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Khaleque MA, Hossain SI, Ali MR, Aly Saad Aly M, Abuelmakarem HS, Al Mamun MS, Hossain Khan MZ. Bioreceptor modified electrochemical biosensors for the detection of life threating pathogenic bacteria: a review. RSC Adv 2024; 14:28487-28515. [PMID: 39247512 PMCID: PMC11378029 DOI: 10.1039/d4ra04038d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2024] [Accepted: 08/23/2024] [Indexed: 09/10/2024] Open
Abstract
The lack of reliable and efficient techniques for early monitoring to stop long-term effects on human health is an increasing problem as the pathogenesis effect of infectious bacteria is growing continuously. Therefore, developing an effective early detection technique coupled with efficient and continuous monitoring of pathogenic bacteria is increasingly becoming a global public health prime target. Electrochemical biosensors are among the strategies that can be utilized for accomplishing that goal with promising potential. In recent years, identifying target biological analytes by interacting with bioreceptors modified electrodes is among the most commonly used detection techniques in electrochemical biosensing strategies. The commonly employed bioreceptors are nucleic acid molecules (DNA or RNA), proteins, antibodies, enzymes, organisms, tissues, and biomimetic components such as molecularly imprinted polymers. Despite the advancement in electrochemical biosensing, developing a reliable and effective biosensor for detecting pathogenic bacteria is still in the infancy stage with so much room for growth. A major milestone in addressing some of the issues and improving the detection pathway is the investigation of specific bacterial detection techniques. The present study covers the fundamental concepts of electrochemical biosensors, human PB illnesses, and the latest electrochemical biosensors based on bioreceptor elements that are designed to detect specific pathogenic bacteria. This study aims to assist researchers with the most up-to-date research work in the field of bio-electrochemical pathogenic bacteria detection and monitoring.
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Affiliation(s)
- Md Abdul Khaleque
- Dept. of Chemical Engineering, Jashore University of Science and Technology Jashore 7408 Bangladesh
- Laboratory of Nano-bio and Advanced Materials Engineering (NAME), Jashore University of Science and Technology Jashore 7408 Bangladesh
| | - Syed Imdadul Hossain
- Laboratory of Nano-bio and Advanced Materials Engineering (NAME), Jashore University of Science and Technology Jashore 7408 Bangladesh
- Centre for Sophisticated Instrumentation and Research Laboratory (CSIRL), Jashore University of Science and Technology Jashore 7408 Bangladesh
| | - Md Romzan Ali
- Dept. of Chemical Engineering, Jashore University of Science and Technology Jashore 7408 Bangladesh
- Laboratory of Nano-bio and Advanced Materials Engineering (NAME), Jashore University of Science and Technology Jashore 7408 Bangladesh
| | - Mohamed Aly Saad Aly
- Department of Electrical and Computer Engineering at Georgia Tech Shenzhen Institute (GTSI) Shenzhen Guangdong 518055 China
| | - Hala S Abuelmakarem
- Systems and Biomedical Engineering Department, The Higher Institute of Engineering El Shorouk Egypt
| | - Muhammad Shamim Al Mamun
- Chemistry Discipline, School of Science, Engineering and Technology, Khulna University Khulna 9208 Bangladesh
| | - Md Zaved Hossain Khan
- Dept. of Chemical Engineering, Jashore University of Science and Technology Jashore 7408 Bangladesh
- Laboratory of Nano-bio and Advanced Materials Engineering (NAME), Jashore University of Science and Technology Jashore 7408 Bangladesh
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Zolti O, Suganthan B, Nagdeve SN, Maynard R, Locklin J, Ramasamy RP. Investigation of the Efficacy of a Listeria monocytogenes Biosensor Using Chicken Broth Samples. SENSORS (BASEL, SWITZERLAND) 2024; 24:2617. [PMID: 38676242 PMCID: PMC11054734 DOI: 10.3390/s24082617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 04/06/2024] [Accepted: 04/17/2024] [Indexed: 04/28/2024]
Abstract
Foodborne pathogens are microbes present in food that cause serious illness when the contaminated food is consumed. Among these pathogens, Listeria monocytogenes is one of the most serious bacterial pathogens, and causes severe illness. The techniques currently used for L. monocytogenes detection are based on common molecular biology tools that are not easy to implement for field use in food production and distribution facilities. This work focuses on the efficacy of an electrochemical biosensor in detecting L. monocytogenes in chicken broth. The sensor is based on a nanostructured electrode modified with a bacteriophage as a bioreceptor which selectively detects L. monocytogenes using electrochemical impedance spectroscopy. The biosensing platform was able to reach a limit of detection of 55 CFU/mL in 1× PBS buffer and 10 CFU/mL in 1% diluted chicken broth. The biosensor demonstrated 83-98% recovery rates in buffer and 87-96% in chicken broth.
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Affiliation(s)
- Or Zolti
- Nano Electrochemistry Laboratory, College of Engineering, University of Georgia, Athens, GA 30602, USA; (O.Z.); (B.S.); (S.N.N.)
| | - Baviththira Suganthan
- Nano Electrochemistry Laboratory, College of Engineering, University of Georgia, Athens, GA 30602, USA; (O.Z.); (B.S.); (S.N.N.)
| | - Sanket Naresh Nagdeve
- Nano Electrochemistry Laboratory, College of Engineering, University of Georgia, Athens, GA 30602, USA; (O.Z.); (B.S.); (S.N.N.)
| | - Ryan Maynard
- Department of Chemistry, University of Georgia, Athens, GA 30602, USA; (R.M.); (J.L.)
| | - Jason Locklin
- Department of Chemistry, University of Georgia, Athens, GA 30602, USA; (R.M.); (J.L.)
| | - Ramaraja P. Ramasamy
- Nano Electrochemistry Laboratory, College of Engineering, University of Georgia, Athens, GA 30602, USA; (O.Z.); (B.S.); (S.N.N.)
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Sen S, Sarkar P. Impedance nanobiosensor based on enzyme-conjugated biosynthesized gold nanoparticles for the detection of Gram-positive bacteria. Biotechnol Prog 2024; 40:e3421. [PMID: 38160432 DOI: 10.1002/btpr.3421] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 11/02/2023] [Accepted: 12/01/2023] [Indexed: 01/03/2024]
Abstract
In this report, gold nanoparticles (GNPS) were synthesized using cell-free extracts of seven different isolates, namely, Pseudomonas aerogenosa CEBP2, Pseudomonas sp. CEBP1, Pseudomonas pseudoalcaligenes CEB1G, Acinetobactor baumani CEBS1, Cuprividus sp. CEB3, Micrococcus luteus CUB12, and Pandoraea sp. CUB2S. The spectroscopic (UV-vis, FTIR, DLS, XRD, EDS) and microscopic (FESEM, TEM) results confirm the reduction of Au3+ to Au0 in the presence of biomolecules having reducing as well as self-stabilizing activity. In this green synthesis approach, the average particle size of biosynthesized GNPS might vary (4-60 nm) depending on the bacterial species, pH of the media, incubation time, and temperature. In this study, GSH-modified BSGNPs (Au-GSH) have shown antimicrobial activity with better stability against Gram-positive bacteria. After conjugation of lysozyme with Au-GSH (lyso@Au-GSH), the zone of inhibition was enhanced from 12 to 23 mm (Au-GSH). The TEM study shows the spherical GNP (16.65 ± 2.84) turns into a flower-shaped GNP (22.22 ± 3.12) after conjugation with lysozyme due to the formation of the protein corona. Furthermore, the nanobioconjugate (lyso@Au-GSH) was immobilized with Nafion on a glassy carbon electrode to fabricate a label-free impedance biosensor that is highly sensitive to monitor changes in the transducer surface due to biomolecular interactions. The uniquely designed biosensor could selectively detect Gram-positive bacteria in the linear range of 3.0 × 101-3 × 1010 cfu mL-1 with RE <5%. The proposed simplest biosensor exhibited good reproducibility (RSD = 3.1%) and excellent correlation (R2 = 0.999) with the standard plate count method, making it suitable for monitoring Gram-positive bacterial contamination in biofluids, food, and environmental samples.
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Affiliation(s)
- Sarani Sen
- Department of Polymer Science and Technology, University of Calcutta, Kolkata, West Bengal, India
- National Institute of Technology Durgapur, Durgapur, West Bengal, India
| | - Priyabrata Sarkar
- Department of Polymer Science and Technology, University of Calcutta, Kolkata, West Bengal, India
- Calcutta Institute of Technology, Howrah, West Bengal, India
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Wang X, Xie W, Cai L, Han C, Kuang H, Shao Y, Zhang S, Zhang Q, Li J, Cui W, Jiang Y, Tang L. Microencapsulated Limosilactobacillus reuteri Encoding Lactoferricin-Lactoferrampin Targeted Intestine against Salmonella typhimurium Infection. Nutrients 2023; 15:5141. [PMID: 38140400 PMCID: PMC10745908 DOI: 10.3390/nu15245141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 12/07/2023] [Accepted: 12/15/2023] [Indexed: 12/24/2023] Open
Abstract
Salmonella enterica serovar Typhimurium (S. typhimurium) is an important foodborne pathogen that infects both humans and animals and develops acute gastroenteritis. As porcine intestines are relatively similar to the human ones due to their relatively similar sizes and structural similarity, S. typhimurium causes analogous symptoms in both. Novel strategies for controlling S. typhimurium infection are also desired, such as mucosal-targeted delivery of probiotics and antimicrobial peptides. The bovine lactoferricin-lactoferrampin-encoding Limosilactobacillus reuteri (LR-LFCA) strain improves intestinal barrier function by strengthening the intestinal barrier. Weaned piglets were selected for oral administration of microencapsulated LR-LFCA (microcapsules entrap LR-LFCA into gastro-resistant polymers) and then infected with S. typhimurium for 3 days. We found that orally administering microencapsulated LR-LFCA to weaned piglets attenuated S. typhimurium-induced production of inflammatory factors in the intestinal mucosa by inhibiting the nuclear factor-kappa B (NF-κB) and P38 mitogen-activated protein kinases (MAPK) signaling pathway. Moreover, microencapsulated LR-LFCA administration significantly suppressed the oxidative stress that may correlate with gut microbiota (reduced Salmonella population and increased α-diversity and Lactobacillus abundance) and intestinal function (membrane transport and metabolism). Our work demonstrated that microencapsulated LR-LFCA effectively targeted intestine delivery of Lactobacillus and antimicrobial peptides and modulated gut microbiota and mucosal immunity. This study reveals a novel targeting mucosal strategy against S. typhimurium infection.
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Affiliation(s)
- Xueying Wang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (X.W.); (W.X.); (L.C.); (C.H.); (H.K.); (Y.S.); (S.Z.); (Q.Z.); (J.L.); (W.C.)
| | - Weichun Xie
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (X.W.); (W.X.); (L.C.); (C.H.); (H.K.); (Y.S.); (S.Z.); (Q.Z.); (J.L.); (W.C.)
| | - Limeng Cai
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (X.W.); (W.X.); (L.C.); (C.H.); (H.K.); (Y.S.); (S.Z.); (Q.Z.); (J.L.); (W.C.)
| | - Chuang Han
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (X.W.); (W.X.); (L.C.); (C.H.); (H.K.); (Y.S.); (S.Z.); (Q.Z.); (J.L.); (W.C.)
| | - Hongdi Kuang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (X.W.); (W.X.); (L.C.); (C.H.); (H.K.); (Y.S.); (S.Z.); (Q.Z.); (J.L.); (W.C.)
| | - Yilan Shao
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (X.W.); (W.X.); (L.C.); (C.H.); (H.K.); (Y.S.); (S.Z.); (Q.Z.); (J.L.); (W.C.)
| | - Senhao Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (X.W.); (W.X.); (L.C.); (C.H.); (H.K.); (Y.S.); (S.Z.); (Q.Z.); (J.L.); (W.C.)
| | - Qi Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (X.W.); (W.X.); (L.C.); (C.H.); (H.K.); (Y.S.); (S.Z.); (Q.Z.); (J.L.); (W.C.)
| | - Jiaxuan Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (X.W.); (W.X.); (L.C.); (C.H.); (H.K.); (Y.S.); (S.Z.); (Q.Z.); (J.L.); (W.C.)
| | - Wen Cui
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (X.W.); (W.X.); (L.C.); (C.H.); (H.K.); (Y.S.); (S.Z.); (Q.Z.); (J.L.); (W.C.)
| | - Yanping Jiang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (X.W.); (W.X.); (L.C.); (C.H.); (H.K.); (Y.S.); (S.Z.); (Q.Z.); (J.L.); (W.C.)
| | - Lijie Tang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, China; (X.W.); (W.X.); (L.C.); (C.H.); (H.K.); (Y.S.); (S.Z.); (Q.Z.); (J.L.); (W.C.)
- Heilongjiang Key Laboratory for Animal Disease Control and Pharmaceutical Development, Northeast Agricultural University, Harbin 150030, China
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Chen Z, Liu Z, Liu J, Xiao X. Research progress in the detection of common foodborne hazardous substances based on functional nucleic acids biosensors. Biotechnol Bioeng 2023; 120:3501-3517. [PMID: 37723667 DOI: 10.1002/bit.28555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 08/31/2023] [Accepted: 09/01/2023] [Indexed: 09/20/2023]
Abstract
With the further improvement of food safety requirements, the development of fast, highly sensitive, and portable methods for the determination of foodborne hazardous substances has become a new trend in the food industry. In recent years, biosensors and platforms based on functional nucleic acids, along with a range of signal amplification devices and methods, have been established to enable rapid and sensitive determination of specific substances in samples, opening up a new avenue of analysis and detection. In this paper, functional nucleic acid types including aptamers, deoxyribozymes, and G-quadruplexes which are commonly used in the detection of food source pollutants are introduced. Signal amplification elements include quantum dots, noble metal nanoparticles, magnetic nanoparticles, DNA walkers, and DNA logic gates. Signal amplification technologies including nucleic acid isothermal amplification, hybridization chain reaction, catalytic hairpin assembly, biological barcodes, and microfluidic system are combined with functional nucleic acids sensors and applied to the detection of many foodborne hazardous substances, such as foodborne pathogens, mycotoxins, residual antibiotics, residual pesticides, industrial pollutants, heavy metals, and allergens. Finally, the potential opportunities and broad prospects of functional nucleic acids biosensors in the field of food analysis are discussed.
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Affiliation(s)
- Zijie Chen
- School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, the People's Republic of China
| | - Zhen Liu
- School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, the People's Republic of China
| | - Jingjing Liu
- School of Chemistry and Chemical Engineering, University of South China, Hengyang, Hunan, the People's Republic of China
| | - Xilin Xiao
- School of Public Health, Hengyang Medical School, University of South China, Hengyang, Hunan, the People's Republic of China
- State Key Laboratory of Chemo/Biosensing and Chemometrics, Hunan University, Changsha, Hunan, the People's Republic of China
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6
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Panwar S, Duggirala KS, Yadav P, Debnath N, Yadav AK, Kumar A. Advanced diagnostic methods for identification of bacterial foodborne pathogens: contemporary and upcoming challenges. Crit Rev Biotechnol 2023; 43:982-1000. [PMID: 35994308 DOI: 10.1080/07388551.2022.2095253] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 06/09/2022] [Indexed: 11/03/2022]
Abstract
It is a public health imperative to have safe food and water across the population. Foodborne infections are one of the primary causes of sickness and mortality in both developed and developing countries. An estimated 100 million foodborne diseases and 120 000 foodborne illness-related fatalities occur each year in India. Several factors affect foodborne illness, such as improper farming methods, poor sanitary and hygienic conditions at all levels of the food supply chain, the lack of preventative measures in the food processing industry, the misuse of food additives, as well as improper storage and handling. In addition, chemical and microbiological combinations also play a key role in disease development. But recent disease outbreaks indicated that microbial pathogens played a major role in the development of foodborne diseases. Therefore, prompt, rapid, and accurate detection of high-risk food pathogens is extremely vital to warrant the safety of the food items. Conventional approaches for identifying foodborne pathogens are labor-intensive and cumbersome. As a result, a range of technologies for the rapid detection of foodborne bacterial pathogens have been developed. Presently, many methods are available for the instantaneous detection, identification, and monitoring of foodborne pathogens, such as nucleic acid-based methods, biosensor-based methods, and immunological-based methods. The goal of this review is to provide a complete evaluation of several existing and emerging strategies for detecting food-borne pathogens. Furthermore, this review outlines innovative methodologies and their uses in food testing, along with their existing limits and future possibilities in the detection of live pathogens in food.
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Affiliation(s)
- Surbhi Panwar
- Department of Genetics and Plant Breeding, Chaudhary Charan Singh University, Meerut, India
| | | | - Pooja Yadav
- Centre for Molecular Biology, Central University of Jammu, Jammu, India
| | - Nabendu Debnath
- Centre for Molecular Biology, Central University of Jammu, Jammu, India
| | - Ashok Kumar Yadav
- Centre for Molecular Biology, Central University of Jammu, Jammu, India
| | - Ashwani Kumar
- Department of Nutrition Biology, Central University of Haryana, Mahendergarh, India
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Chen YS, Huang CH, Pai PC, Seo J, Lei KF. A Review on Microfluidics-Based Impedance Biosensors. BIOSENSORS 2023; 13:bios13010083. [PMID: 36671918 PMCID: PMC9855525 DOI: 10.3390/bios13010083] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 12/20/2022] [Accepted: 12/28/2022] [Indexed: 05/30/2023]
Abstract
Electrical impedance biosensors are powerful and continuously being developed for various biological sensing applications. In this line, the sensitivity of impedance biosensors embedded with microfluidic technologies, such as sheath flow focusing, dielectrophoretic focusing, and interdigitated electrode arrays, can still be greatly improved. In particular, reagent consumption reduction and analysis time-shortening features can highly increase the analytical capabilities of such biosensors. Moreover, the reliability and efficiency of analyses are benefited by microfluidics-enabled automation. Through the use of mature microfluidic technology, complicated biological processes can be shrunk and integrated into a single microfluidic system (e.g., lab-on-a-chip or micro-total analysis systems). By incorporating electrical impedance biosensors, hand-held and bench-top microfluidic systems can be easily developed and operated by personnel without professional training. Furthermore, the impedance spectrum provides broad information regarding cell size, membrane capacitance, cytoplasmic conductivity, and cytoplasmic permittivity without the need for fluorescent labeling, magnetic modifications, or other cellular treatments. In this review article, a comprehensive summary of microfluidics-based impedance biosensors is presented. The structure of this article is based on the different substrate material categorizations. Moreover, the development trend of microfluidics-based impedance biosensors is discussed, along with difficulties and challenges that may be encountered in the future.
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Affiliation(s)
- Yu-Shih Chen
- Department of Biomedical Engineering, Chang Gung University, Taoyuan 33302, Taiwan
| | - Chun-Hao Huang
- Department of Biomedical Engineering, Chang Gung University, Taoyuan 33302, Taiwan
| | - Ping-Ching Pai
- Department of Radiation Oncology, Linkou Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan
| | - Jungmok Seo
- Department of Biomedical Engineering, Chang Gung University, Taoyuan 33302, Taiwan
- Department of Electrical & Electronic Engineering, Yonsei University, Seoul 120-749, Republic of Korea
| | - Kin Fong Lei
- Department of Biomedical Engineering, Chang Gung University, Taoyuan 33302, Taiwan
- Department of Radiation Oncology, Linkou Chang Gung Memorial Hospital, Taoyuan 33305, Taiwan
- Department of Electrical & Electronic Engineering, Yonsei University, Seoul 120-749, Republic of Korea
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Kim S, Song H, Ahn H, Kim T, Jung J, Cho SK, Shin DM, Choi JR, Hwang YH, Kim K. A Review of Advanced Impedance Biosensors with Microfluidic Chips for Single-Cell Analysis. BIOSENSORS 2021; 11:412. [PMID: 34821628 PMCID: PMC8615569 DOI: 10.3390/bios11110412] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 10/09/2021] [Accepted: 10/20/2021] [Indexed: 05/25/2023]
Abstract
Electrical impedance biosensors combined with microfluidic devices can be used to analyze fundamental biological processes for high-throughput analysis at the single-cell scale. These specialized analytical tools can determine the effectiveness and toxicity of drugs with high sensitivity and demonstrate biological functions on a single-cell scale. Because the various parameters of the cells can be measured depending on methods of single-cell trapping, technological development ultimately determine the efficiency and performance of the sensors. Identifying the latest trends in single-cell trapping technologies afford opportunities such as new structural design and combination with other technologies. This will lead to more advanced applications towards improving measurement sensitivity to the desired target. In this review, we examined the basic principles of impedance sensors and their applications in various biological fields. In the next step, we introduced the latest trend of microfluidic chip technology for trapping single cells and summarized the important findings on the characteristics of single cells in impedance biosensor systems that successfully trapped single cells. This is expected to be used as a leading technology in cell biology, pathology, and pharmacological fields, promoting the further understanding of complex functions and mechanisms within individual cells with numerous data sampling and accurate analysis capabilities.
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Affiliation(s)
- Soojung Kim
- Departments of Congo-Mechatronics Engineering, Pusan National University, Busan 46241, Korea; (S.K.); (H.S.); (H.A.); (T.K.); (J.J.)
| | - Hyerin Song
- Departments of Congo-Mechatronics Engineering, Pusan National University, Busan 46241, Korea; (S.K.); (H.S.); (H.A.); (T.K.); (J.J.)
| | - Heesang Ahn
- Departments of Congo-Mechatronics Engineering, Pusan National University, Busan 46241, Korea; (S.K.); (H.S.); (H.A.); (T.K.); (J.J.)
| | - Taeyeon Kim
- Departments of Congo-Mechatronics Engineering, Pusan National University, Busan 46241, Korea; (S.K.); (H.S.); (H.A.); (T.K.); (J.J.)
| | - Jihyun Jung
- Departments of Congo-Mechatronics Engineering, Pusan National University, Busan 46241, Korea; (S.K.); (H.S.); (H.A.); (T.K.); (J.J.)
| | - Soo Kyung Cho
- Division of Nano Convergence Technology, Pusan National University (PNU), Miryang 50463, Korea;
| | - Dong-Myeong Shin
- Department of Mechanical Engineering, The University of Hong Kong, Pokfulam, Hong Kong 999077, China;
| | - Jong-ryul Choi
- Medical Device Development Center, Daegu-Gyeongbuk Medical Innovation Foundation (DGMIF), Daegu 41061, Korea;
| | - Yoon-Hwae Hwang
- Department of Nano Energy Engineering, Pusan National University (PNU), Busan 46241, Korea
| | - Kyujung Kim
- Departments of Congo-Mechatronics Engineering, Pusan National University, Busan 46241, Korea; (S.K.); (H.S.); (H.A.); (T.K.); (J.J.)
- Department of Optics and Mechatronics Engineering, Pusan National University, Busan 46241, Korea
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9
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Li Q, Hu Y, Fei X, Du Y, Guo W, Chu D, Wang X, Wang S, Shi H. OmpC, a novel factor H-binding surface protein, is dispensable for the adherence and virulence of Salmonella enterica serovar Typhimurium. Vet Microbiol 2021; 259:109157. [PMID: 34197978 DOI: 10.1016/j.vetmic.2021.109157] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 06/15/2021] [Indexed: 11/24/2022]
Abstract
Salmonella enterica serovar Typhimurium utilizes a series of strategies to evade host innate immune defenses, including the serum complement system. Many microbial pathogens have evolved the ability to bind the complement regulatory protein factor H (FH) through their surface factor H-binding proteins (FHBPs) to circumvent the complement-mediated bactericidal effect. However, the roles of FHBPs in Salmonella pathogenesis are not well understood. In this study, we demonstrated that the survival of S. Typhimurium in human serum was decreased in a time and concentration dependent manner. Pre-incubation with FH attenuated the sensitivity of S. Typhimurium strain χ3761 to complement-mediated serum killing, suggesting FH binding enhance survival in serum. We aimed to identify novel S. Typhimurium FHBPs and characterize their biological functions. Here, six potential FHBPs were identified by two-dimensional (2D)-Far-western blot, and three of them were further confirmed to bind FH by Far-western blot and dot blot. We found that deletion of ompC (ΔompC) significantly inhibited the survival of S. Typhimurium strain χ3761 in human serum. Our results indicated that the ompC mutation does not affect χ3761 adhesion to HeLa cells. Furthermore, a mice infection model showed that deletion of ompC had no significant effect on the histopathological lesions or viability compared with the wild-type strain χ3761. In summary, these results suggested that OmpC is an important FHBP, but not a critical virulence factor of S. Typhimurium.
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Affiliation(s)
- Quan Li
- College of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, Jiangsu, China; Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, China.
| | - Yuhan Hu
- College of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, Jiangsu, China; Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, China.
| | - Xia Fei
- College of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, Jiangsu, China; Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, China.
| | - Yuanzhao Du
- Yebio Bioengineering Co., Ltd of Qingdao, Qingdao, 266114, China.
| | - Weiwei Guo
- Yebio Bioengineering Co., Ltd of Qingdao, Qingdao, 266114, China.
| | - Dianfeng Chu
- Yebio Bioengineering Co., Ltd of Qingdao, Qingdao, 266114, China.
| | - Xiaobo Wang
- College of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, Jiangsu, China; Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, China.
| | - Shifeng Wang
- Department of Infectious Diseases and Immunology, College of Veterinary Medicine, University of Florida, Gainesville, FL, 32611-0880, USA.
| | - Huoying Shi
- College of Veterinary Medicine, Yangzhou University, Yangzhou, 225009, Jiangsu, China; Jiangsu Co-Innovation Center for the Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, China; Key Laboratory of Animal Infectious Diseases, Ministry of Agriculture, Yangzhou University, China; Jiangsu Key Laboratory of Preventive Veterinary Medicine, Yangzhou University, China.
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Pandey R, Chang D, Smieja M, Hoare T, Li Y, Soleymani L. Integrating programmable DNAzymes with electrical readout for rapid and culture-free bacterial detection using a handheld platform. Nat Chem 2021; 13:895-901. [PMID: 34168325 DOI: 10.1038/s41557-021-00718-x] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Accepted: 04/29/2021] [Indexed: 11/09/2022]
Abstract
The detection and identification of bacteria currently rely on enrichment steps such as bacterial culture and nucleic acid amplification to increase the concentration of target analytes. These steps increase assay time, cost and complexity, making it difficult to realize a truly rapid point-of-care test. Here we report the development of an electrical assay that uses electroactive RNA-cleaving DNAzymes (e-RCDs) to identify specific bacterial targets and subsequently release a DNA barcode for transducing a signal onto an electrical chip. Integrating e-RCDs into a two-channel electrical chip with nanostructured electrodes provides the analytical sensitivity and specificity needed for clinical analysis. The e-RCD assay is capable of detecting 10 CFU (equivalent to 1,000 CFU ml-1) of Escherichia coli selectively from a panel containing multiple non-specific bacterial species. Clinical evaluation of this assay using 41 patient urine samples demonstrated a diagnostic sensitivity of 100% and specificity of 78% at an analysis time of less than one hour compared with the several hours needed for currently used culture-based methods.
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Affiliation(s)
- Richa Pandey
- Department of Engineering Physics, McMaster University, Hamilton, Canada
| | - Dingran Chang
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Canada
| | - Marek Smieja
- Department of Pathology and Molecular Medicine, McMaster University, Hamilton, Canada.,Michael G. DeGroote Institute for Infectious Disease Research (IIDR), McMaster University, Hamilton, Canada
| | - Todd Hoare
- Department of Chemical Engineering, McMaster University, Hamilton, Canada.,School of Biomedical Engineering, McMaster University, Hamilton, Canada
| | - Yingfu Li
- Department of Biochemistry and Biomedical Sciences, McMaster University, Hamilton, Canada. .,Michael G. DeGroote Institute for Infectious Disease Research (IIDR), McMaster University, Hamilton, Canada. .,School of Biomedical Engineering, McMaster University, Hamilton, Canada.
| | - Leyla Soleymani
- Department of Engineering Physics, McMaster University, Hamilton, Canada. .,School of Biomedical Engineering, McMaster University, Hamilton, Canada.
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Han CH, Jang J. Integrated microfluidic platform with electrohydrodynamic focusing and a carbon-nanotube-based field-effect transistor immunosensor for continuous, selective, and label-free quantification of bacteria. LAB ON A CHIP 2021; 21:184-195. [PMID: 33283832 DOI: 10.1039/d0lc00783h] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Electrokinetic technologies such as AC electro-osmosis (EO) and dielectrophoresis (DEP) have been used for effective manipulation of bacteria to enhance the sensitivity of an assay, and many previously reported electrokinetics-enhanced biosensors are based on stagnant fluids. An effective region for positive DEP for particle capture is usually too close to the electrode for the flowing particles to move toward the detection zone of a biosensor against the flow direction; this poses a technical challenge for electrokinetics-assisted biosensors implemented within pressure-driven flows, especially if the particles flow with high speed and if the detection zone is small. Here, we present a microfluidic single-walled carbon nanotube (SWCNT)-based field-effect transistor immunosensor with electrohydrodynamic (EHD) focusing and DEP concentration for continuous and label-free detection of flowing Staphylococcus aureus in a 0.01× phosphate buffered saline (PBS) solution. The EHD focusing involved AC EO and negative DEP to align the flowing particles along lines close to the bottom surface of a microfluidic channel for facilitating particle capture downstream at the detection zone. For feasibility, 380 nm-diameter fluorescent beads suspended in 0.001× PBS were tested, and 14.6 times more beads were observed to be concentrated in the detection area with EHD focusing. Moreover, label-free, continuous, and selective measurement of S. aureus in 0.01× PBS was demonstrated, showing good linearity between the relative changes in electrical conductance of the SWCNTs and logarithmic S. aureus concentrations, a capture/detection time of 35 min, and a limit of detection of 150 CFU mL-1, as well as high specificity through electrical manipulation and biological interaction.
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Affiliation(s)
- Chang-Ho Han
- Department of Mechanical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan 44919, Republic of Korea.
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12
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Interdigitated and Wave-Shaped Electrode-Based Capacitance Sensor for Monitoring Antibiotic Effects. SENSORS 2020; 20:s20185237. [PMID: 32937982 PMCID: PMC7570453 DOI: 10.3390/s20185237] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 09/11/2020] [Accepted: 09/11/2020] [Indexed: 12/26/2022]
Abstract
Label-free and real-time monitoring of the bacterial viability is essential for the accurate and sensitive characterization of the antibiotic effects. In the present study, we investigated the feasibility of the interdigitated and wave-shaped electrode (IWE) for monitoring the effect of tetracycline or kanamycin on Staphylococcus aureus (S. aureus) and methicillin-resistant S.aureus (MRSA). The electrical impedance spectra of the IWE immersed in the culture media for bacterial growth were characterized in a frequency range of 10 Hz to 1 kHz. The capacitance index (CI) (capacitance change relevant with the bacterial viability) was used to monitor the antibiotic effects on the S. aureus and MRSA in comparison to the traditional methods (disk diffusion test and optical density (OD) measurement). The experimental results showed that the percentage of change in CI (PCI) for the antibiotic effect on MRSA was increased by 51.58% and 57.83% in kanamycin and control, respectively. In contrast, the PCI value decreased by 0.25% for tetracycline, decreased by 52.63% and 37.66% in the cases of tetracycline and kanamycin-treated S. aureus, and increased 2.79% in the control, respectively. This study demonstrated the feasibility of the IWE-based capacitance sensor for the label-free and real-time monitoring of the antibiotic effects on S. aureus and MRSA.
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13
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Chai C, Oh SW. Electrochemical impedimetric biosensors for food safety. Food Sci Biotechnol 2020; 29:879-887. [PMID: 32582450 PMCID: PMC7297935 DOI: 10.1007/s10068-020-00776-w] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 05/12/2020] [Accepted: 05/17/2020] [Indexed: 12/20/2022] Open
Abstract
Electrochemical impedimetric biosensors (EIBs) have a simple structure and can be used to rapidly and sensitively detect and measure hazards in food. EIBs detect and measure target molecules by transducing biochemical reactions on their surface to electrical signal outputs responding to a sinusoidal electrical signal input. Due to their structural simplicity and analytical sensitivity, EIBs are regarded as the most potent method of food hazard monitoring that can be implemented in the food supply chain. This paper discusses the theoretical background, structure, and construction of EIB and its applications in food safety.
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Affiliation(s)
- Changhoon Chai
- Department of Applied Animal Science, Kangwon National University, Chuncheon, 24341 Republic of Korea
| | - Se-Wook Oh
- Department of Food and Nutrition, Kookmin University, Seoul, 02707 Republic of Korea
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14
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Puiu M, Bala C. Microfluidics-integrated biosensing platforms as emergency tools for on-site field detection of foodborne pathogens. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2020.115831] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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15
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Abdullah A, Dastider SG, Jasim I, Shen Z, Yuksek N, Zhang S, Dweik M, Almasri M. Microfluidic based impedance biosensor for pathogens detection in food products. Electrophoresis 2019; 40:508-520. [DOI: 10.1002/elps.201800405] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 11/28/2018] [Accepted: 11/29/2018] [Indexed: 11/11/2022]
Affiliation(s)
- Amjed Abdullah
- Department of Electrical and Computer Engineering University of Missouri Columbia MO USA
| | | | - Ibrahem Jasim
- Department of Electrical and Computer Engineering University of Missouri Columbia MO USA
| | - Zhenyu Shen
- Department Veterinary Pathobiology University of Missouri Columbia MO USA
| | - Nuh Yuksek
- Department of Electrical and Computer Engineering University of Missouri Columbia MO USA
| | - Shuping Zhang
- Department Veterinary Pathobiology University of Missouri Columbia MO USA
| | - Majed Dweik
- Co‐operative Research and Life and Physical Sciences Lincoln University Jefferson City MO USA
| | - Mahmoud Almasri
- Department of Electrical and Computer Engineering University of Missouri Columbia MO USA
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