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Li R, Fan H, Chen Y, Huang J, Liu GL, Huang L. Application of nanoplasmonic biosensors based on nanoarrays in biological and chemical detection. OPTICS EXPRESS 2023; 31:21586-21613. [PMID: 37381254 DOI: 10.1364/oe.470786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Accepted: 10/17/2022] [Indexed: 06/30/2023]
Abstract
Technological innovation, cost effectiveness, and miniaturization are key factors that determine the commercial adaptability and sustainability of sensing platforms. Nanoplasmonic biosensors based on nanocup or nanohole arrays are attractive for the development of various miniaturized devices for clinical diagnostics, health management, and environmental monitoring. In this review, we discuss the latest trends in the engineering and development of nanoplasmonic sensors as biodiagnostic tools for the highly sensitive detection of chemical and biological analytes. We focused on studies that have explored flexible nanosurface plasmon resonance systems using a sample and scalable detection approach in an effort to highlight multiplexed measurements and portable point-of-care applications.
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2
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Tran T, Shrestha M, Baule N, Wang K, Fan QH. Stable Ultra-thin Silver Films Grown by Soft Ion Beam-Enhanced Sputtering with an Aluminum Cap Layer. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 37294824 DOI: 10.1021/acsami.3c03118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Ultra-thin silver films are susceptible to ambient environments and form grayish layers in the silver mirroring process. The poor wettability together with the high diffusivity of surface atoms in the presence of oxygen accounts for the thermal instability of ultra-thin silver films in the air and at elevated temperatures. This work demonstrates an atomic-scale aluminum cap layer on the silver to enhance the thermal and environmental stabilities of ultra-thin silver films deposited by sputtering with the assistance of a soft ion beam reported in our previous work. The resulted film consists of an ion-beam-treated seed silver layer of ∼1 nm nominal thickness, a subsequent silver layer of ∼6 nm thickness produced by sputtering alone, and an aluminum cap layer of ∼0.2 nm nominal thickness. Although the aluminum cap is only one to two atomic layers and likely non-continuous, it significantly improved the thermal and ambient environmental stability of the ultra-thin silver films (∼7 nm thick) without affecting the film's optical and electrical properties. The improved environmental stability is attributed to the cathodic protection mechanism and reduced diffusivity of surface atoms. The improved thermal stability is attributed to the reduced mobility of surface atoms in the presence of aluminum atoms. Thermal treatment of the duplex film also improves the film's electrical conductivity and optical transmittance by enhancing its crystallinity. The annealed aluminum/silver duplex structure has exhibited the lowest electric resistivity among the reported ultra-thin silver films and high optical transmittance similar to the simulated theoretical results.
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Affiliation(s)
- Thanh Tran
- Department of Chemical Engineering and Materials Science, Michigan State University, East Lansing, Michigan 48824, United States
| | - Maheshwar Shrestha
- Fraunhofer USA Center Midwest, East Lansing, Michigan 48824, United States
| | - Nina Baule
- Fraunhofer USA Center Midwest, East Lansing, Michigan 48824, United States
| | - Keliang Wang
- Fraunhofer USA Center Midwest, East Lansing, Michigan 48824, United States
| | - Qi Hua Fan
- Department of Chemical Engineering and Materials Science, Michigan State University, East Lansing, Michigan 48824, United States
- Department of Electrical and Computer Engineering, Michigan State University, East Lansing, Michigan 48824, United States
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3
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Lu YC, Chen BH, Yung TY, Tzeng YC, Fang CY, Chung RJ, Chen PT. Nano-Diamond-Enhanced Integrated Response of a Surface Plasmon Resonance Biosensor. SENSORS (BASEL, SWITZERLAND) 2023; 23:s23115216. [PMID: 37299943 DOI: 10.3390/s23115216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 05/10/2023] [Accepted: 05/24/2023] [Indexed: 06/12/2023]
Abstract
Surface plasmon resonance (SPR) sensing is a real-time detection technique for measuring biomolecular interactions on gold surfaces. This study presents a novel approach using nano-diamonds (NDs) on a gold nano-slit array to obtain an extraordinary transmission (EOT) spectrum for SPR biosensing. We used anti-bovine serum albumin (anti-BSA) to bind NDs for chemical attachment to a gold nano-slit array. The covalently bound NDs shifted the EOT response depending on their concentration. The number of ND-labeled molecules attached to the gold nano-slit array was quantified from the change in the EOT spectrum. The concentration of anti-BSA in the 35 nm ND solution sample was much lower than that in the anti-BSA-only sample (approximately 1/100). With the help of 35 nm NDs, we were able to use a lower concentration of analyte in this system and obtained better signal responses. The responses of anti-BSA-linked NDs had approximately a 10-fold signal enhancement compared to anti-BSA alone. This approach has the advantage of a simple setup and microscale detection area, which makes it suitable for applications in biochip technology.
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Affiliation(s)
- Yu-Chun Lu
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei 10608, Taiwan
| | - Bin-Hao Chen
- Department of Vehicle Engineering, National Taipei University of Technology, Taipei 10608, Taiwan
| | - Tung-Yuan Yung
- Nuclear Fuels and Materials Division, Institute of Nuclear Energy Research, Taoyuan 32546, Taiwan
| | - Yu-Chih Tzeng
- Department of Power Vehicle System Engineer, Chung Cheng Institute of Technology, National Defense University, Taoyuan 33551, Taiwan
| | | | - Ren-Jei Chung
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei 10608, Taiwan
| | - Po-Tuan Chen
- Department of Vehicle Engineering, National Taipei University of Technology, Taipei 10608, Taiwan
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4
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Hong C, Yang S, Ndukaife JC. Exosomes trapping, manipulation and size-based separation using opto-thermo-electrohydrodynamic tweezers. NANOSCALE ADVANCES 2023; 5:2973-2978. [PMID: 37260502 PMCID: PMC10228344 DOI: 10.1039/d3na00101f] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 05/03/2023] [Indexed: 06/02/2023]
Abstract
Owing to the heterogeneity of exosomes in size and biomolecular composition, there is a need for new approaches for trapping, manipulating, and sorting of single exosomes in solution. Due to their small size ranging from 30 nm to 150 nm and their relatively low refractive index, their stable trapping using optical tweezers has been met with challenges. Trapping exosomes in an optical trap requires nearly 100 mW of input power, which predisposes them to photo-induced damage and membrane rupture at the laser focus. Here, we report a high stability opto-thermo-electrohydrodynamic tweezer for the stable stand-off trapping of single exosomes based on a concentric nanohole array (CNA) using laser illumination and an a.c. field. The CNA system generates two regions of electrohydrodynamic potentials several microns away from the laser focus where single exosomes are trapped. We demonstrate the rapid trapping within seconds, and selective dynamic manipulation of exosomes based on size using only 4.2 mW of input laser power. The proposed platform opens up a promising approach for stabilizing single exosomes in solution and controlling their distribution based on size without the risk of photo-induced damage.
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Affiliation(s)
- Chuchuan Hong
- Electrical and Computer Engineering Department, Vanderbilt University Nashville TN 37212 USA
- Vanderbilt Institute of Nanoscale Science and Engineering, Vanderbilt University Nashville TN 37212 USA
| | - Sen Yang
- Electrical and Computer Engineering Department, Vanderbilt University Nashville TN 37212 USA
- Vanderbilt Institute of Nanoscale Science and Engineering, Vanderbilt University Nashville TN 37212 USA
| | - Justus C Ndukaife
- Electrical and Computer Engineering Department, Vanderbilt University Nashville TN 37212 USA
- Vanderbilt Institute of Nanoscale Science and Engineering, Vanderbilt University Nashville TN 37212 USA
- Interdisciplinary Material Science, Vanderbilt University Nashville TN 37212 USA
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5
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Chen Y, Bai Y, Wang X, Zhang H, Zheng H, Gu N. Plasmonic/magnetic nanoarchitectures: From controllable design to biosensing and bioelectronic interfaces. Biosens Bioelectron 2023; 219:114744. [PMID: 36327555 DOI: 10.1016/j.bios.2022.114744] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 09/13/2022] [Accepted: 09/19/2022] [Indexed: 02/08/2023]
Abstract
Controllable design of the nanocrystal-assembled plasmonic/magnetic nanoarchitectures (P/MNAs) inspires abundant methodologies to enhance light-matter interactions and control magnetic-induced effects by means of fine-tuning the morphology and ordered packing of noble metallic or magnetic building blocks. The burgeoning development of multifunctional nanoarchitectures has opened up broad range of interdisciplinary applications including biosensing, in vitro diagnostic devices, point-of-care (POC) platforms, and soft bioelectronics. By taking advantage of their customizability and efficient conjugation with capping biomolecules, various nanoarchitectures have been integrated into high-performance biosensors with remarkable sensitivity and versatility, enabling key features that combined multiplexed detection, ease-of-use and miniaturization. In this review, we provide an overview of the representative developments of nanoarchitectures that being built by plasmonic and magnetic nanoparticles over recent decades. The design principles and key mechanisms for signal amplification and quantitative sensitivity have been explored. We highlight the structure-function programmability and prospects of addressing the main limitations for conventional biosensing strategies in terms of accurate selectivity, sensitivity, throughput, and optoelectronic integration. State-of-the-art strategies to achieve affordable and field-deployable POC devices for early multiplexed detection of infectious diseases such as COVID-19 has been covered in this review. Finally, we discuss the urgent yet challenging issues in nanoarchitectures design and related biosensing application, such as large-scale fabrication and integration with portable devices, and provide perspectives and suggestions on developing smart biosensors that connecting the materials science and biomedical engineering for personal health monitoring.
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Affiliation(s)
- Yi Chen
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China; Southeast University-Monash University Joint Research Institute, Suzhou, 215123, China.
| | - Yu Bai
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China; Southeast University-Monash University Joint Research Institute, Suzhou, 215123, China
| | - Xi Wang
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China; Southeast University-Monash University Joint Research Institute, Suzhou, 215123, China
| | - Heng Zhang
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China; Southeast University-Monash University Joint Research Institute, Suzhou, 215123, China
| | - Haoran Zheng
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China; Southeast University-Monash University Joint Research Institute, Suzhou, 215123, China
| | - Ning Gu
- State Key Laboratory of Bioelectronics, Jiangsu Key Laboratory for Biomaterials and Devices, School of Biological Science and Medical Engineering, Southeast University, Nanjing, 210096, China; Southeast University-Monash University Joint Research Institute, Suzhou, 215123, China.
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6
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An T, Wen J, Dong Z, Zhang Y, Zhang J, Qin F, Wang Y, Zhao X. Plasmonic Biosensors with Nanostructure for Healthcare Monitoring and Diseases Diagnosis. SENSORS (BASEL, SWITZERLAND) 2022; 23:445. [PMID: 36617043 PMCID: PMC9824517 DOI: 10.3390/s23010445] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/20/2022] [Accepted: 12/20/2022] [Indexed: 06/17/2023]
Abstract
Nanophotonics has been widely utilized in enhanced molecularspectroscopy or mediated chemical reaction, which has major applications in the field of enhancing sensing and enables opportunities in developing healthcare monitoring. This review presents an updated overview of the recent exciting advances of plasmonic biosensors in the healthcare area. Manufacturing, enhancements and applications of plasmonic biosensors are discussed, with particular focus on nanolisted main preparation methods of various nanostructures, such as chemical synthesis, lithography, nanosphere lithography, nanoimprint lithography, etc., and describing their respective advances and challenges from practical applications of plasmon biosensors. Based on these sensing structures, different types of plasmonic biosensors are summarized regarding detecting cancer biomarkers, body fluid, temperature, gas and COVID-19. Last, the existing challenges and prospects of plasmonic biosensors combined with machine learning, mega data analysis and prediction are surveyed.
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Affiliation(s)
- Tongge An
- College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Jiahong Wen
- The College of Electronics and Information, Hangzhou Dianzi University, Hangzhou 310018, China
- Shangyu Institute of Science and Engineering, Hangzhou Dianzi University, Shaoxing 312000, China
| | - Zhichao Dong
- College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Yongjun Zhang
- College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Jian Zhang
- College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Faxiang Qin
- Institute for Composites Science Innovation, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Yaxin Wang
- College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Xiaoyu Zhao
- College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
- Zhejiang Laboratory, Hangzhou 311100, China
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7
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Ilatovskii DA, Gilshtein EP, Glukhova OE, Nasibulin AG. Transparent Conducting Films Based on Carbon Nanotubes: Rational Design toward the Theoretical Limit. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2201673. [PMID: 35712777 PMCID: PMC9405519 DOI: 10.1002/advs.202201673] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 05/22/2022] [Indexed: 05/19/2023]
Abstract
Electrically conductive thin-film materials possessing high transparency are essential components for many optoelectronic devices. The advancement in the transparent conductor applications requires a replacement of indium tin oxide (ITO), one of the key materials in electronics. ITO and other transparent conductive metal oxides have several drawbacks, including poor flexibility, high refractive index and haze, limited chemical stability, and depleted raw material supply. Single-walled carbon nanotubes (SWCNTs) are a promising alternative for transparent conducting films (TCFs) because of their unique and excellent chemical and physical properties. Here, the latest achievements in the optoelectronic performance of TCFs based on SWCNTs are analyzed. Various approaches to evaluate the performance of transparent electrodes are briefly reviewed. A roadmap for further research and development of the transparent conductors using "rational design," which breaks the deadlock for obtaining the TCFs with a performance close to the theoretical limit, is also described.
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Affiliation(s)
- Daniil A. Ilatovskii
- Skolkovo Institute of Science and TechnologyNobel Str. 3Moscow143026Russian Federation
| | - Evgeniia P. Gilshtein
- Empa‐Swiss Federal Laboratories for Materials Science and TechnologyÜberlandstrasse 129Dübendorf8600Switzerland
| | - Olga E. Glukhova
- Saratov State UniversityAstrakhanskaya Str. 83Saratov410012Russian Federation
- I.M. Sechenov First Moscow State Medical UniversityBolshaya Pirogovskaya Str. 2–4Moscow119991Russian Federation
| | - Albert G. Nasibulin
- Skolkovo Institute of Science and TechnologyNobel Str. 3Moscow143026Russian Federation
- Aalto UniversityEspooFI‐00076Finland
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8
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Quynh LT, Cheng CW, Huang CT, Raja SS, Mishra R, Yu MJ, Lu YJ, Gwo S. Flexible Plasmonics Using Aluminum and Copper Epitaxial Films on Mica. ACS NANO 2022; 16:5975-5983. [PMID: 35333048 DOI: 10.1021/acsnano.1c11191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
We demonstrate here the growth of aluminum (Al), copper (Cu), gold (Au), and silver (Ag) epitaxial films on two-dimensional, layered muscovite mica (Mica) substrates via van der Waals (vdW) heteroepitaxy with controllable film thicknesses from a few to hundreds of nanometers. In this approach, the mica thin sheet acts as a flexible and transparent substrate for vdW heteroepitaxy, which allows for large-area formation of atomically smooth, single-crystalline, and ultrathin plasmonic metals without the issue of film dewetting. The high-quality plasmonic metal films grown on mica enable us to design and fabricate well-controlled Al and Cu plasmonic nanostructures with tunable surface plasmon resonances ranging from visible to the near-infrared spectral region. Using these films, two kinds of plasmonic device applications are reported, including (1) plasmonic sensors with high effective index sensitivities based on surface plasmon interferometers fabricated on the Al/Mica film and (2) Cu/Mica nanoslit arrays for plasmonic color filters in the visible and near-infrared regions. Furthermore, we show that the responses of plasmonic nanostructures fabricated on the Mica substrates remain unaltered under large substrate bending conditions. Therefore, the metal-on-mica vdW heteroepitaxy platform is suitable for flexible plasmonics based on their bendable properties.
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Affiliation(s)
- Le Thi Quynh
- Department of Physics, National Tsing-Hua University, Hsinchu 30013, Taiwan
| | - Chang-Wei Cheng
- Department of Physics, National Tsing-Hua University, Hsinchu 30013, Taiwan
| | - Chiao-Tzu Huang
- Department of Electrophysics, National Yang-Ming Chaio-Tung University, Hsinchu 30010, Taiwan
| | - Soniya Suganthi Raja
- Institute of Nanoengineering and Microsystems, National Tsing-Hua University, Hsinchu 30013, Taiwan
| | - Ragini Mishra
- Institute of Nanoengineering and Microsystems, National Tsing-Hua University, Hsinchu 30013, Taiwan
| | - Meng-Ju Yu
- Research Center for Applied Sciences, Academia Sinica, Nankang, Taipei 11529, Taiwan
| | - Yu-Jung Lu
- Research Center for Applied Sciences, Academia Sinica, Nankang, Taipei 11529, Taiwan
| | - Shangjr Gwo
- Department of Physics, National Tsing-Hua University, Hsinchu 30013, Taiwan
- Department of Electrophysics, National Yang-Ming Chaio-Tung University, Hsinchu 30010, Taiwan
- Institute of Nanoengineering and Microsystems, National Tsing-Hua University, Hsinchu 30013, Taiwan
- Research Center for Applied Sciences, Academia Sinica, Nankang, Taipei 11529, Taiwan
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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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10
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Fibre-Optic Surface Plasmon Resonance Biosensor for Monoclonal Antibody Titer Quantification. BIOSENSORS-BASEL 2021; 11:bios11100383. [PMID: 34677339 PMCID: PMC8534111 DOI: 10.3390/bios11100383] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 10/05/2021] [Accepted: 10/06/2021] [Indexed: 12/21/2022]
Abstract
An extraordinary optical transmission fibre-optic surface plasmon resonance biosensing platform was engineered to improve its portability and sensitivity, and was applied to monitor the concentrations of monoclonal antibodies (Mabs). By refining the fabricating procedure and changing the material of the flow cell and the components of the optical fibre, the biosensor is portable and robust to external interference. After the implementation of an effective template cleaning procedure and precise control during the fabrication process, a consistent sensitivity of 509 ± 5 nm per refractive index unit (nm/RIU) was achieved. The biosensor can detect the Mab with a limit of detection (LOD) of 0.44 µg/mL. The results show that the biosensor is a potential tool for the rapid quantification of Mab titers. The biosensor can be regenerated at least 10 times with 10 mM glycine (pH = 2.5), and consistent signal changes were obtained after regeneration. Moreover, the employment of a spacer arm SM(PEG)2, used for immobilising protein A onto the gold film, was demonstrated to be unable to improve the detecting sensitivity; thus, a simple procedure without the spacer arm could be used to prepare the protein A-based biosensor. Our results demonstrate that the fibre-optic surface plasmon resonance biosensor is competent for the real-time and on-line monitoring of antibody titers in the future as a process analytical technologies (PATs) tool for bioprocess developments and the manufacture of therapeutic antibodies.
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Ma L, Song X, Yu Y, Chen Y. Two-Dimensional Silicene/Silicon Nanosheets: An Emerging Silicon-Composed Nanostructure in Biomedicine. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2008226. [PMID: 34050575 DOI: 10.1002/adma.202008226] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Indexed: 05/15/2023]
Abstract
Silicon-composed nanomedicines are one of the most representative inorganic nanosystems in theranostic biomedicine. The emerging of new family members of silicon-composed nanosystems substantially contributes to their further clinical translation. 2D silicene/silicon nanosheets have recently been developed as an emerging topology of silicon-composed nanoparticles, which features unique planar nanostructure with large surface area, abundant surface chemistry, specific physiochemical property, and desirable biological effects. This progress report highlights and discusses the state-of-art developments of the elaborate construction of 2D silicene/silicon nanosheets for versatile biomedical applications, including top-down fabrication, multifunctionalization, surface engineering, and their available biomedical applications in tumor theranostics (e.g., bioimaging, photothermal ablation, chemotherapy, chemoreactive nanotherapy, radiotherapy, and synergistic nanotherapy) and antibacteria. Their large surface area originating from 2D nanostructure not only enables efficient loading and delivery of chemotherapeutic drugs, but also guarantees the multifunctionalization. Especially, 2D silicene/silicon nanosheets harness desirable photothermal-conversion performance for photonic hyperthermia and photoacoustic imaging in the near infrared biowindow, accompanied with the desirable biodegradability and biocompatibility, which is typically not possessed in other silicon-composed counterparts. The multivariate analysis on the facing challenges and future developments of these 2D silicene/silicon nanosheets have also been conducted and outlooked for further underpinning their clinical translations.
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Affiliation(s)
- Lifang Ma
- Shanghai Institute of Thoracic Oncology, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China
| | - Xinran Song
- School of Life Sciences, Shanghai University, Shanghai, 2000444, P. R. China
| | - Yongchun Yu
- Shanghai Institute of Thoracic Oncology, Shanghai Chest Hospital, Shanghai Jiao Tong University, Shanghai, 200030, P. R. China
| | - Yu Chen
- School of Life Sciences, Shanghai University, Shanghai, 2000444, P. R. China
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12
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Jia S, Li Z, Chen J. High-sensitivity plasmonic sensor by narrowing Fano resonances in a tilted metallic nano-groove array. OPTICS EXPRESS 2021; 29:21358-21368. [PMID: 34265925 DOI: 10.1364/oe.430684] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 06/14/2021] [Indexed: 06/13/2023]
Abstract
Plasmonic sensors exhibit enormous potential in the areas of environmental monitoring, biomedical diagnostics, healthcare, food safety, security, and chemical reactions. However, the large bandwidths of surface-plasmon response spectra greatly reduce the sensitivities and detection limits of plasmonic sensors. Herein, we propose to tilt a metallic nano-groove array to reduce linewidths of Fano resonances, and the figure of merit (FOM) of a refractive index sensor is greatly increased. The Fano resonances stem from interference between narrow SPP resonant modes and a broad LSP mode in the metallic nano-groove array. When tilting the metallic nano-groove array, new Fano resonances emerge, greatly compressing the linewidth of Fano resonance of interest to ∼1.1 nm in the simulation. Experimentally, a narrow Fano resonance with a linewidth of Δλ≈2.5 nm is achieved, and a high-FOM (FOM ≈ 263) plasmonic sensor is demonstrated. This value of FOM is more than 4.7 times that (FOM ≤ 55) of Fano sensors based on SPP modes, and it is even approximately twice that (FOM ≈ 140) of the previous Fano sensor based on Wood's Anomaly.
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13
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Kim DM, Park JS, Jung SW, Yeom J, Yoo SM. Biosensing Applications Using Nanostructure-Based Localized Surface Plasmon Resonance Sensors. SENSORS (BASEL, SWITZERLAND) 2021; 21:3191. [PMID: 34064431 PMCID: PMC8125509 DOI: 10.3390/s21093191] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 04/30/2021] [Accepted: 05/03/2021] [Indexed: 01/06/2023]
Abstract
Localized surface plasmon resonance (LSPR)-based biosensors have recently garnered increasing attention due to their potential to allow label-free, portable, low-cost, and real-time monitoring of diverse analytes. Recent developments in this technology have focused on biochemical markers in clinical and environmental settings coupled with advances in nanostructure technology. Therefore, this review focuses on the recent advances in LSPR-based biosensor technology for the detection of diverse chemicals and biomolecules. Moreover, we also provide recent examples of sensing strategies based on diverse nanostructure platforms, in addition to their advantages and limitations. Finally, this review discusses potential strategies for the development of biosensors with enhanced sensing performance.
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Affiliation(s)
- Dong Min Kim
- Center for Applied Life Science, Hanbat National University, Daejeon 34158, Korea;
| | - Jong Seong Park
- School of Integrative Engineering, Chung-Ang University, Seoul 06974, Korea; (J.S.P.); (S.-W.J.); (J.Y.)
| | - Seung-Woon Jung
- School of Integrative Engineering, Chung-Ang University, Seoul 06974, Korea; (J.S.P.); (S.-W.J.); (J.Y.)
| | - Jinho Yeom
- School of Integrative Engineering, Chung-Ang University, Seoul 06974, Korea; (J.S.P.); (S.-W.J.); (J.Y.)
| | - Seung Min Yoo
- School of Integrative Engineering, Chung-Ang University, Seoul 06974, Korea; (J.S.P.); (S.-W.J.); (J.Y.)
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14
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Dong C, Shen KS, Zheng Y, Liu HC, Zhang J, Xia SQ, Wu F, Lu H, Zhang XZ, Liu YF. Quasiperiodic metamaterials empowered non-metallic broadband optical absorbers. OPTICS EXPRESS 2021; 29:13576-13589. [PMID: 33985090 DOI: 10.1364/oe.423353] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 04/07/2021] [Indexed: 06/12/2023]
Abstract
Realizing a polarization-insensitive broadband optical absorber plays a key role in the implementation of microstructure optoelectrical devices with on-demand functionalities. However, the challenge is that most of these devices involve the constituent metals, thus suffering from poor chemical and thermal stability and a complicated manufacturing process. In addition, the extreme contrast between the negative (metallic) and positive (dielectric) real parts of the constituent permittivities can cause additional problems in the design of structural devices. Based on these facts, this work proposes a design of planar broadband one-dimensional structure based on Fibonacci geometry. Experimental results show that the proposed planar structure exhibits high absorptivity behavior independent of polarization and angle in the wavelength range of 300-1000 nm. The absorptivity remains more than 80% when the incident angle is 60°. This proof-of-concept represents a new strategy for realizing non-metallic broadband optical absorbers with advantages of polarization-independence, low-cost, and wide-field-of-view and paves the way for light manipulation under harsh conditions.
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15
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Hageneder S, Fossati S, Ferrer NG, Güngörmez B, Auer SK, Dostalek J. Multi-diffractive grating for surface plasmon biosensors with direct back-side excitation. OPTICS EXPRESS 2020; 28:39770-39780. [PMID: 33379519 DOI: 10.1364/oe.410416] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 11/16/2020] [Indexed: 06/12/2023]
Abstract
A multi-diffractive nanostructure is reported for the resonant excitation of surface plasmons that are cross-coupled through a thin metallic film. It consists of two superimposed periodic corrugations that allow diffraction excitation of surface plasmons on the inner side of a thin metal film and their subsequent phase matching with counterpropagating surface plasmons travelling to the opposite direction on its other side. This interaction leads to establishing of a set of cross-coupled Bragg-scattered surface plasmon modes that exhibit an electromagnetic field localized on both metal film interfaces. The reported structure is attractive for surface plasmon resonance biosensor applications, where direct optical probing can be done through the substrate without the need of optical matching to a high refractive index prism. In addition, it can be prepared by mass production - compatible means with UV-nanoimprint lithography and its biosensing performance characteristics are demonstrated by refractometric and biomolecular affinity binding studies.
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16
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Wang X, Wang H. Self-assembled nitride-metal nanocomposites: recent progress and future prospects. NANOSCALE 2020; 12:20564-20579. [PMID: 33090168 DOI: 10.1039/d0nr06316a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Two-phase nanocomposites have gained significant research interest because of their multifunctionalities, tunable geometries and potential device applications. Different from the previously demonstrated oxide-oxide 2-phase nanocomposites, coupling nitrides with metals shows high potential for building alternative hybrid plasmonic metamaterials towards chemical sensing, tunable plasmonics, and nonlinear optics. Unique advantages, including distinct atomic interface, excellent crystalline quality, large-scale surface coverage and durable solid-state platform, address the high demand for new hybrid metamaterial designs for versatile optical material needs. This review summarizes the recent progress on nitride-metal nanocomposites, specifically targeting bottom-up self-assembled nanocomposite thin films. Various morphologies including vertically aligned nanocomposites (VANs), self-organized nanoinclusions, and nanoholes fabricated by additional chemical treatments are introduced. Starting from thin film nucleation and growth, the prerequisites of successful strain coupling and the underlying growth mechanisms are discussed. These findings facilitate a better control of tunable nanostructures and optical functionalities. Future research directions are proposed, including morphological control of the secondary phase to enhance its homogeneity, coupling nitrides with magnetic phase for the magneto-optical effect and growing all-ceramic nanocomposites to extend functionalities and anisotropy.
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Affiliation(s)
- Xuejing Wang
- School of Materials Engineering, Purdue University, West Lafayette, IN 47907, USA. and School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN 47907, USA
| | - Haiyan Wang
- School of Materials Engineering, Purdue University, West Lafayette, IN 47907, USA. and School of Electrical and Computer Engineering, Purdue University, West Lafayette, IN 47907, USA
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17
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Kim K, Lee GR, Kim M, Lim H, Jung YS, Park CB. Metallic Woodpile Nanostructures for Femtomolar Sensing of Alzheimer's Neurofilament Lights. ACS NANO 2020; 14:10376-10384. [PMID: 32706577 DOI: 10.1021/acsnano.0c04053] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Alzheimer's disease (AD), the most common age-related neurodegenerative disorder, accompanies a massive degradation of neurons including axonal injury. Being an axonal neuron-specific protein, neurofilament light (NfL) is a blood biomarker that reflects the neurodegeneration in AD, but no attempt has been made yet to develop sensing platforms that target NfLs in blood serum or plasma. Here, we report three-dimensional cross-stacked Pt nanowire arrays for the ultrasensitive photoelectrochemical (PEC) detection of NfLs. We constructed a woodpile-like Pt nanowire array (PtWP)-based biocathode by printing multilayer Pt nanowire arrays in an orthogonal configuration and conjugating them with NfL-specific DA2 antibodies. According to our collective electrochemical analyses, the five-layered PtWP electrode modified with DA2 antibodies exhibited high oxygen reduction activities due to the large electrochemical active surface area and the effective electron transfer properties. We have combined the DA2-PtWP biocathode with a water-oxidizing, iron oxyhydroxide-deposited bismuth vanadate (FeOOH/BiVO4) photoanode to assemble a bias-free PEC detection system. Powered by a white-light-emitting diode, the unbiased PEC platform accurately recognizes NfLs in blood plasma with the limit-of-detection of 38.2 fg/mL and limit-of-quantification of 853 fg/mL, which is 40 times lower than the NfL levels in AD patients' blood.
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Affiliation(s)
- Kayoung Kim
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 335 Science Road, Daejeon 305-701, Republic of Korea
| | - Gyu Rac Lee
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 335 Science Road, Daejeon 305-701, Republic of Korea
| | - Moohyun Kim
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 335 Science Road, Daejeon 305-701, Republic of Korea
| | - Hunhee Lim
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 335 Science Road, Daejeon 305-701, Republic of Korea
| | - Yeon Sik Jung
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 335 Science Road, Daejeon 305-701, Republic of Korea
| | - Chan Beum Park
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST), 335 Science Road, Daejeon 305-701, Republic of Korea
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18
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Michieli N, Balasa IG, Kalinic B, Cesca T, Mattei G. Optimal geometry for plasmonic sensing with non-interacting Au nanodisk arrays. NANOSCALE ADVANCES 2020; 2:3304-3315. [PMID: 36134286 PMCID: PMC9419756 DOI: 10.1039/d0na00208a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 06/03/2020] [Indexed: 06/16/2023]
Abstract
Combining finite elements method electrodynamic simulations and cost-effective and scalable nanofabrication techniques, we carried out a systematic investigation and optimization of the sensing properties of non-interacting gold nanodisk arrays. Such plasmonic nanoarchitectures offer a very effective platform for fast and simple, label-free, optical bio- and chemical-sensing. We varied their main geometrical parameters (diameter and height) to monitor the plasmonic resonance position and to find the configurations that maximize the sensitivity to small layers of an analyte (local sensitivity) or to the variation of the refractive index of an embedding medium (bulk sensitivity). The spectral position of the plasmonic resonance can be tuned over a wide range from the visible to the near-IR region (500-1300 nm) and state-of-the-art performances can be obtained using the optimized nanodisks; we obtained local and bulk sensitivities of S 0 = 11.9 RIU-1 and S bulk = 662 nm RIU-1, respectively. Moreover, the results of the simulations are compared with the performances of experimentally synthesized non-interacting Au nanodisk arrays fabricated by combining sparse colloidal lithography and hollow mask lithography, with the parameters obtained by the sensitivity numerical optimization. An excellent agreement between the experimental and the simulated results is demonstrated, confirming that the optimization performed with the simulations is directly applicable to nanosensors realized with cost-effective methods, due to the quite large stability basin around the maximum sensitivities.
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Affiliation(s)
- Niccolò Michieli
- Department of Physics and Astronomy, NanoStructures Group, University of Padova Via Marzolo 8 I-35131 Padova Italy
| | - Ionut Gabriel Balasa
- Department of Physics and Astronomy, NanoStructures Group, University of Padova Via Marzolo 8 I-35131 Padova Italy
| | - Boris Kalinic
- Department of Physics and Astronomy, NanoStructures Group, University of Padova Via Marzolo 8 I-35131 Padova Italy
| | - Tiziana Cesca
- Department of Physics and Astronomy, NanoStructures Group, University of Padova Via Marzolo 8 I-35131 Padova Italy
| | - Giovanni Mattei
- Department of Physics and Astronomy, NanoStructures Group, University of Padova Via Marzolo 8 I-35131 Padova Italy
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19
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Ferhan AR, Yoon BK, Jeon WY, Cho NJ. Biologically interfaced nanoplasmonic sensors. NANOSCALE ADVANCES 2020; 2:3103-3114. [PMID: 36134263 PMCID: PMC9418064 DOI: 10.1039/d0na00279h] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2020] [Accepted: 06/26/2020] [Indexed: 05/30/2023]
Abstract
Understanding biointerfacial processes is crucial in various fields across fundamental and applied biology, but performing quantitative studies via conventional characterization techniques remains challenging due to instrumentation as well as analytical complexities and limitations. In order to accelerate translational research and address current challenges in healthcare and medicine, there is an outstanding need to develop surface-sensitive technologies with advanced measurement capabilities. Along this line, nanoplasmonic sensing has emerged as a powerful tool to quantitatively study biointerfacial processes owing to its high spatial resolution at the nanoscale. Consequently, the development of robust biological interfacing strategies becomes imperative to maximize its characterization potential. This review will highlight and discuss the critical role of biological interfacing within the context of constructing nanoplasmonic sensing platforms for biointerfacial science applications. Apart from paving the way for the development of highly surface-sensitive characterization tools that will spur fundamental biological interaction studies and improve the overall understanding of biological processes, the basic principles behind biointerfacing strategies presented in this review are also applicable to other fields that involve an interface between an inorganic material and a biological system.
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Affiliation(s)
- Abdul Rahim Ferhan
- School of Materials Science and Engineering, Nanyang Technological University 50 Nanyang Avenue 639798 Singapore
| | - Bo Kyeong Yoon
- School of Materials Science and Engineering, Nanyang Technological University 50 Nanyang Avenue 639798 Singapore
- School of Chemical Engineering, Sungkyunkwan University Suwon 16419 Republic of Korea
| | - Won-Yong Jeon
- School of Chemical Engineering, Sungkyunkwan University Suwon 16419 Republic of Korea
| | - Nam-Joon Cho
- School of Materials Science and Engineering, Nanyang Technological University 50 Nanyang Avenue 639798 Singapore
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20
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Hernandez Oendra AC, De Leo E, Koepfli SM, Winkler JM, Rossinelli AA, Riedinger A, Norris DJ, Prins F. Template Stripping of Perovskite Thin Films for Dry Interfacing and Surface Structuring. ACS APPLIED MATERIALS & INTERFACES 2020; 12:26601-26606. [PMID: 32392031 DOI: 10.1021/acsami.0c04006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Combining excellent optoelectronic properties with the benefits of solution processability, metal-halide perovskites are promising materials for photovoltaic and light-emitting technologies. To facilitate the integration of perovskite thin films into optoelectronic devices, a need exists for simple and efficient fabrication methods. Here, we present a template-stripping technique to produce ultraflat and flexible perovskite thin films. We apply a one-step spin-coating procedure to produce high-quality CH3NH3PbBr3 perovskite thin films on top of ultraflat silicon templates. These films can be mechanically cleaved from the template using a polymer adhesive to reveal the ultraflat perovskite surfaces. We demonstrate how the flatness and flexibility of the template-stripped films enable new processing strategies based on dry interfacing, by interfacing them with plasmonic hole arrays. Moreover, we show that by using prepatterned silicon templates, structured perovskite surfaces can be produced with feature sizes down to a micrometer.
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Affiliation(s)
- Alexander C Hernandez Oendra
- Optical Materials Engineering Laboratory, Department of Mechanical and Process Engineering, ETH Zurich, Rämistrasse 101, Zürich 8092, Switzerland
| | - Eva De Leo
- Optical Materials Engineering Laboratory, Department of Mechanical and Process Engineering, ETH Zurich, Rämistrasse 101, Zürich 8092, Switzerland
| | - Stefan M Koepfli
- Optical Materials Engineering Laboratory, Department of Mechanical and Process Engineering, ETH Zurich, Rämistrasse 101, Zürich 8092, Switzerland
| | - Jan M Winkler
- Optical Materials Engineering Laboratory, Department of Mechanical and Process Engineering, ETH Zurich, Rämistrasse 101, Zürich 8092, Switzerland
| | - Aurelio A Rossinelli
- Optical Materials Engineering Laboratory, Department of Mechanical and Process Engineering, ETH Zurich, Rämistrasse 101, Zürich 8092, Switzerland
| | - Andreas Riedinger
- Optical Materials Engineering Laboratory, Department of Mechanical and Process Engineering, ETH Zurich, Rämistrasse 101, Zürich 8092, Switzerland
| | - David J Norris
- Optical Materials Engineering Laboratory, Department of Mechanical and Process Engineering, ETH Zurich, Rämistrasse 101, Zürich 8092, Switzerland
| | - Ferry Prins
- Optical Materials Engineering Laboratory, Department of Mechanical and Process Engineering, ETH Zurich, Rämistrasse 101, Zürich 8092, Switzerland
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21
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Kotlarek D, Fossati S, Venugopalan P, Gisbert Quilis N, Slabý J, Homola J, Lequeux M, Amiard F, Lamy de la Chapelle M, Jonas U, Dostálek J. Actuated plasmonic nanohole arrays for sensing and optical spectroscopy applications. NANOSCALE 2020; 12:9756-9768. [PMID: 32324184 DOI: 10.1039/d0nr00761g] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Herein, we report a new approach to rapidly actuate the plasmonic characteristics of thin gold films perforated with nanohole arrays that are coupled with arrays of gold nanoparticles. The near-field interaction between the localized and propagating surface plasmon modes supported by the structure was actively modulated by changing the distance between the nanoholes and nanoparticles and varying the refractive index symmetry of the structure. This approach was applied by using a thin responsive hydrogel cushion, which swelled and collapsed by a temperature stimulus. The detailed experimental study of the changes and interplay of localized and propagating surface plasmons was complemented by numerical simulations. We demonstrate that the interrogation and excitation of the optical resonance to these modes allow the label-free SPR observation of the binding of biomolecules, and is applicable for in situ SERS studies of low molecular weight molecules attached in the gap between the nanoholes and nanoparticles.
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Affiliation(s)
- Daria Kotlarek
- Biosensor Technologies, AIT-Austrian Institute of Technology GmbH, Konrad-Lorenz-Straße 24, 3430 Tulln an der Donau, Austria.
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22
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Real-Time Sensing with Patterned Plasmonic Substrates and a Compact Imager Chip. Methods Mol Biol 2020. [PMID: 31309475 DOI: 10.1007/978-1-4939-9616-2_8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register]
Abstract
Optical sensing is an important research field due to its proven ability to be extremely sensitive, nondestructive, and applicable to sensing a wide range of chemical, thermal, electric, or magnetic phenomena. Beyond traditional optical sensors that often rely on bulky setups, plasmonic nanostructures can offer many advantages based on their sensitivity, compact form, cost-effectiveness, multiplexing compatibility, and compatibility with many standard semiconductor nanofabrication techniques. In particular, plasmon-enhanced optical transmission through arrays of nanostructured holes has led to the development of a new generation of optical sensors. In this chapter we present a simple fabrication technique to use plasmonic nanostructures as compact sensors. We position the nanohole array, an LED illumination source, and a spacer layer directly on top of a standard complementary metal-oxide-semiconductor (CMOS) imager chip. This setup is a viable sensor platform in both liquid and gas environments. These devices could operate as low-cost sensors for environmental monitoring, security, food safety, or monitoring small-molecule binding to extract affinity information and binding constants.
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23
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Wang X, Ma X, Shi E, Lu P, Dou L, Zhang X, Wang H. Large-Scale Plasmonic Hybrid Framework with Built-In Nanohole Array as Multifunctional Optical Sensing Platforms. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e1906459. [PMID: 32072751 DOI: 10.1002/smll.201906459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 01/19/2020] [Indexed: 06/10/2023]
Abstract
Light coupling with patterned subwavelength hole arrays induces enhanced transmission supported by the strong surface plasmon mode. In this work, a nanostructured plasmonic framework with vertically built-in nanohole arrays at deep-subwavelength scale (6 nm) is demonstrated using a two-step fabrication method. The nanohole arrays are formed first by the growth of a high-quality two-phase (i.e., Au-TiN) vertically aligned nanocomposite template, followed by selective wet-etching of the metal (Au). Such a plasmonic nanohole film owns high epitaxial quality with large surface coverage and the structure can be tailored as either fully etched or half-way etched nanoholes via careful control of the etching process. The chemically inert and plasmonic TiN plays a role in maintaining sharp hole boundary and preventing lattice distortion. Optical properties such as enhanced transmittance and anisotropic dielectric function in the visible regime are demonstrated. Numerical simulation suggests an extended surface plasmon mode and strong field enhancement at the hole edges. Two demonstrations, including the enhanced and modulated photoluminescence by surface coupling with 2D perovskite nanoplates and the refractive index sensing by infiltrating immersion liquids, suggest the great potential of such plasmonic nanohole array for reusable surface plasmon-enhanced sensing applications.
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Affiliation(s)
- Xuejing Wang
- School of Materials Engineering, Purdue University, West Lafayette, IN, 47906, USA
| | - Xuedan Ma
- Center for Nanoscale Materials, Argonne National Laboratory, Argonne, IL, 60439, USA
| | - Enzheng Shi
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN, 47907, USA
| | - Ping Lu
- Sandia National Laboratory, Albuquerque, NM, 87185, USA
| | - Letian Dou
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN, 47907, USA
| | - Xinghang Zhang
- School of Materials Engineering, Purdue University, West Lafayette, IN, 47906, USA
| | - Haiyan Wang
- School of Materials Engineering, Purdue University, West Lafayette, IN, 47906, USA
- School of Electrical Engineering, Purdue University, West Lafayette, IN, 47906, USA
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24
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Du B, Yang D, Ruan Y, Jia P, Ebendorff-Heidepriem H. Compact plasmonic fiber tip for sensitive and fast humidity and human breath monitoring. OPTICS LETTERS 2020; 45:985-988. [PMID: 32058524 DOI: 10.1364/ol.381085] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Accepted: 01/09/2020] [Indexed: 06/10/2023]
Abstract
We demonstrate a plasmonic fiber tip for relative humidity (RH) detection by integrating a gold nanomembrane onto the end-face of a multimode optical fiber via a flexible and high-efficiency transfer method. Fast water condensation/evaporation is responsible for the high performance of the fiber tip in response to RH. A high sensitivity of 279 pm/%RH is obtained in the range of $ 11\% \sim 92\% {\rm RH} $11%∼92%RH. Taking advantage of the fast dynamics (response and recovery times of 156 ms and 277 ms), the plasmonic fiber tip offers an excellent detection capability to human breaths at varied frequencies and depths. The compact, easy-fabrication, and fast-dynamics plasmonic platform has versatile potential for practical applications, including environmental and healthcare monitoring, as well as biochemical sensing.
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25
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Abstract
Plasmonic-active nanomaterials are of high interest to scientists because of their expanding applications in the field for medicine and energy. Chemical and biological sensors based on plasmonic nanomaterials are well-established and commercially available, but the role of plasmonic nanomaterials on photothermal therapeutics, solar cells, super-resolution imaging, organic synthesis, etc. is still emerging. The effectiveness of the plasmonic materials on these technologies depends on their stability and sensitivity. Preparing plasmonics-active nanostructured thin films (PANTFs) on a solid substrate improves their physical stability. More importantly, the surface plasmons of thin film and that of nanostructures can couple in PANTFs enhancing the sensitivity. A PANTF can be used as a transducer for any of the three plasmonic-based sensing techniques, namely, the propagating surface plasmon, localized surface plasmon resonance, and surface-enhanced Raman spectroscopy-based sensing techniques. Additionally, continuous nanostructured metal films have an advantage for implementing electrical controls such as simultaneous sensing using both plasmonic and electrochemical techniques. Although research and development on PANTFs have been rapidly advancing, very few reviews on synthetic methods have been published. In this review, we provide some fundamental and practical aspects of plasmonics along with the recent advances in PANTFs synthesis, focusing on the advantages and shortcomings of the fabrication techniques. We also provide an overview of different types of PANTFs and their sensitivity for biosensing.
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26
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Vala M, Ertsgaard CT, Wittenberg NJ, Oh SH. Plasmonic Sensing on Symmetric Nanohole Arrays Supporting High-Q Hybrid Modes and Reflection Geometry. ACS Sens 2019; 4:3265-3274. [PMID: 31762262 DOI: 10.1021/acssensors.9b01780] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Refractometric sensors utilizing surface plasmon resonance (SPR) should satisfy a series of performance metrics, bulk sensitivity, thin-film sensitivity, refractive-index resolution, and high-Q-factor resonance, as well as practical requirements such as manufacturability and the ability to separate optical and fluidic paths via reflection-mode sensing. While many geometries such as nanohole, nanoslit, and nanoparticles have been employed, it is nontrivial to engineer nanostructures to satisfy all of the aforementioned requirements. We combine gold nanohole arrays with a water-index-matched Cytop film to demonstrate reflection-mode, high-Q-factor (Qexp = 143) symmetric plasmonic sensor architecture. Using template stripping with a Cytop film, we can replicate a large number of index-symmetric nanohole arrays, which support sharp plasmonic resonances that can be probed by light reflected from their backside with a high extinction amplitude. The reflection geometry separates the optical and microfluidic paths without sacrificing sensor performance as is the case of standard (index-asymmetric) nanohole arrays. Furthermore, plasmon hybridization caused by the array refractive-index symmetry enables dual-mode detection that allows distinction of refractive-index changes occurring at different distances from the surface, making it possible to identify SPR response from differently sized particles or to distinguish binding events near the surface from bulk index changes. Due to the unique combination of a dual-mode reflection-configuration sensing, high-Q plasmonic modes, and template-stripping nanofabrication, this platform can extend the utility of nanohole SPR for sensing applications involving biomolecules, polymers, nanovesicles, and biomembranes.
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Affiliation(s)
- Milan Vala
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
- Institute of Photonics and Electronics, Czech Academy of Sciences, 18251 Prague, Czech Republic
| | - Christopher T. Ertsgaard
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Nathan J. Wittenberg
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
- Department of Chemistry, Lehigh University, Bethlehem, Pennsylvania 18015, United States
| | - Sang-Hyun Oh
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
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27
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Jackman JA, Ferhan AR, Cho NJ. Surface-Based Nanoplasmonic Sensors for Biointerfacial Science Applications. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2019. [DOI: 10.1246/bcsj.20190112] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Joshua A. Jackman
- School of Chemical Engineering, Sungkyunkwan University, Suwon 16419, Korea
| | - Abdul Rahim Ferhan
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Nam-Joon Cho
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459, Singapore
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28
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Chia C, Jeffrey SS, Howe RT. Scalable methods for ultra-smooth platinum in nanoscale devices. MICRO AND NANO ENGINEERING 2019. [DOI: 10.1016/j.mne.2019.04.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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29
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Cesaria M, Taurino A, Manera MG, Minunni M, Scarano S, Rella R. Gold nanoholes fabricated by colloidal lithography: novel insights into nanofabrication, short-range correlation and optical properties. NANOSCALE 2019; 11:8416-8432. [PMID: 30985849 DOI: 10.1039/c8nr09911a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Colloidal lithography is widely used as a low cost and large-area deposition approach, alternative to the conventional small-area expensive lithographic techniques, for the fabrication of short-range ordered sub-wavelength metallic nanostructures. This paper contributes to the understanding of the impact of the fabrication protocol of a colloidal mask on the optical and sensing properties of short range-ordered nanohole (NH) distributions fabricated by colloidal lithography in optically thin (20 nm thick) gold films. We consider polystyrene nanospheres (PS-NSPs) with a nominal diameter of 80 nm, electrostatically adsorbed from a salt-free colloidal solution onto a polydiallyldimethylammonium (PDDA) countercharged monolayer. By avoiding the conventional polyelectrolyte multilayer and based on the interplay between the deposition times of both PDDA and PS-NSPs, we demonstrate effective simplification of the commonly applied deposition protocol and effective tuning of the NH-to-NH spacing (dNN) with negligible agglomeration. Comparison with NH samples prepared by salt-containing colloidal solutions points out the negative impact of salt addition on the optical properties. The effective tuning of dNN obtained by our protocol demonstrates highly correlated disorder under unsaturated adsorption and allows a discussion on the analogies of the optical response between long- and short- range ordered NH systems, which is a still debated topic. By Fast Fourier Transform of autocorrelation images of scanning electron microscopy micrographs we demonstrate quantitatively, rather than in principle, the correspondence between an inherent ordering length-scale and dNN. As optical transducers for detecting refractive index changes, our samples exhibit significant bulk sensitivity (∼309 nm RIU-1) in the framework of short range ordered NH systems.
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Affiliation(s)
- Maura Cesaria
- Institute for Microelectronics and Microsystems, IMM-CNR, Via Monteroni, I-73100 Lecce, Italy.
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30
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Prasad A, Choi J, Jia Z, Park S, Gartia MR. Nanohole array plasmonic biosensors: Emerging point-of-care applications. Biosens Bioelectron 2019; 130:185-203. [PMID: 30738247 PMCID: PMC6475599 DOI: 10.1016/j.bios.2019.01.037] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Revised: 01/03/2019] [Accepted: 01/18/2019] [Indexed: 01/18/2023]
Abstract
Point-of-care (POC) applications have expanded hugely in recent years and is likely to continue, with an aim to deliver cheap, portable, and reliable devices to meet the demands of healthcare industry. POC devices are designed, prototyped, and assembled using numerous strategies but the key essential features that biosensing devices require are: (1) sensitivity, (2) selectivity, (3) specificity, (4) repeatability, and (5) good limit of detection. Overall the fabrication and commercialization of the nanohole array (NHA) setup to the outside world still remains a challenge. Here, we review the various methods of NHA fabrication, the design criteria, the geometrical features, the effects of surface plasmon resonance (SPR) on sensing as well as current state-of-the-art of existing NHA sensors. This review also provides easy-to-understand examples of NHA-based POC biosensing applications, its current status, challenges, and future prospects.
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Affiliation(s)
- Alisha Prasad
- Department of Mechanical and Industrial Engineering, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Junseo Choi
- Department of Mechanical and Industrial Engineering, Louisiana State University, Baton Rouge, LA 70803, USA; NIH Center for BioModular Multiscale Systems for Precision Medicine, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Zheng Jia
- Department of Mechanical and Industrial Engineering, Louisiana State University, Baton Rouge, LA 70803, USA; NIH Center for BioModular Multiscale Systems for Precision Medicine, Louisiana State University, Baton Rouge, LA 70803, USA
| | - Sunggook Park
- Department of Mechanical and Industrial Engineering, Louisiana State University, Baton Rouge, LA 70803, USA; NIH Center for BioModular Multiscale Systems for Precision Medicine, Louisiana State University, Baton Rouge, LA 70803, USA.
| | - Manas Ranjan Gartia
- Department of Mechanical and Industrial Engineering, Louisiana State University, Baton Rouge, LA 70803, USA.
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31
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Wang D, Loo JFC, Chen J, Yam Y, Chen SC, He H, Kong SK, Ho HP. Recent Advances in Surface Plasmon Resonance Imaging Sensors. SENSORS 2019; 19:s19061266. [PMID: 30871157 PMCID: PMC6471112 DOI: 10.3390/s19061266] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Revised: 02/22/2019] [Accepted: 02/26/2019] [Indexed: 12/12/2022]
Abstract
The surface plasmon resonance (SPR) sensor is an important tool widely used for studying binding kinetics between biomolecular species. The SPR approach offers unique advantages in light of its real-time and label-free sensing capabilities. Until now, nearly all established SPR instrumentation schemes are based on single- or several-channel configurations. With the emergence of drug screening and investigation of biomolecular interactions on a massive scale these days for finding more effective treatments of diseases, there is a growing demand for the development of high-throughput 2-D SPR sensor arrays based on imaging. The so-called SPR imaging (SPRi) approach has been explored intensively in recent years. This review aims to provide an up-to-date and concise summary of recent advances in SPRi. The specific focuses are on practical instrumentation designs and their respective biosensing applications in relation to molecular sensing, healthcare testing, and environmental screening.
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Affiliation(s)
- Dongping Wang
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong, China.
| | - Jacky Fong Chuen Loo
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong, China.
- Biochemistry Programme, School of Life Sciences, The Chinese University of Hong Kong, Hong Kong, China.
| | - Jiajie Chen
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong, China.
| | - Yeung Yam
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong, China.
| | - Shih-Chi Chen
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong, China.
| | - Hao He
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Siu Kai Kong
- Biochemistry Programme, School of Life Sciences, The Chinese University of Hong Kong, Hong Kong, China.
| | - Ho Pui Ho
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong, China.
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32
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Cai Y, Zhu J, He J, Wen Y, Ma C, Xiong F, Li F, Chen W, Chen P. Magnet Patterned Superparamagnetic Fe 3 O 4 /Au Core-Shell Nanoplasmonic Sensing Array for Label-Free High Throughput Cytokine Immunoassay. Adv Healthc Mater 2019; 8:e1801478. [PMID: 30645037 PMCID: PMC6486820 DOI: 10.1002/adhm.201801478] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Revised: 12/16/2018] [Indexed: 01/28/2023]
Abstract
Rapid and accurate immune monitoring plays a decisive role in effectively treating immune-related diseases especially at point-of-care, where an immediate decision on treatment is needed upon precise determination of the patient immune status. Derived from the emerging clinical demands, there is an urgent need for a cytokine immunoassay that offers unprecedented sensor performance with high sensitivity, throughput, and multiplexing capability, as well as short turnaround time at low system complexity, manufacturability, and scalability. In this paper, a label-free, high throughput cytokine immunoassay based on a magnet patterned Fe3 O4 /Au core-shell nanoparticle (FACSNP) sensing array is developed. By exploiting the unique superparamagnetic and plasmonic properties of the core-shell nanomaterials, a facile microarray patterning technique is established that allows the fabrication of a uniform, self-assembled microarray on a large surface area with remarkable tunability and scalability. The sensing performance of the FACSNP microarray is validated by real-time detection of four cytokines in complex biological samples, showing high sensitivity (≈20 pg mL-1 ), selectivity and throughput with excellent statistical accuracy. The developed immunoassay is successfully applied for rapid determination of the functional immunophenotype of leukemia tumor-associated macrophages, manifesting its potential clinical applications for real-time immune monitoring, early cancer detection, and therapeutic drug stratification toward personalized medicine.
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Affiliation(s)
- Yuxin Cai
- Materials Research and Education Center, Materials Engineering, Department of Mechanical Engineering, Auburn University, Auburn, AL, USA
| | - Jingyi Zhu
- Department of Mechanical and Aerospace Engineering, New York University, New York, NY, USA
| | - Jiacheng He
- Materials Research and Education Center, Materials Engineering, Department of Mechanical Engineering, Auburn University, Auburn, AL, USA
| | - Yang Wen
- Materials Research and Education Center, Materials Engineering, Department of Mechanical Engineering, Auburn University, Auburn, AL, USA
| | - Chao Ma
- Department of Mechanical and Aerospace Engineering, New York University, New York, NY, USA
| | - Feng Xiong
- Department of Drug Discovery and Development, Harrison School of Pharmacy, Auburn University, Auburn, AL, USA
| | - Feng Li
- Department of Drug Discovery and Development, Harrison School of Pharmacy, Auburn University, Auburn, AL, USA
| | - Weiqiang Chen
- Department of Mechanical and Aerospace Engineering, New York University, New York, NY, USA
- Department of Biomedical Engineering, New York University, New York, NY, USA
| | - Pengyu Chen
- Materials Research and Education Center, Materials Engineering, Department of Mechanical Engineering, Auburn University, Auburn, AL, USA
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Liu W, Zou Q, Zheng C, Jin C. Metal-Assisted Transfer Strategy for Construction of 2D and 3D Nanostructures on an Elastic Substrate. ACS NANO 2019; 13:440-448. [PMID: 30586279 DOI: 10.1021/acsnano.8b06623] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Compared with conventional rigid devices, the elastic substrates integrated with functional components offer various advantages, such as flexibility, dynamic tunability, and biocompatibility. However, the reliable formations of 2D nanoparticles, nanogaps, and 3D nanostructures on elastic substrates are still challenging. The conventional transfer method plays an important role in the fabrication of microstructures on elastic substrates; however, it could not fabricate structures with feature size less than a few micrometers. In this article, we have developed a flexible technique based on the "metal-assisted transfer" strategy. The key concept is to introduce a metal film as an assistant layer between nanostructures and silicon substrates to help the fabrication of nanostructures which cannot be successfully transferred in the conventional transfer method. Various 2D nanostructures, which are difficult to achieve on elastic substrates, could be reliably defined using this approach. The desired gap distances and even sub-10 nm metal gaps between adjacent nanoparticles can be controllably achieved. Moreover, 3D nanostructures can be directly assembled from the prestrained 2D precursors based on the developed technique. Comparing with the previous reports, our fabrication method contains only a one-step transfer process without selective bonding or a second transfer process. Significantly, the 3D nanostructures presented here are 2 orders of magnitude smaller than the state-of-the-art mechanically assembled 3D structures in unit cell size. The proposed method may become a mainstream technology for the nano-optics and ultracompact optoelectronic devices due to its multifunctionalities and superior advantages in achieving tunable nanoparticles as well as 3D nanostructures.
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Affiliation(s)
- Wenjie Liu
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Materials Science and Engineering , Sun Yat-sen University , Guangzhou 510275 , China
| | - Qiushun Zou
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Materials Science and Engineering , Sun Yat-sen University , Guangzhou 510275 , China
- School of Electronics and Information Technology , Sun Yat-sen University , Guangzhou 510275 , China
| | - Chaoqun Zheng
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Materials Science and Engineering , Sun Yat-sen University , Guangzhou 510275 , China
- School of Electronics and Information Technology , Sun Yat-sen University , Guangzhou 510275 , China
| | - Chongjun Jin
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Materials Science and Engineering , Sun Yat-sen University , Guangzhou 510275 , China
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Zhang G, Hsu C, Lan C, Gao R, Wen Y, Zhou J. Tailoring Nanohole Plasmonic Resonance with Light-Responsive Azobenzene Compound. ACS APPLIED MATERIALS & INTERFACES 2019; 11:2254-2263. [PMID: 30569700 DOI: 10.1021/acsami.8b17258] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Metal-based nanohole structures, featuring a continuous matrix and discrete voids, have seen a wide spectrum of practical applications, ranging from plasmonic sensing to extraordinary optical transmission. It would not be uncommon to pursue further enhancement of their optical tunability, and incorporation with other functional materials offers an intriguing lead. In this study, the first step involves colloidal lithography fabrication of gold-based, short-range ordered nanohole structures on a glass substrate with varying geometrical parameters. Plasmonic resonance in optical waveband is readily achieved from the coupling between bonding surface plasmons and nanohole lattices. Resonant features observed in transmission measurements could also be well reproduced both from numerical simulations as well as theoretical calculations based on the grating coupling mechanism. With the introduction of a thin layer of azobenzene compound by spin-coating comes the critical transformation that not only alters optical performances by impacting the surface environment but also bestows the structures with light responsiveness. After 488 nm of laser irradiation, it is observed that the structures underwent cross polarization conversion, which could be attributed to the photoalignment behavior from trans-cis isomerization within the azobenzene layer, yielding further optical tunability with the linearly polarized probe light compared to that in the preirradiated state. The tuning of plasmonic resonances through light stimuli paves a noncontacting path for achieving desired optical responses with potentially high spatial and temporal resolution. This work may serve as a fountainhead for future efforts on optically tailorable photonic devices associated with nanohole plasmonics.
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Affiliation(s)
| | | | - Chuwen Lan
- Beijing Laboratory of Advanced Information Networks & Beijing Key Laboratory of Network System Architecture and Convergence, School of Information and Communication Engineering , Beijing University of Posts and Telecommunications , Beijing 100876 , China
| | - Rui Gao
- High Temperature Thermochemistry Laboratory, Department of Mining and Materials Engineering , McGill University , Montreal , Quebec H3A 0C5 , Canada
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Performance metrics and enabling technologies for nanoplasmonic biosensors. Nat Commun 2018; 9:5263. [PMID: 30531967 PMCID: PMC6288137 DOI: 10.1038/s41467-018-06419-3] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Accepted: 09/04/2018] [Indexed: 11/08/2022] Open
Abstract
Nanoplasmonic structures can tightly confine light onto a material's surface to probe biomolecular interactions not easily accessed by other sensing techniques. New and exciting developments in nanofabrication processes, nano-optical trapping, graphene devices, mid-infrared spectroscopy, and metasurfaces will greatly empower the performance and functionalities of nanoplasmonic sensors.
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36
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Fragal VH, Fragal EH, Rubira AF, Silva R. Water Droplet Self-Assembly to Au Nanoporous Films with Special Light Trapping and Surface Electromagnetic Field Enhancement. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:14124-14133. [PMID: 30380882 DOI: 10.1021/acs.langmuir.8b01794] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Gold nano "breath figure" films are for the first time reported and their function as ideal systems for plasmonics demonstrated. Metal nano-breath figure substrates are metal thin films containing nanohole arrays supported on a solid substrate. Au nanohole arrays are prepared from the dynamic breath figure phenomenon, in which the pore formation is controlled to provide holes smaller than 100 nm. Au layer is deposited on polymer substrates containing breath figure topology. The breath figure topology can be fully translated to the Au layer. The nanofabrication process is completed within few minutes. A simplified preparation process but very impressive light trapping and surface electromagnetic field enhancement are related to the Au breath figure films obtained in this work. The porous films demonstrated higher absorbance in the region of 500-1100 nm than nonporous Au films. In the case of 10 nm Au film, the plasmon absorbance becomes more intense than the electronic band absorbance. The electromagnetic enhancement is proved by surface enhanced Raman spectroscopy effect, which is found to be very close to the maximum possible value predicted for nonresonant species.
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Affiliation(s)
- Vanessa H Fragal
- Departamento de Química , Universidade Estadual de Maringá , Avenida Colombo 5790 , 87020-900 Maringá , Paraná , Brazil
| | - Elizângela H Fragal
- Departamento de Química , Universidade Estadual de Maringá , Avenida Colombo 5790 , 87020-900 Maringá , Paraná , Brazil
| | - Adley F Rubira
- Departamento de Química , Universidade Estadual de Maringá , Avenida Colombo 5790 , 87020-900 Maringá , Paraná , Brazil
| | - Rafael Silva
- Departamento de Química , Universidade Estadual de Maringá , Avenida Colombo 5790 , 87020-900 Maringá , Paraná , Brazil
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37
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Zhang L, Li X, Wang Y, Sun K, Chen X, Chen H, Zhou J. Reproducible Plasmonic Nanopyramid Array of Various Metals for Highly Sensitive Refractometric and Surface-Enhanced Raman Biosensing. ACS OMEGA 2018; 3:14181-14187. [PMID: 30411061 PMCID: PMC6217687 DOI: 10.1021/acsomega.7b02016] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Accepted: 02/08/2018] [Indexed: 06/08/2023]
Abstract
Localized surface plasmon resonance (LSPR) biosensors show great potential for practical/commercial use in clinical diagnosis, home healthcare, environmental analysis, and public healthcare. However, two main issues, that is, low refractometric sensitivity and low reproducibility (large-area uniformity and batch-to-batch consistency), hinder the extensive applications of LSPR biosensors. Therefore, plasmonic nanostructures with high sensitivity and excellent reproducibility are desirable for preparing reliable LSPR sensors. Herein, we have fabricated plasmonic nanopyramid arrays (NPAs) for several batches with reproducible morphology and optical properties by elastic soft lithography and metal thermal evaporation. NPAs of various metals (i.e., Al, Au, and Ag) were also prepared by thermal evaporation with the according metals. The transmission spectra of these NPAs showed several narrow LSPR peaks in the visible-infrared wavelength region. The refractometric sensitivities of the LSPR peaks were systematically studied, and high refractometric sensitivities of 774.0, 472.8, and 421.0 nm/RIU were achieved on Al, Au, and Ag NPAs, respectively. To demonstrate the potential of the NPAs for multiplex applications, we first applied this highly sensitive Al NPA biosensor to monitoring the process of proliferation of HeLa cancer cells, in situ and in real time. Then, we demonstrated that the Au NPA was able to identify the absorbed analytes on its surface through the surface-enhanced Raman scattering spectrum. In addition, the finite difference time domain simulations were performed to reveal the electromagnetic field enhancement on NPAs. Because of the properties of high sensitivity and excellent reproducibility of the metal NPA LSPR substrates, as well as the simplicity and cost efficiency of the fabrication method, our proposed work will accelerate the practical use of LSPR sensors.
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Affiliation(s)
- Li Zhang
- Key Laboratory of
Sensing Technology and Biomedical Instruments of
Guangdong Province, School of Engineering and State Key Lab of Optoelectronic
Materials and Technologies, Guangdong Province Key Laboratory of Display
Material and Technology, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510275, China
| | - Xuemeng Li
- Key Laboratory of
Sensing Technology and Biomedical Instruments of
Guangdong Province, School of Engineering and State Key Lab of Optoelectronic
Materials and Technologies, Guangdong Province Key Laboratory of Display
Material and Technology, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510275, China
| | - Yangyang Wang
- Key Laboratory of
Sensing Technology and Biomedical Instruments of
Guangdong Province, School of Engineering and State Key Lab of Optoelectronic
Materials and Technologies, Guangdong Province Key Laboratory of Display
Material and Technology, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510275, China
| | - Kang Sun
- Key Laboratory of
Sensing Technology and Biomedical Instruments of
Guangdong Province, School of Engineering and State Key Lab of Optoelectronic
Materials and Technologies, Guangdong Province Key Laboratory of Display
Material and Technology, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510275, China
| | - Xuexian Chen
- Key Laboratory of
Sensing Technology and Biomedical Instruments of
Guangdong Province, School of Engineering and State Key Lab of Optoelectronic
Materials and Technologies, Guangdong Province Key Laboratory of Display
Material and Technology, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510275, China
| | - Huanjun Chen
- Key Laboratory of
Sensing Technology and Biomedical Instruments of
Guangdong Province, School of Engineering and State Key Lab of Optoelectronic
Materials and Technologies, Guangdong Province Key Laboratory of Display
Material and Technology, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510275, China
| | - Jianhua Zhou
- Key Laboratory of
Sensing Technology and Biomedical Instruments of
Guangdong Province, School of Engineering and State Key Lab of Optoelectronic
Materials and Technologies, Guangdong Province Key Laboratory of Display
Material and Technology, School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510275, China
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38
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Vala M, Jordan LR, Warrington AE, Maher LJ, Rodriguez M, Wittenberg NJ, Oh SH. Surface Plasmon Resonance Sensing on Naturally Derived Membranes: A Remyelination-Promoting Human Antibody Binds Myelin with Extraordinary Affinity. Anal Chem 2018; 90:12567-12573. [DOI: 10.1021/acs.analchem.8b02664] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Affiliation(s)
- Milan Vala
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Luke R. Jordan
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
- Department of Chemistry, Lehigh University, Bethlehem, Pennsylvania 18015, United States
| | - Arthur E. Warrington
- Departments of Neurology and Immunology, Mayo Clinic, Rochester, Minnesota 55905, United States
| | - L. James Maher
- Department of Biochemistry and Molecular Biology, Mayo Clinic, Rochester, Minnesota 55905, United States
| | - Moses Rodriguez
- Departments of Neurology and Immunology, Mayo Clinic, Rochester, Minnesota 55905, United States
| | - Nathan J. Wittenberg
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
- Department of Chemistry, Lehigh University, Bethlehem, Pennsylvania 18015, United States
| | - Sang-Hyun Oh
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
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Ertsgaard CT, Wittenberg NJ, Klemme DJ, Barik A, Shih WC, Oh SH. Integrated Nanogap Platform for Sub-Volt Dielectrophoretic Trapping and Real-Time Raman Imaging of Biological Nanoparticles. NANO LETTERS 2018; 18:5946-5953. [PMID: 30071732 DOI: 10.1021/acs.nanolett.8b02654] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
A rapid, label-free, and broadly applicable chemical analysis platform for nanovesicles and subcellular components is highly desirable for diagnostic assays. We demonstrate an integrated nanogap plasmonic sensing platform that combines subvolt dielectrophoresis (DEP) trapping, gold nanoparticles (AuNPs), and a lineated illumination scheme for real-time, surface-enhanced Raman spectroscopy (SERS) imaging of biological nanoparticles. Our system is capable of isolating suspended sub-100 nm vesicles and imaging the Raman spectra of their cargo within seconds, 100 times faster than conventional point-scan Raman systems. Bare AuNPs are spiked into solution and simultaneously trapped with the nanovesicles along the gap to boost local optical fields. In addition, our platform offers simultaneous and delay-free spatial and temporal multiplexing functionality. These nanogap devices can be mass-produced via atomic layer lithography and provide a practical platform for high-speed SERS analysis of biological nanoparticles.
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Affiliation(s)
| | - Nathan J Wittenberg
- Department of Chemistry , Lehigh University , Bethlehem , Pennsylvania 18015 , United States
| | | | | | - Wei-Chuan Shih
- Department of Electrical and Computer Engineering , University of Houston , Houston , Texas 77204 , United States
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40
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Lee KL, Chang CC, You ML, Pan MY, Wei PK. Enhancing Surface Sensing Sensitivity of Metallic Nanostructures using Blue-Shifted Surface Plasmon Mode and Fano Resonance. Sci Rep 2018; 8:9762. [PMID: 29950690 PMCID: PMC6021451 DOI: 10.1038/s41598-018-28122-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Accepted: 06/12/2018] [Indexed: 11/15/2022] Open
Abstract
Improving surface sensitivities of nanostructure-based plasmonic sensors is an important issue to be addressed. Among the SPR measurements, the wavelength interrogation is commonly utilized. We proposed using blue-shifted surface plasmon mode and Fano resonance, caused by the coupling of a cavity mode (angle-independent) and the surface plasmon mode (angle-dependent) in a long-periodicity silver nanoslit array, to increase surface (wavelength) sensitivities of metallic nanostructures. It results in an improvement by at least a factor of 4 in the spectral shift as compared to sensors operated under normal incidence. The improved surface sensitivity was attributed to a high refractive index sensitivity and the decrease of plasmonic evanescent field caused by two effects, the Fano coupling and the blue-shifted resonance. These concepts can enhance the sensing capability and be applicable to various metallic nanostructures with periodicities.
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Affiliation(s)
- Kuang-Li Lee
- Research Center for Applied Sciences, Academia Sinica, 128, section 2, Academia Road, Nangkang, Taipei, 11529, Taiwan.
| | - Chia-Chun Chang
- Department of Optoelectronics, National Taiwan Ocean University, Keelung, 20224, Taiwan
| | - Meng-Lin You
- Research Center for Applied Sciences, Academia Sinica, 128, section 2, Academia Road, Nangkang, Taipei, 11529, Taiwan
| | - Ming-Yang Pan
- Research Center for Applied Sciences, Academia Sinica, 128, section 2, Academia Road, Nangkang, Taipei, 11529, Taiwan
- Institute of Photonics Technologies, National Tsing Hua University, Hsinchu, 30013, Taiwan
| | - Pei-Kuen Wei
- Research Center for Applied Sciences, Academia Sinica, 128, section 2, Academia Road, Nangkang, Taipei, 11529, Taiwan.
- Department of Optoelectronics, National Taiwan Ocean University, Keelung, 20224, Taiwan.
- Institute of Biophotonics, National Yang-Ming University, Taipei, 11221, Taiwan.
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41
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Liu W, Hu X, Zou Q, Wu S, Jin C. Low-loss integrated electrical surface plasmon source with ultra-smooth metal film fabricated by polymethyl methacrylate 'bond and peel' method. NANOTECHNOLOGY 2018; 29:24LT01. [PMID: 29616977 DOI: 10.1088/1361-6528/aabb7a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
External light sources are mostly employed to functionalize the plasmonic components, resulting in a bulky footprint. Electrically driven integrated plasmonic devices, combining ultra-compact critical feature sizes with extremely high transmission speeds and low power consumption, can link plasmonics with the present-day electronic world. In an effort to achieve this prospect, suppressing the losses in the plasmonic devices becomes a pressing issue. In this work, we developed a novel polymethyl methacrylate 'bond and peel' method to fabricate metal films with sub-nanometer smooth surfaces on semiconductor wafers. Based on this method, we further fabricated a compact plasmonic source containing a metal-insulator-metal (MIM) waveguide with an ultra-smooth metal surface on a GaAs-based light-emitting diode wafer. An increase in propagation length of the SPP mode by a factor of 2.95 was achieved as compared with the conventional device containing a relatively rough metal surface. Numerical calculations further confirmed that the propagation length is comparable to the theoretical prediction on the MIM waveguide with perfectly smooth metal surfaces. This method facilitates low-loss and high-integration of electrically driven plasmonic devices, thus provides an immediate opportunity for the practical application of on-chip integrated plasmonic circuits.
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Affiliation(s)
- Wenjie Liu
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510275, People's Republic of China
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42
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Ferhan AR, Jackman JA, Malekian B, Xiong K, Emilsson G, Park S, Dahlin AB, Cho NJ. Nanoplasmonic Sensing Architectures for Decoding Membrane Curvature-Dependent Biomacromolecular Interactions. Anal Chem 2018; 90:7458-7466. [DOI: 10.1021/acs.analchem.8b00974] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Abdul Rahim Ferhan
- School of Materials Science and Engineering and Centre for Biomimetic Sensor Science, Nanyang Technological University, 50 Nanyang Drive, Singapore 637553, Singapore
| | - Joshua A. Jackman
- School of Materials Science and Engineering and Centre for Biomimetic Sensor Science, Nanyang Technological University, 50 Nanyang Drive, Singapore 637553, Singapore
| | - Bita Malekian
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, 41296 Göteborg, Sweden
| | - Kunli Xiong
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, 41296 Göteborg, Sweden
| | - Gustav Emilsson
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, 41296 Göteborg, Sweden
| | - Soohyun Park
- School of Materials Science and Engineering and Centre for Biomimetic Sensor Science, Nanyang Technological University, 50 Nanyang Drive, Singapore 637553, Singapore
| | - Andreas B. Dahlin
- Department of Chemistry and Chemical Engineering, Chalmers University of Technology, 41296 Göteborg, Sweden
| | - Nam-Joon Cho
- School of Materials Science and Engineering and Centre for Biomimetic Sensor Science, Nanyang Technological University, 50 Nanyang Drive, Singapore 637553, Singapore
- School of Chemical and Biomedical Engineering, Nanyang Technological University, 62 Nanyang Drive, Singapore 637459, Singapore
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43
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Lee TH, Hirst DJ, Kulkarni K, Del Borgo MP, Aguilar MI. Exploring Molecular-Biomembrane Interactions with Surface Plasmon Resonance and Dual Polarization Interferometry Technology: Expanding the Spotlight onto Biomembrane Structure. Chem Rev 2018; 118:5392-5487. [PMID: 29793341 DOI: 10.1021/acs.chemrev.7b00729] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The molecular analysis of biomolecular-membrane interactions is central to understanding most cellular systems but has emerged as a complex technical challenge given the complexities of membrane structure and composition across all living cells. We present a review of the application of surface plasmon resonance and dual polarization interferometry-based biosensors to the study of biomembrane-based systems using both planar mono- or bilayers or liposomes. We first describe the optical principals and instrumentation of surface plasmon resonance, including both linear and extraordinary transmission modes and dual polarization interferometry. We then describe the wide range of model membrane systems that have been developed for deposition on the chips surfaces that include planar, polymer cushioned, tethered bilayers, and liposomes. This is followed by a description of the different chemical immobilization or physisorption techniques. The application of this broad range of engineered membrane surfaces to biomolecular-membrane interactions is then overviewed and how the information obtained using these techniques enhance our molecular understanding of membrane-mediated peptide and protein function. We first discuss experiments where SPR alone has been used to characterize membrane binding and describe how these studies yielded novel insight into the molecular events associated with membrane interactions and how they provided a significant impetus to more recent studies that focus on coincident membrane structure changes during binding of peptides and proteins. We then discuss the emerging limitations of not monitoring the effects on membrane structure and how SPR data can be combined with DPI to provide significant new information on how a membrane responds to the binding of peptides and proteins.
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Affiliation(s)
- Tzong-Hsien Lee
- Department of Biochemistry and Molecular Biology and Biomedicine Discovery Institute , Monash University , Clayton , VIC 3800 , Australia
| | - Daniel J Hirst
- Department of Biochemistry and Molecular Biology and Biomedicine Discovery Institute , Monash University , Clayton , VIC 3800 , Australia
| | - Ketav Kulkarni
- Department of Biochemistry and Molecular Biology and Biomedicine Discovery Institute , Monash University , Clayton , VIC 3800 , Australia
| | - Mark P Del Borgo
- Department of Biochemistry and Molecular Biology and Biomedicine Discovery Institute , Monash University , Clayton , VIC 3800 , Australia
| | - Marie-Isabel Aguilar
- Department of Biochemistry and Molecular Biology and Biomedicine Discovery Institute , Monash University , Clayton , VIC 3800 , Australia
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Lu M, Hong L, Liang Y, Charron B, Zhu H, Peng W, Masson JF. Enhancement of Gold Nanoparticle Coupling with a 2D Plasmonic Crystal at High Incidence Angles. Anal Chem 2018; 90:6683-6692. [PMID: 29738232 DOI: 10.1021/acs.analchem.8b00496] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
2D nanoplasmonic substrates excited in transmission spectroscopy are ideal for several biosensing, metamaterial, and optical applications. We show that their excellent properties can be further improved with plasmonic coupling of Au nanoparticles (AuNPs) on gold-coated nanodisk arrays excited at large incidence angles of up to 50°. The Bragg modes (BM) thereby strongly couple to AuNP immobilized on the plasmonic substrate due to shorter decay length of the plasmon at higher incidence angles, leading to a further enhanced field between the AuNP and the plasmonic substrate. The field was highest and two hotspots were created at orthogonal positions for AuNP located close to the corner of the Au film and Au nanodisk, which was also observed for AuNP dimers. Hybridization between single-stranded DNA (ssDNA) immobilized on the surface of the AuNPs and the capture ssDNA on the gold-coated nanodisk arrays led to at least a 5-fold signal improvement and a 7-fold lower limit of detection at 7 pM for ssDNA-functionalized AuNPs at large incident angles. Thus, we demonstrate that higher field strength can be accessed and the significant advantages of working with high incidence angles with AuNP on a 2D plasmonic crystal in plasmonic sensing.
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Affiliation(s)
- Mengdi Lu
- College of Physics and Optoelectronics Engineering , Dalian University of Technology , Dalian 116024 , China.,Département de chimie and Centre Québécois sur les Matériaux Fonctionnels (CQMF) , Université de Montréal , CP. 6128 Succ. Centre-Ville , Montreal , QC H3C 3J7 , Canada
| | - Long Hong
- School of Life Sciences , Peking University , Beijing 100871 , China
| | - Yuzhang Liang
- National Laboratory of Solid State Microstructures , Nanjing University , Nanjing 210093 , China
| | - Benjamin Charron
- Département de chimie and Centre Québécois sur les Matériaux Fonctionnels (CQMF) , Université de Montréal , CP. 6128 Succ. Centre-Ville , Montreal , QC H3C 3J7 , Canada
| | - Hu Zhu
- Département de chimie and Centre Québécois sur les Matériaux Fonctionnels (CQMF) , Université de Montréal , CP. 6128 Succ. Centre-Ville , Montreal , QC H3C 3J7 , Canada
| | - Wei Peng
- College of Physics and Optoelectronics Engineering , Dalian University of Technology , Dalian 116024 , China
| | - Jean-Francois Masson
- Département de chimie and Centre Québécois sur les Matériaux Fonctionnels (CQMF) , Université de Montréal , CP. 6128 Succ. Centre-Ville , Montreal , QC H3C 3J7 , Canada
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45
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Ultra-narrow surface lattice resonances in plasmonic metamaterial arrays for biosensing applications. Biosens Bioelectron 2018; 104:102-112. [DOI: 10.1016/j.bios.2017.12.001] [Citation(s) in RCA: 67] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2017] [Revised: 11/27/2017] [Accepted: 12/01/2017] [Indexed: 12/21/2022]
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46
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Tiefenauer RF, Tybrandt K, Aramesh M, Vörös J. Fast and Versatile Multiscale Patterning by Combining Template-Stripping with Nanotransfer Printing. ACS NANO 2018; 12:2514-2520. [PMID: 29480710 DOI: 10.1021/acsnano.7b08290] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Metal nanostructures are widely used in plasmonic and electronic applications due to their inherent properties. Often, the fabrication of such nanostructures is limited to small areas, as the processing is costly, low-throughput, and comprises harsh fabrication conditions. Here, we introduce a template-stripping based nanotransfer printing method to overcome these limitations. This versatile technique enables the transfer of arbitrary thin film metal structures onto a variety of substrates, including glass, Kapton, silicon, and PDMS. Structures can range from tens of nanometers to hundreds of micrometers over a wafer scale area. The process is organic solvent-free, multilayer compatible, and only takes minutes to perform. The stability of the transferred gold structures on glass exceeds by far those fabricated by e-beam evaporation. Therefore, an adhesion layer is no longer needed, enabling a faster and cheaper fabrication as well as the production of superior nanostructures. Structures can be transferred onto curved substrates, and the technique is compatible with roll-to-roll fabrication; thus, the process is suitable for flexible and stretchable electronics.
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Affiliation(s)
- Raphael F Tiefenauer
- Laboratory of Biosensors and Bioelectronics , ETH Zürich , 8092 Zürich , Switzerland
| | - Klas Tybrandt
- Laboratory of Biosensors and Bioelectronics , ETH Zürich , 8092 Zürich , Switzerland
- Laboratory of Organic Electronics, Department of Science and Technology , Linköping University , 601 74 Norrköping , Sweden
| | - Morteza Aramesh
- Laboratory of Biosensors and Bioelectronics , ETH Zürich , 8092 Zürich , Switzerland
| | - János Vörös
- Laboratory of Biosensors and Bioelectronics , ETH Zürich , 8092 Zürich , Switzerland
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47
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Jackman JA, Rahim Ferhan A, Cho NJ. Nanoplasmonic sensors for biointerfacial science. Chem Soc Rev 2018; 46:3615-3660. [PMID: 28383083 DOI: 10.1039/c6cs00494f] [Citation(s) in RCA: 130] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
In recent years, nanoplasmonic sensors have become widely used for the label-free detection of biomolecules across medical, biotechnology, and environmental science applications. To date, many nanoplasmonic sensing strategies have been developed with outstanding measurement capabilities, enabling detection down to the single-molecule level. One of the most promising directions has been surface-based nanoplasmonic sensors, and the potential of such technologies is still emerging. Going beyond detection, surface-based nanoplasmonic sensors open the door to enhanced, quantitative measurement capabilities across the biointerfacial sciences by taking advantage of high surface sensitivity that pairs well with the size of medically important biomacromolecules and biological particulates such as viruses and exosomes. The goal of this review is to introduce the latest advances in nanoplasmonic sensors for the biointerfacial sciences, including ongoing development of nanoparticle and nanohole arrays for exploring different classes of biomacromolecules interacting at solid-liquid interfaces. The measurement principles for nanoplasmonic sensors based on utilizing the localized surface plasmon resonance (LSPR) and extraordinary optical transmission (EOT) phenomena are first introduced. The following sections are then categorized around different themes within the biointerfacial sciences, specifically protein binding and conformational changes, lipid membrane fabrication, membrane-protein interactions, exosome and virus detection and analysis, and probing nucleic acid conformations and binding interactions. Across these themes, we discuss the growing trend to utilize nanoplasmonic sensors for advanced measurement capabilities, including positional sensing, biomacromolecular conformation analysis, and real-time kinetic monitoring of complex biological interactions. Altogether, these advances highlight the rich potential of nanoplasmonic sensors and the future growth prospects of the community as a whole. With ongoing development of commercial nanoplasmonic sensors and analytical models to interpret corresponding measurement data in the context of biologically relevant interactions, there is significant opportunity to utilize nanoplasmonic sensing strategies for not only fundamental biointerfacial science, but also translational science applications related to clinical medicine and pharmaceutical drug development among countless possibilities.
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Affiliation(s)
- Joshua A Jackman
- School of Materials Science and Engineering, Nanyang Technological University, Singapore, 639798, Singapore.
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Skehan C, Ai B, Larson SR, Stone KM, Dennis WM, Zhao Y. Plasmonic and SERS performances of compound nanohole arrays fabricated by shadow sphere lithography. NANOTECHNOLOGY 2018; 29:095301. [PMID: 29320374 DOI: 10.1088/1361-6528/aaa6bb] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Several plasmonic compound nanohole arrays (CNAs), such as triangular nanoholes and fan-like nanoholes with multiple nanotips and nanogaps, are designed by a simple and efficient shadow sphere lithography technique by tuning the sphere mask size, the deposition and azimuthal angles, substrate temperature T S , and the number of deposition steps N. Compared with conventional circular nanohole arrays, the CNAs show more hot spots and exhibit new transmission speaks. Systematic finite-difference time-domain calculations indicate that different resonance modes excited by the various shaped and sized nanoholes are responsible for the enhanced plasmonic performances of CNAs. Compared to the CNA samples with only one circular hole in the unit cell, the Raman scattering intensity of the CNA with multiple triangular nanoholes, nanogaps, and nanotips can be enhanced up to 5-fold. These CNAs, due to the strong resonance due to the multiple structural features, are promising applications as optical filters, plasmonic sensors, and surface-enhanced spectroscopies.
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Gomez-Cruz J, Nair S, Manjarrez-Hernandez A, Gavilanes-Parra S, Ascanio G, Escobedo C. Cost-effective flow-through nanohole array-based biosensing platform for the label-free detection of uropathogenic E. coli in real time. Biosens Bioelectron 2018; 106:105-110. [PMID: 29414075 DOI: 10.1016/j.bios.2018.01.055] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 01/18/2018] [Accepted: 01/24/2018] [Indexed: 11/16/2022]
Abstract
Rapid, inexpensive and sensitive detection of uropathogenic Escherichia coli (UPEC), a common cause of ascending urinary tract infections (UTIs) including cystitis and pyelonephritis, is critical given the increasing number of cases and its recurrence worldwide. In this paper, we present a label-free nanoplasmonic sensing platform, built with off-the-shelf optical and electronic components, which can detect intact UPEC at concentrations lower than the physiological limit for UTI diagnosis, in real time. The sensing platform consists of a red LED light source, lens assembly, CMOS detector, Raspberry Pi interface in conjugation with a metallic flow-through nanohole array-based sensor. Detection is achieved exploiting nanoplasmonic phenomena from the nanohole arrays through surface plasmon resonance imaging (SPRi) technique. The platform has a bulk sensitivity of 212 pixel intensity unit (PIU)/refractive index unit (RIU), and a resolution in the order of 10-6 RIU. We demonstrate capture and detection of UPEC with a detection limit of ~100 CFU/ml - a concentration well below the threshold limit for UTI diagnosis in clinical samples. We also demonstrate detection of UPEC in spiked human urine samples for two different concentrations of bacteria. This work is particularly relevant for point-of-care applications, especially for regions around the world where accessibility to medical facilities is heavily dependent upon economy, and availability.
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Affiliation(s)
- Juan Gomez-Cruz
- Department of Chemical Engineering, Queen's University, Kingston, ON, Canada K7L 3N6; Centro de Ciencias Aplicadas y Desarrollo Tecnológico (CCADET), Universidad Nacional Autónoma de México (UNAM), Ciudad de México 04510, México
| | - Srijit Nair
- Department of Chemical Engineering, Queen's University, Kingston, ON, Canada K7L 3N6
| | - Angel Manjarrez-Hernandez
- Departamento de Salud Pública, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Ciudad de México 04510, México; Unidad Periférica de Patogénesis Bacteriana en Hospital General Dr. Manuel Gea González, Ciudad de México 14080, México
| | - Sandra Gavilanes-Parra
- Departamento de Salud Pública, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Ciudad de México 04510, México; Unidad Periférica de Patogénesis Bacteriana en Hospital General Dr. Manuel Gea González, Ciudad de México 14080, México
| | - Gabriel Ascanio
- Centro de Ciencias Aplicadas y Desarrollo Tecnológico (CCADET), Universidad Nacional Autónoma de México (UNAM), Ciudad de México 04510, México
| | - Carlos Escobedo
- Department of Chemical Engineering, Queen's University, Kingston, ON, Canada K7L 3N6.
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50
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Yim S, Jeon S, Kim JM, Baek KM, Lee GH, Kim H, Shin J, Jung YS. Transferrable Plasmonic Au Thin Film Containing Sub-20 nm Nanohole Array Constructed via High-Resolution Polymer Self-Assembly and Nanotransfer Printing. ACS APPLIED MATERIALS & INTERFACES 2018; 10:2216-2223. [PMID: 29304281 DOI: 10.1021/acsami.7b16401] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The fabrication and characterization of nanoscale hole arrays (NHA) have been extensively performed for a variety of unique characteristics including extraordinary optical transmission phenomenon observed for plasmonic NHAs. Although the size miniaturization and hole densification are strongly required for enhancement of high-frequency optical responses, from a practical point-of-view, it is still not straightforward to manufacture NHA using conventional lithography techniques. Herein, a facile, cost-effective, and transferrable fabrication route for high-resolution and high-density NHA with sub-50 nm periodicity is demonstrated. Solvent-assisted nanotransfer printing with ultrahigh-resolution combined with block copolymer self-assembly is used to fabricate well-defined Si nanomesh master template with 4-fold symmetry. An Au NHA film on quartz substrate is then obtained by thermal-evaporation on the Si master and subsequent transfer of the sample, resulting in NHA structure having a hole with a diameter of 18 nm and a density over 400 holes/μm2. A resonance peak at the wavelength of 650 nm, which is not present in the transmittance spectrum of a flat Au film, is observed for the Au NHA film. Finite-difference time-domain (FDTD) simulation results propose that the unexpected peak appears because of plasmonic surface guiding mode. The position of the resonance peak shows the sensitivity toward the change of the refractive index of surrounding medium, suggesting it as a promising label-free sensor application. In addition, other types of Au nanostructure arrays such as geometry-controlled NHA and nanoparticle arrays (NPAs) shows the outstanding versatility of our approach.
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Affiliation(s)
- Soonmin Yim
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST) , 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea
| | - Suwan Jeon
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST) , 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea
| | - Jong Min Kim
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST) , 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea
| | - Kwang Min Baek
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST) , 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea
| | - Gun Ho Lee
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST) , 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea
| | - Hyowook Kim
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST) , 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea
| | - Jonghwa Shin
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST) , 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea
| | - Yeon Sik Jung
- Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology (KAIST) , 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea
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