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Štukovnik Z, Fuchs-Godec R, Bren U. Nanomaterials and Their Recent Applications in Impedimetric Biosensing. BIOSENSORS 2023; 13:899. [PMID: 37887092 PMCID: PMC10605062 DOI: 10.3390/bios13100899] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 09/15/2023] [Accepted: 09/19/2023] [Indexed: 10/28/2023]
Abstract
Impedimetric biosensors measure changes in the electrical impedance due to a biochemical process, typically the binding of a biomolecule to a bioreceptor on the sensor surface. Nanomaterials can be employed to modify the biosensor's surface to increase the surface area available for biorecognition events, thereby improving the sensitivity and detection limits of the biosensor. Various nanomaterials, such as carbon nanotubes, carbon nanofibers, quantum dots, metal nanoparticles, and graphene oxide nanoparticles, have been investigated for impedimetric biosensors. These nanomaterials have yielded promising results in improving sensitivity, selectivity, and overall biosensor performance. Hence, they offer a wide range of possibilities for developing advanced biosensing platforms that can be employed in various fields, including healthcare, environmental monitoring, and food safety. This review focuses on the recent developments in nanoparticle-functionalized electrochemical-impedimetric biosensors.
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Affiliation(s)
- Zala Štukovnik
- Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova Ulica 17, 2000 Maribor, Slovenia; (Z.Š.); (R.F.-G.)
| | - Regina Fuchs-Godec
- Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova Ulica 17, 2000 Maribor, Slovenia; (Z.Š.); (R.F.-G.)
| | - Urban Bren
- Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova Ulica 17, 2000 Maribor, Slovenia; (Z.Š.); (R.F.-G.)
- Faculty of Mathematics, Natural Sciences and Information Technologies, University of Primorska, Glagoljaška Ulica 8, 6000 Koper, Slovenia
- Institute of Environmental Protection and Sensors, Beloruska ulica 7, 2000 Maribor, Slovenia
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2
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Bacteriophage-based nano-biosensors for the fast impedimetric determination of pathogens in food samples. Sci Rep 2023; 13:3498. [PMID: 36859463 PMCID: PMC9977096 DOI: 10.1038/s41598-023-30520-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Accepted: 02/24/2023] [Indexed: 03/03/2023] Open
Abstract
The early and rapid detection of pathogenic microorganisms is of critical importance in addressing serious public health issues. Here, a new bacteriophage-based nano-biosensor was constructed and the electrochemical impedimetric method was fully optimized and applied for the quantitative detection of Escherichia coli O157:H7 in food samples. The impact of using a nanocomposite consisting of gold nanoparticles (AuNPs), multi-walled carbon nanotubes (MWCNTs), and tungsten oxide nanostructures (WO3) on the electrochemical performance of disposable screen printed electrodes was identified using the cyclic voltammetry and electrochemical impedance spectroscopy. The use nanomaterials enabled high capturing sensitivity against the targeting bacterial host cells with the limit of detection of 3.0 CFU/ml. Moreover, selectivity of the covalently immobilized active phage was tested against several non-targeting bacterial strains, where a high specificity was achieved. Thus, the targeting foodborne pathogen was successfully detected in food samples with high specificity, and the sensor provided an excellent recovery rate ranging from 90.0 to 108%. Accordingly, the newly developed phage-biosensor is recommended as a disposable label-free impedimetric biosensor for the quick and real-time monitoring of food quality.
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Magar HS, Hassan RYA, Abbas MN. Non-enzymatic disposable electrochemical sensors based on CuO/Co 3O 4@MWCNTs nanocomposite modified screen-printed electrode for the direct determination of urea. Sci Rep 2023; 13:2034. [PMID: 36739320 PMCID: PMC9899286 DOI: 10.1038/s41598-023-28930-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 01/27/2023] [Indexed: 02/06/2023] Open
Abstract
A new electrochemical impedimetric sensor for direct detection of urea was designed and fabricated using nanostructured screen-printed electrodes (SPEs) modified with CuO/Co3O4 @MWCNTs. A facile and simple hydrothermal method was achieved for the chemical synthesis of the CuO/Co3O4 nanocomposite followed by the integration of MWCNTs to be the final platform of the urea sensor. A full physical and chemical characterization for the prepared nanomaterials were performed including Fourier-transform infrared spectroscopy (FTIR), Raman spectroscopy, X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), contact angle, scanning electron microscope (SEM) and transmission electron microscopy (TEM). Additionally, cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) were used to study the electrochemical properties the modified electrodes with the nanomaterials at different composition ratios of the CuO/Co3O4 or MWCNTs. The impedimetric measurements were optimized to reach a picomolar sensitivity and high selectivity for urea detection. From the calibration curve, the linear concentration range of 10-12-10-2 M was obtained with the regression coefficient (R2) of 0.9961 and lower detection limit of 0.223 pM (S/N = 5). The proposed sensor has been used for urea analysis in real samples. Thus, the newly developed non-enzymatic sensor represents a considerable advancement in the field for urea detection, owing to the simplicity, portability, and low cost-sensor fabrication.
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Affiliation(s)
- Hend S. Magar
- grid.419725.c0000 0001 2151 8157Applied Organic Chemistry Department, National Research Centre, P.O. Box. 12622, Dokki, Cairo Egypt
| | - Rabeay Y. A. Hassan
- grid.440881.10000 0004 0576 5483Nanoscience Program, University of Science and Technology (UST), Zewail City of Science and Technology, Giza, 12578 Egypt
| | - Mohammed Nooredeen Abbas
- grid.419725.c0000 0001 2151 8157Applied Organic Chemistry Department, National Research Centre, P.O. Box. 12622, Dokki, Cairo Egypt
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Hassan RYA. Advances in Electrochemical Nano-Biosensors for Biomedical and Environmental Applications: From Current Work to Future Perspectives. SENSORS (BASEL, SWITZERLAND) 2022; 22:s22197539. [PMID: 36236638 PMCID: PMC9573286 DOI: 10.3390/s22197539] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 09/26/2022] [Accepted: 09/30/2022] [Indexed: 05/17/2023]
Abstract
Modern life quality is strongly supported by the advances made in biosensors, which has been attributed to their crucial and viable contribution in point-of-care (POC) technology developments. POC devices are exploited for the fast tracing of disease progression, rapid analysis of water, and food quality assessment. Blood glucose meters, home pregnancy strips, and COVID-19 rapid tests all represent common examples of successful biosensors. Biosensors can provide great specificity due to the incorporation of selective bio-recognition elements and portability at significantly reduced costs. Electrochemical biosensor platforms are one of the most advantageous of these platforms because they offer many merits, such as being cheap, selective, specific, rapid, and portable. Furthermore, they can be incorporated into smartphones and various analytical approaches in order to increase their sensitivity and many other properties. As a very broad and interdisciplinary area of research and development, biosensors include all disciplines and backgrounds from materials science, chemistry, physics, medicine, microbiology/biology, and engineering. Accordingly, in this state-of-the-art article, historical background alongside the long journey of biosensing construction and development, starting from the Clark oxygen electrode until reaching highly advanced wearable stretchable biosensing devices, are discussed. Consequently, selected examples among the miscellaneous applications of nanobiosensors (such as microbial detection, cancer diagnosis, toxicity analysis, food quality-control assurance, point of care, and health prognosis) are described. Eventually, future perspectives for intelligent biosensor commercialization and exploitation in real-life that is going to be supported by machine learning and artificial intelligence (AI) are stated.
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Affiliation(s)
- Rabeay Y. A. Hassan
- Applied Organic Chemistry Department, National Research Centre Dokki, Cairo 12622, Egypt; ; Tel.: +20-11292-16152
- Nanoscience Program, University of Science and Technology (UST), Zewail City of Science and Technology, Giza 12578, Egypt
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5
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Mahmoud RH, Gomaa OM, Hassan RYA. Bio-electrochemical frameworks governing microbial fuel cell performance: technical bottlenecks and proposed solutions. RSC Adv 2022; 12:5749-5764. [PMID: 35424538 PMCID: PMC8981509 DOI: 10.1039/d1ra08487a] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Accepted: 02/10/2022] [Indexed: 12/02/2022] Open
Abstract
Microbial fuel cells (MFCs) are recognized as a future technology with a unique ability to exploit metabolic activities of living microorganisms for simultaneous conversion of chemical energy into electrical energy. This technology holds the promise to offer sustained innovations and continuous development towards many different applications and value-added production that extends beyond electricity generation, such as water desalination, wastewater treatment, heavy metal removal, bio-hydrogen production, volatile fatty acid production and biosensors. Despite these advantages, MFCs still face technical challenges in terms of low power and current density, limiting their use to powering only small-scale devices. Description of some of these challenges and their proposed solutions is demanded if MFCs are applied on a large or commercial scale. On the other hand, the slow oxygen reduction process (ORR) in the cathodic compartment is a major roadblock in the commercialization of fuel cells for energy conversion. Thus, the scope of this review article addresses the main technical challenges of MFC operation and provides different practical approaches based on different attempts reported over the years. Sustainable operation requires addressing key MFC-bottleneck issues. Enhancing extracellular electron transfer is the key to elevated MFC performance.![]()
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Affiliation(s)
- Rehab H. Mahmoud
- Water Pollution Research Department, National Research Centre (NRC), Dokki, Giza, Egypt
| | - Ola M. Gomaa
- Microbiology Department, National Center for Radiation Research and Technology (NCRRT), Egyptian Atomic Energy Authority (EAEA), Nasr City, Cairo, Egypt
| | - Rabeay Y. A. Hassan
- Nanoscience Program, University of Science and Technology (UST), Zewail City of Science and Technology, 6th October City, Giza 12578, Egypt
- Applied Organic Chemistry Department, National Research Centre (NRC), Dokki, 12622 Giza, Egypt
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6
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Electrochemical Impedance Spectroscopy (EIS): Principles, Construction, and Biosensing Applications. SENSORS 2021; 21:s21196578. [PMID: 34640898 PMCID: PMC8512860 DOI: 10.3390/s21196578] [Citation(s) in RCA: 175] [Impact Index Per Article: 58.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/17/2021] [Accepted: 09/26/2021] [Indexed: 01/10/2023]
Abstract
Electrochemical impedance spectroscopy (EIS) is a powerful technique used for the analysis of interfacial properties related to bio-recognition events occurring at the electrode surface, such as antibody–antigen recognition, substrate–enzyme interaction, or whole cell capturing. Thus, EIS could be exploited in several important biomedical diagnosis and environmental applications. However, the EIS is one of the most complex electrochemical methods, therefore, this review introduced the basic concepts and the theoretical background of the impedimetric technique along with the state of the art of the impedimetric biosensors and the impact of nanomaterials on the EIS performance. The use of nanomaterials such as nanoparticles, nanotubes, nanowires, and nanocomposites provided catalytic activity, enhanced sensing elements immobilization, promoted faster electron transfer, and increased reliability and accuracy of the reported EIS sensors. Thus, the EIS was used for the effective quantitative and qualitative detections of pathogens, DNA, cancer-associated biomarkers, etc. Through this review article, intensive literature review is provided to highlight the impact of nanomaterials on enhancing the analytical features of impedimetric biosensors.
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Zha Z, Zhang Z, Xiang P, Zhu H, Shi X, Chen S. Porous graphitic carbon from mangosteen peel as efficient electrocatalyst in microbial fuel cells. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 764:142918. [PMID: 33158514 DOI: 10.1016/j.scitotenv.2020.142918] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 10/04/2020] [Accepted: 10/04/2020] [Indexed: 06/11/2023]
Abstract
In this study, a low-cost and efficient strategy to synthesize nitrogen self-doped porous graphitic carbon was proposed by using mangosteen peel as both the carbon and nitrogen source, combined with molten KOH activation and Co2+ catalytic graphitization. The mangosteen peel carbon catalyst prepared at 800 °C (referred to as MPC-800) possessed a large specific surface area (1168 m2/g), appropriate porous structure, high graphitization degree, and high pyridinic and graphitic nitrogen content. Further, electrochemical measurements indicated that the MPC-800 catalyst showed good oxygen reduction reaction activity. Moreover, MPC-800 as cathode catalyst displays an onset potential of 0.150 V (vs. Ag/AgCl) and half-wave potential of -0.091 V (vs. Ag/AgCl) in neutral medium, which is more positive than commercial Pt/C (0.121 V and -0.113 V, respectively). The maximum power density of microbial fuel cells using MPC-800 was 240 mW/m2, which was slightly superior to that of the Pt/C cathode (220 mW/m2). This work proposed a novel method, based on the low cost and wide availability of waste mangosteen peel, to synthesize an excellent oxygen reduction reaction catalyst for microbial fuel cells.
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Affiliation(s)
- Zhengtai Zha
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China; College of Environment and Ecology, Chongqing University, Chongqing 400045, China
| | - Zhi Zhang
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China; College of Environment and Ecology, Chongqing University, Chongqing 400045, China.
| | - Ping Xiang
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China; College of Environment and Ecology, Chongqing University, Chongqing 400045, China
| | - Hongyi Zhu
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China; College of Environment and Ecology, Chongqing University, Chongqing 400045, China
| | - Xueping Shi
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China; College of Environment and Ecology, Chongqing University, Chongqing 400045, China
| | - Shihao Chen
- Key Laboratory of Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China; College of Environment and Ecology, Chongqing University, Chongqing 400045, China
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8
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Microbial Electrochemical Systems: Principles, Construction and Biosensing Applications. SENSORS 2021; 21:s21041279. [PMID: 33670122 PMCID: PMC7916843 DOI: 10.3390/s21041279] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 02/02/2021] [Accepted: 02/04/2021] [Indexed: 02/07/2023]
Abstract
Microbial electrochemical systems are a fast emerging technology that use microorganisms to harvest the chemical energy from bioorganic materials to produce electrical power. Due to their flexibility and the wide variety of materials that can be used as a source, these devices show promise for applications in many fields including energy, environment and sensing. Microbial electrochemical systems rely on the integration of microbial cells, bioelectrochemistry, material science and electrochemical technologies to achieve effective conversion of the chemical energy stored in organic materials into electrical power. Therefore, the interaction between microorganisms and electrodes and their operation at physiological important potentials are critical for their development. This article provides an overview of the principles and applications of microbial electrochemical systems, their development status and potential for implementation in the biosensing field. It also provides a discussion of the recent developments in the selection of electrode materials to improve electron transfer using nanomaterials along with challenges for achieving practical implementation, and examples of applications in the biosensing field.
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9
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Mahmoud RH, Samhan FA, Ibrahim MK, Ali GH, Hassan RYA. Formation of electroactive biofilms derived by nanostructured anodes surfaces. Bioprocess Biosyst Eng 2021; 44:759-768. [PMID: 33420818 DOI: 10.1007/s00449-020-02485-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 11/16/2020] [Indexed: 11/27/2022]
Abstract
Microbial fuel cells (MFCs) have significant interest in the research community due to their ability to generate electricity from biodegradable organic matters. Anode materials and their morphological structures play a crucial role in the formation of electroactive biofilms that enable the direct electron transfer. In this work, modified electrodes with nanomaterials, such as multiwalled carbon nanotubes (MWCNTs), reduced graphene oxide (rGO), Al2O3/rGO or MnO2/MWCNTs nanocomposites were synthesized, characterized and utilized to support the growth of electrochemically active biofilms. The MFC's performance is optimized using anode-respiring strains isolated from biofilm-anode surface, while the adjusted operation is conducted with the consortium of (Enterobacter sp.). Besides the formation of matured biofilm on its surface, MnO2/MWCNTs nanocomposite produced the highest electrical potential outputs (710 mV) combined with the highest power density (372 mW/m2). Thus, a correlation between the anode nanostructured materials and the progression of the electrochemically active biofilms formation is presented, allowing new thoughts for enhancing the MFC's performance for potential applications ranging from wastewater treatment to power sources.
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Affiliation(s)
- Rehab H Mahmoud
- Water Pollution Research Department, National Research Centre (NRC), Dokki, Giza, 12622, Egypt
| | - Farag A Samhan
- Water Pollution Research Department, National Research Centre (NRC), Dokki, Giza, 12622, Egypt
| | | | - Gamila H Ali
- Water Pollution Research Department, National Research Centre (NRC), Dokki, Giza, 12622, Egypt
| | - Rabeay Y A Hassan
- Applied Organic Chemistry Department, National Research Centre (NRC), Dokki, Giza, 12622, Egypt.
- Nanoscience Program, University of Science and Technology (UST), Zewail City of Science and Technology, 6th October City, Giza, 12578, Egypt.
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10
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Djawad YA, Attwood D, Kiely J, Luxton R. The application of detrended fluctuation analysis to assess physical characteristics of the human cell line ECV304 following toxic challenges. SENSING AND BIO-SENSING RESEARCH 2019. [DOI: 10.1016/j.sbsr.2019.100269] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
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11
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Hassan RYA, Wollenberger U. Direct Determination of Bacterial Cell Viability Using Carbon Nanotubes Modified Screen‐printed Electrodes. ELECTROANAL 2019. [DOI: 10.1002/elan.201900047] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Rabeay Y. A. Hassan
- Institute of Biochemistry and BiologyUniversity of Potsdam Karl-Liebknechtstrasse 24–25 14476 Potsdam-Golm Germany
- Applied Organic Chemistry DepartmentNational Research Centre (NRC) El Bohouth St., Dokki 12622 Giza Egypt
- Center for Materials ScienceZewail City of Science and Technology 6th October City 12588 Giza, Egypt
| | - Ulla Wollenberger
- Institute of Biochemistry and BiologyUniversity of Potsdam Karl-Liebknechtstrasse 24–25 14476 Potsdam-Golm Germany
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12
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Sedki M, Hassan RYA, Andreescu S, El-Sherbiny IM. Online-monitoring of biofilm formation using nanostructured electrode surfaces. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 100:178-185. [PMID: 30948051 DOI: 10.1016/j.msec.2019.02.112] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 02/04/2019] [Accepted: 02/28/2019] [Indexed: 01/10/2023]
Abstract
The direct monitoring of biofilm formation enables valuable insights into the industrial processes, microbiology, and biomedical applications. Therefore, in the present study, nano-structured bioelectrochemical platforms were designed for sensing the formation of biofilm of P. aeruginosa along with monitoring its electrochemical/morphological changes under different stresses. Through the assay optimizations, the performances of different electrode modifiers such as reduced graphene oxide (rGO) nanosheets, hyperbranched chitosan nanoparticles (HBCs NPs), and rGO-HBCs nano-composite were tested to assess the influence of the electrode materials on biofilm progression. As a need for the anodic respiration, the bioelectrochemical responses of the adhered bacterial cells changed from a non-electrochemically active (planktonic state) to an electrochemically active (biofilm matrix) state. Our results demonstrated that electrode modifications with conductive nanostructured elements is highly sensitive and enable direct assay for the biofilm formation without any preachments. Consequently, the morphological changes in bacterial cell wall, upon switching from the planktonic state to the biofilm matrix were imaged using scanning electron microscopy (SEM), and the changes in cell wall chemical composition were monitored by the Energy Dispersive X-ray analysis (EDX). Thus, the designed microbial electrochemical system (MES) was successfully used to monitor changes in the biofilm matrix under different stresses through direct measurements of electron exchanges.
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Affiliation(s)
- Mohammed Sedki
- Nanomaterials Laboratory, Center for Materials Science, Zewail City of Science and Technology, 6th October City, 12588 Giza, Egypt
| | - Rabeay Y A Hassan
- Nanomaterials Laboratory, Center for Materials Science, Zewail City of Science and Technology, 6th October City, 12588 Giza, Egypt; Applied Organic Chemistry Department, National Research Centre (NRC), Dokki, 12622 Giza, Egypt.
| | - Silvana Andreescu
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY 13699-5810, USA
| | - Ibrahim M El-Sherbiny
- Nanomaterials Laboratory, Center for Materials Science, Zewail City of Science and Technology, 6th October City, 12588 Giza, Egypt.
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Leonard H, Colodner R, Halachmi S, Segal E. Recent Advances in the Race to Design a Rapid Diagnostic Test for Antimicrobial Resistance. ACS Sens 2018; 3:2202-2217. [PMID: 30350967 DOI: 10.1021/acssensors.8b00900] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Even with advances in antibiotic therapies, bacterial infections persistently plague society and have amounted to one of the most prevalent issues in healthcare today. Moreover, the improper and excessive administration of antibiotics has led to resistance of many pathogens to prescribed therapies, rendering such antibiotics ineffective against infections. While the identification and detection of bacteria in a patient's sample is critical for point-of-care diagnostics and in a clinical setting, the consequent determination of the correct antibiotic for a patient-tailored therapy is equally crucial. As a result, many recent research efforts have been focused on the development of sensors and systems that correctly guide a physician to the best antibiotic to prescribe for an infection, which can in turn, significantly reduce the instances of antibiotic resistance and the evolution of bacteria "superbugs." This review details the advantages and shortcomings of the recent advances (focusing from 2016 and onward) made in the developments of antimicrobial susceptibility testing (AST) measurements. Detection of antibiotic resistance by genomic AST techniques relies on the prediction of antibiotic resistance via extracted bacterial DNA content, while phenotypic determinations typically track physiological changes in cells and/or populations exposed to antibiotics. Regardless of the method used for AST, factors such as cost, scalability, and assay time need to be weighed into their design. With all of the expansive innovation in the field, which technology and sensing systems demonstrate the potential to detect antimicrobial resistance in a clinical setting?
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Affiliation(s)
- Heidi Leonard
- Department of Biotechnology and Food Engineering, Technion − Israel Institute of Technology, Haifa, Israel 3200003
| | - Raul Colodner
- Laboratory of Clinical Microbiology, Emek Medical Center, Afula, Israel 18101
| | - Sarel Halachmi
- Department of Urology, Bnai Zion Medical Center, Haifa, Israel 3104800
| | - Ester Segal
- Department of Biotechnology and Food Engineering, Technion − Israel Institute of Technology, Haifa, Israel 3200003
- The Russell Berrie Nanotechnology Institute, Technion − Israel Institute of Technology, Haifa, Israel, 3200003
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14
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Gao G, Wang D, Brocenschi R, Zhi J, Mirkin MV. Toward the Detection and Identification of Single Bacteria by Electrochemical Collision Technique. Anal Chem 2018; 90:12123-12130. [DOI: 10.1021/acs.analchem.8b03043] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Guanyue Gao
- Department of Chemistry and Biochemistry, Queens College-City University of New York, Flushing, New York 11367, United States
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, PR China
- University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Dengchao Wang
- Department of Chemistry and Biochemistry, Queens College-City University of New York, Flushing, New York 11367, United States
| | - Ricardo Brocenschi
- Department of Chemistry and Biochemistry, Queens College-City University of New York, Flushing, New York 11367, United States
- Centro de Estudos do Mar, Universidade Federal do Paraná, 83255-976 Pontal do Paraná, Paraná, Brazil
| | - Jinfang Zhi
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, PR China
- University of Chinese Academy of Sciences, Beijing 100049, PR China
| | - Michael V. Mirkin
- Department of Chemistry and Biochemistry, Queens College-City University of New York, Flushing, New York 11367, United States
- The Graduate Center, City University of New York, New York, New York 10016, United States
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15
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Electrochemical detection of dihydronicotinamide adenine dinucleotide using Al2O3-GO nanocomposite modified electrode. ARAB J CHEM 2018. [DOI: 10.1016/j.arabjc.2018.03.017] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
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16
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Mahmoud RH, Samhan FA, Ali GH, Ibrahim MK, Hassan RY. Assisting the biofilm formation of exoelectrogens using nanostructured microbial fuel cells. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2018.07.045] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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17
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Smarzewska S, Miękoś E, Guziejewski D, Zieliński M, Burnat B. Graphene oxide activation with a constant magnetic field. Anal Chim Acta 2018; 1011:35-39. [PMID: 29475483 DOI: 10.1016/j.aca.2018.01.051] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Revised: 01/16/2018] [Accepted: 01/22/2018] [Indexed: 10/18/2022]
Abstract
The effect of constant magnetic field strength on activation of sensors modified with graphene oxide monolayers was investigated. The use of constant magnetic field resulted in improved electroanalytical properties of the sensors. It was proven that level of GO activation is clearly related to constant magnetic field strength. Moreover, it was demonstrated that observed phenomenon is stable in time.
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Affiliation(s)
- Sylwia Smarzewska
- Department of Inorganic and Analytical Chemistry, Faculty of Chemistry, University of Lodz, Tamka 12, 91-403 Lodz, Poland.
| | - Ewa Miękoś
- Department of Inorganic and Analytical Chemistry, Faculty of Chemistry, University of Lodz, Tamka 12, 91-403 Lodz, Poland
| | - Dariusz Guziejewski
- Department of Inorganic and Analytical Chemistry, Faculty of Chemistry, University of Lodz, Tamka 12, 91-403 Lodz, Poland
| | - Marek Zieliński
- Department of Inorganic and Analytical Chemistry, Faculty of Chemistry, University of Lodz, Tamka 12, 91-403 Lodz, Poland
| | - Barbara Burnat
- Department of Inorganic and Analytical Chemistry, Faculty of Chemistry, University of Lodz, Tamka 12, 91-403 Lodz, Poland
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18
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Wang Y, Wu J, Yang S, Li H, Li X. Electrode Modification and Optimization in Air-Cathode Single-Chamber Microbial Fuel Cells. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2018; 15:ijerph15071349. [PMID: 29954125 PMCID: PMC6068820 DOI: 10.3390/ijerph15071349] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 06/06/2018] [Accepted: 06/06/2018] [Indexed: 11/25/2022]
Abstract
Due to the known problems of microbial fuel cells (MFCs), such as low electricity generation performance and high cost of operation, we modified the electrode with graphene and polyaniline (PANI) is a single-chamber air-cathode MFC and then evaluated the effects of electrode modification on MFC electricity generation performance. Carbon cloth electrodes (unmodified, CC; graphene-modified, G/CC; and polyaniline-graphene-modified, PANI-G/CC) were prepared using the impregnation method. Sulfonated cobalt phthalocyanine (CoPcS) was then introduced as a cathode catalyst. The Co-PANI-G/CC cathode showed higher catalytic activity toward oxygen reduction compared with other electrodes. The maximum power density of the MFC with Co-PANI-G/CC cathode was 32.2 mW/m2, which was 1.8 and 6.1 times higher than the value obtained with Co-G/CC and Co/CC cathodes, respectively. This indicates a significant improvement in the electricity generation of single-chamber MFCs and provides a simple, effective cathode modification method. Furthermore, we constructed single-chamber MFCs using the modified anode and cathode and analyzed electricity generation and oxytetracycline (OTC) degradation with different concentrations of OTC as the fuel. With increasing added OTC concentration, the MFC performance in both electricity generation and OTC degradation gradually decreased. However, when less than 50 mg/L OTC was added, the 5-day degradation rate of OTC reached more than 90%. It is thus feasible to process OTC-containing wastewater and produce electricity using single-chamber MFCs, which provides a new concept for wastewater treatment.
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Affiliation(s)
- Yanhua Wang
- School of Geography and Tourism, Shaanxi Normal University, Xi'an 710119, China.
- Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region, Ministry of Education, School of Environmental Science and Engineering, Chang'an University, Xi'an 710054, China.
| | - Jiayan Wu
- School of Geography and Tourism, Shaanxi Normal University, Xi'an 710119, China.
| | - Shengke Yang
- Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region, Ministry of Education, School of Environmental Science and Engineering, Chang'an University, Xi'an 710054, China.
| | - Huihui Li
- Key Laboratory of Subsurface Hydrology and Ecological Effects in Arid Region, Ministry of Education, School of Environmental Science and Engineering, Chang'an University, Xi'an 710054, China.
| | - Xiaoping Li
- School of Geography and Tourism, Shaanxi Normal University, Xi'an 710119, China.
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19
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Selim HMM, Kamal AM, Ali DMM, Hassan RYA. Bioelectrochemical Systems for Measuring Microbial Cellular Functions. ELECTROANAL 2017. [DOI: 10.1002/elan.201700110] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Hend M. M. Selim
- Department of Botany; Faculty of Science; Fayoum University; Fayoum Egypt
| | | | - Dina M. M. Ali
- Analytical and Inorganic Chemistry Depart; Suez Canal University; Ismailia Egypt
| | - Rabeay Y. A. Hassan
- Microanalysis Lab; Applied Organic Chemistry; Department, National Research Centre (NRC); El Bohouth st. Dokki 12622-Giza Egypt
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