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Li Z, Jallow A, Nidiaye S, Huang Y, Zhang Q, Li P, Tang X. Improvement of the sensitivity of lateral flow systems for detecting mycotoxins: Up-to-date strategies and future perspectives. Compr Rev Food Sci Food Saf 2024; 23:e13255. [PMID: 38284606 DOI: 10.1111/1541-4337.13255] [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: 07/03/2023] [Revised: 09/05/2023] [Accepted: 09/30/2023] [Indexed: 01/30/2024]
Abstract
Mycotoxins are dangerous human and animal health-threatening secondary fungal metabolites that can be found in various food and agricultural products. Several countries have established regulations to restrict their presence in food and agricultural products destined for human and animal consumption. Consequently, the need to develop highly sensitive and smart detection systems was recognized worldwide. Lateral flow assay possesses the advantages of easy operation, rapidity, stability, accuracy, and specificity, and it plays an important role in the detection of mycotoxins. Nevertheless, strategies to comprehensively improve the sensitivity of lateral flow assay to mycotoxins in food have rarely been highlighted and discussed. In this article, a comprehensive overview was presented on the application of lateral flow assay in mycotoxin detection in food samples by highlighting the principle of lateral flow assay, presenting a detailed discussion on various analytical performance-improvement strategies, such as the development of high-affinity recognition reagents, immunogen immobilization methods, and signal amplification. Additionally, a detailed discussion on the various signal analyzers and interpretation approaches was provided. Finally, current hurdles and future perspectives on the application of lateral flow assay in the detection of mycotoxins were discussed.
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Affiliation(s)
- Zhiqiang Li
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs; Laboratory of Risk Assessment for Oilseed Products (Wuhan), Ministry of Agriculture and Rural Affairs; Quality Inspection and Test Center for Oil seed Products, Ministry of Agriculture and Rural Affairs; Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan, China
| | - Abdoulie Jallow
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs; Laboratory of Risk Assessment for Oilseed Products (Wuhan), Ministry of Agriculture and Rural Affairs; Quality Inspection and Test Center for Oil seed Products, Ministry of Agriculture and Rural Affairs; Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan, China
| | - Seyni Nidiaye
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs; Laboratory of Risk Assessment for Oilseed Products (Wuhan), Ministry of Agriculture and Rural Affairs; Quality Inspection and Test Center for Oil seed Products, Ministry of Agriculture and Rural Affairs; Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan, China
| | - Yi Huang
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs; Laboratory of Risk Assessment for Oilseed Products (Wuhan), Ministry of Agriculture and Rural Affairs; Quality Inspection and Test Center for Oil seed Products, Ministry of Agriculture and Rural Affairs; Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan, China
| | - Qi Zhang
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs; Laboratory of Risk Assessment for Oilseed Products (Wuhan), Ministry of Agriculture and Rural Affairs; Quality Inspection and Test Center for Oil seed Products, Ministry of Agriculture and Rural Affairs; Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan, China
- Food Safety Research Institute, HuBei University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
| | - Peiwu Li
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs; Laboratory of Risk Assessment for Oilseed Products (Wuhan), Ministry of Agriculture and Rural Affairs; Quality Inspection and Test Center for Oil seed Products, Ministry of Agriculture and Rural Affairs; Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan, China
- Food Safety Research Institute, HuBei University, Wuhan, China
- Hubei Hongshan Laboratory, Wuhan, China
- Xianghu Laboratory, Hangzhou, China
| | - Xiaoqian Tang
- Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture and Rural Affairs; Laboratory of Risk Assessment for Oilseed Products (Wuhan), Ministry of Agriculture and Rural Affairs; Quality Inspection and Test Center for Oil seed Products, Ministry of Agriculture and Rural Affairs; Oil Crops Research Institute, Chinese Academy of Agricultural Sciences, Wuhan, China
- Food Safety Research Institute, HuBei University, Wuhan, China
- Xianghu Laboratory, Hangzhou, China
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Rodriguez-Quijada C, Lyons C, Sanchez-Purra M, Santamaria C, Leonardo BM, Quinn S, Tlusty MF, Shiaris M, Hamad-Schifferli K. Gold Nanoparticle Paper Immunoassays for Sensing the Presence of Vibrio parahaemolyticus in Oyster Hemolymph. ACS OMEGA 2023; 8:19494-19502. [PMID: 37305279 PMCID: PMC10249105 DOI: 10.1021/acsomega.3c00853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 04/27/2023] [Indexed: 06/13/2023]
Abstract
Seafood contamination with Vibrio bacteria is a problem for aquaculture, especially with oysters, which are often consumed raw. Current methods for diagnosing bacterial pathogens in seafood involve lab-based assays such as polymerase chain reaction or culturing, which are time consuming and must occur in a centralized location. Detection of Vibrio in a point-of-care assay would be a significant tool for food safety control measures. We report here a paper immunoassay that can detect the presence of Vibrio parahaemolyticus (Vp) in buffer and oyster hemolymph. The test uses gold nanoparticles conjugated to polyclonal anti-Vibrio antibodies in a paper-based sandwich immunoassay. A sample is added to the strip and wicked through by capillary action. If Vp is present, it results in a visible color at the test area that can be read out by eyes or a standard mobile phone camera. The assay has a limit of detection of 6.05 × 105 cfu/mL and a cost estimate of $5 per test. Receiver operating characteristic curves with validated environmental samples showed a test sensitivity of 0.96 and a specificity of 1.00. Because the assay is inexpensive and can be used on Vp directly without the requirement for culturing, or sophisticated equipment, it has the potential to be used in fieldable settings.
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Affiliation(s)
- Cristina Rodriguez-Quijada
- Department
of Engineering, University of Massachusetts
Boston, 100 Morrissey Blvd., Boston, Massachusetts 02125, United States
| | - Casandra Lyons
- Department
of Biology, University of Massachusetts
Boston, 100 Morrissey Blvd., Boston, Massachusetts 02125, United States
| | - Maria Sanchez-Purra
- Department
of Engineering, University of Massachusetts
Boston, 100 Morrissey Blvd., Boston, Massachusetts 02125, United States
| | - Charles Santamaria
- Department
of Biology, University of Massachusetts
Boston, 100 Morrissey Blvd., Boston, Massachusetts 02125, United States
| | - Brianna M. Leonardo
- Department
of Biology, University of Massachusetts
Boston, 100 Morrissey Blvd., Boston, Massachusetts 02125, United States
| | - Sara Quinn
- Department
of Biology, University of Massachusetts
Boston, 100 Morrissey Blvd., Boston, Massachusetts 02125, United States
| | - Michael F. Tlusty
- School
for the Environment, University of Massachusetts
Boston, 100 Morrissey Blvd., Boston, Massachusetts 02125 United States
| | - Michael Shiaris
- Department
of Biology, University of Massachusetts
Boston, 100 Morrissey Blvd., Boston, Massachusetts 02125, United States
- School
for the Environment, University of Massachusetts
Boston, 100 Morrissey Blvd., Boston, Massachusetts 02125 United States
| | - Kimberly Hamad-Schifferli
- Department
of Engineering, University of Massachusetts
Boston, 100 Morrissey Blvd., Boston, Massachusetts 02125, United States
- School
for the Environment, University of Massachusetts
Boston, 100 Morrissey Blvd., Boston, Massachusetts 02125 United States
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Rijal H, Goggin L, Muriph R, Evans J, Hamad-Schifferli K. The Influence of Preforming Protein Coronas on the Performance of Dengue NS1 Immunoassays. Pharmaceutics 2022; 14:2439. [PMID: 36432630 PMCID: PMC9694804 DOI: 10.3390/pharmaceutics14112439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/01/2022] [Accepted: 11/07/2022] [Indexed: 11/13/2022] Open
Abstract
The effect of preformed protein coronas on immunoassays for Dengue nonstructural protein 1 (NS1) immunoassays was investigated. The composition of the protein corona that forms around nanoparticle-antibody conjugates in human serum was characterized, and selected proteins from the corona were used for preformed coronas (human serum albumin and apolipoprotein A1). Coronas were formed and characterized by dynamic light scattering (DLS), and the nanoparticle-conjugate was probed by optical absorption spectroscopy. Immunoassays were run, and performance was quantified by analyzing the strip intensity as a function of NS1 concentration. The preformed coronas influenced the limit of detection (LOD) of the assay and the affinity for the NS1 target (KD). The resulting KD and LODs for the NP-Ab-ApoA1 immunoprobes were 0.83 nM and 1.24 nM, respectively. For the NP-Ab -HSA coronas, the test line intensity was lower by 33% at a given NS1 concentration than for the NP-Ab immunoprobes, and KD was 0.14 nM, a slightly higher affinity. Due to the relatively large error of the negative control, a meaningful LOD for the NP-Ab with HSA coronas could not be determined.
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Affiliation(s)
- Hom Rijal
- Department of Chemistry, University of Massachusetts Boston, Boston, MA 02125, USA
| | - Laura Goggin
- Department of Chemistry, University of Massachusetts Boston, Boston, MA 02125, USA
| | - Rachel Muriph
- Department of Chemistry, University of Massachusetts Boston, Boston, MA 02125, USA
| | - Jason Evans
- Department of Chemistry, University of Massachusetts Boston, Boston, MA 02125, USA
| | - Kimberly Hamad-Schifferli
- Department of Engineering, University of Massachusetts Boston, Boston, MA 02125, USA
- School for the Environment, University of Massachusetts Boston, Boston, MA 02125, USA
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Nature-inspired nanozymes as signal markers for in-situ signal amplification strategy: A portable dual-colorimetric immunochromatographic analysis based on smartphone. Biosens Bioelectron 2022; 210:114289. [DOI: 10.1016/j.bios.2022.114289] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 03/10/2022] [Accepted: 04/14/2022] [Indexed: 02/02/2023]
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Hristov DR, Gomez-Marquez J, Wade D, Hamad-Schifferli K. SARS-CoV-2 and approaches for a testing and diagnostic strategy. J Mater Chem B 2021; 9:8157-8173. [PMID: 34494642 DOI: 10.1039/d1tb00674f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The COVID-19 pandemic has led to an unprecedented global health challenge, creating sudden, massive demands for diagnostic testing, treatment, therapies, and vaccines. In particular, the development of diagnostic assays for SARS-CoV-2 has been pursued as they are needed for quarantine, disease surveillance, and patient treatment. One of the major lessons the pandemic highlighted was the need for fast, cheap, scalable and reliable diagnostic methods, such as paper-based assays. Furthermore, it has previously been suggested that paper-based tests may be more suitable for settings with lower resource availability and may help alleviate some supply chain challenges which arose during the COVID-19 pandemic. Therefore, we explore how such devices may fit in a comprehensive diagnostic strategy and how some of the challenges to the technology, e.g. low sensitivity, may be addressed. We discuss the properties of the SARS-CoV-2 virus itself, the COVID-19 disease pathway, and the immune response. We then describe the different diagnostic strategies that have been pursued, focusing on molecular strategies for viral genetic material, antigen tests, and serological assays, and innovations for improving the diagnostic sensitivity and capabilities. Finally, we discuss pressing issues for the future, and what needs to be addressed for the ongoing pandemic and future outbreaks.
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Affiliation(s)
- Delyan R Hristov
- Department of Engineering, University of Massachusetts Boston, Boston, MA, USA.
| | - Jose Gomez-Marquez
- Little Devices Lab, Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Djibril Wade
- iLEAD (Innovation in Laboratory Engineered Accelerated Diagnostics), Institut de Recherche en Santé, de Surveillance Epidémiologique et de Formations (IRESSEF), Dakar, Senegal
| | - Kimberly Hamad-Schifferli
- Department of Engineering, University of Massachusetts Boston, Boston, MA, USA. .,School for the Environment, University of Massachusetts Boston, Boston, MA, USA
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Hristov D, Rijal H, Gomez-Marquez J, Hamad-Schifferli K. Developing a Paper-Based Antigen Assay to Differentiate between Coronaviruses and SARS-CoV-2 Spike Variants. Anal Chem 2021; 93:7825-7832. [PMID: 34037382 PMCID: PMC8171108 DOI: 10.1021/acs.analchem.0c05438] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Accepted: 05/14/2021] [Indexed: 02/07/2023]
Abstract
COVID-19 first appeared in December of 2019 in Wuhan, China. Since then, it has become a global pandemic. A robust and scalable diagnostics strategy is crucial for containing and monitoring the pandemic. RT-PCR is a known, reliable method for COVID-19 diagnostics, which can differentiate between SARS-CoV-2 and other viruses. However, PCR is location-dependent, time-consuming, and relatively expensive. Thus, there is a need for a more flexible method, which may be produced in an off-the-shelf format and distributed more widely. Paper-based immunoassays can fulfill this function. Here, we present the first steps toward a paper-based test, which can differentiate between different spike proteins of various coronaviruses, SARS-CoV-1, SARS-CoV-2, and CoV-HKU1, with negligible cross-reactivity for HCoV-OC43 and HCoV-229E in a single assay, which takes less than 30 min. Furthermore, our test can distinguish between fractions of the same spike protein. This is done by an altered assay design with four test line locations where each antigen builds a unique, identifiable binding pattern. The effect of several factors, such as running media, immunoprobe concentration, and antigen interference, is considered. We find that running media has a significant effect on the final binding pattern where human saliva provides results while human serum leads to the lowest signal quality.
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Affiliation(s)
- Delyan Hristov
- Department
of Engineering, University of Massachusetts
Boston, Boston, Massachusetts 02125, United States
| | - Hom Rijal
- Department
of Chemistry, University of Massachusetts
Boston, Boston, Massachusetts 02125, United States
| | - Jose Gomez-Marquez
- Little
Devices Lab, Massachusetts Institute of
Technology, Cambridge, Massachusetts 02139, United States
| | - Kimberly Hamad-Schifferli
- Department
of Engineering, University of Massachusetts
Boston, Boston, Massachusetts 02125, United States
- School
for the Environment, University of Massachusetts
Boston, Boston, Massachusetts 02125, United States
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Bu T, Zhao S, Bai F, Sun X, He K, Wang Q, Jia P, Tian Y, Zhang M, Wang L. Diverse Dyes-Embedded Staphylococcus aureus as Potential Biocarriers for Enhancing Sensitivity in Biosensing. Anal Chem 2021; 93:6731-6738. [PMID: 33877823 DOI: 10.1021/acs.analchem.1c00346] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Nanomaterials-based immunochromatographic assays (ICAs) have gained great commercial success in real-life point-of-care testing (POCT). Exploring novel carriers of ICAs with improved signaling and sustained activity favors the development of sensitive POCT. Herein a potent signal biotag, colored Staphylococcus aureus (SA), was created for ICA carriers through a mild self-assembly strategy, providing high luminance and abundant specific binding sites for immobilization of monoclonal antibodies (mAbs). The biocompatible SA-dyes (SADs) retained both an intact surface structure for mAbs labeling (Fc portion) and the superior bioactivity of immobilized mAbs (affinity constant was about 109 M-1), thus waiving the intrinsic limitations of traditional nanomaterials and endowing high sensitivity. Proof-of-concept was demonstrated by employing Congo red- or/and fluorescein isothiocyanate-embedded SA (SACR, SAFITC, and SACR-SAFITC) as ICA carriers to detect zearalenone (ZEN) through colorimetric or/and fluorimetric signals. Furthermore, the ICAs satisfied the clinical requirement perfectly, including limit of detection (0.013 ng/mL, which was at least an 85-fold improvement over that of traditional gold nanoparticles-based ICA), linearity (R2 > 0.98), reproducibility (RSD < 8%), selectivity, and stability. Importantly, the proposed biosensors could be well-applied in four real samples for ZEN monitoring with satisfactory recoveries, correlating well with the results from liquid chromatography-tandem mass spectrometry (LC-MS). This work also proved a universal design for tailoring coloration bands for SAD-ICA detection of multiple analytes.
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Affiliation(s)
- Tong Bu
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Shuang Zhao
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Feier Bai
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Xinyu Sun
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Kunyi He
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Qinzhi Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Pei Jia
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Yongming Tian
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Meng Zhang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
| | - Li Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling 712100, Shaanxi, China
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