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Zhu R, Martínez-Roque MA, Figueroa-Miranda G, Hu Z, Acunzo A, Li H, Hu Q, Bednar J, Gensch T, Ingebrandt S, Offenhäusser A, Mayer D. Plasmon-enhanced fluorescence and electrochemical aptasensor for SARS-CoV-2 Spike protein detection. Talanta 2024; 281:126760. [PMID: 39226699 DOI: 10.1016/j.talanta.2024.126760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2024] [Revised: 08/20/2024] [Accepted: 08/22/2024] [Indexed: 09/05/2024]
Abstract
In this work, we combined plasmon-enhanced fluorescence and electrochemical (PEF-EC) transduction mechanisms to realize a highly sensitive dual-transducer aptasensor. To implement two traducers in one biosensor, a novel large-scale nanoimprint lithography process was introduced to fabricate gold nanopit arrays (AuNpA) with unique fringe structures. Light transmitting through the AuNpA samples exhibited a surface plasmon polariton peak overlapping with the excitation peak of the C7 aptamer-associated fluorophore methylene blue (MB). We observed a five and seven-times higher average fluorescence intensity over the AuNpA and fringe structure, respectively, in comparison to a plane Au film. Furthermore, the MB fluorophore was simultaneously utilized as a redox probe for electrochemical investigations and is described here as a dual transduction label for the first time. The novel dual transducer system was deployed for the detection of SARS-CoV-2 Spike protein via a C7 aptamer in combination with a strand displacement protocol. The PEF transducer exhibited a detection range from 1 fg/mL to 10 ng/mL with a detection limit of 0.07 fg/mL, while the EC traducer showed an extended dynamic range from 1 fg/mL to 100 ng/mL with a detection limit of 0.15 fg/mL. This work provides insights into an easy-to-perform, large-scale fabrication process for nanostructures enabling plasmon-enhanced fluorescence, and the development of an advanced but universal aptasensor platform.
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Affiliation(s)
- Ruifeng Zhu
- Institute of Biological Information Processing, Bioelectronics (IBI-3), Forschungszentrum Jülich GmbH, 52428, Jülich, Germany; Institute of Materials in Electrical Engineering 1, RWTH Aachen University, 52074, Aachen, Germany
| | - Mateo Alejandro Martínez-Roque
- Institute of Biological Information Processing, Bioelectronics (IBI-3), Forschungszentrum Jülich GmbH, 52428, Jülich, Germany
| | - Gabriela Figueroa-Miranda
- Institute of Biological Information Processing, Bioelectronics (IBI-3), Forschungszentrum Jülich GmbH, 52428, Jülich, Germany
| | - Ziheng Hu
- Institute of Biological Information Processing, Bioelectronics (IBI-3), Forschungszentrum Jülich GmbH, 52428, Jülich, Germany
| | - Adriano Acunzo
- Institute of Biological Information Processing, Bioelectronics (IBI-3), Forschungszentrum Jülich GmbH, 52428, Jülich, Germany; Department of Physics, University of Naples "Federico II", Via Cintia 26, Naples, 80126, Italy
| | - Hangyu Li
- Institute of Biological Information Processing, Bioelectronics (IBI-3), Forschungszentrum Jülich GmbH, 52428, Jülich, Germany
| | - Qinyu Hu
- Institute of Biological Information Processing, Bioelectronics (IBI-3), Forschungszentrum Jülich GmbH, 52428, Jülich, Germany
| | - Justus Bednar
- Institute of Biological Information Processing, Bioelectronics (IBI-3), Forschungszentrum Jülich GmbH, 52428, Jülich, Germany; Fakultät für Mathematik, Informatik und Naturwissenschaften, RWTH Aachen University, 52074, Aachen, Germany
| | - Thomas Gensch
- Institute of Biological Information Processing, Molecular and Cellular Physiology (IBI-1), Forschungszentrum Jülich GmbH, 52428, Jülich, Germany
| | - Sven Ingebrandt
- Institute of Materials in Electrical Engineering 1, RWTH Aachen University, 52074, Aachen, Germany
| | - Andreas Offenhäusser
- Institute of Biological Information Processing, Bioelectronics (IBI-3), Forschungszentrum Jülich GmbH, 52428, Jülich, Germany
| | - Dirk Mayer
- Institute of Biological Information Processing, Bioelectronics (IBI-3), Forschungszentrum Jülich GmbH, 52428, Jülich, Germany.
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Kong S, Wen X, Wang Y, Tan R, Li H, Tu Y. Development of a P-tau217 Electrochemiluminescent Immunosensor Reinforced with Au-Cu Nanoparticles for Alzheimer's Disease Precaution. ACS Chem Neurosci 2023; 14:4176-4184. [PMID: 37939215 DOI: 10.1021/acschemneuro.3c00568] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2023] Open
Abstract
To simply and rapidly detect the highly phosphorylated tau protein at threonine 217 (p-tau217) as a precautionary measure against Alzheimer's disease and distinguish it from other neurodegenerative diseases, a novel immunosensor was prepared using luminol as the electrochemiluminescent (ECL) sensing probe reinforced by Au-Cu nanoparticles (Au-Cu NPs). The Au-Cu alloy NPs were prepared via a co-reduction reaction, exhibiting excellent conductivity and catalytic activity. These properties remarkably enhanced the ECL of luminol, providing a suitable background for the sensing response. After the Au-Cu NPs were decorated on the surface of indium tin oxide glass using 3-amino-propyl trimethoxysilane, the antibody of p-tau217 was immobilized via dominant Au-N bonding to enable the biological specificity of the immunosensor. When p-tau217 specifically interacted with an antibody to form an immune complex on the sensing interface, the ECL signal of the sensor was considerably inhibited by the resulting giant biomolecular complex. This complex prevented luminol diffusion to the electrode surface and electron transfer. The resulting immunosensor showed remarkable sensitivity to p-tau217, with a wide linear detection range from 5 to 600 pg/mL. A detection limit of 0.56 pg/mL was achieved, with recoveries in human serum ranging from 92.3 to 109%. This ECL immunosensor demonstrated high sensitivity and specificity toward p-tau217, along with good reproducibility and stability, providing a new approach for clinical research on Alzheimer's disease.
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Affiliation(s)
- Susu Kong
- College of Chemistry, Chemical Engineering and Material Science, Soochow University, Suzhou 215123, P. R. China
| | - Xi Wen
- Nursing School, Suzhou Medical College of Soochow University, Suzhou 215006, P. R. China
| | - Yueju Wang
- First Affiliated Hospital of Soochow University, Suzhou 215006, P. R. China
| | - Rong Tan
- College of Chemistry, Chemical Engineering and Material Science, Soochow University, Suzhou 215123, P. R. China
| | - Huiling Li
- Nursing School, Suzhou Medical College of Soochow University, Suzhou 215006, P. R. China
- First Affiliated Hospital of Soochow University, Suzhou 215006, P. R. China
| | - Yifeng Tu
- College of Chemistry, Chemical Engineering and Material Science, Soochow University, Suzhou 215123, P. R. China
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Janik M, Lechowicz K, Pituła E, Warszewski J, Koba M, Śmietana M. Enhanced spectroelectrochemistry with lossy-mode resonance optical fiber sensor. Sci Rep 2023; 13:15523. [PMID: 37726408 PMCID: PMC10509163 DOI: 10.1038/s41598-023-42853-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 09/15/2023] [Indexed: 09/21/2023] Open
Abstract
Spectroelectrochemical (SEC) measurements play a crucial role in analytical chemistry, utilizing transparent or semitransparent electrodes for optical analysis of electrochemical (EC) processes. The EC readout provides information about the electrode's state, while changes in the transmitted optical spectrum help identify the products of EC reactions. To enhance SEC measurements, this study proposes the addition of optical monitoring of the electrode. The setup involves using a polymer-clad silica multimode fiber core coated with indium tin oxide (ITO), which serves as both the electrode and an optical fiber sensor. The ITO film is specifically tailored to exhibit the lossy-mode resonance (LMR) phenomenon, allowing for simultaneous optical monitoring alongside EC readouts. The LMR response depends on the properties of the ITO and the surrounding medium's optical properties. As a result, the setup offers three types of interrogation readouts: EC measurements, optical spectrum analysis corresponding to the volume of the analyte (similar to standard SEC), and LMR spectrum analysis reflecting the state of the sensor/electrode surface. In each interrogation path, cyclic voltammetry (CV) experiments were conducted individually with two oxidation-reduction reaction (redox) probes: potassium ferricyanide and methylene blue. Subsequently, simultaneous measurements were performed during chronoamperometry (CA) with the sensor, and the cross-correlation between the readouts was examined. Overall, this study presents a novel and enhanced SEC measurement approach that incorporates optical monitoring of the electrode. It provides a comprehensive understanding of EC processes and enables greater insights into the characteristics of the analyte.
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Affiliation(s)
- Monika Janik
- Institute of Microelectronics and Optoelectronics, Warsaw University of Technology, Koszykowa 75, 00-662, Warsaw, Poland.
| | - Katarzyna Lechowicz
- Institute of Microelectronics and Optoelectronics, Warsaw University of Technology, Koszykowa 75, 00-662, Warsaw, Poland
| | - Emil Pituła
- Institute of Microelectronics and Optoelectronics, Warsaw University of Technology, Koszykowa 75, 00-662, Warsaw, Poland
| | - Jakub Warszewski
- Institute of Microelectronics and Optoelectronics, Warsaw University of Technology, Koszykowa 75, 00-662, Warsaw, Poland
| | - Marcin Koba
- Institute of Microelectronics and Optoelectronics, Warsaw University of Technology, Koszykowa 75, 00-662, Warsaw, Poland
- National Institute of Telecommunications, Szachowa 1, 02-894, Warsaw, Poland
| | - Mateusz Śmietana
- Institute of Microelectronics and Optoelectronics, Warsaw University of Technology, Koszykowa 75, 00-662, Warsaw, Poland
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Arcadio F, Noël L, Del Prete D, Seggio M, Zeni L, Bossi AM, Soppera O, Cennamo N. Sensing Approaches Exploiting Molecularly Imprinted Nanoparticles and Lossy Mode Resonance in Polymer Optical Fibers. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2361. [PMID: 37630947 PMCID: PMC10458535 DOI: 10.3390/nano13162361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 08/05/2023] [Accepted: 08/16/2023] [Indexed: 08/27/2023]
Abstract
In this work, two different lossy mode resonance (LMR) platforms based on plastic optical fibers (POFs) are developed and tested in a biochemical sensing scenario. The LMR platforms are based on the combination of two metal oxides (MOs), i.e., zirconium oxide (ZrO2) and titanium oxide (TiO2), and deposited on the exposed core of D-shaped POF chips. More specifically, two experimental sensor configurations were obtained by swapping the mutual position of the Mos films over to the core of the D-shaped POF probe. The POF-LMR sensors were first characterized as refractometers, proving the bulk sensitivities. Then, both the POF-LMR platforms were functionalized using molecularly imprinted nanoparticles (nanoMIPs) specific for human transferrin (HTR) in order to carry out binding tests. The achieved results report a bulk sensitivity equal to about 148 nm/RIU in the best sensor configuration, namely the POF-TiO2-ZrO2. In contrast, both optical configurations combined with nanoMIPs showed an ultra-low detection limit (fM), demonstrating excellent efficiency of the used receptor (nanoMIPs) and paving the way to disposable POF-LMR biochemical sensors that are easy-to-use, low-cost, and highly sensitive.
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Affiliation(s)
- Francesco Arcadio
- Department of Engineering, University of Campania Luigi Vanvitelli, Via Roma 29, 81031 Aversa, Italy; (F.A.); (D.D.P.); (L.Z.)
| | - Laurent Noël
- CNRS, IS2M UMR 7361, Université de Haute-Alsace, 68100 Mulhouse, France;
- Université de Strasbourg, 67000 Strasbourg, France
| | - Domenico Del Prete
- Department of Engineering, University of Campania Luigi Vanvitelli, Via Roma 29, 81031 Aversa, Italy; (F.A.); (D.D.P.); (L.Z.)
| | - Mimimorena Seggio
- Department of Biotechnology, University of Verona, Strada Le Grazie 15, 37134 Verona, Italy;
| | - Luigi Zeni
- Department of Engineering, University of Campania Luigi Vanvitelli, Via Roma 29, 81031 Aversa, Italy; (F.A.); (D.D.P.); (L.Z.)
| | - Alessandra Maria Bossi
- Department of Biotechnology, University of Verona, Strada Le Grazie 15, 37134 Verona, Italy;
| | - Olivier Soppera
- CNRS, IS2M UMR 7361, Université de Haute-Alsace, 68100 Mulhouse, France;
- Université de Strasbourg, 67000 Strasbourg, France
| | - Nunzio Cennamo
- Department of Engineering, University of Campania Luigi Vanvitelli, Via Roma 29, 81031 Aversa, Italy; (F.A.); (D.D.P.); (L.Z.)
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Kumar S, Seo S. Plasmonic Sensors: A New Frontier in Nanotechnology. BIOSENSORS 2023; 13:385. [PMID: 36979597 PMCID: PMC10046622 DOI: 10.3390/bios13030385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 03/13/2023] [Indexed: 06/18/2023]
Abstract
Plasmonics is the study of surface plasmons formed by the interaction of incident light with electrons to form a surface-bound electromagnetic wave [...].
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Li B, Zhang R, Bi R, Olivo M. Applications of Optical Fiber in Label-Free Biosensors and Bioimaging: A Review. BIOSENSORS 2022; 13:64. [PMID: 36671899 PMCID: PMC9855469 DOI: 10.3390/bios13010064] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 12/28/2022] [Accepted: 12/29/2022] [Indexed: 06/17/2023]
Abstract
Biosensing and bioimaging are essential in understanding biological and pathological processes in a living system, for example, in detecting and understanding certain diseases. Optical fiber has made remarkable contributions to the biosensing and bioimaging areas due to its unique advantages of compact size, immunity to electromagnetic interference, biocompatibility, fast response, etc. This review paper will present an overview of seven common types of optical fiber biosensors and optical fiber-based ultrasound detection in photoacoustic imaging (PAI) and the applications of these technologies in biosensing and bioimaging areas. Of course, there are many types of optical fiber biosensors. Still, this paper will review the most common ones: optical fiber grating, surface plasmon resonance, Sagnac interferometer, Mach-Zehnder interferometer, Michelson interferometer, Fabry-Perot Interferometer, lossy mode resonance, and surface-enhanced Raman scattering. Furthermore, different optical fiber techniques for detecting ultrasound in PAI are summarized. Finally, the main challenges and future development direction are briefly discussed.
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Affiliation(s)
| | | | - Renzhe Bi
- Correspondence: (R.B.); (M.O.); Tel.: +65-6824-7003 (M.O.)
| | - Malini Olivo
- Correspondence: (R.B.); (M.O.); Tel.: +65-6824-7003 (M.O.)
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Pioz MJ, Espinosa RL, Laguna MF, Santamaria B, Murillo AMM, Hueros ÁL, Quintero S, Tramarin L, Valle LG, Herreros P, Bellido A, Casquel R, Holgado M. A review of Optical Point-of-Care devices to Estimate the Technology Transfer of These Cutting-Edge Technologies. BIOSENSORS 2022; 12:bios12121091. [PMID: 36551058 PMCID: PMC9776401 DOI: 10.3390/bios12121091] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 11/12/2022] [Accepted: 11/18/2022] [Indexed: 06/07/2023]
Abstract
Despite the remarkable development related to Point-of-Care devices based on optical technology, their difficulties when used outside of research laboratories are notable. In this sense, it would be interesting to ask ourselves what the degree of transferability of the research work to the market is, for example, by analysing the relation between the scientific work developed and the registered one, through patent. In this work, we provide an overview of the state-of-the-art in the sector of optical Point-of-Care devices, not only in the research area but also regarding their transfer to market. To this end, we explored a methodology for searching articles and patents to obtain an indicator that relates to both. This figure of merit to estimate this transfer is based on classifying the relevant research articles in the area and the patents that have been generated from these ones. To delimit the scope of this study, we researched the results of a large enough number of publications in the period from 2015 to 2020, by using keywords "biosensor", "optic", and "device" to obtain the most representative articles from Web of Science and Scopus. Then, we classified them according to a particular classification of the optical PoC devices. Once we had this sampling frame, we defined a patent search strategy to cross-link the article with a registered patent (by surfing Google Patents) and classified them accordingly to the categories described. Finally, we proposed a relative figure called Index of Technology Transference (IoTT), which estimates to what extent our findings in science materialized in published articles are protected by patent.
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Affiliation(s)
- María Jesús Pioz
- Optics, Photonics and Biophotonics Group, Center for Biomedical Technology, Optics, Universidad Politécnica de Madrid, Campus Montegancedo, Pozuelo de Alarcón, 28223 Madrid, Spain
- University of Nebrija, C/del Hostal, Campus Berzosa, 28248 Madrid, Spain
| | - Rocío L. Espinosa
- Optics, Photonics and Biophotonics Group, Center for Biomedical Technology, Optics, Universidad Politécnica de Madrid, Campus Montegancedo, Pozuelo de Alarcón, 28223 Madrid, Spain
- Group of Organ and Tissue on-a-Chip and In-Vitro Detection, Health Research Institute of the Hospital Clínico San Carlos IdISSC, C/Profesor Martín Lagos s/n, 4ª _Planta Sur, 28040 Madrid, Spain
- Department of Applied Physics and Materials Engineering, Escuela Técnica Superior de Ingenieros Industriales, Universidad Politécnica de Madrid, C/José Gutiérrez Abascal 2, 28006 Madrid, Spain
| | - María Fe Laguna
- Optics, Photonics and Biophotonics Group, Center for Biomedical Technology, Optics, Universidad Politécnica de Madrid, Campus Montegancedo, Pozuelo de Alarcón, 28223 Madrid, Spain
- Group of Organ and Tissue on-a-Chip and In-Vitro Detection, Health Research Institute of the Hospital Clínico San Carlos IdISSC, C/Profesor Martín Lagos s/n, 4ª _Planta Sur, 28040 Madrid, Spain
- Department of Applied Physics and Materials Engineering, Escuela Técnica Superior de Ingenieros Industriales, Universidad Politécnica de Madrid, C/José Gutiérrez Abascal 2, 28006 Madrid, Spain
| | - Beatriz Santamaria
- Optics, Photonics and Biophotonics Group, Center for Biomedical Technology, Optics, Universidad Politécnica de Madrid, Campus Montegancedo, Pozuelo de Alarcón, 28223 Madrid, Spain
- Group of Organ and Tissue on-a-Chip and In-Vitro Detection, Health Research Institute of the Hospital Clínico San Carlos IdISSC, C/Profesor Martín Lagos s/n, 4ª _Planta Sur, 28040 Madrid, Spain
- Metch, Chem & Industrial Design Engineering Department, Escuela Técnica Superior de Ingeniería y Diseño Industrial, Universidad Politécnica de Madrid, Ronda de Valencia 3, 28012 Madrid, Spain
| | - Ana María M. Murillo
- Optics, Photonics and Biophotonics Group, Center for Biomedical Technology, Optics, Universidad Politécnica de Madrid, Campus Montegancedo, Pozuelo de Alarcón, 28223 Madrid, Spain
- Group of Organ and Tissue on-a-Chip and In-Vitro Detection, Health Research Institute of the Hospital Clínico San Carlos IdISSC, C/Profesor Martín Lagos s/n, 4ª _Planta Sur, 28040 Madrid, Spain
| | - Álvaro Lavín Hueros
- Optics, Photonics and Biophotonics Group, Center for Biomedical Technology, Optics, Universidad Politécnica de Madrid, Campus Montegancedo, Pozuelo de Alarcón, 28223 Madrid, Spain
- Group of Organ and Tissue on-a-Chip and In-Vitro Detection, Health Research Institute of the Hospital Clínico San Carlos IdISSC, C/Profesor Martín Lagos s/n, 4ª _Planta Sur, 28040 Madrid, Spain
- Department of Applied Physics and Materials Engineering, Escuela Técnica Superior de Ingenieros Industriales, Universidad Politécnica de Madrid, C/José Gutiérrez Abascal 2, 28006 Madrid, Spain
| | - Sergio Quintero
- Optics, Photonics and Biophotonics Group, Center for Biomedical Technology, Optics, Universidad Politécnica de Madrid, Campus Montegancedo, Pozuelo de Alarcón, 28223 Madrid, Spain
- Group of Organ and Tissue on-a-Chip and In-Vitro Detection, Health Research Institute of the Hospital Clínico San Carlos IdISSC, C/Profesor Martín Lagos s/n, 4ª _Planta Sur, 28040 Madrid, Spain
| | - Luca Tramarin
- Optics, Photonics and Biophotonics Group, Center for Biomedical Technology, Optics, Universidad Politécnica de Madrid, Campus Montegancedo, Pozuelo de Alarcón, 28223 Madrid, Spain
- Group of Organ and Tissue on-a-Chip and In-Vitro Detection, Health Research Institute of the Hospital Clínico San Carlos IdISSC, C/Profesor Martín Lagos s/n, 4ª _Planta Sur, 28040 Madrid, Spain
| | - Luis G Valle
- Optics, Photonics and Biophotonics Group, Center for Biomedical Technology, Optics, Universidad Politécnica de Madrid, Campus Montegancedo, Pozuelo de Alarcón, 28223 Madrid, Spain
- Group of Organ and Tissue on-a-Chip and In-Vitro Detection, Health Research Institute of the Hospital Clínico San Carlos IdISSC, C/Profesor Martín Lagos s/n, 4ª _Planta Sur, 28040 Madrid, Spain
| | - Pedro Herreros
- Optics, Photonics and Biophotonics Group, Center for Biomedical Technology, Optics, Universidad Politécnica de Madrid, Campus Montegancedo, Pozuelo de Alarcón, 28223 Madrid, Spain
- Group of Organ and Tissue on-a-Chip and In-Vitro Detection, Health Research Institute of the Hospital Clínico San Carlos IdISSC, C/Profesor Martín Lagos s/n, 4ª _Planta Sur, 28040 Madrid, Spain
- Department of Applied Physics and Materials Engineering, Escuela Técnica Superior de Ingenieros Industriales, Universidad Politécnica de Madrid, C/José Gutiérrez Abascal 2, 28006 Madrid, Spain
| | - Alberto Bellido
- Optics, Photonics and Biophotonics Group, Center for Biomedical Technology, Optics, Universidad Politécnica de Madrid, Campus Montegancedo, Pozuelo de Alarcón, 28223 Madrid, Spain
- Multiplex Molecular Diagnostics S.L. C/ Munner 10, 08022 Barcelona, Spain
| | - Rafael Casquel
- Optics, Photonics and Biophotonics Group, Center for Biomedical Technology, Optics, Universidad Politécnica de Madrid, Campus Montegancedo, Pozuelo de Alarcón, 28223 Madrid, Spain
- Group of Organ and Tissue on-a-Chip and In-Vitro Detection, Health Research Institute of the Hospital Clínico San Carlos IdISSC, C/Profesor Martín Lagos s/n, 4ª _Planta Sur, 28040 Madrid, Spain
- Department of Applied Physics and Materials Engineering, Escuela Técnica Superior de Ingenieros Industriales, Universidad Politécnica de Madrid, C/José Gutiérrez Abascal 2, 28006 Madrid, Spain
| | - Miguel Holgado
- Optics, Photonics and Biophotonics Group, Center for Biomedical Technology, Optics, Universidad Politécnica de Madrid, Campus Montegancedo, Pozuelo de Alarcón, 28223 Madrid, Spain
- Group of Organ and Tissue on-a-Chip and In-Vitro Detection, Health Research Institute of the Hospital Clínico San Carlos IdISSC, C/Profesor Martín Lagos s/n, 4ª _Planta Sur, 28040 Madrid, Spain
- Department of Applied Physics and Materials Engineering, Escuela Técnica Superior de Ingenieros Industriales, Universidad Politécnica de Madrid, C/José Gutiérrez Abascal 2, 28006 Madrid, Spain
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Okazaki T, Yoshioka M, Orii T, Taguchi A, Kuramitz H, Watanabe T. Electrochemical lossy mode resonance‐based fiber optic sensing for electroactive species. ELECTROANAL 2022. [DOI: 10.1002/elan.202200089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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9
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Zimphango C, Alimagham FC, Carpenter KLH, Hutchinson PJ, Hutter T. Monitoring Neurochemistry in Traumatic Brain Injury Patients Using Microdialysis Integrated with Biosensors: A Review. Metabolites 2022; 12:metabo12050393. [PMID: 35629896 PMCID: PMC9146878 DOI: 10.3390/metabo12050393] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 04/14/2022] [Accepted: 04/20/2022] [Indexed: 02/04/2023] Open
Abstract
In a traumatically injured brain, the cerebral microdialysis technique allows continuous sampling of fluid from the brain’s extracellular space. The retrieved brain fluid contains useful metabolites that indicate the brain’s energy state. Assessment of these metabolites along with other parameters, such as intracranial pressure, brain tissue oxygenation, and cerebral perfusion pressure, may help inform clinical decision making, guide medical treatments, and aid in the prognostication of patient outcomes. Currently, brain metabolites are assayed on bedside analysers and results can only be achieved hourly. This is a major drawback because critical information within each hour is lost. To address this, recent advances have focussed on developing biosensing techniques for integration with microdialysis to achieve continuous online monitoring. In this review, we discuss progress in this field, focusing on various types of sensing devices and their ability to quantify specific cerebral metabolites at clinically relevant concentrations. Important points that require further investigation are highlighted, and comments on future perspectives are provided.
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Affiliation(s)
- Chisomo Zimphango
- Division of Neurosurgery, Department of Clinical Neurosciences, University of Cambridge, Cambridge CB2 0QQ, UK; (F.C.A.); (K.L.H.C.); (P.J.H.); (T.H.)
- Correspondence:
| | - Farah C. Alimagham
- Division of Neurosurgery, Department of Clinical Neurosciences, University of Cambridge, Cambridge CB2 0QQ, UK; (F.C.A.); (K.L.H.C.); (P.J.H.); (T.H.)
| | - Keri L. H. Carpenter
- Division of Neurosurgery, Department of Clinical Neurosciences, University of Cambridge, Cambridge CB2 0QQ, UK; (F.C.A.); (K.L.H.C.); (P.J.H.); (T.H.)
| | - Peter J. Hutchinson
- Division of Neurosurgery, Department of Clinical Neurosciences, University of Cambridge, Cambridge CB2 0QQ, UK; (F.C.A.); (K.L.H.C.); (P.J.H.); (T.H.)
| | - Tanya Hutter
- Division of Neurosurgery, Department of Clinical Neurosciences, University of Cambridge, Cambridge CB2 0QQ, UK; (F.C.A.); (K.L.H.C.); (P.J.H.); (T.H.)
- Walker Department of Mechanical Engineering, The University of Texas at Austin, Austin, TX 78712, USA
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Gabler T, Krześniak A, Janik M, Myśliwiec A, Koba M, Buczyńska J, Jönsson-Niedziółka M, Smietana M. Electrochemistry in an optical fiber microcavity - optical monitoring of electrochemical processes in picoliter volumes. LAB ON A CHIP 2021; 21:2763-2770. [PMID: 34047326 DOI: 10.1039/d1lc00324k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
In this work, we demonstrate a novel method for multi-domain analysis of properties of analytes in volumes as small as picoliters, combining electrochemistry and optical measurements. A microcavity in-line Mach-Zehnder interferometer (μIMZI) obtained in a standard single-mode optical fiber using femtosecond laser micromachining was able to accommodate a microelectrode and optically monitor electrochemical processes inside the fiber. The interferometer shows exceptional sensitivity to changes in the optical properties of analytes in the microcavity. We show that the optical readout follows the electrochemical reactions. Here, the redox probe (ferrocenedimethanol) undergoing reactions of oxidation and reduction changes the optical properties of the analyte (refractive index and absorbance) that are monitored using the μIMZI. Measurements have been supported by numerical analysis of both optical and electrochemical phenomena. On top of the capability of the approach to perform analysis on a microscale, the difference between oxidized and reduced forms in the near-infrared region can be measured using the μIMZI, which is hardly possible using other optical techniques. The proposed multi-domain concept is a promising approach for highly reliable and ultrasensitive chemo- and biosensing.
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Affiliation(s)
- Tomasz Gabler
- Warsaw University of Technology, Institute of Microelectronics and Optoelectronics, Koszykowa 75, 00-662 Warsaw, Poland.
| | - Andrzej Krześniak
- Polish Academy of Sciences, Institute of Physical Chemistry, Kasprzaka 44/52, 01-224 Warsaw, Poland.
| | - Monika Janik
- Warsaw University of Technology, Institute of Microelectronics and Optoelectronics, Koszykowa 75, 00-662 Warsaw, Poland. and Gdańsk University of Technology, Department of Metrology and Optoelectronics, Gabriela Narutowicza 11/12, 80-233 Gdańsk, Poland
| | - Anna Myśliwiec
- Warsaw University of Technology, Institute of Microelectronics and Optoelectronics, Koszykowa 75, 00-662 Warsaw, Poland.
| | - Marcin Koba
- Warsaw University of Technology, Institute of Microelectronics and Optoelectronics, Koszykowa 75, 00-662 Warsaw, Poland. and National Institute of Telecommunications, Szachowa 1, 04-894 Warsaw, Poland
| | - Joanna Buczyńska
- Polish Academy of Sciences, Institute of Physical Chemistry, Kasprzaka 44/52, 01-224 Warsaw, Poland.
| | - Martin Jönsson-Niedziółka
- Polish Academy of Sciences, Institute of Physical Chemistry, Kasprzaka 44/52, 01-224 Warsaw, Poland.
| | - Mateusz Smietana
- Warsaw University of Technology, Institute of Microelectronics and Optoelectronics, Koszykowa 75, 00-662 Warsaw, Poland.
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11
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Li X, Chen N, Zhou X, Gong P, Wang S, Zhang Y, Zhao Y. A review of specialty fiber biosensors based on interferometer configuration. JOURNAL OF BIOPHOTONICS 2021; 14:e202100068. [PMID: 33797865 DOI: 10.1002/jbio.202100068] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 03/21/2021] [Accepted: 03/31/2021] [Indexed: 06/12/2023]
Abstract
Optical fiber biosensors have attracted extensive research attention in fields such as public health research, environmental science, bioengineering, disease diagnosis and drug research. Accurate detection of biomolecules is essential to limit the extent of disease outbreaks and provide valuable guidance for regulatory agencies to take timely measures. Among many optical fiber sensors, optical fiber biosensors based on specialty fibers have the advantages of biocompatibility, small size, high measurement resolution, high stability and immunity to electromagnetic interference. In this paper, four types interferometer biosensors based on specialty fiber, namely Mach-Zehnder interferometer, Michelson interferometer, Fabry - Perot interferometer and Sagnac interferometer, are reviewed in terms of operating principles, sensing structure and application fields. The fiber types are further divided into micro-nano optical fiber, thin core fiber, polarization maintaining fiber, polymer fiber, microstructure optical fiber. Furthermore, this paper evaluates the advantages and disadvantages of these interferometer biosensors. Finally, main challenging problems and expectational development direction of specialty fiber interferometer biosensors are summarized. This text clearly shows the huge development potential of optical fiber biosensors in biomedical.
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Affiliation(s)
- Xuegang Li
- College of Information Science and Engineering, Northeastern University, Shenyang, China
| | - Ning Chen
- College of Information Science and Engineering, Northeastern University, Shenyang, China
| | - Xue Zhou
- College of Information Science and Engineering, Northeastern University, Shenyang, China
| | - Pengqi Gong
- College of Information Science and Engineering, Northeastern University, Shenyang, China
| | - Shankun Wang
- College of Information Science and Engineering, Northeastern University, Shenyang, China
| | - Yanan Zhang
- College of Information Science and Engineering, Northeastern University, Shenyang, China
| | - Yong Zhao
- College of Information Science and Engineering, Northeastern University, Shenyang, China
- Hebei Key Laboratory of Micro-Nano Precision Optical Sensing and Measurement Technology, Qinhuangdao, China
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12
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Advanced sensitivity amplification strategies for voltammetric immunosensors of tumor marker: State of the art. Biosens Bioelectron 2021; 178:113021. [DOI: 10.1016/j.bios.2021.113021] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 11/27/2020] [Accepted: 01/18/2021] [Indexed: 12/24/2022]
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Marć P, Żuchowska M, Jaroszewicz LR. Reflective Properties of a Polymer Micro-Transducer for an Optical Fiber Refractive Index Sensor. SENSORS (BASEL, SWITZERLAND) 2020; 20:s20236964. [PMID: 33291509 PMCID: PMC7731016 DOI: 10.3390/s20236964] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 11/30/2020] [Accepted: 12/04/2020] [Indexed: 06/12/2023]
Abstract
A polymer microtip manufactured at the end of a multi-mode optical fiber by using the photopolymerization process offers good reflective properties, therefore, it is applicable as an optical fiber sensor micro-transducer. The reflective properties of this microelement depend on the monomer mixture used, optical fiber type, and light source initiating polymerization. Experimental results have shown that a proper selection of these parameters has allowed the design of a new class of sensing structure which is sensitive to the refractive index (RI) changes of a liquid medium surrounding the microtip. An optical backscatter reflectometer was applied to test a group of micro-transducers. They were manufactured from two monomer mixtures on three different types of multi-mode optical fibers. They were polymerized by means of three optical light sources. Selected micro-transducers with optimal geometries were immersed in reference liquids with a known RI within the range of 1.3-1.7. For a few sensors, the linear dependences of return loss and RI have been found. The highest sensitivity was of around 208 dB/RIU with dynamic 32 dB within the range of 1.35-1.48. Sensing characteristics have minima close to RI of a polymer microelement, therefore, changing its RI can give the possibility to tune sensing properties of this type of sensor.
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Arabi M, Ostovan A, Zhang Z, Wang Y, Mei R, Fu L, Wang X, Ma J, Chen L. Label-free SERS detection of Raman-Inactive protein biomarkers by Raman reporter indicator: Toward ultrasensitivity and universality. Biosens Bioelectron 2020; 174:112825. [PMID: 33243696 DOI: 10.1016/j.bios.2020.112825] [Citation(s) in RCA: 146] [Impact Index Per Article: 36.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 11/06/2020] [Accepted: 11/13/2020] [Indexed: 02/07/2023]
Abstract
It is still challenging to sensitively detect protein biomarkers via surface-enhanced Raman scattering (SERS) technique owing to their low Raman activity. SERS tag-based immunoassay is usually applied; however, it is laborious and needs specific antibodies. Herein, an ultrasensitive and universal "Raman indicator" sensing strategy is proposed for protein biomarkers, with the aid of a glass capillary-based molecularly imprinted SERS sensor. The sensor consists of an inner SERS substrate layer for signal enhancement and an outer mussel-inspired polydopamine imprinted layer as a recognition element. Imprinted cavities have two missions: first, selectively capturing the target protein, and second, the only passageway of Raman indicator to access SERS substrate. Specific protein recognition means filling imprinted cavities and blocking Raman indicator flow. Thus, the quantity of captured protein can be reflected by the signal decrease of ultra-Raman active indicator molecule. The capillary sensor exhibited specific and reproducible detection at the level down to 4.1 × 10-3 μg L-1, for trypsin enzyme in as-received biological samples without sample preparation. The generality of the mechanism is confirmed by using three different protein models. This platform provides a facile, fast and general route for sensitive SERS detection of Raman inactive biomacromolecules, which offers great promising utility for in situ and fast point-of-care practical bioassay.
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Affiliation(s)
- Maryam Arabi
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China
| | - Abbas Ostovan
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China
| | - Zhiyang Zhang
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, 266071, China
| | - Yunqing Wang
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, 266071, China.
| | - Rongchao Mei
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China
| | - Longwen Fu
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, 266071, China
| | - Xiaoyan Wang
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China; School of Pharmacy, Binzhou Medical University, Yantai, 264003, China
| | - Jiping Ma
- School of Environmental & Municipal Engineering, Qingdao University of Technology, Qingdao, 266033, China
| | - Lingxin Chen
- CAS Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Shandong Key Laboratory of Coastal Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, China; Center for Ocean Mega-Science, Chinese Academy of Sciences, Qingdao, 266071, China
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15
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Kamińska AM, Strąkowski MR, Pluciński J. Spectroscopic Optical Coherence Tomography for Thin Layer and Foil Measurements. SENSORS (BASEL, SWITZERLAND) 2020; 20:E5653. [PMID: 33023212 PMCID: PMC7582414 DOI: 10.3390/s20195653] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 09/18/2020] [Accepted: 09/25/2020] [Indexed: 11/16/2022]
Abstract
The main goal of this research was to assess if it is possible to evaluate the thickness of thin layers (both thin films on the surface and thin layers below the surface of the tested object) and foils using optical coherence tomography (OCT) for thickness assessment under the resolution of the standard commercially available OCT measurement system. In the proposed solution, light backscattered from the evaluated thin layer has been expressed as a multiple beam interference. Therefore, the OCT system was modeled as a two-beam interferometer (e.g., Michelson), in which one beam propagates from the reference arm and the other comes from a Fabry-Pérot interferometer. As a consequence, the mathematical model consists of the main Michelson interferometer, in which the measuring arm represents the Fabry-Pérot interferometer. The parameters of the layer (or foil) are evaluated by analyzing the minimum value of the interference contrast. The model developed predicts the behavior of the thin layers made from different materials (with different refractive indexes) with different thickness and located at different depths. To verify the correctness of the proposed model, an experiment with a wedge cell has been carried out. The wedge cell was shifted across the scanning beam using a linear translation stage with a micrometer screw under the scanning head. The relationship between the thickness of the gap of the wedge cell and the OCT output signal is presented. For the additional verification of the proposed model, the results of the measurements of the thickness of the thin foil were compared with the theoretical results of the simulations. The film thickness was evaluated based on the calculated positions of the minimum value of interference contrast. A combination of the standard potentialities of OCT with the proposed approach to analyzing the signal produces new metrological possibilities. The method developed allows us to evaluate thickness under the resolution of the system and the location of the layer as well. This produces the possibility of measuring a layer which is covered by another layer. Moreover, it is possible to create a thickness map with high sensitivity to thickness changes. These experiments and simulations are the culmination of preliminary research for evaluating the potential of the proposed measurement method.
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Affiliation(s)
| | | | - Jerzy Pluciński
- Department of Metrology and Optoelectronics, Faculty of Electronics, Telecommunications and Informatics, Gdańsk University of Technology, 11/12 Gabriela Narutowicza St., 80-233 Gdańsk, Poland; (A.M.K.); (M.R.S.)
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16
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Fuentes O, Vaiano P, Del Villar I, Quero G, Corres J, Consales M, Matías I, Cusano A. Improving the width of lossy mode resonances in a reflection configuration D-shaped fiber by nanocoating laser ablation. OPTICS LETTERS 2020; 45:4738-4741. [PMID: 32870845 DOI: 10.1364/ol.402177] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 07/13/2020] [Indexed: 06/11/2023]
Abstract
The full width at half maximum (FWHM) of lossy mode resonances (LMRs) in the optical spectrum depends on the homogeneity of the thin film deposited. In this Letter, a method for improving the FWHM is applied for an LMR generated by a D-shaped optical fiber in reflection configuration. For this purpose, three samples with different attenuation were deposited with DC sputtering thin films of SnO2-x, and a further controlled immersion of the samples in water was performed. A laser-cleaner method was used to improve the FWHM characteristics of one of the samples from 106 to 53 nm. This improvement can be applied to thin-film-based sensors where there is a problem with the inhomogeneity of the coating thickness. Moreover, with this technique, it was proved that a coated length of just 3-4 mm permits the generation of an LMR, with implications for the miniaturization of the final device.
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Janik M, Niedziałkowski P, Lechowicz K, Koba M, Sezemsky P, Stranak V, Ossowski T, Śmietana M. Electrochemically directed biofunctionalization of a lossy-mode resonance optical fiber sensor. OPTICS EXPRESS 2020; 28:15934-15942. [PMID: 32549427 DOI: 10.1364/oe.390780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 04/21/2020] [Indexed: 06/11/2023]
Abstract
In this work, we present a direct electrochemical biofunctionalization of an indium-tin-oxide-coated lossy-mode resonance optical fiber sensor. The functionalization using a biotin derivative was performed by cyclic voltammetry in a 10 mM biotin hydrazide solution. All stages of the experiment were simultaneously verified with optical and electrochemical techniques. Performed measurements indicate the presence of a poly-biotin layer on the sensor's surface. Furthermore, dual-domain detection of 0.01 and 0.1 mg/mL of avidin confirms the sensor's viability for label-free detection.
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