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Boselli L, Castagnola V, Armirotti A, Benfenati F, Pompa PP. Biomolecular Corona of Gold Nanoparticles: The Urgent Need for Strong Roots to Grow Strong Branches. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2306474. [PMID: 38085683 DOI: 10.1002/smll.202306474] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2023] [Revised: 10/20/2023] [Indexed: 04/13/2024]
Abstract
Gold nanoparticles (GNPs) are largely employed in diagnostics/biosensors and are among the most investigated nanomaterials in biology/medicine. However, few GNP-based nanoformulations have received FDA approval to date, and promising in vitro studies have failed to translate to in vivo efficacy. One key factor is that biological fluids contain high concentrations of proteins, lipids, sugars, and metabolites, which can adsorb/interact with the GNP's surface, forming a layer called biomolecular corona (BMC). The BMC can mask prepared functionalities and target moieties, creating new surface chemistry and determining GNPs' biological fate. Here, the current knowledge is summarized on GNP-BMCs, analyzing the factors driving these interactions and the biological consequences. A partial fingerprint of GNP-BMC analyzing common patterns of composition in the literature is extrapolated. However, a red flag is also risen concerning the current lack of data availability and regulated form of knowledge on BMC. Nanomedicine is still in its infancy, and relying on recently developed analytical and informatic tools offers an unprecedented opportunity to make a leap forward. However, a restart through robust shared protocols and data sharing is necessary to obtain "stronger roots". This will create a path to exploiting BMC for human benefit, promoting the clinical translation of biomedical nanotools.
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Affiliation(s)
- Luca Boselli
- Nanobiointeractions & Nanodiagnostics, Istituto Italiano di Tecnologia (IIT), Via Morego 30, Genova, 16163, Italy
| | - Valentina Castagnola
- Center for Synaptic Neuroscience and Technology, Istituto Italiano di Tecnologia, Largo Rosanna Benzi 10, Genova, 16132, Italy
- IRCCS Ospedale Policlinico San Martino, Largo Rosanna Benzi 10, Genova, 16132, Italy
| | - Andrea Armirotti
- Analytical Chemistry Lab, Istituto Italiano di Tecnologia, Via Morego 30, Genova, 16163, Italy
| | - Fabio Benfenati
- Center for Synaptic Neuroscience and Technology, Istituto Italiano di Tecnologia, Largo Rosanna Benzi 10, Genova, 16132, Italy
- IRCCS Ospedale Policlinico San Martino, Largo Rosanna Benzi 10, Genova, 16132, Italy
| | - Pier Paolo Pompa
- Nanobiointeractions & Nanodiagnostics, Istituto Italiano di Tecnologia (IIT), Via Morego 30, Genova, 16163, Italy
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2
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Augustine S, Chinnamani MV, Mun CW, Shin JY, Trung TQ, Hong SJ, Huyen LTN, Lee EH, Lee SH, Rha JJ, Jung S, Lee Y, Park SG, Lee NE. Metal-enhanced fluorescence biosensor integrated in capillary flow-driven microfluidic cartridge for highly sensitive immunoassays. Biosens Bioelectron 2024; 248:115987. [PMID: 38176256 DOI: 10.1016/j.bios.2023.115987] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Revised: 12/17/2023] [Accepted: 12/27/2023] [Indexed: 01/06/2024]
Abstract
Point-of-care testing (POCT) for low-concentration protein biomarkers remains challenging due to limitations in biosensor sensitivity and platform integration. This study addresses this gap by presenting a novel approach that integrates a metal-enhanced fluorescence (MEF) biosensor within a capillary flow-driven microfluidic cartridge (CFMC) for the ultrasensitive detection of the Parkinson's disease biomarker, aminoacyl-tRNA synthetase complex interacting multi-functional protein 2 (AIMP-2). Crucial point to this approach is the orientation-controlled immobilization of capture antibody on a nanodimple-structured MEF substrate within the CFMC. This strategy significantly enhances fluorescence signals without quenching, enabling accurate quantification of low-concentration AIMP-2 using a simple digital fluorescence microscope with a light-emitting diode excitation source and a digital camera. The resulting platform exhibits exceptional sensitivity, achieving a limit of detection in the pg/mL range for AIMP-2 in human serum. Additionally, the CFMC design incorporates a capillary-driven passive sample transport mechanism, eliminating the need for external pumps and further simplifying the detection process. Overall, this work demonstrates the successful integration of MEF biosensing with capillary microfluidics for point-of-care applications.
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Affiliation(s)
- Shine Augustine
- School of Advanced Materials Science & Engineering, Sungkyunkwan University, Suwon, Gyeonggi-do, 16419, Republic of Korea
| | - Mottour Vinayagam Chinnamani
- School of Advanced Materials Science & Engineering, Sungkyunkwan University, Suwon, Gyeonggi-do, 16419, Republic of Korea
| | - Chae Won Mun
- Nano-Bio Convergence Department, Korea Institute of Materials Science (KIMS), Changwon, 51508, Republic of Korea
| | - Jeong-Yong Shin
- Division of Pharmacology, Department of Molecular Cell Biology, Samsung, Biomedical Research Institute, Sungkyunkwan University School of Medicine, Suwon, Gyeonggi-do, 16419, Republic of Korea
| | - Tran Quang Trung
- School of Advanced Materials Science & Engineering, Sungkyunkwan University, Suwon, Gyeonggi-do, 16419, Republic of Korea
| | - Seok Ju Hong
- School of Advanced Materials Science & Engineering, Sungkyunkwan University, Suwon, Gyeonggi-do, 16419, Republic of Korea
| | - Lai Thi Ngoc Huyen
- School of Advanced Materials Science & Engineering, Sungkyunkwan University, Suwon, Gyeonggi-do, 16419, Republic of Korea
| | - Eung Hyuk Lee
- SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon, Gyeonggi-do, 16419, Republic of Korea
| | - Soo Hyun Lee
- Nano-Bio Convergence Department, Korea Institute of Materials Science (KIMS), Changwon, 51508, Republic of Korea
| | - Jong-Joo Rha
- Nano-Bio Convergence Department, Korea Institute of Materials Science (KIMS), Changwon, 51508, Republic of Korea
| | - Sunghoon Jung
- Nano-Bio Convergence Department, Korea Institute of Materials Science (KIMS), Changwon, 51508, Republic of Korea
| | - Yunjong Lee
- Division of Pharmacology, Department of Molecular Cell Biology, Samsung, Biomedical Research Institute, Sungkyunkwan University School of Medicine, Suwon, Gyeonggi-do, 16419, Republic of Korea
| | - Sung-Gyu Park
- Nano-Bio Convergence Department, Korea Institute of Materials Science (KIMS), Changwon, 51508, Republic of Korea.
| | - Nae-Eung Lee
- School of Advanced Materials Science & Engineering, Sungkyunkwan University, Suwon, Gyeonggi-do, 16419, Republic of Korea; SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon, Gyeonggi-do, 16419, Republic of Korea; Samsung Advanced Institute for Health Sciences & Technology (SAIHST), Sungkyunkwan University, Suwon, Gyeonggi-do, 16419, Republic of Korea; Institute of Quantum Biophysics (IQB), Sungkyunkwan University, Suwon, Gyeonggi-do, 16419, Republic of Korea; Biomedical Institute for Convergence at SKKU (BICS), Sungkyunkwa n University, Suwon, Gyeonggi-do, 16419, Republic of Korea.
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3
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Fan L, Yan W, Chen Q, Tan F, Tang Y, Han H, Yu R, Xie N, Gao S, Chen W, Chen Z, Zhang P. One-Component Dual-Readout Aggregation-Induced Emission Nanobeads for Qualitative and Quantitative Detection of C-Reactive Protein at the Point of Care. Anal Chem 2024; 96:401-408. [PMID: 38134291 DOI: 10.1021/acs.analchem.3c04441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2023]
Abstract
Fluorescent lateral flow immunoassay (LFA) systems are versatile tools for sensitive and quantitative detection of disease markers at the point of care. However, traditional fluorescent nanoparticle-based lateral flow immunoassays are not visible under room light, necessitate an additional fluorescent reader, and lack flexibility for different application scenarios. Herein, we report a dual-readout LFA system for the rapid and sensitive detection of C-reactive protein (CRP) in clinical samples. The system relied on the aggregation-induced emission nanobeads (AIENBs) encapsulated with red AIE luminogen, which possesses both highly fluorescent and colorimetric properties. The AIENB-based LFA in the naked-eye mode was able to qualitatively detect CRP levels as low as 8.0 mg/L, while in the fluorescent mode, it was able to quantitatively measure high-sensitivity CRP (hs-CRP) with a limit of detection of 0.16 mg/L. The AIENB-based LFA system also showed a good correlation with the clinically used immunoturbidimetric method for CRP and hs-CRP detection in human plasma. This dual-modal AIENB-based LFA system offers the convenience of colorimetric testing and highly sensitive and quantitative detection of disease biomarkers and medical diagnostics in various scenarios.
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Affiliation(s)
- Lingzhi Fan
- Department of Central Laboratory, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai 200443, China
| | - Wannian Yan
- Department of Central Laboratory, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai 200443, China
| | - Qilong Chen
- Department of Central Laboratory, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai 200443, China
| | - Fei Tan
- Department of Central Laboratory, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai 200443, China
| | - Yijie Tang
- Department of Central Laboratory, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai 200443, China
| | - Huanxing Han
- Department of Pharmacy, Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Rujia Yu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Ni Xie
- AUISET Biotechnology Co., Ltd., Kwai Chung, New Territories, Hong Kong S.A.R. 000000, China
- AIEgen Biotech Co., Ltd., 28 Yee Wo Street, Causeway Bay, Hong Kong S.A.R. 000000, China
| | - Shouhong Gao
- Department of Pharmacy, Changzheng Hospital, Naval Medical University, Shanghai 200003, China
| | - Wansheng Chen
- Department of Pharmacy, Changzheng Hospital, Naval Medical University, Shanghai 200003, China
- The SATCM Key Laboratory for New Resources & Quality Evaluation of Chinese Medicine, Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Zhongjian Chen
- Department of Central Laboratory, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai 200443, China
- Shanghai Engineering Research Center for External Chinese Medicine, Shanghai 200433, China
| | - Pengfei Zhang
- Department of Central Laboratory, Shanghai Skin Disease Hospital, School of Medicine, Tongji University, Shanghai 200443, China
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Hamad-Schifferli K. Applications of Gold Nanoparticles in Plasmonic and Nanophotonic Biosensing. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2024; 187:185-221. [PMID: 38273208 PMCID: PMC11182655 DOI: 10.1007/10_2023_237] [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] [Indexed: 01/27/2024]
Abstract
The unique properties of plasmonic nanoparticles and nanostructures have enabled a broad range of applications in a diverse set of fields, ranging from biological sensing, cancer therapy, to catalysis. They have been some of the most studied nanomaterials due in part to their chemical stability and biocompatibility as well as supporting theoretical efforts. The synthesis and fabrication of plasmonic nanoparticles and nanostructures have now reached high precision and sophistication. We review here their fundamental optical properties, discuss their tailoring for biological environments, and then detail examples on how they have been used to innovate in the biological and biomedical fields.
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Affiliation(s)
- Kimberly Hamad-Schifferli
- Department of Engineering, School for the Environment, University of Massachusetts Boston, Boston, MA, USA.
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5
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Vloemans D, Van Hileghem L, Ordutowski H, Dal Dosso F, Spasic D, Lammertyn J. Self-Powered Microfluidics for Point-of-Care Solutions: From Sampling to Detection of Proteins and Nucleic Acids. Methods Mol Biol 2024; 2804:3-50. [PMID: 38753138 DOI: 10.1007/978-1-0716-3850-7_1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/21/2024]
Abstract
Self-powered microfluidics presents a revolutionary approach to address the challenges of healthcare in decentralized and point-of-care settings where limited access to resources and infrastructure prevails or rapid clinical decision-making is critical. These microfluidic systems exploit physical and chemical phenomena, such as capillary forces and surface tension, to manipulate tiny volumes of fluids without the need for external power sources, making them cost-effective and highly portable. Recent technological advancements have demonstrated the ability to preprogram complex multistep liquid operations within the microfluidic circuit of these standalone systems, which enabled the integration of sensitive detection and readout principles. This chapter first addresses how the accessibility to in vitro diagnostics can be improved by shifting toward decentralized approaches like remote microsampling and point-of-care testing. Next, the crucial role of self-powered microfluidic technologies to enable this patient-centric healthcare transition is emphasized using various state-of-the-art examples, with a primary focus on applications related to biofluid collection and the detection of either proteins or nucleic acids. This chapter concludes with a summary of the main findings and our vision of the future perspectives in the field of self-powered microfluidic technologies and their use for in vitro diagnostics applications.
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Affiliation(s)
- Dries Vloemans
- Department of Biosystems - Biosensors Group, KU Leuven, Leuven, Belgium
| | | | - Henry Ordutowski
- Department of Biosystems - Biosensors Group, KU Leuven, Leuven, Belgium
| | | | - Dragana Spasic
- Department of Biosystems - Biosensors Group, KU Leuven, Leuven, Belgium
| | - Jeroen Lammertyn
- Department of Biosystems - Biosensors Group, KU Leuven, Leuven, Belgium.
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Nguyen MD, Nguyen KN, Malo S, Banerjee I, Wu D, Du-Thumm L, Dauphin-Ducharme P. Electrochemical Aptamer-Based Biosensors for Measurements in Undiluted Human Saliva. ACS Sens 2023; 8:4625-4635. [PMID: 37992319 DOI: 10.1021/acssensors.3c01624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2023]
Abstract
Although blood remains a gold standard diagnostic fluid for most health exams, it involves an unpleasant and relatively invasive sampling procedure (finger pricking or venous draw). Saliva contains many relevant and useful biomarkers for diagnostic purposes, and its collection, in contrast, is noninvasive and can be obtained with minimal effort. Current saliva analyses are, however, achieved using chromatography or lateral flow assays, which, despite their high accuracy and sensitivity, can demand expensive laboratory-based instruments operated by trained personnel or offer only semiquantitative results. In response, we investigated electrochemical aptamer-based (E-AB) biosensors, a reagentless sensing platform, to allow for continuous and real-time measurements directly in undiluted, unstimulated human whole saliva. As a proof-of-concept study, we developed E-AB biosensors capable of detecting low-molecular-weight analytes (glucose and adenosine monophosphate (AMP)). To our knowledge, we report the first E-AB sensor for glucose, an approach that is inherently independent of its chemical reactivity in contrast to home glucometers. For these three sensors, we evaluated their figures of merits, stability, and reusability over short- and long-term exposure directly in saliva. In doing so, we found that E-AB sensors allow rapid and convenient molecular measurements in whole saliva with unprecedented sensitivities in the pico- to nanomolar regime and could be regenerated and reused up to 7 days when washed and stored in phosphate-buffered saline at room temperature. We envision that salivary molecular measurements using E-AB sensors are a promising alternative to invasive techniques and can be used for improved point-of-care clinical diagnosis and at-home measurements.
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Affiliation(s)
- Minh-Dat Nguyen
- Département de chimie, Université de Sherbrooke, Sherbrooke, Québec J1K 2R1, Canada
| | - Khoa-Nam Nguyen
- Département de chimie, Université de Sherbrooke, Sherbrooke, Québec J1K 2R1, Canada
| | - Samuel Malo
- Département de chimie, Université de Sherbrooke, Sherbrooke, Québec J1K 2R1, Canada
| | - Indrani Banerjee
- Colgate, Research and Development Center, Piscataway, New Jersey 08854, United States
| | - Donghui Wu
- Colgate, Research and Development Center, Piscataway, New Jersey 08854, United States
| | - Laurence Du-Thumm
- Colgate, Research and Development Center, Piscataway, New Jersey 08854, United States
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7
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Tong L, Li D, Huang M, Huang L, Wang J. Gold-Silver Alloy Nanoparticle-Incorporated Pitaya-Type Silica Nanohybrids for Sensitive Competitive Lateral Flow Immunoassay. Anal Chem 2023; 95:17318-17327. [PMID: 37967331 DOI: 10.1021/acs.analchem.3c03569] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2023]
Abstract
Although the competitive lateral flow immunoassay (CLFIA) using gold nanoparticles (AuNPs) as labels has been widely adopted for the rapid detection of small molecules, its sensitivity is often constrained by the insufficient colorimetric signal produced by conventional AuNPs labels. Herein, we introduce a new type of intensified colorimetric label, denoted as SAAS, which is engineered by integrating gold-silver alloy nanoparticles (Au-Ag NPs) within a dendritic silica scaffold. These pitaya-type silica nanohybrids combine the advantages of the amplified molar extinction coefficient of alloy units with the signal collective effect of numerous Au-Ag NPs in a singular label. The SAAS-based CLFIA strips not only achieve qualitative screening of aflatoxin B1 (AFB1) at an extraordinarily low concentration of 0.2 ng/mL by the naked eye but also enable precise AFB1 quantification through a smartphone, with a remarkable limit of detection of 0.00314 ng/mL. Moreover, by leveraging SAAS as a quencher, we have delved into transforming the conventional signal-off mode of competitive immunoassay into a signal-on configuration. This innovation led to the development of a fluorescent LFIA that augments interpretative precision and sensitivity. Our study demonstrates the substantial potential of the proposed nanohybrid labels in enhancing the sensitivity of CLFIA for detecting small molecules.
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Affiliation(s)
- Lu Tong
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Daquan Li
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Mei Huang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Liang Huang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
| | - Jing Wang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, P. R. China
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8
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Brannetti S, Gentile S, Chamorro-Garcia A, Barbero L, Del Grosso E, Ricci F. Decorated DNA-Based Scaffolds as Lateral Flow Biosensors. Angew Chem Int Ed Engl 2023; 62:e202313243. [PMID: 37804080 DOI: 10.1002/anie.202313243] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 10/03/2023] [Accepted: 10/06/2023] [Indexed: 10/08/2023]
Abstract
Here we develop Lateral Flow Assays (LFAs) that employ as functional elements DNA-based structures decorated with reporter tags and recognition elements. We have rationally re-engineered tile-based DNA tubular structures that can act as scaffolds and can be decorated with recognition elements of different nature (i.e. antigens, aptamers or proteins) and with orthogonal fluorescent dyes. As a proof-of-principle we have developed sandwich and competitive multiplex lateral flow platforms for the detection of several targets, ranging from small molecules (digoxigenin, Dig and dinitrophenol, DNP), to antibodies (Anti-Dig, Anti-DNP and Anti-MUC1/EGFR bispecific antibodies) and proteins (thrombin). Coupling the advantages of functional DNA-based scaffolds together with the simplicity of LFAs, our approach offers the opportunity to detect a wide range of targets with nanomolar sensitivity and high specificity.
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Affiliation(s)
- Simone Brannetti
- Department of Chemical Sciences and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133, Rome, Italy
| | - Serena Gentile
- Department of Chemical Sciences and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133, Rome, Italy
| | - Alejandro Chamorro-Garcia
- Department of Chemical Sciences and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133, Rome, Italy
| | - Luca Barbero
- RBM-Merck an affiliate of Merck KGaA, Via Ribes 1, 10010, Turin, Italy
| | - Erica Del Grosso
- Department of Chemical Sciences and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133, Rome, Italy
| | - Francesco Ricci
- Department of Chemical Sciences and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133, Rome, Italy
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9
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Mousseau F, Féraudet Tarisse C, Simon S, Gacoin T, Alexandrou A, Bouzigues CI. Multititration: The New Method for Implementing Ultrasensitive and Quantitative Multiplexed In-Field Immunoassays Despite Cross-Reactivity? Anal Chem 2023; 95:13509-13518. [PMID: 37639578 DOI: 10.1021/acs.analchem.3c01846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
The accurate in-field titration of multiple pathogens is essential to efficiently describe and monitor environmental or biological contamination, isolate, act, and treat adequately. This underscores the requirement of portable, fast, quantitative, and multiplexed detection technologies, which, however, have not been properly developed so far, notably because it has been hindered by the phenomenon of cross-reactivity. In this work, we proposed a new analytical method based on the imaging through a portable device of lanthanide-based nanoparticles (YVO4:Eu) for spatially multiplexed detection, relying on a multiparameter analysis, i.e., a simultaneous analysis of all of the luminescence signals through the comparison to a calibration surface built in the presence of multiple analytes of interest. We then demonstrated the possibility to simultaneously quantify by multiplexed lateral flow assay (xLFA) the three enterotoxins SEG, SEH, and SEI in unknown mixtures, over two concentration decades (from a dozen of pg·mL-1 to few ng·mL-1). Assays were performed in less than an hour (25 min of strip migration followed by 30 min of drying at room temperature), the time during which the presence of the operator was not required for more than 5 min, in order to dip the strip and have it imaged by the reader. The concepts of nominal concentration recovery, coefficient of variation (CV), limit of blank (LOB), and limit of detection (LOD) were discussed in detail in the context of multiplexed assays. With our new definitions, quantitative results demonstrated a high recovery of the nominal concentrations (115%), reliability (CV = 20%), and sensitivity (LOBs of 3, 27, and 6 pg·mL-1 for SEG, SEH, and SEI respectively, and LODs of 6, 48, and 11 pg·mL-1 for SEG, SEH, and SEI, respectively). Based on this method, we observed an increase in sensitivity of 100 compared to the other multiplexed LFA labeled with gold particles and we approached the sensitivity of the simplex enzyme-linked immunosorbent assay (ELISA) performed with the same capture and detection antibodies. To conclude, our results, which are applicable to virtually any kind of multiplexed test, pave the way to the next generation of in-field analytical immunoassays by providing fast, quantitative, and highly sensitive multiplexed detection of biomarkers or pathogens.
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Affiliation(s)
- Fanny Mousseau
- Laboratoire d'Optique et Biosciences, Ecole Polytechnique, Institut Polytechnique de Paris, CNRS, INSERM, Route de Saclay, 91128 Palaiseau, France
| | - Cécile Féraudet Tarisse
- Département Médicaments et Technologies pour la Santé (DMTS), Université Paris-Saclay, CEA, INRAE, 91191 Gif-sur-Yvette, France
| | - Stéphanie Simon
- Département Médicaments et Technologies pour la Santé (DMTS), Université Paris-Saclay, CEA, INRAE, 91191 Gif-sur-Yvette, France
| | - Thierry Gacoin
- Laboratoire de Physique de la Matière Condensée, Ecole Polytechnique, Institut Polytechnique de Paris, CNRS, Route de Saclay, 91128 Palaiseau, France
| | - Antigoni Alexandrou
- Laboratoire d'Optique et Biosciences, Ecole Polytechnique, Institut Polytechnique de Paris, CNRS, INSERM, Route de Saclay, 91128 Palaiseau, France
| | - Cédric Ismael Bouzigues
- Laboratoire d'Optique et Biosciences, Ecole Polytechnique, Institut Polytechnique de Paris, CNRS, INSERM, Route de Saclay, 91128 Palaiseau, France
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10
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Chung T, Wang H, Cai H. Dielectric metasurfaces for next-generation optical biosensing: a comparison with plasmonic sensing. NANOTECHNOLOGY 2023; 34:10.1088/1361-6528/ace117. [PMID: 37352839 PMCID: PMC10416613 DOI: 10.1088/1361-6528/ace117] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 06/22/2023] [Indexed: 06/25/2023]
Abstract
In the past decades, nanophotonic biosensors have been extended from the extensively studied plasmonic platforms to dielectric metasurfaces. Instead of plasmonic resonance, dielectric metasurfaces are based on Mie resonance, and provide comparable sensitivity with superior resonance bandwidth, Q factor, and figure-of-merit. Although the plasmonic photothermal effect is beneficial in many biomedical applications, it is a fundamental limitation for biosensing. Dielectric metasurfaces solve the ohmic loss and heating problems, providing better repeatability, stability, and biocompatibility. We review the high-Q resonances based on various physical phenomena tailored by meta-atom geometric designs, and compare dielectric and plasmonic metasurfaces in refractometric, surface-enhanced, and chiral sensing for various biomedical and diagnostic applications. Departing from conventional spectral shift measurement using spectrometers, imaging-based and spectrometer-less biosensing are highlighted, including single-wavelength refractometric barcoding, surface-enhanced molecular fingerprinting, and integrated visual reporting. These unique modalities enabled by dielectric metasurfaces point to two important research directions. On the one hand, hyperspectral imaging provides massive information for smart data processing, which not only achieve better biomolecular sensing performance than conventional ensemble averaging, but also enable real-time monitoring of cellular or microbial behaviour in physiological conditions. On the other hand, a single metasurface can integrate both functions of sensing and optical output engineering, using single-wavelength or broadband light sources, which provides simple, fast, compact, and cost-effective solutions. Finally, we provide perspectives in future development on metasurface nanofabrication, functionalization, material, configuration, and integration, towards next-generation optical biosensing for ultra-sensitive, portable/wearable, lab-on-a-chip, point-of-care, multiplexed, and scalable applications.
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Affiliation(s)
- Taerin Chung
- Tech4Health Institute, New York University Langone Health, New York, NY 10016, United States of America
- Department of Radiology, New York University Langone Health, New York, NY 10016, United States of America
| | - Hao Wang
- Tech4Health Institute, New York University Langone Health, New York, NY 10016, United States of America
- Department of Radiology, New York University Langone Health, New York, NY 10016, United States of America
| | - Haogang Cai
- Tech4Health Institute, New York University Langone Health, New York, NY 10016, United States of America
- Department of Radiology, New York University Langone Health, New York, NY 10016, United States of America
- Department of Biomedical Engineering, New York University, Brooklyn, NY 11201, United States of America
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11
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Biswas R, Dudani H, Lakhera P, Pal AK, Kurbah P, Bhatia D, Dhok A, Kashyap RS. Challenges and future solutions for detection of Clostridioides difficile in adults. Ann Gastroenterol 2023; 36:369-377. [PMID: 37396008 PMCID: PMC10304531 DOI: 10.20524/aog.2023.0802] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 02/17/2023] [Indexed: 07/04/2023] Open
Abstract
There are no established standards for the diagnosis of Clostridioides difficile infection (CDI), even though the importance of this infection in humans is well known. The effectiveness of the commercially available techniques, which are all standardized for use with human feces, is also limited in terms of the accuracy of the tests. Furthermore, the current approach lacks a point-of-care diagnosis with an acceptable range of sensitivity and specificity. This article reviews the challenges and possible future solutions for the detection of CDI in adults. Existing diagnostic methods, such as enzyme-linked immunoassays and microbial culturing for the detection of toxins A and B, appear to work poorly in samples but exhibit great sensitivity for glutamate dehydrogenase. Real-time polymerase chain reaction and nucleic acid amplification tests have been investigated in a few studies on human samples, but so far have shown poor turnaround times. Thus, developing a multiplex point-of-care test assay with high sensitivity and specificity is required as a bedside approach for diagnosing this emerging infection.
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Affiliation(s)
- Rima Biswas
- Research Laboratory, Dr. G.M. Taori Central India Institute of Medical Sciences, Nagpur (Rima Biswas, Hemanshi Dudani, Rajpal Singh Kashyap)
| | - Hemanshi Dudani
- Research Laboratory, Dr. G.M. Taori Central India Institute of Medical Sciences, Nagpur (Rima Biswas, Hemanshi Dudani, Rajpal Singh Kashyap)
| | - Praveen Lakhera
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, Uttar Pradesh and CSIR-Central Scientific Instruments Organization, Chandigarh (Praveen Lakhera)
| | - Arun Kumar Pal
- Department of Molecular and Cellular Engineering, Sam Higginbottom University of Agriculture, Technology, and Sciences, Prayagraj (Arun Kumar Pal)
| | - Phibalari Kurbah
- Department of Biomedical Engineering, North Eastern Hill University, Shillong, Meghalaya (Phibalari Kurbah, Dinesh Bhatia)
| | - Dinesh Bhatia
- Department of Biomedical Engineering, North Eastern Hill University, Shillong, Meghalaya (Phibalari Kurbah, Dinesh Bhatia)
| | - Archana Dhok
- Department of Biochemistry, Datta Meghe Institute of Medical Sciences, Sawangi (Archana Dhok), India
| | - Rajpal Singh Kashyap
- Research Laboratory, Dr. G.M. Taori Central India Institute of Medical Sciences, Nagpur (Rima Biswas, Hemanshi Dudani, Rajpal Singh Kashyap)
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12
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Burrow DT, Heggestad JT, Kinnamon DS, Chilkoti A. Engineering Innovative Interfaces for Point-of-Care Diagnostics. Curr Opin Colloid Interface Sci 2023; 66:101718. [PMID: 37359425 PMCID: PMC10247612 DOI: 10.1016/j.cocis.2023.101718] [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: 04/28/2023] [Revised: 05/31/2023] [Accepted: 06/05/2023] [Indexed: 06/28/2023]
Abstract
The ongoing Coronavirus disease 2019 (COVID-19) pandemic illustrates the need for sensitive and reliable tools to diagnose and monitor diseases. Traditional diagnostic approaches rely on centralized laboratory tests that result in long wait times to results and reduce the number of tests that can be given. Point-of-care tests (POCTs) are a group of technologies that miniaturize clinical assays into portable form factors that can be run both in clinical areas --in place of traditional tests-- and outside of traditional clinical settings --to enable new testing paradigms. Hallmark examples of POCTs are the pregnancy test lateral flow assay and the blood glucose meter. Other uses for POCTs include diagnostic assays for diseases like COVID-19, HIV, and malaria but despite some successes, there are still unsolved challenges for fully translating these lower cost and more versatile solutions. To overcome these challenges, researchers have exploited innovations in colloid and interface science to develop various designs of POCTs for clinical applications. Herein, we provide a review of recent advancements in lateral flow assays, other paper based POCTs, protein microarray assays, microbead flow assays, and nucleic acid amplification assays. Features that are desirable to integrate into future POCTs, including simplified sample collection, end-to-end connectivity, and machine learning, are also discussed in this review.
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Affiliation(s)
- Damon T Burrow
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University, Durham, NC 27708 USA
| | - Jacob T Heggestad
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University, Durham, NC 27708 USA
| | - David S Kinnamon
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University, Durham, NC 27708 USA
| | - Ashutosh Chilkoti
- Department of Biomedical Engineering, Pratt School of Engineering, Duke University, Durham, NC 27708 USA
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13
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Chen X, Yuan W, Yang X, Shi Y, Zeng X, Huang J, Wang Y, Li S. Ultrasensitive and Specific Identification of Monkeypox Virus Congo Basin and West African Strains Using a CRISPR/Cas12b-Based Platform. Microbiol Spectr 2023; 11:e0403522. [PMID: 36821485 PMCID: PMC10100855 DOI: 10.1128/spectrum.04035-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 01/29/2023] [Indexed: 02/24/2023] Open
Abstract
Human monkeypox (MPX) is a severe and reemerging infectious disease caused by monkeypox virus (MPXV) and forms two distinct lineages, including Congo Basin and West African clades. Due to the absence of specific vaccines and antiviral drugs, developing a point-of-care (POC) testing system to identify MPXV is critical for preventing and controlling MPX transmission. Here, a CRISPR/Cas12b diagnostic platform was integrated with loop-mediated isothermal amplification (LAMP) to devise a novel CRISPR-MPXV approach for ultrasensitive, highly specific, rapid, and simple detection of MPXV Congo Basin and West African strains, and the detection results were interpreted with real-time fluorescence and a gold nanoparticle-based lateral flow biosensor (AuNP-LFB). The optimal detection process, including genomic DNA extraction (15 min), LAMP preamplification (35 min at 66°C), CRISPR/Cas12b-based detection (5 min at 45°C), and AuNP-LFB readout (~2 min), can be completed within 60 min without expensive instruments. Our assay has a limit of detection of 10 copies per test and produces no cross-reaction with any other types of pathogens. Hence, our CRISPR-MPXV assay exhibited considerable potential for POC testing for identifying and distinguishing MPXV Congo Basin and West African strains, especially in regions with resource shortages. IMPORTANCE Monkeypox (MPX), a reemerging zoonotic disease caused by monkeypox virus (MPXV), causes a smallpox-like disease in humans. Early diagnosis is critical to prevent MPX epidemics. Here, CRISPR/Cas12b was integrated with LAMP amplification to devise a novel CRISPR-MPXV approach to achieve highly specific, ultrasensitive, rapid, and visual identification of MPXV Congo Basin and West African strains.
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Affiliation(s)
- Xu Chen
- The Second Clinical College, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, People’s Republic of China
- Clinical Medical Laboratory of the Second Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, People’s Republic of China
| | - Wei Yuan
- Department of Quality Control, Guizhou Provincial Center for Clinical Laboratory, Guiyang, Guizhou, People’s Republic of China
| | - Xinggui Yang
- Guizhou Provincial Centre for Disease Control and Prevention, Guiyang, Guizhou, People’s Republic of China
| | - Yuanfang Shi
- The Second Clinical College, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, People’s Republic of China
| | - Xiaoyan Zeng
- The Second Clinical College, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, People’s Republic of China
- Clinical Medical Laboratory of the Second Affiliated Hospital, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, People’s Republic of China
| | - Junfei Huang
- Guizhou Provincial Centre for Disease Control and Prevention, Guiyang, Guizhou, People’s Republic of China
| | - Yi Wang
- Experimental Research Center, Capital Institute of Pediatrics, Beijing, People’s Republic of China
| | - Shijun Li
- Guizhou Provincial Centre for Disease Control and Prevention, Guiyang, Guizhou, People’s Republic of China
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14
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Rink S, Baeumner AJ. Progression of Paper-Based Point-of-Care Testing toward Being an Indispensable Diagnostic Tool in Future Healthcare. Anal Chem 2023; 95:1785-1793. [PMID: 36608282 DOI: 10.1021/acs.analchem.2c04442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Point-of-care (POC) diagnostics in particular focuses on the timely identification of harmful conditions close to the patients' needs. For future healthcare these diagnostics could be an invaluable tool especially in a digitalized or telemedicine-based system. However, while paper-based POC tests, with the most prominent example being the lateral flow assay (LFA), have been especially successful due to their simplicity and timely response, the COVID-19 pandemic highlighted their limitations, such as low sensitivity and ambiguous responses. This perspective discusses strategies that are currently being pursued to evolve such paper-based POC tests toward a superior diagnostic tool that provides high sensitivities, objective result interpretation, and multiplexing options. Here, we pinpoint the challenges with respect to (i) measurability and (ii) public applicability, exemplified with select cases. Furthermore, we highlight promising endeavors focused on (iii) increasing the sensitivity, (iv) multiplexing capability, and (v) objective evaluation to also ready the technology for integration with machine learning into digital diagnostics and telemedicine. The status quo in academic research and industry is outlined, and the likely highly relevant role of paper-based POC tests in future healthcare is suggested.
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Affiliation(s)
- Simone Rink
- Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93053 Regensburg, Germany
| | - Antje J Baeumner
- Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93053 Regensburg, Germany
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15
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Calidonio JM, Hamad-Schifferli K. Biophysical and biochemical insights in the design of immunoassays. Biochim Biophys Acta Gen Subj 2023; 1867:130266. [PMID: 36309294 PMCID: PMC11193098 DOI: 10.1016/j.bbagen.2022.130266] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 10/17/2022] [Accepted: 10/21/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND Rapid antigen assays have been attractive for decentralized, point of care diagnostics because of their low cost, robustness, and ease of use. The development of a diagnostic assay for a newly emerging infectious disease needs to take into account the progression of a disease, whether there is human to human transmission, and patient biomarker levels with time, and these all impact the choice of antigen targets and affinity agents. SCOPE OF REVIEW The factors involved in the biophysical design of rapid antigen immunoassays are discussed, focusing on antigen selection and designing for cross-reactivity. State of the art in the biophysical characterization of protein-ligand or antigen-antibody interactions, the different types of affinity agents used in immunoassays, and biochemical conjugation strategies are described. MAJOR CONCLUSIONS Antigen choice is a critical factor in immunoassay diagnostic development, and should account for the properties of the virion, virus, and disease progression. Biophysical and biochemical aspects of immunoassays are critical for performance. GENERAL SIGNIFICANCE This review can serve as an instructive guide to aid in diagnostic development for future emerging diseases.
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Affiliation(s)
| | - Kimberly Hamad-Schifferli
- Dept. of Engineering, University of Massachusetts Boston, Boston, MA, USA; School for the Environment, University of Massachusetts Boston, Boston, MA, USA.
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16
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Nanoparticle-antibody conjugate-based immunoassays for detection of CKD-associated biomarkers. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
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17
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de Puig H, Bosch I, Salcedo N, Collins JJ, Hamad-Schifferli K, Gehrke L. Multiplexed rapid antigen tests developed using multicolored nanoparticles and cross-reactive antibody pairs: Implications for pandemic preparedness. NANO TODAY 2022; 47:101669. [PMID: 36348742 PMCID: PMC9632299 DOI: 10.1016/j.nantod.2022.101669] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 10/09/2022] [Accepted: 10/27/2022] [Indexed: 06/16/2023]
Abstract
Global public health infrastructure is unprepared for emerging pathogen epidemics, in part because diagnostic tests are not developed in advance. The recent Zika, Ebola, and SARS-CoV-2 virus epidemics are cases in point. We demonstrate here that multicolored gold nanoparticles, when coupled to cross-reactive monoclonal antibody pairs generated from a single immunization regimen, can be used to create multiple diagnostics that specifically detect and distinguish related viruses. The multiplex approach for specific detection centers on immunochromatography with pairs of antibody-conjugated red and blue gold nanoparticles, coupled with clustering algorithms to detect and distinguish related pathogens. Cross-reactive antibodies were used to develop rapid tests for i) Dengue virus serotypes 1-4, ii) Zika virus, iii) Ebola and Marburg viruses, and iv) SARS-CoV and SARS-CoV-2 viruses. Multiplexed rapid antigen tests based on multicolored nanoparticles and cross-reactive antibodies and can be developed prospectively at low cost to improve preparedness for epidemic outbreaks.
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Affiliation(s)
- Helena de Puig
- Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge MA, United States
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston MA, United States
| | - Irene Bosch
- Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge MA, United States
- IDx20, Newton, MA, United States
| | | | - James J Collins
- Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge MA, United States
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston MA, United States
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge MA, United States
- Broad Institute of MIT and Harvard, Cambridge MA, United States
| | - Kimberly Hamad-Schifferli
- Department of Engineering, University of Massachusetts Boston, Boston, MA, United States
- School for the Environment, University of Massachusetts Boston, Boston, MA, United States
| | - Lee Gehrke
- Institute for Medical Engineering and Science, Massachusetts Institute of Technology, Cambridge MA, United States
- Department of Microbiology, Harvard Medical School, Boston, MA, United States
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18
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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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19
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Calidonio JM, Gomez-Marquez J, Hamad-Schifferli K. Nanomaterial and interface advances in immunoassay biosensors. THE JOURNAL OF PHYSICAL CHEMISTRY. C, NANOMATERIALS AND INTERFACES 2022; 126:17804-17815. [PMID: 38957865 PMCID: PMC11218816 DOI: 10.1021/acs.jpcc.2c05008] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2024]
Abstract
Biosensors have been used for a remarkable array of applications, including infectious diseases, environmental monitoring, cancer diagnosis, food safety, and numerous others. In particular, the global COVID-19 pandemic has exposed a need for rapid tests, so the type of biosensor that has gained considerable interest recently are immunoassays, which are used for rapid diagnostics. The performance of paper-based lateral flow and dipstick immunoassays is influenced by the physical properties of the nanoparticles (NPs), NP-antibody conjugates, and paper substrate. Many materials innovations have enhanced diagnostics by increasing sensitivity or enabling unique readouts. However, negative side effects can arise at the interface between the biological sample and biomolecules and the NP or paper substrate, such as non-specific adsorption and protein denaturation. In this Perspective, we discuss the immunoassay components and highlight chemistry and materials innovations that can improve sensitivity. We also explore the range of bio-interface issues that can present challenges for immunoassays.
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Affiliation(s)
| | | | - Kimberly Hamad-Schifferli
- Department of Engineering, University of Massachusetts Boston, Boston, MA 02125
- School for the Environment, University of Massachusetts Boston, Boston, MA 02125
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20
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Pola CC, Rangnekar SV, Sheets R, Szydlowska BM, Downing JR, Parate KW, Wallace SG, Tsai D, Hersam MC, Gomes CL, Claussen JC. Aerosol-jet-printed graphene electrochemical immunosensors for rapid and label-free detection of SARS-CoV-2 in saliva. 2D MATERIALS 2022; 9:035016. [PMID: 35785019 PMCID: PMC9245948 DOI: 10.1088/2053-1583/ac7339] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Rapid, inexpensive, and easy-to-use coronavirus disease 2019 (COVID-19) home tests are key tools in addition to vaccines in the world-wide fight to eliminate national and local shutdowns. However, currently available tests for SARS-CoV-2, the virus that causes COVID-19, are too expensive, painful, and irritating, or not sufficiently sensitive for routine, accurate home testing. Herein, we employ custom-formulated graphene inks and aerosol jet printing (AJP) to create a rapid electrochemical immunosensor for direct detection of SARS-CoV-2 Spike Receptor-Binding Domain (RBD) in saliva samples acquired non-invasively. This sensor demonstrated limits of detection that are considerably lower than most commercial SARS-CoV-2 antigen tests (22.91 ± 4.72 pg/mL for Spike RBD and 110.38 ± 9.00 pg/mL for Spike S1) as well as fast response time (~30 mins), which was facilitated by the functionalization of printed graphene electrodes in a single-step with SARS-CoV-2 polyclonal antibody through the carbodiimide reaction without the need for nanoparticle functionalization or secondary antibody or metallic nanoparticle labels. This immunosensor presents a wide linear sensing range from 1 to 1000 ng/mL and does not react with other coexisting influenza viruses such as H1N1 hemagglutinin. By combining high-yield graphene ink synthesis, automated printing, high antigen selectivity, and rapid testing capability, this work offers a promising alternative to current SARS-CoV-2 antigen tests.
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Affiliation(s)
- Cícero C. Pola
- Department of Mechanical Engineering, Iowa State University, Ames, IA 50011, USA
| | - Sonal V. Rangnekar
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60208, USA
| | - Robert Sheets
- Department of Mechanical Engineering, Iowa State University, Ames, IA 50011, USA
| | - Beata M. Szydlowska
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60208, USA
| | - Julia R. Downing
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60208, USA
| | - Kshama W. Parate
- Department of Mechanical Engineering, Iowa State University, Ames, IA 50011, USA
| | - Shay G. Wallace
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60208, USA
| | - Daphne Tsai
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60208, USA
| | - Mark C. Hersam
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60208, USA
- Department of Chemistry, Northwestern University, Evanston, IL 60208, USA
- Department of Electrical and Computer Engineering, Northwestern University, Evanston, IL 60208, USA
| | - Carmen L. Gomes
- Department of Mechanical Engineering, Iowa State University, Ames, IA 50011, USA
| | - Jonathan C. Claussen
- Department of Mechanical Engineering, Iowa State University, Ames, IA 50011, USA
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21
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Development and evaluation of a novel visual and rapid detection assay for toxigenic Fusarium graminearum in maize based on recombinase polymerase amplification and lateral flow analysis. Int J Food Microbiol 2022; 372:109682. [DOI: 10.1016/j.ijfoodmicro.2022.109682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 03/29/2022] [Accepted: 04/15/2022] [Indexed: 11/18/2022]
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22
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Zhuang H, Xu C, Gao F, Li Y, Lei C, Yu C. Recent Advances in Silica-Nanomaterial-Assisted Lateral Flow Assay. Bioengineering (Basel) 2022; 9:bioengineering9070266. [PMID: 35877318 PMCID: PMC9311751 DOI: 10.3390/bioengineering9070266] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 06/18/2022] [Accepted: 06/19/2022] [Indexed: 12/20/2022] Open
Abstract
Lateral flow assays (LFAs) have attracted much attention as rapid and affordable point-of-care devices for medical diagnostics. The global SARS-CoV-2 pandemic has further highlighted the importance of LFAs. Many efforts have been made to enhance the sensitivity of LFAs. In recent years, silica nanomaterials have been used to either amplify the signal of label materials or provide stability, resulting in better detection performance. In this review, the recent progress of silica-nanomaterial-assisted LFAs is summarized. The impact of the structure of silica nanomaterials on LFA performance, the challenges and prospects in this research area are also discussed.
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Affiliation(s)
- Han Zhuang
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia; (H.Z.); (F.G.); (Y.L.)
| | - Chun Xu
- School of Dentistry, The University of Queensland, Brisbane, QLD 4006, Australia;
| | - Fang Gao
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia; (H.Z.); (F.G.); (Y.L.)
| | - Yiwei Li
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia; (H.Z.); (F.G.); (Y.L.)
| | - Chang Lei
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia; (H.Z.); (F.G.); (Y.L.)
- Correspondence: (C.L.); (C.Y.)
| | - Chengzhong Yu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St Lucia, QLD 4072, Australia; (H.Z.); (F.G.); (Y.L.)
- Correspondence: (C.L.); (C.Y.)
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23
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Drozd M, Duszczyk A, Ivanova P, Pietrzak M. Interactions of proteins with metal-based nanoparticles from a point of view of analytical chemistry - Challenges and opportunities. Adv Colloid Interface Sci 2022; 304:102656. [PMID: 35367856 DOI: 10.1016/j.cis.2022.102656] [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: 12/29/2021] [Revised: 03/18/2022] [Accepted: 03/23/2022] [Indexed: 11/01/2022]
Abstract
Interactions of proteins with nanomaterials draw attention of many research groups interested in fundamental phenomena. However, alongside with valuable information regarding physicochemical aspects of such processes and their mechanisms, they more and more often prove to be useful from a point of view of bioanalytics. Deliberate use of processes based on adsorption of proteins on nanoparticles (or vice versa) allows for a development of new analytical methods and improvement of the existing ones. It also leads to obtaining of nanoparticles of desired properties and functionalities, which can be used as elements of analytical tools for various applications. Due to interactions with nanoparticles, proteins can also gain new functionalities or lose their interfering potential, which from perspective of bioanalytics seems to be very inviting and attractive. In the framework of this article we will discuss the bioanalytical potential of interactions of proteins with a chosen group of nanoparticles, and implementation of so driven processes for biosensing. Moreover, we will show both positive and negative (opportunities and challenges) aspects resulting from the presence of proteins in media/samples containing metal-based nanoparticles or their precursors.
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24
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Gonzalez-Avila G, Sommer B, García-Hernandez AA, Ramos C, Flores-Soto E. Nanotechnology and Matrix Metalloproteinases in Cancer Diagnosis and Treatment. Front Mol Biosci 2022; 9:918789. [PMID: 35720130 PMCID: PMC9198274 DOI: 10.3389/fmolb.2022.918789] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 05/18/2022] [Indexed: 12/15/2022] Open
Abstract
Cancer is still one of the leading causes of death worldwide. This great mortality is due to its late diagnosis when the disease is already at advanced stages. Although the efforts made to develop more effective treatments, around 90% of cancer deaths are due to metastasis that confers a systemic character to the disease. Likewise, matrix metalloproteinases (MMPs) are endopeptidases that participate in all the events of the metastatic process. MMPs’ augmented concentrations and an increased enzymatic activity have been considered bad prognosis markers of the disease. Therefore, synthetic inhibitors have been created to block MMPs’ enzymatic activity. However, they have been ineffective in addition to causing considerable side effects. On the other hand, nanotechnology offers the opportunity to formulate therapeutic agents that can act directly on a target cell, avoiding side effects and improving the diagnosis, follow-up, and treatment of cancer. The goal of the present review is to discuss novel nanotechnological strategies in which MMPs are used with theranostic purposes and as therapeutic targets to control cancer progression.
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Affiliation(s)
- Georgina Gonzalez-Avila
- Laboratorio Oncología Biomédica, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosío Villegas”, Ciudad de México, Mexico
- *Correspondence: Georgina Gonzalez-Avila,
| | - Bettina Sommer
- Departamento de Investigación en Hiperreactividad Bronquial, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosío Villegas”, Ciudad de México, Mexico
| | - A. Armando García-Hernandez
- Laboratorio Oncología Biomédica, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosío Villegas”, Ciudad de México, Mexico
| | - Carlos Ramos
- Departamento de Investigación en Fibrosis Pulmonar, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosío Villegas”, Ciudad de México, Mexico
| | - Edgar Flores-Soto
- Departamento de Farmacología, Facultad de Medicina, Universidad Nacional Autónoma de México, Ciudad de México, Mexico
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Nano-labeled materials as detection tags for signal amplification in immunochromatographic assay. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116673] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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26
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Point of care diagnostics and non-invasive sampling strategy: a review on major advances in veterinary diagnostics. ACTA VET BRNO 2022. [DOI: 10.2754/avb202291010017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
The use of point of care diagnostics (POCD) in animal diseases has steadily increased over the years since its introduction. Its potential application to diagnose infectious diseases in remote and resource limited settings have made it an ideal diagnostic in animal disease diagnosis and surveillance. The rapid increase in incidence of emerging infectious diseases requires urgent attention where POCD could be indispensable tools for immediate detection and early warning of a potential pathogen. The advantages of being rapid, easily affordable and the ability to diagnose an infectious disease on spot has driven an intense effort to refine and build on the existing technologies to generate advanced POCD with incremental improvements in analytical performance to diagnose a broad spectrum of animal diseases. The rural communities in developing countries are invariably affected by the burden of infectious animal diseases due to limited access to diagnostics and animal health personnel. Besides, the alarming trend of emerging and transboundary diseases with pathogen spill-overs at livestock-wildlife interfaces has been identified as a threat to the domestic population and wildlife conservation. Under such circumstances, POCD coupled with non-invasive sampling techniques could be successfully deployed at field level without the use of sophisticated laboratory infrastructures. This review illustrates the current and prospective POCD for existing and emerging animal diseases, the status of non-invasive sampling strategies for animal diseases, and the tremendous potential of POCD to uplift the status of global animal health care.
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Sathishkumar N, Toley BJ. Paper-microfluidic signal-enhanced immunoassays. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2022; 186:267-288. [PMID: 35033288 DOI: 10.1016/bs.pmbts.2021.07.015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Over the past decade, paper-based microfluidic devices have become popular for their simplicity and ability to conduct diagnostic tests at a low cost. An important class of diagnostic assays that paper-based analytical devices have been used for is immunoassays. The lateral flow immunoassay (LFIA), of which the home pregnancy test is the most prominent example, has been one of the most commercially successful membrane-based diagnostic tests. Yet, the analytical sensitivity of LFIAs is lower than the corresponding laboratory technique called ELISA (enzyme-linked immunoassay). As a consequence, traditional LFIAs fail to deliver on the promise of bedside diagnostic testing for many applications. Recognizing this shortcoming, several new developments have been made by researchers to enhance the sensitivity of membrane-based immunoassays. In this chapter, we present the various strategies that have been employed to this end. In the end, we present a brief SWOT analysis to guide future work in this area.
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Affiliation(s)
- N Sathishkumar
- Department of Chemical Engineering, Indian Institute of Science, Bengaluru, KA, India
| | - Bhushan J Toley
- Department of Chemical Engineering, Indian Institute of Science, Bengaluru, KA, India.
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Chen X, Ding L, Huang X, Xiong Y. Tailoring noble metal nanoparticle designs to enable sensitive lateral flow immunoassay. Am J Cancer Res 2022; 12:574-602. [PMID: 34976202 PMCID: PMC8692915 DOI: 10.7150/thno.67184] [Citation(s) in RCA: 59] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Accepted: 11/09/2021] [Indexed: 12/13/2022] Open
Abstract
Lateral flow immunoassay (LFIA) with gold nanoparticles (AuNPs) as signal reporters is a popular point-of-care diagnostic technique. However, given the weak absorbance of traditional 20-40 nm spherical AuNPs, their sensitivity is low, which greatly limits the wide application of AuNP-based LFIA. With the rapid advances in materials science and nanotechnology, the synthesis of noble metal nanoparticles (NMNPs) has enhanced physicochemical properties such as optical, plasmonic, catalytic, and multifunctional activity by simply engineering their physical parameters, including the size, shape, composition, and external structure. Using these engineered NMNPs as an alternative to traditional AuNPs, the sensitivity of LFIA has been significantly improved, thereby greatly expanding the working range and application scenarios of LFIA, particularly in trace analysis. Therefore, in this review, we will focus on the design of engineered NMNPs and their demonstration in improving LFIA. We highlight the strategies available for tailoring NMNP designs, the effect of NMNP engineering on their performance, and the working principle of each engineering design for enhancing LFIA. Finally, current challenges and future improvements in this field are briefly discussed.
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Yin M, Alexander Kim Z, Xu B. Micro/Nanofluidic‐Enabled Biomedical Devices: Integration of Structural Design and Manufacturing. ADVANCED NANOBIOMED RESEARCH 2021. [DOI: 10.1002/anbr.202100117] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Affiliation(s)
- Mengtian Yin
- Department of Mechanical and Aerospace Engineering University of Virginia Charlottesville VA 22904 USA
| | - Zachary Alexander Kim
- Department of Mechanical and Aerospace Engineering University of Virginia Charlottesville VA 22904 USA
| | - Baoxing Xu
- Department of Mechanical and Aerospace Engineering University of Virginia Charlottesville VA 22904 USA
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Chen ZM, Mou Q, Wu SH, Xie Y, Salminen K, Sun JJ. Real-Time Tunable Dynamic Range for Calibration-Free Biomolecular Measurements with a Temperature-Modulated Electrochemical Aptamer-Based Sensor in an Unprocessed Actual Sample. Anal Chem 2021; 94:1397-1405. [PMID: 34962777 DOI: 10.1021/acs.analchem.1c04697] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The sensing technologies for monitoring molecular analytes in biological fluids with high frequency and in real time could enable a broad range of applications in personalized healthcare and clinical diagnosis. However, due to the limited dynamic range (less than 81-fold), real-time analysis of biomolecular concentration varying over multiple orders of magnitude is a severe challenge faced by this class of analytical platforms. For the first time, we describe here that temperature-modulated electrochemical aptamer-based sensors with a dynamically adjustable calibration-free detection window could enable continuous, real-time, and accurate response for the several-hundredfold target concentration changes in unprocessed actual samples. Specifically, we could regulate the electrode surface temperature of sensors to obtain the corresponding dynamic range because of the temperature-dependent affinity variations. This temperature modulation method relies on an alternate hot and cold electrode reported by our group, whose surface could actively be heated and cooled without the need for altering ambient temperature, thus likewise applying for the flowing system. We then performed dual-frequency calibration-free measurements at different interface temperatures, thus achieving an extended detection window from 25 to 2500 μM for procaine in undiluted urine, 1-500 μM for adenosine triphosphate, and 5-2000 μM for adenosine in undiluted serum. The resulting sensor architecture could drastically expand the real-time response range accessible to these continuous, reagent-less biosensors.
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Affiliation(s)
- Zhi-Min Chen
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou 350108, Fujian, China
| | - Qi Mou
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou 350108, Fujian, China
| | - Sheng-Hong Wu
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou 350108, Fujian, China
| | - Yu Xie
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou 350108, Fujian, China
| | - Kalle Salminen
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou 350108, Fujian, China
| | - Jian-Jun Sun
- Ministry of Education Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou 350108, Fujian, China
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Rogers MJ, McManus DP, Muhi S, Gordon CA. Membrane Technology for Rapid Point-of-Care Diagnostics for Parasitic Neglected Tropical Diseases. Clin Microbiol Rev 2021; 34:e0032920. [PMID: 34378956 PMCID: PMC8404699 DOI: 10.1128/cmr.00329-20] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Parasitic neglected tropical diseases (NTDs) affect over one billion people worldwide, with individuals from communities in low-socioeconomic areas being most at risk and suffering the most. Disease management programs are hindered by the lack of infrastructure and resources for clinical sample collection, storage, and transport and a dearth of sensitive diagnostic methods that are inexpensive as well as accurate. Many diagnostic tests and tools have been developed for the parasitic NTDs, but the collection and storage of clinical samples for molecular and immunological diagnosis can be expensive due to storage, transport, and reagent costs, making these procedures untenable in most areas of endemicity. The application of membrane technology, which involves the use of specific membranes for either sample collection and storage or diagnostic procedures, can streamline this process, allowing for long-term sample storage at room temperature. Membrane technology can be used in serology-based diagnostic assays and for nucleic acid purification prior to molecular analysis. This facilitates the development of relatively simple and rapid procedures, although some of these methods, mainly due to costs, lack accessibility in low-socioeconomic regions of endemicity. New immunological procedures and nucleic acid storage, purification, and diagnostics protocols that are simple, rapid, accurate, and cost-effective must be developed as countries progress control efforts toward the elimination of the parasitic NTDs.
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Affiliation(s)
- Madeleine J. Rogers
- School of Chemistry and Molecular Biosciences, University of Queensland, Brisbane, Queensland, Australia
- Molecular Parasitology Laboratory, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
| | - Donald P. McManus
- Molecular Parasitology Laboratory, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
| | - Stephen Muhi
- Victorian Infectious Diseases Service, The Royal Melbourne Hospital, Parkville, Victoria, Australia
| | - Catherine A. Gordon
- Molecular Parasitology Laboratory, QIMR Berghofer Medical Research Institute, Brisbane, Queensland, Australia
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Lateral flow assays (LFA) as an alternative medical diagnosis method for detection of virus species: The intertwine of nanotechnology with sensing strategies. Trends Analyt Chem 2021; 145:116460. [PMID: 34697511 PMCID: PMC8529554 DOI: 10.1016/j.trac.2021.116460] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Viruses are responsible for multiple infections in humans that impose huge health burdens on individuals and populations worldwide. Therefore, numerous diagnostic methods and strategies have been developed for prevention, management, and decreasing the burden of viral diseases, each having its advantages and limitations. Viral infections are commonly detected using serological and nucleic acid-based methods. However, these conventional and clinical approaches have some limitations that can be resolved by implementing other detector devices. Therefore, the search for sensitive, selective, portable, and costless approaches as efficient alternative clinical methods for point of care testing (POCT) analysis has gained much attention in recent years. POCT is one of the ultimate goals in virus detection, and thus, the tests need to be rapid, specific, sensitive, accessible, and user-friendly. In this review, after a brief overview of viruses and their characteristics, the conventional viral detection methods, the clinical approaches, and their advantages and shortcomings are firstly explained. Then, LFA systems working principles, benefits, classification are discussed. Furthermore, the studies regarding designing and employing LFAs in diagnosing different types of viruses, especially SARS-CoV-2 as a main concern worldwide and innovations in the LFAs' approaches and designs, are comprehensively discussed here. Furthermore, several strategies addressed in some studies for overcoming LFA limitations like low sensitivity are reviewed. Numerous techniques are adopted to increase sensitivity and perform quantitative detection. Employing several visualization methods, using different labeling reporters, integrating LFAs with other detection methods to benefit from both LFA and the integrated detection device advantages, and designing unique membranes to increase reagent reactivity, are some of the approaches that are highlighted.
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Kim E, Lim EK, Park G, Park C, Lim JW, Lee H, Na W, Yeom M, Kim J, Song D, Haam S. Advanced Nanomaterials for Preparedness Against (Re-)Emerging Viral Diseases. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2005927. [PMID: 33586180 DOI: 10.1002/adma.202005927] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/08/2020] [Indexed: 05/24/2023]
Abstract
While the coronavirus disease (COVID-19) accounts for the current global pandemic, the emergence of other unknown pathogens, named "Disease X," remains a serious concern in the future. Emerging or re-emerging pathogens continue to pose significant challenges to global public health. In response, the scientific community has been urged to create advanced platform technologies to meet the ever-increasing needs presented by these devastating diseases with pandemic potential. This review aims to bring new insights to allow for the application of advanced nanomaterials in future diagnostics, vaccines, and antiviral therapies, thereby addressing the challenges associated with the current preparedness strategies in clinical settings against viruses. The application of nanomaterials has advanced medicine and provided cutting-edge solutions for unmet needs. Herein, an overview of the currently available nanotechnologies is presented, highlighting the significant features that enable them to control infectious diseases, and identifying the challenges that remain to be addressed for the commercial production of nano-based products is presented. Finally, to conclude, the development of a nanomaterial-based system using a "One Health" approach is suggested. This strategy would require a transdisciplinary collaboration and communication between all stakeholders throughout the entire process spanning across research and development, as well as the preclinical, clinical, and manufacturing phases.
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Affiliation(s)
- Eunjung Kim
- Department of Bioengineering and Nano-Bioengineering, Incheon National University, Incheon, 22012, Republic of Korea
- Division of Bioengineering, Incheon National University, Incheon, 22012, Republic of Korea
| | - Eun-Kyung Lim
- BioNanotechnology Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon, 34141, Republic of Korea
- Department of Nanobiotechnology, KRIBB School of Biotechnology, UST, Daejeon, 34113, Republic of Korea
| | - Geunseon Park
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seoul, 03722, Republic of Korea
| | - Chaewon Park
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seoul, 03722, Republic of Korea
| | - Jong-Woo Lim
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seoul, 03722, Republic of Korea
| | - Hyo Lee
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seoul, 03722, Republic of Korea
| | - Woonsung Na
- College of Veterinary Medicine, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Minjoo Yeom
- College of Pharmacy, Korea University, Sejong-ro, Sejong, 30019, Republic of Korea
| | - Jinyoung Kim
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seoul, 03722, Republic of Korea
| | - Daesub Song
- College of Pharmacy, Korea University, Sejong-ro, Sejong, 30019, Republic of Korea
| | - Seungjoo Haam
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seoul, 03722, Republic of Korea
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34
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Manta P, Chandra Singh S, Deep A, Kapoor DN. Temperature-regulated gold nanoparticle sensors for immune chromatographic rapid test kits with reproducible sensitivity: a study. IET Nanobiotechnol 2021; 15:338-346. [PMID: 34694667 PMCID: PMC8675805 DOI: 10.1049/nbt2.12024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 09/02/2020] [Accepted: 10/23/2020] [Indexed: 11/30/2022] Open
Abstract
Immune‐chromatographic kits are being used since several years in the rapid detection of infectious diseases. It is also called the lateral flow technique, and is used for antigen or antibody detection. There are a series of steps involved in the development of these immune‐chromatographic test kits. Still, the preparation of gold nanoparticles (AuNPs) is an important quality variable for the immune‐chromatographic test kit sensitivity. The immune chromatographic test must be specific in detection for specific antigen and antibody; this implies that the test kit should not show a false result. Secondly, the test kit should be sensitive enough to give a readable result, and the intensity of the test line should increase or decrease with the concentration of an analytic sample. Various factors can influence the performance of a test. Temperature differences in AuNPs preparation can alter the assay kinetics and contribute to assay variability. Other factors such as assay components, manufacturing processes and reagent variation also contribute to assay precision and accuracy. It is important to note that assay reproducibility is the combined effect of individual sources of variability. The authors have synthesized AuNPs by immediately controlling the reaction temperature. Different batches of Malaria rapid test kit were developed and the test kit sensitivity was analysed. It was found that test kits designed with temperature‐controlled AuNPs sensor had reproducible uniformity in terms of batch to batch sensitivity than AuNPs synthesized by conventional Turkevich and Fern process.
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Affiliation(s)
- Prince Manta
- School of Pharmaceutical Sciences, Shoolini University, Bajhol Solan, Himachal Pradesh, India
| | | | - Aman Deep
- Seloi Healthcare Pvt. Ltd, Goregaon West, Mumbai, India
| | - Deepak N Kapoor
- School of Pharmaceutical Sciences, Shoolini University, Bajhol Solan, Himachal Pradesh, India
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Mahmoudi T, Pourhassan-Moghaddam M, Shirdel B, Baradaran B, Morales-Narváez E, Golmohammadi H. On-Site Detection of Carcinoembryonic Antigen in Human Serum. BIOSENSORS-BASEL 2021; 11:bios11100392. [PMID: 34677348 PMCID: PMC8534016 DOI: 10.3390/bios11100392] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 10/09/2021] [Accepted: 10/12/2021] [Indexed: 12/24/2022]
Abstract
Real-time connectivity and employment of sustainable materials empowers point-of-care diagnostics with the capability to send clinically relevant data to health care providers even in low-resource settings. In this study, we developed an advantageous kit for the on-site detection of carcinoembryonic antigen (CEA) in human serum. CEA sensing was performed using cellulose-based lateral flow strips, and colorimetric signals were read, processed, and measured using a smartphone-based system. The corresponding immunoreaction was reported by polydopamine-modified gold nanoparticles in order to boost the signal intensity and improve the surface blocking and signal-to-noise relationship, thereby enhancing detection sensitivity when compared with bare gold nanoparticles (up to 20-fold in terms of visual limit of detection). Such lateral flow strips showed a linear range from 0.05 to 50 ng/mL, with a visual limit of detection of 0.05 ng/mL and an assay time of 15 min. Twenty-six clinical samples were also tested using the proposed kit and compared with the gold standard of immunoassays (enzyme linked immunosorbent assay), demonstrating an excellent correlation (R = 0.99). This approach can potentially be utilized for the monitoring of cancer treatment, particularly at locations far from centralized laboratory facilities.
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Affiliation(s)
- Tohid Mahmoudi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz 5166-15731, Iran; (T.M.); (B.S.); (B.B.)
| | - Mohammad Pourhassan-Moghaddam
- School of Life Sciences, Faculty of Science, University of Technology Sydney, Sydney, NSW 2007, Australia;
- ARC Research Hub for Integrated Device for End-User Analysis at Low-Levels (IDEAL Research Hub), Faculty of Science, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Behnaz Shirdel
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz 5166-15731, Iran; (T.M.); (B.S.); (B.B.)
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz 5166-15731, Iran; (T.M.); (B.S.); (B.B.)
| | - Eden Morales-Narváez
- Biophotonic Nanosensors Laboratory, Centro de Investigaciones en Óptica, A. C. Loma del Bosque 115, Lomas del Campestre, León 37150, Guanajuato, Mexico
- Correspondence: (E.M.-N.); (H.G.)
| | - Hamed Golmohammadi
- Nanosensor Bioplatforms Laboratory, Chemistry and Chemical Engineering Research Center of Iran, Tehran 1496-813151, Iran
- Correspondence: (E.M.-N.); (H.G.)
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Mousseau F, Féraudet Tarisse C, Simon S, Gacoin T, Alexandrou A, Bouzigues CI. Luminescent lanthanide nanoparticle-based imaging enables ultra-sensitive, quantitative and multiplexed in vitro lateral flow immunoassays. NANOSCALE 2021; 13:14814-14824. [PMID: 34533151 DOI: 10.1039/d1nr03358a] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Lateral Flow Assays (LFAs) have been extensively used on-site to rapidly detect analytes, possibly in complex media. However, standard gold nanoparticle-based LFAs lack sensitivity and cannot provide quantitative measurements with high accuracy. To overcome these limitations, we image lanthanide-doped nanoparticles (YVO4:Eu 40%) as new luminescent LFA probes, using a homemade reader coupled to a smartphone and propose an original image analysis allowing strip quantification regardless of the shape of the test band signal. This method is demonstrated for the detection of staphylococcal enterotoxins SEA, SEG, SEH, and SEI. A systematic comparison to state-of-the-art gold nanoparticle-based LFA revealed an analytical sensitivity enhancement of at least one order of magnitude. We furthermore provided measurements of absolute toxin concentration over two orders of magnitude and demonstrated simultaneous quantitative detection of multiple toxins with unaltered sensitivity. In particular, we reached concentrations 100 times lower than the ones reported in the literature for on-site multiplexed LFA targeting enterotoxins. Altogether, these results highlight that our luminescent nanoparticle-based method provides a powerful and versatile on-site framework to detect multiple biomolecules with sensitivity approaching that obtained by ELISA. This paves the way to a change of paradigm in the field of analytical immunoassays by providing fast in situ quantitative high sensitivity detection of biomarkers or pathogens.
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Affiliation(s)
- F Mousseau
- Laboratoire d'Optique et Biosciences, Ecole Polytechnique, Institut Polytechnique de Paris, CNRS, INSERM, Route de Saclay, 91128 Palaiseau, France.
| | - C Féraudet Tarisse
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), 91191 Gif-sur-Yvette, France
| | - S Simon
- Université Paris-Saclay, CEA, INRAE, Département Médicaments et Technologies pour la Santé (DMTS), 91191 Gif-sur-Yvette, France
| | - T Gacoin
- Laboratoire de Physique de la Matière Condensée, Ecole Polytechnique, Institut Polytechnique de Paris, CNRS, Route de Saclay, 91128 Palaiseau, France
| | - A Alexandrou
- Laboratoire d'Optique et Biosciences, Ecole Polytechnique, Institut Polytechnique de Paris, CNRS, INSERM, Route de Saclay, 91128 Palaiseau, France.
| | - C I Bouzigues
- Laboratoire d'Optique et Biosciences, Ecole Polytechnique, Institut Polytechnique de Paris, CNRS, INSERM, Route de Saclay, 91128 Palaiseau, France.
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Napione L. Integrated Nanomaterials and Nanotechnologies in Lateral Flow Tests for Personalized Medicine Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:2362. [PMID: 34578678 PMCID: PMC8465858 DOI: 10.3390/nano11092362] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 09/06/2021] [Accepted: 09/08/2021] [Indexed: 01/09/2023]
Abstract
The goal of personalized medicine is to target the right treatments to the right patients at the right time. Patients with a variety of cancers and other complex diseases are regularly tested as part of patient care, enabling physicians to personalize patient monitoring and treatment. Among the sought-after diagnostic tools, there is an increasing interest and need for those based on a low-cost, easy, rapid, and accurate method for the detection of specific circulating biomarkers above a detection threshold. Lateral flow tests (LFTs), enhanced by nanotechnology, can fulfil these requirements, providing a significant support to personalized patient monitoring. In this review, after a short historical synopsis of membrane-based lateral flow assays, including a description of a typical configuration of a LFT strip, a careful collection is presented of the best characterized nanotechnology approaches previously reported for the enhancement of target detection performance. The attempt is to offer an overview of currently integrated nanotechnologies in LFTs, fostering the actual future development of advantageous diagnostic devices for patient monitoring.
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Affiliation(s)
- Lucia Napione
- Department of Applied Science and Technology, Politecnico di Torino, 10129 Torino, Italy
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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: 17] [Impact Index Per Article: 5.7] [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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Wang J, Jiang C, Jin J, Huang L, Yu W, Su B, Hu J. Ratiometric Fluorescent Lateral Flow Immunoassay for Point‐of‐Care Testing of Acute Myocardial Infarction. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202103458] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Jing Wang
- College of Chemical Engineering Zhejiang University of Technology Hangzhou 310014 PR China
| | - Chenxing Jiang
- College of Chemical Engineering Zhejiang University of Technology Hangzhou 310014 PR China
| | - Jiening Jin
- College of Chemical Engineering Zhejiang University of Technology Hangzhou 310014 PR China
| | - Liang Huang
- College of Chemical Engineering Zhejiang University of Technology Hangzhou 310014 PR China
| | - Wenbo Yu
- College of Veterinary Medicine China Agricultural University Beijing Key Laboratory of Detection Technology for Animal Derived Food Safety Beijing Laboratory for Food Quality and Safety Beijing 100193 PR China
| | - Bin Su
- Institute of Analytical Chemistry Department of Chemistry Zhejiang University Hangzhou 310058 PR China
| | - Jun Hu
- College of Chemical Engineering Zhejiang University of Technology Hangzhou 310014 PR China
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Wang J, Jiang C, Jin J, Huang L, Yu W, Su B, Hu J. Ratiometric Fluorescent Lateral Flow Immunoassay for Point-of-Care Testing of Acute Myocardial Infarction. Angew Chem Int Ed Engl 2021; 60:13042-13049. [PMID: 33793060 DOI: 10.1002/anie.202103458] [Citation(s) in RCA: 81] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Indexed: 12/12/2022]
Abstract
We report the development of a highly sensitive ratiometric fluorescent lateral flow immunoassay (RFLFIA) strip for rapid and accurate detection of acute myocardial infarction biomarker, namely heart-type fatty acid binding protein (H-FABP). The RFLFIA strip works in terms of ratiometric change of fluorescence signal, arising from blending of fluorescence emitted by two composite nanostructures conjugated to capture and probe antibodies and inner filter effect of gold nanoparticles. In conjunction with using custom smartphone-based analytical device and tonality analysis, quantitative detection of H-FABP was achieved with a low limit of detection at 0.21 ng mL-1 . The RFLFIA strip can generate a visually distinguishable green-to-red color change around the threshold concentration of H-FABP (6.2 ng mL-1 ), thus allowing the semi-quantitative diagnosis by the naked eye.
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Affiliation(s)
- Jing Wang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, PR China
| | - Chenxing Jiang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, PR China
| | - Jiening Jin
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, PR China
| | - Liang Huang
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, PR China
| | - Wenbo Yu
- College of Veterinary Medicine, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal Derived Food Safety, Beijing Laboratory for Food Quality and Safety, Beijing, 100193, PR China
| | - Bin Su
- Institute of Analytical Chemistry, Department of Chemistry, Zhejiang University, Hangzhou, 310058, PR China
| | - Jun Hu
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, 310014, PR China
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Al Sulaiman D, Shapiro SJ, Gomez-Marquez J, Doyle PS. High-Resolution Patterning of Hydrogel Sensing Motifs within Fibrous Substrates for Sensitive and Multiplexed Detection of Biomarkers. ACS Sens 2021; 6:203-211. [PMID: 33351603 DOI: 10.1021/acssensors.0c02121] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
There has been an increasing and urgent demand to develop nucleic acid bioassays which not only offer high analytical performance but which are also amenable with point-of-care testing. Hydrogels present a versatile class of materials with biocompatible antifouling properties and the ability to be engineered for a range of advanced sensing applications. Fibrous substrates like nitrocellulose offer low-cost and durable platforms to run complex bioassays while enabling portability and ease of handling. We demonstrate herein the ability to synergistically combine these two materials into a portable biosensing platform by leveraging projection lithography. We demonstrate the direct polymerization of hydrogel sensing motifs within a range of fibrous substrates with precise control over their shape, size, location, and functionality. Spatial encoding of the hydrogel motifs enables the multiplex detection of multiple biomarkers on the same test. As a proof-of-concept, we apply the platform to the detection of microRNA, an emerging class of circulating biomarkers with promising potential for early diagnosis and monitoring of cancer. The assay offers a large dynamic range (over three orders of magnitude), high sensitivity (limit of detection of 2.5 amol), as well as versatility and ease of handling. Finally, the bioassay is validated using real biological samples, namely, total RNA extracted from the sera of late-stage breast cancer patients, demonstrating its utility and compatibility with clinical biosensing applications.
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Affiliation(s)
- Dana Al Sulaiman
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Sarah J. Shapiro
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Jose Gomez-Marquez
- Little Devices Lab, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Patrick S. Doyle
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
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Weihs F, Anderson A, Trowell S, Caron K. Resonance Energy Transfer-Based Biosensors for Point-of-Need Diagnosis-Progress and Perspectives. SENSORS (BASEL, SWITZERLAND) 2021; 21:660. [PMID: 33477883 PMCID: PMC7833371 DOI: 10.3390/s21020660] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 01/08/2021] [Accepted: 01/15/2021] [Indexed: 02/06/2023]
Abstract
The demand for point-of-need (PON) diagnostics for clinical and other applications is continuing to grow. Much of this demand is currently serviced by biosensors, which combine a bioanalytical sensing element with a transducing device that reports results to the user. Ideally, such devices are easy to use and do not require special skills of the end user. Application-dependent, PON devices may need to be capable of measuring low levels of analytes very rapidly, and it is often helpful if they are also portable. To date, only two transduction modalities, colorimetric lateral flow immunoassays (LFIs) and electrochemical assays, fully meet these requirements and have been widely adopted at the point-of-need. These modalities are either non-quantitative (LFIs) or highly analyte-specific (electrochemical glucose meters), therefore requiring considerable modification if they are to be co-opted for measuring other biomarkers. Förster Resonance Energy Transfer (RET)-based biosensors incorporate a quantitative and highly versatile transduction modality that has been extensively used in biomedical research laboratories. RET-biosensors have not yet been applied at the point-of-need despite its advantages over other established techniques. In this review, we explore and discuss recent developments in the translation of RET-biosensors for PON diagnoses, including their potential benefits and drawbacks.
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Affiliation(s)
- Felix Weihs
- CSIRO Health & Biosecurity, Parkville, 343 Royal Parade, Melbourne, VIC 3030, Australia;
| | - Alisha Anderson
- CSIRO Health & Biosecurity, Black Mountain, Canberra, ACT 2600, Australia;
| | - Stephen Trowell
- PPB Technology Pty Ltd., Centre for Entrepreneurial Agri-Technology, Australian National University, Canberra, ACT 2601, Australia;
| | - Karine Caron
- CSIRO Health & Biosecurity, Black Mountain, Canberra, ACT 2600, Australia;
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43
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Sachdeva S, Davis RW, Saha AK. Microfluidic Point-of-Care Testing: Commercial Landscape and Future Directions. Front Bioeng Biotechnol 2021; 8:602659. [PMID: 33520958 PMCID: PMC7843572 DOI: 10.3389/fbioe.2020.602659] [Citation(s) in RCA: 101] [Impact Index Per Article: 33.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 12/15/2020] [Indexed: 12/23/2022] Open
Abstract
Point-of-care testing (POCT) allows physicians to detect and diagnose diseases at or near the patient site, faster than conventional lab-based testing. The importance of POCT is considerably amplified in the trying times of the COVID-19 pandemic. Numerous point-of-care tests and diagnostic devices are available in the market including, but not limited to, glucose monitoring, pregnancy and infertility testing, infectious disease testing, cholesterol testing and cardiac markers. Integrating microfluidics in POCT allows fluid manipulation and detection in a singular device with minimal sample requirements. This review presents an overview of two technologies - (a.) Lateral Flow Assay (LFA) and (b.) Nucleic Acid Amplification - upon which a large chunk of microfluidic POCT diagnostics is based, some of their applications, and commercially available products. Apart from this, we also delve into other microfluidic-based diagnostics that currently dominate the in-vitro diagnostic (IVD) market, current testing landscape for COVID-19 and prospects of microfluidics in next generation diagnostics.
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Affiliation(s)
| | | | - Amit K. Saha
- Genome Technology Center, School of Medicine, Stanford University, Palo Alto, CA, United States
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Paper-Based Molecular Diagnostics. Bioanalysis 2021. [DOI: 10.1007/978-981-15-8723-8_8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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Zhao Z, Dou X, Luo J, Jin M, Qin J, Wang C, Yang S, Yang M. Magnetic particles encoding a suspension probe for ultra-sensitive and quantitative determination of atrazine. J Pharm Biomed Anal 2020; 195:113868. [PMID: 33406474 DOI: 10.1016/j.jpba.2020.113868] [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: 11/04/2020] [Revised: 12/20/2020] [Accepted: 12/21/2020] [Indexed: 01/10/2023]
Abstract
As a highly toxic and widely used herbicide, atrazine poses a serious threat to food safety as well as overall environmental and human health. Due to complex matrix interference and the difficulty of signal enrichment, there is an urgent need for a convenient, fast, and ultrasensitive method that detects trace atrazine without concern for matrix effects. Here, we provide the first account of a sensitive and rapid suspension probe based on magnetic microspheres used to detect atrazine in herbs. The self-made magnetic beads featured -COOH groups and were used as the carrier to construct immunofluorescent probes. These probes then conjugated with the atrazine antigen through an activated ester method, ultimately binding to the antibody. Homogeneous detection was ensured using flow cytometry and the microflow optical channel along with allophycocyanin-conjugated goat-anti-mouse secondary antibody (APC-IgG-SecAb) as the fluorescent signal. The magnetic suspension probe allowed for high target enrichment and the inherent two-dimensional selective detection of flow cytometry effectively avoided any matrix interference. This method had good linearity across 1.69-23.19 ng mL-1. The IC50 and LOD values were 4.81 ng mL-1 and 0.95 ng mL-1, respectively; the sensitivity was increased three-fold relative to ELISA. After complete optimization, 2-N-morpholinoeth-anesulfonic acid was used as the coupling solution and maintained good mono-dispersity, stability, and reactivity for the labelled microspheres during the process. The entire experiment was simple, and effectively used reagents; moreover, both the labor required and detection time were greatly reduced. Critically, the strategy presented here greatly reduced interference from complex matrices, and saved preparation for matrix-matched solutions when different herbs were screened. Overall, this strategy was sensitive, rapid, eco-friendly, and labor-saving; collectively, these attributes make it well-suited for on-site screening of atrazine contamination and will allow for increased food safety.
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Affiliation(s)
- Zhigao Zhao
- Laboratory of Cultivation and Breeding of Medicinal Plants, National Administration of Traditional Chinese Medicine, Department of Traditional Chinese Medicine, Jilin Agricultural University, Changchun, 130118, China; Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193, China
| | - Xiaowen Dou
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193, China; Medical Laboratory of the Third affiliated hospital of Shenzhen university, Shenzhen, 518001, China
| | - Jiaoyang Luo
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193, China
| | - Meiqi Jin
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193, China
| | - Jiaan Qin
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193, China
| | - Changjian Wang
- Laboratory of Cultivation and Breeding of Medicinal Plants, National Administration of Traditional Chinese Medicine, Department of Traditional Chinese Medicine, Jilin Agricultural University, Changchun, 130118, China
| | - Shihai Yang
- Laboratory of Cultivation and Breeding of Medicinal Plants, National Administration of Traditional Chinese Medicine, Department of Traditional Chinese Medicine, Jilin Agricultural University, Changchun, 130118, China.
| | - Meihua Yang
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100193, China.
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Mattioli IA, Hassan A, Oliveira ON, Crespilho FN. On the Challenges for the Diagnosis of SARS-CoV-2 Based on a Review of Current Methodologies. ACS Sens 2020; 5:3655-3677. [PMID: 33267587 PMCID: PMC7724986 DOI: 10.1021/acssensors.0c01382] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 11/17/2020] [Indexed: 12/13/2022]
Abstract
Diagnosis of COVID-19 has been challenging owing to the need for mass testing and for combining distinct types of detection to cover the different stages of the infection. In this review, we have surveyed the most used methodologies for diagnosis of COVID-19, which can be basically categorized into genetic-material detection and immunoassays. Detection of genetic material with real-time polymerase chain reaction (RT-PCR) and similar techniques has been achieved with high accuracy, but these methods are expensive and require time-consuming protocols which are not widely available, especially in less developed countries. Immunoassays for detecting a few antibodies, on the other hand, have been used for rapid, less expensive tests, but their accuracy in diagnosing infected individuals has been limited. We have therefore discussed the strengths and limitations of all of these methodologies, particularly in light of the required combination of tests owing to the long incubation periods. We identified the bottlenecks that prevented mass testing in many countries, and proposed strategies for further action, which are mostly associated with materials science and chemistry. Of special relevance are the methodologies which can be integrated into point-of-care (POC) devices and the use of artificial intelligence that do not require products from a well-developed biotech industry.
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Affiliation(s)
- Isabela A. Mattioli
- São Carlos Institute of
Chemistry, University of São Paulo,
São Carlos 13560-970, São Paulo,
Brazil
| | - Ayaz Hassan
- São Carlos Institute of
Chemistry, University of São Paulo,
São Carlos 13560-970, São Paulo,
Brazil
| | - Osvaldo N. Oliveira
- São Carlos Institute of
Physics, University of São Paulo,
São Carlos 13560-590, São Paulo,
Brazil
| | - Frank N. Crespilho
- São Carlos Institute of
Chemistry, University of São Paulo,
São Carlos 13560-970, São Paulo,
Brazil
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Tutorial: design and fabrication of nanoparticle-based lateral-flow immunoassays. Nat Protoc 2020; 15:3788-3816. [PMID: 33097926 DOI: 10.1038/s41596-020-0357-x] [Citation(s) in RCA: 201] [Impact Index Per Article: 50.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Accepted: 05/12/2020] [Indexed: 12/20/2022]
Abstract
Lateral-flow assays (LFAs) are quick, simple and cheap assays to analyze various samples at the point of care or in the field, making them one of the most widespread biosensors currently available. They have been successfully employed for the detection of a myriad of different targets (ranging from atoms up to whole cells) in all type of samples (including water, blood, foodstuff and environmental samples). Their operation relies on the capillary flow of the sample throughout a series of sequential pads, each with different functionalities aiming to generate a signal to indicate the absence/presence (and, in some cases, the concentration) of the analyte of interest. To have a user-friendly operation, their development requires the optimization of multiple, interconnected parameters that may overwhelm new developers. In this tutorial, we provide the readers with: (i) the basic knowledge to understand the principles governing an LFA and to take informed decisions during lateral flow strip design and fabrication, (ii) a roadmap for optimal LFA development independent of the specific application, (iii) a step-by-step example procedure for the assembly and operation of an LF strip for the detection of human IgG and (iv) an extensive troubleshooting section addressing the most frequent issues in designing, assembling and using LFAs. By changing only the receptors, the provided example procedure can easily be adapted for cost-efficient detection of a broad variety of targets.
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A panel of anti-influenza virus nucleoprotein antibodies selected from phage-displayed synthetic antibody libraries with rapid diagnostic capability to distinguish diverse influenza virus subtypes. Sci Rep 2020; 10:13318. [PMID: 32770098 PMCID: PMC7414213 DOI: 10.1038/s41598-020-70135-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Accepted: 07/15/2020] [Indexed: 02/06/2023] Open
Abstract
Immunoassays based on sandwich immuno-complexes of capture and detection antibodies simultaneously binding to the target analytes have been powerful technologies in molecular analyses. Recent developments in single molecule detection technologies enable the detection limit of the sandwich immunoassays approaching femtomolar (10-15 M), driving the needs of developing sensitive and specific antibodies for ever-increasingly broad applications in detecting and quantifying biomarkers. The key components underlying the sandwich immunoassays are antibody-based affinity reagents, for which the conventional sources are mono- or poly-clonal antibodies from immunized animals. The downsides of the animal-based antibodies as affinity reagents arise from the requirement of months of development timespan and limited choices of antibody candidates due to immunodominance of humoral immune responses in animals. Hence, developing animal antibodies capable of distinguishing highly related antigens could be challenging. To overcome the limitation imposed by the animal immune systems, we developed an in vitro methodology based on phage-displayed synthetic antibody libraries for diverse antibodies as affinity reagents against closely related influenza virus nucleoprotein (NP) subtypes, aiming to differentiating avian influenza virus (H5N1) from seasonal influenza viruses (H1N1 and H3N2), for which the NPs are closely related by 90-94% in terms of pairwise amino acid sequence identity. We applied the methodology to attain, within four weeks, a panel of IgGs with distinguishable specificities against a group of representative NPs with pairwise amino acid sequence identities up to more than 90%, and the antibodies derived from the antibody libraries without further affinity refinement had comparable affinity of mouse antibodies to the NPs with the detection limit less than 1 nM of viral NP from lysed virus with sandwich ELISA. The panel of IgGs were capable of rapidly distinguishing infections due to virulent avian influenza virus from infections of seasonal flu, in responding to a probable emergency scenario where avian influenza virus would be transmissible among humans overlapping with the seasonal influenza infections. The results indicate that the in vitro antibody development methodology enables developing diagnostic antibodies that would not otherwise be available from animal-based antibody technologies.
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Hristov DR, Pimentel AJ, Ujialele G, Hamad-Schifferli K. The Immunoprobe Aggregation State is Central to Dipstick Immunoassay Performance. ACS APPLIED MATERIALS & INTERFACES 2020; 12:34620-34629. [PMID: 32633115 DOI: 10.1021/acsami.0c08628] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
As new infectious disease outbreaks become more likely, it is important to be able to develop and deploy appropriate testing in time. Paper-based immunoassays are rapid, cheap, and easy to produce at scale and relatively user friendly but often suffer from low selectivity and sensitivity. Understanding the molecular mechanisms of paper immunoassays may help improve and hasten development and therefore production and market availability. Here, we study how the behavior of nanoparticle-antibody immunoprobes in paper dipstick immunoassays is impacted by synthesis strategy and surface chemistry architecture. We conjugate gold nanoparticles to polyclonal anti-immunoglobulin G (IgG) and anti-zika NS1 antibodies by electrostatic adsorption and N-hydroxysuccinimide (NHS) and hydrazide (Hz) chemistries. The immunoprobes were used in paper immunoassays and the effective affinity for the antigen was quantified from the test line intensities, as well as the distribution of the immunoprobes throughout the strips. The results show that nanoparticle colloidal stability, both post synthesis and during antigen binding, is a key factor and affects immunoassay results and performance, often through reduction or loss of signal.
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Parolo C, Idili A, Ortega G, Csordas A, Hsu A, Arroyo-Currás N, Yang Q, Ferguson BS, Wang J, Plaxco KW. Real-Time Monitoring of a Protein Biomarker. ACS Sens 2020; 5:1877-1881. [PMID: 32619092 DOI: 10.1021/acssensors.0c01085] [Citation(s) in RCA: 50] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The ability to monitor protein biomarkers continuously and in real-time would significantly advance the precision of medicine. Current protein-detection techniques, however, including ELISA and lateral flow assays, provide only time-delayed, single-time-point measurements, limiting their ability to guide prompt responses to rapidly evolving, life-threatening conditions. In response, here we present an electrochemical aptamer-based sensor (EAB) that supports high-frequency, real-time biomarker measurements. Specifically, we have developed an electrochemical, aptamer-based (EAB) sensor against Neutrophil Gelatinase-Associated Lipocalin (NGAL), a protein that, if present in urine at levels above a threshold value, is indicative of acute renal/kidney injury (AKI). When deployed inside a urinary catheter, the resulting reagentless, wash-free sensor supports real-time, high-frequency monitoring of clinically relevant NGAL concentrations over the course of hours. By providing an "early warning system", the ability to measure levels of diagnostically relevant proteins such as NGAL in real-time could fundamentally change how we detect, monitor, and treat many important diseases.
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Affiliation(s)
- Claudio Parolo
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106, United States
| | - Andrea Idili
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106, United States
| | - Gabriel Ortega
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106, United States
| | - Andrew Csordas
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106, United States
| | - Alex Hsu
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106, United States
| | - Netzahualcóyotl Arroyo-Currás
- Department of Pharmacology and Molecular Sciences, Johns Hopkins School of Medicine, Baltimore, Maryland 21205, United States
| | - Qin Yang
- Aptitude Medical Systems, Inc., Santa Barbara, California 93105, United States
| | | | - Jinpeng Wang
- Aptitude Medical Systems, Inc., Santa Barbara, California 93105, United States
| | - Kevin W. Plaxco
- Department of Chemistry and Biochemistry, University of California, Santa Barbara, Santa Barbara, California 93106, United States
- Interdepartmental Program in Biomolecular Science and Engineering University of California, Santa Barbara, Santa Barbara, California 93106, United States
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