-G imprint nanopolymers were investigated at different conditions. The specific adsorption value (Qmax) of molecularly impirinted p(HEMA-MAAL) nanopolymers was found 71.91 g/g for Pen-G in 5 mg/mL Pen-G initial concentration. Pen-G adsorption of molecularly imprinted nanopolymers was 15 times more than non-imprinted polymer. It is shown that obtained p(HEMA-MAAL) nanopolymer was a reuseable product which protected its adsorption capacity of 98.9% after 5th adsorption-desorption cycle. In conclusion, we suggest a method to develop a nanostructure, selective, low-cost molecularly imprinted polymeric systems with using penicillin G as a template molecule for removal of the antibiotic residues.
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Affiliation(s)
- Cansu Ilke Kuru
- Department of Biochemistry, Ege University Faculty of Science, Izmir, Turkey
| | - Fulden Ulucan
- Department of Biochemistry, Ege University Faculty of Science, Izmir, Turkey
| | - Kevser Kuşat
- Turkish Health of Ministry, Turkish Medicines and Medical Devices Agency, Ankara, Turkey
| | - Sinan Akgöl
- Department of Biochemistry, Ege University Faculty of Science, Izmir, Turkey.
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21
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Poghossian A, Jablonski M, Molinnus D, Wege C, Schöning MJ. Field-Effect Sensors for Virus Detection: From Ebola to SARS-CoV-2 and Plant Viral Enhancers. Front Plant Sci 2020; 11:598103. [PMID: 33329662 PMCID: PMC7732584 DOI: 10.3389/fpls.2020.598103] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2020] [Accepted: 10/26/2020] [Indexed: 05/06/2023]
Abstract
Coronavirus disease 2019 (COVID-19) is a novel human infectious disease provoked by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Currently, no specific vaccines or drugs against COVID-19 are available. Therefore, early diagnosis and treatment are essential in order to slow the virus spread and to contain the disease outbreak. Hence, new diagnostic tests and devices for virus detection in clinical samples that are faster, more accurate and reliable, easier and cost-efficient than existing ones are needed. Due to the small sizes, fast response time, label-free operation without the need for expensive and time-consuming labeling steps, the possibility of real-time and multiplexed measurements, robustness and portability (point-of-care and on-site testing), biosensors based on semiconductor field-effect devices (FEDs) are one of the most attractive platforms for an electrical detection of charged biomolecules and bioparticles by their intrinsic charge. In this review, recent advances and key developments in the field of label-free detection of viruses (including plant viruses) with various types of FEDs are presented. In recent years, however, certain plant viruses have also attracted additional interest for biosensor layouts: Their repetitive protein subunits arranged at nanometric spacing can be employed for coupling functional molecules. If used as adapters on sensor chip surfaces, they allow an efficient immobilization of analyte-specific recognition and detector elements such as antibodies and enzymes at highest surface densities. The display on plant viral bionanoparticles may also lead to long-time stabilization of sensor molecules upon repeated uses and has the potential to increase sensor performance substantially, compared to conventional layouts. This has been demonstrated in different proof-of-concept biosensor devices. Therefore, richly available plant viral particles, non-pathogenic for animals or humans, might gain novel importance if applied in receptor layers of FEDs. These perspectives are explained and discussed with regard to future detection strategies for COVID-19 and related viral diseases.
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Affiliation(s)
| | - Melanie Jablonski
- Institute of Nano- and Biotechnologies, FH Aachen University of Applied Sciences, Jülich, Germany
- Institute of Pharmaceutical Chemistry, Philipps-University Marburg, Marburg, Germany
| | - Denise Molinnus
- Institute of Nano- and Biotechnologies, FH Aachen University of Applied Sciences, Jülich, Germany
| | - Christina Wege
- Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, Stuttgart, Germany
- *Correspondence: Christina Wege,
| | - Michael J. Schöning
- Institute of Nano- and Biotechnologies, FH Aachen University of Applied Sciences, Jülich, Germany
- Institute of Complex Systems (ICS-8), Research Centre Jülich GmbH, Jülich, Germany
- Michael J. Schöning,
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22
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Mohammad-Razdari A, Ghasemi-Varnamkhasti M, Izadi Z, Ensafi AA, Rostami S, Siadat M. An impedimetric aptasensor for ultrasensitive detection of Penicillin G based on the use of reduced graphene oxide and gold nanoparticles. Mikrochim Acta 2019; 186:372. [PMID: 31123905 DOI: 10.1007/s00604-019-3510-x] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Accepted: 05/14/2019] [Indexed: 12/11/2022]
Abstract
The authors describe an impedimetric aptasensor for Penicillin G (PEN) which is an important antibiotic. The method is based on the use of a pencil graphite electrode (PGE) modified with reduced graphene oxide (RGO) and gold nanoparticles (GNPs) for ultrasensitive detection of PEN. The morphology of a bare PGE, RGO/PGE, and GNP/RGO/PGE, and the functional groups on graphene oxide (GO) and RGO were studied using scanning electron microscopy and Fourier transform infrared spectroscopy. Electrochemical impedance spectroscopy was used for detection of PEN by measuring the charge transfer resistance (Rct). Also, cyclic voltammetry was recorded at potential range of 0.30 to +0.70 V for PGE treatment. This aptamer-based assay has a wide linear range that extends from 1.0 fM to 10 μM, and a limit of detection as low as 0.8 fM. The method was applied to the determination of PEN in spiked milk from cow, sheep, goat and water buffalo. Recoveries ranged from 92% to 104%. The assay is fast, ultrasensitive, high reproducible, and selective over antibiotics such as streptomycin, tetracycline, and sulfadiazine. Graphical abstract Schematic presentation of an impedimetric aptasensor for Penicillin G antibiotic using a pencil graphite electrode (PGE) modified with reduced graphene oxide (RGO) and gold nanoparticles (GNPs). This aptamer based assay has limit of detection as low as 0.8 fM.
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Torbensen K, Patel AN, Anne A, Chovin A, Demaille C, Bataille L, Michon T, Grelet E. Immuno-Based Molecular Scaffolding of Glucose Dehydrogenase and Ferrocene Mediator on fd Viral Particles Yields Enhanced Bioelectrocatalysis. ACS Catal 2019. [DOI: 10.1021/acscatal.9b01263] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Kristian Torbensen
- Laboratoire d’Electrochimie Moléculaire, Université Paris Diderot, Sorbonne Paris Cité, Unité Mixte de Recherche Université − UMR 7591 CNRS, Bâtiment Lavoisier, 15 Rue Jean-Antoine de Baïf, 75205 CEDEX 13 Paris, France
| | - Anisha N. Patel
- Laboratoire d’Electrochimie Moléculaire, Université Paris Diderot, Sorbonne Paris Cité, Unité Mixte de Recherche Université − UMR 7591 CNRS, Bâtiment Lavoisier, 15 Rue Jean-Antoine de Baïf, 75205 CEDEX 13 Paris, France
| | - Agnès Anne
- Laboratoire d’Electrochimie Moléculaire, Université Paris Diderot, Sorbonne Paris Cité, Unité Mixte de Recherche Université − UMR 7591 CNRS, Bâtiment Lavoisier, 15 Rue Jean-Antoine de Baïf, 75205 CEDEX 13 Paris, France
| | - Arnaud Chovin
- Laboratoire d’Electrochimie Moléculaire, Université Paris Diderot, Sorbonne Paris Cité, Unité Mixte de Recherche Université − UMR 7591 CNRS, Bâtiment Lavoisier, 15 Rue Jean-Antoine de Baïf, 75205 CEDEX 13 Paris, France
| | - Christophe Demaille
- Laboratoire d’Electrochimie Moléculaire, Université Paris Diderot, Sorbonne Paris Cité, Unité Mixte de Recherche Université − UMR 7591 CNRS, Bâtiment Lavoisier, 15 Rue Jean-Antoine de Baïf, 75205 CEDEX 13 Paris, France
| | - Laure Bataille
- UMR 1332 Biologie du Fruit et Pathologie, INRA, Université de Bordeaux, 71, Avenue Edouard Bourlaux, CS 20032-33882 CEDEX Villenave d’Ornon, France
| | - Thierry Michon
- UMR 1332 Biologie du Fruit et Pathologie, INRA, Université de Bordeaux, 71, Avenue Edouard Bourlaux, CS 20032-33882 CEDEX Villenave d’Ornon, France
| | - Eric Grelet
- Centre de Recherche Paul-Pascal, UMR 5031 CNRS, Université de Bordeaux, 115 Avenue Schweitzer, 33600 Pessac, France
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Abstract
Ever since its initial characterization in the 19th century, tobacco mosaic virus (TMV) has played a prominent role in the development of modern virology and molecular biology. In particular, research on the three-dimensional structure of the virus particles and the mechanism by which these assemble from their constituent protein and RNA components has made TMV a paradigm for our current view of the morphogenesis of self-assembling structures, including viral particles. More recently, this knowledge has been applied to the development of novel reagents and structures for applications in biomedicine and bionanotechnology. In this article, we review how fundamental science has led to TMV being at the vanguard of these new technologies.
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Affiliation(s)
| | - Christina Wege
- Department of Molecular Biology and Plant Virology, Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, Stuttgart, Germany
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25
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Poghossian A, Jablonski M, Koch C, Bronder TS, Rolka D, Wege C, Schöning MJ. Field-effect biosensor using virus particles as scaffolds for enzyme immobilization. Biosens Bioelectron 2018; 110:168-174. [DOI: 10.1016/j.bios.2018.03.036] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2018] [Revised: 03/01/2018] [Accepted: 03/16/2018] [Indexed: 11/27/2022]
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