51
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Vaisocherová-Lísalová H, Víšová I, Ermini ML, Špringer T, Song XC, Mrázek J, Lamačová J, Scott Lynn N, Šedivák P, Homola J. Low-fouling surface plasmon resonance biosensor for multi-step detection of foodborne bacterial pathogens in complex food samples. Biosens Bioelectron 2016; 80:84-90. [DOI: 10.1016/j.bios.2016.01.040] [Citation(s) in RCA: 156] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Revised: 01/12/2016] [Accepted: 01/13/2016] [Indexed: 11/25/2022]
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52
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Chen J, Park B. Recent Advancements in Nanobioassays and Nanobiosensors for Foodborne Pathogenic Bacteria Detection. J Food Prot 2016; 79:1055-69. [PMID: 27296612 DOI: 10.4315/0362-028x.jfp-15-516] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Bacterial pathogens are one of the leading causes of food safety incidents and product recalls worldwide. Timely detection and identification of microbial contamination in agricultural and food products is crucial for disease prevention and outbreak investigation. In efforts to improve and/or replace time-consuming and laborious "gold standards" for pathogen detection, numerous alternative rapid methods have been proposed in the past 15 years, with a trend toward incorporating nanotechnology and nanomaterials in food pathogen detection. This article is a review of the use of nanotechnology in various detection and sample preparation techniques and advancements in nanotechnology applications in food matrices. Some practical considerations in nanobioassay design are discussed, and the gaps between research status quo and market demands are identified.
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Affiliation(s)
- Jing Chen
- U.S. Department of Agriculture, Agricultural Research Service, U.S. National Poultry Research Center, 950 College Station Road, Athens, Georgia 30605, USA
| | - Bosoon Park
- U.S. Department of Agriculture, Agricultural Research Service, U.S. National Poultry Research Center, 950 College Station Road, Athens, Georgia 30605, USA.
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53
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Monzó J, Insua I, Fernandez-Trillo F, Rodriguez P. Fundamentals, achievements and challenges in the electrochemical sensing of pathogens. Analyst 2016; 140:7116-28. [PMID: 26339688 DOI: 10.1039/c5an01330e] [Citation(s) in RCA: 73] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Electrochemical sensors are powerful tools widely used in industrial, environmental and medical applications. The versatility of electrochemical methods allows for the investigation of chemical composition in real time and in situ. Electrochemical detection of specific biological molecules is a powerful means for detecting disease-related markers. In the last 10 years, highly-sensitive and specific methods have been developed to detect waterborne and foodborne pathogens. In this review, we classify the different electrochemical techniques used for the qualitative and quantitative detection of pathogens. The robustness of electrochemical methods allows for accurate detection even in heterogeneous and impure samples. We present a fundamental description of the three major electrochemical sensing methods used in the detection of pathogens and the advantages and disadvantages of each of these methods. In each section, we highlight recent breakthroughs, including the utilisation of microfluidics, immunomagnetic separation and multiplexing for the detection of multiple pathogens in a single device. We also include recent studies describing new strategies for the design of future immunosensing systems and protocols. The high sensitivity and selectivity, together with the portability and the cost-effectiveness of the instrumentation, enhances the demand for further development in the electrochemical detection of microbes.
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Affiliation(s)
- Javier Monzó
- School of Chemistry, University of Birmingham, B15 2TT, UK.
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54
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Nanomaterial-based sensors for detection of foodborne bacterial pathogens and toxins as well as pork adulteration in meat products. J Food Drug Anal 2016; 24:15-28. [PMID: 28911398 PMCID: PMC9345428 DOI: 10.1016/j.jfda.2015.05.001] [Citation(s) in RCA: 147] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2015] [Revised: 04/22/2015] [Accepted: 05/08/2015] [Indexed: 11/22/2022] Open
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55
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Wang R, Lum J, Callaway Z, Lin J, Bottje W, Li Y. A Label-Free Impedance Immunosensor Using Screen-Printed Interdigitated Electrodes and Magnetic Nanobeads for the Detection of E. coli O157:H7. BIOSENSORS-BASEL 2015; 5:791-803. [PMID: 26694478 PMCID: PMC4697145 DOI: 10.3390/bios5040791] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2015] [Revised: 12/05/2015] [Accepted: 12/11/2015] [Indexed: 11/26/2022]
Abstract
Escherichia coli O157:H7 is one of the leading bacterial pathogens causing foodborne illness. In this study, an impedance immunosensor based on the use of magnetic nanobeads and screen-printed interdigitated electrodes was developed for the rapid detection of E. coli O157:H7. Magnetic nanobeads coated with anti-E. coli antibody were mixed with an E. coli sample and used to isolate and concentrate the bacterial cells. The sample was suspended in redox probe solution and placed onto a screen-printed interdigitated electrode. A magnetic field was applied to concentrate the cells on the surface of the electrode and the impedance was measured. The impedance immunosensor could detect E. coli O157:H7 at a concentration of 104.45 cfu·mL−1 (~1400 bacterial cells in the applied volume of 25 μL) in less than 1 h without pre-enrichment. A linear relationship between bacteria concentration and impedance value was obtained between 104 cfu·mL−1 and 107 cfu·mL−1. Though impedance measurement was carried out in the presence of a redox probe, analysis of the equivalent circuit model showed that the impedance change was primarily due to two elements: Double layer capacitance and resistance due to electrode surface roughness. The magnetic field and impedance were simulated using COMSOL Multiphysics software.
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Affiliation(s)
- Ronghui Wang
- Department of Biological and Agricultural Engineering, University of Arkansas, Fayetteville, AR 72701, USA.
| | - Jacob Lum
- Cell and Molecular Biology Program, University of Arkansas, Fayetteville, AR 72701, USA.
| | - Zach Callaway
- Department of Biological and Agricultural Engineering, University of Arkansas, Fayetteville, AR 72701, USA.
| | - Jianhan Lin
- College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China.
| | - Walter Bottje
- Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA.
| | - Yanbin Li
- Department of Biological and Agricultural Engineering, University of Arkansas, Fayetteville, AR 72701, USA.
- Cell and Molecular Biology Program, University of Arkansas, Fayetteville, AR 72701, USA.
- Center of Excellence for Poultry Science, University of Arkansas, Fayetteville, AR 72701, USA.
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310068, China.
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56
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Wang Y, Salazar JK. Culture-Independent Rapid Detection Methods for Bacterial Pathogens and Toxins in Food Matrices. Compr Rev Food Sci Food Saf 2015; 15:183-205. [DOI: 10.1111/1541-4337.12175] [Citation(s) in RCA: 161] [Impact Index Per Article: 17.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2015] [Accepted: 09/14/2015] [Indexed: 11/29/2022]
Affiliation(s)
- Yun Wang
- Div. of Food Processing Science and Technology; U.S. Food and Drug Administration; Bedford Park IL U.S.A
| | - Joelle K. Salazar
- Div. of Food Processing Science and Technology; U.S. Food and Drug Administration; Bedford Park IL U.S.A
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57
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Nadzirah S, Azizah N, Hashim U, Gopinath SCB, Kashif M. Titanium Dioxide Nanoparticle-Based Interdigitated Electrodes: A Novel Current to Voltage DNA Biosensor Recognizes E. coli O157:H7. PLoS One 2015; 10:e0139766. [PMID: 26445455 PMCID: PMC4596563 DOI: 10.1371/journal.pone.0139766] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2015] [Accepted: 09/17/2015] [Indexed: 11/23/2022] Open
Abstract
Nanoparticle-mediated bio-sensing promoted the development of novel sensors in the front of medical diagnosis. In the present study, we have generated and examined the potential of titanium dioxide (TiO2) crystalline nanoparticles with aluminium interdigitated electrode biosensor to specifically detect single-stranded E.coli O157:H7 DNA. The performance of this novel DNA biosensor was measured the electrical current response using a picoammeter. The sensor surface was chemically functionalized with (3-aminopropyl) triethoxysilane (APTES) to provide contact between the organic and inorganic surfaces of a single-stranded DNA probe and TiO2 nanoparticles while maintaining the sensing system’s physical characteristics. The complement of the target DNA of E. coli O157:H7 to the carboxylate-probe DNA could be translated into electrical signals and confirmed by the increased conductivity in the current-to-voltage curves. The specificity experiments indicate that the biosensor can discriminate between the complementary sequences from the base-mismatched and the non-complementary sequences. After duplex formation, the complementary target sequence can be quantified over a wide range with a detection limit of 1.0 x 10-13M. With target DNA from the lysed E. coli O157:H7, we could attain similar sensitivity. Stability of DNA immobilized surface was calculated with the relative standard deviation (4.6%), displayed the retaining with 99% of its original response current until 6 months. This high-performance interdigitated DNA biosensor with high sensitivity, stability and non-fouling on a novel sensing platform is suitable for a wide range of biomolecular interactive analyses.
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Affiliation(s)
- Sh. Nadzirah
- Institute of Nano Electronic Engineering,Universiti Malaysia Perlis, 01000 Kangar, Perlis, Malaysia
| | - N. Azizah
- Institute of Nano Electronic Engineering,Universiti Malaysia Perlis, 01000 Kangar, Perlis, Malaysia
| | - Uda Hashim
- Institute of Nano Electronic Engineering,Universiti Malaysia Perlis, 01000 Kangar, Perlis, Malaysia
- * E-mail:
| | - Subash C. B. Gopinath
- Institute of Nano Electronic Engineering,Universiti Malaysia Perlis, 01000 Kangar, Perlis, Malaysia
| | - Mohd Kashif
- Department of Electrical and Electronic Engineering, Faculty of Engineering, Universiti Malaysia Sarawak, 94300 Kota Samarahan, Sarawak, Malaysia
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58
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Bridle H, Balharry D, Gaiser B, Johnston H. Exploitation of Nanotechnology for the Monitoring of Waterborne Pathogens: State-of-the-Art and Future Research Priorities. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2015; 49:10762-77. [PMID: 26301863 DOI: 10.1021/acs.est.5b01673] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Contaminated drinking water is one of the most important environmental contributors to the human disease burden. Monitoring of water for the presence of pathogens is an essential part of ensuring drinking water safety. In order to assess water quality it is essential to have methods available to sample and detect the type, level and viability of pathogens in water which are effective, cheap, quick, sensitive, and where possible high throughput. Nanotechnology has the potential to drastically improve the monitoring of waterborne pathogens when compared to conventional approaches. To date, there have been no reviews that outline the applications of nanotechnology in this area despite increasing exploitation of nanotechnology for this purpose. This review is therefore the first overview of the state-of-the-art in the application of nanotechnology to waterborne pathogen sampling and detection schemes. Research in this field has been centered on the use of engineered nanomaterials. The effectiveness and limitations of nanomaterial-based approaches is outlined. A future outlook of the advances that are likely to emerge in this area, as well as recommendations for areas of further research are provided.
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Affiliation(s)
- Helen Bridle
- Institute of Biological Chemistry, Biophysics and Bioengineering, Heriot-Watt University , Riccarton, Edinburgh, EH14 4AS, United Kingdom
| | - Dominique Balharry
- School of Life Sciences, Heriot-Watt University , Riccarton, Edinburgh, EH14 4AS, United Kingdom
- Centre for Genomics and Experimental Medicine, Institute of Genetics and Molecular Medicine, University of Edinburgh , Western General Hospital, Crewe Road, Edinburgh, EH4 2XU, United Kingdom
| | - Birgit Gaiser
- School of Life Sciences, Heriot-Watt University , Riccarton, Edinburgh, EH14 4AS, United Kingdom
| | - Helinor Johnston
- School of Life Sciences, Heriot-Watt University , Riccarton, Edinburgh, EH14 4AS, United Kingdom
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59
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Mistry KK, Layek K, Mahapatra A, RoyChaudhuri C, Saha H. A review on amperometric-type immunosensors based on screen-printed electrodes. Analyst 2015; 139:2289-311. [PMID: 24678518 DOI: 10.1039/c3an02050a] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this brief review, we summarize the recent research activities involved in the development of amperometric-type immunosensors based on screen-printed electrodes (SPEs). We focus on the underlying principle involved in these types of sensors, their fabrication and electrode surface modification. We also discuss the various factors involved in the designing of such immunosensors and how they affect their performances. Finally we provide an insight into the drawbacks associated with these SPEs.
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Affiliation(s)
- Kalyan Kumar Mistry
- CSIR-Central Mechanical Engineering Research Institute, M. G. Avenue, Durgapur-713209, India.
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60
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Mortari A, Lorenzelli L. Recent sensing technologies for pathogen detection in milk: A review. Biosens Bioelectron 2014; 60:8-21. [DOI: 10.1016/j.bios.2014.03.063] [Citation(s) in RCA: 65] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2013] [Revised: 03/07/2014] [Accepted: 03/26/2014] [Indexed: 01/30/2023]
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61
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Hayat A, Marty JL. Disposable screen printed electrochemical sensors: tools for environmental monitoring. SENSORS (BASEL, SWITZERLAND) 2014; 14:10432-53. [PMID: 24932865 PMCID: PMC4118360 DOI: 10.3390/s140610432] [Citation(s) in RCA: 170] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/09/2014] [Revised: 06/03/2014] [Accepted: 06/05/2014] [Indexed: 12/04/2022]
Abstract
Screen printing technology is a widely used technique for the fabrication of electrochemical sensors. This methodology is likely to underpin the progressive drive towards miniaturized, sensitive and portable devices, and has already established its route from "lab-to-market" for a plethora of sensors. The application of these sensors for analysis of environmental samples has been the major focus of research in this field. As a consequence, this work will focus on recent important advances in the design and fabrication of disposable screen printed sensors for the electrochemical detection of environmental contaminants. Special emphasis is given on sensor fabrication methodology, operating details and performance characteristics for environmental applications.
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Affiliation(s)
- Akhtar Hayat
- Images, Universite´De Perpignan Via Domitia, 52 Avenue Paul Alduy, Perpignan Cedex 66860, France.
| | - Jean Louis Marty
- Images, Universite´De Perpignan Via Domitia, 52 Avenue Paul Alduy, Perpignan Cedex 66860, France.
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62
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Gold nanoparticles conjugates-amplified aptamer immunosensing screen-printed carbon electrode strips for thrombin detection. Biosens Bioelectron 2014; 61:336-43. [PMID: 24912033 DOI: 10.1016/j.bios.2014.05.007] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2014] [Revised: 05/01/2014] [Accepted: 05/02/2014] [Indexed: 12/15/2022]
Abstract
Thrombin plays the role in cardiovascular diseases and regulates many processes in inflammation and could be a feature of many pathological conditions, including the thromboembolic disease, cancer and neurodegenerative diseases. An ultrasensitive and amplified electrochemical sandwich assay using screen-printed carbon electrode (SPCE) strips for thrombin detection was established in this study. The conductivity and sensing performance of the carbon electrodes were enhanced by using gold nanoparticles (AuNPs). The aptamer addressed on the strips was used as a primary probe to capture thrombin in the detected samples. An amplifier was invented for recognizing thrombin captured on the SPCE, which is the multiple molecules of anti-thrombin antibody (Ab) and horseradish peroxidase (HRP) co-modified AuNPs (AuNPs/Ab-HRP). Hydrogen peroxide was used as the substrate for HRP and then the response current (RC) could be detected. The optimization of these AuNPs conjugates-amplified aptamer immunosensing SPCE strips was conducted for thrombin detection. The detection sensitivity showed a linear relation between RC and thrombin concentration in the range of 10 pM-100 nM, and limit of detection (LOD) was 1.5 pM. The fabricated AuNPs/Ab-HRP-amplified aptamer immunosensing SPCE strips were further used to detect thrombin in human serum with a linear range of 100 pM-100 nM. This study provided the promising SPCE strips with highly sensitive and rapid detection for thrombin by the electrochemical aptasensor combined with AuNPs conjugates for amplifying the detection signal.
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63
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Taleat Z, Khoshroo A, Mazloum-Ardakani M. Screen-printed electrodes for biosensing: a review (2008–2013). Mikrochim Acta 2014. [DOI: 10.1007/s00604-014-1181-1] [Citation(s) in RCA: 209] [Impact Index Per Article: 20.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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64
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El Ichi S, Leon F, Vossier L, Marchandin H, Errachid A, Coste J, Jaffrezic-Renault N, Fournier-Wirth C. Microconductometric immunosensor for label-free and sensitive detection of Gram-negative bacteria. Biosens Bioelectron 2014; 54:378-84. [DOI: 10.1016/j.bios.2013.11.016] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2013] [Revised: 10/18/2013] [Accepted: 11/05/2013] [Indexed: 12/11/2022]
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65
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Electrocatalytic Activity of Nitrogen-Doped Carbon Nanotubes Decorated with Gold Nanoparticles. Electrocatalysis (N Y) 2013. [DOI: 10.1007/s12678-013-0175-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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66
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67
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Das AP, Kumar PS, Swain S. Recent advances in biosensor based endotoxin detection. Biosens Bioelectron 2013; 51:62-75. [PMID: 23934306 DOI: 10.1016/j.bios.2013.07.020] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2013] [Revised: 06/28/2013] [Accepted: 07/11/2013] [Indexed: 12/20/2022]
Abstract
Endotoxins also referred to as pyrogens are chemically lipopolysaccharides habitually found in food, environment and clinical products of bacterial origin and are unavoidable ubiquitous microbiological contaminants. Pernicious issues of its contamination result in high mortality and severe morbidities. Standard traditional techniques are slow and cumbersome, highlighting the pressing need for evoking agile endotoxin detection system. The early and prompt detection of endotoxin assumes prime importance in health care, pharmacological and biomedical sectors. The unparalleled recognition abilities of LAL biosensors perched with remarkable sensitivity, high stability and reproducibility have bestowed it with persistent reliability and their possible fabrication for commercial applicability. This review paper entails an overview of various trends in current techniques available and other possible alternatives in biosensor based endotoxin detection together with its classification, epidemiological aspects, thrust areas demanding endotoxin control, commercially available detection sensors and a revolutionary unprecedented approach narrating the influence of omics for endotoxin detection.
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Affiliation(s)
- A P Das
- Bioengineering Laboratory, Centre of Biotechnology, Siksha O Anusandhan University, Bhubaneswar, India.
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68
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Wu H, Zuo Y, Cui C, Yang W, Ma H, Wang X. Rapid quantitative detection of Brucella melitensis by a label-free impedance immunosensor based on a gold nanoparticle-modified screen-printed carbon electrode. SENSORS 2013; 13:8551-63. [PMID: 23881126 PMCID: PMC3758610 DOI: 10.3390/s130708551] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2013] [Revised: 06/21/2013] [Accepted: 06/21/2013] [Indexed: 12/03/2022]
Abstract
A rapid and simple method for quantitative monitoring of Brucella melitensis using electrochemical impedance spectroscopy (EIS) is reported for the first time. The label-free immunosensors were fabricated by immobilizing Brucella melitensis antibody on the surface of gold nanoparticle-modified screen-printed carbon electrodes (GNP-SPCEs). Cyclic voltammetry (CV) and EIS were used to characterize the Brucella melitensis antigen interaction on the surface of GNP-SPCEs with antibody. A general electronic equivalent model of an electrochemical cell was introduced for interpretation of the impedance components of the system. The results showed that the change in electron-transfer resistance (Rct) was significantly different due to the binding of Brucella melitensis cells. A linear relationship between the Rct variation and logarithmic value of the cell concentration was found from 4 × 104 to 4 × 106 CFU/mL in pure culture. The label-free impedance biosensor was able to detect as low as 1 × 104 and 4 × 105 CFU/mL of Brucella melitensis in pure culture and milk samples, respectively, in less than 1.5 h. Moreover, a good selectivity versus Escherichia coli O157:H7 and Staphylococcus aureus cells was obtained for our developed immunosensor demonstrating its specificity towards only Brucella melitensis.
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Affiliation(s)
- Haiyun Wu
- College of Engineering, Shanxi Agriculture University, Taigu 030801, China; E-Mails: (H.W.); (W.Y.)
| | - Yueming Zuo
- College of Engineering, Shanxi Agriculture University, Taigu 030801, China; E-Mails: (H.W.); (W.Y.)
- Author to whom correspondence should be addressed; E-Mail: ; Tel.: +86-354-6288-400 (ext. 8305)
| | - Chuanjin Cui
- College of Electrical Engineering, Hebei United University, Tangshan 063009, China; E-Mail:
| | - Wei Yang
- College of Engineering, Shanxi Agriculture University, Taigu 030801, China; E-Mails: (H.W.); (W.Y.)
| | - Haili Ma
- College of Animal Science and Technology, Shanxi Agriculture University, Taigu 030801, China; E-Mail:
| | - Xiaowen Wang
- College of Food Science & Technology, Shanxi Agriculture University, Taigu 030801, China; E-Mail:
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69
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Jiang X, Chen K, Wang J, Shao K, Fu T, Shao F, Lu D, Liang J, Foda MF, Han H. Solid-state voltammetry-based electrochemical immunosensor for Escherichia coli using graphene oxide-Ag nanoparticle composites as labels. Analyst 2013; 138:3388-93. [PMID: 23662298 DOI: 10.1039/c3an00056g] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new electrochemical immunosensor based on solid-state voltammetry was fabricated for the detection of Escherichia coli (E. coli) by using graphene oxide-Ag nanoparticle composites (P-GO-Ag) as labels. To construct the platform, Au nanoparticles (AuNPs) were first self-assembled on an Au electrode surface through cysteamine and served as an effective matrix for antibody (Ab) attachment. Under a sandwich-type immunoassay format, the analyte and the probe (P-GO-Ag-Ab) were successively captured onto the immunosensor. Finally, the bonded AgNPs were detected through a solid-state redox process in 0.2 M of KCl solution. Combining the advantages of the high-loading capability of graphene oxide with promoted electron-transfer rate of AuNPs, this immunosensor produced a 26.92-fold signal enhancement compared with the unamplified protocol. Under the optimal conditions, the immunosensor exhibited a wide linear dependence on the logarithm of the concentration of E. coli ranging from 50 to 1.0 × 10(6) cfu mL(-1) with a detection limit of 10 cfu mL(-1). Moreover, as a practical application, the proposed immunosensor was used to monitor E. coli in lake water with satisfactory results.
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Affiliation(s)
- Xiaochun Jiang
- State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan 430070, P.R. China
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70
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Gold Nanoparticle-Modified Carbon Electrode Biosensor for the Detection of Listeria monocytogenes. Ind Biotechnol (New Rochelle N Y) 2013. [DOI: 10.1089/ind.2012.0033] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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71
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Highly sensitive detection of pathogen Escherichia coli O157:H7 by electrochemical impedance spectroscopy. Biosens Bioelectron 2013; 45:174-80. [PMID: 23500360 DOI: 10.1016/j.bios.2013.01.009] [Citation(s) in RCA: 109] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2012] [Revised: 12/28/2012] [Accepted: 01/07/2013] [Indexed: 01/25/2023]
Abstract
The presence of enterohemorrhagic Escherichia coli bacteria in food can cause serious foodborne disease outbreaks. Early detection and identification of these pathogens is extremely important for public health and safety. Here we present a highly sensitive label-free immunosensor for the detection of pathogenic E. coli O157:H7. Anti-E. coli antibodies were covalently immobilised onto gold electrodes via a self-assembled monolayer (SAM) of mercaptohexadecanoic acid and the pathogenic bacteria were detected by electrochemical impedance spectroscopy (EIS). Surface Plasmon Resonance (SPR) was used to monitor the antibody immobilisation protocol and antibody patterned surfaces were used to demonstrate the specificity of the antibody coated surfaces against the pathogenic bacteria. The immunosensor showed a very low limit of detection (2CFU/mL) and a large linear range (3 × 10-3 × 10(4)CFU/mL). Finally, the selectivity of the sensor was demonstrated and no significant adsorption of Salmonella typhimurium was observed.
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72
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Zambre A, Chanda N, Prayaga S, Almudhafar R, Afrasiabi Z, Upendran A, Kannan R. Design and Development of a Field Applicable Gold Nanosensor for the Detection of Luteinizing Hormone. Anal Chem 2012; 84:9478-84. [DOI: 10.1021/ac302314e] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
| | | | - Sudhirdas Prayaga
- Antibody Research Corporation, St. Charles, Missouri 63304, United States
| | - Rosana Almudhafar
- Department of Life and Physical
Sciences, Lincoln University, Jefferson
City, Missouri 65101, United States
| | - Zahra Afrasiabi
- Department of Life and Physical
Sciences, Lincoln University, Jefferson
City, Missouri 65101, United States
| | - Anandhi Upendran
- Nanoparticle BioChem. Inc., Columbia, Missouri 65211, United States
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73
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Guo X, Lin CS, Chen SH, Ye R, Wu VC. A piezoelectric immunosensor for specific capture and enrichment of viable pathogens by quartz crystal microbalance sensor, followed by detection with antibody-functionalized gold nanoparticles. Biosens Bioelectron 2012; 38:177-83. [DOI: 10.1016/j.bios.2012.05.024] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2012] [Revised: 05/17/2012] [Accepted: 05/18/2012] [Indexed: 10/28/2022]
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74
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Recent developments and applications of screen-printed electrodes in environmental assays—A review. Anal Chim Acta 2012; 734:31-44. [DOI: 10.1016/j.aca.2012.05.018] [Citation(s) in RCA: 365] [Impact Index Per Article: 30.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2012] [Revised: 05/04/2012] [Accepted: 05/12/2012] [Indexed: 11/21/2022]
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75
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Saha K, Agasti SS, Kim C, Li X, Rotello VM. Gold nanoparticles in chemical and biological sensing. Chem Rev 2012; 112:2739-79. [PMID: 22295941 PMCID: PMC4102386 DOI: 10.1021/cr2001178] [Citation(s) in RCA: 2742] [Impact Index Per Article: 228.5] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Krishnendu Saha
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
| | - Sarit S. Agasti
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
| | - Chaekyu Kim
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
| | - Xiaoning Li
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
| | - Vincent M. Rotello
- Department of Chemistry, University of Massachusetts Amherst, 710 North Pleasant Street, Amherst, MA 01003, USA
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76
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Dweik M, Stringer RC, Dastider SG, Wu Y, Almasri M, Barizuddin S. Specific and targeted detection of viable Escherichia coli O157:H7 using a sensitive and reusable impedance biosensor with dose and time response studies. Talanta 2012; 94:84-9. [PMID: 22608418 DOI: 10.1016/j.talanta.2012.02.056] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2011] [Revised: 02/20/2012] [Accepted: 02/22/2012] [Indexed: 01/18/2023]
Abstract
A gold interdigitated microelectrode (IME) impedance biosensor was fabricated for the detection of viable Escherichia coli O157:H7. This sensor was fabricated using lithography techniques. The surface of the electrode was immobilized with anti-E. coli IgG antibodies. This approach is different from other studies where the change in impedance is measured in terms of growth of bacteria on the electrode, rather then the antibody/antigen bonding. The impedance values were recorded for frequency ranges between 100 Hz and 10 MHz. The working range of the dose response for this device was found to be between 2.5×10(4) CFU ml(-1) and 2.5×10(7) CFU ml(-1). The time response studies indicated that antibody/antigen binding is not a function of time, but can decrease if excess times are allowed for binding. It was observed that the impedance values for 60 min antibody/antigen binding were higher than the impedance values for 120 min binding time. The main advantages of the reported device are that, it provides for both qualitative and quantitative detection in 3h while other impedance sensors reported earlier may take up to 24h for detection. If enrichment steps are required then it may take 3-4 days to infer the results. This sensor can be used to detect different types of bacteria by immobilizing the antigen specific antibody. Most of the sensors are not reusable since they either use enzymes or enrichment steps for detection but this device can be reused, following a cleaning protocol which is easy to follow. Each device was used at least five times. The simplicity of this sensor and the ease of fabrication make this sensor a useful alternate to the microfluidics and enzyme based impedance sensors, which are relatively more difficult to fabricate, need programmable fluidic injection pumps to push the sample through the channel, suffer from limitation of coagulation and are difficult to clean.
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Affiliation(s)
- Majed Dweik
- Co-operative Research and Life & Physical Sciences, Lincoln University, Jefferson City, MO 65101, USA
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77
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Marín S, Merkoçi A. Nanomaterials Based Electrochemical Sensing Applications for Safety and Security. ELECTROANAL 2012. [DOI: 10.1002/elan.201100576] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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78
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Chalenko Y, Shumyantseva V, Ermolaeva S, Archakov A. Electrochemistry of Escherichia coli JM109: Direct electron transfer and antibiotic resistance. Biosens Bioelectron 2012; 32:219-23. [DOI: 10.1016/j.bios.2011.12.015] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2011] [Revised: 12/07/2011] [Accepted: 12/08/2011] [Indexed: 11/30/2022]
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79
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McGrath TF, Elliott CT, Fodey TL. Biosensors for the analysis of microbiological and chemical contaminants in food. Anal Bioanal Chem 2012; 403:75-92. [PMID: 22278073 DOI: 10.1007/s00216-011-5685-9] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2011] [Revised: 11/17/2011] [Accepted: 12/19/2011] [Indexed: 10/14/2022]
Abstract
Increases in food production and the ever-present threat of food contamination from microbiological and chemical sources have led the food industry and regulators to pursue rapid, inexpensive methods of analysis to safeguard the health and safety of the consumer. Although sophisticated techniques such as chromatography and spectrometry provide more accurate and conclusive results, screening tests allow a much higher throughput of samples at a lower cost and with less operator training, so larger numbers of samples can be analysed. Biosensors combine a biological recognition element (enzyme, antibody, receptor) with a transducer to produce a measurable signal proportional to the extent of interaction between the recognition element and the analyte. The different uses of the biosensing instrumentation available today are extremely varied, with food analysis as an emerging and growing application. The advantages offered by biosensors over other screening methods such as radioimmunoassay, enzyme-linked immunosorbent assay, fluorescence immunoassay and luminescence immunoassay, with respect to food analysis, include automation, improved reproducibility, speed of analysis and real-time analysis. This article will provide a brief footing in history before reviewing the latest developments in biosensor applications for analysis of food contaminants (January 2007 to December 2010), focusing on the detection of pathogens, toxins, pesticides and veterinary drug residues by biosensors, with emphasis on articles showing data in food matrices. The main areas of development common to these groups of contaminants include multiplexing, the ability to simultaneously analyse a sample for more than one contaminant and portability. Biosensors currently have an important role in food safety; further advances in the technology, reagents and sample handling will surely reinforce this position.
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Affiliation(s)
- T F McGrath
- ASSET Technology Centre, Institute of Agri-Food and Land Use, School of Biological Sciences, Queen's University Belfast, Belfast, UK.
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80
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Kamikawa TL, Mikolajczyk MG, Kennedy M, Zhong L, Zhang P, Setterington EB, Scott DE, Alocilja EC. Pandemic Influenza Detection by Electrically Active Magnetic Nanoparticles and Surface Plasmon Resonance. IEEE TRANSACTIONS ON NANOTECHNOLOGY 2012; 11:88-96. [PMID: 32391116 PMCID: PMC7176473 DOI: 10.1109/tnano.2011.2157936] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2009] [Revised: 09/09/2010] [Accepted: 04/25/2011] [Indexed: 05/20/2023]
Abstract
Influenza A virus (FLUAV), the causative agent of influenza infection, has received extensive attention due to the recent swine-origin H1N1 pandemic. FLUAV has long been the cause of annual epidemics as well as less frequent but more severe global pandemics. Here, we describe a biosensor utilizing electrically active magnetic (EAM) polyaniline-coated nanoparticles as the transducer in an electrochemical biosensor for rapidly identifying FLUAV strains based on receptor specificity, which will be useful to monitor animal influenza infections and to characterize pandemic potential of strains that have transmitted from animals to humans. Pandemic potential requires human-to-human transmissibility, which is dependent upon FLUAV hemagglutinin (HA) specificity for host glycan receptors. Avian FLUAV preferentially bind to α2,3-linked receptors, while human FLUAV bind to α2,6-linked receptors. EAM nanoparticles were prepared by synthesizing aniline monomer around gamma iron (III) oxide (γ-Fe2O3) cores, yielding 25-100-nm diameter nanoparticles that were structurally characterized by transmission electron microscopy and electron diffraction. The EAM nanoparticles were coated with monoclonal antibodies specific to H5N1 (A/Vietnam/1203/04). Specificity of binding between glycans and H5 was demonstrated. The biosensor results were correlative to supporting data from a surface plasmon resonance assay that characterized HA/glycan binding and α-H5 antibody activity. This novel study applies EAM nanoparticles as the transducer in a specific, portable, easy-to-use biosensor with great potential for disease monitoring and biosecurity applications.
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Affiliation(s)
- Tracy L. Kamikawa
- U.S. Food and Drug AdministrationCenter for Biologics Evaluation and ResearchBethesdaMD20892USA
| | | | - Michael Kennedy
- U.S. Food and Drug AdministrationCenter for Biologics Evaluation and ResearchBethesdaMD20892USA
| | - Lilin Zhong
- U.S. Food and Drug AdministrationCenter for Biologics Evaluation and ResearchBethesdaMD20892USA
| | - Pei Zhang
- U.S. Food and Drug AdministrationCenter for Biologics Evaluation and ResearchBethesdaMD20892USA
| | - Emma B. Setterington
- Department of Biosystems and Agricultural EngineeringMichigan State UniversityEast LansingMI48824USA
| | - Dorothy E. Scott
- U.S. Food and Drug AdministrationCenter for Biologics Evaluation and ResearchBethesdaMD20892USA
| | - Evangelyn C. Alocilja
- Department of Biosystems and Agricultural EngineeringMichigan State UniversityEast LansingMI48824USA
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81
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Li Y, Cheng P, Gong J, Fang L, Deng J, Liang W, Zheng J. Amperometric immunosensor for the detection of Escherichia coli O157:H7 in food specimens. Anal Biochem 2011; 421:227-33. [PMID: 22119072 DOI: 10.1016/j.ab.2011.10.049] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2011] [Revised: 10/25/2011] [Accepted: 10/27/2011] [Indexed: 11/24/2022]
Abstract
A novel, label-free amperometric immunosensor has been developed for the rapid detection of heat-killed Escherichia coli O157:H7 (E. coli O157:H7). This immunosensor was prepared as follows. First, the long-chain, amine-terminated alkanethiol 11-amino-1-undecanethiol hydrochloride (AUT) was self-assembled onto a gold electrode surface to form an ordered, oriented, compact, and stable monolayer possessing -NH(2) functional groups that could immobilize massive gold nanoparticles (GNPs). Next, chitosan-multiwalled carbon nanotubes-SiO(2)/thionine (CHIT-MWNTs-SiO(2)@THI) nanocomposites and GNPs multilayer films were prepared via layer-by-layer (LBL) assembly. The surface area enhancement from the LBL assembly of the multilayer films improves the stability of the immobilized CHIT-MWNTs-SiO(2)@THI. More important, the sensitivity and stability of the immunosensor can be enhanced proportionally to the quantity of the THI mediator immobilized on the electrode surface. Finally, the E. coli O157:H7 antibody (anti-E. coli O157:H7) was covalently bound to the GNP monolayer and its bioactivity was measured by enzyme-linked immunosorbent assay (ELISA). Transmission electron microscopy (TEM) was employed to characterize the morphology of the MWNTs, CHIT-MWNTs, and CHIT-MWNTs-SiO(2)@THI. Under optimal conditions, the calibration curve for heat-killed E. coli O157:H7 has a working range of 4.12×10(2)-4.12×10(5) colony-forming units (CFU)/ml, and the total assay time was less than 45 min.
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Affiliation(s)
- Yan Li
- Department of Clinical Laboratory Science, College of Medical Laboratory, Third Military Medical University, Chongqing 400038, People's Republic of China
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82
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Pérez-López B, Merkoçi A. Nanomaterials based biosensors for food analysis applications. Trends Food Sci Technol 2011. [DOI: 10.1016/j.tifs.2011.04.001] [Citation(s) in RCA: 179] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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83
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Duncan TV. Applications of nanotechnology in food packaging and food safety: barrier materials, antimicrobials and sensors. J Colloid Interface Sci 2011; 363:1-24. [PMID: 21824625 PMCID: PMC7094330 DOI: 10.1016/j.jcis.2011.07.017] [Citation(s) in RCA: 754] [Impact Index Per Article: 58.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2011] [Revised: 07/05/2011] [Accepted: 07/06/2011] [Indexed: 12/12/2022]
Abstract
In this article, several applications of nanomaterials in food packaging and food safety are reviewed, including: polymer/clay nanocomposites as high barrier packaging materials, silver nanoparticles as potent antimicrobial agents, and nanosensors and nanomaterial-based assays for the detection of food-relevant analytes (gasses, small organic molecules and food-borne pathogens). In addition to covering the technical aspects of these topics, the current commercial status and understanding of health implications of these technologies are also discussed. These applications were chosen because they do not involve direct addition of nanoparticles to consumed foods, and thus are more likely to be marketed to the public in the short term.
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84
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Cheng MS, Lau SH, Chow VT, Toh CS. Membrane-based electrochemical nanobiosensor for Escherichia coli detection and analysis of cells viability. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2011; 45:6453-6459. [PMID: 21688778 DOI: 10.1021/es200884a] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
A sensitive and selective membrane-based electrochemical nanobiosensor is developed for specific quantitative label-free detection of Escherichia coli (E. coli) cells and analysis of viable but nonculturable (VBNC) E. coli cells which remain mostly undetected using current methods. The sensing mechanism relies on the blocking of nanochannels of a nanoporous alumina-membrane modified electrode, upon the formation of immune complexes at the nanoporous membrane. The resulting obstacle to diffusive mass transfer of a redox probe in the analysis solution to the underlying platinum electrode reduces the Faradaic signal response of the biosensor, measured using cyclic voltammetry. Antibody loading under conditions of varying antibody concentrations and pHs are optimized. The biosensor gives a low detection limit of 22 cfu mL(-1) (R(2) = 0.999) over a wide linear working range of 10 to 10(6) cfu mL(-1). It is specific toward E. coli with minimal cross-reactivity to two other pathogenic bacteria (commonly found in waters). Relative standard deviation (RSD) for triplicate measurements of 2.5% indicates reasonably useful level of reproducibility. Differentiation of live, VBNC, and dead cells are carried out after the cell capture and quantitation step, by simple monitoring of the cells' enzyme activity using the same redox probe in the analysis solution, in the presence of glucose.
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Affiliation(s)
- Ming Soon Cheng
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore, Singapore
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85
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Charlermroj R, Gajanandana O, Barnett C, Kirtikara K, Karoonuthaisiri N. A Chemiluminescent Antibody Array System for Detection of Foodborne Pathogens in Milk. ANAL LETT 2011. [DOI: 10.1080/00032719.2010.511736] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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86
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Pérez-López B, Merkoçi A. Nanoparticles for the development of improved (bio)sensing systems. Anal Bioanal Chem 2010; 399:1577-90. [DOI: 10.1007/s00216-010-4566-y] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2010] [Revised: 11/25/2010] [Accepted: 11/29/2010] [Indexed: 12/01/2022]
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87
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Li D, Feng Y, Zhou L, Ye Z, Wang J, Ying Y, Ruan C, Wang R, Li Y. Label-free capacitive immunosensor based on quartz crystal Au electrode for rapid and sensitive detection of Escherichia coli O157:H7. Anal Chim Acta 2010; 687:89-96. [PMID: 21241851 DOI: 10.1016/j.aca.2010.12.018] [Citation(s) in RCA: 73] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2010] [Revised: 10/29/2010] [Accepted: 12/10/2010] [Indexed: 12/25/2022]
Abstract
A label-free capacitive immunosensor based on quartz crystal Au electrode was developed for rapid and sensitive detection of Escherichia coli O157:H7. The immunosensor was fabricated by immobilizing affinity-purified anti-E. coli O157:H7 antibodies onto self-assembled monolayers (SAMs) of 3-mercaptopropionic acid (MPA) on the surface of a quartz crystal Au electrode. Bacteria suspended in solution became attached to the immobilized antibodies when the immunosensor was tested in liquid samples. The change in capacitance caused by the bacteria was directly measured by an electrochemical detector. An equivalent circuit was introduced to simulate the capacitive immunosensor. The immunosensor was evaluated for E. coli O157:H7 detection in pure culture and inoculated food samples. The experimental results indicated that the capacitance change was linearly correlated with the cell concentration of E. coli O157:H7. The immunosensor was able to discriminate between cellular concentrations of 10(2)-10(5) cfu mL(-1) and has applications in detecting pathogens in food samples. Cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) were also employed to characterize the stepwise assembly of the immunosensor.
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Affiliation(s)
- Dujuan Li
- College of Biosystems Engineering and Food Science, Zhejiang University, 268 Kaixuan Road, Hangzhou 310029, China
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88
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Arya SK, Singh A, Naidoo R, Wu P, McDermott MT, Evoy S. Chemically immobilized T4-bacteriophage for specific Escherichia coli detection using surface plasmon resonance. Analyst 2010; 136:486-92. [PMID: 21079850 DOI: 10.1039/c0an00697a] [Citation(s) in RCA: 130] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A bioassay platform using T4 bacteriophage (T4) as the specific receptor and surface plasmon resonance (SPR) as the transduction technique has been developed for the detection of Escherichia coli K12 bacteria. The T4 phages have been covalently immobilized onto gold surfaces using a self-assembled monolayer of dithiobis(succinimidyl propionate) (DTSP). Substrates of BSA/EA-T4/DTSP/Au prepared using different T4 phage concentrations have been characterized using scanning electron microscopy (SEM). The studies reveal that the use of DTSP results in a uniform binding of T4 phages onto the surface. The SPR analysis demonstrates that these BSA/EA-T4/DTSP/Au interfaces can detect the E. coli K12 with high specificity against non-host E. coli NP10 and NP30. Results of SEM and SPR studies indicate that the maximum host bacterial capture is obtained when 1.5 × 10(11) pfu ml(-1) concentration of T4 phages was used for immobilization. The surface of these chemically anchored phage substrates can be regenerated for repeated detection of E. coli K12 and can be used for detection in 7 × 10(2) to 7 × 10(8) cfu ml(-1) range. The results of these studies have implications for the development of online bioassays for the detection of various food and water borne pathogens using the inherent selectivity of bacteriophage recognition.
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Affiliation(s)
- Sunil K Arya
- Department of Electrical and Computer Engineering, University of Alberta, Edmonton, Canada.
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89
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Kamikawa TL, Mikolajczyk MG, Kennedy M, Zhang P, Wang W, Scott DE, Alocilja EC. Nanoparticle-based biosensor for the detection of emerging pandemic influenza strains. Biosens Bioelectron 2010; 26:1346-52. [PMID: 20729069 DOI: 10.1016/j.bios.2010.07.047] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2010] [Revised: 07/07/2010] [Accepted: 07/13/2010] [Indexed: 10/19/2022]
Abstract
Electrically active magnetic (EAM) nanoparticles, consisting of aniline monomer polymerized around gamma iron(III) oxide (γ-Fe(2)O(3)) cores, serve as the basis of a direct-charge transfer biosensor developed for detection of surface glycoprotein hemagglutinin (HA) from the Influenza A virus (FLUAV) H5N1 (A/Vietnam/1203/04). H5N1 preferentially binds α2,3-linked host glycan receptors. EAM nanoparticles were immunofunctionalized with antibodies against target HA. Glycans preincubated with HA in 10% mouse serum were incubated with anti-HA-EAM complexes. The anti-HA-EAM complexes effectively acted as immunomagnetic separator of HA from mouse serum matrix. EAM nanoparticles served as the biosensor transducer for cyclic voltammetry measurements. The polyaniline was made electrically active by hydrochloric acid doping. Experimental results indicate that the biosensor is able to detect recombinant H5 HA at 1.4 μM in 10% mouse serum, with high specificity for H5 as compared to H1 (H1N1 A/South Carolina/1/18). This novel design applies EAM nanoparticles in a sensitive, specific, affordable, and easy-to-use biosensor with applications in disease monitoring and biosecurity.
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Affiliation(s)
- Tracy L Kamikawa
- Department of Biosystems and Agricultural Engineering, Michigan State University, East Lansing, MI 48824, USA
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90
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Mata D, Bejarano D, Botero M, Lozano P, Constantí M, Katakis I. Screen-printed integrated microsystem for the electrochemical detection of pathogens. Electrochim Acta 2010. [DOI: 10.1016/j.electacta.2009.03.001] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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91
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Zhang F, Li H, Wang X, Low HY, Li X. Hierarchically imprinted polymer substrates for enhanced attachment of Escherichia coli. J Colloid Interface Sci 2010; 343:109-14. [DOI: 10.1016/j.jcis.2009.11.038] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2009] [Revised: 11/14/2009] [Accepted: 11/18/2009] [Indexed: 11/25/2022]
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92
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Sharma MK, Agarwal GS, Rao VK, Upadhyay S, Merwyn S, Gopalan N, Rai GP, Vijayaraghavan R, Prakash S. Amperometric immunosensor based on gold nanoparticles/alumina sol–gel modified screen-printed electrodes for antibodies to Plasmodium falciparum histidine rich protein-2. Analyst 2010; 135:608-14. [DOI: 10.1039/b918880k] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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93
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Abu-Rabeah K, Ashkenazi A, Atias D, Amir L, Marks R. Highly sensitive amperometric immunosensor for the detection of Escherichia coli. Biosens Bioelectron 2009; 24:3461-6. [DOI: 10.1016/j.bios.2009.04.042] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2009] [Revised: 04/25/2009] [Accepted: 04/27/2009] [Indexed: 11/17/2022]
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94
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Heo J, Hua SZ. An overview of recent strategies in pathogen sensing. SENSORS (BASEL, SWITZERLAND) 2009; 9:4483-502. [PMID: 22408537 PMCID: PMC3291922 DOI: 10.3390/s90604483] [Citation(s) in RCA: 95] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2009] [Revised: 05/31/2009] [Accepted: 06/08/2009] [Indexed: 11/30/2022]
Abstract
Pathogenic bacteria are one of the major concerns in food industries and water treatment facilities because of their rapid growth and deleterious effects on human health. The development of fast and accurate detection and identification systems for bacterial strains has long been an important issue to researchers. Although confirmative for the identification of bacteria, conventional methods require time-consuming process involving either the test of characteristic metabolites or cellular reproductive cycles. In this paper, we review recent sensing strategies based on micro- and nano-fabrication technology. These technologies allow for a great improvement of detection limit, therefore, reduce the time required for sample preparation. The paper will be focused on newly developed nano- and micro-scaled biosensors, novel sensing modalities utilizing microfluidic lab-on-a-chip, and array technology for the detection of pathogenic bacteria.
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Affiliation(s)
- Jinseok Heo
- Bio-MEMS and Biomaterials Laboratory, Department of Mechanical and Aerospace Engineering, University at Buffalo, The State University of New York, Buffalo, NY 14260, USA
- Department of Physiology and Biophysics, University at Buffalo, The State University of New York, Buffalo, NY 14241, USA
| | - Susan Z. Hua
- Bio-MEMS and Biomaterials Laboratory, Department of Mechanical and Aerospace Engineering, University at Buffalo, The State University of New York, Buffalo, NY 14260, USA
- Department of Physiology and Biophysics, University at Buffalo, The State University of New York, Buffalo, NY 14241, USA
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95
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Antibody-based sensors: principles, problems and potential for detection of pathogens and associated toxins. SENSORS 2009; 9:4407-45. [PMID: 22408533 PMCID: PMC3291918 DOI: 10.3390/s90604407] [Citation(s) in RCA: 190] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/07/2009] [Revised: 05/26/2009] [Accepted: 05/26/2009] [Indexed: 01/30/2023]
Abstract
Antibody-based sensors permit the rapid and sensitive analysis of a range of pathogens and associated toxins. A critical assessment of the implementation of such formats is provided, with reference to their principles, problems and potential for 'on-site' analysis. Particular emphasis is placed on the detection of foodborne bacterial pathogens, such as Escherichia coli and Listeria monocytogenes, and additional examples relating to the monitoring of fungal pathogens, viruses, mycotoxins, marine toxins and parasites are also provided.
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96
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Zhong Z, Li M, Xiang D, Dai N, Qing Y, Wang D, Tang D. Signal amplification of electrochemical immunosensor for the detection of human serum IgG using double-codified nanosilica particles as labels. Biosens Bioelectron 2009; 24:2246-9. [DOI: 10.1016/j.bios.2008.09.011] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2008] [Revised: 08/19/2008] [Accepted: 09/11/2008] [Indexed: 11/27/2022]
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97
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Karoonuthaisiri N, Charlermroj R, Uawisetwathana U, Luxananil P, Kirtikara K, Gajanandana O. Development of antibody array for simultaneous detection of foodborne pathogens. Biosens Bioelectron 2009; 24:1641-8. [DOI: 10.1016/j.bios.2008.08.026] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2008] [Revised: 08/13/2008] [Accepted: 08/14/2008] [Indexed: 10/21/2022]
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