1
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Podunavac I, Kukkar M, Léguillier V, Rizzotto F, Pavlovic Z, Janjušević L, Costache V, Radonic V, Vidic J. Low-cost goldleaf electrode as a platform for Escherichia coli immunodetection. Talanta 2023; 259:124557. [PMID: 37080072 DOI: 10.1016/j.talanta.2023.124557] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 04/06/2023] [Accepted: 04/12/2023] [Indexed: 04/22/2023]
Abstract
Gold electrodes are one of most prevalent substrates in electrochemical biosensors because they can be easily and highly efficiently functionalized with thiolated biomolecules. However, conventional methods to fabricate gold electrodes are costly, time-consuming and require onerous equipment. Here, an affordable method for rapid fabrication of an electrochemical immunosensor for Escherichia coli detection is presented. The gold electrode was generated using 24-karat gold leaves and lowcost polyvinyl chloride adhesive sheets covered with an insulating PTFE layer. The goldleaf electrode (GLE) was patterned using laser ablation and characterized by cyclic voltammetry, electrochemical impedance spectroscopy, scanning electronic microscopy, contact angle and 3D profiling. The GLEs were modified by a self-assembled mercaptopropionic monolayer, followed by surface activation to allow binding of the specific anti-E. coli antibody via carbodiimide linking. The biosensor showed a detection limit of 2 CFU/mL and a linear dynamic range of 10-107 CFU/mL for E. coli cells. No false positive signals were obtained from control bacteria. The obtained results demonstrated suitability of GLE for use in biosensors with high reliability and reproducibility. It is foreseeable that our work will inspire design of point-of-need biosensors broadly applicable in low-resource settings.
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Affiliation(s)
- Ivana Podunavac
- University of Novi Sad, BioSense Institute, 21000 Novi Sad, Serbia
| | - Manil Kukkar
- University of Novi Sad, BioSense Institute, 21000 Novi Sad, Serbia
| | - Vincent Léguillier
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, UMR 1319, 78350 Jouy-en-Josas, France
| | - Francesco Rizzotto
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, UMR 1319, 78350 Jouy-en-Josas, France
| | - Zoran Pavlovic
- University of Novi Sad, BioSense Institute, 21000 Novi Sad, Serbia
| | | | - Vlad Costache
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, UMR 1319, 78350 Jouy-en-Josas, France; MIMA2 Imaging Core Facility, Microscopie et Imagerie des Microorganismes, Animaux et Aliments, INRAE, 78350, Jouy-en-Josas, France
| | - Vasa Radonic
- University of Novi Sad, BioSense Institute, 21000 Novi Sad, Serbia.
| | - Jasmina Vidic
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, UMR 1319, 78350 Jouy-en-Josas, France.
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2
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Nguyen-Dang T, Chae S, Harrison K, Llanes LC, Yi A, Kim HJ, Biswas S, Visell Y, Bazan GC, Nguyen TQ. Efficient Fabrication of Organic Electrochemical Transistors via Wet Chemical Processing. ACS APPLIED MATERIALS & INTERFACES 2022; 14:12469-12478. [PMID: 35230814 DOI: 10.1021/acsami.1c23626] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
A wet processing method to fabricate high-performance organic electrochemical transistors (OECTs) is reported. Wet chemical processing enables a simple and reliable patterning step, substituting several complex and expensive cleanroom procedures in the fabrication of OECTs. We fabricate depletion-mode OECTs based on poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) and enhancement-mode OECTs based on a conjugated polyelectrolyte PCPDTBT-SO3K on rigid and flexible substrates using this wet processing method. We show that the wet chemical processing step can also serve as a chemical treatment to enhance the electrical properties of the active material in OECTs. To highlight the potential of the fabrication process in applications, a transistor-based chemical sensor is demonstrated, capable of detecting methylene blue, a popular redox reporter in biodetection and immunoassays, with good detectivity. Given the tremendous potential of OECTs in emerging technologies such as biosensing and neuromorphic computing, this simple fabrication process established herein will render the OECT platform more accessible for research and applications.
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Affiliation(s)
- Tung Nguyen-Dang
- Center for Polymer and Organic Solids, University of California, Santa Barbara, California 93106, United States
| | - Sangmin Chae
- Center for Polymer and Organic Solids, University of California, Santa Barbara, California 93106, United States
| | - Kelsey Harrison
- Center for Polymer and Organic Solids, University of California, Santa Barbara, California 93106, United States
| | - Luana C Llanes
- Center for Polymer and Organic Solids, University of California, Santa Barbara, California 93106, United States
| | - Ahra Yi
- Department of Organic Material Science and Engineering, School of Chemical Engineering, Pusan National University, Busan 46241, Republic of Korea
| | - Hyo Jung Kim
- Department of Organic Material Science and Engineering, School of Chemical Engineering, Pusan National University, Busan 46241, Republic of Korea
| | - Shantonu Biswas
- California Nanosystems Institute, University of California, Santa Barbara, California 93106, United States
| | - Yon Visell
- California Nanosystems Institute, University of California, Santa Barbara, California 93106, United States
| | - Guillermo C Bazan
- Center for Polymer and Organic Solids, University of California, Santa Barbara, California 93106, United States
| | - Thuc-Quyen Nguyen
- Center for Polymer and Organic Solids, University of California, Santa Barbara, California 93106, United States
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3
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Bong JH, Park JH, Sung JS, Lee CK, Lee GY, Kang MJ, Kim HO, Pyun JC. Rapid Analysis of Bacterial Contamination in Platelets without Pre-Enrichment Using Pig Serum-Derived Antibodies. ACS APPLIED BIO MATERIALS 2021; 4:7779-7789. [DOI: 10.1021/acsabm.1c00538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ji-Hong Bong
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-Ro, Seodaemun-Gu, Seoul 03722, Korea
| | - Jun-Hee Park
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-Ro, Seodaemun-Gu, Seoul 03722, Korea
| | - Jeong Soo Sung
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-Ro, Seodaemun-Gu, Seoul 03722, Korea
| | - Chang Kyu Lee
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-Ro, Seodaemun-Gu, Seoul 03722, Korea
| | - Ga-Yeon Lee
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-Ro, Seodaemun-Gu, Seoul 03722, Korea
| | - Min-Jung Kang
- Korea Institute of Science and Technology (KIST), Seoul 02792, Korea
| | - Hyun Ok Kim
- Department of Laboratory Medicine, Yonsei University College of Medicine, Seoul 03722, Korea
| | - Jae-Chul Pyun
- Department of Materials Science and Engineering, Yonsei University, 50 Yonsei-Ro, Seodaemun-Gu, Seoul 03722, Korea
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4
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Bobrinetskiy I, Radovic M, Rizzotto F, Vizzini P, Jaric S, Pavlovic Z, Radonic V, Nikolic MV, Vidic J. Advances in Nanomaterials-Based Electrochemical Biosensors for Foodborne Pathogen Detection. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:2700. [PMID: 34685143 PMCID: PMC8538910 DOI: 10.3390/nano11102700] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 10/07/2021] [Accepted: 10/09/2021] [Indexed: 12/26/2022]
Abstract
Electrochemical biosensors utilizing nanomaterials have received widespread attention in pathogen detection and monitoring. Here, the potential of different nanomaterials and electrochemical technologies is reviewed for the development of novel diagnostic devices for the detection of foodborne pathogens and their biomarkers. The overview covers basic electrochemical methods and means for electrode functionalization, utilization of nanomaterials that include quantum dots, gold, silver and magnetic nanoparticles, carbon nanomaterials (carbon and graphene quantum dots, carbon nanotubes, graphene and reduced graphene oxide, graphene nanoplatelets, laser-induced graphene), metal oxides (nanoparticles, 2D and 3D nanostructures) and other 2D nanomaterials. Moreover, the current and future landscape of synergic effects of nanocomposites combining different nanomaterials is provided to illustrate how the limitations of traditional technologies can be overcome to design rapid, ultrasensitive, specific and affordable biosensors.
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Affiliation(s)
- Ivan Bobrinetskiy
- BioSense Institute, University of Novi Sad, 21102 Novi Sad, Serbia; (I.B.); (M.R.); (S.J.); (Z.P.); (V.R.)
| | - Marko Radovic
- BioSense Institute, University of Novi Sad, 21102 Novi Sad, Serbia; (I.B.); (M.R.); (S.J.); (Z.P.); (V.R.)
| | - Francesco Rizzotto
- Micalis Institute, INRAE, AgroParisTech, Université Paris-Saclay, 78350 Jouy-en-Josas, France;
| | - Priya Vizzini
- Department of Agriculture Food, Environmental and Animal Sciences, University of Udine, 33100 Udine, Italy;
| | - Stefan Jaric
- BioSense Institute, University of Novi Sad, 21102 Novi Sad, Serbia; (I.B.); (M.R.); (S.J.); (Z.P.); (V.R.)
| | - Zoran Pavlovic
- BioSense Institute, University of Novi Sad, 21102 Novi Sad, Serbia; (I.B.); (M.R.); (S.J.); (Z.P.); (V.R.)
| | - Vasa Radonic
- BioSense Institute, University of Novi Sad, 21102 Novi Sad, Serbia; (I.B.); (M.R.); (S.J.); (Z.P.); (V.R.)
| | - Maria Vesna Nikolic
- Institute for Multidisciplinary Research, University of Belgrade, 11030 Belgrade, Serbia
| | - Jasmina Vidic
- Micalis Institute, INRAE, AgroParisTech, Université Paris-Saclay, 78350 Jouy-en-Josas, France;
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5
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Liu H, Zhong W, Zhang X, Lin D, Wu J. Nanomedicine as a promising strategy for the theranostics of infectious diseases. J Mater Chem B 2021; 9:7878-7908. [PMID: 34611689 DOI: 10.1039/d1tb01316e] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Infectious diseases caused by bacteria, viruses, and fungi and their global spread pose a great threat to human health. The 2019 World Health Organization report predicted that infection-related mortality will be similar to cancer mortality by 2050. Particularly, the global cumulative numbers of the recent outbreak of coronavirus disease (COVID-19) have reached 110.7 million cases and over 2.4 million deaths as of February 23, 2021. Moreover, the crisis of these infectious diseases exposes the many problems of traditional diagnosis, treatment, and prevention, such as time-consuming and unselective detection methods, the emergence of drug-resistant bacteria, serious side effects, and poor drug delivery. There is an urgent need for rapid and sensitive diagnosis as well as high efficacy and low toxicity treatments. The emergence of nanomedicine has provided a promising strategy to greatly enhance detection methods and drug treatment efficacy. Owing to their unique optical, magnetic, and electrical properties, nanoparticles (NPs) have great potential for the fast and selective detection of bacteria, viruses, and fungi. NPs exhibit remarkable antibacterial activity by releasing reactive oxygen species and metal ions, exerting photothermal effects, and causing destruction of the cell membrane. Nano-based delivery systems can further improve drug permeability, reduce the side effects of drugs, and prolong systemic circulation time and drug half-life. Moreover, effective drugs against COVID-19 are still lacking. Recently, nanomedicine has shown great potential to accelerate the development of safe and novel anti-COVID-19 drugs. This article reviews the fundamental mechanisms and the latest developments in the treatment and diagnosis of bacteria, viruses, and fungi and discusses the challenges and perspectives in the application of nanomedicine.
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Affiliation(s)
- Hengyu Liu
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China.
| | - Wenhao Zhong
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China.
| | - Xinyu Zhang
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China.
| | - Dongjun Lin
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China.
| | - Jun Wu
- Department of Hematology, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China. .,School of Biomedical Engineering, Sun Yat-sen University, Guangzhou 510006, China
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6
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Sheikhzadeh E, Beni V, Zourob M. Nanomaterial application in bio/sensors for the detection of infectious diseases. Talanta 2021; 230:122026. [PMID: 33934756 PMCID: PMC7854185 DOI: 10.1016/j.talanta.2020.122026] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 12/14/2020] [Accepted: 12/15/2020] [Indexed: 02/07/2023]
Abstract
Infectious diseases are a potential risk for public health and the global economy. Fast and accurate detection of the pathogens that cause these infections is important to avoid the transmission of the diseases. Conventional methods for the detection of these microorganisms are time-consuming, costly, and not applicable for on-site monitoring. Biosensors can provide a fast, reliable, and point of care diagnostic. Nanomaterials, due to their outstanding electrical, chemical, and optical features, have become key players in the area of biosensors. This review will cover different nanomaterials that employed in electrochemical, optical, and instrumental biosensors for infectious disease diagnosis and how these contributed to enhancing the sensitivity and rapidity of the various sensing platforms. Examples of nanomaterial synthesis methods as well as a comprehensive description of their properties are explained. Moreover, when available, comparative data, in the presence and absence of the nanomaterials, have been reported to further highlight how the usage of nanomaterials enhances the performances of the sensor.
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Affiliation(s)
- Elham Sheikhzadeh
- Department of Chemistry, Faculty of Science, Ferdowsi University of Mashhad, Mashhad, Iran,Corresponding author
| | - Valerio Beni
- Digital Systems, Department Smart Hardware, Unit Bio–& Organic Electronics, RISE Acreo, Research Institutes of Sweden, Norrkoping, 60221, Sweden
| | - Mohammed Zourob
- Department of Chemistry, Alfaisal University, Al Zahrawi Street, Al Maather, Al Takhassusi Road, Riyadh, 11533, Saudi Arabia,King Faisal Specialist Hospital and Research Center, Zahrawi Street, Al Maather, Riyadh, 12713, Saudi Arabia,Corresponding author. Department of Chemistry, Alfaisal University, Al Zahrawi Street, Al Maather, Al Takhassusi Road, Riyadh, 11533, Saudi Arabia
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7
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Vizzini P, Manzano M, Farre C, Meylheuc T, Chaix C, Ramarao N, Vidic J. Highly sensitive detection of Campylobacter spp. In chicken meat using a silica nanoparticle enhanced dot blot DNA biosensor. Biosens Bioelectron 2021; 171:112689. [DOI: 10.1016/j.bios.2020.112689] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 09/21/2020] [Accepted: 10/04/2020] [Indexed: 10/23/2022]
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8
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Farre C, Viezzi S, Wright A, Robin P, Lejal N, Manzano M, Vidic J, Chaix C. Specific and sensitive detection of Influenza A virus using a biotin-coated nanoparticle enhanced immunomagnetic assay. Anal Bioanal Chem 2020; 414:265-276. [PMID: 33230699 PMCID: PMC7682758 DOI: 10.1007/s00216-020-03081-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 11/04/2020] [Accepted: 11/17/2020] [Indexed: 10/27/2022]
Abstract
This study reports the development of a sensitive magnetic bead-based enzyme-linked immunoassay (MELISA) for the pan-reactive detection of the Influenza A virus. The assay combines immunomagnetic beads and biotin-nanoparticle-based detection to quantify a highly conserved viral nucleoprotein in virus lysates. At the capture step, monoclonal antibody-coated magnetic microbeads were used to bind and concentrate the nucleoprotein in samples. The colorimetric detection signal was amplified using biotinylated silica nanoparticles (NP). These nanoparticles were functionalized on the surface with short DNA spacers bearing biotin groups by an automated supported synthesis method performed on nano-on-micro assemblies with a DNA/RNA synthesizer. A biotin-nanoparticle and immunomagnetic bead-based assay was developed. We succeeded in detecting Influenza A viruses directly in the lysis buffer supplemented with 10% saliva to simulate the clinical context. The biotin-nanoparticle amplification step enabled detection limits as low as 3 × 103 PFU mL-1 and 4 × 104 PFU mL-1 to be achieved for the H1N1 and H3N2 strains respectively. In contrast, a classical ELISA test based on the same antibody sandwich showed detection limit of 1.2 × 107 PFU mL-1 for H1N1. The new enhanced MELISA proved to be specific, as no cross-reactivity was found with a porcine respiratory virus (PRRSV). Graphical abstract.
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Affiliation(s)
- Carole Farre
- Université de Lyon, CNRS, Université Claude Bernard Lyon 1, Institut des Sciences Analytiques, UMR 5280, 5 rue de la Doua, 69100, Villeurbanne, France
| | - Sara Viezzi
- Université de Lyon, CNRS, Université Claude Bernard Lyon 1, Institut des Sciences Analytiques, UMR 5280, 5 rue de la Doua, 69100, Villeurbanne, France.,Dipartimento di Scienze Agro-Alimentari, Ambientali e Animali, Università degli Studi di Udine, via Sondrio 2/A, 33100, Udine, Italy
| | - Alice Wright
- Université de Lyon, CNRS, Université Claude Bernard Lyon 1, Institut des Sciences Analytiques, UMR 5280, 5 rue de la Doua, 69100, Villeurbanne, France
| | - Perrine Robin
- Université de Lyon, CNRS, Université Claude Bernard Lyon 1, Institut des Sciences Analytiques, UMR 5280, 5 rue de la Doua, 69100, Villeurbanne, France
| | - Nathalie Lejal
- Université Paris-Saclay, UR892, INRAE, 78350, Jouy-en-Josas, France
| | - Marisa Manzano
- Dipartimento di Scienze Agro-Alimentari, Ambientali e Animali, Università degli Studi di Udine, via Sondrio 2/A, 33100, Udine, Italy
| | - Jasmina Vidic
- Université Paris-Saclay, INRAE, AgroParisTech, Micalis Institute, 78350, Jouy-en-Josas, France
| | - Carole Chaix
- Université de Lyon, CNRS, Université Claude Bernard Lyon 1, Institut des Sciences Analytiques, UMR 5280, 5 rue de la Doua, 69100, Villeurbanne, France.
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9
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Alafeef M, Moitra P, Pan D. Nano-enabled sensing approaches for pathogenic bacterial detection. Biosens Bioelectron 2020; 165:112276. [PMID: 32729465 DOI: 10.1016/j.bios.2020.112276] [Citation(s) in RCA: 52] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 04/30/2020] [Accepted: 05/04/2020] [Indexed: 01/16/2023]
Abstract
Infectious diseases caused by pathogenic bacteria, especially antibiotic-resistant bacteria, are one of the biggest threats to global health. To date, bacterial contamination is detected using conventional culturing techniques, which are highly dependent on expert users, limited by the processing time and on-site availability. Hence, real-time and continuous monitoring of pathogen levels is required to obtain valuable information that could assist health agencies in guiding prevention and containment of pathogen-related outbreaks. Nanotechnology-based smart sensors are opening new avenues for early and rapid detection of such pathogens at the patient's point-of-care. Nanomaterials can play an essential role in bacterial sensing owing to their unique optical, magnetic, and electrical properties. Carbon nanoparticles, metallic nanoparticles, metal oxide nanoparticles, and various types of nanocomposites are examples of smart nanomaterials that have drawn intense attention in the field of microbial detection. These approaches, together with the advent of modern technologies and coupled with machine learning and wireless communication, represent the future trend in the diagnosis of infectious diseases. This review provides an overview of the recent advancements in the successful harnessing of different nanoparticles for bacterial detection. In the beginning, we have introduced the fundamental concepts and mechanisms behind the design and strategies of the nanoparticles-based diagnostic platform. Representative research efforts are highlighted for in vitro and in vivo detection of bacteria. A comprehensive discussion is then presented to cover the most commonly adopted techniques for bacterial identification, including some seminal studies to detect bacteria at the single-cell level. Finally, we discuss the current challenges and a prospective outlook on the field, together with the recommended solutions.
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Affiliation(s)
- Maha Alafeef
- Bioengineering Department, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, United States; Biomedical Engineering Department, Jordan University of Science and Technology, Irbid, 22110, Jordan; Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland Baltimore School of Medicine, 670 W Baltimore St., Baltimore, MD, 21201, United States
| | - Parikshit Moitra
- Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland Baltimore School of Medicine, 670 W Baltimore St., Baltimore, MD, 21201, United States; Department of Pediatrics, University of Maryland Baltimore School of Medicine, 670 W Baltimore St., Baltimore, MD, 21201, United States
| | - Dipanjan Pan
- Bioengineering Department, University of Illinois at Urbana-Champaign, Urbana, IL, 61801, United States; Department of Diagnostic Radiology and Nuclear Medicine, University of Maryland Baltimore School of Medicine, 670 W Baltimore St., Baltimore, MD, 21201, United States; Department of Pediatrics, University of Maryland Baltimore School of Medicine, 670 W Baltimore St., Baltimore, MD, 21201, United States; Department of Chemical, Biochemical and Environmental Engineering, University of Maryland Baltimore County, 1000 Hiltop Circle, Baltimore, MD, 21250, United States.
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10
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Huo B, Hu Y, Gao Z, Li G. Recent advances on functional nucleic acid-based biosensors for detection of food contaminants. Talanta 2020; 222:121565. [PMID: 33167261 DOI: 10.1016/j.talanta.2020.121565] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 08/17/2020] [Accepted: 08/19/2020] [Indexed: 02/06/2023]
Abstract
It has seen increasing development of reliable, robust, and flexible biosensors for rapid food-safety analysis in the past few decades. Recently, functional nucleic acid-based biosensors have attracted attention because of their programmability, bottom-up characteristics, and structural switches. However, few systematic reviews devoted to categorizing the potential of DNA nanostructures and devices were found for detecting food contaminants. Hence, the applications of functional nucleic acid-based biosensors were reviewed for analyzing food contaminants, including foodborne pathogen bacteria, biotoxins, heavy metals, and et al. In addition to categorizing the various biosensors, multiple signal readout strategies, such as optical, electrochemical, and mass-based signals were also examined. Finally, the future changes and potential opportunities, as well as practical applications of functional nucleic acid-based biosensors were discussed.
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Affiliation(s)
- Bingyang Huo
- School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, China
| | - Yuling Hu
- School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, China
| | - Zhixian Gao
- Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China
| | - Gongke Li
- School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, China.
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11
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Zheng S, Li M, Li H, Li C, Li P, Qian L, Yang B. Sandwich-type electrochemical immunosensor for carcinoembryonic antigen detection based on the cooperation of a gold-vertical graphene electrode and gold@silica-methylene blue. J Mater Chem B 2019; 8:298-307. [PMID: 31808501 DOI: 10.1039/c9tb01803d] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
In this study, a sandwich-type electrochemical (EC) immunosensor was proposed to detect a carcinoembryonic antigen (CEA) based on Au-graphene and Au@SiO2-methylene blue (MB). The Au nanoparticles (NPs)-vertical graphene (VG) electrode efficiently amplifies the response signal by immobilizing a large amount of the coating antibody (Ab) and is characterized by excellent electrocatalytic activity. The MB nanodot-loaded Au@SiO2 carriers with core-shell nanostructure and detection Ab were used to construct the Ab-Au@SiO2-MB label, which improved the sensitivity due to the high EC signal of MB nanodots and the high labeling effect between the detection Ab and MB probe. A novel double-Ab sandwich strategy was developed to further improve the sensitivity and stability based on the same specificity of the coating and detection Abs for the recognition of CEA. Under optimal conditions, the developed EC sensor exhibited a wide linear range from 1 fg mL-1 to 100 ng mL-1, with an ultralow detection limit of 0.8 fg mL-1 (S/N = 3). The feasibility in the clinical application of the EC sensor was verified by the in vitro detection of CEA in human serum.
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Affiliation(s)
- Siyu Zheng
- Tianjin Key Laboratory of Film Electronic and Communication Devices, School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China.
| | - Mingji Li
- Tianjin Key Laboratory of Film Electronic and Communication Devices, School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China. and Engineering Research Center of Optoelectronic Devices & Communication Technology (Ministry of Education), Tianjin University of Technology, Tianjin 300384, P. R. China
| | - Hongji Li
- Tianjin Key Laboratory of Organic Solar Cells and Photochemical Conversion, School of Chemistry & Chemical Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China.
| | - Cuiping Li
- Tianjin Key Laboratory of Film Electronic and Communication Devices, School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China.
| | - Penghai Li
- Tianjin Key Laboratory of Film Electronic and Communication Devices, School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China.
| | - Lirong Qian
- Tianjin Key Laboratory of Film Electronic and Communication Devices, School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China.
| | - Baohe Yang
- Tianjin Key Laboratory of Film Electronic and Communication Devices, School of Electrical and Electronic Engineering, Tianjin University of Technology, Tianjin 300384, P. R. China.
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12
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Challenges in Electrochemical Aptasensors and Current Sensing Architectures Using Flat Gold Surfaces. CHEMOSENSORS 2019. [DOI: 10.3390/chemosensors7040057] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
In recent years, reagentless aptamer biosensors, named aptasensors, have shown significant advancements. Particularly, electrochemical aptasensors could change the field of biosensors in this era, where digitalization seems to be a common goal of many fields. Biomedical devices are integrating electronic technologies for detecting pathogens, biomolecules, small molecules, and ions, and the physical-chemical properties of nucleic acid aptamers makes them very interesting for these devices. Aptamers can be easily synthesized and functionalized with functional groups for immobilization and with redox chemical groups that allow for the conversion of molecular interactions into electrical signals. Furthermore, non-labeled aptamers have also been utilized. This review presents the current challenges involved in aptasensor architectures based on gold electrodes as transducers.
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13
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Vidic J, Vizzini P, Manzano M, Kavanaugh D, Ramarao N, Zivkovic M, Radonic V, Knezevic N, Giouroudi I, Gadjanski I. Point-of-Need DNA Testing for Detection of Foodborne Pathogenic Bacteria. SENSORS (BASEL, SWITZERLAND) 2019; 19:E1100. [PMID: 30836707 PMCID: PMC6427207 DOI: 10.3390/s19051100] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Revised: 02/27/2019] [Accepted: 02/28/2019] [Indexed: 12/18/2022]
Abstract
Foodborne pathogenic bacteria present a crucial food safety issue. Conventional diagnostic methods are time-consuming and can be only performed on previously produced food. The advancing field of point-of-need diagnostic devices integrating molecular methods, biosensors, microfluidics, and nanomaterials offers new avenues for swift, low-cost detection of pathogens with high sensitivity and specificity. These analyses and screening of food items can be performed during all phases of production. This review presents major developments achieved in recent years in point-of-need diagnostics in land-based sector and sheds light on current challenges in achieving wider acceptance of portable devices in the food industry. Particular emphasis is placed on methods for testing nucleic acids, protocols for portable nucleic acid extraction and amplification, as well as on the means for low-cost detection and read-out signal amplification.
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Affiliation(s)
- Jasmina Vidic
- Micalis Institute, INRA, AgroParisTech, Université Paris-Saclay, 78350 Jouy-en-Josas, France.
| | - Priya Vizzini
- Micalis Institute, INRA, AgroParisTech, Université Paris-Saclay, 78350 Jouy-en-Josas, France.
- Dipartimento di Scienze AgroAlimentari, Ambientali e Animali, Università di Udine, 33100 Udine, Italy.
| | - Marisa Manzano
- Dipartimento di Scienze AgroAlimentari, Ambientali e Animali, Università di Udine, 33100 Udine, Italy.
| | - Devon Kavanaugh
- Micalis Institute, INRA, AgroParisTech, Université Paris-Saclay, 78350 Jouy-en-Josas, France.
| | - Nalini Ramarao
- Micalis Institute, INRA, AgroParisTech, Université Paris-Saclay, 78350 Jouy-en-Josas, France.
| | - Milica Zivkovic
- Institute of Molecular Genetics and Genetic Engineering (IMGGE), University of Belgrade, 11000 Belgrade, Serbia.
| | - Vasa Radonic
- BioSense-Research and Development Institute for Information Technologies in Biosystems, University of Novi Sad, 21000 Novi Sad, Serbia.
| | - Nikola Knezevic
- BioSense-Research and Development Institute for Information Technologies in Biosystems, University of Novi Sad, 21000 Novi Sad, Serbia.
| | - Ioanna Giouroudi
- BioSense-Research and Development Institute for Information Technologies in Biosystems, University of Novi Sad, 21000 Novi Sad, Serbia.
| | - Ivana Gadjanski
- BioSense-Research and Development Institute for Information Technologies in Biosystems, University of Novi Sad, 21000 Novi Sad, Serbia.
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Chatterjee B, Kalyani N, Das S, Anand A, Sharma TK. Nano-realm for point-of-care (POC) bacterial diagnostics. J Microbiol Methods 2019. [DOI: 10.1016/bs.mim.2019.04.001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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