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Barth I, Lee H. Nanophotonic sensing and label-free imaging of extracellular vesicles. LIGHT, SCIENCE & APPLICATIONS 2025; 14:177. [PMID: 40295495 PMCID: PMC12037801 DOI: 10.1038/s41377-025-01866-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2025] [Revised: 04/08/2025] [Accepted: 04/10/2025] [Indexed: 04/30/2025]
Abstract
This review examines imaging-based nanophotonic biosensing and interferometric label-free imaging, with a particular focus on vesicle detection. It specifically compares dielectric and plasmonic metasurfaces for label-free protein and extracellular vesicle detection, highlighting their respective advantages and limitations. Key topics include: (i) refractometric sensing principles using resonant dielectric and plasmonic surfaces; (ii) state-of-the-art developments in both plasmonic and dielectric nanostructured resonant surfaces; (iii) a detailed comparison of resonance characteristics, including amplitude, quality factor, and evanescent field enhancement; and (iv) the relationship between sensitivity, near-field enhancement, and analyte overlap in different sensing platforms. The review provides insights into the fundamental differences between plasmonic and dielectric platforms, discussing their fabrication, integration potential, and suitability for various analyte sizes. It aims to offer a unified, application-oriented perspective on the potential of these resonant surfaces for biosensing and imaging, aiming at addressing topics of interest for both photonics experts and potential users of these technologies.
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Affiliation(s)
- Isabel Barth
- Center for Systems Biology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA.
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02115, USA.
| | - Hakho Lee
- Center for Systems Biology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02114, USA.
- Department of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, 02115, USA.
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2
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Yadav A, Yadav K. Portable solutions for plant pathogen diagnostics: development, usage, and future potential. Front Microbiol 2025; 16:1516723. [PMID: 39959158 PMCID: PMC11825793 DOI: 10.3389/fmicb.2025.1516723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2024] [Accepted: 01/14/2025] [Indexed: 02/18/2025] Open
Abstract
The increasing prevalence of plant pathogens presents a critical challenge to global food security and agricultural sustainability. While accurate, traditional diagnostic methods are often time-consuming, resource-intensive, and unsuitable for real-time field applications. The emergence of portable diagnostic tools represents a paradigm shift in plant disease management, offering rapid, on-site detection of pathogens with high accuracy and minimal technical expertise. This review explores portable diagnostic technologies' development, deployment, and future potential, including handheld analyzers, smartphone-integrated systems, microfluidics, and lab-on-a-chip platforms. We examine the core technologies underlying these devices, such as biosensors, nucleic acid amplification techniques, and immunoassays, highlighting their applicability to detect bacterial, viral, and fungal pathogens in diverse agricultural settings. Furthermore, the integration of these devices with digital technologies, including the Internet of Things (IoT), artificial intelligence (AI), and machine learning (ML), is transforming disease surveillance and management. While portable diagnostics have clear advantages in speed, cost-effectiveness, and user accessibility, challenges related to sensitivity, durability, and regulatory standards remain. Innovations in nanotechnology, multiplex detection platforms, and personalized agriculture promise to further enhance the efficacy of portable diagnostics. By providing a comprehensive overview of current technologies and exploring future directions, this review underscores the critical role of portable diagnostics in advancing precision agriculture and mitigating the impact of plant pathogens on global food production.
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Affiliation(s)
- Anurag Yadav
- Department of Microbiology, C. P. College of Agriculture, Sardarkrushinagar Dantiwada Agricultural University, Banaskantha, India
| | - Kusum Yadav
- Department of Biochemistry, University of Lucknow, Lucknow, India
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3
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Takaloo S, Xu AH, Zaidan L, Irannejad M, Yavuz M. Towards Point-of-Care Single Biomolecule Detection Using Next Generation Portable Nanoplasmonic Biosensors: A Review. BIOSENSORS 2024; 14:593. [PMID: 39727858 DOI: 10.3390/bios14120593] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2024] [Revised: 11/29/2024] [Accepted: 12/02/2024] [Indexed: 12/28/2024]
Abstract
Over the past few years, nanoplasmonic biosensors have gained widespread interest for early diagnosis of diseases thanks to their simple design, low detection limit down to the biomolecule level, high sensitivity to even small molecules, cost-effectiveness, and potential for miniaturization, to name but a few benefits. These intrinsic natures of the technology make it the perfect solution for compact and portable designs that combine sampling, analysis, and measurement into a miniaturized chip. This review summarizes applications, theoretical modeling, and research on portable nanoplasmonic biosensor designs. In order to develop portable designs, three basic components have been miniaturized: light sources, plasmonic chips, and photodetectors. There are five types of portable designs: portable SPR, miniaturized components, flexible, wearable SERS-based, and microfluidic. The latter design also reduces diffusion times and allows small amounts of samples to be delivered near plasmonic chips. The properties of nanomaterials and nanostructures are also discussed, which have improved biosensor performance metrics. Researchers have also made progress in improving the reproducibility of these biosensors, which is a major obstacle to their commercialization. Furthermore, future trends will focus on enhancing performance metrics, optimizing biorecognition, addressing practical constraints, considering surface chemistry, and employing emerging technologies. In the foreseeable future, these trends will be merged to result in portable nanoplasmonic biosensors offering detection of even a single biomolecule.
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Affiliation(s)
- Saeed Takaloo
- Department of Mechanical and Mechatronics Engineering, University of Waterloo, 200 University Ave. West, Waterloo, ON N2L 3G1, Canada
- Waterloo Institute for Nanotechnology (WIN), University of Waterloo, 200 University Ave. West, Waterloo, ON N2L 3G1, Canada
| | - Alexander H Xu
- Waterloo Institute for Nanotechnology (WIN), University of Waterloo, 200 University Ave. West, Waterloo, ON N2L 3G1, Canada
- Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, ON N2L 3G1, Canada
| | - Liena Zaidan
- Waterloo Institute for Nanotechnology (WIN), University of Waterloo, 200 University Ave. West, Waterloo, ON N2L 3G1, Canada
- Department of Electrical and Computer Engineering, University of Waterloo, Waterloo, ON N2L 3G1, Canada
| | | | - Mustafa Yavuz
- Department of Mechanical and Mechatronics Engineering, University of Waterloo, 200 University Ave. West, Waterloo, ON N2L 3G1, Canada
- Waterloo Institute for Nanotechnology (WIN), University of Waterloo, 200 University Ave. West, Waterloo, ON N2L 3G1, Canada
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4
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Karaca Acari I, Kurul F, Avci MB, Yasar SD, Topkaya SN, Açarı C, Ünsal E, Makay B, Köytepe S, Ateş B, Yilmaz İ, Seçkin T, Cetin AE. A plasmonic biosensor pre-diagnostic tool for Familial Mediterranean Fever. Nat Commun 2024; 15:8515. [PMID: 39353949 PMCID: PMC11445562 DOI: 10.1038/s41467-024-52961-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 09/24/2024] [Indexed: 10/03/2024] Open
Abstract
Familial Mediterranean Fever (FMF) is an autosomal recessive genetic disorder, primarily observed in populations around the Mediterranean Sea, linked to MEFV gene mutations. These mutations disrupt inflammatory responses, increasing pyrin-protein production. Traditional diagnosis relies on clinical symptoms, family history, acute phase reactants, and excluding similar syndromes with MEFV testing, which is expensive and often inconclusive due to heterozygous mutations. Here, we present a biosensor platform that detects differences in pyrin-protein levels between healthy and affected individuals, offering a cost-effective alternative to genetic testing. Our platform uses gold nanoparticle-based plasmonic chips enhanced with anti-pyrin antibodies, achieving a detection limit of 0.24 ng/mL with high specificity. The system integrates an optofluidic system and visible light spectroscopy for real-time analysis, with signal stability maintained for up to six months. Our technology will enhance FMF diagnosis accuracy, enabling early treatment initiation and providing a cost-effective alternative to genetic testing, thus improving patient care.
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Affiliation(s)
- Idil Karaca Acari
- Department of Engineering Basic Sciences, Faculty of Engineering and Natural Sciences, Malatya Turgut Ozal University, Yesilyurt, Malatya, Turkey
| | - Fatma Kurul
- Izmir Biomedicine and Genome Center, Balcova, Izmir, Turkey
| | | | - S Deniz Yasar
- Izmir Biomedicine and Genome Center, Balcova, Izmir, Turkey
| | - Seda Nur Topkaya
- Department of Analytical Chemistry, Faculty of Pharmacy, Izmir Katip Celebi University, Cigli, Izmir, Turkey
| | - Ceyhun Açarı
- Department of Pediatrics, Faculty of Medicine, Inonu University, Battalgazi, Malatya, Turkey
| | - Erbil Ünsal
- Division of Pediatric Rheumatology, Faculty of Medicine, Dokuz Eylul University, Balcova, Izmir, Turkey
| | - Balahan Makay
- Division of Pediatric Rheumatology, Faculty of Medicine, Dokuz Eylul University, Balcova, Izmir, Turkey
| | - Süleyman Köytepe
- Department of Chemistry, Faculty of Arts and Science, Inonu University, Battalgazi, Malatya, Turkey
| | - Burhan Ateş
- Department of Chemistry, Faculty of Arts and Science, Inonu University, Battalgazi, Malatya, Turkey
| | - İsmet Yilmaz
- Department of Chemistry, Faculty of Arts and Science, Inonu University, Battalgazi, Malatya, Turkey
| | - Turgay Seçkin
- Department of Chemistry, Faculty of Arts and Science, Inonu University, Battalgazi, Malatya, Turkey
| | - Arif E Cetin
- Izmir Biomedicine and Genome Center, Balcova, Izmir, Turkey.
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5
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Tene T, Svozilík J, Colcha D, Cevallos Y, Vinueza-Naranjo PG, Vacacela Gomez C, Bellucci S. The Tunable Parameters of Graphene-Based Biosensors. SENSORS (BASEL, SWITZERLAND) 2024; 24:5049. [PMID: 39124094 PMCID: PMC11314989 DOI: 10.3390/s24155049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2024] [Revised: 07/27/2024] [Accepted: 08/01/2024] [Indexed: 08/12/2024]
Abstract
Graphene-based surface plasmon resonance (SPR) biosensors have emerged as a promising technology for the highly sensitive and accurate detection of biomolecules. This study presents a comprehensive theoretical analysis of graphene-based SPR biosensors, focusing on configurations with single and bimetallic metallic layers. In this study, we investigated the impact of various metallic substrates, including gold and silver, and the number of graphene layers on key performance metrics: sensitivity of detection, detection accuracy, and quality factor. Our findings reveal that configurations with graphene first supported on gold exhibit superior performance, with sensitivity of detection enhancements up to 30% for ten graphene layers. In contrast, silver-supported configurations, while demonstrating high sensitivity, face challenges in maintaining detection accuracy. Additionally, reducing the thickness of metallic layers by 30% optimizes light coupling and enhances sensor performance. These insights highlight the significant potential of graphene-based SPR biosensors in achieving high sensitivity of detection and reliability, paving the way for their application in diverse biosensing technologies. Our findings pretend to motivate future research focusing on optimizing metallic layer thickness, improving the stability of silver-supported configurations, and experimentally validating the theoretical findings to further advance the development of high-performance SPR biosensors.
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Affiliation(s)
- Talia Tene
- Department of Chemistry, Universidad Técnica Particular de Loja, Loja 110160, Ecuador
| | - Jiří Svozilík
- Facultad de Ciencias, Escuela Superior Politécnica de Chimborazo (ESPOCH), Riobamba 060155, Ecuador
| | - Dennys Colcha
- UNICARIBE Research Center, University of Calabria, 87036 Rende, Italy
| | - Yesenia Cevallos
- College of Engineering, Universidad Nacional de Chimborazo, Riobamba 060108, Ecuador
- Universidad San Francisco de Quito IMNE, Diego de Robles s/n, Cumbayá, Quito 170901, Ecuador
| | | | | | - Stefano Bellucci
- INFN-Laboratori Nazionali di Frascati, Via E. Fermi 54, 00044 Frascati, Italy
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6
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Mostufa S, Rezaei B, Ciannella S, Yari P, Gómez-Pastora J, He R, Wu K. Advancements and Perspectives in Optical Biosensors. ACS OMEGA 2024; 9:24181-24202. [PMID: 38882113 PMCID: PMC11170745 DOI: 10.1021/acsomega.4c01872] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 05/10/2024] [Accepted: 05/14/2024] [Indexed: 06/18/2024]
Abstract
Optical biosensors exhibit immense potential, offering extraordinary possibilities for biosensing due to their high sensitivity, reusability, and ultrafast sensing capabilities. This review provides a concise overview of optical biosensors, encompassing various platforms, operational mechanisms, and underlying physics, and it summarizes recent advancements in the field. Special attention is given to plasmonic biosensors and metasurface-based biosensors, emphasizing their significant performance in bioassays and, thus, their increasing attraction in biosensing research, positioning them as excellent candidates for lab-on-chip and point-of-care devices. For plasmonic biosensors, we emphasize surface plasmon resonance (SPR) and its subcategories, along with localized surface plasmon resonance (LSPR) devices and surface enhance Raman spectroscopy (SERS), highlighting their ability to perform diverse bioassays. Additionally, we discuss recently emerged metasurface-based biosensors. Toward the conclusion of this review, we address current challenges, opportunities, and prospects in optical biosensing. Considering the advancements and advantages presented by optical biosensors, it is foreseeable that they will become a robust and widespread platform for early disease diagnostics.
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Affiliation(s)
- Shahriar Mostufa
- Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, Texas 79409, United States
| | - Bahareh Rezaei
- Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, Texas 79409, United States
| | - Stefano Ciannella
- Department of Chemical Engineering, Texas Tech University, Lubbock, Texas 79409, United States
| | - Parsa Yari
- Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, Texas 79409, United States
| | - Jenifer Gómez-Pastora
- Department of Chemical Engineering, Texas Tech University, Lubbock, Texas 79409, United States
| | - Rui He
- Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, Texas 79409, United States
| | - Kai Wu
- Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, Texas 79409, United States
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7
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Mondal HS, Hossain MZ, Birbilis N. A selective LSPR biosensor for molecular-level glycated albumin detection. Heliyon 2023; 9:e22795. [PMID: 38125431 PMCID: PMC10731091 DOI: 10.1016/j.heliyon.2023.e22795] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 11/05/2023] [Accepted: 11/20/2023] [Indexed: 12/23/2023] Open
Abstract
A biosensor specifically engineered to detect glycated albumin (GA), a critical biomarker for diabetes monitoring, is presented. Unlike conventional GA monitoring methods, the biosensor herein uniquely employs localised surface plasmon resonance (LSPR) for signal transduction, leveraging a novel fabrication process where gold nanoparticles are deposited on a quartz substrate using flame spray pyrolysis. This enables the biosensor to provide mean glucose levels over a three-week period, correlating with the glycation status of diabetes patients. The sensor's DNA aptamer conjugation selectively binds GA, inducing a plasmonic wavelength shift; resulting in a detection limit of 0.1 μM, well within the human GA range of 20-240 μM. Selectivity experiments with diverse molecules and an exploration of sensor reusability were carried out with positive results. The novelty of the biosensor presented includes specificity, sensitivity and practical applicability; which is promising for enhanced diabetes diagnosis using a rapid and inexpensive process.
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Affiliation(s)
- Himadri Shekhar Mondal
- School of Engineering, ANU College of Engineering, Computing and Cybernetics, The Australian National University, Canberra, ACT 2601, Australia
| | - Md Zakir Hossain
- School of Engineering, ANU College of Engineering, Computing and Cybernetics, The Australian National University, Canberra, ACT 2601, Australia
- School of Electrical Engineering, Computing and Mathematical Sciences, Curtin University, Bentley, WA 6102, Australia
| | - Nick Birbilis
- School of Engineering, ANU College of Engineering, Computing and Cybernetics, The Australian National University, Canberra, ACT 2601, Australia
- Faculty of Science, Engineering and Built Environment, Deakin University, Waurn Ponds, VIC 3261, Australia
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8
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Lin TZ, Chen CH, Lei YP, Huang CS. Gradient Guided-Mode Resonance Biosensor with Smartphone Readout. BIOSENSORS 2023; 13:1006. [PMID: 38131766 PMCID: PMC10741440 DOI: 10.3390/bios13121006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 11/24/2023] [Accepted: 11/28/2023] [Indexed: 12/23/2023]
Abstract
Integrating biosensors with smartphones is becoming an increasingly popular method for detecting various biomolecules and could replace expensive laboratory-based instruments. In this work, we demonstrate a novel smartphone-based biosensor system with a gradient grating period guided-mode resonance (GGP-GMR) sensor. The sensor comprises numerous gratings which each correspond to and block the light of a specific resonant wavelength. This results in a dark band, which is observed using a CCD underneath the GGP-GMR sensor. By monitoring the shift in the dark band, the concentration of a molecule in a sample can be determined. The sensor is illuminated by a light-emitting diode, and the light transmitted through the GGP-GMR sensor is directly captured by a smartphone, which then displays the results. Experiments were performed to validate the proposed smartphone biosensor and a limit of detection (LOD) of 1.50 × 10-3 RIU was achieved for sucrose solutions. Additionally, multiplexed detection was demonstrated for albumin and creatinine solutions at concentrations of 0-500 and 0-1 mg/mL, respectively; the corresponding LODs were 1.18 and 20.56 μg/mL.
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Affiliation(s)
| | | | | | - Cheng-Sheng Huang
- Department of Mechanical Engineering, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan; (T.-Z.L.); (C.-H.C.); (Y.-P.L.)
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9
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He Z, Zhang HY, Du X, Yu X, Han J, Cao L, Lin H, Wang J, Zheng C, Tao S. A high-performance dual-functional organic upconversion device with detectivity approaching 10 13 Jones and photon-to-photon efficiency over 20. MATERIALS HORIZONS 2023; 10:5950-5961. [PMID: 37882244 DOI: 10.1039/d3mh01337e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2023]
Abstract
Organic upconversion devices (UCDs) are a cutting-edge technology and hot topic because of their advantages of low cost and convenience in the important applications of near-infrared (NIR) detection and imaging. However, to realize utilization of triplet excitons (T1), previous UCDs have the drawback of heavily relying on toxic and costly heavy-metal-doped emitters. More importantly, due to poor performance of the detecting unit and/or emitting unit, improving their detectivity (D*) and photon-to-photon conversion efficiency (ηp-p) is still a challenge for real applications. Here, we report a high-performance dual-functional purely organic UCD that has an outstanding D* approaching 1013 Jones and a high ηp-p of 20.1% in the NIR region, which are some of the highest values among those reported for UCDs. The high performance is credited to the excellent D* of the detecting unit, exceeding 1014 Jones, and is also attributed to efficient T1 utilization via a dual reverse intersystem crossing channel and high optical out coupling achieved via a high horizontal dipole ratio in the emitting unit. The high D* and ηp-p enable the UCD to detect 850 nm light at as little as 0.29 μW cm-2 and with a high display contrast of over 70 000 : 1, significantly improving the potential of practical applications of UCDs in NIR detection and imaging. Furthermore, a fast rise time and fall time of 8.9 and 14.8 μs are also achieved. Benefiting from the high performance, consequent applications of low-power pulse-state monitoring and fine-structure bio-imaging are successfully realized with high quality results by using our organic UCDs. These results demonstrate that our design not only eliminates dependence of UCDs on heavy-metal emitters, but also takes their performance and applications to a high level.
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Affiliation(s)
- Zeyu He
- School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, No. 2006, Xiyuan Ave, West Hi-Tech Zone, Chengdu 610054, P. R. China.
| | - Heng-Yuan Zhang
- School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, No. 2006, Xiyuan Ave, West Hi-Tech Zone, Chengdu 610054, P. R. China.
| | - Xiaoyang Du
- School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, No. 2006, Xiyuan Ave, West Hi-Tech Zone, Chengdu 610054, P. R. China.
| | - Xin Yu
- School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, No. 2006, Xiyuan Ave, West Hi-Tech Zone, Chengdu 610054, P. R. China.
| | - Jiayue Han
- School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, No. 2006, Xiyuan Ave, West Hi-Tech Zone, Chengdu 610054, P. R. China.
- State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Luye Cao
- School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, No. 2006, Xiyuan Ave, West Hi-Tech Zone, Chengdu 610054, P. R. China.
| | - Hui Lin
- School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, No. 2006, Xiyuan Ave, West Hi-Tech Zone, Chengdu 610054, P. R. China.
| | - Jun Wang
- School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, No. 2006, Xiyuan Ave, West Hi-Tech Zone, Chengdu 610054, P. R. China.
- State Key Laboratory of Electronic Thin Films and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, China
| | - Caijun Zheng
- School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, No. 2006, Xiyuan Ave, West Hi-Tech Zone, Chengdu 610054, P. R. China.
| | - Silu Tao
- School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, No. 2006, Xiyuan Ave, West Hi-Tech Zone, Chengdu 610054, P. R. China.
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10
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Kumela AG, Gemta AB, Hordofa AK, Birhanu R, Mekonnen HD, Sherefedin U, Weldegiorgis K. A review on hybridization of plasmonic and photonic crystal biosensors for effective cancer cell diagnosis. NANOSCALE ADVANCES 2023; 5:6382-6399. [PMID: 38024311 PMCID: PMC10662028 DOI: 10.1039/d3na00541k] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/20/2023] [Accepted: 11/01/2023] [Indexed: 12/01/2023]
Abstract
Cancer causes one in six deaths worldwide, and 1.6 million cancer patients face annual out-of-pocket medical expenditures. In response to these, portable, label-free, highly sensitive, specific, and responsive optical biosensors are under development. Therefore, in this review, the recent advances, advantages, performance analysis, and current challenges associated with the fabrication of plasmonic biosensors, photonic crystals, and the hybridization of both for cancer diagnosis are assessed. The primary focus is on the development of biosensors that combine different shapes, sizes, and optical properties of metallic and dielectric nanoparticles with various coupling techniques. The latter part discusses the challenges and prospects of developing effective biosensors for early cancer diagnosis using dielectric and metallic nanoparticles. These data will help the audience advance research and development of next-generation plasmonic biosensors for effective cancer diagnosis.
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Affiliation(s)
- Alemayehu Getahun Kumela
- Department of Applied Physics, School of Applied Natural Sciences, Adama Science and Technology University Adama Ethiopia
| | - Abebe Belay Gemta
- Department of Applied Physics, School of Applied Natural Sciences, Adama Science and Technology University Adama Ethiopia
| | - Alemu Kebede Hordofa
- Department of Applied Physics, School of Applied Natural Sciences, Adama Science and Technology University Adama Ethiopia
| | - Ruth Birhanu
- Department of Applied Physics, School of Applied Natural Sciences, Adama Science and Technology University Adama Ethiopia
| | - Habtamu Dagnaw Mekonnen
- Department of Applied Physics, School of Applied Natural Sciences, Adama Science and Technology University Adama Ethiopia
| | - Umer Sherefedin
- Department of Applied Physics, School of Applied Natural Sciences, Adama Science and Technology University Adama Ethiopia
| | - Kinfe Weldegiorgis
- Department of Applied Physics, School of Natural and Computational Sciences, Bule Hora University Bule Hora Ethiopia
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11
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Zhang Z, Liu P, Lu W, Bai P, Zhang B, Chen Z, Maier SA, Gómez Rivas J, Wang S, Li X. High-Q collective Mie resonances in monocrystalline silicon nanoantenna arrays for the visible light. FUNDAMENTAL RESEARCH 2023; 3:822-830. [PMID: 39659449 PMCID: PMC11630676 DOI: 10.1016/j.fmre.2022.05.020] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 05/06/2022] [Accepted: 05/10/2022] [Indexed: 11/23/2022] Open
Abstract
Dielectric optical antennas have emerged as a promising nanophotonic architecture for manipulating the propagation and localization of light. However, the optically induced Mie resonances in an isolated nanoantenna are normally with broad spectra and poor Q -factors, limiting their performances in sensing, lasing, and nonlinear optics. Here, we dramatically enhance the Q -factors of Mie resonances in silicon (Si) nanoparticles across the optical band by arranging the nanoparticles in a periodic lattice. We select monocrystalline Si with negligible material losses and develop a unique method to fabricate nanoparticle arrays on a quartz substrate. By extinction dispersion measurements and electromagnetic analysis, we can identify three types of collective Mie resonances with Q -factors ∼ 500 in the same nanocylinder arrays, including surface lattice resonances, bound states in the continuum, and quasi-guided modes. Our work paves the way for fundamental research in strong light-matter interactions and the design of highly efficient light-emitting metasurfaces.
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Affiliation(s)
- Zhenghe Zhang
- School of Optoelectronic Science and Engineering & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215006, China
- Key Lab of Advanced Optical Manufacturing Technologies of Jiangsu Province & Key Lab of Modern Optical Technologies of Education Ministry of China, Soochow University, Suzhou 215006, China
| | - Pengbo Liu
- School of Optoelectronic Science and Engineering & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215006, China
- Key Lab of Advanced Optical Manufacturing Technologies of Jiangsu Province & Key Lab of Modern Optical Technologies of Education Ministry of China, Soochow University, Suzhou 215006, China
| | - Wanli Lu
- School of Materials Science and Physics, China University of Mining and Technology, Xuzhou 221116, China
| | - Ping Bai
- Department of Applied Physics and Institute for Photonic Integration, Eindhoven University of Technology, 5612 AE Eindhoven, The Netherlands
| | - Bingchang Zhang
- School of Optoelectronic Science and Engineering & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215006, China
- Key Lab of Advanced Optical Manufacturing Technologies of Jiangsu Province & Key Lab of Modern Optical Technologies of Education Ministry of China, Soochow University, Suzhou 215006, China
| | - Zefeng Chen
- School of Optoelectronic Science and Engineering & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215006, China
- Key Lab of Advanced Optical Manufacturing Technologies of Jiangsu Province & Key Lab of Modern Optical Technologies of Education Ministry of China, Soochow University, Suzhou 215006, China
| | - Stefan A. Maier
- School of Physics and Astronomy, Monash University, Clayton, Victoria 3800, Australia
- Department of Physics, Imperial College London, London SW7 2AZ, UK
- Chair in Hybrid Nanosystems, Nanointitute Munich, Faculty of Physics, Ludwig-Maximilians Universitaet Muenchen, Muenchen 80539, Germany
| | - Jaime Gómez Rivas
- Department of Applied Physics and Institute for Photonic Integration, Eindhoven University of Technology, 5612 AE Eindhoven, The Netherlands
| | - Shaojun Wang
- School of Optoelectronic Science and Engineering & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215006, China
- Key Lab of Advanced Optical Manufacturing Technologies of Jiangsu Province & Key Lab of Modern Optical Technologies of Education Ministry of China, Soochow University, Suzhou 215006, China
| | - Xiaofeng Li
- School of Optoelectronic Science and Engineering & Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou 215006, China
- Key Lab of Advanced Optical Manufacturing Technologies of Jiangsu Province & Key Lab of Modern Optical Technologies of Education Ministry of China, Soochow University, Suzhou 215006, China
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12
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Han W, Reiter S, Schlipf J, Mai C, Spirito D, Jose J, Wenger C, Fischer IA. Strongly enhanced sensitivities of CMOS compatible plasmonic titanium nitride nanohole arrays for refractive index sensing under oblique incidence. OPTICS EXPRESS 2023; 31:17389-17407. [PMID: 37381475 DOI: 10.1364/oe.481993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Accepted: 02/28/2023] [Indexed: 06/30/2023]
Abstract
Titanium nitride (TiN) is a complementary metal-oxide-semiconductor (CMOS) compatible material with large potential for the fabrication of plasmonic structures suited for device integration. However, the comparatively large optical losses can be detrimental for application. This work reports a CMOS compatible TiN nanohole array (NHA) on top of a multilayer stack for potential use in integrated refractive index sensing with high sensitivities at wavelengths between 800 and 1500 nm. The stack, consisting of the TiN NHA on a silicon dioxide (SiO2) layer with Si as substrate (TiN NHA/SiO2/Si), is prepared using an industrial CMOS compatible process. The TiN NHA/SiO2/Si shows Fano resonances in reflectance spectra under oblique excitation, which are well reproduced by simulation using both finite difference time domain (FDTD) and rigorous coupled-wave analysis (RCWA) methods. The sensitivities derived from spectroscopic characterizations increase with the increasing incident angle and match well with the simulated sensitivities. Our systematic simulation-based investigation of the sensitivity of the TiN NHA/SiO2/Si stack under varied conditions reveals that very large sensitivities up to 2305 nm per refractive index unit (nm RIU-1) are predicted when the refractive index of superstrate is similar to that of the SiO2 layer. We analyze in detail how the interplay between plasmonic and photonic resonances such as surface plasmon polaritons (SPPs), localized surface plasmon resonances (LSPRs), Rayleigh Anomalies (RAs), and photonic microcavity modes (Fabry-Pérot resonances) contributes to this result. This work not only reveals the tunability of TiN nanostructures for plasmonic applications but also paves the way to explore efficient devices for sensing in broad conditions.
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13
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Wen L, Sun Z, Zheng Q, Nan X, Lou Z, Liu Z, Cumming DRS, Li B, Chen Q. On-chip ultrasensitive and rapid hydrogen sensing based on plasmon-induced hot electron-molecule interaction. LIGHT, SCIENCE & APPLICATIONS 2023; 12:76. [PMID: 36944614 PMCID: PMC10030554 DOI: 10.1038/s41377-023-01123-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 02/26/2023] [Accepted: 02/28/2023] [Indexed: 06/18/2023]
Abstract
Hydrogen energy is a zero-carbon replacement for fossil fuels. However, hydrogen is highly flammable and explosive hence timely sensitive leak detection is crucial. Existing optical sensing techniques rely on complex instruments, while electrical sensing techniques usually operate at high temperatures and biasing condition. In this paper an on-chip plasmonic-catalytic hydrogen sensing concept with a concentration detection limit down to 1 ppm is presented that is based on a metal-insulator-semiconductor (MIS) nanojunction operating at room temperature and zero bias. The sensing signal of the device was enhanced by three orders of magnitude at a one-order of magnitude higher response speed compared to alternative non-plasmonic devices. The excellent performance is attributed to the hydrogen induced interfacial dipole charge layer and the associated plasmonic hot electron modulated photoelectric response. Excellent agreements were achieved between experiment and theoretical calculations based on a quantum tunneling model. Such an on-chip combination of plasmonic optics, photoelectric detection and photocatalysis offers promising strategies for next-generation optical gas sensors that require high sensitivity, low time delay, low cost, high portability and flexibility.
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Affiliation(s)
- Long Wen
- Guangdong Provincial Key Laboratory of Nanophotonic Manipulation, Institute of Nanophotonics, Jinan University, 511443, Guangzhou, China
| | - Zhiwei Sun
- Guangdong Provincial Key Laboratory of Nanophotonic Manipulation, Institute of Nanophotonics, Jinan University, 511443, Guangzhou, China
| | - Qilin Zheng
- Guangdong Provincial Key Laboratory of Nanophotonic Manipulation, Institute of Nanophotonics, Jinan University, 511443, Guangzhou, China
| | - Xianghong Nan
- Guangdong Provincial Key Laboratory of Nanophotonic Manipulation, Institute of Nanophotonics, Jinan University, 511443, Guangzhou, China
| | - Zaizhu Lou
- Guangdong Provincial Key Laboratory of Nanophotonic Manipulation, Institute of Nanophotonics, Jinan University, 511443, Guangzhou, China
| | - Zhong Liu
- College of Life Science and Technology, Jinan University, 510632, Guangzhou, China
| | | | - Baojun Li
- Guangdong Provincial Key Laboratory of Nanophotonic Manipulation, Institute of Nanophotonics, Jinan University, 511443, Guangzhou, China
| | - Qin Chen
- Guangdong Provincial Key Laboratory of Nanophotonic Manipulation, Institute of Nanophotonics, Jinan University, 511443, Guangzhou, China.
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14
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Li X, Wang N, Wang F, Liu J, Shi Y, Jiang J, Liu H, Li M, Zhang L, Zhang W, Zhao Y, Zhang L, Huang C. A parylene-mediated plasmonic-photonic hybrid fiber-optic sensor and its instrumentation for miniaturized and self-referenced biosensing. Analyst 2023; 148:1672-1681. [PMID: 36939193 DOI: 10.1039/d3an00028a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
Abstract
With the development of advanced nanofabrication techniques over the past decades, different nanostructure-based plasmonic fiber-optic sensors have been developed and have presented a low limit of detection for various biomolecules. However, owing to both the dependence on complex equipment and the trade-off between the fabrication cost and sensing performance, nanostructured plasmonic fiber-optic sensors are rarely used outside laboratories. To facilitate wider application of the plasmonic fiber-optic sensors, a parylene-mediated hybrid plasmonic-photonic cavity-based sensor was developed. Compared with a similar plasmonic sensor which only works in the plasmonic mode, the proposed hybrid sensor shows a higher reproducibility (CV < 2.5%) due to its resistance to fabrication variations. Meanwhile, a self-referenced detection mechanism and a novel miniaturized system were developed to adapt to the hybrid resonance sensor. The entire system only has a weight of 263 g, and a size of 12 cm × 10 cm × 8 cm, and is especially suitable for outdoor applications in a handheld manner. In experiments, a high refractive index sensitivity of 3.148 RIU-1 and real-time biomolecule monitoring at nanomolar concentrations were achieved by the proposed system, further confirming the potential of the miniaturized system as a candidate for point-of-care health diagnostics outside laboratories.
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Affiliation(s)
- Xin Li
- Institute of Microelectronics of the Chinese Academy of Sciences, Beijing, 100029, China. .,University of Chinese Academy of Sciences, Beijing, 100049, China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Nanxi Wang
- Institute of Microelectronics of the Chinese Academy of Sciences, Beijing, 100029, China. .,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Fei Wang
- Institute of Microelectronics of the Chinese Academy of Sciences, Beijing, 100029, China. .,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jinlong Liu
- Institute of Microelectronics of the Chinese Academy of Sciences, Beijing, 100029, China. .,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yimin Shi
- Institute of Microelectronics of the Chinese Academy of Sciences, Beijing, 100029, China. .,University of Chinese Academy of Sciences, Beijing, 100049, China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Jiahong Jiang
- Institute of Microelectronics of the Chinese Academy of Sciences, Beijing, 100029, China.
| | - Hongyao Liu
- Institute of Microelectronics of the Chinese Academy of Sciences, Beijing, 100029, China.
| | - Mingxiao Li
- Institute of Microelectronics of the Chinese Academy of Sciences, Beijing, 100029, China.
| | - Lina Zhang
- Department of Cellular and Molecular Biology, Beijing Chest Hospital, Capital Medical University, Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing, 101149, China
| | - Wenchang Zhang
- Institute of Microelectronics of the Chinese Academy of Sciences, Beijing, 100029, China.
| | - Yang Zhao
- Institute of Microelectronics of the Chinese Academy of Sciences, Beijing, 100029, China.
| | - Lingqian Zhang
- Institute of Microelectronics of the Chinese Academy of Sciences, Beijing, 100029, China.
| | - Chengjun Huang
- Institute of Microelectronics of the Chinese Academy of Sciences, Beijing, 100029, China. .,University of Chinese Academy of Sciences, Beijing, 100049, China.,School of Future Technology, University of Chinese Academy of Sciences, Beijing, 100049, China
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15
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Zheng Y, Song X, Fredj Z, Bian S, Sawan M. Challenges and perspectives of multi-virus biosensing techniques: A review. Anal Chim Acta 2023; 1244:340860. [PMID: 36737150 PMCID: PMC9868144 DOI: 10.1016/j.aca.2023.340860] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 01/17/2023] [Accepted: 01/18/2023] [Indexed: 01/24/2023]
Abstract
In the context of globalization, individuals have an increased chance of being infected by multiple viruses simultaneously, thereby highlighting the importance of developing multiplexed devices. In addition to sufficient sensitivity and rapid response, multi-virus sensing techniques are expected to offer additional advantages including high throughput, one-time sampling for parallel analysis, and full automation with data visualization. In this paper, we review the optical, electrochemical, and mechanical platforms that enable multi-virus biosensing. The working mechanisms of each platform, including the detection principle, transducer configuration, bio-interface design, and detected signals, are reviewed. The advantages and limitations, as well as the challenges in implementing various detection strategies in real-life scenarios, were evaluated. Future perspectives on multiplexed biosensing techniques are critically discussed. Earlier access to multi-virus biosensors will efficiently serve for immediate pandemic control, such as in emerging SARS-CoV-2 and monkeypox cases.
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Affiliation(s)
- Yuqiao Zheng
- Zhejiang University, Hangzhou, 310058, Zhejiang, China,Research Center for Industries of the Future, Westlake University, Hangzhou, Zhejiang, 310030, China
| | - Xixi Song
- Research Center for Industries of the Future, Westlake University, Hangzhou, Zhejiang, 310030, China
| | - Zina Fredj
- Research Center for Industries of the Future, Westlake University, Hangzhou, Zhejiang, 310030, China
| | - Sumin Bian
- Research Center for Industries of the Future, Westlake University, Hangzhou, Zhejiang, 310030, China.
| | - Mohamad Sawan
- Research Center for Industries of the Future, Westlake University, Hangzhou, Zhejiang, 310030, China.
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16
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Chen W, Li M, Zhang W, Chen Y. Dual-resonance sensing for environmental refractive index based on quasi-BIC states in all-dielectric metasurface. NANOPHOTONICS (BERLIN, GERMANY) 2023; 12:1147-1157. [PMID: 39634934 PMCID: PMC11501798 DOI: 10.1515/nanoph-2022-0776] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 02/12/2023] [Indexed: 12/07/2024]
Abstract
Metasurface provides a novel way to modulate light energy at specific wavelengths, namely resonances, where there is a sharp drop in the transmission spectrum. Based on the relationship between the resonant position and the environmental condition, various refractive index detection methods have been developed. However, the resonance spectrum is strongly affected by the environmental and instrumental fluctuations, and current researches usually focus on the improvement of a single sensing performance metric, such as the Q factor, sensitivity, detection range, etc. In this work, we proposed an all-dielectric metasurface for environmental refractive index sensing based on quasi-BIC with an enhanced stability, simultaneously taken into account an enlarged detection range, a high Q factor and a relatively high sensitivity. With this designed metasurface, dual-resonance sensing is realized because the interval between the two resonance peaks in the transmission spectrum decreases near linearly with the environmental refractive index. We experimentally demonstrated that compared to traditional single-resonance sensing, the errors caused by environmental and instrumental fluctuations can be minimized, and the stability can be improved. This metasurface has great potential for applications such as refractive index sensing, concentration detection, biomacromolecule identification, and cancerous cell screening.
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Affiliation(s)
- Wenjie Chen
- Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei230027, China
- Key Laboratory of Precision Scientific Instrumentation of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei230027, China
| | - Ming Li
- Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei230027, China
- Key Laboratory of Precision Scientific Instrumentation of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei230027, China
| | - Wenhao Zhang
- Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei230027, China
- Key Laboratory of Precision Scientific Instrumentation of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei230027, China
| | - Yuhang Chen
- Department of Precision Machinery and Precision Instrumentation, University of Science and Technology of China, Hefei230027, China
- Key Laboratory of Precision Scientific Instrumentation of Anhui Higher Education Institutes, University of Science and Technology of China, Hefei230027, China
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17
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Bhalla N, Payam AF. Addressing the Silent Spread of Monkeypox Disease with Advanced Analytical Tools. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023; 19:e2206633. [PMID: 36517107 DOI: 10.1002/smll.202206633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Indexed: 06/17/2023]
Abstract
Monkeypox disease is caused by a virus which belongs to the orthopoxvirus genus of the poxviridae family. This disease has recently spread out to several non-endemic countries. While some cases have been linked to travel from endemic regions, more recent infections are thought to have spread in the community without any travel links, raising the risks of a wider outbreak. This state of public health represents a highly unusual event which requires urgent surveillance. In this context, the opportunities and technological challenges of current bio/chemical sensors, nanomaterials, nanomaterial characterization instruments, and artificially intelligent biosystems collectively called "advanced analytical tools" are reviewed here, which will allow early detection, characterization, and inhibition of the monkeypox virus (MPXV) in the community and limit its expansion from endemic to pandemic. A summary of background information is also provided from biological and epidemiological perspective of monkeypox to support the scientific case for its holistic management using advanced analytical tools.
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Affiliation(s)
- Nikhil Bhalla
- Nanotechnology and Integrated Bioengineering Centre (NIBEC), School of Engineering, Ulster University, York St., BT15 1ED Belfast, Northern Ireland, UK
- Healthcare Technology Hub, Ulster University, York St., BT15 1ED Belfast, Northern Ireland, UK
| | - Amir Farokh Payam
- Nanotechnology and Integrated Bioengineering Centre (NIBEC), School of Engineering, Ulster University, York St., BT15 1ED Belfast, Northern Ireland, UK
- Healthcare Technology Hub, Ulster University, York St., BT15 1ED Belfast, Northern Ireland, UK
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18
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Dey S, Dolci M, Zijlstra P. Single-Molecule Optical Biosensing: Recent Advances and Future Challenges. ACS PHYSICAL CHEMISTRY AU 2023; 3:143-156. [PMID: 36968450 PMCID: PMC10037498 DOI: 10.1021/acsphyschemau.2c00061] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Revised: 12/22/2022] [Accepted: 12/22/2022] [Indexed: 01/13/2023]
Abstract
In recent years, the sensitivity and specificity of optical sensors has improved tremendously due to improvements in biochemical functionalization protocols and optical detection systems. As a result, single-molecule sensitivity has been reported in a range of biosensing assay formats. In this Perspective, we summarize optical sensors that achieve single-molecule sensitivity in direct label-free assays, sandwich assays, and competitive assays. We describe the advantages and disadvantages of single-molecule assays and summarize future challenges in the field including their optical miniaturization and integration, multimodal sensing capabilities, accessible time scales, and compatibility with real-life matrices such as biological fluids. We conclude by highlighting the possible application areas of optical single-molecule sensors that include not only healthcare but also the monitoring of the environment and industrial processes.
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Affiliation(s)
- Swayandipta Dey
- Eindhoven University of Technology, Department of Applied Physics, Eindhoven 5600 MB, The Netherlands
- Institute for Complex Molecular Systems, Eindhoven, 5600 MB, The Netherlands
- Eindhoven Hendrik Casimir Institute, Eindhoven, 5600 MB, The Netherlands
| | - Mathias Dolci
- Eindhoven University of Technology, Department of Applied Physics, Eindhoven 5600 MB, The Netherlands
- Institute for Complex Molecular Systems, Eindhoven, 5600 MB, The Netherlands
- Eindhoven Hendrik Casimir Institute, Eindhoven, 5600 MB, The Netherlands
| | - Peter Zijlstra
- Eindhoven University of Technology, Department of Applied Physics, Eindhoven 5600 MB, The Netherlands
- Institute for Complex Molecular Systems, Eindhoven, 5600 MB, The Netherlands
- Eindhoven Hendrik Casimir Institute, Eindhoven, 5600 MB, The Netherlands
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19
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Ertsgaard CT, Kim M, Choi J, Oh SH. Wireless dielectrophoresis trapping and remote impedance sensing via resonant wireless power transfer. Nat Commun 2023; 14:103. [PMID: 36609514 PMCID: PMC9821345 DOI: 10.1038/s41467-022-35777-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 12/22/2022] [Indexed: 01/07/2023] Open
Abstract
Nearly all biosensing platforms can be described using two fundamental steps-collection and detection. Target analytes must be delivered to a sensing element, which can then relay the transduced signal. For point-of-care technologies, where operation is to be kept simple, typically the collection step is passive diffusion driven-which can be slow or limiting under low concentrations. This work demonstrates an integration of both active collection and detection by using resonant wireless power transfer coupled to a nanogap capacitor. Nanoparticles suspended in deionized water are actively trapped using wireless dielectrophoresis and positioned within the most sensitive fringe field regions for wireless impedance-based detection. Trapping of 40 nm particles and larger is demonstrated using a 3.5 VRMS, 1 MHz radiofrequency signal delivered over a distance greater than 8 cm from the nanogap capacitor. Wireless trapping and release of 1 µm polystyrene beads is simultaneously detected in real-time over a distance of 2.5 cm from the nanogap capacitor. Herein, geometric scaling strategies coupled with optimal circuit design is presented to motivate combined collection and detection biosensing platforms amenable to wireless and/or smartphone operation.
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Affiliation(s)
- Christopher T Ertsgaard
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Minki Kim
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Jungwon Choi
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN, 55455, USA
| | - Sang-Hyun Oh
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN, 55455, USA.
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20
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Ma SC, Gupta R, Ondevilla NAP, Barman K, Lee LY, Chang HC, Huang JJ. Voltage-modulated surface plasmon resonance biosensors integrated with gold nanohole arrays. BIOMEDICAL OPTICS EXPRESS 2023; 14:182-193. [PMID: 36698656 PMCID: PMC9842002 DOI: 10.1364/boe.478164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 12/01/2022] [Accepted: 12/01/2022] [Indexed: 06/17/2023]
Abstract
Surface plasmon resonance (SPR) has emerged as one of the most efficient and attractive techniques for optical sensors in biological applications. The traditional approach of an EC (electrochemical)-SPR biosensor to generate SPR is by adopting a prism underneath the sensing substrate, and an angular scan is performed to characterize the reflectivity of target analytes. In this paper, we designed and investigated a novel optical biosensor based on a hybrid plasmonic and electrochemical phenomenon. The SPR was generated from a thin layer of gold nanohole array on a glass substrate. Using C-Reactive Protein (CRP) as the target analyte, we tested our device for different concentrations and observed the optical response under various voltage bias conditions. We observed that SPR response is concentration-dependent and can be modulated by varying DC voltages or AC bias frequencies. For CRP concentrations ranging from 1 to 1000 µg/mL, at the applied voltage of -600 mV, we obtained a limit of detection for this device of 16.5 ng/mL at the resonance peak wavelength of 690 nm. The phenomenon is due to spatial re-distribution of electron concentration at the metal-solution interface. The results suggest that CRP concentration can be determined from the SPR peak wavelength shift by scanning the voltages. The proposed new sensor structure is permissible for various future optoelectronic integration for plasmonic and electrochemical sensing.
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Affiliation(s)
- Syu-Cing Ma
- Graduate Institute of Photonics and Optoelectronics, National Taiwan University, Taipei, Taiwan
- Contributed equally
| | - Rohit Gupta
- Graduate Institute of Photonics and Optoelectronics, National Taiwan University, Taipei, Taiwan
- Contributed equally
| | | | - Kuntal Barman
- Graduate Institute of Photonics and Optoelectronics, National Taiwan University, Taipei, Taiwan
| | - Liang-Yun Lee
- Graduate Institute of Photonics and Optoelectronics, National Taiwan University, Taipei, Taiwan
| | - Hsien-Chang Chang
- Department of Biomedical Engineering, National Cheng Kung University, Tainan, Taiwan
- Medical Device Innovation Center, National Cheng Kung University, Tainan, Taiwan
| | - Jian-Jang Huang
- Graduate Institute of Photonics and Optoelectronics, National Taiwan University, Taipei, Taiwan
- Department of Electrical Engineering, National Taiwan University, Taipei, Taiwan
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21
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Kim K, Lee WG. Portable, Automated and Deep-Learning-Enabled Microscopy for Smartphone-Tethered Optical Platform Towards Remote Homecare Diagnostics: A Review. SMALL METHODS 2023; 7:e2200979. [PMID: 36420919 DOI: 10.1002/smtd.202200979] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 10/18/2022] [Indexed: 06/16/2023]
Abstract
Globally new pandemic diseases induce urgent demands for portable diagnostic systems to prevent and control infectious diseases. Smartphone-based portable diagnostic devices are significantly efficient tools to user-friendly connect personalized health conditions and collect valuable optical information for rapid diagnosis and biomedical research through at-home screening. Deep learning algorithms for portable microscopes also help to enhance diagnostic accuracy by reducing the imaging resolution gap between benchtop and portable microscopes. This review highlighted recent progress and continued efforts in a smartphone-tethered optical platform through portable, automated, and deep-learning-enabled microscopy for personalized diagnostics and remote monitoring. In detail, the optical platforms through smartphone-based microscopes and lens-free holographic microscopy are introduced, and deep learning-based portable microscopic imaging is explained to improve the image resolution and accuracy of diagnostics. The challenges and prospects of portable optical systems with microfluidic channels and a compact microscope to screen COVID-19 in the current pandemic are also discussed. It has been believed that this review offers a novel guide for rapid diagnosis, biomedical imaging, and digital healthcare with low cost and portability.
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Affiliation(s)
- Kisoo Kim
- Intelligent Optical Module Research Center, Korea Photonics Technology Institute (KOPTI), Buk-gu, Gwangju, 61007, Republic of Korea
| | - Won Gu Lee
- Department of Mechanical Engineering, Kyung Hee University, Yongin, 17104, Republic of Korea
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22
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Palinski TJ, Guan B, Bradshaw-Hajek BH, Lienhard MA, Priest C, Miranda FA. Reversible colorimetric sensing of volatile analytes by wicking in close proximity to a photonic film. RSC Adv 2022; 12:36150-36157. [PMID: 36545087 PMCID: PMC9756422 DOI: 10.1039/d2ra06740d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Accepted: 11/17/2022] [Indexed: 12/23/2022] Open
Abstract
Isolation of volatile analytes from environmental or biological fluids is a rate-determining step that can delay the response time for continuous sensing. In this paper, we demonstrate a colorimetric sensing system that enables the rapid detection of gas-phase analytes released from a flowing micro-volume fluid sample. The sensor platform is an analyte-responsive metal-insulator-metal (MIM) thin-film structure integrated with a large area quartz micropillar array. This allows precise planar alignment and microscale separation (310 μm) of the optical and fluidic structures. This configuration offers rapid and homogeneous color changes over large areas that permits detection by low-resolution optics or eye, which is well-suited to portable/wearable devices. For our proof-of-principle demonstration, we utilized a poly(methyl methacrylate) (PMMA) spacer and evaluated the sensor's response (color change) to ethanol vapor. We show that the RGB color value is quantitatively linked to the spacer swelling, which is reversible and repeatable. The optofluidic platform reduces the sensor response time from minutes to seconds compared with experiments using a conventional chamber. The sensor's concentration-dependent response was examined, confirming the potential of the reported sensing platform for continuous, compact, and quantitative colorimetric analysis of volatile analytes in low-volume samples, such as biofluids.
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Affiliation(s)
- Timothy J Palinski
- Communications & Intelligent Systems Division, NASA Glenn Research Center Cleveland Ohio 44135 USA
| | - Bin Guan
- Future Industries Institute, University of South Australia Mawson Lakes SA 5095 Australia
- UniSA STEM, University of South Australia Mawson Lakes SA 5095 Australia
| | | | - Michael A Lienhard
- Communications & Intelligent Systems Division, NASA Glenn Research Center Cleveland Ohio 44135 USA
| | - Craig Priest
- Future Industries Institute, University of South Australia Mawson Lakes SA 5095 Australia
- UniSA STEM, University of South Australia Mawson Lakes SA 5095 Australia
- Australian National Fabrication Facility - South Australia Node, University of South Australia SA 5095 Australia
| | - Félix A Miranda
- Communications & Intelligent Systems Division, NASA Glenn Research Center Cleveland Ohio 44135 USA
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23
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Negm A, Howlader MMR, Belyakov I, Bakr M, Ali S, Irannejad M, Yavuz M. Materials Perspectives of Integrated Plasmonic Biosensors. MATERIALS (BASEL, SWITZERLAND) 2022; 15:7289. [PMID: 36295354 PMCID: PMC9611134 DOI: 10.3390/ma15207289] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 10/02/2022] [Accepted: 10/13/2022] [Indexed: 06/16/2023]
Abstract
With the growing need for portable, compact, low-cost, and efficient biosensors, plasmonic materials hold the promise to meet this need owing to their label-free sensitivity and deep light-matter interaction that can go beyond the diffraction limit of light. In this review, we shed light on the main physical aspects of plasmonic interactions, highlight mainstream and future plasmonic materials including their merits and shortcomings, describe the backbone substrates for building plasmonic biosensors, and conclude with a brief discussion of the factors affecting plasmonic biosensing mechanisms. To do so, we first observe that 2D materials such as graphene and transition metal dichalcogenides play a major role in enhancing the sensitivity of nanoparticle-based plasmonic biosensors. Then, we identify that titanium nitride is a promising candidate for integrated applications with performance comparable to that of gold. Our study highlights the emerging role of polymer substrates in the design of future wearable and point-of-care devices. Finally, we summarize some technical and economic challenges that should be addressed for the mass adoption of plasmonic biosensors. We believe this review will be a guide in advancing the implementation of plasmonics-based integrated biosensors.
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Affiliation(s)
- Ayman Negm
- Department of Electrical and Computer Engineering, McMaster University, Hamilton, ON L8S 4K1, Canada
- Department of Electronics and Communications Engineering, Cairo University, Giza 12613, Egypt
| | - Matiar M. R. Howlader
- Department of Electrical and Computer Engineering, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Ilya Belyakov
- Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, ON N2L 3G1, Canada
| | - Mohamed Bakr
- Department of Electrical and Computer Engineering, McMaster University, Hamilton, ON L8S 4K1, Canada
| | - Shirook Ali
- Department of Electrical and Computer Engineering, McMaster University, Hamilton, ON L8S 4K1, Canada
- School of Mechanical and Electrical Engineering Technology, Sheridan College, Brampton, ON L6Y 5H9, Canada
| | | | - Mustafa Yavuz
- Waterloo Institute for Nanotechnology, University of Waterloo, Waterloo, ON N2L 3G1, Canada
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Gu P, Lu Y, Li S, Ma C. A Label-Free Fluorescence Aptasensor Based on G-Quadruplex/Thioflavin T Complex for the Detection of Trypsin. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27186093. [PMID: 36144829 PMCID: PMC9503660 DOI: 10.3390/molecules27186093] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 09/16/2022] [Accepted: 09/16/2022] [Indexed: 11/30/2022]
Abstract
A novel, label-free fluorescent assay has been developed for the detection of trypsin by using thioflavin T as a fluorescent probe. A specific DNA aptamer can be combined by adding cytochrome c. Trypsin hydrolyzes the cytochrome c into small peptide fragments, exposing the G-quadruplex part of DNA aptamer, which has a high affinity for thioflavin T, which then enhances the fluorescence intensity. In the absence of trypsin, the fluorescence intensity was inhibited as the combination of cytochrome c and the DNA aptamer impeded thioflavin T’s binding. Thus, the fluorescent biosensor showed a linear relationship from 0.2 to 60 μg/mL with a detection limit of 0.2 μg/mL. Furthermore, the proposed method was also successfully employed for determining trypsin in biological samples. This method is simple, rapid, cheap, and selective and possesses great potential for the detection of trypsin in bioanalytical and biological samples and medical diagnoses.
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25
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Wu M, Li G, Ye X, Zhou B, Zhou J, Cai J. Ultrasensitive Molecular Detection at Subpicomolar Concentrations by the Diffraction Pattern Imaging with Plasmonic Metasurfaces and Convex Holographic Gratings. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2201682. [PMID: 35618447 PMCID: PMC9353501 DOI: 10.1002/advs.202201682] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 05/02/2022] [Indexed: 06/15/2023]
Abstract
Compact and cost-effective optical devices for highly sensitive detection of trace molecules are significant in many applications, including healthcare, pollutant monitoring and explosive detection. Nanophotonic metasurface-based sensors have been intensively attracting attentions for molecular detection. However, conventional methods often involve spectroscopic characterizations that require bulky, expensive and sophisticated spectrometers. Here, a novel ultrasensitive sensor of plasmonic metasurfaces is designed and fabricated for the detection of trace molecules. The sensor features a convex holographic grating, of which the first-order diffraction pattern of a disposable metasurface is recorded by a monochrome camera.The diffraction pattern changes with the molecules attached to the metasurface, realizing label-free and spectrometer-free molecular detection by imaging and analyzing of the diffraction pattern. By integrating the sensor with a microfluidic setup, the quantitative characterization of rabbit anti-human Immunoglobulin G (IgG) and human IgG biomolecular interactions is demonstrated with an excellent limit of detection (LOD) of 0.6 pm. Moreover, both the metasurface and holographic grating are obtained through vacuum-free solution-processed fabrications, minimizing the manufacturing cost of the sensor. A prototype of the imaging-based sensor, consisting of a white light-emitting diode (LED) and a consumer-level imaging sensor is achieved to demonstrate the potential for on-site detection.
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Affiliation(s)
- Mingxi Wu
- School of Biomedical EngineeringSun Yat‐sen UniversityGuangzhou510275China
| | - Guohua Li
- School of Biomedical EngineeringSun Yat‐sen UniversityGuangzhou510275China
| | - Xiangyi Ye
- School of Biomedical EngineeringSun Yat‐sen UniversityGuangzhou510275China
| | - Bin Zhou
- School of Biomedical EngineeringSun Yat‐sen UniversityGuangzhou510275China
| | - Jianhua Zhou
- School of Biomedical EngineeringSun Yat‐sen UniversityGuangzhou510275China
| | - Jingxuan Cai
- School of Biomedical EngineeringSun Yat‐sen UniversityGuangzhou510275China
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26
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Liu Y, He X, Zou J, Ouyang X, Huang C, Yang X, Wang Y. Detection of Carbohydrate Antigen 50 Based on a Novel Miniaturized Chemiluminescence Analyzer Enables Large-Scale Cancer Early Screening in Grassroots Community. Front Bioeng Biotechnol 2022; 10:920972. [PMID: 35875488 PMCID: PMC9302941 DOI: 10.3389/fbioe.2022.920972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 05/27/2022] [Indexed: 11/17/2022] Open
Abstract
Early screening of cancer can effectively prolong survival time and reduce cancer mortality. However, the existing health-monitoring devices can only be carried out in professional laboratories, so large-scale early cancer screening in resource-limited settings is hardly achieved. To embrace the challenge, we developed a novel chemiluminescence immunoassay (CLIA) analyzer that does not require a professional operation. Then, it was applied to detect carbohydrate antigen 50 (CA50), a non–organ-specific tumor marker for screening various cancers. As a result, the analyzer exhibited excellent performance that the total assay time was only 15 min, and the detection limit reached 0.057 U ml−1. A coefficient of variance (CV) less than 15% was well-controlled for both intra- and inter-assay precision, and the linear range was 0–500 U ml−1. More importantly, this analyzer can continuously detect 60 samples per hour without any professional paramedic. Finally, this analyzer has been applied to evaluate clinical samples and the detected results showed a good correlation with the clinical test results (correlation coefficient, 0.9958). These characteristics exactly meet large-scale and high-throughput early screening of cancer. Thus, this miniaturized analyzer for CA50 detection is promising to achieve early large-scale screening of cancer in the resource-limited grassroots community.
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Affiliation(s)
- Yu Liu
- South China University of Technology, Guangzhou, China
| | - Xiaowei He
- South China University of Technology, Guangzhou, China
| | - Jingjing Zou
- South China University of Technology, Guangzhou, China
| | - Xiuyun Ouyang
- South China University of Technology, Guangzhou, China
| | - Chunrong Huang
- National & Local United Engineering Lab of Rapid Diagnostic Test, Guangzhou Wondfo Biotech Co., Ltd., Guangzhou, China
| | - Xiao Yang
- Department of Laboratory Medicine, Guangzhou First People’s Hospital, South China University of Technology, Guangzhou, China
| | - Yu Wang
- South China University of Technology, Guangzhou, China
- Department of Laboratory Medicine, Guangzhou First People’s Hospital, South China University of Technology, Guangzhou, China
- *Correspondence: Yu Wang,
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27
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Using machine learning and an electronic tongue for discriminating saliva samples from oral cavity cancer patients and healthy individuals. Talanta 2022; 243:123327. [DOI: 10.1016/j.talanta.2022.123327] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 02/14/2022] [Accepted: 02/16/2022] [Indexed: 11/20/2022]
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Taha BA, Al-Jubouri Q, Al Mashhadany Y, Zan MSDB, Bakar AAA, Fadhel MM, Arsad N. Photonics enabled intelligence system to identify SARS-CoV 2 mutations. Appl Microbiol Biotechnol 2022; 106:3321-3336. [PMID: 35484414 PMCID: PMC9050350 DOI: 10.1007/s00253-022-11930-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 04/10/2022] [Accepted: 04/12/2022] [Indexed: 12/13/2022]
Abstract
Abstract The COVID-19, MERS-CoV, and SARS-CoV are hazardous epidemics that have resulted in many deaths which caused a worldwide debate. Despite control efforts, SARS-CoV-2 continues to spread, and the fast spread of this highly infectious illness has posed a grave threat to global health. The effect of the SARS-CoV-2 mutation, on the other hand, has been characterized by worrying variations that modify viral characteristics in response to the changing resistance profile of the human population. The repeated transmission of virus mutation indicates that epidemics are likely to occur. Therefore, an early identification system of ongoing mutations of SARS-CoV-2 will provide essential insights for planning and avoiding future outbreaks. This article discussed the following highlights: First, comparing the omicron mutation with other variants; second, analysis and evaluation of the spread rate of the SARS-CoV 2 variations in the countries; third, identification of mutation areas in spike protein; and fourth, it discussed the photonics approaches enabled with artificial intelligence. Therefore, our goal is to identify the SARS-CoV 2 virus directly without the need for sample preparation or molecular amplification procedures. Furthermore, by connecting through the optical network, the COVID-19 test becomes a component of the Internet of healthcare things to improve precision, service efficiency, and flexibility and provide greater availability for the evaluation of the general population. Key points • A proposed framework of photonics based on AI for identifying and sorting SARS-CoV 2 mutations. • Comparative scatter rates Omicron variant and other SARS-CoV 2 variations per country. • Evaluating mutation areas in spike protein and AI enabled by photonic technologies for SARS-CoV 2 virus detection.
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Affiliation(s)
- Bakr Ahmed Taha
- UKM-Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Malaysia
| | - Qussay Al-Jubouri
- Department of Communication Engineering, University of Technology, Baghdad, 00964, Iraq
| | - Yousif Al Mashhadany
- Department of Electrical Engineering, College of Engineering, University of Anbar, Anbar, 00964, Iraq
| | - Mohd Saiful Dzulkefly Bin Zan
- UKM-Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Malaysia
| | - Ahmad Ashrif A Bakar
- UKM-Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Malaysia
| | - Mahmoud Muhanad Fadhel
- UKM-Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Malaysia
| | - Norhana Arsad
- UKM-Department of Electrical, Electronic and Systems Engineering, Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600, UKM Bangi, Malaysia.
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Liang J, Zhang W, Qin Y, Li Y, Liu GL, Hu W. Applying Machine Learning with Localized Surface Plasmon Resonance Sensors to Detect SARS-CoV-2 Particles. BIOSENSORS 2022; 12:173. [PMID: 35323443 PMCID: PMC8946137 DOI: 10.3390/bios12030173] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Revised: 03/09/2022] [Accepted: 03/10/2022] [Indexed: 06/14/2023]
Abstract
The sudden outbreak of COVID-19 rapidly developed into a global pandemic, which caused tens of millions of infections and millions of deaths. Although SARS-CoV-2 is known to cause COVID-19, effective approaches to detect SARS-CoV-2 using a convenient, rapid, accurate, and low-cost method are lacking. To date, most of the diagnostic methods for patients with early infections are limited to the detection of viral nucleic acids via polymerase chain reaction (PCR), or antigens, using an enzyme-linked immunosorbent assay or a chemiluminescence immunoassay. This study developed a novel method that uses localized surface plasmon resonance (LSPR) sensors, optical imaging, and artificial intelligence methods to directly detect the SARS-CoV-2 virus particles without any sample preparation. The virus concentration can be qualitatively and quantitatively detected in the range of 125.28 to 106 vp/mL through a few steps within 12 min with a limit of detection (LOD) of 100 vp/mL. The accuracy of the SARS-CoV-2 positive or negative assessment was found to be greater than 97%, and this was demonstrated by establishing a regression machine learning model for the virus concentration prediction (R2 > 0.95).
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30
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Both S, Schäferling M, Sterl F, Muljarov EA, Giessen H, Weiss T. Nanophotonic Chiral Sensing: How Does It Actually Work? ACS NANO 2022; 16:2822-2832. [PMID: 35080371 DOI: 10.1021/acsnano.1c09796] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Nanophotonic chiral sensing has recently attracted a lot of attention. The idea is to exploit the strong light-matter interaction in nanophotonic resonators to determine the concentration of chiral molecules at ultralow thresholds, which is highly attractive for numerous applications in life science and chemistry. However, a thorough understanding of the underlying interactions is still missing. The theoretical description relies on either simple approximations or on purely numerical approaches. We close this gap and present a general theory of chiral light-matter interactions in arbitrary resonators. Our theory describes the chiral interaction as a perturbation of the resonator modes, also known as resonant states or quasi-normal modes. We observe two dominant contributions: A chirality-induced resonance shift and changes in the modes' excitation and emission efficiencies. Our theory brings deep insights for tailoring and enhancing chiral light-matter interactions. Furthermore, it allows us to predict spectra much more efficiently in comparison to conventional approaches. This is particularly true, as chiral interactions are inherently weak and therefore perturbation theory fits extremely well for this problem.
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Affiliation(s)
- Steffen Both
- 4th Physics Institute and Research Center SCoPE, University of Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany
| | - Martin Schäferling
- 4th Physics Institute and Research Center SCoPE, University of Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany
| | - Florian Sterl
- 4th Physics Institute and Research Center SCoPE, University of Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany
| | - Egor A Muljarov
- Cardiff University, School of Physics and Astronomy, The Parade, CF24 3AA, Cardiff, United Kingdom
| | - Harald Giessen
- 4th Physics Institute and Research Center SCoPE, University of Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany
| | - Thomas Weiss
- 4th Physics Institute and Research Center SCoPE, University of Stuttgart, Pfaffenwaldring 57, 70569 Stuttgart, Germany
- Institute of Physics, University of Graz, and NAWI Graz, Universitätsplatz 5, 8010 Graz, Austria
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31
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Gomez-Cruz J, Bdour Y, Stamplecoskie K, Escobedo C. FDTD Analysis of Hotspot-Enabling Hybrid Nanohole-Nanoparticle Structures for SERS Detection. BIOSENSORS 2022; 12:bios12020128. [PMID: 35200388 PMCID: PMC8870321 DOI: 10.3390/bios12020128] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Revised: 02/11/2022] [Accepted: 02/14/2022] [Indexed: 06/07/2023]
Abstract
Metallic nanoparticles (MNPs) and metallic nanostructures are both commonly used, independently, as SERS substrates due to their enhanced plasmonic activity. In this work, we introduce and investigate a hybrid nanostructure with strong SERS activity that benefits from the collective plasmonic response of the combination of MNPs and flow-through nanohole arrays (NHAs). The electric field distribution and electromagnetic enhancement factor of hybrid structures composed of silver NPs on both silver and gold NHAs are investigated via finite-difference time-domain (FDTD) analyses. This computational approach is used to find optimal spatial configurations of the nanoparticle positions relative to the nanoapertures and investigate the difference between Ag-NP-on-Ag-NHAs and Ag-NP-on-Au-NHAs hybrid structures. A maximum GSERS value of 6.8 × 109 is achieved with the all-silver structure when the NP is located 0.5 nm away from the rim of the NHA, while the maximum of 4.7 × 1010 is obtained when the nanoparticle is in full contact with the NHA for the gold-silver hybrid structure. These results demonstrate that the hybrid nanostructures enable hotspot formation with strong SERS activity and plasmonic enhancement compatible with SERS-based sensing applications.
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Affiliation(s)
- Juan Gomez-Cruz
- Department of Chemical Engineering, Queen’s University, 19 Division St., Kingston, ON K7L 3N6, Canada; (J.G.-C.); (Y.B.)
| | - Yazan Bdour
- Department of Chemical Engineering, Queen’s University, 19 Division St., Kingston, ON K7L 3N6, Canada; (J.G.-C.); (Y.B.)
| | - Kevin Stamplecoskie
- Department of Chemistry, Queen’s University, 90 Bader Lane, Kingston, ON K7L 3N6, Canada;
| | - Carlos Escobedo
- Department of Chemical Engineering, Queen’s University, 19 Division St., Kingston, ON K7L 3N6, Canada; (J.G.-C.); (Y.B.)
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32
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Zhang Z, Zhao F, Gao R, Jao CY, Ma C, Li J, Li X, Guan BO, Cetin AE, Chen K. Rayleigh anomaly-enabled mode hybridization in gold nanohole arrays by scalable colloidal lithography for highly-sensitive biosensing. NANOPHOTONICS (BERLIN, GERMANY) 2022; 11:507-517. [PMID: 39633796 PMCID: PMC11502056 DOI: 10.1515/nanoph-2021-0563] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Accepted: 12/22/2021] [Indexed: 12/07/2024]
Abstract
Plasmonic sensors exhibit tremendous potential to accomplish real-time, label-free, and high-sensitivity biosensing. Gold nanohole array (GNA) is one of the classic plasmonic nanostructures that can be readily fabricated and integrated into microfluidic platforms for a variety of applications. Even though GNA has been widely studied, new phenomena and applications are still emerging continuously expanding its capabilities. In this article, we demonstrated narrow-band high-order resonances enabled by Rayleigh anomaly in the nanohole arrays that are fabricated by scalable colloidal lithography. We fabricated large-area GNAs with different hole diameters, and investigated their transmission characteristics both numerically and experimentally. We showed that mode hybridization between the plasmon mode of the nanoholes and Rayleigh anomaly of the array could give rise to high-quality decapole resonance with a unique nearfield profile. We experimentally achieved a refractive index sensitivity, i.e., RIS up to 407 nm/RIU. More importantly, we introduced a spectrometer-free refractive index sensing based on lens-free smartphone imaging of GNAs with (intensity) sensitivity up to 137%/RIU. Using this platform, we realized the label-free detection of BSA molecules with concentration as low as 10-8 M. We believe our work could pave the way for highly sensitive and compact point-of-care devices with cost-effective and high-throughput plasmonic chips.
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Affiliation(s)
- Zhiliang Zhang
- Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Institute of Photonics Technology, Jinan University, Guangzhou, 511443, China
| | - Feng Zhao
- Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Institute of Photonics Technology, Jinan University, Guangzhou, 511443, China
| | - Renxian Gao
- Department of Physics, Xiamen University, Xiamen, 361005, China
| | - Chih-Yu Jao
- Institute of Advanced Wear & Corrosion Resistant and Functional Materials, Jinan University, Guangzhou, 510632, China
| | - Churong Ma
- Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Institute of Photonics Technology, Jinan University, Guangzhou, 511443, China
| | - Jie Li
- Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Institute of Photonics Technology, Jinan University, Guangzhou, 511443, China
| | - Xiangping Li
- Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Institute of Photonics Technology, Jinan University, Guangzhou, 511443, China
| | - Bai-Ou Guan
- Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Institute of Photonics Technology, Jinan University, Guangzhou, 511443, China
| | - Arif E. Cetin
- Izmir Biomedicine and Genome Center, Balcova 35340, Izmir, Turkey
| | - Kai Chen
- Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Institute of Photonics Technology, Jinan University, Guangzhou, 511443, China
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33
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Alsadig A, Vondracek H, Pengo P, Pasquato L, Posocco P, Parisse P, Casalis L. Label-Free, Rapid and Facile Gold-Nanoparticles-Based Assay as a Potential Spectroscopic Tool for Trastuzumab Quantification. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:3181. [PMID: 34947531 PMCID: PMC8708960 DOI: 10.3390/nano11123181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/12/2021] [Accepted: 11/20/2021] [Indexed: 11/17/2022]
Abstract
Monoclonal antibody-based immunotherapy is one of the pillars of cancer treatment. However, for an efficient and personalized approach to the therapy, a quantitative evaluation of the right dose for each patient is required. In this study, we developed a simple, label-free, and rapid approach to quantify Trastuzumab, a humanized IgG1 monoclonal antibody used against human epidermal growth factor receptor 2 (HER2), overexpressed in breast cancer patients, based on localized surface plasmon resonance (LSPR). The central idea of this work was to use gold nanoparticles (AuNPs) as plasmonic scaffolds, decorated with HER2 binders mixed with oligo-ethylene glycol (OEG) molecules, to tune the surface density of the attached macromolecules and to minimize nonspecific binding events. Specifically, we characterized and optimized a self-assembled monolayer of mixed alkylthiols terminated with nitrilotriacetic acid (NTA), and OEG3 as a spacing ligand to achieve both excellent dispersibility and high reliability in protein immobilization. The successful immobilization of histidine-tagged HER2 (His-tagged HER2) on NTA via cobalt (II) chelates was demonstrated, confirming the fully functional attachment of the proteins to the AuNP surface. The proposed design demonstrates the capability of producing a clear readout that enables the transduction of a Trastuzumab/HER2 binding event into optical signals based on the wavelength shifts in LSPR, which allowed for detecting clinically relevant concentrations of Trastuzumab down to 300 ng/mL in the buffer and 2 µg/mL in the diluted serum. This strategy was found to be fast and highly specific to Trastuzumab. These findings make the present platform an auspicious tool for developing affordable bio-nanosensors.
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Affiliation(s)
- Ahmed Alsadig
- Department of Physics, University of Trieste, 34127 Trieste, Italy;
- NanoInnovation Lab, Elettra Sincrotrone Trieste S.C.p.A., 34149 Trieste, Italy; (H.V.); (P.P.)
| | - Hendrik Vondracek
- NanoInnovation Lab, Elettra Sincrotrone Trieste S.C.p.A., 34149 Trieste, Italy; (H.V.); (P.P.)
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, 34127 Trieste, Italy; (P.P.); (L.P.)
| | - Paolo Pengo
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, 34127 Trieste, Italy; (P.P.); (L.P.)
| | - Lucia Pasquato
- Department of Chemical and Pharmaceutical Sciences, University of Trieste, 34127 Trieste, Italy; (P.P.); (L.P.)
| | - Paola Posocco
- Department of Engineering and Architecture, University of Trieste, 34127 Trieste, Italy;
| | - Pietro Parisse
- NanoInnovation Lab, Elettra Sincrotrone Trieste S.C.p.A., 34149 Trieste, Italy; (H.V.); (P.P.)
| | - Loredana Casalis
- NanoInnovation Lab, Elettra Sincrotrone Trieste S.C.p.A., 34149 Trieste, Italy; (H.V.); (P.P.)
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34
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Liu W, Zhuo Q, Wen K, Zou Q, Hu X, Qin Y. Integrated plasmonic biosensor on a vertical cavity surface emitting laser platform. OPTICS EXPRESS 2021; 29:40643-40651. [PMID: 34809399 DOI: 10.1364/oe.445520] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 11/04/2021] [Indexed: 06/13/2023]
Abstract
Plasmonic devices can modulate light beyond the diffraction limit and thus have unique advantages in realizing an ultracompact feature size. However, in most cases, external light coupling systems are needed, resulting in a prohibitively bulky footprint. In this paper, we propose an integrated plasmonic biosensor on a vertical cavity surface emitting laser (VCSEL) platform. The plasmonic resonant wavelength of the nanohole array was designed to match (detune) with the emission peak wavelength of the VCSEL before (after) binding the molecules, thus the refractive index that represents the concentration of the molecule could be measured by monitoring the light output intensity. It shows that high contrast with relative intensity difference of 98.8% can be achieved for molecular detection at conventional concentrations. The size of the device chip could be the same as a VCSEL chip with regular specification of hundreds of micrometers in length and width. These results suggest that the proposed integrated sensor device offers great potential in realistic applications.
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35
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A Fabry-Pérot cavity coupled surface plasmon photodiode for electrical biomolecular sensing. Nat Commun 2021; 12:6483. [PMID: 34759292 PMCID: PMC8580965 DOI: 10.1038/s41467-021-26652-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 09/29/2021] [Indexed: 12/17/2022] Open
Abstract
Surface plasmon resonance is a well-established technology for real-time highly sensitive label-free detection and measurement of binding kinetics between biological samples. A common drawback, however, of surface plasmon resonance detection is the necessity for far field angular resolved measurement of specular reflection, which increases the size as well as requiring precise calibration of the optical apparatus. Here we present an alternative optoelectronic approach in which the plasmonic sensor is integrated within a photovoltaic cell. Incident light generates an electronic signal that is sensitive to the refractive index of a solution via interaction with the plasmon. The photogenerated current is enhanced due to the coupling of the plasmon mode with Fabry-Pérot modes in the absorbing layer of the photovoltaic cell. The near field electrical detection of surface plasmon resonance we demonstrate will enable a next generation of cheap, compact and high throughput biosensors. Surface plasmon resonance is well established for biosensing applications, but commonly limited by complex optical detection. Here, the authors present a plasmonic sensor integrated in a photovoltaic cell, which generates an electronic signal sensitive to the solution refractive index via plasmon interaction
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36
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Cetin AE, Kocer ZA, Topkaya SN, Yazici ZA. Handheld plasmonic biosensor for virus detection in field-settings. SENSORS AND ACTUATORS. B, CHEMICAL 2021; 344:130301. [PMID: 34149185 PMCID: PMC8206576 DOI: 10.1016/j.snb.2021.130301] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 05/31/2021] [Accepted: 06/13/2021] [Indexed: 05/02/2023]
Abstract
After World Health Organization (WHO) announced COVID-19 outbreak a pandemic, we all again realized the importance of developing rapid diagnostic kits. In this article, we introduced a lightweight and field-portable biosensor employing a plasmonic chip based on nanohole arrays integrated to a lensfree-imaging framework for label-free detection of viruses in field-settings. The platform utilizes a CMOS (complementary metal-oxide-semiconductor) camera with high quantum efficiency in the spectral window of interest to monitor diffraction field patterns of nanohole arrays under the uniform illumination of an LED (light-emitting diode) source which is spectrally tuned to the plasmonic mode supported by the nanohole arrays. As an example for the applicability of our biosensor for virus detection, we could successfully demonstrate the label-free detection of H1N1 viruses, e.g., swine flu, with medically relevant concentrations. We also developed a low-cost and easy-to-use sample preparation kit to prepare the surface of the plasmonic chip for analyte binding, e.g., virus-antibody binding. In order to reveal a complete biosensor technology, we also developed a user friendly Python™ - based graphical user interface (GUI) that allows direct access to biosensor hardware, taking and processing diffraction field images, and provides virus information to the end-user. Employing highly sensitive nanohole arrays and lensfree-imaging framework, our platform could yield an LOD as low as 103 TCID50/mL. Providing accurate and rapid sensing information in a handheld platform, weighing only 70 g and 12 cm tall, without the need for bulky and expensive instrumentation, our biosensor could be a very strong candidate for diagnostic applications in resource-poor settings. As our detection scheme is based on the use of antibodies, it could quickly adapt to the detection of different viral diseases, e.g., COVID-19 or influenza, by simply coating the plasmonic chip surface with an antibody possessing affinity to the virus type of interest. Possessing this ability, our biosensor could be swiftly deployed to the field in need for rapid diagnosis, which may be an important asset to prevent the spread of diseases before turning into a pandemic by isolating patients from the population.
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Affiliation(s)
- Arif E Cetin
- Izmir Biomedicine and Genome Center, Balcova, Izmir, 35340, Turkey
| | - Zeynep A Kocer
- Izmir Biomedicine and Genome Center, Balcova, Izmir, 35340, Turkey
- Izmir International Biomedicine and Genome Institute, Dokuz Eylul University, Balcova, Izmir, 35340, Turkey
| | - Seda Nur Topkaya
- Department of Analytical Chemistry, Faculty of Pharmacy, Izmir Katip Celebi University, Cigli, Izmir, 35620, Turkey
| | - Ziya Ata Yazici
- Department of Biomedical Engineering, TOBB University of Economics and Technology, Cankaya, Ankara, 06560, Turkey
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Balderas-Valadez RF, Pacholski C. Plasmonic Nanohole Arrays on Top of Porous Silicon Sensors: A Win-Win Situation. ACS APPLIED MATERIALS & INTERFACES 2021; 13:36436-36444. [PMID: 34297537 PMCID: PMC10015452 DOI: 10.1021/acsami.1c07034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Label-free optical sensors are attractive candidates, for example, for detecting toxic substances and monitoring biomolecular interactions. Their performance can be pushed by the design of the sensor through clever material choices and integration of components. In this work, two porous materials, namely, porous silicon and plasmonic nanohole arrays, are combined in order to obtain increased sensitivity and dual-mode sensing capabilities. For this purpose, porous silicon monolayers are prepared by electrochemical etching and plasmonic nanohole arrays are obtained using a bottom-up strategy. Hybrid sensors of these two materials are realized by transferring the plasmonic nanohole array on top of the porous silicon. Reflectance spectra of the hybrid sensors are characterized by a fringe pattern resulting from the Fabry-Pérot interference at the porous silicon borders, which is overlaid with a broad dip based on surface plasmon resonance in the plasmonic nanohole array. In addition, the hybrid sensor shows a significant higher reflectance in comparison to the porous silicon monolayer. The sensitivities of the hybrid sensor to refractive index changes are separately determined for both components. A significant increase in sensitivity from 213 ± 12 to 386 ± 5 nm/RIU is determined for the transfer of the plasmonic nanohole array sensors from solid glass substrates to porous silicon monolayers. In contrast, the spectral position of the interference pattern of porous silicon monolayers in different media is not affected by the presence of the plasmonic nanohole array. However, the changes in fringe pattern reflectance of the hybrid sensor are increased 3.7-fold after being covered with plasmonic nanohole arrays and could be used for high-sensitivity sensing. Finally, the capability of the hybrid sensor for simultaneous and independent dual-mode sensing is demonstrated.
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Liu G, Jiang C, Lin X, Yang Y. Point-of-care detection of cytokines in cytokine storm management and beyond: Significance and challenges. VIEW 2021; 2:20210003. [PMID: 34766163 PMCID: PMC8242812 DOI: 10.1002/viw.20210003] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 03/01/2021] [Accepted: 03/08/2021] [Indexed: 12/16/2022] Open
Abstract
Cytokines are signaling molecules between cells in immune system. Cytokine storm, due to the sudden acute increase in levels of pro-inflammatory circulating cytokines, can result in disease severity and major-organ damage. Thus, there is urgent need to develop rapid, sensitive, and specific methods for monitoring of cytokines in biology and medicine. Undoubtedly, point-of-care testing (POCT) will provide clinical significance in disease early diagnosis, management, and prevention. This review aims to summarize and discuss the latest technologies for detection of cytokines with a focus on POCT. The overview of diseases resulting from imbalanced cytokine levels, such as COVID-19, sepsis and other cytokine release syndromes are presented. The clinical cut-off levels of cytokine as biomarkers for different diseases are summarized. The challenges and perspectives on the development of cytokine POCT devices are also proposed and discussed. Cytokine POCT devices are expected to be the ongoing spotlight of disease management and prevention during COVID-19 pandemic and also the post COVID-19 pandemic era.
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Affiliation(s)
- Guozhen Liu
- School of Life and Health SciencesThe Chinese University of Hong KongShenzhen518172P.R. China
- Graduate School of Biomedical EngineeringUniversity of New South WalesSydneyNSW 2052Australia
| | - Cheng Jiang
- Nuffield Department of Clinical NeurosciencesJohn Radcliffe HospitalUniversity of OxfordOxfordOX3 9DUUnited Kingdom
| | - Xiaoting Lin
- Graduate School of Biomedical EngineeringUniversity of New South WalesSydneyNSW 2052Australia
| | - Yang Yang
- School of Life and Health SciencesThe Chinese University of Hong KongShenzhen518172P.R. China
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Li D, Odessey R, Li D, Pacifici D. Plasmonic Interferometers as TREM2 Sensors for Alzheimer's Disease. BIOSENSORS 2021; 11:217. [PMID: 34356688 PMCID: PMC8301914 DOI: 10.3390/bios11070217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 06/25/2021] [Accepted: 06/26/2021] [Indexed: 11/17/2022]
Abstract
We report an effective surface immobilization protocol for capture of Triggering Receptor Expressed on Myeloid Cells 2 (TREM2), a receptor whose elevated concentration in cerebrospinal fluid has recently been associated with Alzheimer's disease (AD). We employ the proposed surface functionalization scheme to design, fabricate, and assess a biochemical sensing platform based on plasmonic interferometry that is able to detect physiological concentrations of TREM2 in solution. These findings open up opportunities for label-free biosensing of TREM2 in its soluble form in various bodily fluids as an early indicator of the onset of clinical dementia in AD. We also show that plasmonic interferometry can be a powerful tool to monitor and optimize surface immobilization schemes, which could be applied to develop other relevant antibody tests.
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Affiliation(s)
- Dingdong Li
- School of Engineering, Brown University, 184 Hope St, Providence, RI 02912, USA; (D.L.); (R.O.); (D.L.)
| | - Rachel Odessey
- School of Engineering, Brown University, 184 Hope St, Providence, RI 02912, USA; (D.L.); (R.O.); (D.L.)
| | - Dongfang Li
- School of Engineering, Brown University, 184 Hope St, Providence, RI 02912, USA; (D.L.); (R.O.); (D.L.)
| | - Domenico Pacifici
- School of Engineering, Brown University, 184 Hope St, Providence, RI 02912, USA; (D.L.); (R.O.); (D.L.)
- Department of Physics, Brown University, 182 Hope St, Providence, RI 02912, USA
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40
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Rasmi Y, Li X, Khan J, Ozer T, Choi JR. Emerging point-of-care biosensors for rapid diagnosis of COVID-19: current progress, challenges, and future prospects. Anal Bioanal Chem 2021; 413:4137-4159. [PMID: 34008124 PMCID: PMC8130795 DOI: 10.1007/s00216-021-03377-6] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2021] [Accepted: 04/26/2021] [Indexed: 02/07/2023]
Abstract
Coronavirus disease 2019 (COVID-19) pandemic is currently a serious global health threat. While conventional laboratory tests such as quantitative real-time polymerase chain reaction (qPCR), serology tests, and chest computerized tomography (CT) scan allow diagnosis of COVID-19, these tests are time-consuming and laborious, and are limited in resource-limited settings or developing countries. Point-of-care (POC) biosensors such as chip-based and paper-based biosensors are typically rapid, portable, cost-effective, and user-friendly, which can be used for COVID-19 in remote settings. The escalating demand for rapid diagnosis of COVID-19 presents a strong need for a timely and comprehensive review on the POC biosensors for COVID-19 that meet ASSURED criteria: Affordable, Sensitive, Specific, User-friendly, Rapid and Robust, Equipment-free, and Deliverable to end users. In the present review, we discuss the importance of rapid and early diagnosis of COVID-19 and pathogenesis of COVID-19 along with the key diagnostic biomarkers. We critically review the most recent advances in POC biosensors which show great promise for the detection of COVID-19 based on three main categories: chip-based biosensors, paper-based biosensors, and other biosensors. We subsequently discuss the key benefits of these biosensors and their use for the detection of antigen, antibody, and viral nucleic acids. The commercial POC biosensors for COVID-19 are critically compared. Finally, we discuss the key challenges and future perspectives of developing emerging POC biosensors for COVID-19. This review would be very useful for guiding strategies for developing and commercializing rapid POC tests to manage the spread of infections.Graphical abstract.
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Affiliation(s)
- Yousef Rasmi
- Department of Biochemistry, Faculty of Medicine, Urmia University of Medical Sciences, 5714783734, Urmia, Iran
- Cellular and Molecular Research Center, Urmia University of Medical Sciences, 5714783734, Urmia, Iran
| | - Xiaokang Li
- Ludwig Institute for Cancer Research, University of Lausanne, Agora Center, 1005, Lausanne, Switzerland
- Department of Oncology, Centre hospitalier universitaire vaudois (CHUV), 1011, Lausanne, Switzerland
| | - Johra Khan
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Majmaah, 11952, Kingdom of Saudi Arabia
| | - Tugba Ozer
- Department of Bioengineering, Faculty of Chemical-Metallurgical Engineering, Yildiz Technical University, 34220, Istanbul, Turkey
| | - Jane Ru Choi
- Department of Mechanical Engineering, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada.
- Centre for Blood Research, Life Sciences Centre, University of British Columbia, Vancouver, BC, V6T 1Z3, Canada.
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Fruncillo S, Su X, Liu H, Wong LS. Lithographic Processes for the Scalable Fabrication of Micro- and Nanostructures for Biochips and Biosensors. ACS Sens 2021; 6:2002-2024. [PMID: 33829765 PMCID: PMC8240091 DOI: 10.1021/acssensors.0c02704] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Since the early 2000s, extensive research has been performed to address numerous challenges in biochip and biosensor fabrication in order to use them for various biomedical applications. These biochips and biosensor devices either integrate biological elements (e.g., DNA, proteins or cells) in the fabrication processes or experience post fabrication of biofunctionalization for different downstream applications, including sensing, diagnostics, drug screening, and therapy. Scalable lithographic techniques that are well established in the semiconductor industry are now being harnessed for large-scale production of such devices, with additional development to meet the demand of precise deposition of various biological elements on device substrates with retained biological activities and precisely specified topography. In this review, the lithographic methods that are capable of large-scale and mass fabrication of biochips and biosensors will be discussed. In particular, those allowing patterning of large areas from 10 cm2 to m2, maintaining cost effectiveness, high throughput (>100 cm2 h-1), high resolution (from micrometer down to nanometer scale), accuracy, and reproducibility. This review will compare various fabrication technologies and comment on their resolution limit and throughput, and how they can be related to the device performance, including sensitivity, detection limit, reproducibility, and robustness.
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Affiliation(s)
- Silvia Fruncillo
- Manchester Institute of Biotechnology, University of Manchester, 131 Princess Street, Manchester, M1 7DN, United Kingdom
- Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, #08-03, Innovis, Singapore 138634, Singapore
| | - Xiaodi Su
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, #08-03, Innovis, Singapore 138634, Singapore
- Department of Chemistry, National University of Singapore, Block S8, Level 3, 3 Science Drive, Singapore 117543, Singapore
| | - Hong Liu
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, #08-03, Innovis, Singapore 138634, Singapore
| | - Lu Shin Wong
- Manchester Institute of Biotechnology, University of Manchester, 131 Princess Street, Manchester, M1 7DN, United Kingdom
- Department of Chemistry, University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom
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Jahani Y, Arvelo ER, Yesilkoy F, Koshelev K, Cianciaruso C, De Palma M, Kivshar Y, Altug H. Imaging-based spectrometer-less optofluidic biosensors based on dielectric metasurfaces for detecting extracellular vesicles. Nat Commun 2021; 12:3246. [PMID: 34059690 PMCID: PMC8167130 DOI: 10.1038/s41467-021-23257-y] [Citation(s) in RCA: 103] [Impact Index Per Article: 25.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 04/12/2021] [Indexed: 12/14/2022] Open
Abstract
Biosensors are indispensable tools for public, global, and personalized healthcare as they provide tests that can be used from early disease detection and treatment monitoring to preventing pandemics. We introduce single-wavelength imaging biosensors capable of reconstructing spectral shift information induced by biomarkers dynamically using an advanced data processing technique based on an optimal linear estimator. Our method achieves superior sensitivity without wavelength scanning or spectroscopy instruments. We engineered diatomic dielectric metasurfaces supporting bound states in the continuum that allows high-quality resonances with accessible near-fields by in-plane symmetry breaking. The large-area metasurface chips are configured as microarrays and integrated with microfluidics on an imaging platform for real-time detection of breast cancer extracellular vesicles encompassing exosomes. The optofluidic system has high sensing performance with nearly 70 1/RIU figure-of-merit enabling detection of on average 0.41 nanoparticle/µm2 and real-time measurements of extracellular vesicles binding from down to 204 femtomolar solutions. Our biosensors provide the robustness of spectrometric approaches while substituting complex instrumentation with a single-wavelength light source and a complementary-metal-oxide-semiconductor camera, paving the way toward miniaturized devices for point-of-care diagnostics.
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Affiliation(s)
- Yasaman Jahani
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Eduardo R Arvelo
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Filiz Yesilkoy
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI, USA
| | - Kirill Koshelev
- Nonlinear Physics Center, Research School of Physics, Australian National University, Canberra, Australia
- School of Physics and Engineering, ITMO University, St Petersburg, Russia
| | - Chiara Cianciaruso
- Swiss Institute for Experimental Cancer Research (ISREC), School of Life Sciences, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Michele De Palma
- Swiss Institute for Experimental Cancer Research (ISREC), School of Life Sciences, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland
| | - Yuri Kivshar
- Nonlinear Physics Center, Research School of Physics, Australian National University, Canberra, Australia
| | - Hatice Altug
- Institute of Bioengineering, École Polytechnique Fédérale de Lausanne (EPFL), Lausanne, Switzerland.
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Guo Z, Tian J, Cui C, Wang Y, Yang H, Yuan M, Yu H. A label-free aptasensor for turn-on fluorescent detection of ochratoxin a based on SYBR gold and single walled carbon nanohorns. Food Control 2021. [DOI: 10.1016/j.foodcont.2020.107741] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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44
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Park Y, Ryu B, Ki SJ, McCracken B, Pennington A, Ward KR, Liang X, Kurabayashi K. Few-Layer MoS 2 Photodetector Arrays for Ultrasensitive On-Chip Enzymatic Colorimetric Analysis. ACS NANO 2021; 15:7722-7734. [PMID: 33825460 DOI: 10.1021/acsnano.1c01394] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Enzymatic colorimetric analysis of metabolites provides signatures of energy conversion and biosynthesis associated with disease onsets and progressions. Miniaturized photodetectors based on emerging two-dimensional transition metal dichalcogenides (TMDCs) promise to advance point-of-care diagnosis employing highly sensitive enzymatic colorimetric detection. Reducing diagnosis costs requires a batched multisample assay. The construction of few-layer TMDC photodetector arrays with consistent performance is imperative to realize optical signal detection for a miniature batched multisample enzymatic colorimetric assay. However, few studies have promoted an optical reader with TMDC photodetector arrays for on-chip operation. Here, we constructed 4 × 4 pixel arrays of miniaturized molybdenum disulfide (MoS2) photodetectors and integrated them with microfluidic enzyme reaction chambers to create an optoelectronic biosensor chip device. The fabricated device allowed us to achieve arrayed on-chip enzymatic colorimetric detection of d-lactate, a blood biomarker signifying the bacterial translocation from the intestine, with a limit of detection that is 1000-fold smaller than the clinical baseline, a 10 min assay time, high selectivity, and reasonably small variability across the entire arrays. The enzyme (Ez)/MoS2 optoelectronic biosensor unit consistently detected d-lactate in clinically important biofluids, such as saliva, urine, plasma, and serum of swine and humans with a wide detection range (10-3-103 μg/mL). Furthermore, the biosensor enabled us to show that high serum d-lactate levels are associated with the symptoms of systemic infection and inflammation. The lensless, optical waveguide-free device architecture should readily facilitate development of a monolithically integrated hand-held module for timely, cost-effective diagnosis of metabolic disorders in near-patient settings.
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Affiliation(s)
- Younggeun Park
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
- Michigan Center for Integrative Research in Critical Care, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Byunghoon Ryu
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Seung Jun Ki
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Brendan McCracken
- Michigan Center for Integrative Research in Critical Care, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Amanda Pennington
- Michigan Center for Integrative Research in Critical Care, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Kevin R Ward
- Michigan Center for Integrative Research in Critical Care, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Emergency Medicine, University of Michigan Medical School, Ann Arbor, Michigan 48109, United States
- Department of Biomedical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Xiaogan Liang
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
- Michigan Center for Integrative Research in Critical Care, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Katsuo Kurabayashi
- Department of Mechanical Engineering, University of Michigan, Ann Arbor, Michigan 48109, United States
- Michigan Center for Integrative Research in Critical Care, University of Michigan, Ann Arbor, Michigan 48109, United States
- Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, Michigan 48109, United States
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Manzo M, Cavazos O, Huang Z, Cai L. Plasmonic and Hybrid Whispering Gallery Mode-Based Biosensors: Literature Review. JMIR BIOMEDICAL ENGINEERING 2021; 6:e17781. [PMID: 38907378 PMCID: PMC11135208 DOI: 10.2196/17781] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 10/01/2020] [Accepted: 03/11/2021] [Indexed: 02/02/2023] Open
Abstract
BACKGROUND The term "plasmonic" describes the relationship between electromagnetic fields and metallic nanostructures. Plasmon-based sensors have been used innovatively to accomplish different biomedical tasks, including detection of cancer. Plasmonic sensors also have been used in biochip applications and biosensors and have the potential to be implemented as implantable point-of-care devices. Many devices and methods discussed in the literature are based on surface plasmon resonance (SPR) and localized SPR (LSPR). However, the mathematical background can be overwhelming for researchers at times. OBJECTIVE This review article discusses the theory of SPR, simplifying the underlying physics and bypassing many equations of SPR and LSPR. Moreover, we introduce and discuss the hybrid whispering gallery mode (WGM) sensing theory and its applications. METHODS A literature search in ScienceDirect was performed using keywords such as "surface plasmon resonance," "localized plasmon resonance," and "whispering gallery mode/plasmonic." The search results retrieved many articles, among which we selected only those that presented a simple explanation of the SPR phenomena with prominent biomedical examples. RESULTS SPR, LSPR, tilted fiber Bragg grating, and hybrid WGM phenomena were explained and examples on biosensing applications were provided. CONCLUSIONS This minireview presents an overview of biosensor applications in the field of biomedicine and is intended for researchers interested in starting to work in this field. The review presents the fundamental notions of plasmonic sensors and hybrid WGM sensors, thereby allowing one to get familiar with the terminology and underlying complex formulations of linear and nonlinear optics.
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Affiliation(s)
- Maurizio Manzo
- Photonics Micro-Devices Fabrication Lab, Department of Mechanical Engineering, University of North Texas, Denton, TX, United States
| | - Omar Cavazos
- Photonics Micro-Devices Fabrication Lab, Department of Mechanical Engineering, University of North Texas, Denton, TX, United States
| | - Zhenhua Huang
- Department of Mechanical Engineering, University of North Texas, Denton, TX, United States
| | - Liping Cai
- Department of Mechanical Engineering, University of North Texas, Denton, TX, United States
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Zhang Y, Min C, Dou X, Wang X, Urbach HP, Somekh MG, Yuan X. Plasmonic tweezers: for nanoscale optical trapping and beyond. LIGHT, SCIENCE & APPLICATIONS 2021; 10:59. [PMID: 33731693 PMCID: PMC7969631 DOI: 10.1038/s41377-021-00474-0] [Citation(s) in RCA: 97] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 12/24/2020] [Accepted: 01/14/2021] [Indexed: 05/06/2023]
Abstract
Optical tweezers and associated manipulation tools in the far field have had a major impact on scientific and engineering research by offering precise manipulation of small objects. More recently, the possibility of performing manipulation with surface plasmons has opened opportunities not feasible with conventional far-field optical methods. The use of surface plasmon techniques enables excitation of hotspots much smaller than the free-space wavelength; with this confinement, the plasmonic field facilitates trapping of various nanostructures and materials with higher precision. The successful manipulation of small particles has fostered numerous and expanding applications. In this paper, we review the principles of and developments in plasmonic tweezers techniques, including both nanostructure-assisted platforms and structureless systems. Construction methods and evaluation criteria of the techniques are presented, aiming to provide a guide for the design and optimization of the systems. The most common novel applications of plasmonic tweezers, namely, sorting and transport, sensing and imaging, and especially those in a biological context, are critically discussed. Finally, we consider the future of the development and new potential applications of this technique and discuss prospects for its impact on science.
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Affiliation(s)
- Yuquan Zhang
- Nanophotonics Research Center, Shenzhen Key Laboratory of Micro-Scale Optical Information Technology & Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, China
| | - Changjun Min
- Nanophotonics Research Center, Shenzhen Key Laboratory of Micro-Scale Optical Information Technology & Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, China.
| | - Xiujie Dou
- Nanophotonics Research Center, Shenzhen Key Laboratory of Micro-Scale Optical Information Technology & Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, China
- Optics Research Group, Delft University of Technology, Lorentzweg 1, 2628CJ, Delft, The Netherlands
| | - Xianyou Wang
- Nanophotonics Research Center, Shenzhen Key Laboratory of Micro-Scale Optical Information Technology & Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, China
| | - Hendrik Paul Urbach
- Optics Research Group, Delft University of Technology, Lorentzweg 1, 2628CJ, Delft, The Netherlands
| | - Michael G Somekh
- Nanophotonics Research Center, Shenzhen Key Laboratory of Micro-Scale Optical Information Technology & Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, China
| | - Xiaocong Yuan
- Nanophotonics Research Center, Shenzhen Key Laboratory of Micro-Scale Optical Information Technology & Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, China.
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Nair S, Gomez-Cruz J, Ascanio G, Docoslis A, Sabat RG, Escobedo C. Cicada Wing Inspired Template-Stripped SERS Active 3D Metallic Nanostructures for the Detection of Toxic Substances. SENSORS 2021; 21:s21051699. [PMID: 33801222 PMCID: PMC7957863 DOI: 10.3390/s21051699] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 02/18/2021] [Accepted: 02/24/2021] [Indexed: 11/16/2022]
Abstract
This article introduces a bioinspired, cicada wing-like surface-enhanced Raman scattering (SERS) substrate based on template-stripped crossed surface relief grating (TS-CSRG). The substrate is polarization-independent, has tunable nanofeatures and can be fabricated in a cleanroom-free environment via holographic exposure followed by template-stripping using a UV-curable resin. The bioinspired nanostructures in the substrate are strategically designed to minimize the reflection of light for wavelengths shorter than their periodicity, promoting enhanced plasmonic regions for the Raman excitation wavelength at 632.8 nm over a large area. The grating pitch that enables an effective SERS signal is studied using Rhodamine 6G, with enhancement factors of the order of 1 × 104. Water contact angle measurements reveal that the TS-CSRGs are equally hydrophobic to cicada wings, providing them with potential self-cleaning and bactericidal properties. Finite-difference time-domain simulations are used to validate the nanofabrication parameters and to further confirm the polarization-independent electromagnetic field enhancement of the nanostructures. As a real-world application, label-free detection of melamine up to 1 ppm, the maximum concentration of the contaminant in food permitted by the World Health Organization, is demonstrated. The new bioinspired functional TS-CSRG SERS substrate holds great potential as a large-area, label-free SERS-active substrate for medical and biochemical sensing applications.
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Affiliation(s)
- Srijit Nair
- Department of Chemical Engineering, Queen’s University, Kingston, ON K7L 3N6, Canada; (S.N.); (J.G.-C.); (A.D.)
| | - Juan Gomez-Cruz
- Department of Chemical Engineering, Queen’s University, Kingston, ON K7L 3N6, Canada; (S.N.); (J.G.-C.); (A.D.)
- Instituto de Ciencias Aplicadas y Desarrollo Tecnológico (ICAT), Universidad Nacional Autónoma de México (UNAM), Cto. Exterior S/N, C.U., Coyoacán, Ciudad de México 04510, Mexico;
| | - Gabriel Ascanio
- Instituto de Ciencias Aplicadas y Desarrollo Tecnológico (ICAT), Universidad Nacional Autónoma de México (UNAM), Cto. Exterior S/N, C.U., Coyoacán, Ciudad de México 04510, Mexico;
| | - Aristides Docoslis
- Department of Chemical Engineering, Queen’s University, Kingston, ON K7L 3N6, Canada; (S.N.); (J.G.-C.); (A.D.)
| | - Ribal Georges Sabat
- Department of Physics and Space Science, Royal Military College of Canada, Kingston, ON K7K 7B4, Canada;
| | - Carlos Escobedo
- Department of Chemical Engineering, Queen’s University, Kingston, ON K7L 3N6, Canada; (S.N.); (J.G.-C.); (A.D.)
- Correspondence:
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Tobing LYM, Soehartono AM, Mueller AD, Yong KT, Fan W, Zhang DH. Hybridized surface lattice modes in intercalated 3-disk plasmonic crystals for high figure-of-merit plasmonic sensing. NANOSCALE 2021; 13:4092-4102. [PMID: 33570061 DOI: 10.1039/d0nr07020c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Engineering the spectral lineshape of plasmonic modes by various electromagnetic couplings and mode interferences enables significant improvements for plasmonic sensing. However, bulk and surface sensitivities remain constrained by a trade-off arising from their respective dependence on the interaction volume and decay length of the plasmonic mode, making higher bulk sensitivity realized at the expense of reduced surface sensitivity. We propose a new approach to overcome this trade-off by combining near-field and far-field coupling in an intercalated 3-disk plasmonic crystal, where ∼10× higher figure of merit (FoM) and ∼2× higher surface sensitivity can be achieved, in comparison with those achievable by localized surface plasmons. A plasmonic mode with a Q-factor up to ∼110 is demonstrated based on gold 3-disk arrays in the visible spectrum, with a bulk FoM of ∼24 and a surface sensitivity prefactor of ∼13.56. The design and fabrication simplicity of the 3-disk structure highlight its potential for a robust plasmonic sensing platform with a high figure of merit.
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Affiliation(s)
- Landobasa Y M Tobing
- School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, S639798, Singapore.
| | - Alana M Soehartono
- School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, S639798, Singapore.
| | - Aaron D Mueller
- School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, S639798, Singapore.
| | - Ken-Tye Yong
- School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, S639798, Singapore.
| | - Weijun Fan
- School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, S639798, Singapore.
| | - Dao Hua Zhang
- School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, S639798, Singapore.
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Dharmawan AB, Mariana S, Scholz G, Hörmann P, Schulze T, Triyana K, Garcés-Schröder M, Rustenbeck I, Hiller K, Wasisto HS, Waag A. Nonmechanical parfocal and autofocus features based on wave propagation distribution in lensfree holographic microscopy. Sci Rep 2021; 11:3213. [PMID: 33547342 PMCID: PMC7865004 DOI: 10.1038/s41598-021-81098-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Accepted: 12/31/2020] [Indexed: 01/30/2023] Open
Abstract
Performing long-term cell observations is a non-trivial task for conventional optical microscopy, since it is usually not compatible with environments of an incubator and its temperature and humidity requirements. Lensless holographic microscopy, being entirely based on semiconductor chips without lenses and without any moving parts, has proven to be a very interesting alternative to conventional microscopy. Here, we report on the integration of a computational parfocal feature, which operates based on wave propagation distribution analysis, to perform a fast autofocusing process. This unique non-mechanical focusing approach was implemented to keep the imaged object staying in-focus during continuous long-term and real-time recordings. A light-emitting diode (LED) combined with pinhole setup was used to realize a point light source, leading to a resolution down to 2.76 μm. Our approach delivers not only in-focus sharp images of dynamic cells, but also three-dimensional (3D) information on their (x, y, z)-positions. System reliability tests were conducted inside a sealed incubator to monitor cultures of three different biological living cells (i.e., MIN6, neuroblastoma (SH-SY5Y), and Prorocentrum minimum). Altogether, this autofocusing framework enables new opportunities for highly integrated microscopic imaging and dynamic tracking of moving objects in harsh environments with large sample areas.
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Affiliation(s)
- Agus Budi Dharmawan
- Institute of Semiconductor Technology (IHT), Technische Universität Braunschweig, Hans-Sommer-Straße 66, 38106, Braunschweig, Germany.
- Laboratory for Emerging Nanometrology (LENA), Technische Universität Braunschweig, Langer Kamp 6, 38106, Braunschweig, Germany.
- Faculty of Information Technology, Universitas Tarumanagara, Jl. Letjen S. Parman No. 1, Jakarta, 11440, Indonesia.
| | - Shinta Mariana
- Institute of Semiconductor Technology (IHT), Technische Universität Braunschweig, Hans-Sommer-Straße 66, 38106, Braunschweig, Germany
- Laboratory for Emerging Nanometrology (LENA), Technische Universität Braunschweig, Langer Kamp 6, 38106, Braunschweig, Germany
| | - Gregor Scholz
- Institute of Semiconductor Technology (IHT), Technische Universität Braunschweig, Hans-Sommer-Straße 66, 38106, Braunschweig, Germany
- Laboratory for Emerging Nanometrology (LENA), Technische Universität Braunschweig, Langer Kamp 6, 38106, Braunschweig, Germany
| | - Philipp Hörmann
- Institute for Biochemistry, Biotechnology and Bioinformatics, Braunschweig Integrated Centre of Systems Biology (BRICS), Technische Universität Braunschweig, Rebenring 56, 38106, Braunschweig, Germany
| | - Torben Schulze
- Institute of Pharmacology, Toxicology and Clinical Pharmacy (IPT), Technische Universität Braunschweig, Mendelssohnstraße 1, 38106, Braunschweig, Germany
| | - Kuwat Triyana
- Department of Physics, Faculty of Mathematics and Natural Sciences, Universitas Gadjah Mada, Sekip Utara, PO Box BLS 21, Yogyakarta, 55281, Indonesia
| | - Mayra Garcés-Schröder
- Institute of Semiconductor Technology (IHT), Technische Universität Braunschweig, Hans-Sommer-Straße 66, 38106, Braunschweig, Germany
- Laboratory for Emerging Nanometrology (LENA), Technische Universität Braunschweig, Langer Kamp 6, 38106, Braunschweig, Germany
| | - Ingo Rustenbeck
- Institute of Pharmacology, Toxicology and Clinical Pharmacy (IPT), Technische Universität Braunschweig, Mendelssohnstraße 1, 38106, Braunschweig, Germany
| | - Karsten Hiller
- Institute for Biochemistry, Biotechnology and Bioinformatics, Braunschweig Integrated Centre of Systems Biology (BRICS), Technische Universität Braunschweig, Rebenring 56, 38106, Braunschweig, Germany
| | - Hutomo Suryo Wasisto
- Institute of Semiconductor Technology (IHT), Technische Universität Braunschweig, Hans-Sommer-Straße 66, 38106, Braunschweig, Germany.
- Laboratory for Emerging Nanometrology (LENA), Technische Universität Braunschweig, Langer Kamp 6, 38106, Braunschweig, Germany.
| | - Andreas Waag
- Institute of Semiconductor Technology (IHT), Technische Universität Braunschweig, Hans-Sommer-Straße 66, 38106, Braunschweig, Germany.
- Laboratory for Emerging Nanometrology (LENA), Technische Universität Braunschweig, Langer Kamp 6, 38106, Braunschweig, Germany.
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50
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Spies RM, Cole GH, Engevik MA, Nordberg BG, Scharnick EA, Vliem IM, Brolo AG, Lindquist NC. Digital plasmonic holography with iterative phase retrieval for sensing. OPTICS EXPRESS 2021; 29:3026-3037. [PMID: 33770910 DOI: 10.1364/oe.412844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Accepted: 01/12/2021] [Indexed: 06/12/2023]
Abstract
Propagating surface plasmon waves have been used for many applications including imaging and sensing. However, direct in-plane imaging of micro-objects with surface plasmon waves suffers from the lack of simple, two-dimensional lenses, mirrors, and other optical elements. In this paper, we apply lensless digital holographic techniques and leakage radiation microscopy to achieve in-plane surface imaging with propagating surface plasmon waves. As plasmons propagate in two-dimensions and scatter from various objects, a hologram is formed over the surface. Iterative phase retrieval techniques applied to this hologram remove twin image interference for high-resolution in-plane imaging and enable further applications in real-time plasmonic phase sensing.
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