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Zhao X, Zhai L, Chen J, Zhou Y, Gao J, Xu W, Li X, Liu K, Zhong T, Xiao Y, Yu X. Recent Advances in Microfluidics for the Early Detection of Plant Diseases in Vegetables, Fruits, and Grains Caused by Bacteria, Fungi, and Viruses. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024. [PMID: 38875493 DOI: 10.1021/acs.jafc.4c00454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2024]
Abstract
In the context of global population growth expected in the future, enhancing the agri-food yield is crucial. Plant diseases significantly impact crop production and food security. Modern microfluidics offers a compact and convenient approach for detecting these defects. Although this field is still in its infancy and few comprehensive reviews have explored this topic, practical research has great potential. This paper reviews the principles, materials, and applications of microfluidic technology for detecting plant diseases caused by various pathogens. Its performance in realizing the separation, enrichment, and detection of different pathogens is discussed in depth to shed light on its prospects. With its versatile design, microfluidics has been developed for rapid, sensitive, and low-cost monitoring of plant diseases. Incorporating modules for separation, preconcentration, amplification, and detection enables the early detection of trace amounts of pathogens, enhancing crop security. Coupling with imaging systems, smart and digital devices are increasingly being reported as advanced solutions.
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Affiliation(s)
- Xiaohan Zhao
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Taipa, Macao 999078, People's Republic of China
| | - Lingzi Zhai
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, People's Republic of China
- Department of Food Science & Technology, National University of Singapore, Science Drive 2, Singapore 117542, Singapore
| | - Jingwen Chen
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, People's Republic of China
- Wageningen University & Research, Wageningen 6708 WG, The Netherlands
| | - Yongzhi Zhou
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, People's Republic of China
| | - Jiuhe Gao
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, People's Republic of China
| | - Wenxiao Xu
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, People's Republic of China
| | - Xiaowei Li
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, People's Republic of China
| | - Kaixu Liu
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, People's Republic of China
| | - Tian Zhong
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, People's Republic of China
| | - Ying Xiao
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Taipa, Macao 999078, People's Republic of China
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, People's Republic of China
| | - Xi Yu
- Faculty of Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau 999078, People's Republic of China
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Ferrari E. Gold Nanoparticle-Based Plasmonic Biosensors. BIOSENSORS 2023; 13:bios13030411. [PMID: 36979623 PMCID: PMC10046074 DOI: 10.3390/bios13030411] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2023] [Revised: 03/16/2023] [Accepted: 03/20/2023] [Indexed: 06/10/2023]
Abstract
One of the emerging technologies in molecular diagnostics of the last two decades is the use of gold nanoparticles (AuNPs) for biosensors. AuNPs can be functionalized with various biomolecules, such as nucleic acids or antibodies, to recognize and bind to specific targets. AuNPs present unique optical properties, such as their distinctive plasmonic band, which confers a bright-red color to AuNP solutions, and their extremely high extinction coefficient, which makes AuNPs detectable by the naked eye even at low concentrations. Ingenious molecular mechanisms triggered by the presence of a target analyte can change the colloidal status of AuNPs from dispersed to aggregated, with a subsequent visible change in color of the solution due to the loss of the characteristic plasmonic band. This review describes how the optical properties of AuNPs have been exploited for the design of plasmonic biosensors that only require the simple mixing of reagents combined with a visual readout and focuses on the molecular mechanisms involved. This review illustrates selected examples of AuNP-based plasmonic biosensors and promising approaches for the point-of-care testing of various analytes, spanning from the viral RNA of SARS-CoV-2 to the molecules that give distinctive flavor and color to aged whisky.
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Affiliation(s)
- Enrico Ferrari
- Department of Life Sciences, University of Lincoln, Lincoln LN6 7TS, UK
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3
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Venkataraman S, Selvarajan R, Subramanian SS, Handanahalli SS. Insights into the capsid structure of banana bunchy top virus. 3 Biotech 2022; 12:144. [PMID: 35694237 DOI: 10.1007/s13205-022-03204-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Accepted: 03/05/2022] [Indexed: 11/01/2022] Open
Abstract
Banana is the major staple food crop for approximately 400 million people. Bunchy top disease of banana is one of the most devastating diseases caused by banana bunchy top virus (BBTV), which results in stunting of plants, bunchy appearance of leaves and a significant loss of yield. While many isolates of BBTV from various regions of India have been characterized by different groups, no structural study exists for this important virus. To bridge this gap, the pET28a clone of the coat protein (CP) gene from BBTV isolate of Hill banana grown in lower Pulney Hills (Virupakshi) of Tamilnadu was expressed in BL21 (DE3) pLysS. Purification of the CP was achieved by Ni-NTA affinity chromatography. In vitro capsid assembly studied using sucrose density gradient centrifugation suggested that the CP did not assemble as a virus-like particle (VLP), but remained as smaller oligomers. Studies using dynamic light scattering (DLS) indicate that the purified protein is poly-dispersed, represented majorly as pentamers. Homology modeling studies provided useful insights into the probable fold of the CP suggesting that it is a β-sandwich, similar to that seen in the majority of plant viruses. In silico capsid reconstruction aided the understanding of the quaternary organization of subunits in the capsid and their molecular interactions. The location of the aphid-binding EAG motif was identified on the surface loops close to the pentameric axis indicating its role in vector-mediated transmission. Comparison with the CP and capsid structure of geminiviruses provided useful insights into the mode of nucleic acid binding and the role of genome during capsid assembly. Supplementary Information The online version contains supplementary material available at 10.1007/s13205-022-03204-4.
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Affiliation(s)
| | - Ramasamy Selvarajan
- ICAR National Research Centre for Banana, Thayanur Post, Tiruchirapalli, 620102 India
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Dyussembayev K, Sambasivam P, Bar I, Brownlie JC, Shiddiky MJA, Ford R. Biosensor Technologies for Early Detection and Quantification of Plant Pathogens. Front Chem 2021; 9:636245. [PMID: 34150716 PMCID: PMC8207201 DOI: 10.3389/fchem.2021.636245] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 02/19/2021] [Indexed: 11/13/2022] Open
Abstract
Plant pathogens are a major reason of reduced crop productivity and may lead to a shortage of food for both human and animal consumption. Although chemical control remains the main method to reduce foliar fungal disease incidence, frequent use can lead to loss of susceptibility in the fungal population. Furthermore, over-spraying can cause environmental contamination and poses a heavy financial burden on growers. To prevent or control disease epidemics, it is important for growers to be able to detect causal pathogen accurately, sensitively, and rapidly, so that the best practice disease management strategies can be chosen and enacted. To reach this goal, many culture-dependent, biochemical, and molecular methods have been developed for plant pathogen detection. However, these methods lack accuracy, specificity, reliability, and rapidity, and they are generally not suitable for in-situ analysis. Accordingly, there is strong interest in developing biosensing systems for early and accurate pathogen detection. There is also great scope to translate innovative nanoparticle-based biosensor approaches developed initially for human disease diagnostics for early detection of plant disease-causing pathogens. In this review, we compare conventional methods used in plant disease diagnostics with new sensing technologies in particular with deeper focus on electrochemical and optical biosensors that may be applied for plant pathogen detection and management. In addition, we discuss challenges facing biosensors and new capability the technology provides to informing disease management strategies.
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Affiliation(s)
- Kazbek Dyussembayev
- Centre for Planetary Health and Food Security, Griffith University, Nathan, QLD, Australia
- School of Environment and Science, Griffith University, Nathan, QLD, Australia
| | - Prabhakaran Sambasivam
- Centre for Planetary Health and Food Security, Griffith University, Nathan, QLD, Australia
| | - Ido Bar
- Centre for Planetary Health and Food Security, Griffith University, Nathan, QLD, Australia
- School of Environment and Science, Griffith University, Nathan, QLD, Australia
| | - Jeremy C. Brownlie
- Centre for Planetary Health and Food Security, Griffith University, Nathan, QLD, Australia
- School of Environment and Science, Griffith University, Nathan, QLD, Australia
| | - Muhammad J. A. Shiddiky
- School of Environment and Science, Griffith University, Nathan, QLD, Australia
- Queensland Micro and Nanotechnology Centre, Griffith University, Nathan, QLD, Australia
| | - Rebecca Ford
- Centre for Planetary Health and Food Security, Griffith University, Nathan, QLD, Australia
- School of Environment and Science, Griffith University, Nathan, QLD, Australia
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5
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Development of a polymerase chain reaction - Nucleic acid sensor assay for the rapid detection of chicken adulteration. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2020.109679] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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6
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Visual DNA diagnosis of Tomato yellow leaf curl virus with integrated recombinase polymerase amplification and a gold-nanoparticle probe. Sci Rep 2019; 9:15146. [PMID: 31641168 PMCID: PMC6805851 DOI: 10.1038/s41598-019-51650-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2018] [Accepted: 09/24/2019] [Indexed: 12/25/2022] Open
Abstract
A visual DNA diagnosis with a rapid and simple procedure has been developed on integrating recombinase polymerase amplification (RPA) and a gold nanoparticle (AuNP) probe. The entire process is implemented in only one tube with no precision instrument and requires in total 20 min to amplify a DNA fragment with RPA and to discriminate a DNA fragment with an AuNP probe. The result in various colors is directly observable with the naked eye. Through discovering a small DNA fragment of Tomato yellow leaf curl virus (TYLCV), this system can detect one copy per microlitre of virus in a pure isolate of extracted DNA and can readily identify an infected plant with a healthy appearance. This system hence provides a highly sensitive and stable DNA diagnosis. This visual method has a potential for disease diagnosis and prognostication in the field based on advantages of simplicity, high speed, portability and sensitivity.
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Shen J, Zhou T, Huang R. Recent Advances in Electrochemiluminescence Sensors for Pathogenic Bacteria Detection. MICROMACHINES 2019; 10:mi10080532. [PMID: 31412540 PMCID: PMC6723614 DOI: 10.3390/mi10080532] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Revised: 08/04/2019] [Accepted: 08/06/2019] [Indexed: 12/13/2022]
Abstract
Pathogenic bacterial contamination greatly threats human health and safety. Rapidly biosensing pathogens in the early stage of infection would be helpful to choose the correct drug treatment, prevent transmission of pathogens, as well as decrease mortality and economic losses. Traditional techniques, such as polymerase chain reaction and enzyme-linked immunosorbent assay, are accurate and effective, but are greatly limited because they are complex and time-consuming. Electrochemiluminescence (ECL) biosensors combine the advantages of both electrochemical and photoluminescence analysis and are suitable for high sensitivity and simple pathogenic bacteria detection. In this review, we summarize recent advances in ECL sensors for pathogenic bacteria detection and highlight the development of paper-based ECL platforms in point of care diagnosis of pathogens.
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Affiliation(s)
- Jinjin Shen
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Ting Zhou
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Ru Huang
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China.
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8
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Zong L, Jiao Y, Guo X, Zhu C, Gao L, Han Y, Li L, Zhang C, Liu Z, Liu J, Ju Q, Yu HD, Huang W. Paper-based fluorescent immunoassay for highly sensitive and selective detection of norfloxacin in milk at picogram level. Talanta 2019; 195:333-338. [DOI: 10.1016/j.talanta.2018.11.073] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Revised: 11/15/2018] [Accepted: 11/22/2018] [Indexed: 12/16/2022]
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9
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Zhan F, Wang T, Iradukunda L, Zhan J. A gold nanoparticle-based lateral flow biosensor for sensitive visual detection of the potato late blight pathogen, Phytophthora infestans. Anal Chim Acta 2018; 1036:153-161. [DOI: 10.1016/j.aca.2018.06.083] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2018] [Revised: 06/23/2018] [Accepted: 06/30/2018] [Indexed: 12/20/2022]
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Abstract
Point-of-care and in-field technologies for rapid, sensitive and selective detection of molecular biomarkers have attracted much interest. Rugged bioassay technology capable of fast detection of markers for pathogens and genetic diseases would in particular impact the quality of health care in the developing world, but would also make possible more extensive screening in developed countries to tackle problems such as those associated with water and food quality, and tracking of infectious organisms in hospitals and clinics. Literature trends indicate an increasing interest in the use of nanomaterials, and in particular luminescent nanoparticles, for assay development. These materials may offer attributes for development of assays and sensors that could achieve improvements in analytical figures of merit, and provide practical advantages in sensitivity and stability. There is opportunity for cost-efficiency and technical simplicity by implementation of luminescent nanomaterials as the basis for transduction technology, when combined with the use of paper substrates, and the ubiquitous availability of cell phone cameras and associated infrastructure for optical detection and transmission of results. Luminescent nanoparticles have been described for a broad range of bioanalytical targets including small molecules, oligonucleotides, peptides, proteins, saccharides and whole cells (e.g., cancer diagnostics). The luminescent nanomaterials that are described herein for paper-based bioassays include metal nanoparticles, quantum dots and lanthanide-doped nanocrystals. These nanomaterials often have broad and strong absorption and narrow emission bands that improve opportunity for multiplexed analysis, and can be designed to provide emission at wavelengths that are efficiently processed by conventional digital cameras. Luminescent nanoparticles can be embedded in paper substrates that are designed to direct fluid flow, and the resulting combination of technologies can offer competitive analytical performance at relatively low cost.
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Affiliation(s)
- Qiang Ju
- Key Laboratory of Flexible Electronics (KLOFE) & Institute of Advanced Materials (IAM), Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM), Nanjing Tech University (NanjingTech), 30 South Puzhu Road, Nanjing 211816, P.R. China. and Chemical Sensors Group, Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, ON, Canada L5L 1C6.
| | - M Omair Noor
- Chemical Sensors Group, Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, ON, Canada L5L 1C6.
| | - Ulrich J Krull
- Chemical Sensors Group, Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Road, ON, Canada L5L 1C6.
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11
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Li F, Li F, Luo D, Lai W, Xiong Y, Xu H. Biotin-exposure-based immunomagnetic separation coupled with nucleic acid lateral flow biosensor for visibly detecting viable Listeria monocytogenes. Anal Chim Acta 2018. [PMID: 29534795 DOI: 10.1016/j.aca.2018.02.009] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Infectious diseases caused by Listeria monocytogenes pose a great threat to public health worldwide. Therefore, a rapid and efficient method for L. monocytogenes detection is needed. In this study, a biotin-exposure-based immunomagnetic separation (IMS) method was developed. That is, biotinylated antibody was first targeted to L. monocytogenes. Then, streptavidin-functionalized magnetic nanoparticles were added and anchored onto L. monocytogenes cells indirectly through the strong noncovalent interaction between streptavidin and biotin. Biotin-exposure-based IMS exhibited an excellent capability to enrich L. monocytogenes. Specifically, more than 90% of L. monocytogenes was captured when the bacterial concentration was lower than 104 colony-forming units (CFU)/mL. Importantly, the antibody dosage was reduced by 10 times of that in our previous study, which used antibody direct-conjugated magnetic nanoparticles. Propidium monoazide (PMA) treatment prior to PCR amplification could eliminate the false-positive results from dead bacteria and detected viable L. monocytogenes sensitively and specifically. For viable L.monocytogenes detection, enriched L. monocytogenes was treated with PMA prior to asymmetric PCR amplification. The detection limits of the combined IMS with nucleic acid lateral flow (NALF) biosensor for viable L. monocytogenes detection were 3.5 × 103 CFU/mL in phosphate buffer solution and 3.5 × 104 CFU/g in lettuce samples. The whole assay process of recognizing viable L. monocytogenes was completed within 6 h. The proposed biotin-exposure-mediated IMS combined with a disposable NALF biosensor platform posed no health risk to the end user, and possessed potential applications in the rapid screening and identification of foodborne pathogens.
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Affiliation(s)
- Fulai Li
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, PR China
| | - Fan Li
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, PR China
| | - Dan Luo
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, PR China
| | - Weihua Lai
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, PR China
| | - Yonghua Xiong
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, PR China
| | - Hengyi Xu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, PR China.
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12
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Li B, Zhou X, Liu H, Deng H, Huang R, Xing D. Simultaneous Detection of Antibiotic Resistance Genes on Paper-Based Chip Using [Ru(phen) 2dppz] 2+ Turn-on Fluorescence Probe. ACS APPLIED MATERIALS & INTERFACES 2018; 10:4494-4501. [PMID: 29323478 DOI: 10.1021/acsami.7b17653] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Antibiotic resistance, the ability of some bacteria to resist antibiotic drugs, has been a major global health burden due to the extensive use of antibiotic agents. Antibiotic resistance is encoded via particular genes; hence the specific detection of these genes is necessary for diagnosis and treatment of antibiotic resistant cases. Conventional methods for monitoring antibiotic resistance genes require the sample to be transported to a central laboratory for tedious and sophisticated tests, which is grueling and time-consuming. We developed a paper-based chip, integrated with loop-mediated isothermal amplification (LAMP) and the "light switch" molecule [Ru(phen)2dppz]2+, to conduct turn-on fluorescent detection of antibiotic resistance genes. In this assay, the amplification reagents can be embedded into test spots of the chip in advance, thus simplifying the detection procedure. [Ru(phen)2dppz]2+ was applied to intercalate into amplicons for product analysis, enabling this assay to be operated in a wash-free format. The paper-based detection device exhibited a limit of detection (LOD) as few as 100 copies for antibiotic resistance genes. Meanwhile, it could detect antibiotic resistance genes from various bacteria. Noticeably, the approach can be applied to other genes besides antibiotic resistance genes by simply changing the LAMP primers. Therefore, this paper-based chip has the potential for point-of-care (POC) applications to detect various gene samples, especially in resource-limited conditions.
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Affiliation(s)
- Bofan Li
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics South China Normal University , Guangzhou 510631, China
| | - Xiaoming Zhou
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics South China Normal University , Guangzhou 510631, China
| | - Hongxing Liu
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics South China Normal University , Guangzhou 510631, China
| | - Huaping Deng
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics South China Normal University , Guangzhou 510631, China
| | - Ru Huang
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics South China Normal University , Guangzhou 510631, China
| | - Da Xing
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics South China Normal University , Guangzhou 510631, China
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Deng H, Zhou X, Liu Q, Li B, Liu H, Huang R, Xing D. Paperfluidic Chip Device for Small RNA Extraction, Amplification, and Multiplexed Analysis. ACS APPLIED MATERIALS & INTERFACES 2017; 9:41151-41158. [PMID: 29116747 DOI: 10.1021/acsami.7b12637] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Small RNAs have been considered as potential biomarkers of various human diseases. Sensitive and multiplexed determination of small RNAs with point-of-care (POC) assay would be of great significance. Herein, an integrated paperfluidic chip device for multiplexed small RNA analysis was developed for the first time. In this system, the extraction and purification of small RNA was completed through a poly(ether sulfone) (PES) paper chip without the need for centrifugation. Subsequently, a newly designed hairpin probe-exponential amplification reaction (HP-EXPAR) was directly performed within the extraction paper chip. For the simultaneous realization of multiple detection, a multilayer paper chip was designed in a foldable manner with more portability and usability. Quantum dots (QDs) were employed as signal labels, which endowed this assay with high optical detection efficiency. Moreover, magnetic sheets were introduced as an alternative method for layer stacking, not only guaranteeing adjacent layers are in contact but also facilitating the sample dispersion. With these outstanding characteristics, our platform obtained a satisfactory sensitivity range from 3 × 105 to 3 × 108 copies with a limit of 3 × 106 copies. Additionally, the multiplex small RNA analyses from various cancer cells were in good agreement with the results of the real-time polymerase chain reaction (qRT-PCR). More importantly, simultaneous analysis of two types of miRNAs from clinical tumor samples demonstrated the clinical applicability of the system. Therefore, the proposed paper-based device shows great promise for POC applications in the future.
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Affiliation(s)
- Huaping Deng
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University , Guangzhou 510631, China
| | - Xiaoming Zhou
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University , Guangzhou 510631, China
| | - Qianwen Liu
- Department of Thoracic Surgery, Sun Yat-sen University Cancer Center, State Key Laboratory of Oncology in South China, Collaborative Innovation Center of Cancer Medicine , Guangzhou 510060, China
| | - Bofan Li
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University , Guangzhou 510631, China
| | - Hongxing Liu
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University , Guangzhou 510631, China
| | - Ru Huang
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University , Guangzhou 510631, China
| | - Da Xing
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University , Guangzhou 510631, China
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14
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Qu X, Li M, Zhang H, Lin C, Wang F, Xiao M, Zhou Y, Shi J, Aldalbahi A, Pei H, Chen H, Li L. Real-Time Continuous Identification of Greenhouse Plant Pathogens Based on Recyclable Microfluidic Bioassay System. ACS APPLIED MATERIALS & INTERFACES 2017; 9:31568-31575. [PMID: 28858468 DOI: 10.1021/acsami.7b10116] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
The development of a real-time continuous analytical platform for the pathogen detection is of great scientific importance for achieving better disease control and prevention. In this work, we report a rapid and recyclable microfluidic bioassay system constructed from oligonucleotide arrays for selective and sensitive continuous identification of DNA targets of fungal pathogens. We employ the thermal denaturation method to effectively regenerate the oligonucleotide arrays for multiple sample detection, which could considerably reduce the screening effort and costs. The combination of thermal denaturation and laser-induced fluorescence detection technique enables real-time continuous identification of multiple samples (<10 min per sample). As a proof of concept, we have demonstrated that two DNA targets of fungal pathogens (Botrytis cinerea and Didymella bryoniae) can be sequentially analyzed using our rapid microfluidic bioassay system, which provides a new paradigm in the design of microfluidic bioassay system and will be valuable for chemical and biomedical analysis.
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Affiliation(s)
- Xiangmeng Qu
- Pen-Tung Sah Institute of Micro-Nano Science and Technology of Xiamen University, Xiamen University , Xiamen 361005, P. R. China
- School of Chemistry and Molecular Engineering, East China Normal University , Shanghai 200241, P. R. China
| | - Min Li
- School of Chemistry and Molecular Engineering, East China Normal University , Shanghai 200241, P. R. China
| | - Hongbo Zhang
- Department of Pharmaceutical Sciences Laboratory, Åbo Akademi University , Turku 20520, Finland
| | - Chenglie Lin
- School of Basic Medicine, Chengdu University of Traditional Chinese Medicine , Chengdu 611137, P. R. China
| | - Fei Wang
- Division of Physical Biology & Bioimaging Center, Shanghai Synchrotron Radiation Facility, Shanghai Institute of Applied Physics, Chinese Academy of Sciences , Shanghai 201800, P. R. China
| | - Mingshu Xiao
- School of Chemistry and Molecular Engineering, East China Normal University , Shanghai 200241, P. R. China
| | - Yi Zhou
- School of Basic Medicine, Chengdu University of Traditional Chinese Medicine , Chengdu 611137, P. R. China
| | - Jiye Shi
- UCB Pharma, 208 Bath Road, Slough SL1 3WE, U.K
| | - Ali Aldalbahi
- Chemistry Department, King Saud University , Riyadh 11451, Saudi Arabia
| | - Hao Pei
- School of Chemistry and Molecular Engineering, East China Normal University , Shanghai 200241, P. R. China
| | - Hong Chen
- Pen-Tung Sah Institute of Micro-Nano Science and Technology of Xiamen University, Xiamen University , Xiamen 361005, P. R. China
| | - Li Li
- School of Chemistry and Molecular Engineering, East China Normal University , Shanghai 200241, P. R. China
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15
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Kumar P, Arun V, Lokeswari TS. Cloning of BBTV (Banana Bunchy Top Virus) components and screening of BBTV using functionalized gold nanoparticles. 3 Biotech 2017; 7:225. [PMID: 28677087 PMCID: PMC5496936 DOI: 10.1007/s13205-017-0849-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Accepted: 05/22/2017] [Indexed: 10/19/2022] Open
Abstract
Banana bunchy top virus (BBTV) affects all varieties of banana plants and causes heavy economic loss in most of the banana cultivating areas. The BBTV genome comprises of six DNA components; in this study, we have cloned the six BBTV-DNA components from one of the BBTV-infected plants (Tri-8) and were submitted to GenBank. Analysis of the BBTV DNA-R component showed that it belonged to south Pacific group. Resistance against BBTV has not been observed so far in banana plants and removal and killing of the infected plants has been routinely practiced. Hence, early detection of BBTV infection would be desirable and various detection methods routinely employed include enzyme linked immunosorbent assay (antigen-antibody based) and molecular-based methods such as polymerase chain reaction (PCR), qPCR, or LAMP PCR. Most of these methods require enzymes or antibodies for detection and hence are expensive. Here, we report a visual detection method (AuNP probe assay) using gold nanoparticles (AuNPs) functionalized with an ssDNA-thiolated probe (CR1). This method is based on the hybridization of the functionalized AuNPs with the target DNA (BBTV). In the AuNP probe assay, the functionalized AuNPs retains red colour when BBTV DNA is present, and in the absence of BBTV DNA, the colour of the functionalized AuNPs changes to purple when salt is added. The AuNP probe assay was compared with PCR for the detection of banana plants and it was found that AuNP probe assay was better than PCR in detecting BBTV infection (86.5% for AuNP probe assay and 65% for PCR). The AuNP probe assay was found to be highly specific to BBTV and was found to detect up to 1 pg/μl of the plasmid (pTZBBTri 4, BBTV DNA) mixed with healthy banana DNA.
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Affiliation(s)
- P Kumar
- Department of Biotechnology, Sri Ramachandra University, Chennai, Tamil Nadu, 600116, India.
| | - V Arun
- Department of Biotechnology, Sri Ramachandra University, Chennai, Tamil Nadu, 600116, India
| | - T S Lokeswari
- Department of Biotechnology, Sri Ramachandra University, Chennai, Tamil Nadu, 600116, India
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Quantum dots-labeled strip biosensor for rapid and sensitive detection of microRNA based on target-recycled nonenzymatic amplification strategy. Biosens Bioelectron 2017; 87:931-940. [DOI: 10.1016/j.bios.2016.09.043] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2016] [Revised: 08/29/2016] [Accepted: 09/12/2016] [Indexed: 12/15/2022]
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Khater M, de la Escosura-Muñiz A, Merkoçi A. Biosensors for plant pathogen detection. Biosens Bioelectron 2016; 93:72-86. [PMID: 27818053 DOI: 10.1016/j.bios.2016.09.091] [Citation(s) in RCA: 101] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Revised: 09/15/2016] [Accepted: 09/26/2016] [Indexed: 10/20/2022]
Abstract
Infectious plant diseases are caused by pathogenic microorganisms such as fungi, bacteria, viruses, viroids, phytoplasma and nematodes. Worldwide, plant pathogen infections are among main factors limiting crop productivity and increasing economic losses. Plant pathogen detection is important as first step to manage a plant disease in greenhouses, field conditions and at the country boarders. Current immunological techniques used to detect pathogens in plant include enzyme-linked immunosorbent assays (ELISA) and direct tissue blot immunoassays (DTBIA). DNA-based techniques such as polymerase chain reaction (PCR), real time PCR (RT-PCR) and dot blot hybridization have also been proposed for pathogen identification and detection. However these methodologies are time-consuming and require complex instruments, being not suitable for in-situ analysis. Consequently, there is strong interest for developing new biosensing systems for early detection of plant diseases with high sensitivity and specificity at the point-of-care. In this context, we revise here the recent advancement in the development of advantageous biosensing systems for plant pathogen detection based on both antibody and DNA receptors. The use of different nanomaterials such as nanochannels and metallic nanoparticles for the development of innovative and sensitive biosensing systems for the detection of pathogens (i.e. bacteria and viruses) at the point-of-care is also shown. Plastic and paper-based platforms have been used for this purpose, offering cheap and easy-to-use really integrated sensing systems for rapid on-site detection. Beside devices developed at research and development level a brief revision of commercially available kits is also included in this review.
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Affiliation(s)
- Mohga Khater
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and Barcelona Institute of Science and Technology, Campus UAB, 08193 Barcelona, Spain; On leave from Agricultural Research Center (ARC), Ministry of Agriculture and Land Reclamation, Giza, Egypt
| | - Alfredo de la Escosura-Muñiz
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and Barcelona Institute of Science and Technology, Campus UAB, 08193 Barcelona, Spain
| | - Arben Merkoçi
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and Barcelona Institute of Science and Technology, Campus UAB, 08193 Barcelona, Spain; ICREA, Pg. Lluís Companys 23, 08010 Barcelona, Spain.
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18
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Lab-on-paper micro- and nano-analytical devices: Fabrication, modification, detection and emerging applications. Mikrochim Acta 2016. [DOI: 10.1007/s00604-016-1841-4] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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19
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Raliya R, Franke C, Chavalmane S, Nair R, Reed N, Biswas P. Quantitative Understanding of Nanoparticle Uptake in Watermelon Plants. FRONTIERS IN PLANT SCIENCE 2016; 7:1288. [PMID: 27617020 PMCID: PMC4999449 DOI: 10.3389/fpls.2016.01288] [Citation(s) in RCA: 100] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2016] [Accepted: 08/12/2016] [Indexed: 05/11/2023]
Abstract
The use of agrochemical-nutrient fertilizers has come under scrutiny in recent years due to concerns that they damage the ecosystem and endanger public health. Nanotechnology offers many possible interventions to mitigate these risks by use of nanofertilizers, nanopesticides, and nanosensors; and concurrently increases profitability, yields, and sustainability within the agricultural industry. Aerosol based foliar delivery of nanoparticles may help to enhance nanoparticle uptake and reduce environmental impacts of chemical fertilizers conventionally applied through a soil route. The purpose of this work was to study uptake, translocation, and accumulation of various gold nanostructures, 30-80 nm, delivered by aerosol application to a watermelon plant. Cellular uptake and accumulation of gold nanoparticles were quantified by Inductively Coupled Plasma-Mass Spectroscopy (ICP-MS). Observations suggested that nanoparticles could be taken up by the plant through direct penetration and transport through the stomatal opening. Observed translocation of nanoparticles from leaf to root shows evidence that nanoparticles travel by the phloem transport mechanism. Accumulation and transport of nanoparticles depend on nanoparticle shape, application method, and nature of plant tissues.
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Affiliation(s)
- Ramesh Raliya
- Department of Energy, Environmental and Chemical Engineering, Washington University in St. LouisSt. Louis, MO, USA
| | - Christina Franke
- Department of Energy, Environmental and Chemical Engineering, Washington University in St. LouisSt. Louis, MO, USA
- Department of Biomedical Engineering, Case Western Reserve UniversityCleveland, OH, USA
| | - Sanmathi Chavalmane
- Department of Energy, Environmental and Chemical Engineering, Washington University in St. LouisSt. Louis, MO, USA
| | - Remya Nair
- Department of Energy, Environmental and Chemical Engineering, Washington University in St. LouisSt. Louis, MO, USA
| | - Nathan Reed
- Department of Energy, Environmental and Chemical Engineering, Washington University in St. LouisSt. Louis, MO, USA
| | - Pratim Biswas
- Department of Energy, Environmental and Chemical Engineering, Washington University in St. LouisSt. Louis, MO, USA
- *Correspondence: Pratim Biswas
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Liu F, Liu H, Liao Y, Wei J, Zhou X, Xing D. Multiplex detection and genotyping of pathogenic bacteria on paper-based biosensor with a novel universal primer mediated asymmetric PCR. Biosens Bioelectron 2015; 74:778-85. [PMID: 26226347 DOI: 10.1016/j.bios.2015.06.054] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2015] [Revised: 06/21/2015] [Accepted: 06/23/2015] [Indexed: 01/06/2023]
Abstract
Traditionary multiplex asymmetric polymerase chain reaction (PCR) can be applied to detect multiplex target organisms simultaneously, but complex optimizations of primer concentrations and staggered additions of primers are required to achieve equal amplification of multiplex genes. To overcome this shortcoming, we propose a novel method based on multiplex asymmetric PCR and paper-based nucleic acid diagnostics (PBNAD). In the asymmetric PCR, a universal primer was introduced to break the bottlenecks of low sensitivity and self-inhibition among different sets of primers. Amplification using the novel multiplex asymmetric PCR boosted the quantity of single-stranded amplicons, and the amplified products contained the same sequence at the 5' end. Therefore, only one gold nanoparticle-based signal probe was needed for the simultaneous detection of three genes using the PBNAD platform, and the detection signals could be observed with the naked eye. With this highly efficient, novel multiplex asymmetric PCR, as little as 1 pg/μL genomic DNA can be detected. This method can also be applied to genotyping for reliable epidemiological investigations. This proof-of-concept study highlights the potential of the PBNAD platform for cost- and labor-effective applications in the detection of pathogenic bacteria.
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Affiliation(s)
- Fang Liu
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Hongxing Liu
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Yuhui Liao
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Jitao Wei
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
| | - Xiaoming Zhou
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China.
| | - Da Xing
- MOE Key Laboratory of Laser Life Science & Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China.
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