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Kuss S, Couto RAS, Evans RM, Lavender H, Tang CC, Compton RG. Versatile Electrochemical Sensing Platform for Bacteria. Anal Chem 2019; 91:4317-4322. [PMID: 30811935 DOI: 10.1021/acs.analchem.9b00326] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Bacterial infections present one of the leading causes of mortality worldwide, resulting in an urgent need for sensitive, selective, cost-efficient, and easy-to-handle technologies to rapidly detect contaminations and infections with pathogens. The presented research reports a fully functional chemical-detection principle, addressing all of the above-mentioned requirements for a successful biosensing device. With the examples of Escherichia coli and Neisseria gonorrheae, we present an electrochemical biosensor based on the bacterial expression of cytochrome c oxidase for the selective detection of clinically relevant concentrations within seconds after pathogen immobilization. The generality of the biochemical reaction, as well as the easy substitution of target-specific antibodies make this concept applicable to a large number of different pathogenic bacteria. The successful transfer of this semidirect detection principle onto inexpensive, screen-printed electrodes for portable devices represents a potential major advance in the field of biosensor development.
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Affiliation(s)
- Sabine Kuss
- Department of Chemistry , University of Oxford , South Parks Road , Oxford OX1 3QZ , United Kingdom.,Laboratory for Bioanalytics and Clinical Chemistry, Department of Chemistry , University of Manitoba , Winnipeg , Manitoba R3T 2N2 , Canada
| | - Rosa A S Couto
- REQUIMTE, LAQV, Laboratory of Applied Chemistry, Department of Chemical Sciences, Faculty of Pharmacy , University of Porto , 4099-002 Porto , Portugal
| | - Rhiannon M Evans
- Inorganic Chemistry Laboratory , University of Oxford , South Parks Road , Oxford OX1 3QR , United Kingdom
| | - Hayley Lavender
- Sir William Dunn School of Pathology, University of Oxford , Oxford OX1 3QR , United Kingdom
| | - Christoph C Tang
- Sir William Dunn School of Pathology, University of Oxford , Oxford OX1 3QR , United Kingdom
| | - Richard G Compton
- Department of Chemistry , University of Oxford , South Parks Road , Oxford OX1 3QZ , United Kingdom
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Simoska O, Sans M, Fitzpatrick MD, Crittenden CM, Eberlin LS, Shear JB, Stevenson KJ. Real-Time Electrochemical Detection of Pseudomonas aeruginosa Phenazine Metabolites Using Transparent Carbon Ultramicroelectrode Arrays. ACS Sens 2019; 4:170-179. [PMID: 30525472 DOI: 10.1021/acssensors.8b01152] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Here, we use a recently developed electrochemical sensing platform of transparent carbon ultramicroelectrode arrays (T-CUAs) for the in vitro detection of phenazine metabolites from the opportunistic human pathogen Pseudomonas aeruginosa. Specifically, redox-active metabolites pyocyanin (PYO), 5-methylphenazine-1-carboxylic acid (5-MCA), and 1-hydroxyphenazine (OHPHZ) are produced by P. aeruginosa, which is commonly found in chronic wound infections and in the lungs of cystic fibrosis patients. As highly diffusible chemicals, PYO and other metabolites are extremely toxic to surrounding host cells and other competing microorganisms, thus their detection is of great importance as it could provide insights regarding P. aeruginosa virulence mechanisms. Phenazine metabolites are known to play important roles in cellular functions; however, very little is known about how their concentrations fluctuate and influence cellular behaviors over the course of infection and growth. Herein we report the use of easily assembled, low-cost electrochemical sensors that provide rapid response times, enhanced sensitivity, and high reproducibility. As such, these T-CUAs enable real-time electrochemical monitoring of PYO and another extremely reactive and distinct redox-active phenazine metabolite, 5-methylphenazine-1-carboxylic acid (5-MCA), from a highly virulent laboratory P. aeruginosa strain, PA14. In addition to quantifying phenazine metabolite concentrations, changes in phenazine dynamics are observed in the biosynthetic route for the production of PYO. Our quantitative results, over a 48-h period, show increasing PYO concentrations during the first 21 h of bacterial growth, after which PYO levels plateau and then slightly decrease. Additionally, we explore environmental effects on phenazine dynamics and PYO concentrations in two growth media, tryptic soy broth (TSB) and lysogeny broth (LB). The maximum concentrations of cellular PYO were determined to be 190 ± 5 μM and 150 ± 1 μM in TSB and LB, respectively. Finally, using desorption electrospray ionization (DESI) and nanoelectrospray ionization (nano-ESI) mass spectrometry we confirm the detection and identification of reactive phenazine metabolites.
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Affiliation(s)
- Olja Simoska
- Department of Chemistry, University of Texas at Austin, 1 University Station, Stop A5300, Austin, Texas 78712, United States
| | - Marta Sans
- Department of Chemistry, University of Texas at Austin, 1 University Station, Stop A5300, Austin, Texas 78712, United States
| | - Mignon D. Fitzpatrick
- Department of Chemistry, University of Texas at Austin, 1 University Station, Stop A5300, Austin, Texas 78712, United States
| | - Christopher M. Crittenden
- Department of Chemistry, University of Texas at Austin, 1 University Station, Stop A5300, Austin, Texas 78712, United States
| | - Livia S. Eberlin
- Department of Chemistry, University of Texas at Austin, 1 University Station, Stop A5300, Austin, Texas 78712, United States
| | - Jason B. Shear
- Department of Chemistry, University of Texas at Austin, 1 University Station, Stop A5300, Austin, Texas 78712, United States
| | - Keith J. Stevenson
- Center for Electrochemical Energy Storage, Skolkovo Institute of Science and Technology, 3 Nobel Street, Moscow 143026, Russia
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53
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Couto RAS, Chen L, Kuss S, Compton RG. Detection of Escherichia coli bacteria by impact electrochemistry. Analyst 2018; 143:4840-4843. [PMID: 30238951 DOI: 10.1039/c8an01675e] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
We report the redox mediated detection of Escherichia coli bacteria at carbon microelectrodes, using the impact electrochemistry technique. By employing N,N,N',N'-tetramethyl-para-phenylene-diamine (TMPD) as redox mediator a concentration dependency for bacteria impacts was observed, whereby its impact frequency is shown to be in good agreement with theoretically predicted values.
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Affiliation(s)
- Rosa A S Couto
- LAQV/REQUIMTE, Department of Chemical Sciences, Faculty of Pharmacy, University of Porto, Porto, Portugal
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54
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Kuss S, Amin HMA, Compton RG. Electrochemical Detection of Pathogenic Bacteria-Recent Strategies, Advances and Challenges. Chem Asian J 2018; 13:2758-2769. [DOI: 10.1002/asia.201800798] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 07/26/2018] [Indexed: 12/27/2022]
Affiliation(s)
- Sabine Kuss
- Department of Chemistry, Physical and Theoretical Chemistry Laboratory; University of Oxford; South Parks Road Oxford OX1 3QZ UK
| | - Hatem M. A. Amin
- Department of Chemistry, Physical and Theoretical Chemistry Laboratory; University of Oxford; South Parks Road Oxford OX1 3QZ UK
| | - Richard G. Compton
- Department of Chemistry, Physical and Theoretical Chemistry Laboratory; University of Oxford; South Parks Road Oxford OX1 3QZ UK
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55
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Frkonja-Kuczin A, Ray L, Zhao Z, Konopka MC, Boika A. Electrokinetic preconcentration and electrochemical detection of Escherichia coli at a microelectrode. Electrochim Acta 2018. [DOI: 10.1016/j.electacta.2018.05.120] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
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Sismaet HJ, Goluch ED. Electrochemical Probes of Microbial Community Behavior. ANNUAL REVIEW OF ANALYTICAL CHEMISTRY (PALO ALTO, CALIF.) 2018; 11:441-461. [PMID: 29490192 DOI: 10.1146/annurev-anchem-061417-125627] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Advances in next-generation sequencing technology along with decreasing costs now allow the microbial population, or microbiome, of a location to be determined relatively quickly. This research reveals that microbial communities are more diverse and complex than ever imagined. New and specialized instrumentation is required to investigate, with high spatial and temporal resolution, the dynamic biochemical environment that is created by microbes, which allows them to exist in every corner of the Earth. This review describes how electrochemical probes and techniques are being used and optimized to learn about microbial communities. Described approaches include voltammetry, electrochemical impedance spectroscopy, scanning electrochemical microscopy, separation techniques coupled with electrochemical detection, and arrays of complementary metal-oxide-semiconductor circuits. Microbial communities also interact with and influence their surroundings; therefore, the review also includes a discussion of how electrochemical probes optimized for microbial analysis are utilized in healthcare diagnostics and environmental monitoring applications.
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Affiliation(s)
- Hunter J Sismaet
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts 02115, USA;
| | - Edgar D Goluch
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts 02115, USA;
- Department of Bioengineering, Department of Biology, and Department of Civil and Environmental Engineering, Northeastern University, Boston, Massachusetts 02115, USA
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Choi J, Seong TW, Jeun M, Lee KH. Field-Effect Biosensors for On-Site Detection: Recent Advances and Promising Targets. Adv Healthc Mater 2017; 6. [PMID: 28885777 DOI: 10.1002/adhm.201700796] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Revised: 07/24/2017] [Indexed: 12/21/2022]
Abstract
There is an explosive interest in the immediate and cost-effective analysis of field-collected biological samples, as many advanced biodetection tools are highly sensitive, yet immobile. On-site biosensors are portable and convenient sensors that provide detection results at the point of care. They are designed to secure precision in highly ionic and heterogeneous solutions with minimal hardware. Among various methods that are capable of such analysis, field-effect biosensors are promising candidates due to their unique sensitivity, manufacturing scalability, and integrability with computational circuitry. Recent developments in nanotechnological surface modification show promising results in sensing from blood, serum, and urine. This report gives a particular emphasis on the on-site efficacy of recently published field-effect biosensors, specifically, detection limits in physiological solutions, response times, and scalability. The survey of the properties and existing detection methods of four promising biotargets, exosomes, bacteria, viruses, and metabolites, aims at providing a roadmap for future field-effect and other on-site biosensors.
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Affiliation(s)
- Jaebin Choi
- Sensor System Research Center; Korea Institute of Science and Technology (KIST); 5 Hwarang-ro 14-gil Seongbuk-gu Seoul 02792 Republic of Korea
| | - Tae Wha Seong
- Center for Biomaterials; Biomedical Research Institute; Korea Institute of Science and Technology (KIST); 5 Hwarang-ro 14-gil Seongbuk-gu Seoul 02792 Republic of Korea
| | - Minhong Jeun
- Center for Biomaterials; Biomedical Research Institute; Korea Institute of Science and Technology (KIST); 5 Hwarang-ro 14-gil Seongbuk-gu Seoul 02792 Republic of Korea
| | - Kwan Hyi Lee
- Center for Biomaterials; Biomedical Research Institute; Korea Institute of Science and Technology (KIST); 5 Hwarang-ro 14-gil Seongbuk-gu Seoul 02792 Republic of Korea
- Department of Biomedical Engineering; Korea University of Science and Technology (UST); 5 Hwarang-ro 14-gil Seongbuk-gu Seoul 02792 Republic of Korea
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58
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Meng X, Yang G, Li F, Liang T, Lai W, Xu H. Sensitive Detection of Staphylococcus aureus with Vancomycin-Conjugated Magnetic Beads as Enrichment Carriers Combined with Flow Cytometry. ACS APPLIED MATERIALS & INTERFACES 2017; 9:21464-21472. [PMID: 28590745 DOI: 10.1021/acsami.7b05479] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
A novel sandwich strategy was designed to detect Staphylococcus aureus. The strategy is based on an antibacterial agent that captures bacterial cells and a fluorescein-labeled antibody that acts as the signal-output probe. Vancomycin (Van), which exerts a strong antibacterial effect on Gram-positive bacteria, was utilized as a molecular recognition agent to detect pathogenic bacteria. To effectively concentrate S. aureus, we used bovine serum albumin (BSA) as the amplification carrier to modify magnetic beads (MBs), which were then functionalized with Van. To improve the specificity of the method for S. aureus detection, we adopted fluorescein isothiocyanate (FITC)-tagged pig immunoglobulin G (FITC-pig IgG) as the signal probe and the second recognition agent that bound between the Fc fragment of pig IgG and protein A in the surface of S. aureus. To quantify S. aureus, we measured the fluorescence signal by flow cytometry (FCM). The use of multivalent magnetic nanoprobes (Van-BSA-MBs) showed a high concentration efficiency (>98%) at bacterial concentrations of only 33 colony-forming units (CFU)/mL. Furthermore, the sandwich mode (FITC-pig IgG/SA/Van-BSA-MBs) also showed ideal specificity because Van and IgG bound with S. aureus at two distinct sites. The detection limit for S. aureus was 3.3 × 101 CFU/mL and the total detection process could be completed within 120 min. Other Gram-positive bacteria and Gram-negative bacteria, including Listeria monocytogenes, Bacillus cereus, Cronobacter sakazakii, Escherichia coli O157:H7, and Salmonella Enteritidis, negligibly interfered with S. aureus detection. The proposed detection strategy for S. aureus possesses attractive characteristics, such as high sensitivity, simple operation, short testing time, and low cost.
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Affiliation(s)
- Xiangyu Meng
- State Key Laboratory of Food Science and Technology, Nanchang University , Nanchang 330047, P. R. China
| | - Guotai Yang
- State Key Laboratory of Food Science and Technology, Nanchang University , Nanchang 330047, P. R. China
| | - Fulai Li
- State Key Laboratory of Food Science and Technology, Nanchang University , Nanchang 330047, P. R. China
| | - Taobo Liang
- State Key Laboratory of Food Science and Technology, Nanchang University , Nanchang 330047, P. R. China
| | - Weihua Lai
- State Key Laboratory of Food Science and Technology, Nanchang University , Nanchang 330047, P. R. China
| | - Hengyi Xu
- State Key Laboratory of Food Science and Technology, Nanchang University , Nanchang 330047, P. R. China
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59
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Tong Y, Xu J, Jiang H, Gao F, Lu Q. One-step synthesis of novel Cu@polymer nanocomposites through a self-activated route and their application as nonenzymatic glucose sensors. Dalton Trans 2017; 46:9918-9924. [DOI: 10.1039/c7dt01931a] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Novel core–shell Cu@polymer nanocomposites were synthesized through a one-step self-activated route and developed as nonenzymatic glucose sensor.
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Affiliation(s)
- Yinlin Tong
- Department of Materials Science and Engineering
- Collaborative Innovation Center of Advanced Microstructures
- Nanjing University
- Nanjing 210093
- P. R. China
| | - Jiaying Xu
- State Key Laboratory of Coordination Chemistry
- Coordination Chemistry Institute
- Collaborative Innovation Center of Advanced Microstructures
- Nanjing National Laboratory of Microstructures
- School of Chemistry and Chemical Engineering
| | - Hong Jiang
- Department of Materials Science and Engineering
- Collaborative Innovation Center of Advanced Microstructures
- Nanjing University
- Nanjing 210093
- P. R. China
| | - Feng Gao
- Department of Materials Science and Engineering
- Collaborative Innovation Center of Advanced Microstructures
- Nanjing University
- Nanjing 210093
- P. R. China
| | - Qingyi Lu
- State Key Laboratory of Coordination Chemistry
- Coordination Chemistry Institute
- Collaborative Innovation Center of Advanced Microstructures
- Nanjing National Laboratory of Microstructures
- School of Chemistry and Chemical Engineering
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60
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Xu M, Wang R, Li Y. An electrochemical biosensor for rapid detection of E. coli O157:H7 with highly efficient bi-functional glucose oxidase-polydopamine nanocomposites and Prussian blue modified screen-printed interdigitated electrodes. Analyst 2016; 141:5441-9. [PMID: 27358917 DOI: 10.1039/c6an00873a] [Citation(s) in RCA: 62] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The presence of pathogenic bacteria in foods has always been a great threat to the wellbeing of people and the revenue of food manufacturers. Therefore, the demand for advanced detection methods that can sensitively and rapidly detect these pathogens has been of great importance. This study reports an electrochemical biosensor for rapid detection of E. coli O157:H7 with the integration of bifunctional glucose oxidase (GOx)-polydopamine (PDA) based polymeric nanocomposites (PMNCs) and Prussian blue (PB) modified screen-printed interdigitated microelectrodes (SP-IDMEs). The core-shell magnetic beads (MBs)-GOx@PDA PMNCs were first synthesized by the self-polymerization of dopamine (DA). Gold nanoparticles (AuNPs) were dispersed on the surface of PMNCs through biochemical synthesis to achieve further highly efficient adsorption of antibodies (ABs) and GOx. The final product ABs/GOxext/AuNPs/MBs-GOx@PDA PMNCs served as the carrier to separate target bacteria from food matrices as well as the amplifier for electrochemical measurement. The unbound PMNCs were separated by a filtration step and transferred into glucose solution to allow the enzymatic reaction to occur. The change of the current response was measured with an electrochemical detector using PB-modified SP-IDMEs. The constructed biosensor has been proven to be able to detect E. coli O157:H7 with the detection limit of 10(2) cfu ml(-1). The bifunctional PMNCs contain a high load of enzyme and can optimally utilize the binding sites on bacterial cells, which efficiently amplify the signals for measurement. The biosensor in this study exhibited good specificity, reproducibility, and stability and is expected to have a great impact on applications in the detection of foodborne pathogens.
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Affiliation(s)
- Meng Xu
- Department of Biological and Agricultural Engineering, University of Arkansas, Fayetteville, AR 72701, USA.
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61
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Shahdordizadeh M, Yazdian-Robati R, Ramezani M, Abnous K, Taghdisi SM. Aptamer application in targeted delivery systems for diagnosis and treatment of breast cancer. J Mater Chem B 2016; 4:7766-7778. [DOI: 10.1039/c6tb02564a] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
In this review, we present the recent progress of aptamer application in targeted delivery systems for imaging and treatment of breast cancer.
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Affiliation(s)
- Mahin Shahdordizadeh
- Department of Pharmaceutical Biotechnology
- School of Pharmacy
- Mashhad University of Medical Sciences
- Mashhad
- Iran
| | - Rezvan Yazdian-Robati
- Department of Pharmaceutical Biotechnology
- School of Pharmacy
- Mashhad University of Medical Sciences
- Mashhad
- Iran
| | - Mohammad Ramezani
- Nanotechnology Research Center
- Mashhad University of Medical Sciences
- Mashhad
- Iran
| | - Khalil Abnous
- Pharmaceutical Research Center
- Mashhad University of Medical Sciences
- Mashhad
- Iran
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