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Shi X, Ma Y, Liao Y, Ho HL. Rapid and quantitative detection of DNA hybridization using a simplified Fabry-Perot interferometric biosensor. RSC Adv 2024; 14:13367-13373. [PMID: 38660529 PMCID: PMC11040546 DOI: 10.1039/d4ra01390e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2024] [Accepted: 04/18/2024] [Indexed: 04/26/2024] Open
Abstract
This study introduces a miniaturized fiber-optic Fabry-Perot (FP) interferometric biosensor, distinctively engineered for cost-effective, rapid, and quantitative DNA sequence detection. By leveraging the interference patterns generated within a Fabry-Perot microcavity, our sensor precisely monitors DNA hybridization events in real-time. We have verified the sensor's biofunctionalization via fluorescent labeling and have extensively validated its performance through numerous hybridization and regeneration cycles with 1 μM single-stranded DNA (ssDNA) solutions. Demonstrating remarkable repeatability and reusability, the sensor effectively discerns ssDNA sequences exhibiting varying degrees of mismatches. Its ability to accurately distinguish between sequences with 2 and 7 mismatches underscores its potential as a valuable asset for swift DNA analysis. Characterized by its rapid response time-typically yielding results within 6 minutes-and its adeptness at mismatch identification, our biosensor stands as a potent tool for facilitating accelerated DNA diagnostics and research.
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Affiliation(s)
- Xin Shi
- School of Microelectronics, Shenzhen Institute of Information Technology Shenzhen China
| | - Yanhong Ma
- School of Microelectronics, Shenzhen Institute of Information Technology Shenzhen China
| | - Yipeng Liao
- School of Microelectronics, Shenzhen Institute of Information Technology Shenzhen China
| | - Hoi Lut Ho
- Department of Electrical and Electronic Engineering, The Hong Kong Polytechnic University Kowloon Hong Kong China
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2
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Ahmadipour M, Bhattacharya A, Sarafbidabad M, Syuhada Sazali E, Krishna Ghoshal S, Satgunam M, Singh R, Rezaei Ardani M, Missaoui N, Kahri H, Pal U, Ling Pang A. CA19-9 and CEA biosensors in pancreatic cancer. Clin Chim Acta 2024; 554:117788. [PMID: 38246211 DOI: 10.1016/j.cca.2024.117788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Revised: 01/15/2024] [Accepted: 01/15/2024] [Indexed: 01/23/2024]
Abstract
Cancer is a complex pathophysiological condition causing millions of deaths each year. Early diagnosis is essential especially for pancreatic cancer. Existing diagnostic tools rely on circulating biomarkers such as Carbohydrate Antigen 19-9 (CA19-9) and Carcinoembryonic Antigen (CEA). Unfortunately, these markers are nonspecific and may be increased in a variety of disorders. Accordingly, diagnosis of pancreatic cancer generally involves more invasive approaches such as biopsy as well as imaging studies. Recent advances in biosensor technology have allowed the development of precise diagnostic tools having enhanced analytical sensitivity and specificity. Herein we examine these advances in the detection of cancer in general and in pancreatic cancer specifically. Furthermore, we highlight novel technologies in the measurement of CA19-9 and CEA and explore their future application in the early detection of pancreatic cancer.
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Affiliation(s)
- Mohsen Ahmadipour
- Institute of Power Engineering, Universiti Tenaga Nasional, 43650 Serdang, Selangor, Malaysia.
| | - Anish Bhattacharya
- Advanced Optical Materials Research Group, Department of Physics, Faculty of Science, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia; Ibnu Sina Institute of Laser Centre, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia
| | - Mohsen Sarafbidabad
- Biomedical Engineering Department, Faculty of Engineering, University of Isfahan, Isfahan, Iran
| | - Ezza Syuhada Sazali
- Advanced Optical Materials Research Group, Department of Physics, Faculty of Science, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia; Ibnu Sina Institute of Laser Centre, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia
| | - Sib Krishna Ghoshal
- Advanced Optical Materials Research Group, Department of Physics, Faculty of Science, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia; Ibnu Sina Institute of Laser Centre, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia
| | - Meenaloshini Satgunam
- Institute of Power Engineering, Universiti Tenaga Nasional, 43650 Serdang, Selangor, Malaysia; Department of Mechanical Engineering, Universiti Tenaga Nasional, 43650 Serdang, Selangor, Malaysia
| | - Ramesh Singh
- Institute of Power Engineering, Universiti Tenaga Nasional, 43650 Serdang, Selangor, Malaysia; Center of Advanced Manufacturing and Materials Processing (AMMP), Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia
| | - Mohammad Rezaei Ardani
- School of Materials and Mineral Resources Engineering, Universiti Sains Malaysia, Engineering Campus, 14300 Nibong Tebal, Pulau Pinang, Malaysia
| | - Nadhem Missaoui
- Laboratory of Interfaces and Advanced Materials, Faculty of Sciences, University of Monastir, Monastir, Tunisia
| | - Hamza Kahri
- Laboratory of Interfaces and Advanced Materials, Faculty of Sciences, University of Monastir, Monastir, Tunisia
| | - Ujjwal Pal
- Department of Analytical and Structural Chemistry, CSIR-Indian Institute of Chemical Technology, Hyderabad, India
| | - Ai Ling Pang
- Department of Chemical Science, Faculty of Science, Universiti Tunku Abdul Rahman, 31900 Kampar, Perak, Malaysia
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3
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D'Agata R, Bellassai N, Spoto G. Exploiting the design of surface plasmon resonance interfaces for better diagnostics: A perspective review. Talanta 2024; 266:125033. [PMID: 37562226 DOI: 10.1016/j.talanta.2023.125033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 08/01/2023] [Accepted: 08/03/2023] [Indexed: 08/12/2023]
Abstract
Surface Plasmon Resonance based-sensors are promising tools for precision diagnostics as they can provide tests useful for early and, whenever possible, non-invasive disease detection and monitoring. The design of novel, robust and effective interfaces enabling the sensing of a variety of molecular interactions in a highly selective and sensitive manner is a necessary step to obtain both accurate and reliable detection by SPR. This review covers the recent research efforts in this area, specifically emphasizing well-designed interfaces and applications in real-life samples. In particular, after a short introduction which identifies some of the critical challenges, the emerging strategies for the integration of the linker, the metal substrate and the recognition element on the sensing interface will be explored and discussed in three sections, as well as the opportunities for building SPR biosensors, easy to use, and with excellent sensitivities. Finally, a summary of some of the more promising and latest diagnostic applications will be provided, presenting a new window into the near-future perspectives.
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Affiliation(s)
- Roberta D'Agata
- Department of Chemical Sciences, University of Catania, Viale Andrea Doria, 6, 95125, Catania, Italy; INBB, Istituto Nazionale di Biostrutture e Biosistemi, Viale Delle Medaglie D'Oro, 305, 00136, Roma, Italy.
| | - Noemi Bellassai
- Department of Chemical Sciences, University of Catania, Viale Andrea Doria, 6, 95125, Catania, Italy; INBB, Istituto Nazionale di Biostrutture e Biosistemi, Viale Delle Medaglie D'Oro, 305, 00136, Roma, Italy
| | - Giuseppe Spoto
- Department of Chemical Sciences, University of Catania, Viale Andrea Doria, 6, 95125, Catania, Italy; INBB, Istituto Nazionale di Biostrutture e Biosistemi, Viale Delle Medaglie D'Oro, 305, 00136, Roma, Italy
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4
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Shokova MA, Bochenkov VE. Impact of Optical Cavity on Refractive Index Sensitivity of Gold Nanohole Arrays. Biosensors (Basel) 2023; 13:1038. [PMID: 38131798 PMCID: PMC10741978 DOI: 10.3390/bios13121038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/05/2023] [Accepted: 12/06/2023] [Indexed: 12/23/2023]
Abstract
Refractive index sensing based on surface plasmon resonance (SPR) is a highly efficient label-free technique for biomolecular detection. The performance of this method is defined by the dielectric properties of a sensing layer and its structure. Nanohole arrays in thin metal films provide good refractive index sensitivity but often suffer from a large resonance linewidth, which limits their broad practical application in biosensorics. Coupling the broad plasmon modes to sharp resonances can reduce the peak widths, but at the same time it can also degrade the sensitivity. Here, we use Finite-Difference Time Domain simulations to study the factors affecting the sensing performance of gold-silica-gold optical cavities with nanohole arrays in the dielectric and top metal layers. We demonstrate that by tuning resonator size and inter-hole spacing, the performance of the biosensor can be optimized and the figure of merit of the order of 5-7 is reached.
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5
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Masson JF, Wallace GQ, Asselin J, Ten A, Hojjat Jodaylami M, Faulds K, Graham D, Biggins JS, Ringe E. Optoplasmonic Effects in Highly Curved Surfaces for Catalysis, Photothermal Heating, and SERS. ACS Appl Mater Interfaces 2023; 15:46181-46194. [PMID: 37733583 PMCID: PMC10561152 DOI: 10.1021/acsami.3c07880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 09/06/2023] [Indexed: 09/23/2023]
Abstract
Surface curvature can be used to focus light and alter optical processes. Here, we show that curved surfaces (spheres, cylinders, and cones) with a radius of around 5 μm lead to maximal optoplasmonic properties including surface-enhanced Raman scattering (SERS), photocatalysis, and photothermal processes. Glass microspheres, microfibers, pulled fibers, and control flat substrates were functionalized with well-dispersed and dense arrays of 45 nm Au NP using polystyrene-block-poly-4-vinylpyridine (PS-b-P4VP) and chemically modified with 4-mercaptobenzoic acid (4-MBA, SERS reporter), 4-nitrobenzenethiol (4-NBT, reactive to plasmonic catalysis), or 4-fluorophenyl isocyanide (FPIC, photothermal reporter). The various curved substrates enhanced the plasmonic properties by focusing the light in a photonic nanojet and providing a directional antenna to increase the collection efficacy of SERS photons. The optoplasmonic effects led to an increase of up to 1 order of magnitude of the SERS response, up to 5 times the photocatalytic conversion of 4-NBT to 4,4'-dimercaptoazobenzene when the diameter of the curved surfaces was about 5 μm and a small increase in photothermal effects. Taken together, the results provide evidence that curvature enhances plasmonic properties and that its effect is maximal for spherical objects around a few micrometers in diameter, in agreement with a theoretical framework based on geometrical optics. These enhanced plasmonic effects and the stationary-phase-like plasmonic substrates pave the way to the next generation of sensors, plasmonic photocatalysts, and photothermal devices.
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Affiliation(s)
- Jean-Francois Masson
- Département
de chimie, Quebec center for advanced materials, Regroupement québécois
sur les matériaux de pointe, and Centre interdisciplinaire
de recherche sur le cerveau et l’apprentissage, Université de Montréal, C.P. 6128 Succ. Centre-Ville, Montréal, QC Canada, H3C 3J7
| | - Gregory Q. Wallace
- Centre
for Molecular Nanometrology, Department of Pure and Applied Chemistry,
Technology and Innovation Centre, University
of Strathclyde, 99 George Street, Glasgow G1 1RD, U.K.
| | - Jérémie Asselin
- Department
of Material Science and Metallurgy, University
of Cambridge, 27 Charles Babbage Road, Cambridge, U.K. CB3 0FS
- Department
of Earth Science, University of Cambridge, Downing Street, Cambridge, U.K. CB2 3EQ
| | - Andrey Ten
- Department
of Material Science and Metallurgy, University
of Cambridge, 27 Charles Babbage Road, Cambridge, U.K. CB3 0FS
- Department
of Earth Science, University of Cambridge, Downing Street, Cambridge, U.K. CB2 3EQ
| | - Maryam Hojjat Jodaylami
- Département
de chimie, Quebec center for advanced materials, Regroupement québécois
sur les matériaux de pointe, and Centre interdisciplinaire
de recherche sur le cerveau et l’apprentissage, Université de Montréal, C.P. 6128 Succ. Centre-Ville, Montréal, QC Canada, H3C 3J7
| | - Karen Faulds
- Centre
for Molecular Nanometrology, Department of Pure and Applied Chemistry,
Technology and Innovation Centre, University
of Strathclyde, 99 George Street, Glasgow G1 1RD, U.K.
| | - Duncan Graham
- Centre
for Molecular Nanometrology, Department of Pure and Applied Chemistry,
Technology and Innovation Centre, University
of Strathclyde, 99 George Street, Glasgow G1 1RD, U.K.
| | - John S. Biggins
- Engineering
Department, University of Cambridge, Trumpington Street, Cambridge, U.K. CB2 1PZ
| | - Emilie Ringe
- Department
of Material Science and Metallurgy, University
of Cambridge, 27 Charles Babbage Road, Cambridge, U.K. CB3 0FS
- Department
of Earth Science, University of Cambridge, Downing Street, Cambridge, U.K. CB2 3EQ
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6
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Majdinasab M, Lamy de la Chapelle M, Marty JL. Recent Progresses in Optical Biosensors for Interleukin 6 Detection. Biosensors (Basel) 2023; 13:898. [PMID: 37754132 PMCID: PMC10526799 DOI: 10.3390/bios13090898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 09/14/2023] [Accepted: 09/18/2023] [Indexed: 09/28/2023]
Abstract
Interleukin 6 (IL-6) is pleiotropic cytokine with pathological pro-inflammatory effects in various acute, chronic and infectious diseases. It is involved in a variety of biological processes including immune regulation, hematopoiesis, tissue repair, inflammation, oncogenesis, metabolic control, and sleep. Due to its important role as a biomarker of many types of diseases, its detection in small amounts and with high selectivity is of particular importance in medical and biological fields. Laboratory methods including enzyme-linked immunoassays (ELISAs) and chemiluminescent immunoassays (CLIAs) are the most common conventional methods for IL-6 detection. However, these techniques suffer from the complexity of the method, the expensiveness, and the time-consuming process of obtaining the results. In recent years, too many attempts have been conducted to provide simple, rapid, economical, and user-friendly analytical approaches to monitor IL-6. In this regard, biosensors are considered desirable tools for IL-6 detection because of their special features such as high sensitivity, rapid detection time, ease of use, and ease of miniaturization. In this review, current progresses in different types of optical biosensors as the most favorable types of biosensors for the detection of IL-6 are discussed, evaluated, and compared.
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Affiliation(s)
- Marjan Majdinasab
- Department of Food Science & Technology, School of Agriculture, Shiraz University, Shiraz 71441-65186, Iran;
| | - Marc Lamy de la Chapelle
- Institut des Molécules et Matériaux du Mans (IMMM—UMR 6283 CNRS), Le Mans Université, Avenue Olivier Messiaen, CEDEX 9, 72085 Le Mans, France;
| | - Jean Louis Marty
- BAE: Biocapteurs-Analyses-Environnement, University of Perpignan Via Domitia, 52 Avenue Paul Alduy, CEDEX 9, 66860 Perpignan, France
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7
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Semeniak D, Cruz DF, Chilkoti A, Mikkelsen MH. Plasmonic Fluorescence Enhancement in Diagnostics for Clinical Tests at Point-of-Care: A Review of Recent Technologies. Adv Mater 2023; 35:e2107986. [PMID: 35332957 PMCID: PMC9986847 DOI: 10.1002/adma.202107986] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 01/26/2022] [Indexed: 05/31/2023]
Abstract
Fluorescence-based biosensors have widely been used in the life-sciences and biomedical applications due to their low limit of detection and a diverse selection of fluorophores that enable simultaneous measurements of multiple biomarkers. Recent research effort has been made to implement fluorescent biosensors into the exploding field of point-of-care testing (POCT), which uses cost-effective strategies for rapid and affordable diagnostic testing. However, fluorescence-based assays often suffer from their feeble signal at low analyte concentrations, which often requires sophisticated, costly, and bulky instrumentation to maintain high detection sensitivity. Metal- and metal oxide-based nanostructures offer a simple solution to increase the output signal from fluorescent biosensors due to the generation of high field enhancements close to a metal or metal oxide surface, which has been shown to improve the excitation rate, quantum yield, photostability, and radiation pattern of fluorophores. This article provides an overview of existing biosensors that employ various strategies for fluorescence enhancement via nanostructures and have demonstrated the potential for use as POCT. Biosensors using nanostructures such as planar substrates, freestanding nanoparticles, and metal-dielectric-metal nanocavities are discussed with an emphasis placed on technologies that have shown promise towards POCT applications without the need for centralized laboratories.
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Affiliation(s)
- Daria Semeniak
- Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA
| | - Daniela F. Cruz
- Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA
| | - Ashutosh Chilkoti
- Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA
| | - Maiken H. Mikkelsen
- Department of Electrical and Computer Engineering, Duke University, Durham, NC 27708, USA
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8
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Loyez M, Adolphson M, Liao J, Yang L. From Whispering Gallery Mode Resonators to Biochemical Sensors. ACS Sens 2023. [PMID: 37390481 DOI: 10.1021/acssensors.2c02876] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/02/2023]
Abstract
Optical biosensors are frontrunners for the rapid and real-time detection of analytes, particularly for low concentrations. Among them, whispering gallery mode (WGM) resonators have recently attracted a growing focus due to their robust optomechanical features and high sensitivity, measuring down to single binding events in small volumes. In this review, we provide a broad overview of WGM sensors along with critical advice and additional "tips and tricks" to make them more accessible to both biochemical and optical communities. Their structures, fabrication methods, materials, and surface functionalization chemistries are discussed. We propose this reflection under a pedagogical approach to describe and explain these biochemical sensors with a particular focus on the most recent achievements in the field. In addition to highlighting the advantages of WGM sensors, we also discuss and suggest strategies to overcome their current limitations, leaving room for further development as practical tools in various applications. We aim to provide new insights and combine different knowledge and perspectives to advance the development of the next generation of WGM biosensors. With their unique advantages and compatibility with different sensing modalities, these biosensors have the potential to become major game changers for biomedical and environmental monitoring, among many other relevant target applications.
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Affiliation(s)
- Médéric Loyez
- Department of Electrical & Systems Engineering, Washington University, One Brookings Drive Green Hall 2120F, St. Louis, Missouri 63130, United States
| | - Maxwell Adolphson
- Department of Electrical & Systems Engineering, Washington University, One Brookings Drive Green Hall 2120F, St. Louis, Missouri 63130, United States
| | - Jie Liao
- Department of Electrical & Systems Engineering, Washington University, One Brookings Drive Green Hall 2120F, St. Louis, Missouri 63130, United States
| | - Lan Yang
- Department of Electrical & Systems Engineering, Washington University, One Brookings Drive Green Hall 2120F, St. Louis, Missouri 63130, United States
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9
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Wang Z, Chen W, Liu X, Lin S, Deng B, Shen J, Li F, Zhu J. Plasmonic metasurface enhanced by nanobumps for label-free biosensing of lung tumor markers in serum. Talanta 2023; 264:124731. [PMID: 37285700 DOI: 10.1016/j.talanta.2023.124731] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 05/09/2023] [Accepted: 05/23/2023] [Indexed: 06/09/2023]
Abstract
Plasmonic metasurface biosensing has excellent potential in label-free detection of tumor biomarkers. In general, a variety of plasmonic metasurface nanofabrication leads to various degree of metallic surface roughness. However, the metasurface roughness effects on plasmonic sensing of tumor markers have been barely reported. Here we fabricate high-roughness (HR) gold nanohole metasurfaces with nanobumps and investigate their biosensing in comparison with the low-roughness (LR) counterparts. The HR metasurfaces demonstrate the surface sensitivity of multilayer polyelectrolyte molecules, which is 57.0% higher than the LR ones. The HR metasurfaces also illuminate higher immunoassay sensitivity to multiple lung cancer biomarkers, including carcinoembryonic antigen, neuron-specific enolase and cytokeratin fragment 21-1. The highest increasement of tumor marker sensitivity is up to 71.4%. The biosensing enhancement is attributed to the introduction of gold nanobumps on metasurfaces, which provides more hot-spot regions, higher localized near-field intensity and better optical impedance matching. Furthermore, the biosensing of HR metasurfaces effectively covers the threshold values of tumor markers for early lung cancer diagnosis, and is used for the detection of clinical serum samples. The testing deviation is less than 4% compared with commercial immunoassay, which implies promising applications on medical examinations. Our research provides a scientific guide to surface roughness engineering for plasmonic metasensing in the future point-of-care testing.
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Affiliation(s)
- Zhenbiao Wang
- Institute of Electromagnetics and Acoustics and Key Laboratory of Electromagnetic Wave Science and Detection Technology, Xiamen University, Xiamen, 361005, China; Shenzhen Research Institute of Xiamen University, Shenzhen, 518057, China
| | - Wei Chen
- Institute of Electromagnetics and Acoustics and Key Laboratory of Electromagnetic Wave Science and Detection Technology, Xiamen University, Xiamen, 361005, China
| | - Xueying Liu
- Institute of Electromagnetics and Acoustics and Key Laboratory of Electromagnetic Wave Science and Detection Technology, Xiamen University, Xiamen, 361005, China
| | - Shaowei Lin
- The First Affiliated Hospital of Xiamen University, Xiamen, 361003, China
| | - Baichang Deng
- Institute of Electromagnetics and Acoustics and Key Laboratory of Electromagnetic Wave Science and Detection Technology, Xiamen University, Xiamen, 361005, China
| | - Jiaqing Shen
- Institute of Electromagnetics and Acoustics and Key Laboratory of Electromagnetic Wave Science and Detection Technology, Xiamen University, Xiamen, 361005, China
| | - Fajun Li
- Institute of Electromagnetics and Acoustics and Key Laboratory of Electromagnetic Wave Science and Detection Technology, Xiamen University, Xiamen, 361005, China
| | - Jinfeng Zhu
- Institute of Electromagnetics and Acoustics and Key Laboratory of Electromagnetic Wave Science and Detection Technology, Xiamen University, Xiamen, 361005, China; Shenzhen Research Institute of Xiamen University, Shenzhen, 518057, China.
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10
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Pellas V, Sallem F, Blanchard J, Miche A, Concheso SM, Méthivier C, Salmain M, Boujday S. Silica-coated gold nanorods biofunctionalization for localized surface plasmon resonance (LSPR) biosensing. Talanta 2023; 255:124245. [PMID: 36610258 DOI: 10.1016/j.talanta.2022.124245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 12/06/2022] [Accepted: 12/30/2022] [Indexed: 01/01/2023]
Abstract
We introduce here the engineering of nanobiosensors designed from gold nanorods coated with an ultrathin layer of silica (AuNR@SiO2) and biofunctionalized with antibodies for the Localized Surface Plasmon Resonance (LSPR) biosensing of proteins. Despite the outstanding properties of AuNRs, their use for LSPR biosensing is limited due to the presence of the surfactant cetyltrimethylammonium bromide (CTAB) - mandatory for their synthesis - which forms a strongly-bounded and positively-charged bilayer at their surface and significantly complicates their bio-functionalization. When coated with a thin layer of silica, these nanomaterials exhibit an improved sensitivity to refractive index change which augurs for better analytical performances. Here, we undertook an in-depth investigation of the biofunctionalization of AuNR@SiO2via three different routes to design and test a label-free LSPR biosensor operating in solution. In the first route, we took advantage of the negatively charged external silica shell to immobilize anti-rabbit IgG antibody by electrostatic physisorption. In the second and third routes, the silica surface was reacted with thiol or aldehyde terminated silanes, subsequently utilized to covalently attach anti-rabbit IgG antibody to the surface. The resulting nanoprobes were characterized by a wide range of physical methods (TEM, XPS, DLS, ELS and UV-Visible spectroscopy) then tested for the biosensing of rabbit-IgG. The three nanobiosensors maintain an excellent colloidal stability after analyte recognition and exhibit extremely high analytical performances in terms of specificity and dynamic range, with an LoD down to 12 ng/mL.
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Affiliation(s)
- Vincent Pellas
- Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface (LRS), F-75005, Paris, France; Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire (IPCM), F-75005, Paris, France
| | - Fadoua Sallem
- Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface (LRS), F-75005, Paris, France
| | - Juliette Blanchard
- Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface (LRS), F-75005, Paris, France
| | - Antoine Miche
- Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface (LRS), F-75005, Paris, France
| | - Sara Martinez Concheso
- Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface (LRS), F-75005, Paris, France
| | - Christophe Méthivier
- Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface (LRS), F-75005, Paris, France
| | - Michèle Salmain
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire (IPCM), F-75005, Paris, France.
| | - Souhir Boujday
- Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface (LRS), F-75005, Paris, France.
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11
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Hajareh Haghighi F, Mercurio M, Cerra S, Salamone TA, Bianymotlagh R, Palocci C, Romano Spica V, Fratoddi I. Surface modification of TiO 2 nanoparticles with organic molecules and their biological applications. J Mater Chem B 2023; 11:2334-2366. [PMID: 36847384 DOI: 10.1039/d2tb02576k] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
In recent years, titanium(IV) dioxide nanoparticles (TiO2NPs) have shown promising potential in various biological applications such as antimicrobials, drug delivery, photodynamic therapy, biosensors, and tissue engineering. For employing TiO2NPs in these fields, their nanosurface must be coated or conjugated with organic and/or inorganic agents. This modification can improve their stability, photochemical properties, biocompatibility, and even surface area for further conjugation with other molecules such as drugs, targeting molecules, polymers, etc. This review describes the organic-based modification of TiO2NPs and their potential applications in the mentioned biological fields. In the first part of this review, around 75 recent publications (2017-2022) are mentioned on the common TiO2NP modifiers including organosilanes, polymers, small molecules, and hydrogels, which improve the photochemical features of TiO2NPs. In the second part of this review, we presented 149 recent papers (2020-2022) about the use of modified TiO2NPs in biological applications, in which specific bioactive modifiers are introduced in this part with their advantages. In this review, the following information is presented: (1) the common organic modifiers for TiO2NPs, (2) biologically important modifiers and their benefits, and (3) recent publications on biological studies on the modified TiO2NPs with their achievements. This review shows the paramount significance of the organic-based modification of TiO2NPs to enhance their biological effectiveness, paving the way toward the development of advanced TiO2-based nanomaterials in nanomedicine.
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Affiliation(s)
- Farid Hajareh Haghighi
- Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy.
| | - Martina Mercurio
- Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy.
| | - Sara Cerra
- Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy.
| | | | - Roya Bianymotlagh
- Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy.
| | - Cleofe Palocci
- Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy. .,Research Center for Applied Sciences to the Safeguard of Environment and Cultural Heritage (CIABC), Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Vincenzo Romano Spica
- Department of Movement, Health and Human Sciences, University of Rome Foro Italico, Piazza Lauro De Bosis, 15, 00135 Rome, Italy
| | - Ilaria Fratoddi
- Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185, Rome, Italy.
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12
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Herrera-Domínguez M, Morales-Luna G, Mahlknecht J, Cheng Q, Aguilar-Hernández I, Ornelas-Soto N. Optical Biosensors and Their Applications for the Detection of Water Pollutants. Biosensors (Basel) 2023; 13:bios13030370. [PMID: 36979582 PMCID: PMC10046542 DOI: 10.3390/bios13030370] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/01/2023] [Accepted: 03/02/2023] [Indexed: 05/14/2023]
Abstract
The correct detection and quantification of pollutants in water is key to regulating their presence in the environment. Biosensors offer several advantages, such as minimal sample preparation, short measurement times, high specificity and sensibility and low detection limits. The purpose of this review is to explore the different types of optical biosensors, focusing on their biological elements and their principle of operation, as well as recent applications in the detection of pollutants in water. According to our literature review, 33% of the publications used fluorescence-based biosensors, followed by surface plasmon resonance (SPR) with 28%. So far, SPR biosensors have achieved the best results in terms of detection limits. Although less common (22%), interferometers and resonators (4%) are also highly promising due to the low detection limits that can be reached using these techniques. In terms of biological recognition elements, 43% of the published works focused on antibodies due to their high affinity and stability, although they could be replaced with molecularly imprinted polymers. This review offers a unique compilation of the most recent work in the specific area of optical biosensing for water monitoring, focusing on both the biological element and the transducer used, as well as the type of target contaminant. Recent technological advances are discussed.
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Affiliation(s)
- Marcela Herrera-Domínguez
- Tecnológico de Monterrey, Escuela de Ingeniería y Ciencias, Ave. Eugenio Garza Sada 2501, Monterrey 64849, Mexico
| | - Gesuri Morales-Luna
- Departamento de Física y Matemáticas, Universidad Iberoamericana, Prolongación Paseo de la Reforma 880, Mexico City 01219, Mexico
| | - Jürgen Mahlknecht
- Tecnológico de Monterrey, Escuela de Ingeniería y Ciencias, Ave. Eugenio Garza Sada 2501, Monterrey 64849, Mexico
| | - Quan Cheng
- Department of Chemistry, University of California, Riverside, CA 92521, USA
| | - Iris Aguilar-Hernández
- Tecnológico de Monterrey, Escuela de Ingeniería y Ciencias, Ave. Eugenio Garza Sada 2501, Monterrey 64849, Mexico
- Correspondence: (I.A.-H.); (N.O.-S.)
| | - Nancy Ornelas-Soto
- Tecnológico de Monterrey, Escuela de Ingeniería y Ciencias, Ave. Eugenio Garza Sada 2501, Monterrey 64849, Mexico
- Correspondence: (I.A.-H.); (N.O.-S.)
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13
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Ziai Y, Rinoldi C, Nakielski P, De Sio L, Pierini F. Smart plasmonic hydrogels based on gold and silver nanoparticles for biosensing application. Current Opinion in Biomedical Engineering 2022. [DOI: 10.1016/j.cobme.2022.100413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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14
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Malinovskis U, Popļausks R, Jurkevičiu̅tė A, Dutovs A, Berzins K, Perkanuks V, Simka W, Muiznieks I, Erts D, Prikulis J. Optimization of Colloidal Gold Nanoparticles on Porous Anodic Aluminum Oxide Substrates for Refractometric Sensing. ACS Omega 2022; 7:40324-40332. [PMID: 36385891 PMCID: PMC9648095 DOI: 10.1021/acsomega.2c05305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 10/14/2022] [Indexed: 06/16/2023]
Abstract
A new composite metal-insulator-metal (MIM) system consisting of exceptionally dense non-close-packed (NCP) arrays of gold or silver nanoparticles, porous anodic aluminum oxide (PAAO), and bulk aluminum substrate interacts strongly with visible light and may become a very useful component for optical applications. The proposed MIM structure can be synthesized using accessible lithography-free chemical and physical processes (anodization and capillary force assisted colloidal particle deposition) that are suitable for the low-cost production of specialized devices. Here, we present a systematic study to determine the essential MIM structure parameters (nanoparticle size and PAAO layer thickness) for localized surface plasmon resonance (LSPR) refractometric sensing. A performance comparison was done by recording the spectra of scattered light upon angled illumination in media with different refractive indices. A clear advantage for maximizing the signal to background ratio was observed in the case of 60 and 80 nm Au nanoparticles with a PAAO thickness in a narrow range between 300 and 375 nm. Sensitivity exceeding a 200 nm peak wavelength shift per refractive index unit was found for 60 nm Au nanoparticles on approximately 500-nm-thick PAAO. The experimental observations were supported by finite-difference time-domain (FDTD) simulations.
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Affiliation(s)
- Uldis Malinovskis
- Institute
of Chemical Physics, University of Latvia, 19 Raina Blvd., Riga LV-1586, Latvia
| | - Raimonds Popļausks
- Institute
of Chemical Physics, University of Latvia, 19 Raina Blvd., Riga LV-1586, Latvia
| | - Aušrinė Jurkevičiu̅tė
- Institute
of Chemical Physics, University of Latvia, 19 Raina Blvd., Riga LV-1586, Latvia
| | - Aleksandrs Dutovs
- Institute
of Chemical Physics, University of Latvia, 19 Raina Blvd., Riga LV-1586, Latvia
| | - Karlis Berzins
- Institute
of Chemical Physics, University of Latvia, 19 Raina Blvd., Riga LV-1586, Latvia
| | - Vladislavs Perkanuks
- Institute
of Chemical Physics, University of Latvia, 19 Raina Blvd., Riga LV-1586, Latvia
| | - Wojciech Simka
- Faculty
of Chemistry, Silesian University of Technology, B. Krzywoustego Street 6, 44-100 Gliwice, Poland
| | - Indrikis Muiznieks
- Faculty
of Biology, University of Latvia, 1 Jelgavas Str., Riga LV-1004, Latvia
| | - Donats Erts
- Institute
of Chemical Physics, University of Latvia, 19 Raina Blvd., Riga LV-1586, Latvia
- Faculty
of Chemistry, University of Latvia, 19 Raina Blvd., Riga LV-1586, Latvia
| | - Juris Prikulis
- Institute
of Chemical Physics, University of Latvia, 19 Raina Blvd., Riga LV-1586, Latvia
- Faculty
of Physics, Mathematics, and Optometry, University of Latvia, 3 Jelgavas Str., Riga LV-1004, Latvia
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15
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Slabý J, Homola J. Performance of label-free optical biosensors: What is figure of merit (not) telling us? Biosens Bioelectron 2022; 212:114426. [DOI: 10.1016/j.bios.2022.114426] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 05/13/2022] [Accepted: 05/24/2022] [Indexed: 11/23/2022]
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16
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Thomsen JD, Reidy K, Pham T, Klein J, Osherov A, Dana R, Ross FM. Suspended Graphene Membranes to Control Au Nucleation and Growth. ACS Nano 2022; 16:10364-10371. [PMID: 35849654 DOI: 10.1021/acsnano.2c00405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Control of nucleation sites is an important goal in materials growth: nuclei in regular arrays may show emergent photonic or electronic behavior, and once the nuclei coalesce into thin films, the nucleation density influences parameters such as surface roughness, stress, and grain boundary structure. Tailoring substrate properties to control nucleation is therefore a powerful tool for designing functional thin films and nanomaterials. Here, we examine nucleation control for metals deposited on two-dimensional materials in a situation where substrate effects are absent and heterogeneous nucleation sites are minimized. Through quantification of faceted, epitaxial Au island nucleation on graphene, we show that ultralow nucleation densities with nuclei several micrometers apart can be achieved on suspended graphene under conditions where we measure 2-3 orders of magnitude higher nucleation density on the adjacent supported substrate. We estimate diffusion distances using nucleation theory and find a strong sensitivity of nucleation and diffusion to suspended graphene thickness. Finally, we discuss the role of surface roughness as the main factor determining nucleation density on clean free-standing graphene.
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Affiliation(s)
- Joachim Dahl Thomsen
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts02139, United States
| | - Kate Reidy
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts02139, United States
| | - Thang Pham
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts02139, United States
| | - Julian Klein
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts02139, United States
| | - Anna Osherov
- Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, Massachusetts02139, United States
| | - Rami Dana
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts02139, United States
| | - Frances M Ross
- Department of Materials Science and Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts02139, United States
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17
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Serafinelli C, Fantoni A, Alegria ECBA, Vieira M. Hybrid Nanocomposites of Plasmonic Metal Nanostructures and 2D Nanomaterials for Improved Colorimetric Detection. Chemosensors 2022; 10:237. [DOI: 10.3390/chemosensors10070237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Plasmonic phenomena and materials have been extensively investigated for a long time and gained popularity in the last few years, finding in the design of the biosensors platforms promising applications offering devices with excellent performances. Hybrid systems composed of graphene, or other 2D materials, and plasmonic metal nanostructures present extraordinary optical properties originated from the synergic connection between plasmonic optical effects and the unusual physicochemical properties of 2D materials, thus improving their application in a broad range of fields. In this work, firstly, an overview of the structures and properties of 2D nanomaterials will be provided along with the physics of surface plasmon resonance and localized surface plasmon resonance. In the second part of the work, some examples of colorimetric biosensors exploiting the outstanding properties of hybrids nanocomposites will be presented. Finally, concluding perspectives on the actual status, challenges, and future directions in plasmonic sensing biosensing will be provided. Special emphasis will be given to how this technology can be used to support digitalization and virtualization in pandemic handling.
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18
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Na HK, Yoo CH, Choi JK, Ok JG, Chung CH, Wi JS. Nanoplasmonic Sensor Chip Readable in a Conventional Plate Reader. BioChip J 2022. [DOI: 10.1007/s13206-022-00059-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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19
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Zhang X, Yan S, Chen Z, Ren Y, Zhang Y, Liu P, Shen L, Li T. Refractive index sensor based on a ring with a disk-shaped cavity for temperature detection applications. Appl Opt 2022; 61:3997-4004. [PMID: 36256072 DOI: 10.1364/ao.454522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 04/12/2022] [Indexed: 06/16/2023]
Abstract
In this study, we proposed a novel refractive index sensor structure, comprising a metal-insulator-metal (MIM) waveguide and a circular ring containing a disk-shaped cavity (CRDC). The finite element method was used to theoretically analyze the sensor characteristics. The simulation results showed that the disk-shaped cavity is the key to the asymmetric Fano resonance, and the radius of the CRDC has a significant influence on the performance of the sensor. A maximum sensitivity and figure of merit (FOM) of 2240 nm/RIU and 62.5, respectively, were realized. Additionally, the refractive index sensor exhibits the potential of aiding in temperature detection owing to its simple structure and high sensitivity of 1.186 nm/ºC.
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20
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Zhang X, Yan S, Liu J, Ren Y, Zhang Y, Shen L. Refractive Index Sensor Based on a Metal-Insulator-Metal Bus Waveguide Coupled with a U-Shaped Ring Resonator. Micromachines 2022; 13:750. [PMID: 35630217 PMCID: PMC9144545 DOI: 10.3390/mi13050750] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 05/06/2022] [Accepted: 05/07/2022] [Indexed: 02/04/2023]
Abstract
In this study, a novel refractive index sensor structure was designed consisting of a metal-insulator-metal (MIM) waveguide with two rectangular baffles and a U-Shaped Ring Resonator (USRR). The finite element method was used to theoretically investigate the sensor’s transmission characteristics. The simulation results show that Fano resonance is a sharp asymmetric resonance generated by the interaction between the discrete narrow-band mode and the successive wide-band mode. Next, the formation of broadband and narrowband is further studied, and finally the key factors affecting the performance of the sensor are obtained. The best sensitivity of this refractive-index sensor is 2020 nm/RIU and the figure of merit (FOM) is 53.16. The presented sensor has the potential to be useful in nanophotonic sensing applications.
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21
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Dai B, Xu Y, Wang T, Wang S, Tang L, Tang J. Recent Advances in Agglomeration Detection and Dual-Function Application of Surface-Enhanced Raman Scattering (SERS). J Biomed Nanotechnol 2022. [DOI: 10.1166/jbn.2022.3356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Surface-enhanced Raman scattering (SERS) has been widely utilized in early detection of disease biomarkers, cell imaging, and trace contamination detection, owing to its ultra-high sensitivity. However, it is also subject to certain application restrictions in virtue of its expensive
detection equipment and long-term stability of SERS-active substrate. Recently, great progress has been made in SERS technology, represented by agglomeration method. Dual readout signal detection methods are combined with SERS, including electrochemical detection, fluorescence detection, etc.,
establishing a new fantastic viewpoint for application of SERS. In this review, we have made a comprehensive report on development of agglomeration detection and dual-function detection methods based on SERS. The synthesis methods for plasmonic materials and mainstream SERS enhancement mechanism
are also summarized. Finally, the key facing challenges are discussed and prospects are addressed.
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Affiliation(s)
- Bailin Dai
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, National & Local Joint Engineering Research Center for Advanced Packaging Material and Technology, Hunan University of Technology, Zhuzhou 412007, P. R. China
| | - Yue Xu
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, National & Local Joint Engineering Research Center for Advanced Packaging Material and Technology, Hunan University of Technology, Zhuzhou 412007, P. R. China
| | - Tao Wang
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, National & Local Joint Engineering Research Center for Advanced Packaging Material and Technology, Hunan University of Technology, Zhuzhou 412007, P. R. China
| | - Shasha Wang
- Engineering Research Center in Biomaterials, Sichuan University, Chengdu 610065, Sichuan, P. R. China
| | - Li Tang
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, National & Local Joint Engineering Research Center for Advanced Packaging Material and Technology, Hunan University of Technology, Zhuzhou 412007, P. R. China
| | - Jianxin Tang
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, National & Local Joint Engineering Research Center for Advanced Packaging Material and Technology, Hunan University of Technology, Zhuzhou 412007, P. R. China
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22
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Nocerino V, Miranda B, Tramontano C, Chianese G, Dardano P, Rea I, De Stefano L. Plasmonic Nanosensors: Design, Fabrication, and Applications in Biomedicine. Chemosensors 2022; 10:150. [DOI: 10.3390/chemosensors10050150] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Current advances in the fabrication of smart nanomaterials and nanostructured surfaces find wide usage in the biomedical field. In this context, nanosensors based on localized surface plasmon resonance exhibit unprecedented optical features that can be exploited to reduce the costs, analytic times, and need for expensive lab equipment. Moreover, they are promising for the design of nanoplatforms with multiple functionalities (e.g., multiplexed detection) with large integration within microelectronics and microfluidics. In this review, we summarize the most recent design strategies, fabrication approaches, and bio-applications of plasmonic nanoparticles (NPs) arranged in colloids, nanoarrays, and nanocomposites. After a brief introduction on the physical principles behind plasmonic nanostructures both as inherent optical detection and as nanoantennas for external signal amplification, we classify the proposed examples in colloid-based devices when plasmonic NPs operate in solution, nanoarrays when they are assembled or fabricated on rigid substrates, and nanocomposites when they are assembled within flexible/polymeric substrates. We highlight the main biomedical applications of the proposed devices and offer a general overview of the main strengths and limitations of the currently available plasmonic nanodevices.
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23
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Uchida T, Nakamura A, Shimazaki H, Kanie Y, Kanie O. Surface Modification of Porous Silica Particles with Carbohydrate Scaffolds as Receptor Components for Molecular Recognition. Chempluschem 2022; 87:e202100563. [DOI: 10.1002/cplu.202100563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/20/2022] [Indexed: 11/05/2022]
Affiliation(s)
- Tsukasa Uchida
- Tokai University School of Engineering Graduate School of Engineering: Tokai Daigaku Kogakubu Daigakuin Kogaku Kenkyuka Department of Applied Biochemistry JAPAN
| | - Ayano Nakamura
- Tokai University School of Engineering Graduate School of Engineering: Tokai Daigaku Kogakubu Daigakuin Kogaku Kenkyuka Department of Applied Biochemistry JAPAN
| | - Hannah Shimazaki
- Tokai University School of Engineering Graduate School of Engineering: Tokai Daigaku Kogakubu Daigakuin Kogaku Kenkyuka Department of Applied Biochemistry JAPAN
| | - Yoshimi Kanie
- Tokai University - Shonan Campus: Tokai Daigaku Research Promotion Devision JAPAN
| | - Osamu Kanie
- Tokai University School of Engineering Graduate School of Engineering: Tokai Daigaku Kogakubu Daigakuin Kogaku Kenkyuka Department of Applied Biochemistry 4-1-1 KitakanameHiratsuka 259-1292 Kanagawa JAPAN
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24
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Kurt H, Pishva P, Pehlivan ZS, Arsoy EG, Saleem Q, Bayazıt MK, Yüce M. Nanoplasmonic biosensors: Theory, structure, design, and review of recent applications. Anal Chim Acta 2021; 1185:338842. [PMID: 34711322 DOI: 10.1016/j.aca.2021.338842] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 07/04/2021] [Accepted: 07/05/2021] [Indexed: 11/20/2022]
Abstract
Nanoplasmonic biosensing shows an immense potential to satisfy the needs of the global health industry - low-cost, fast, and portable automated systems; highly sensitive and real-time detection; multiplexing and miniaturization. In this review, we presented the theory of nanoplasmonic biosensing for popular detection schemes - SPR, LSPR, and EOT - and underline the consideration for nanostructure design, material selection, and their effects on refractometric sensing performance. Later, we covered the bottom-up and top-down nanofabrication methods for nanoplasmonic biosensors. Subsequently, we reviewed the recent examples of nanoplasmonic biosensors over a wide range of clinically relevant analytes in the diagnosis and prognosis of a wide range of diseases and conditions such as biomarker proteins, infectious bacteria, viral agents. Finally, we discussed the challenges of nanoplasmonic biosensing toward clinical translation and proposed strategic avenues to be competitive against current clinical detection methods. Hopefully, nanoplasmonic biosensing can realize its potential through successful demonstrations of clinical translation in the upcoming years.
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25
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Chen YC, Chou YC, Chang JH, Chen LT, Huang CJ, Chau LK, Chen YL. Dual-functional gold-iron oxide core-satellite hybrid nanoparticles for sensitivity enhancement in biosensors via nanoplasmonic and preconcentration effects. Analyst 2021; 146:6935-6943. [PMID: 34647547 DOI: 10.1039/d1an01334c] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A common strategy to improve the sensitivity of a biosensor for the detection of a low abundance analyte is to preconcentrate the analyte molecules before detection. A dual-functional gold-iron oxide core-satellite hybrid nanoparticle structure is proposed in this work to overcome the drawbacks of traditional sample pretreatment methods and the methods using non-magnetic nanomaterials for sample pretreatment. The new dual-functional hybrid nanoparticle structure can simultaneously serve as a signal reporter of a biorecognition event and a preconcentrator of a target at an extremely low concentration in a nanoplasmonic biosensor. By utilizing a fiber optic nanogold-linked sorbent assay in the fiber optic particle plasmon resonance (FOPPR) biosensor and an arbitrary DNA sequence as a target, we have demonstrated that the use of the new hybrid nanoparticle structure with magnetic preconcentration improves the limit of detection (LOD) for the DNA by 18 times as compared to the same method without magnetic preconcentration, so that the LOD for detecting the DNA can be as low as 2.6 fM. The new hybrid nanoparticle structure is easy to prepare and its use in the high-sensitivity and low-cost FOPPR biosensor provides vast opportunities in point-of-care applications.
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Affiliation(s)
- Yi-Chen Chen
- Department of Chemistry and Biochemistry, National Chung Cheng University, Chiayi 621, Taiwan.
| | - Yu-Chen Chou
- Department of Chemistry and Biochemistry, National Chung Cheng University, Chiayi 621, Taiwan.
| | - Jui-Han Chang
- Department of Chemistry and Biochemistry, National Chung Cheng University, Chiayi 621, Taiwan.
| | - Li-Ting Chen
- Department of Chemistry and Biochemistry, National Chung Cheng University, Chiayi 621, Taiwan.
| | - Chun-Jen Huang
- Department of Chemical and Materials Engineering, NCU-Covestro Research Center, National Central University, Jhong-Li, Taoyuan 320, Taiwan.,R&D Center for Membrane Technology, Chung Yuan Christian University, 200 Chung Pei Rd., Chung-Li City 32023, Taiwan
| | - Lai-Kwan Chau
- Department of Chemistry and Biochemistry, National Chung Cheng University, Chiayi 621, Taiwan. .,Center for Nano Bio-Detection, National Chung Cheng University, Chiayi 621, Taiwan
| | - Yen-Ling Chen
- Department of Chemistry and Biochemistry, National Chung Cheng University, Chiayi 621, Taiwan. .,Center for Nano Bio-Detection, National Chung Cheng University, Chiayi 621, Taiwan
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26
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Soler M, Lechuga LM. Biochemistry strategies for label-free optical sensor biofunctionalization: advances towards real applicability. Anal Bioanal Chem 2021; 414:5071-5085. [PMID: 34735605 PMCID: PMC9242939 DOI: 10.1007/s00216-021-03751-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Revised: 10/18/2021] [Accepted: 10/22/2021] [Indexed: 12/01/2022]
Abstract
Label-free biosensors, and especially those based on optical transducers like plasmonic or silicon photonic systems, have positioned themselves as potential alternatives for rapid and highly sensitive clinical diagnostics, on-site environmental monitoring, and for quality control in foods or other industrial applications, among others. However, most of the biosensor technology has not yet been transferred and implemented in commercial products. Among the several causes behind that, a major challenge is the lack of standardized protocols for sensor biofunctionalization. In this review, we summarize the most common methodologies for sensor surface chemical modification and bioreceptor immobilization, discussing their advantages and limitations in terms of analytical sensitivity and selectivity, reproducibility, and versatility. Special focus is placed on the suggestions of innovative strategies towards antifouling and biomimetic functional coatings to boost the applicability and reliability of optical biosensors in clinics and biomedicine. Finally, a brief overview of research directions in the area of device integration, automation, and multiplexing will give a glimpse of the future perspectives for label-free optical biosensors.
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Affiliation(s)
- Maria Soler
- Nanobiosensors and Bioanalytical Applications Group (NanoB2A), Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, BIST, and CIBER-BBN, Bellaterra, 08193, Barcelona, Spain.
| | - Laura M Lechuga
- Nanobiosensors and Bioanalytical Applications Group (NanoB2A), Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, BIST, and CIBER-BBN, Bellaterra, 08193, Barcelona, Spain
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Burtscher B, Manco Urbina PA, Diacci C, Borghi S, Pinti M, Cossarizza A, Salvarani C, Berggren M, Biscarini F, Simon DT, Bortolotti CA. Sensing Inflammation Biomarkers with Electrolyte-Gated Organic Electronic Transistors. Adv Healthc Mater 2021; 10:e2100955. [PMID: 34423579 DOI: 10.1002/adhm.202100955] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 07/16/2021] [Indexed: 01/08/2023]
Abstract
An overview of cytokine biosensing is provided, with a focus on the opportunities provided by organic electronic platforms for monitoring these inflammation biomarkers which manifest at ultralow concentration levels in physiopathological conditions. Specifically, two of the field's state-of-the-art technologies-organic electrochemical transistors (OECTs) and electrolyte gated organic field effect transistors (EGOFETs)-and their use in sensing cytokines and other proteins associated with inflammation are a particular focus. The overview will include an introduction to current clinical and "gold standard" quantification techniques and their limitations in terms of cost, time, and required infrastructure. A critical review of recent progress with OECT- and EGOFET-based protein biosensors is presented, alongside a discussion onthe future of these technologies in the years and decades ahead. This is especially timely as the world grapples with limited healthcare diagnostics during the Coronavirus disease (COVID-19)pandemic where one of the worst-case scenarios for patients is the "cytokine storm." Clearly, low-cost point-of-care technologies provided by OECTs and EGOFETs can ease the global burden on healthcare systems and support professionals by providing unprecedented wealth of data that can help to monitor disease progression in real time.
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Affiliation(s)
- Bernhard Burtscher
- Laboratory of Organic Electronics Department of Science and Technology Linköping University Norrköping 60174 Sweden
| | | | - Chiara Diacci
- Laboratory of Organic Electronics Department of Science and Technology Linköping University Norrköping 60174 Sweden
| | - Simone Borghi
- Department of Life Sciences University of Modena and Reggio Emilia Via Campi 103 Modena 41125 Italy
| | - Marcello Pinti
- Department of Life Sciences University of Modena and Reggio Emilia Via Campi 103 Modena 41125 Italy
| | - Andrea Cossarizza
- Department of Medical and Surgical Sciences for Children and Adults University of Modena and Reggio Emilia Via Campi 287 Modena 41125 Italy
| | - Carlo Salvarani
- Rheumatology Unit University of Modena and Reggio Emilia Medical School Azienda Ospedaliero‐Universitaria Policlinico di Modena Modena 41124 Italy
| | - Magnus Berggren
- Laboratory of Organic Electronics Department of Science and Technology Linköping University Norrköping 60174 Sweden
| | - Fabio Biscarini
- Department of Life Sciences University of Modena and Reggio Emilia Via Campi 103 Modena 41125 Italy
- Center for Translation Neurophysiology Istituto Italiano di Tecnologia Via Fossato di Mortara 17–19 Ferrara 44100 Italy
| | - Daniel T. Simon
- Laboratory of Organic Electronics Department of Science and Technology Linköping University Norrköping 60174 Sweden
| | - Carlo A. Bortolotti
- Department of Life Sciences University of Modena and Reggio Emilia Via Campi 103 Modena 41125 Italy
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Abstract
This invited featured paper offers a Doctrinal Conception of sensing using Light (SuL) as an "umbrella" in which any sensing approach using Light Sciences and Technologies can be easily included. The key requirements of a sensing system will be quickly introduced by using a bottom-up methodology. Thanks to this, it will be possible to get a general conception of a sensor using Light techniques and know some related issues, such as its main constituted parts and types. The case in which smartness is conferred to the device is also considered. A quick "flight" over 10 significant cases using different principles, techniques, and technologies to detect diverse measurands in various sector applications is offered to illustrate this general concept. After reading this paper, any sensing approach using Light Sciences and Technologies may be easily included under the umbrella: sensing using Light or photonic sensors (PS).
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Affiliation(s)
- José Miguel López-Higuera
- Photonics Engineering Group, University of Cantabria, 39005 Santander, Spain;
- Instituto de Investigación Sanitaria Valdecilla (IDIVAL), 39011 Santander, Spain
- CIBER-BBN, Instituto de Salud Carlos III, 28029 Madrid, Spain
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Duan Q, Liu Y, Chang S, Chen H, Chen JH. Surface Plasmonic Sensors: Sensing Mechanism and Recent Applications. Sensors (Basel) 2021; 21:5262. [PMID: 34450704 DOI: 10.3390/s21165262] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 08/01/2021] [Accepted: 08/02/2021] [Indexed: 12/17/2022]
Abstract
Surface plasmonic sensors have been widely used in biology, chemistry, and environment monitoring. These sensors exhibit extraordinary sensitivity based on surface plasmon resonance (SPR) or localized surface plasmon resonance (LSPR) effects, and they have found commercial applications. In this review, we present recent progress in the field of surface plasmonic sensors, mainly in the configurations of planar metastructures and optical-fiber waveguides. In the metastructure platform, the optical sensors based on LSPR, hyperbolic dispersion, Fano resonance, and two-dimensional (2D) materials integration are introduced. The optical-fiber sensors integrated with LSPR/SPR structures and 2D materials are summarized. We also introduce the recent advances in quantum plasmonic sensing beyond the classical shot noise limit. The challenges and opportunities in this field are discussed.
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Shao Z, Yan S, Wen F, Wu X, Hua E. Double ring nanostructure with an internal cavity and a multiple Fano resonances system for refractive index sensing. Appl Opt 2021; 60:6623-6631. [PMID: 34612905 DOI: 10.1364/ao.426629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Accepted: 07/07/2021] [Indexed: 06/13/2023]
Abstract
A novel nanosensor based on a metal-insulator-metal waveguide coupled to a double ring resonator is proposed. The spectral characteristics are studied by finite element method, and a Fano resonance (FR) formed by the interference of the narrowband mode and the broadband mode is discovered. After analyzing the effects of structural parameters on the transmission characteristics, the structure is further optimized by adding a rectangular cavity inside the ring cavity. The maximum sensitivity reaches 1885 nm/RIU with the figure of merit (FOM) of 77. Additionally, a tunable multiple FR system is realized through the derivative structure, which leads to the splitting of the resonance mode and produces two new narrowband modes. Their formation mechanism and performance are studied through a normalized magnetic field distribution and transmission spectrum. The designed structure with excellent performance can discover significant applications in the future nanosensing domain.
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31
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Liu Y, Zhang X. Microfluidics-Based Plasmonic Biosensing System Based on Patterned Plasmonic Nanostructure Arrays. Micromachines (Basel) 2021; 12:826. [PMID: 34357236 DOI: 10.3390/mi12070826] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 06/27/2021] [Accepted: 07/12/2021] [Indexed: 11/18/2022]
Abstract
This review aims to summarize the recent advances and progress of plasmonic biosensors based on patterned plasmonic nanostructure arrays that are integrated with microfluidic chips for various biomedical detection applications. The plasmonic biosensors have made rapid progress in miniaturization sensors with greatly enhanced performance through the continuous advances in plasmon resonance techniques such as surface plasmon resonance (SPR) and localized SPR (LSPR)-based refractive index sensing, SPR imaging (SPRi), and surface-enhanced Raman scattering (SERS). Meanwhile, microfluidic integration promotes multiplexing opportunities for the plasmonic biosensors in the simultaneous detection of multiple analytes. Particularly, different types of microfluidic-integrated plasmonic biosensor systems based on versatile patterned plasmonic nanostructured arrays were reviewed comprehensively, including their methods and relevant typical works. The microfluidics-based plasmonic biosensors provide a high-throughput platform for the biochemical molecular analysis with the advantages such as ultra-high sensitivity, label-free, and real time performance; thus, they continue to benefit the existing and emerging applications of biomedical studies, chemical analyses, and point-of-care diagnostics.
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32
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Jung JY, Lee J, Choi JH, Choi DG, Jeong JH. Enhancement of refractive index sensing for an infrared plasmonic metamaterial absorber with a nanogap. Opt Express 2021; 29:22796-22804. [PMID: 34266034 DOI: 10.1364/oe.432392] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 06/28/2021] [Indexed: 06/13/2023]
Abstract
An infrared plasmonic metamaterial absorber with a nanogap was numerically and experimentally investigated as a refractive index sensor. We experimentally demonstrated large enhancements of both sensitivity (approximately 1091 nm/refractive index unit) and figure of merit (FOM*; approximately 273) owing to the nanogap formation in the metamaterial absorber to achieve perfect absorption (99%). The refractive index sensing platform was fabricated by producible nanoimprint lithography and isotropic dry etching processes to have a large area and low cost while providing a practical solution for high-performance plasmonic biosensors.
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Kovacs B, Kraft FA, Szabo Z, Nazirizadeh Y, Gerken M, Horvath R. Near cut-off wavelength operation of resonant waveguide grating biosensors. Sci Rep 2021; 11:13091. [PMID: 34158570 PMCID: PMC8219702 DOI: 10.1038/s41598-021-92327-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 06/07/2021] [Indexed: 02/05/2023] Open
Abstract
Numerical simulations and analytical calculations are performed to support the design of grating-coupled planar optical waveguides for biological sensing. Near cut-off and far from cut-off modes are investigated, and their characteristics and suitability for sensing are compared. The numerical simulations reveal the high sensitivity of the guided mode intensity near the cut-off wavelength for any refractive index change along the waveguide. Consequently, it is sufficient to monitor the intensity change of the near cut-off sensing mode, which leads to a simpler sensor design compared to those setups where the resonant wavelength shift of the guided mode is monitored with high precision. The operating wavelength and the sensitivity of the proposed device can be tuned by varying the geometrical parameters of the corrugated waveguide. These results may lead to the development of highly sensitive integrated sensors, which have a simple design and therefore are cost-effective for a wide range of applications. These numerical findings are supported with experimental results, where the cut-off sensing mode was identified.
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Affiliation(s)
- Balint Kovacs
- Nanobiosensorics Laboratory, ELKH EK MFA, Budapest, Hungary.
- Division of Medical Image Computing (MIC), German Cancer Research Center (DKFZ), Heidelberg, Germany.
- Medical Faculty Heidelberg, Heidelberg University, Heidelberg, Germany.
| | - Fabio Aldo Kraft
- Institute of Electrical Engineering and Information Technology, Kiel University, Kiel, Germany
| | - Zsolt Szabo
- Faculty of Information Technology and Bionics, Pázmány Péter Catholic University, Budapest, Hungary
| | | | - Martina Gerken
- Institute of Electrical Engineering and Information Technology, Kiel University, Kiel, Germany
| | - Robert Horvath
- Nanobiosensorics Laboratory, ELKH EK MFA, Budapest, Hungary
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Abstract
Close-packed hexagonal array nanopores are widely used both in research and industry. A self-ordered nanoporous structure makes anodic aluminum oxide (AAO) one of the most popular nanomaterials. This paper describes the main formation mechanisms for AAO, the AAO fabrication process, and optical sensor applications. The paper is focused on four types of AAO-based optical biosensor technology: surface-Enhanced Raman Scattering (SERS), surface Plasmon Resonance (SPR), reflectometric Interference Spectroscopy (RIfS), and photoluminescence Spectroscopy (PL). AAO-based optical biosensors feature very good selectivity, specificity, and reusability.
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Yin H, Mensch AC, Lochbaum CA, Foreman-Ortiz IU, Caudill ER, Hamers RJ, Pedersen JA. Influence of Sensor Coating and Topography on Protein and Nanoparticle Interaction with Supported Lipid Bilayers. Langmuir 2021; 37:2256-2267. [PMID: 33560854 DOI: 10.1021/acs.langmuir.0c02662] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
Supported lipid bilayers (SLBs) have proven to be valuable model systems for studying the interactions of proteins, peptides, and nanoparticles with biological membranes. The physicochemical properties (e.g., topography, coating) of the solid substrate may affect the formation and properties of supported phospholipid bilayers, and thus, subsequent interactions with biomolecules or nanoparticles. Here, we examine the influence of support coating (SiO2 vs Si3N4) and topography [sensors with embedded vs protruding gold nanodisks for nanoplasmonic sensing (NPS)] on the formation and subsequent interactions of supported phospholipid bilayers with the model protein cytochrome c and with cationic polymer-wrapped quantum dots using quartz crystal microbalance with dissipation monitoring and NPS techniques. The specific protein and nanoparticle were chosen because they differ in the degree to which they penetrate the bilayer. We find that bilayer formation and subsequent non-penetrative association with cytochrome c were not significantly influenced by substrate composition or topography. In contrast, the interactions of nanoparticles with SLBs depended on the substrate composition. The substrate-dependence of nanoparticle adsorption is attributed to the more negative zeta-potential of the bilayers supported by the silica vs the silicon nitride substrate and to the penetration of the cationic polymer wrapping the nanoparticles into the bilayer. Our results indicate that the degree to which nanoscale analytes interact with SLBs may be influenced by the underlying substrate material.
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Affiliation(s)
- Hui Yin
- Key Laboratory of Arable Land Conservation (Middle and Lower Reaches of Yangtse River), Ministry of Agriculture and Rural Affairs, College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, P.R. China
| | - Arielle C Mensch
- Department of Chemistry, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Christian A Lochbaum
- Department of Chemistry, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Isabel U Foreman-Ortiz
- Department of Chemistry, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Emily R Caudill
- Department of Chemistry, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Robert J Hamers
- Department of Chemistry, University of Wisconsin, Madison, Wisconsin 53706, United States
| | - Joel A Pedersen
- Departments of Soil Science, Civil & Environmental Engineering, and Chemistry, University of Wisconsin, Madison, Wisconsin 53076, United States
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36
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Abstract
The last two decades have seen great advancements in fundamental understanding and applications of metallic nanoparticles stabilized by mixed-ligand monolayers. Identifying and controlling the organization of multiple ligands in the nanoparticle monolayer has been studied, and its effect on particle properties has been examined. Mixed-ligand protected particles have shown advantages over monoligand protected particles in fields such as catalysis, self-assembly, imaging, and drug delivery. In this Review, the use of mixed-ligand monolayer protected nanoparticles for sensing applications will be examined. This is the first time this subject is examined as a whole. Mixed-ligand nanoparticle-based sensors are revealed to be divided into four groups, each of which will be discussed. The first group consists of ligands that work cooperatively to improve the sensors' properties. In the second group, multiple ligands are utilized for sensing multiple analytes. The third group combines ligands used for analyte recognition and signal production. In the final group, a sensitive, but unstable, functional ligand is combined with a stabilizing ligand. The Review will conclude by discussing future challenges and potential research directions for this promising subject.
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Affiliation(s)
- Offer Zeiri
- Department of Analytical Chemistry, NRCN, P.O. Box 9001, Beer-Sheva 84190, Israel
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37
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Walter JG, Alwis LSM, Roth B, Bremer K. All-Optical Planar Polymer Waveguide-Based Biosensor Chip Designed for Smartphone-Assisted Detection of Vitamin D. Sensors (Basel) 2020; 20:E6771. [PMID: 33260818 DOI: 10.3390/s20236771] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 11/23/2020] [Accepted: 11/24/2020] [Indexed: 12/18/2022]
Abstract
An all-optical plasmonic sensor platform designed for smartphones based on planar-optical waveguide structures integrated in a polymer chip is reported for the first time. To demonstrate the applicability of the sensor system for biosensing purposes, the detection of 25-hydroxyvitamin D (25OHD) in human serum samples using an AuNP-enhanced aptamer-based assay was demonstrated. With the aid of the developed assay sensitivity of 0.752 pixel/nM was achieved for 25OHD concentrations ranging from 0–100 nM. The waveguide structure of the sensor enables miniaturisation and parallelisation, thus, demonstrates the potential for simultaneous detection of various analytes including biomarkers. The entire optical arrangement can be integrated into a single polymer chip which allows for large scale and cost-efficient sensor fabrication. The broad utilization and access of smartphone electronics make the proposed design most attractive for its wider use in lab-on-chip applications.
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Gaggiotti S, Della Pelle F, Mascini M, Cichelli A, Compagnone D. Peptides, DNA and MIPs in Gas Sensing. From the Realization of the Sensors to Sample Analysis. Sensors (Basel) 2020; 20:E4433. [PMID: 32784423 DOI: 10.3390/s20164433] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Revised: 08/04/2020] [Accepted: 08/05/2020] [Indexed: 12/16/2022]
Abstract
Detection and monitoring of volatiles is a challenging and fascinating issue in environmental analysis, agriculture and food quality, process control in industry, as well as in 'point of care' diagnostics. Gas chromatographic approaches remain the reference method for the analysis of volatile organic compounds (VOCs); however, gas sensors (GSs), with their advantages of low cost and no or very little sample preparation, have become a reality. Gas sensors can be used singularly or in array format (e.g., e-noses); coupling data output with multivariate statical treatment allows un-target analysis of samples headspace. Within this frame, the use of new binding elements as recognition/interaction elements in gas sensing is a challenging hot-topic that allowed unexpected advancement. In this review, the latest development of gas sensors and gas sensor arrays, realized using peptides, molecularly imprinted polymers and DNA is reported. This work is focused on the description of the strategies used for the GSs development, the sensing elements function, the sensors array set-up, and the application in real cases.
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Cary R, Unser S, Monroe I, Holbrook J, Sagle L. Utilizing molecular resonance-localized surface plasmon resonance coupling for copper ion detection in plasma. Analyst 2020; 145:4950-4956. [PMID: 32500885 DOI: 10.1039/d0an00563k] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The rapid, point-of-care detection of copper in plasma can greatly aid in a large number of diseases where copper has been implicated to be an important factor, such as cancer, Alzheimer's and Diabetes mellitus. Localized surface plasmon resonance (LSPR) technologies show promise in the inexpensive detection of copper, whereas previous platforms are plagued with selectivity and sensitivity issues. Herein, we have created a sensitive and selective on-chip copper sensor which can produce a colorimetric reading in 60 minutes. The selectivity of the assay is based on 'Click' chemistry and is shown to have little interference with other metal ions present in plasma. The sensitivity of the assay is generated from the coupling of the molecular resonance of a dye and the LSPR of the gold nanoparticles. The assay is capable of measuring copper concentrations in human plasma as low as 4 μM and the linear range of sensitivity, 4 to 20 μM, is in the physiologically relevant range. This robust, colorimetric assay should prove useful in a point-of-care setting.
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Affiliation(s)
- ReJeana Cary
- Department of Chemistry, College of Arts and Sciences, University of Cincinnati, 301 West Clifton Court, Cincinnati, OH 45221-0172, USA.
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40
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Liu Z, He J, He S. Characterization and Sensing of Inert Gases with a High-Resolution SPR Sensor. Sensors (Basel) 2020; 20:E3295. [PMID: 32531882 DOI: 10.3390/s20113295] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 05/20/2020] [Accepted: 05/21/2020] [Indexed: 01/21/2023]
Abstract
It is generally difficult to characterize inert gases through chemical reactions due to their inert chemical properties. The phase interference-sensing system based on high-resolution surface plasmon resonance (SPR) has an excellent refractive index detection limit. Based on this, this paper presents a simple and workable method for the characterization and detection of inert gases. The phase of light for the present SPR sensor is more sensitive to the change in the external dielectric environment than an amplitude SPR sensor. The limit of detection (LOD) is usually in the order of 10−6 to 10−7 RIU, which is superior to LSPR (Localized Surface Plasmon Resonance) sensors and traditional SPR sensors. The sensor parameters are simulated and optimized. Our simulation shows that a 36 nm-thick gold film is more suitable for the SPR sensing of inert gases. By periodically switching between the two inert gases, helium and argon, the resolution of the system is tested. The SPR sensing system can achieve distinguishable difference signals, enabling a clear distinction and characterization of helium and argon. The doping of argon in helium has a detection limit of 1098 ppm.
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41
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Tseng YT, Li WY, Yu YW, Chiang CY, Liu SQ, Chau LK, Lai NS, Chou CC. Fiber Optic Particle Plasmon Resonance Biosensor for Label-Free Detection of Nucleic Acids and Its Application to HLA-B27 mRNA Detection in Patients with Ankylosing Spondylitis. Sensors (Basel) 2020; 20:s20113137. [PMID: 32492975 PMCID: PMC7309088 DOI: 10.3390/s20113137] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2020] [Revised: 05/22/2020] [Accepted: 05/29/2020] [Indexed: 11/27/2022]
Abstract
We developed a label-free, real-time, and highly sensitive nucleic acid biosensor based on fiber optic particle plasmon resonance (FOPPR). The biosensor employs a single-strand deoxyoligonucleotides (ssDNA) probe, conjugated to immobilized gold nanoparticles on the core surface of an optical fiber. We explore the steric effects on hybridization affinity and limit of detection (LOD), by using different ssDNA probe designs and surface chemistries, including diluent molecules of different lengths in mixed self-assembled monolayers, ssDNA probes of different oligonucleotide lengths, ssDNA probes in different orientations to accommodate target oligonucleotides with a hybridization region located unevenly in the strand. Based on the optimized ssDNA probe design and surface chemistry, we achieved LOD at sub-nM level, which makes detection of target oligonucleotides as low as 1 fmol possible in the 10-μL sensor chip. Additionally, the FOPPR biosensor shows a good correlation in determining HLA-B27 mRNA, in extracted blood samples from patients with ankylosing spondylitis (AS), with the clinically accepted real-time reverse transcription-polymerase chain reaction (RT-PCR) method. The results from this fundamental study should guide the design of ssDNA probe for anti-sense sensing. Further results through application to HLA-B27 mRNA detection illustrate the feasibility in detecting various nucleic acids of chemical and biological relevance.
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Affiliation(s)
- Yen-Ta Tseng
- Department of Chemistry and Biochemistry and Center for Nano Bio-Detection, National Chung Cheng University, Chiayi 62102, Taiwan; (Y.-T.T.); (W.-Y.L.); (Y.-W.Y.); (C-Y.C.)
| | - Wan-Yun Li
- Department of Chemistry and Biochemistry and Center for Nano Bio-Detection, National Chung Cheng University, Chiayi 62102, Taiwan; (Y.-T.T.); (W.-Y.L.); (Y.-W.Y.); (C-Y.C.)
| | - Ya-Wen Yu
- Department of Chemistry and Biochemistry and Center for Nano Bio-Detection, National Chung Cheng University, Chiayi 62102, Taiwan; (Y.-T.T.); (W.-Y.L.); (Y.-W.Y.); (C-Y.C.)
| | - Chang-Yue Chiang
- Department of Chemistry and Biochemistry and Center for Nano Bio-Detection, National Chung Cheng University, Chiayi 62102, Taiwan; (Y.-T.T.); (W.-Y.L.); (Y.-W.Y.); (C-Y.C.)
- Graduate School of Engineering Science and Technology, National Yunlin University of Science and Technology, Yunlin 64002, Taiwan
| | - Su-Qin Liu
- Immunology and Rheumatology, Department of Medicine, Buddhist Dalin Tzu Chi General Hospital, Chiayi 62247, Taiwan;
| | - Lai-Kwan Chau
- Department of Chemistry and Biochemistry and Center for Nano Bio-Detection, National Chung Cheng University, Chiayi 62102, Taiwan; (Y.-T.T.); (W.-Y.L.); (Y.-W.Y.); (C-Y.C.)
- Correspondence: (L.-K.C.); (N.-S.L.); (C.-C.C.); Tel.: +886-5-2729377 (L.-K.C.); +886-5-264-8000 (ext. 5003) (N.-S.L.); +886-5-2720411 (ext. 66506) (C.-C.C.)
| | - Ning-Sheng Lai
- Immunology and Rheumatology, Department of Medicine, Buddhist Dalin Tzu Chi General Hospital, Chiayi 62247, Taiwan;
- Correspondence: (L.-K.C.); (N.-S.L.); (C.-C.C.); Tel.: +886-5-2729377 (L.-K.C.); +886-5-264-8000 (ext. 5003) (N.-S.L.); +886-5-2720411 (ext. 66506) (C.-C.C.)
| | - Cheng-Chung Chou
- Department of Biomedical Sciences, National Chung Cheng University, Chiayi 62102, Taiwan
- Correspondence: (L.-K.C.); (N.-S.L.); (C.-C.C.); Tel.: +886-5-2729377 (L.-K.C.); +886-5-264-8000 (ext. 5003) (N.-S.L.); +886-5-2720411 (ext. 66506) (C.-C.C.)
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Walter JG, Eilers A, Alwis LSM, Roth BW, Bremer K. SPR Biosensor Based on Polymer Multi-Mode Optical Waveguide and Nanoparticle Signal Enhancement. Sensors (Basel) 2020; 20:E2889. [PMID: 32443702 PMCID: PMC7287642 DOI: 10.3390/s20102889] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 05/11/2020] [Accepted: 05/18/2020] [Indexed: 12/14/2022]
Abstract
We present a surface plasmon resonance (SPR) biosensor that is based on a planar-optical multi-mode (MM) polymer waveguide structure applied for the detection of biomolecules in the lower nano-molar (nM) range. The basic sensor shows a sensitivity of 608.6 nm/RIU when exposed to refractive index changes with a measurement resolution of 4.3 × 10-3 RIU. By combining the SPR sensor with an aptamer-functionalized, gold-nanoparticle (AuNP)-enhanced sandwich assay, the detection of C-reactive protein (CRP) in a buffer solution was achieved with a response of 0.118 nm/nM. Due to the multi-mode polymer waveguide structure and the simple concept, the reported biosensor is well suited for low-cost disposable lab-on-a-chip applications and can be used with rather simple and economic devices. In particular, the sensor offers the potential for fast and multiplexed detection of several biomarkers on a single integrated platform.
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Affiliation(s)
- Johanna-Gabriela Walter
- Institute of Technical Chemistry, Leibniz University of Hannover, 30167 Hannover, Germany; (J.-G.W.); (A.E.)
| | - Alina Eilers
- Institute of Technical Chemistry, Leibniz University of Hannover, 30167 Hannover, Germany; (J.-G.W.); (A.E.)
| | | | - Bernhard Wilhelm Roth
- Cluster of Excellence PhoenixD (Photonics, Optics, and Engineering—Innovation Across Disciplines), 30167 Hannover, Germany;
- Hannover Centre for Optical Technologies, Leibniz University of Hannover, 30167 Hannover, Germany
| | - Kort Bremer
- Hannover Centre for Optical Technologies, Leibniz University of Hannover, 30167 Hannover, Germany
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Jafari S, Mahyad B, Hashemzadeh H, Janfaza S, Gholikhani T, Tayebi L. Biomedical Applications of TiO 2 Nanostructures: Recent Advances. Int J Nanomedicine 2020; 15:3447-3470. [PMID: 32523343 PMCID: PMC7234979 DOI: 10.2147/ijn.s249441] [Citation(s) in RCA: 101] [Impact Index Per Article: 25.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Accepted: 04/16/2020] [Indexed: 12/13/2022] Open
Abstract
Titanium dioxide (TiO2) nanostructures are one of the most plentiful compounds that have emerged in various fields of technology such as medicine, energy and biosensing. Various TiO2 nanostructures (nanotubes [NTs] and nanowires) have been employed in photoelectrochemical (PEC) biosensing applications, greatly enhancing the detection of targets. TiO2 nanostructures, used as reinforced material or coatings for the bare surface of titanium implants, are excellent additive materials to compensate titanium implants deficiencies-like poor surface interaction with surrounding tissues-by providing nanoporous surfaces and hierarchical structures. These nanostructures can also be loaded by diversified drugs-like osteoporosis drugs, anticancer and antibiotics-and used as local drug delivery systems. Furthermore, TiO2 nanostructures and their derivatives are new emerging antimicrobial agents to overcome human pathogenic microorganisms. However, like all other nanomaterials, toxicity and biocompatibility of TiO2 nanostructures must be considered. This review highlights recent advances, along with the properties and numerous applications of TiO2-based nanostructure compounds in nano biosensing, medical implants, drug delivery and antibacterial fields. Moreover, in the present study, some recent advances accomplished on the pharmaceutical applications of TiO2 nanostructures, as well as its toxicity and biocompatibility, are presented.
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Affiliation(s)
- Sevda Jafari
- Biotechnology Research Center, Tabriz University of Medical Sciences, Tabriz, Islamic Republic of Iran
- Student Research Committee, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Islamic Republic of Iran
| | - Baharak Mahyad
- Department of Life Science Engineering, Faculty of New Science and Technologies, University of Tehran, Tehran, Islamic Republic of Iran
| | - Hadi Hashemzadeh
- Department of Nanobiotechnology, Tarbiat Modares University, Tehran, 14117, Islamic Republic of Iran
| | - Sajjad Janfaza
- Department of Nanobiotechnology, Tarbiat Modares University, Tehran, 14117, Islamic Republic of Iran
| | - Tooba Gholikhani
- Student Research Committee, Faculty of Pharmacy, Tabriz University of Medical Sciences, Tabriz, Islamic Republic of Iran
| | - Lobat Tayebi
- Marquette University School of Dentistry, Milwaukee, WI53233, USA
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Khan MA, Zhu Y, Yao Y, Zhang P, Agrawal A, Reece PJ. Impact of metal crystallinity-related morphologies on the sensing performance of plasmonic nanohole arrays. Nanoscale 2020; 12:7577-7585. [PMID: 32073105 DOI: 10.1039/d0nr00619j] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Plasmonic nanohole arrays for biosensing applications have attracted tremendous attention because of their flexibility in optical signature design, high multiplexing capabilities, simple optical alignment setup, and high sensitivity. The quality of the metal film, including metal crystallinity and surface roughness, plays an important role in determining the sensing performance because the interaction between free electrons in the metal and incident light is strongly influenced by the metal surface morphology. We systematically investigated the influence of metal crystallinity-related morphologies on the sensing performance of plasmonic nanohole arrays after different metal deposition processes. We utilised several non-destructive nanoscale surface characterisation techniques to perform a quantitative and comparative analysis of the Au quality of the fabricated sensor. We found empirically how the surface roughness and grain sizes influence the permittivity of the Au film and thus the sensitivity of the fabricated sensor. Finally we confirmed that the deposition conditions that provide both low surface roughness and large metal grain sizes improve the sensitivity of the plasmonic sensor.
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Affiliation(s)
- Mansoor Ali Khan
- St George and Sutherland Clinical School, UNSW Sydney, NSW 2052, Australia.
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Peter B, Saftics A, Kovacs B, Kurunczi S, Horvath R. Oxidization increases the binding of EGCG to serum albumin revealed by kinetic data from label-free optical biosensor with reference channel. Analyst 2020; 145:588-595. [DOI: 10.1039/c9an01779h] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Schematic illustration of the biosensor to measure the EGCG–BSA interaction and the concentration dependent bound amount of EGCG and oxidized EGCG.
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Affiliation(s)
- Beatrix Peter
- Nanobiosensorics Group
- Centre for Energy Research
- Institute of Technical Physics and Materials Science
- H-1121 Budapest
- Hungary
| | - Andras Saftics
- Nanobiosensorics Group
- Centre for Energy Research
- Institute of Technical Physics and Materials Science
- H-1121 Budapest
- Hungary
| | - Boglarka Kovacs
- Nanobiosensorics Group
- Centre for Energy Research
- Institute of Technical Physics and Materials Science
- H-1121 Budapest
- Hungary
| | - Sandor Kurunczi
- Nanobiosensorics Group
- Centre for Energy Research
- Institute of Technical Physics and Materials Science
- H-1121 Budapest
- Hungary
| | - Robert Horvath
- Nanobiosensorics Group
- Centre for Energy Research
- Institute of Technical Physics and Materials Science
- H-1121 Budapest
- Hungary
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46
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Cennamo N, Pesavento M, Marchetti S, Zeni L. Molecularly Imprinted Polymers and Optical Fiber Sensors for Security Applications. Springer Proceedings in Materials 2020. [DOI: 10.1007/978-3-030-34123-7_2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
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Abstract
Plasmonics has drawn significant attention in the area of biosensors for decades due to the unique optical properties of plasmonic resonant nanostructures. While the sensitivity and specificity of molecular detection relies significantly on the resonance conditions, significant attention has been dedicated to the design, fabrication, and optimization of plasmonic substrates. The adequate choice of materials, structures, and functionality goes hand in hand with a fundamental understanding of plasmonics to enable the development of practical biosensors that can be deployed in real life situations. Here we provide a brief review of plasmonic biosensors detailing most recent developments and applications. Besides metals, novel plasmonic materials such as graphene are highlighted. Sensors based on Surface Plasmon Resonance (SPR), Localized Surface Plasmon Resonance (LSPR), and Surface Enhanced Raman Spectroscopy (SERS) are presented and classified based on their materials and structure. In addition, most recent applications to environment monitoring, health diagnosis, and food safety are presented. Potential problems related to the implementation in such applications are discussed and an outlook is presented.
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Affiliation(s)
- Juanjuan Liu
- Department of Bioengineering, McGill University, Montreal, Quebec, Canada.
| | - Mahsa Jalali
- Department of Bioengineering, McGill University, Montreal, Quebec, Canada.
| | - Sara Mahshid
- Department of Bioengineering, McGill University, Montreal, Quebec, Canada.
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Mariani S, Paghi A, La Mattina AA, Debrassi A, Dähne L, Barillaro G. Decoration of Porous Silicon with Gold Nanoparticles via Layer-by-Layer Nanoassembly for Interferometric and Hybrid Photonic/Plasmonic (Bio)sensing. ACS Appl Mater Interfaces 2019; 11:43731-43740. [PMID: 31644268 DOI: 10.1021/acsami.9b15737] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Gold nanoparticle layers (AuNPLs) enable the coupling of morphological, optical, and electrical properties of gold nanoparticles (AuNPs) with tailored and specific surface topography, making them exploitable in many bioapplications (e.g., biosensing, drug delivery, and photothermal therapy). Herein, we report the formation of AuNPLs on porous silicon (PSi) interferometers and distributed Bragg reflectors (DBRs) for (bio)sensing applications via layer-by-layer (LbL) nanoassembling of a positively charged polyelectrolyte, namely, poly(allylamine hydrochloride) (PAH), and negatively charged citrate-capped AuNPs. Decoration of PSi interferometers with AuNPLs enhances the Fabry-Pérot fringe contrast due to increased surface reflectivity, resulting in an augmented sensitivity for both bulk and surface refractive index sensing, namely, about 4.5-fold using NaCl aqueous solutions to infiltrate the pores and 2.6-fold for unspecific bovine serum albumin (BSA) adsorption on the pore surface, respectively. Sensitivity enhancing, about 2.5-fold, is also confirmed for affinity and selective biosensing of streptavidin using a biotinylated polymer, namely, negatively charged poly(methacrylic acid) (b-PMAA). Further, decoration of PSi DBR with AuNPLs envisages building up a hybrid photonic/plasmonic optical sensing platform. Both photonic (DBR stop-band) and plasmonic (localized surface plasmon resonance, LSPR) peaks of the hybrid structure are sensitive to changes of bulk (using glucose aqueous solutions) and surface (due to BSA unspecific adsorption) refractive index. To the best of our knowledge, this is the first report about the formation of AuNPLs via LbL nanoassembly on PSi for (i) the enhancing of the interferometric performance in (bio)sensing applications and (ii) the building up of hybrid photonic/plasmonic platforms for sensing and perspective biosensing applications.
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Affiliation(s)
- Stefano Mariani
- Dipartimento di Ingegneria dell'Informazione , Università di Pisa , Via G. Caruso 16 , 56122 Pisa , Italy
| | - Alessandro Paghi
- Dipartimento di Ingegneria dell'Informazione , Università di Pisa , Via G. Caruso 16 , 56122 Pisa , Italy
| | - Antonino A La Mattina
- Dipartimento di Ingegneria dell'Informazione , Università di Pisa , Via G. Caruso 16 , 56122 Pisa , Italy
| | - Aline Debrassi
- Surflay Nanotec GmbH , Max-Planck-Straße 3 , 12489 Berlin , Germany
| | - Lars Dähne
- Surflay Nanotec GmbH , Max-Planck-Straße 3 , 12489 Berlin , Germany
| | - Giuseppe Barillaro
- Dipartimento di Ingegneria dell'Informazione , Università di Pisa , Via G. Caruso 16 , 56122 Pisa , Italy
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Lai M, Slaughter G. Label-Free MicroRNA Optical Biosensors. Nanomaterials (Basel) 2019; 9:E1573. [PMID: 31698769 DOI: 10.3390/nano9111573] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Revised: 10/29/2019] [Accepted: 10/31/2019] [Indexed: 02/07/2023]
Abstract
MicroRNAs (miRNAs) play crucial roles in regulating gene expression. Many studies show that miRNAs have been linked to almost all kinds of disease. In addition, miRNAs are well preserved in a variety of specimens, thereby making them ideal biomarkers for biosensing applications when compared to traditional protein biomarkers. Conventional biosensors for miRNA require fluorescent labeling, which is complicated, time-consuming, laborious, costly, and exhibits low sensitivity. The detection of miRNA remains a big challenge due to their intrinsic properties such as small sizes, low abundance, and high sequence similarity. A label-free biosensor can simplify the assay and enable the direct detection of miRNA. The optical approach for a label-free miRNA sensor is very promising and many assays have demonstrated ultra-sensitivity (aM) with a fast response time. Here, we review the most relevant label-free microRNA optical biosensors and the nanomaterials used to enhance the performance of the optical biosensors.
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Yesilkoy F. Optical Interrogation Techniques for Nanophotonic Biochemical Sensors. Sensors (Basel) 2019; 19:s19194287. [PMID: 31623315 PMCID: PMC6806184 DOI: 10.3390/s19194287] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 09/25/2019] [Accepted: 09/27/2019] [Indexed: 12/14/2022]
Abstract
The manipulation of light via nanoengineered surfaces has excited the optical community in the past few decades. Among the many applications enabled by nanophotonic devices, sensing has stood out due to their capability of identifying miniscule refractive index changes. In particular, when free-space propagating light effectively couples into subwavelength volumes created by nanostructures, the strongly-localized near-fields can enhance light’s interaction with matter at the nanoscale. As a result, nanophotonic sensors can non-destructively detect chemical species in real-time without the need of exogenous labels. The impact of such nanophotonic devices on biochemical sensor development became evident as the ever-growing research efforts in the field started addressing many critical needs in biomedical sciences, such as low-cost analytical platforms, simple quantitative bioassays, time-resolved sensing, rapid and multiplexed detection, single-molecule analytics, among others. In this review, the optical transduction methods used to interrogate optical resonances of nanophotonic sensors will be highlighted. Specifically, the optical methodologies used thus far will be evaluated based on their capability of addressing key requirements of the future sensor technologies, including miniaturization, multiplexing, spatial and temporal resolution, cost and sensitivity.
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Affiliation(s)
- Filiz Yesilkoy
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA.
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