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Thaweeskulchai T, Prempinij W, Schulte A. A 3D printed dual screen-printed electrode separation device for twin electrochemical mini-cell establishment. RSC Adv 2024; 14:30830-30835. [PMID: 39328873 PMCID: PMC11426311 DOI: 10.1039/d4ra05929h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2024] [Accepted: 09/10/2024] [Indexed: 09/28/2024] Open
Abstract
We describe a tiny 3D-printed polymethyl-methacrylate-based plastic sleeve that houses two disposable screen-printed electrodes (SPE) and enables each of the working electrodes (WEs) to work independently, on a different side of a thin barrier, in its own electrochemical (EC) mini-cell, while the SPE counter and reference units are shared for electroanalysis. Optical and EC performance tests proved that the plastic divider between WE1 and WE2 efficiently inhibited solution mixing between the mini-cells. The two neighboring, independently operating mini-cells enabled matched differential measurements in the same sample solution, a tactic designed for elimination of electrochemical interference in complex samples. In a proof-of-principle glucose biosensor trial, a glucose oxidase-modified WE2 and an unmodified WE1 delivered the EC data for the removal of anodic ascorbic acid (AA) interference simply by subtracting the WE1 (background) current from the analyte-specific WE2 current (from buffered sample solution supplemented with glucose/AA), at an anodic H2O2 detection potential of +1 V. The microfabricated SPE accessory is cheap and easy to make and use. For the many dual electrode SPE strips on the market for multiple analytical targets the new device widens the options for their exploitation in assays of biological and environmental samples with complex matrix compositions and significant risks of interference.
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Affiliation(s)
- Thana Thaweeskulchai
- School of Biomolecular Science and Engineering (BSE) of the Vidyasirimedhi Institute of Science and Technology (VISTEC) 21210 Rayong Thailand
| | - Waswan Prempinij
- School of Biomolecular Science and Engineering (BSE) of the Vidyasirimedhi Institute of Science and Technology (VISTEC) 21210 Rayong Thailand
| | - Albert Schulte
- School of Biomolecular Science and Engineering (BSE) of the Vidyasirimedhi Institute of Science and Technology (VISTEC) 21210 Rayong Thailand
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2
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Macedo AA, Arantes LC, Pimentel DM, de Deus Melo T, Magalhães de Almeida Melo L, Alves de Barros W, Rocha CM, de Fátima Â, Pio Dos Santos WT. Comprehensive detection of lysergic acid diethylamide (LSD) in forensic samples using carbon nanotube screen-printed electrodes. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:5837-5845. [PMID: 37874181 DOI: 10.1039/d3ay01385e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2023]
Abstract
Lysergic acid diethylamide (LSD) is a prevalent psychoactive substance recognized for its hallucinogenic properties, often encountered in blotter papers for illicit consumption. Given that LSD ranks among the most widely abused illicit drugs globally, its prompt identification in seized samples is vital for forensic investigations. This study presents, for the first time, an electrochemical screening method for detecting LSD in forensic samples, utilizing a multi-wall carbon nanotube screen-printed electrode (SPE-MWCNT). The LSD detection process was optimized on SPE-MWCNT in a phosphate buffer solution (0.1 mol L-1, pH 12.0) using square wave voltammetry (SWV). The combined use of SPE-MWCNT with SWV displayed robust stability in electrochemical responses for both qualitative (peak potential) and quantitative (peak current) LSD assessment, with a relative standard deviation (RSD) of less than 5% across the same or different electrodes (N = 3). A linear detection range was established between 0.16 and 40.0 μmol L-1 (R2 = 0.998), featuring a low limit of detection (LOD) of 0.05 μmol L-1. Interference studies with twenty-three other substances, including groups of phenethylamines typically found in blotting papers (e.g., NBOHs and NBOMes) and traditional illicit drugs, were performed, revealing a highly selective response for LSD using the proposed method. Consequently, the integration of SPE-MWCNT with SWV offers a robust tool for qualitative and quantitative LSD analysis in forensic applications, providing rapid, sensitive, selective, reproducible, and straightforward preliminary identification in seized samples.
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Affiliation(s)
- Anne Alves Macedo
- Departamento de Química, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Campus JK, Diamantina, 39100000, Minas Gerais, Brazil.
| | - Luciano C Arantes
- Laboratório de Química e Física Forense, Instituto de Criminalística, Polícia Civil do Distrito Federal, 70610-907, Brasília, Distrito Federal, Brazil
| | - Dilton Martins Pimentel
- Laboratório Integrado de Pesquisas do Vale do Jequitinhonha, Pró-Reitoria de Pesquisa e Pós-Graduação, Universidade Federal dos Vales do Jequitinhonha e Mucuri, CampusJK, 39100000 Diamantina, Minas Gerais, Brazil
| | - Tifany de Deus Melo
- Departamento de Farmácia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Campus JK, 39100000, Diamantina, Minas Gerais, Brazil
| | - Larissa Magalhães de Almeida Melo
- Departamento de Química, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Campus JK, Diamantina, 39100000, Minas Gerais, Brazil.
| | - Wellington Alves de Barros
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, 31270-901, Belo Horizonte, Minas Gerais, Brazil
| | - Cláudia Mancilha Rocha
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, 31270-901, Belo Horizonte, Minas Gerais, Brazil
| | - Ângelo de Fátima
- Departamento de Química, Instituto de Ciências Exatas, Universidade Federal de Minas Gerais, 31270-901, Belo Horizonte, Minas Gerais, Brazil
| | - Wallans Torres Pio Dos Santos
- Departamento de Química, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Campus JK, Diamantina, 39100000, Minas Gerais, Brazil.
- Laboratório Integrado de Pesquisas do Vale do Jequitinhonha, Pró-Reitoria de Pesquisa e Pós-Graduação, Universidade Federal dos Vales do Jequitinhonha e Mucuri, CampusJK, 39100000 Diamantina, Minas Gerais, Brazil
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3
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Barbillon G, Cheap-Charpentier H. Advances in Surface-Enhanced Raman Scattering Sensors of Pollutants in Water Treatment. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2417. [PMID: 37686925 PMCID: PMC10489740 DOI: 10.3390/nano13172417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 08/22/2023] [Accepted: 08/23/2023] [Indexed: 09/10/2023]
Abstract
Water scarcity is a world issue, and a solution to address it is the use of treated wastewater. Indeed, in these wastewaters, pollutants such as pharmaceuticals, pesticides, herbicides, and heavy ions can be present at high concentrations. Thus, several analytical techniques were initiated throughout recent years for the detection and quantification of pollutants in different types of water. Among them, the surface-enhanced Raman scattering (SERS) technique was examined due to its high sensitivity and its ability to provide details on the molecular structure. Herein, we summarize the most recent advances (2021-2023) on SERS sensors of pollutants in water treatment. In this context, we present the results obtained with the SERS sensors in terms of detection limits serving as assessment of SERS performances of these sensors for the detection of various pollutants.
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Affiliation(s)
- Grégory Barbillon
- EPF-Ecole d’Ingénieurs, 55 Avenue du Président Wilson, 94230 Cachan, France;
| | - Hélène Cheap-Charpentier
- EPF-Ecole d’Ingénieurs, 55 Avenue du Président Wilson, 94230 Cachan, France;
- Laboratoire Interfaces et Systèmes Electrochimiques, Sorbonne Université, CNRS, UMR 8235, LISE, 4 Place Jussieu, 75005 Paris, France
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4
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HUANG J, XIA L, XIAO X, LI G. [Advances in microchip electrophoresis for the separation and analysis of biological samples]. Se Pu 2023; 41:641-650. [PMID: 37534551 PMCID: PMC10398827 DOI: 10.3724/sp.j.1123.2022.12004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Indexed: 08/04/2023] Open
Abstract
Microchip electrophoresis is a separation technology that involves fluid manipulation in a microchip; the advantages of this technique include high separation efficiency, low sample consumption, and fast and easy multistep integration. Microchip electrophoresis has been widely used to rapidly separate and analyze complex samples in biology and medicine. In this paper, we review the research progress on microchip electrophoresis, explore the fabrication and separation modes of microchip materials, and discuss their applications in the detection and analysis of biological samples. Research on microchip materials can be mainly categorized into chip materials, channel modifications, electrode materials, and electrode integration methods. Microchip materials research involves the development of silicon, glass, polydimethylsiloxane and polymethyl methacrylate-based, and paper electrophoretic materials. Microchannel modification research primarily focuses on the dynamic and static modification methods of microchannels. Although chip materials and fabrication technologies have improved over the years, problems such as high manufacturing costs, long processing time, and short service lives continue to persist. These problems hinder the industrialization of microchip electrophoresis. At present, few static methods for the surface modification of polymer channels are available, and most of them involve a combination of physical adsorption and polymers. Therefore, developing efficient surface modification methods for polymer channels remains a necessary undertaking. In addition, both dynamic and static modifications require the introduction of other chemicals, which may not be conducive to the expansion of subsequent experiments. The materials commonly used in the development of electrodes and processing methods for electrode-microchip integration include gold, platinum, and silver. Microchip electrophoresis can be divided into two modes according to the uniformity of the electric field: uniform and non-uniform. The uniform electric field electrophoresis mode mainly involves micro free-flow electrophoresis and micro zone electrophoresis, including micro isoelectric focusing electrophoresis, micro isovelocity electrophoresis, and micro density gradient electrophoresis. The non-uniform electric field electrophoresis mode involves micro dielectric electrophoresis. Microchip electrophoresis is typically used in conjunction with conventional laboratory methods, such as optical, electrochemical, and mass spectrometry, to achieve the rapid and efficient separation and analysis of complex samples. However, the labeling required for most widely used laser-induced fluorescence technologies often involves a cumbersome organic synthesis process, and not all samples can be labeled, which limits the application scenarios of laser-induced fluorescence. The applications of unlabeled microchip electrophoresis-chemiluminescence/dielectrophoresis are also limited, and simplification of the experimental process to achieve simple and rapid microchip electrophoresis remains challenging. Several new models and strategies for high throughput in situ detection based on these detection methods have been developed for microchip electrophoretic systems. However, high throughput analysis by microchip electrophoresis is often dependent on complex chip structures and relatively complicated detection methods; thus, simple high throughput analytical technologies must be further explored. This paper also reviews the progress on microchip electrophoresis for the separation and analysis of complex biological samples, such as biomacromolecules, biological small molecules, and bioparticles, and forecasts the development trend of microchip electrophoresis in the separation and analysis of biomolecules. Over 250 research papers on this field are published annually, and it is gradually becoming a research focus. Most previous research has focused on biomacromolecules, including proteins and nucleic acids; biological small molecules, including amino acids, metabolites, and ions; and bioparticles, including cells and pathogens. However, several problems remain unsolved in the field of microchip electrophoresis. Overall, microchip electrophoresis requires further study to increase its suitability for the separation and analysis of complex biological samples.
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5
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Huang YH, Wei H, Santiago PJ, Thrift WJ, Ragan R, Jiang S. Sensing Antibiotics in Wastewater Using Surface-Enhanced Raman Scattering. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:4880-4891. [PMID: 36934344 PMCID: PMC10061928 DOI: 10.1021/acs.est.3c00027] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 01/27/2023] [Accepted: 03/02/2023] [Indexed: 06/18/2023]
Abstract
Rapid and cost-effective detection of antibiotics in wastewater and through wastewater treatment processes is an important first step in developing effective strategies for their removal. Surface-enhanced Raman scattering (SERS) has the potential for label-free, real-time sensing of antibiotic contamination in the environment. This study reports the testing of two gold nanostructures as SERS substrates for the label-free detection of quinoline, a small-molecular-weight antibiotic that is commonly found in wastewater. The results showed that the self-assembled SERS substrate was able to quantify quinoline spiked in wastewater with a lower limit of detection (LoD) of 5.01 ppb. The SERStrate (commercially available SERS substrate with gold nanopillars) had a similar sensitivity for quinoline quantification in pure water (LoD of 1.15 ppb) but did not perform well for quinoline quantification in wastewater (LoD of 97.5 ppm) due to interferences from non-target molecules in the wastewater. Models constructed based on machine learning algorithms could improve the separation and identification of quinoline Raman spectra from those of interference molecules to some degree, but the selectivity of SERS intensification was more critical to achieve the identification and quantification of the target analyte. The results of this study are a proof-of-concept for SERS applications in label-free sensing of environmental contaminants. Further research is warranted to transform the concept into a practical technology for environmental monitoring.
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Affiliation(s)
- Yen-Hsiang Huang
- Department
of Civil and Environmental Engineering, University of California, Irvine, Irvine, California 92697, United States
| | - Hong Wei
- Department
of Materials Science and Engineering, University
of California, Irvine, Irvine, California 92697, United States
| | - Peter J. Santiago
- Department
of Materials Science and Engineering, University
of California, Irvine, Irvine, California 92697, United States
| | - William John Thrift
- Department
of Materials Science and Engineering, University
of California, Irvine, Irvine, California 92697, United States
| | - Regina Ragan
- Department
of Materials Science and Engineering, University
of California, Irvine, Irvine, California 92697, United States
| | - Sunny Jiang
- Department
of Civil and Environmental Engineering, University of California, Irvine, Irvine, California 92697, United States
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6
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Zamzami M, Alamoudi S, Ahmad A, Choudhry H, Khan MI, Hosawi S, Rabbani G, Shalaan ES, Arkook B. Direct Identification of Label-Free Gram-Negative Bacteria with Bioreceptor-Free Concentric Interdigitated Electrodes. BIOSENSORS 2023; 13:179. [PMID: 36831945 PMCID: PMC9953431 DOI: 10.3390/bios13020179] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 01/05/2023] [Accepted: 01/17/2023] [Indexed: 06/18/2023]
Abstract
This investigation demonstrates an electrochemical method for directly identifying unlabeled Gram-negative bacteria without other additives or labeling agents. After incubation, the bacterial cell surface is linked to the interdigitated electrode through electroadsorption. Next, these cells are exposed to a potential difference between the two electrodes. The design geometry of an electrode has a significant effect on the electrochemical detection of Gram-negative bacteria. Therefore, electrode design geometry is a crucial factor that needs to be considered when designing electrodes for electrochemical sensing. They provide the area for the reaction and are responsible for transferring electrons from one electrode to another. This work aims to study the available design in the commercial market to determine the most suitable electrode geometry with a high detection sensitivity that can be used to identify and quantify bacterial cells in normal saline solutions. To work on detecting bacterial cells without the biorecognition element, we have to consider the microelectrode's design, which makes it very susceptible to bacteria size. The concentration-dilution technique measures the effect of the concentration on label-free Gram-negative bacteria in a normal saline solution without needing bio-recognized elements for a fast screening evaluation. This method's limit of detection (LOD) cannot measure concentrations less than 102 CFU/mL and cannot distinguish between live and dead cells. Nevertheless, this approach exhibited excellent detection performance under optimal experimental conditions and took only a few hours.
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Affiliation(s)
- Mazin Zamzami
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Center for Artificial Intelligence in Precision Medicines, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Samer Alamoudi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Abrar Ahmad
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Hani Choudhry
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Center for Artificial Intelligence in Precision Medicines, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Mohammad Imran Khan
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Center for Artificial Intelligence in Precision Medicines, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Salman Hosawi
- Department of Biochemistry, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Center for Artificial Intelligence in Precision Medicines, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Gulam Rabbani
- Department of Medical Biotechnology, Yeungnam University, 280 Daehak-ro, Gyeongsan 38541, Gyeongbuk, Republic of Korea
| | - El-Sayed Shalaan
- Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Bassim Arkook
- Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
- Department of Physics and Astronomy, University of California, Riverside, CA 92521, USA
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7
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K J A, Reddy S, Acharya S, B L, Deepak K, Naveen CS, Harish KN, Ramakrishna S. A review on nanomaterial-based electrodes for the electrochemical detection of chloramphenicol and furazolidone antibiotics. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 14:3228-3249. [PMID: 35997206 DOI: 10.1039/d2ay00941b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
To grow food for people, antibiotics were used, and these antibiotics can accumulate in the human body through food metabolism, which may have remarkably harmful effects on human health and safety. Therefore, low-cost sensors are needed for the detection of antibiotic residues in food samples. Recently, nanomaterial-based electrochemical sensors such as carbon nanoparticles, graphene nanoparticles, metal oxide nanoparticles, metal nanoparticles, and metal-organic nanostructures have been successfully used as sensing materials for the detection of chloramphenicol (CP) and furazolidone (FZ) antibiotics. However, additional efforts are still needed to fabricate effective multi-functional nanomaterial-based electrodes for the preparation of portable electrochemical sensor devices. The current review focuses on a quick introduction to CP and FZ antibiotics, followed by an outline of the current electrochemical analytical methods. In addition, we have discussed in-depth different nanoparticle supports for the electrochemical detection of CP and FZ in different matrices such as food, environmental, and biological samples. Finally, a summary of the current problems and future perspectives in this area are also highlighted.
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Affiliation(s)
- Abhishek K J
- Department of Chemistry, School of Applied Science, REVA University, Bangalore, 560064, India.
| | - Sathish Reddy
- Department of Chemistry, School of Applied Science, REVA University, Bangalore, 560064, India.
| | - Shubha Acharya
- Department of Chemistry, School of Applied Science, REVA University, Bangalore, 560064, India.
| | - Lakshmi B
- Department of Chemistry, School of Applied Science, REVA University, Bangalore, 560064, India.
| | - K Deepak
- Department of Physics, School of Applied Science, REVA University, Bangalore, 560064, India
| | - C S Naveen
- Department of Physics, School of Engineering, Presidency University, Bengaluru-560064, India
| | - K N Harish
- Department of Chemistry, Dayananda Sagar College of Engineering, Shavige Malleshwara Hills, Kumaraswamy Layout, Bengaluru, 560078, India
| | - Seeram Ramakrishna
- Department of Mechanical Engineering, Center for Nanofibers and Nanotechnology, National University of Singapore, Singapore
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8
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Zeng Y, Li Q, Wang W, Wen Y, Ji K, Liu X, He P, Campos Janegitz B, Tang K. The fabrication of a flexible and portable sensor based on home-made laser-induced porous graphene electrode for the rapid detection of sulfonamides. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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9
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Sun M, Ma B, Yuan S, Xin L, Zhao C, Liu H. Mercury thermometer-inspired test strip for concentration cell-based potentiometric detection of salivary α-amylase. Anal Chim Acta 2022; 1206:339770. [DOI: 10.1016/j.aca.2022.339770] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 03/22/2022] [Accepted: 03/23/2022] [Indexed: 11/01/2022]
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10
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Abstract
Printing technology promises a viable solution for the low-cost, rapid, flexible, and mass fabrication of biosensors. Among the vast number of printing techniques, screen printing and inkjet printing have been widely adopted for the fabrication of biosensors. Screen printing provides ease of operation and rapid processing; however, it is bound by the effects of viscous inks, high material waste, and the requirement for masks, to name a few. Inkjet printing, on the other hand, is well suited for mass fabrication that takes advantage of computer-aided design software for pattern modifications. Furthermore, being drop-on-demand, it prevents precious material waste and offers high-resolution patterning. To exploit the features of inkjet printing technology, scientists have been keen to use it for the development of biosensors since 1988. A vast number of fully and partially inkjet-printed biosensors have been developed ever since. This study presents a short introduction on the printing technology used for biosensor fabrication in general, and a brief review of the recent reports related to virus, enzymatic, and non-enzymatic biosensor fabrication, via inkjet printing technology in particular.
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11
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Guliy OI, Zaitsev BD, Semyonov AP, Alsowaidi AКM, Teplykh AA, Karavaeva OA, Borodina IA. Microbial acoustic sensor test-system based on a piezoelectric resonator with a lateral electric field for kanamycin detection in liquid. ULTRASONICS 2022; 120:106651. [PMID: 34847528 DOI: 10.1016/j.ultras.2021.106651] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 11/19/2021] [Accepted: 11/22/2021] [Indexed: 06/13/2023]
Abstract
A microbial test-system for real-time determination of low/residual concentrations of kanamycin in a liquid without the need for special labels is presented. The main element of the system was a piezoelectric resonator excited by a lateral electric field based on an X-cut lithium niobate plate 0.5 mm thick with two rectangular electrodes on one side. On the other side of the resonator, there was a 1.5 ml liquid container. As a sensory element we used Escherichia coli B-878 microbial cells, which are sensitive to kanamycin. For measurement 1 ml of this cells suspension was placed in a liquid container and then the test liquid in the amount of 2 μl containing kanamycin was added. The change in the real part of the electrical impedance of the resonator before and after the test liquid addition was used as an analytical signal which indicated the presence of kanamycin. The lower limit of determination of kanamycin turned out to be 1.0 μg/ml with an analysis time of 10 min. The test-system allows to detect kanamycin in the presence of such antibiotic as ampicillin and polymixin.
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Affiliation(s)
- O I Guliy
- Institute of Biochemistry and Physiology of Plants and Microorganisms of Russian Academy of Sciences, Saratov 410049, Russia
| | - B D Zaitsev
- Kotel'nikov Institute of Radio Engineering and Electronics of Russian Academy of Sciences, Saratov Branch, Saratov 410019, Russia.
| | - A P Semyonov
- Kotel'nikov Institute of Radio Engineering and Electronics of Russian Academy of Sciences, Saratov Branch, Saratov 410019, Russia
| | - A К M Alsowaidi
- Institute of Biochemistry and Physiology of Plants and Microorganisms of Russian Academy of Sciences, Saratov 410049, Russia
| | - A A Teplykh
- Kotel'nikov Institute of Radio Engineering and Electronics of Russian Academy of Sciences, Saratov Branch, Saratov 410019, Russia
| | - O A Karavaeva
- Institute of Biochemistry and Physiology of Plants and Microorganisms of Russian Academy of Sciences, Saratov 410049, Russia
| | - I A Borodina
- Kotel'nikov Institute of Radio Engineering and Electronics of Russian Academy of Sciences, Saratov Branch, Saratov 410019, Russia
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12
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Olaifa K, Ajunwa O, Marsili E. Electroanalytic evaluation of antagonistic effect of azole fungicides on Acinetobacter baumannii biofilms. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.139837] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
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13
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Mala R, Divya D, Vijayan P, Narayanasamy M, Thennarasu S. Two Imidazo[1,2‐a]pyridine Congeners Show Aggregation‐Induced Emission (AIE): Exploring AIE Potential for Sensor and Imaging Applications. ChemistrySelect 2022. [DOI: 10.1002/slct.202103408] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Ramanjaneyulu Mala
- Organic and bioorganic chemistry laboratory CSIR-Central Leather Research Institute, Adyar Chennai 600 020 India
- Academy of Scientific and Innovative Research (AcSIR) CSIR-Central Leather Research Institute, Adyar Chennai 600 020 India
| | - Dhakshinamurthy Divya
- Organic and bioorganic chemistry laboratory CSIR-Central Leather Research Institute, Adyar Chennai 600 020 India
| | - Priyadharshni Vijayan
- Biocontrol and microbial Metabolites Lab, Centre for Advanced Studies in Botany University of Madars Guindy Campus Chennai- 600025 India
| | - Mathivanan Narayanasamy
- Biocontrol and microbial Metabolites Lab, Centre for Advanced Studies in Botany University of Madars Guindy Campus Chennai- 600025 India
| | - Sathiah Thennarasu
- Organic and bioorganic chemistry laboratory CSIR-Central Leather Research Institute, Adyar Chennai 600 020 India
- Academy of Scientific and Innovative Research (AcSIR) CSIR-Central Leather Research Institute, Adyar Chennai 600 020 India
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14
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Arrieiro MO, Arantes LC, Moreira DA, Pimentel DM, Lima CD, Costa LM, Verly RM, dos Santos WT. Electrochemical detection of eutylone using screen-printed electrodes: Rapid and simple screening method for application in forensic samples. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.140106] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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15
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Aptamer-Based Lateral Flow Assays: Current Trends in Clinical Diagnostic Rapid Tests. Pharmaceuticals (Basel) 2022; 15:ph15010090. [PMID: 35056148 PMCID: PMC8781427 DOI: 10.3390/ph15010090] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 01/09/2022] [Accepted: 01/10/2022] [Indexed: 12/18/2022] Open
Abstract
The lateral flow assay (LFA) is an extensively used paper-based platform for the rapid and on-site detection of different analytes. The method is user-friendly with no need for sophisticated operation and only includes adding sample. Generally, antibodies are employed as the biorecognition elements in the LFA. However, antibodies possess several disadvantages including poor stability, high batch-to-batch variation, long development time, high price and need for ethical approval and cold chain. Because of these limitations, aptamers screened by an in vitro process can be a good alternative to antibodies as biorecognition molecules in the LFA. In recent years, aptamer-based LFAs have been investigated for the detection of different analytes in point-of-care diagnostics. In this review, we summarize the applications of aptamer technology in LFAs in clinical diagnostic rapid tests for the detection of biomarkers, microbial analytes, hormones and antibiotics. Performance, advantages and drawbacks of the developed assays are also discussed.
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Koch N, Islam NF, Sonowal S, Prasad R, Sarma H. Environmental antibiotics and resistance genes as emerging contaminants: Methods of detection and bioremediation. CURRENT RESEARCH IN MICROBIAL SCIENCES 2021; 2:100027. [PMID: 34841318 PMCID: PMC8610363 DOI: 10.1016/j.crmicr.2021.100027] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/02/2021] [Accepted: 03/07/2021] [Indexed: 12/13/2022] Open
Abstract
In developing countries, the use of antibiotics has helped to reduce the mortality rate by minimizing the deaths caused by pathogenic infections, but the costs of antibiotic contamination remain a major concern. Antibiotics are released into the environment, creating a complicated environmental problem. Antibiotics are used in human, livestock and agriculture, contributing to its escalation in the environment. Environmental antibiotics pose a range of risks and have significant effects on human and animal health. Nevertheless, this is the result of the development of antibiotic-resistant and multi-drug-resistant bacteria. In the area of health care, animal husbandry and crop processing, the imprudent use of antibiotic drugs produces antibiotic-resistant bacteria. This threat is the deepest in the developing world, with an estimated 700,000 people suffering from antibiotic-resistant infections each year. The study explores how bacteria use a wide variety of antibiotic resistance mechanism and how these approaches have an impact on the environment and on our health. The paper focuses on the processes by which antibiotics degrade, the health effects of these emerging contaminants, and the tolerance of bacteria to antibiotics.
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Affiliation(s)
- Niharika Koch
- Department of Botany, Mahatma Gandhi Central University, Motihari 845401, Bihar, India
| | - Nazim F. Islam
- Department of Botany, Nanda Nath Saikia College, Titabar, Assam 785630, India
| | - Songita Sonowal
- Department of Botany, Mahatma Gandhi Central University, Motihari 845401, Bihar, India
| | - Ram Prasad
- Department of Botany, Mahatma Gandhi Central University, Motihari 845401, Bihar, India
| | - Hemen Sarma
- Department of Botany, Nanda Nath Saikia College, Titabar, Assam 785630, India
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17
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Materón EM, Wong A, Freitas TA, Faria RC, Oliveira ON. A sensitive electrochemical detection of metronidazole in synthetic serum and urine samples using low-cost screen-printed electrodes modified with reduced graphene oxide and C60. J Pharm Anal 2021; 11:646-652. [PMID: 34765278 PMCID: PMC8572701 DOI: 10.1016/j.jpha.2021.03.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 01/30/2021] [Accepted: 03/18/2021] [Indexed: 11/26/2022] Open
Abstract
Monitoring the concentration of antibiotics in body fluids is essential to optimizing the therapy and minimizing the risk of bacteria resistance, which can be made with electrochemical sensors tailored with appropriate materials. In this paper, we report on sensors made with screen-printed electrodes (SPE) coated with fullerene (C60), reduced graphene oxide (rGO) and Nafion (NF) (C60-rGO-NF/SPE) to determine the antibiotic metronidazole (MTZ). Under optimized conditions, the C60-rGO-NF/SPE sensor exhibited a linear response in square wave voltammetry for MTZ concentrations from 2.5 × 10-7 to 34 × 10-6 mol/L, with a detection limit of 2.1 × 10-7 mol/L. This sensor was also capable of detecting MTZ in serum and urine, with recovery between 94% and 100%, which are similar to those of the standard chromatographic method (HPLC-UV). Because the C60-rGO-NF/SPE sensor is amenable to mass production and allows for MTZ determination with simple principles of detection, it fulfills the requirements of therapeutic drug monitoring programs.
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Affiliation(s)
- Elsa Maria Materón
- Department of Chemistry, Federal University of São Carlos, 13560-970, São Carlos, Brazil
- São Carlos Institute of Physics, University of São Paulo, 13560-970, São Carlos, Brazil
| | - Ademar Wong
- Department of Chemistry, Federal University of São Carlos, 13560-970, São Carlos, Brazil
| | - Tayane Aguiar Freitas
- Department of Chemistry, Federal University of São Carlos, 13560-970, São Carlos, Brazil
| | - Ronaldo Censi Faria
- Department of Chemistry, Federal University of São Carlos, 13560-970, São Carlos, Brazil
| | - Osvaldo N. Oliveira
- São Carlos Institute of Physics, University of São Paulo, 13560-970, São Carlos, Brazil
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18
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Beta-Lactam Antibiotic Discrimination Using a Macromolecular Sensor in Water at Neutral pH. SENSORS 2021; 21:s21196384. [PMID: 34640711 PMCID: PMC8512602 DOI: 10.3390/s21196384] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 09/20/2021] [Accepted: 09/22/2021] [Indexed: 11/29/2022]
Abstract
Penicillins and cephalosporins belong to the β-lactam antibiotic family, which accounts for more than half of the world market for antibiotics. Misuse of antibiotics harms human health and the environment. Here, we describe an easy, fast, and sensitive optical method for the sensing and discrimination of two penicillin and five cephalosporin antibiotics in buffered water at pH 7.4, using fifth-generation poly (amidoamine) (PAMAM) dendrimers and calcein, a commercially available macromolecular polyelectrolyte and a fluorescent dye, respectively. In aqueous solution at pH 7.4, the dendrimer and dye self-assemble to form a sensor that interacts with carboxylate-containing antibiotics through electrostatic interaction, monitored through changes in the dye’s spectroscopic properties. This response was captured through absorbance, fluorescence emission, and fluorescence anisotropy. The resulting data set was processed through linear discriminant analysis (LDA), a common pattern-base recognition method, for the differentiation of cephalosporins and penicillins. By pre-hydrolysis of the β-lactam rings under basic conditions, we were able to increase the charge density of the analytes, allowing us to discriminate the seven analytes at a concentration of 5 mM, with a limit of discrimination of 1 mM.
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Advancement in Salmonella Detection Methods: From Conventional to Electrochemical-Based Sensing Detection. BIOSENSORS-BASEL 2021; 11:bios11090346. [PMID: 34562936 PMCID: PMC8468554 DOI: 10.3390/bios11090346] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 09/06/2021] [Accepted: 09/09/2021] [Indexed: 02/07/2023]
Abstract
Large-scale food-borne outbreaks caused by Salmonella are rarely seen nowadays, thanks to the advanced nature of the medical system. However, small, localised outbreaks in certain regions still exist and could possess a huge threat to the public health if eradication measure is not initiated. This review discusses the progress of Salmonella detection approaches covering their basic principles, characteristics, applications, and performances. Conventional Salmonella detection is usually performed using a culture-based method, which is time-consuming, labour intensive, and unsuitable for on-site testing and high-throughput analysis. To date, there are many detection methods with a unique detection system available for Salmonella detection utilising immunological-based techniques, molecular-based techniques, mass spectrometry, spectroscopy, optical phenotyping, and biosensor methods. The electrochemical biosensor has growing interest in Salmonella detection mainly due to its excellent sensitivity, rapidity, and portability. The use of a highly specific bioreceptor, such as aptamers, and the application of nanomaterials are contributing factors to these excellent characteristics. Furthermore, insight on the types of biorecognition elements, the principles of electrochemical transduction elements, and the miniaturisation potential of electrochemical biosensors are discussed.
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20
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Olaifa K, Nikodinovic-Runic J, Glišić B, Boschetto F, Marin E, Segreto F, Marsili E. Electroanalysis of Candida albicans biofilms: A suitable real-time tool for antifungal testing. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.138757] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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21
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Ahamed A, Ge L, Zhao K, Veksha A, Bobacka J, Lisak G. Environmental footprint of voltammetric sensors based on screen-printed electrodes: An assessment towards "green" sensor manufacturing. CHEMOSPHERE 2021; 278:130462. [PMID: 33845436 DOI: 10.1016/j.chemosphere.2021.130462] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Revised: 03/21/2021] [Accepted: 03/30/2021] [Indexed: 06/12/2023]
Abstract
Voltammetric sensors based on screen-printed electrodes (SPEs) await diverse applications in environmental monitoring, food, agricultural and biomedical analysis. However, due to the single-use and disposable characteristics of SPEs and the scale of measurements performed, their environmental impacts should be considered. A life cycle assessment was conducted to evaluate the environmental footprint of SPEs manufactured using various substrate materials (SMs: cotton textile, HDPE plastic, Kraft paper, graphic paper, glass, and ceramic) and electrode materials (EMs: platinum, gold, silver, copper, carbon black, and carbon nanotubes (CNTs)). The greatest environmental impact was observed when cotton textile was used as SM. HDPE plastic demonstrated the least impact (13 out of 19 categories), followed by ceramic, glass and paper. However, considering the end-of-life scenarios and release of microplastics into the environment, ceramic, glass or paper could be the most suitable options for SMs. Amongst the EMs, the replacement of metals, especially noble metals, by carbon-based EMs greatly reduces the environmental footprint of SPEs. Compared with other materials, carbon black was the least impactful on the environment. On the other hand, copper and waste-derived CNTs (WCNTs) showed low impacts except for terrestrial ecotoxicity and human toxicity (non-cancer) potentials. In comparison to commercial CNTs (CCNTs), WCNTs demonstrated lower environmental footprint and comparable voltammetric performance in heavy metal detections, justifying the substitution of CCNTs with WCNTs in commercial applications. In conclusion, a combination of carbon black or WCNTs EMs with ceramic, glass or paper SMs represents the most environmentally friendly SPE configurations for voltammetric sensor arrangement.
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Affiliation(s)
- Ashiq Ahamed
- Residues and Resource Reclamation Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, CleanTech One, Singapore, 637141, Singapore; Laboratory of Molecular Science and Engineering, Johan Gadolin Process Chemistry Centre, Åbo Akademi University, FI-20500, Turku/Åbo, Finland
| | - Liya Ge
- Residues and Resource Reclamation Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, CleanTech One, Singapore, 637141, Singapore
| | - Ke Zhao
- Residues and Resource Reclamation Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, CleanTech One, Singapore, 637141, Singapore
| | - Andrei Veksha
- Residues and Resource Reclamation Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, CleanTech One, Singapore, 637141, Singapore
| | - Johan Bobacka
- Laboratory of Molecular Science and Engineering, Johan Gadolin Process Chemistry Centre, Åbo Akademi University, FI-20500, Turku/Åbo, Finland
| | - Grzegorz Lisak
- Residues and Resource Reclamation Centre, Nanyang Environment and Water Research Institute, Nanyang Technological University, 1 Cleantech Loop, CleanTech One, Singapore, 637141, Singapore; School of Civil and Environmental Engineering, Nanyang Technological University, Singapore, 639798, Singapore.
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22
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Abstract
Antibiotics, nowadays, are not only used for the treatment of human diseases but also used in animal and poultry farming to increase production. Overuse of antibiotics leads to their circulation in the food chain due to unmanaged discharge. These circulating antibiotics and their residues are a major cause of antimicrobial resistance (AMR), so comprehensive and multifaceted measures aligning with the One Health approach are crucial to curb the emergence and dissemination of antibiotic resistance through the food chain. Different chromatographic techniques and capillary electrophoresis (CE) are being widely used for the separation and detection of antibiotics and their residues from food samples. However, the matrix present in food samples interferes with the proper detection of the antibiotics, which are present in trace concentrations. This review is focused on the scientific literature published in the last decade devoted to the detection of antibiotics in food products. Various extraction methods are employed for the enrichment of antibiotics from a wide variety of food samples; however, solid-phase extraction (SPE) techniques are often used for the extraction of antibiotics from food products and biological samples. In addition, this review has scrutinized how changing instrumental composition, organization, and working parameters in the chromatography and CE can greatly impact the identification and quantification of antibiotic residues. This review also summarized recent advancements in other detection methods such as immunological assays, surface-enhanced Raman spectroscopy (SERS)-based assays, and biosensors which have emerged as rapid, sensitive, and selective tools for accurate detection and quantification of traces of antibiotics.
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23
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Detection of white spot syndrome virus in seafood samples using a magnetosome-based impedimetric biosensor. Arch Virol 2021; 166:2763-2778. [PMID: 34342747 DOI: 10.1007/s00705-021-05187-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 06/07/2021] [Indexed: 10/20/2022]
Abstract
White spot syndrome virus (WSSV) is a significant threat to the aquaculture sector, causing mortality among crabs and shrimps. Currently available diagnostic tests for WSSV are not rapid or cost-effective, and a new detection method is therefore needed. This study demonstrates the development of a biosensor by functionalization of magnetosomes with VP28-specific antibodies to detect WSSV in seafood. The magnetosomes (1 and 2 mg/ml) were conjugated with VP28 antibody (0.025-10 ng/µl), as confirmed by spectroscopy. The magnetosome-antibody conjugate was used to detect the VP28 antigen. The binding of antigen to the magnetosome-antibody complex resulted in a change in absorbance. The magnetosome-antibody-antigen complex was then concentrated and brought near a screen-printed carbon electrode by applying an external magnetic field, and the antigen concentration was determined using impedance measurements. The VP28 antigen (0.025 ng/µl) bound more efficiently to the magnetosome-VP28 antibody complex (0.025 ng/µl) than to the VP28 antibody (0.1 ng/µl) alone. The same assay was repeated to detect the VP28 antigen (0.01 ng/µl) in WSSV-infected seafood samples using the magnetosome-VP28 antibody complex (0.025 ng/µl). The WSSV in the seafood sample was also drawn toward the electrode due to the action of magnetosomes controlled by the external magnetic field and detected using impedance measurement. The presence of WSSV in seafood samples was verified by Western blot and RT-PCR. Cross-reactivity assays with other viruses confirmed the specificity of the magnetosome-based biosensor. The results indicate that the use of the magnetosome-based biosensor is a sensitive, specific, and rapid way to detect WSSV in seafood samples.
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24
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Tetracycline Antibiotics: Elucidating the Electrochemical Fingerprint and Oxidation Pathway. CHEMOSENSORS 2021. [DOI: 10.3390/chemosensors9070187] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Herein, a complete study of the electrochemical behavior of the most commonly used tetracycline antibiotics (TCs) on unmodified carbon screen-printed electrodes (SPEs) is presented. In addition, the oxidation pathway of TCs on SPE is elucidated, for the first time, with liquid chromatography-quadrupole time-of-flight mass spectrometry (LC-QTOF-MS). Square wave voltammetry (SWV) was used to study the electrochemical fingerprint (EF) of the antibiotics shaping the different oxidation processes of the TCs in a pH range from 2 to 12. Their characteristic structure and subsequent EF offer the possibility of distinguishing this class of antibiotics from other types. Under the optimized parameters, calibration curves of tetracycline (TET), doxycycline (DOXY), oxytetracycline (OXY), and chlortetracycline (CHL) in a Britton Robinson buffer solution (pH 9) exhibited a linear range between 5 and 100 µM with excellent reproducibilities (RSDTET = 3.01%, RSDDOXY = 3.29%, RSDOXY = 9.78% and RSDCHL = 6.88% at 10 µM, N = 3) and limits of detection (LOD) of LODTET = 4.15 µM, LODDOXY = 2.14 µM, LODOXY = 3.07 µM and LODCHL = 4.15 µM. Furthermore, binary, tertiary, and complex mixtures of all TCs were analyzed with SWV to investigate the corresponding EF. A dual pH screening (pH 4 and pH 9), together with the use of a custom-made Matlab script for data treatment, allowed for the successful confirmation of a single presence of TCs in the unknown samples. Overall, this work presents a straightforward study of the electrochemical behavior of TCs in SPE, allowing for the future on-site identification of residues of tetracycline antibiotics in real samples.
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25
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Raykova MR, Corrigan DK, Holdsworth M, Henriquez FL, Ward AC. Emerging Electrochemical Sensors for Real-Time Detection of Tetracyclines in Milk. BIOSENSORS 2021; 11:232. [PMID: 34356702 PMCID: PMC8301834 DOI: 10.3390/bios11070232] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 06/29/2021] [Accepted: 07/07/2021] [Indexed: 12/12/2022]
Abstract
Antimicrobial drug residues in food are strictly controlled and monitored by national laws in most territories. Tetracyclines are a major broad-spectrum antibiotic class, active against a wide range of Gram-positive and Gram-negative bacteria, and they are the leading choice for the treatment of many conditions in veterinary medicine in recent years. In dairy farms, milk from cows being treated with antibiotic drugs, such as tetracyclines, is considered unfit for human consumption. Contamination of the farm bulk tank with milk containing these residues presents a threat to confidence of supply and results in financial losses to farmers and dairy. Real-time monitoring of milk production for antimicrobial residues could reduce this risk and help to minimise the release of residues into the environment where they can cause reservoirs of antimicrobial resistance. In this article, we review the existing literature for the detection of tetracyclines in cow's milk. Firstly, the complex nature of the milk matrix is described, and the test strategies in commercial use are outlined. Following this, emerging biosensors in the low-cost biosensors field are contrasted against each other, focusing upon electrochemical biosensors. Existing commercial tests that identify antimicrobial residues within milk are largely limited to beta-lactam detection, or non-specific detection of microbial inhibition, with tests specific to tetracycline residues less prevalent. Herein, we review a number of emerging electrochemical biosensor detection strategies for tetracyclines, which have the potential to close this gap and address the industry challenges associated with existing tests.
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Affiliation(s)
- Magdalena R Raykova
- Civil and Environmental Engineering, University of Strathclyde, Glasgow G1 1XJ, UK
| | - Damion K Corrigan
- Biomedical Engineering, University of Strathclyde, Glasgow G1 1QE, UK
| | - Morag Holdsworth
- Graham's Dairy Family, Bridge of Allan, Stirling, Glasgow FK9 4RW, UK
| | - Fiona L Henriquez
- School of Health and Life Sciences, University of the West of Scotland, Paisley PA1 2BE, UK
| | - Andrew C Ward
- Civil and Environmental Engineering, University of Strathclyde, Glasgow G1 1XJ, UK
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26
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Guliy OI, Zaitsev BD, Alsowaidi AKM, Karavaeva OA, Lovtsova LG, Borodina IA. Biosensor Systems for Antibiotic Detection. Biophysics (Nagoya-shi) 2021. [DOI: 10.1134/s0006350921040060] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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27
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Fruncillo S, Su X, Liu H, Wong LS. Lithographic Processes for the Scalable Fabrication of Micro- and Nanostructures for Biochips and Biosensors. ACS Sens 2021; 6:2002-2024. [PMID: 33829765 PMCID: PMC8240091 DOI: 10.1021/acssensors.0c02704] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Since the early 2000s, extensive research has been performed to address numerous challenges in biochip and biosensor fabrication in order to use them for various biomedical applications. These biochips and biosensor devices either integrate biological elements (e.g., DNA, proteins or cells) in the fabrication processes or experience post fabrication of biofunctionalization for different downstream applications, including sensing, diagnostics, drug screening, and therapy. Scalable lithographic techniques that are well established in the semiconductor industry are now being harnessed for large-scale production of such devices, with additional development to meet the demand of precise deposition of various biological elements on device substrates with retained biological activities and precisely specified topography. In this review, the lithographic methods that are capable of large-scale and mass fabrication of biochips and biosensors will be discussed. In particular, those allowing patterning of large areas from 10 cm2 to m2, maintaining cost effectiveness, high throughput (>100 cm2 h-1), high resolution (from micrometer down to nanometer scale), accuracy, and reproducibility. This review will compare various fabrication technologies and comment on their resolution limit and throughput, and how they can be related to the device performance, including sensitivity, detection limit, reproducibility, and robustness.
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Affiliation(s)
- Silvia Fruncillo
- Manchester Institute of Biotechnology, University of Manchester, 131 Princess Street, Manchester, M1 7DN, United Kingdom
- Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, #08-03, Innovis, Singapore 138634, Singapore
| | - Xiaodi Su
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, #08-03, Innovis, Singapore 138634, Singapore
- Department of Chemistry, National University of Singapore, Block S8, Level 3, 3 Science Drive, Singapore 117543, Singapore
| | - Hong Liu
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, #08-03, Innovis, Singapore 138634, Singapore
| | - Lu Shin Wong
- Manchester Institute of Biotechnology, University of Manchester, 131 Princess Street, Manchester, M1 7DN, United Kingdom
- Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
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28
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Guliy OI, Evstigneeva SS, Bunin VD. Bacteria-based electro-optical platform for ampicillin detection in aquatic solutions. Talanta 2021; 225:122007. [PMID: 33592746 DOI: 10.1016/j.talanta.2020.122007] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 12/07/2020] [Accepted: 12/11/2020] [Indexed: 12/16/2022]
Abstract
We have shown for the first time that it is possible to use a bacteria-based sensory system consisting of the bacterium Pseudomonas putida TSh-18 and an electro-optical sensor to detect ampicillin in the concentration range 0.5-600 μg/mL. Changes in the anisotropy of cell polarizability were detected at 900 and 2100 kHz; these represented the state of the cytoplasm and of the cell membrane, respectively. The changes indicate the quickest cell response to changes in the characteristics of the bacterial culture exposed to ampicillin. We have also shown that it is possible to monitor the ampicillin in the presence of kanamycin. In control experiments, we examined the effects of ampicillin and kanamycin on bacterial cells by phase-contrast microscopy and by standard microbiological tests on solid media. P. putida TSh-18 is recommended as a sensor system for ampicillin detection. Electro-optical analysis ensures detection of ampicillin in aquatic solutions in real-time, takes 10 min, and offers a lower limit of ampicillin detection of 0.5 μg/mL, which is lower than the European Community's maximum residue limit standards for penicillin antibiotics.
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Affiliation(s)
- Olga I Guliy
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, Saratov, 410049, Russia.
| | - Stella S Evstigneeva
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, Saratov, 410049, Russia
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29
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Wang Q, Xue Q, Chen T, Li J, Liu Y, Shan X, Liu F, Jia J. Recent advances in electrochemical sensors for antibiotics and their applications. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.10.025] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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30
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Sullivan MV, Allabush F, Bunka D, Tolley A, Mendes PM, Tucker JHR, Turner NW. Hybrid aptamer-molecularly imprinted polymer (AptaMIP) nanoparticles selective for the antibiotic moxifloxacin. Polym Chem 2021. [DOI: 10.1039/d1py00607j] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
A polymerisable aptamer incorporated into Molecularly Imprinted Polymer nanoparticles (MIPs) creates a hybrid “best-of-both-worlds” approach which outperforms individual constituent components.
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Affiliation(s)
| | - Francia Allabush
- School of Chemical Engineering
- University of Birmingham
- Birmingham
- UK
- School of Chemistry
| | - David Bunka
- The Aptamer Group
- Second Floor
- Bio Centre
- York
- UK
| | | | - Paula M. Mendes
- School of Chemical Engineering
- University of Birmingham
- Birmingham
- UK
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31
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Nouwairi RL, O'Connell KC, Gunnoe LM, Landers JP. Microchip Electrophoresis for Fluorescence-Based Measurement of Polynucleic Acids: Recent Developments. Anal Chem 2020; 93:367-387. [PMID: 33351599 DOI: 10.1021/acs.analchem.0c04596] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Renna L Nouwairi
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22903, United States
| | - Killian C O'Connell
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22903, United States
| | - Leah M Gunnoe
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22903, United States
| | - James P Landers
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22903, United States.,Department of Mechanical and Aerospace Engineering, University of Virginia, Charlottesville, Virginia 22903, United States.,Department of Pathology, University of Virginia Health Science Center, Charlottesville, Virginia 22903, United States
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32
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Besharati M, Tabrizi MA, Molaabasi F, Saber R, Shamsipur M, Hamedi J, Hosseinkhani S. Novel enzyme-based electrochemical and colorimetric biosensors for tetracycline monitoring in milk. Biotechnol Appl Biochem 2020; 69:41-50. [PMID: 33226159 DOI: 10.1002/bab.2078] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 11/17/2020] [Indexed: 12/17/2022]
Abstract
Recently, there has been a growing demand to develop portable devices for the fast detection of contaminants in food safety, healthcare, and environmental fields. Herein, two biosensing methods were designed by the use of nicotinamide adenine dinucleotide phosphate (NAD(P)H)-dependent TetX2 enzyme activity and thionine as an excellent electrochemical and colorimetric mediator/probe to monitor tetracycline (TC) in milk. The nanoporous glassy carbon electrode (NPGCE) modified with polythionine was first prepared by electrochemically and then TetX2 was immobilized onto the NPGCE using polyethyleneimine. The prepared biosensor provided a high electrocatalytic response toward NAD(P)H by significantly reducing its overpotential. The proposed biosensor exhibited a detection limit of 40 nM with a linear range of 0.1-0.8 μM for TC determination. Besides, the thionine probe was used to develop a novel colorimetric assay using a simple enzymatic color reaction within a few minutes. The limit of detection for TC was experimentally achieved as 60 nM, which was lower than the safety levels established by the World Health Organization (225 nM). The correlation between change in the color of the solution and the concentration of TC was used for quality control of milk samples, as confirmed by the standard high-performance liquid chromatography method. The results show the great potential of the proposed assays as portable instruments for on-site TC measurements.
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Affiliation(s)
- Maryam Besharati
- Department of Microbial Biotechnology, School of Biology and Center of Excellence in Phylogeny of Living Organisms, College of Science, University of Tehran, Tehran, Iran.,Microbial Technology and Products Research Center, University of Tehran, Tehran, Iran
| | | | - Fatemeh Molaabasi
- Department of Biomaterials and Tissue Engineering, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran
| | - Reza Saber
- Research Center of Medical Science, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Javad Hamedi
- Department of Microbial Biotechnology, School of Biology and Center of Excellence in Phylogeny of Living Organisms, College of Science, University of Tehran, Tehran, Iran.,Microbial Technology and Products Research Center, University of Tehran, Tehran, Iran
| | - Saman Hosseinkhani
- Department of Biochemistry, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, Iran
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33
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J. Louw C, Hamnca S, G. L. Baker P. Voltammetric and Impedimetric Detection of Norfloxacin at Co Nanoparticle Modified Polymer Composite Electrodes. ELECTROANAL 2020. [DOI: 10.1002/elan.202060423] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Clementine J. Louw
- SensorLab Department of Chemistry University of the Western Cape Robert Sobukwe Road Bellville 7535 Cape Town South Africa
| | - Siyabulela Hamnca
- SensorLab Department of Chemistry University of the Western Cape Robert Sobukwe Road Bellville 7535 Cape Town South Africa
| | - Priscilla G. L. Baker
- SensorLab Department of Chemistry University of the Western Cape Robert Sobukwe Road Bellville 7535 Cape Town South Africa
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34
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Sardini E, Serpelloni M, Tonello S. Printed Electrochemical Biosensors: Opportunities and Metrological Challenges. BIOSENSORS 2020; 10:E166. [PMID: 33158129 PMCID: PMC7694196 DOI: 10.3390/bios10110166] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 10/30/2020] [Accepted: 11/02/2020] [Indexed: 12/14/2022]
Abstract
Printed electrochemical biosensors have recently gained increasing relevance in fields ranging from basic research to home-based point-of-care. Thus, they represent a unique opportunity to enable low-cost, fast, non-invasive and/or continuous monitoring of cells and biomolecules, exploiting their electrical properties. Printing technologies represent powerful tools to combine simpler and more customizable fabrication of biosensors with high resolution, miniaturization and integration with more complex microfluidic and electronics systems. The metrological aspects of those biosensors, such as sensitivity, repeatability and stability, represent very challenging aspects that are required for the assessment of the sensor itself. This review provides an overview of the opportunities of printed electrochemical biosensors in terms of transducing principles, metrological characteristics and the enlargement of the application field. A critical discussion on metrological challenges is then provided, deepening our understanding of the most promising trends in order to overcome them: printed nanostructures to improve the limit of detection, sensitivity and repeatability; printing strategies to improve organic biosensor integration in biological environments; emerging printing methods for non-conventional substrates; microfluidic dispensing to improve repeatability. Finally, an up-to-date analysis of the most recent examples of printed electrochemical biosensors for the main classes of target analytes (live cells, nucleic acids, proteins, metabolites and electrolytes) is reported.
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Affiliation(s)
- Emilio Sardini
- Department of Information Engineering, University of Brescia, Via Branze 38, 25123 Brescia, Italy; (E.S.); (M.S.)
| | - Mauro Serpelloni
- Department of Information Engineering, University of Brescia, Via Branze 38, 25123 Brescia, Italy; (E.S.); (M.S.)
| | - Sarah Tonello
- Department of Information Engineering, University of Padova, Via Gradenigo 6, 35131 Padova, Italy
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35
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Güzel FD, Ghorbanpoor H, Dizaji AN, Akcakoca I, Ozturk Y, Kocagoz T, Corrigan DK, Avci H. Label‐free molecular detection of antibiotic susceptibility for
Mycobacterium smegmatis
using a low cost electrode format. Biotechnol Appl Biochem 2020; 68:1159-1166. [DOI: 10.1002/bab.2037] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 09/17/2020] [Indexed: 01/07/2023]
Affiliation(s)
- Fatma Doğan Güzel
- Department of Biomedical Engineering Ankara Yildirim Beyazit University Ankara Turkey
| | - Hamed Ghorbanpoor
- Department of Biomedical Engineering Ankara Yildirim Beyazit University Ankara Turkey
| | - Araz Norouz Dizaji
- Department of Biomedical Engineering Ankara Yildirim Beyazit University Ankara Turkey
| | - Iremnur Akcakoca
- Department of Material Engineering Yildirim Beyazit University Ankara Turkey
| | - Yasin Ozturk
- Department of Material Engineering Yildirim Beyazit University Ankara Turkey
| | - Tanil Kocagoz
- Department of Medical Biotechnology Institute of Health Sciences Istanbul Turkey
- Department of Medical Microbiology School of Medicine Acibadem Mehmet Ali Aydinlar University Istanbul Turkiye
| | - Damion K Corrigan
- Department of Biomedical Engineering University of Strathclyde Glasgow United Kingdom
| | - Huseyin Avci
- Department of Metallurgical and Materials Engineering & Cellular Therapy and Stem Cell Research Center Eskisehir Osmangazi University Eskisehir Turkey
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36
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Electrochemical characterization of carboplatin at unmodified platinum electrodes and its application to drug consumption studies in ovarian cancer cells. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.114253] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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37
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Ren Y, Ji J, Sun J, Pi F, Zhang Y, Sun X. Rapid detection of antibiotic resistance in Salmonella with screen printed carbon electrodes. J Solid State Electrochem 2020. [DOI: 10.1007/s10008-020-04645-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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38
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Joshi A, Kim KH. Recent advances in nanomaterial-based electrochemical detection of antibiotics: Challenges and future perspectives. Biosens Bioelectron 2020; 153:112046. [DOI: 10.1016/j.bios.2020.112046] [Citation(s) in RCA: 83] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2019] [Revised: 12/20/2019] [Accepted: 01/20/2020] [Indexed: 12/16/2022]
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39
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Prosa M, Bolognesi M, Fornasari L, Grasso G, Lopez-Sanchez L, Marabelli F, Toffanin S. Nanostructured Organic/Hybrid Materials and Components in Miniaturized Optical and Chemical Sensors. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E480. [PMID: 32155993 PMCID: PMC7153587 DOI: 10.3390/nano10030480] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Revised: 02/28/2020] [Accepted: 03/04/2020] [Indexed: 01/16/2023]
Abstract
In the last decade, biochemical sensors have brought a disruptive breakthrough in analytical chemistry and microbiology due the advent of technologically advanced systems conceived to respond to specific applications. From the design of a multitude of different detection modalities, several classes of sensor have been developed over the years. However, to date they have been hardly used in point-of-care or in-field applications, where cost and portability are of primary concern. In the present review we report on the use of nanostructured organic and hybrid compounds in optoelectronic, electrochemical and plasmonic components as constituting elements of miniaturized and easy-to-integrate biochemical sensors. We show how the targeted design, synthesis and nanostructuring of organic and hybrid materials have enabled enormous progress not only in terms of modulation and optimization of the sensor capabilities and performance when used as active materials, but also in the architecture of the detection schemes when used as structural/packing components. With a particular focus on optoelectronic, chemical and plasmonic components for sensing, we highlight that the new concept of having highly-integrated architectures through a system-engineering approach may enable the full expression of the potential of the sensing systems in real-setting applications in terms of fast-response, high sensitivity and multiplexity at low-cost and ease of portability.
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Affiliation(s)
- Mario Prosa
- Institute of Nanostructured Materials (ISMN), National Research Council (CNR), via P. Gobetti 101, 40129 Bologna, Italy; (M.P.); (M.B.)
| | - Margherita Bolognesi
- Institute of Nanostructured Materials (ISMN), National Research Council (CNR), via P. Gobetti 101, 40129 Bologna, Italy; (M.P.); (M.B.)
| | - Lucia Fornasari
- Plasmore s.r.l., viale Vittorio Emanuele II 4, 27100 Pavia, Italy; (L.F.); (L.L.-S.)
| | - Gerardo Grasso
- Institute of Nanostructured Materials (ISMN), National Research Council (CNR) c/o Department of Chemistry, ‘Sapienza’ University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy;
| | - Laura Lopez-Sanchez
- Plasmore s.r.l., viale Vittorio Emanuele II 4, 27100 Pavia, Italy; (L.F.); (L.L.-S.)
| | - Franco Marabelli
- Physics Department, University of Pavia, via A. Bassi 6, 27100 Pavia, Italy;
| | - Stefano Toffanin
- Institute of Nanostructured Materials (ISMN), National Research Council (CNR), via P. Gobetti 101, 40129 Bologna, Italy; (M.P.); (M.B.)
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40
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Enhancing electrode sensitivity for detection of antibiotic contamination in water using functionalized magnetic nanoparticles. SN APPLIED SCIENCES 2020. [DOI: 10.1007/s42452-020-2270-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
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41
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Ganta D, Chavez J, Lopez A. Disposable Chronoamperometric Sensor Coated with Silver Nanowires for Detecting Levofloxacin. ANAL LETT 2020. [DOI: 10.1080/00032719.2020.1727494] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Deepak Ganta
- School of Engineering, Texas A&M International University, Laredo, Texas, USA
| | - Jonathan Chavez
- School of Engineering, Texas A&M International University, Laredo, Texas, USA
| | - Aalejandro Lopez
- School of Engineering, Texas A&M International University, Laredo, Texas, USA
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42
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Perçin ÖZKORUCUKLU S, Uka B, Yıldırım Baştemur G. Voltammetric Analysis of Cephalexin and Cefazoline in Pharmaceutical Formulation and Biological Samples. JOURNAL OF THE TURKISH CHEMICAL SOCIETY, SECTION A: CHEMISTRY 2019. [DOI: 10.18596/jotcsa.469028] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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43
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Brosel-Oliu S, Mergel O, Uria N, Abramova N, van Rijn P, Bratov A. 3D impedimetric sensors as a tool for monitoring bacterial response to antibiotics. LAB ON A CHIP 2019; 19:1436-1447. [PMID: 30882115 DOI: 10.1039/c8lc01220b] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
The presence of antimicrobial contaminants like antibiotics in the environment is a major concern because they promote the emergence and the spread of multidrug resistant bacteria. Since the conventional systems for the determination of bacterial susceptibility to antibiotics rely on culturing methods that require long processing times, the implementation of novel strategies is highly required for fast and point-of-care applications. Here the development and characterization of a novel label-free biosensing platform based on a microbial biosensor approach to perform antibiotic detection bioassays in diluted solution is presented. The microbial biosensor is based on a three-dimensional interdigitated electrode array (3D-IDEA) impedimetric transducer with immobilized E. coli bacteria. In 3D-IDEA to increase the sensitivity to superficial impedance changes the electrode digits are separated by insulating barriers. A novel strategy is employed to selectively immobilize bacteria in the spaces over the electrode digits between the barriers, referred to here as trenches, in order to concentrate bacteria, improve the reproducibility of the E. coli immobilization and increase the sensitivity for monitoring bacterial response. For effective attachment of bacteria within the trenches an initial anchoring layer of a highly charged polycation, polyethyleneimine (PEI), was used. To facilitate immobilization of bacteria within the trenches and prevent their deposition on top of the barriers an important novelty is the use of poly(N-isopropylmethacrylamide) p(NIPMAM) microgels working as antifouling agents, deposited on top of the barriers by microcontact printing. The reported microbial biosensor approach allows the bacterial response to ampicillin, a bacteriolytic antibiotic, to be registered by means of impedance variations in a rapid and label-free operation that enables new possibilities in bioassays for toxicity testing.
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Affiliation(s)
- S Brosel-Oliu
- BioMEMS Group, Institute of Microelectronics of Barcelona (IMB-CNM, CSIC), Esfera UAB-CEI, Campus Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain.
| | - O Mergel
- Department of Biomedical Engineering-FB40A, University of Groningen University Medical Center Groningen, Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - N Uria
- BioMEMS Group, Institute of Microelectronics of Barcelona (IMB-CNM, CSIC), Esfera UAB-CEI, Campus Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain.
| | - N Abramova
- BioMEMS Group, Institute of Microelectronics of Barcelona (IMB-CNM, CSIC), Esfera UAB-CEI, Campus Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain. and Lab. Artificial Sensors Syst., ITMO University, Kronverskiy pr. 49, 197101 St. Petersburg, Russia
| | - P van Rijn
- Department of Biomedical Engineering-FB40A, University of Groningen University Medical Center Groningen, Deusinglaan 1, 9713 AV, Groningen, The Netherlands
| | - A Bratov
- BioMEMS Group, Institute of Microelectronics of Barcelona (IMB-CNM, CSIC), Esfera UAB-CEI, Campus Universitat Autònoma de Barcelona, 08193 Bellaterra, Spain.
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44
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Puri SR, Kim J. Kinetics of Antimicrobial Drug Ion Transfer at a Water/Oil Interface Studied by Nanopipet Voltammetry. Anal Chem 2019; 91:1873-1879. [DOI: 10.1021/acs.analchem.8b03593] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Surendra Raj Puri
- Department of Chemistry, The University of Rhode Island, Kingston, Rhode Island 02881, United States
| | - Jiyeon Kim
- Department of Chemistry, The University of Rhode Island, Kingston, Rhode Island 02881, United States
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