1
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Yu J, Gao Y, Zhang W, Wang P, Fang Y, Yang L. Localized surface plasmon resonance (LSPR) excitation on single silver nanoring with nanoscale surface roughness. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 317:124405. [PMID: 38718746 DOI: 10.1016/j.saa.2024.124405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 04/30/2024] [Accepted: 05/01/2024] [Indexed: 05/31/2024]
Abstract
With the expansion of the application of high-sensitivity Surface-enhanced Raman scattering (SERS) technique, micro SERS-active substrates with rich optical properties and high-level functions are desired. In this study, silver nanorings with nanoscale surface roughness were fabricated as a new type of enclosed quasi-2D micro-SERS-active substrate. Highly-crystalline spherical and hemispherical silver nanoprotrusions were densely and uniformly distributed over the entire surface of the nanorings. The SERS signals were significantly enhanced on the roughened silver nanorings which were mainly derived from the maximal localized surface plasmon resonance (LSPR) points at the junctions between adjacent coupled nanoprotrusions on the roughened nanorings. The mapping image shows a uniform and intense LSPR enhancement over the nanorings, owing to the uniform and dense distribution of silver nanoprotrusions and the resulting uniform distribution of maximal LSPR points on the roughened nanorings. The dark-field spectra further indicated that the single roughened silver nanoring had significant LSPR enhancement, a wide LSPR frequency-range response, and adaptability for SERS enhancement. Notably, both the measured and simulated results demonstrate that the maximal LSPR enhancement at the junctions between the nanoprotrusions, which are distributed on the inner surface of the silver nanoring, is higher than that on the outer surface because of the plasmon-focusing effect of the enclosed silver nanoring, which leads to the lateral asymmetrical distribution of LSPR intensity, indicating more LSPR and SERS features. These results indicate that single roughened silver nanorings exhibit excellent performance as a new type of enclosed quasi-2D silver nanoring micro-SERS-active substrate, microzone LSPR catalysis, and micro/nanodevices.
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Affiliation(s)
- Jianhai Yu
- Beijing Key Laboratory for Nano-Photonics and Nano-Structure, Department of Physics, Capital Normal University, Beijing 100048, China
| | - Yanan Gao
- Beijing Key Laboratory for Nano-Photonics and Nano-Structure, Department of Physics, Capital Normal University, Beijing 100048, China
| | - Wenzheng Zhang
- Beijing Key Laboratory for Nano-Photonics and Nano-Structure, Department of Physics, Capital Normal University, Beijing 100048, China
| | - Peijie Wang
- Beijing Key Laboratory for Nano-Photonics and Nano-Structure, Department of Physics, Capital Normal University, Beijing 100048, China
| | - Yan Fang
- Beijing Key Laboratory for Nano-Photonics and Nano-Structure, Department of Physics, Capital Normal University, Beijing 100048, China.
| | - Longkun Yang
- Beijing Key Laboratory for Nano-Photonics and Nano-Structure, Department of Physics, Capital Normal University, Beijing 100048, China.
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2
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Zhang H, Yang L, Zhang M, Wei H, Tong L, Xu H, Li Z. A Statistical Route to Robust SERS Quantitation Beyond the Single-Molecule Level. NANO LETTERS 2024; 24:11116-11123. [PMID: 39116042 DOI: 10.1021/acs.nanolett.4c03507] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/10/2024]
Abstract
Single-molecule surface-enhanced Raman spectroscopy (SM-SERS) holds great potential to revolutionize ultratrace quantitative analysis. However, achieving quantitative SM-SERS is challenging because of strong intensity fluctuation and blinking characteristics. In this study, we reveal the relation P = 1 - e-α between the statistical SERS probability P and the microscopic average molecule number α in SERS spectra, which lays the physical foundation for a statistical route to implement SM-SERS quantitation. Utilizing SERS probability calibration, we achieve quantitative SERS analysis with batch-to-batch robustness, extremely wide detection range of concentration covering 9 orders of magnitude, and ultralow detection limit far below the single-molecule level. These results indicate the physical feasibility of robust SERS quantitation through statistical route and certainly open a new avenue for implementing SERS as a practical analysis tool in various application scenarios.
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Affiliation(s)
- Hao Zhang
- Beijing Key Laboratory for Nano-Photonics and Nano-Structure (NPNS), Department of Physics, Capital Normal University, Beijing 100048, China
| | - Longkun Yang
- Beijing Key Laboratory for Nano-Photonics and Nano-Structure (NPNS), Department of Physics, Capital Normal University, Beijing 100048, China
| | - Meng Zhang
- Beijing Key Laboratory for Nano-Photonics and Nano-Structure (NPNS), Department of Physics, Capital Normal University, Beijing 100048, China
| | - Hong Wei
- Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
| | - Lianming Tong
- Center for Nano-chemistry, Beijing Science and Engineering Center for Nanocarbons, Beijing National Laboratory for Molecular Sciences, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
| | - Hongxing Xu
- School of Physics and Technology and Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, Wuhan University, Wuhan 430072, China
- Wuhan Institute of Quantum Technology, Wuhan 430206, China
- School of Microelectronics, Wuhan University, Wuhan 430072, China
- Henan Academy of Sciences, Zhengzhou 450046, China
| | - Zhipeng Li
- Beijing Key Laboratory for Nano-Photonics and Nano-Structure (NPNS), Department of Physics, Capital Normal University, Beijing 100048, China
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3
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Kneipp J, Kneipp K. Surface Enhanced Nonlinear Raman Processes for Advanced Vibrational Probing. ACS NANO 2024; 18:20851-20860. [PMID: 39088308 PMCID: PMC11328166 DOI: 10.1021/acsnano.4c07508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/03/2024]
Abstract
Surface enhanced Raman scattering (SERS) is not restricted to the well-known one-photon excited spontaneous Raman process that gives information on molecular composition, structure, and interaction through vibrational probing with high sensitivity. The enhancement mainly originates in high local fields, specifically those provided by localized surface plasmon resonances of metal nanostructures. High local fields can particularly support nonlinear Raman scattering, as it depends on the fields to higher powers. By revealing plasmon-molecule interactions, nonlinear Raman processes provide a very sensitive access to the properties of metal nanomaterials and their interfaces with molecules and other materials. This Perspective discusses plasmon-enhanced spontaneous and coherent nonlinear Raman scattering with the aim of identifying advantages that lead to an advanced vibrational characterization of such systems. The discussion will highlight the aspects of vibrational information that can be gained based on specific advantages of different incoherent and coherent Raman scattering and their surface enhancement. While the incoherent process of surface enhanced hyper Raman scattering (SEHRS) gives highly selective and spectral information complementary to SERS, the incoherent process of surface enhanced pumped anti-Stokes Raman scattering (SEPARS) can help to infer effective nonresonant SERS cross sections and allows to see "hot" vibrational transitions. Surface enhanced coherent anti-Stokes Raman scattering (SECARS) and surface enhanced stimulated Raman scattering (SESRS) combine the advantages of high local fields and coherence, which gives rise to high detection sensitivity and offers possibilities to explore molecule-plasmon interactions for a comprehensive characterization of composite and hybrid structures in materials research, catalysis, and nanobiophotonics.
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Affiliation(s)
- Janina Kneipp
- Humboldt-Universität zu Berlin, Department of Chemistry, Brook-Taylor-Str. 2, 12489 Berlin, Germany
| | - Katrin Kneipp
- Humboldt-Universität zu Berlin, Department of Chemistry, Brook-Taylor-Str. 2, 12489 Berlin, Germany
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4
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Dai H, Wang Y, Zhao J, Liu H, Liu Z, Liu D. Enhanced double resonance Raman scattering in multilayer graphene with broadband coherent anti-Stokes Raman spectroscopy. NANOSCALE 2024; 16:1247-1253. [PMID: 38116609 DOI: 10.1039/d3nr02978f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Abstract
Graphene's unique gapless band structure and remarkably large third-order optical susceptibility have drawn significant attention to its nonlinear optical response, particularly in the context of coherent anti-Stokes Raman scattering (CARS). Under the combined influence of phononic and electronic resonances, the CARS response of graphene has been observed to exhibit a distinctive feature of time-resolved dip-to-peak evolution. Here, we report a greatly enhanced double resonance Raman mode beyond the G mode of multi-layer graphene with broadband CARS measurements. The significant difference in the intensity ratio between CARS and SR for this mode may be attributed to the preferential activation of low-frequency phonons in the impulsive stimulated Raman scattering process (ISRS) and a lower dephasing rate. Our results build on a foundation towards a deeper exploration of the coherent Raman response of two-dimensional materials.
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Affiliation(s)
- Haolei Dai
- State Key Laboratory of Tribology in Advanced Equipment, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China.
| | - Yujin Wang
- State Key Laboratory of Tribology in Advanced Equipment, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China.
| | - Jianwei Zhao
- China University of Mining & Technology, Ding No. 11 Xueyuan Road, Haidian District, Beijing, China
| | - Huan Liu
- State Key Laboratory of Tribology in Advanced Equipment, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China.
| | - Zibo Liu
- State Key Laboratory of Tribology in Advanced Equipment, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China.
- Department of Engineering Mechanics, KTH Royal Institute of Technology, Stockholm SE-100 44, Sweden.
| | - Dameng Liu
- State Key Laboratory of Tribology in Advanced Equipment, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, China.
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5
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Liu Y, Qin Z, Jia X, Zhou J, Li H, Wang X, Chen Y, Deng J, Jin Z, Wang G. Directly and ultrasensitivity detecting SARS-CoV-2 spike protein in pharyngeal swab solution by using SERS-based biosensor. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 303:123275. [PMID: 37611522 DOI: 10.1016/j.saa.2023.123275] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Revised: 08/10/2023] [Accepted: 08/16/2023] [Indexed: 08/25/2023]
Abstract
The global pandemic of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has caused a great disaster to the economy and human society. Nowadays, SARS-CoV-2 is fading away from people's memory but it still exists around us. PCR plays an important role in detecting SARS-CoV-2 but it requires a long detecting time, equipped laboratory, and professional operators. In comparison with polymerase chain reaction (PCR), surface-enhanced Raman scattering (SERS) is a promising method for detecting SARS-CoV-2 due to its fast, easily operated, and high-sensitivity properties. In this study, the monolayer Ag nanoparticles (MAgNPs) covered with single-layer graphene (SLG) are applied as a SERS substrate. The angiotensin converting enzyme 2 (ACE2) is selected as a bio-probes that can specifically bind to the SARS-CoV-2 S protein. The SERS-based biosensor is formed by ACE2 functionalized SLG/MAgNPs and the LODs of detecting SARS-CoV-2 S protein in phosphate-buffered saline (PBS) and in pharyngeal swabs solution (PSS) are 0.1 fg mL-1 and 10 fg mL-1, respectively. This biosensor provides a way of directly detecting SARS-CoV-2 S protein with high sensitivity and specificity. It illustrates a practical potential in the rapid detection of the SARS-CoV-2 virus.
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Affiliation(s)
- Yansheng Liu
- School of Electronic Engineering, Guangxi University of Science and Technology, No.2, Wenchang Road, Liuzhou City 545006, Guangxi, China.
| | - Zhenle Qin
- School of Electronic Engineering, Guangxi University of Science and Technology, No.2, Wenchang Road, Liuzhou City 545006, Guangxi, China
| | - Xiaobo Jia
- School of Electronic Engineering, Guangxi University of Science and Technology, No.2, Wenchang Road, Liuzhou City 545006, Guangxi, China
| | - Jin Zhou
- School of Electronic Engineering, Guangxi University of Science and Technology, No.2, Wenchang Road, Liuzhou City 545006, Guangxi, China
| | - Hongli Li
- School of Electronic Engineering, Guangxi University of Science and Technology, No.2, Wenchang Road, Liuzhou City 545006, Guangxi, China
| | - Xiaohong Wang
- School of Electronic Engineering, Guangxi University of Science and Technology, No.2, Wenchang Road, Liuzhou City 545006, Guangxi, China
| | - Yating Chen
- School of Electronic Engineering, Guangxi University of Science and Technology, No.2, Wenchang Road, Liuzhou City 545006, Guangxi, China
| | - Junpeng Deng
- School of Electronic Engineering, Guangxi University of Science and Technology, No.2, Wenchang Road, Liuzhou City 545006, Guangxi, China
| | - Zhicheng Jin
- Laboratory for Biomaterials and Drug Delivery, Department of Anesthesiology, Boston Children's Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Guofu Wang
- School of Electronic Engineering, Guangxi University of Science and Technology, No.2, Wenchang Road, Liuzhou City 545006, Guangxi, China
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6
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Ko JH, Park J, Yoo YJ, Chang S, Kang J, Wu A, Yang F, Kim S, Jeon H, Song YM. Full-Control and Switching of Optical Fano Resonance by Continuum State Engineering. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2304310. [PMID: 37691086 PMCID: PMC10646235 DOI: 10.1002/advs.202304310] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 08/01/2023] [Indexed: 09/12/2023]
Abstract
Fano resonance, known for its unique asymmetric line shape, has gained significant attention in photonics, particularly in sensing applications. However, it remains difficult to achieve controllable Fano parameters with a simple geometric structure. Here, a novel approach of using a thin-film optical Fano resonator with a porous layer to generate entire spectral shapes from quasi-Lorentzian to Lorentzian to Fano is proposed and experimentally demonstrated. The glancing angle deposition technique is utilized to create a polarization-dependent Fano resonator. By altering the linear polarization between s- and p-polarization, a switchable Fano device between quasi-Lorentz state and negative Fano state is demonstrated. This change in spectral shape is advantageous for detecting materials with a low-refractive index. A bio-particle sensing experiment is conducted that demonstrates an enhanced signal-to-noise ratio and prediction accuracy. Finally, the challenge of optimizing the film-based Fano resonator due to intricate interplay among numerous parameters, including layer thicknesses, porosity, and materials selection, is addressed. The inverse design tool is developed based on a multilayer perceptron model that allows fast computation for all ranges of Fano parameters. The method provides improved accuracy of the mean validation factor (MVF = 0.07, q-q') compared to the conventional exhaustive enumeration method (MVF = 0.37).
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Affiliation(s)
- Joo Hwan Ko
- School of Electrical Engineering and Computer ScienceGwangju Institute of Science and TechnologyGwangju61005Republic of Korea
| | - Jin‐Hwi Park
- Artificial Intelligence Graduate SchoolGwangju Institute of Science and TechnologyGwangju61005Republic of Korea
| | - Young Jin Yoo
- School of Electrical Engineering and Computer ScienceGwangju Institute of Science and TechnologyGwangju61005Republic of Korea
- Department of Mechanical EngineeringMassachusetts Institute of TechnologyCambridgeMA02139USA
| | - Sehui Chang
- School of Electrical Engineering and Computer ScienceGwangju Institute of Science and TechnologyGwangju61005Republic of Korea
| | - Jiwon Kang
- School of Electrical Engineering and Computer ScienceGwangju Institute of Science and TechnologyGwangju61005Republic of Korea
| | - Aiguo Wu
- Cixi Institute of Biomedical EngineeringInternational Cooperation Base of Biomedical Materials Technology and ApplicationChinese Academy of Sciences (CAS) KeyLaboratory of Magnetic Materials and DevicesZhejiang Engineering Research Center for Biomedical MaterialsNingbo Institute of Materials Technology and EngineeringChinese Academy of SciencesNingboZhejiang315201China
- Advanced Energy Science and Technology Guangdong LaboratoryHuizhou516000China
| | - Fang Yang
- Cixi Institute of Biomedical EngineeringInternational Cooperation Base of Biomedical Materials Technology and ApplicationChinese Academy of Sciences (CAS) KeyLaboratory of Magnetic Materials and DevicesZhejiang Engineering Research Center for Biomedical MaterialsNingbo Institute of Materials Technology and EngineeringChinese Academy of SciencesNingboZhejiang315201China
- Advanced Energy Science and Technology Guangdong LaboratoryHuizhou516000China
| | - Sejeong Kim
- Department of Electrical and Electronic EngineeringUniversity of MelbourneParkville3010Australia
| | - Hae‐Gon Jeon
- School of Electrical Engineering and Computer ScienceGwangju Institute of Science and TechnologyGwangju61005Republic of Korea
- Artificial Intelligence Graduate SchoolGwangju Institute of Science and TechnologyGwangju61005Republic of Korea
| | - Young Min Song
- School of Electrical Engineering and Computer ScienceGwangju Institute of Science and TechnologyGwangju61005Republic of Korea
- Artificial Intelligence Graduate SchoolGwangju Institute of Science and TechnologyGwangju61005Republic of Korea
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7
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Mao W, Bui HTD, Cho W, Yoo HS. Spectroscopic techniques for monitoring stem cell and organoid proliferation in 3D environments for therapeutic development. Adv Drug Deliv Rev 2023; 201:115074. [PMID: 37619771 DOI: 10.1016/j.addr.2023.115074] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 07/22/2023] [Accepted: 08/20/2023] [Indexed: 08/26/2023]
Abstract
Spectroscopic techniques for monitoring stem cell and organoid proliferation have gained significant attention in therapeutic development. Spectroscopic techniques such as fluorescence, Raman spectroscopy, and infrared spectroscopy offer noninvasive and real-time monitoring of biochemical and biophysical changes that occur during stem cell and organoid proliferation. These techniques provide valuable insight into the underlying mechanisms of action of potential therapeutic agents, allowing for improved drug discovery and screening. This review highlights the importance of spectroscopic monitoring of stem cell and organoid proliferation and its potential impact on therapeutic development. Furthermore, this review discusses recent advances in spectroscopic techniques and their applications in stem cell and organoid research. Overall, this review emphasizes the importance of spectroscopic techniques as valuable tools for studying stem cell and organoid proliferation and their potential to revolutionize therapeutic development in the future.
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Affiliation(s)
- Wei Mao
- Department of Biomedical Materials Engineering, Kangwon National University, Chuncheon 24341, Republic of Korea; Institute for Molecular Science and Fusion Technology, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Hoai-Thuong Duc Bui
- Department of Biomedical Materials Engineering, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Wanho Cho
- Department of Biomedical Materials Engineering, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Hyuk Sang Yoo
- Department of Biomedical Materials Engineering, Kangwon National University, Chuncheon 24341, Republic of Korea; Institute for Molecular Science and Fusion Technology, Kangwon National University, Chuncheon 24341, Republic of Korea; Institue of Biomedical Science, Kangwon National University, Chuncheon 24341, Republic of Korea; Kangwon Radiation Convergence Research Support Center, Kangwon National University, Chuncheon 24341, Republic of Korea.
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8
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Jiang Z, Wang X, Chu K, Smith ZJ. Fast Raman imaging through the combination of context-aware matrix completion and low spectral resolution. Analyst 2023; 148:4710-4720. [PMID: 37622207 DOI: 10.1039/d3an00997a] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/26/2023]
Abstract
Raman hyperspectral imaging is an effective method for label-free imaging with chemical specificity, yet the weak signals and correspondingly long integration times have hindered its wide adoption as a routine analytical method. Recently, low resolution Raman imaging has been proposed to improve the spectral signal-to-noise ratio, which significantly improves the speed of Raman imaging. In this paper, low resolution Raman spectroscopy is combined with "context-aware" matrix completion, where regions of the sample that are not of interest are skipped, and the regions that are measured are under-sampled, then reconstructed with a low-rank constraint. Both simulations and experiment show that low-resolution Raman boosts the speed and image quality of the computationally-reconstructed Raman images, allowing deeper sub-sampling, reduced exposure time, and an overall >10-fold improvement in imaging speed, without sacrificing chemical specificity or spatial image quality. As the method utilizes traditional point-scan imaging, it retains full confocality and is "backwards-compatible" with pre-existing traditional Raman instruments, broadening the potential scope of Raman imaging applications.
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Affiliation(s)
- Ziling Jiang
- University of Science and Technology of China, Department of Precision Machinery & Precision Instrumentation, Hefei, Anhui, China 230027.
| | - Xianli Wang
- University of Science and Technology of China, Department of Precision Machinery & Precision Instrumentation, Hefei, Anhui, China 230027.
| | - Kaiqin Chu
- University of Science and Technology of China, Suzhou Institute for Advanced Research, Suzhou, Jiangsu, China 215123
| | - Zachary J Smith
- University of Science and Technology of China, Department of Precision Machinery & Precision Instrumentation, Hefei, Anhui, China 230027.
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Kim SJ, Lee IH, Kim WG, Hwang YH, Oh JW. Fountain Pen-Inspired 3D Colloidal Assembly, Consisting of Metallic Nanoparticles on a Femtoliter Scale. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2403. [PMID: 37686911 PMCID: PMC10490325 DOI: 10.3390/nano13172403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 08/22/2023] [Accepted: 08/22/2023] [Indexed: 09/10/2023]
Abstract
The 3D colloidal assemblies composed of nanoparticles (NPs) are closely associated with optical properties such as photonic crystals, localized surface plasmon resonance, and surface-enhanced Raman scattering. However, research on their fabrication remains insufficient. Here, the femtoliter volume of a 3D colloidal assembly is shown, using the evaporation of a fine fountain pen. A nano-fountain pen (NPF) with a micrometer-level tip inner diameter was adopted for the fine evaporation control of the ink solvent. The picoliters of the evaporation occurring at the NFP tip and femtoliter volume of the 3D colloidal assembly were analyzed using a diffusion equation. The shape of the 3D colloidal assembly was dependent on the evaporation regarding the accumulation time and tip size, and they exhibited random close packing. Using gold-, silver-, and platinum-NPs and mixing ratios of them, diverse 3D colloidal assemblies were formed. The spectra regarding a localized surface plasmon resonance of them were changed according to composition and mixing ratio. We expect that this could be widely applied as a simple fabrication tool in order to explore complex metamaterials constructed of nanoparticles, as this method is highly flexible in varying the shape as well as composition ratio of self-assembled structures.
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Affiliation(s)
- Sung-Jo Kim
- BIT Fusion Technology Center, Pusan National University, Busan 46241, Republic of Korea; (S.-J.K.); (W.-G.K.)
| | - Il-Hyun Lee
- Department of Nano Fusion Technology, Pusan National University, Busan 46241, Republic of Korea;
- Department of Nano Engineering, SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
- Department of Nano Science and Technology, SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
| | - Won-Geun Kim
- BIT Fusion Technology Center, Pusan National University, Busan 46241, Republic of Korea; (S.-J.K.); (W.-G.K.)
- Department of Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Pohang 37673, Republic of Korea
| | - Yoon-Hwae Hwang
- Department of Nano Energy Engineering, Pusan National University, Busan 46241, Republic of Korea
| | - Jin-Woo Oh
- BIT Fusion Technology Center, Pusan National University, Busan 46241, Republic of Korea; (S.-J.K.); (W.-G.K.)
- Department of Nano Energy Engineering, Pusan National University, Busan 46241, Republic of Korea
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10
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He C, Zhang Y, Wen T, Pei S, Wang Z, Xia J, Xi G, Li W, Wang J, Gu G, Zhong G, Wei L, Yang C, Chen M. Heteropolyacids: An Ultrasensitive Ionic Volume-Enhanced Raman Scattering Platform. Anal Chem 2023. [PMID: 37405966 DOI: 10.1021/acs.analchem.3c01793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/07/2023]
Abstract
Surface-enhanced Raman scattering (SERS) is regarded as the most direct and powerful tool to identify chemical fingerprints. However, current SERS substrate materials still face some critical challenges, including low molecular utilization efficiency and low selectivity. Herein, a novel oxygen vacancy heteropolyacid─H10Fe3Mo21O51 (HFMO)─is developed as a high-performance volume-enhanced Raman scattering (VERS)-active platform. Due to its merit of water solubility, HFMO forms a special coordination bond with the probe molecule at the molecular level, which allows its enhancing ability to be comparable to that of noble metals. An enhancement factor of 1.26 × 109 and a very low detection limit of 10-13 M for rhodamine 6G were obtained. A robust O-N coordination bond was formed between the anion of HFMO and the probe molecule, resulting in a special electron transfer path (Mo-O-N) with high selectivity, which is verified using X-ray photoelectron spectroscopy analysis and density functional theory calculations. That is to say, the proposed HFMO platform has excellent VERS enhancing effect, specifically for the molecules containing the imino group (e.g., methyl blue, detection limit: 10-11 M), offering the merits of high reproducibility and uniformity, high-temperature resistance, long-time laser irradiation, and strong acid resistance. Such an initial effort on the ionic type VERS platform may enable the further development of highly sensitive, highly selective, and water-soluble VERS technology.
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Affiliation(s)
- Chenying He
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Yuanao Zhang
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, People's Republic of China
- Department of Nano Science and Technology Institute, University of Science and Technology of China, Suzhou 215123, People's Republic of China
| | - Ting Wen
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 611713, People's Republic of China
| | - Shenghai Pei
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 611713, People's Republic of China
| | - Zhixun Wang
- School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Juan Xia
- Institute of Fundamental and Frontier Sciences, University of Electronic Science and Technology of China, Chengdu 611713, People's Republic of China
| | - Guangcheng Xi
- Institute of Industrial and Consumer Product Safety, Chinese Academy of Inspection and Quarantine, No. 11, Ronghua South Road, Beijing 100176, P. R. China
| | - Wenjie Li
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Jiahong Wang
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, People's Republic of China
| | - Guoqiang Gu
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, People's Republic of China
| | - Guohua Zhong
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Lei Wei
- School of Electrical and Electronic Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Chunlei Yang
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Ming Chen
- Shenzhen Institute of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
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11
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Luo Y, Martin-Jimenez A, Pisarra M, Martin F, Garg M, Kern K. Imaging and controlling coherent phonon wave packets in single graphene nanoribbons. Nat Commun 2023; 14:3484. [PMID: 37311753 DOI: 10.1038/s41467-023-39239-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Accepted: 06/06/2023] [Indexed: 06/15/2023] Open
Abstract
The motion of atoms is at the heart of any chemical or structural transformation in molecules and materials. Upon activation of this motion by an external source, several (usually many) vibrational modes can be coherently coupled, thus facilitating the chemical or structural phase transformation. These coherent dynamics occur on the ultrafast timescale, as revealed, e.g., by nonlocal ultrafast vibrational spectroscopic measurements in bulk molecular ensembles and solids. Tracking and controlling vibrational coherences locally at the atomic and molecular scales is, however, much more challenging and in fact has remained elusive so far. Here, we demonstrate that the vibrational coherences induced by broadband laser pulses on a single graphene nanoribbon (GNR) can be probed by femtosecond coherent anti-Stokes Raman spectroscopy (CARS) when performed in a scanning tunnelling microscope (STM). In addition to determining dephasing (~440 fs) and population decay times (~1.8 ps) of the generated phonon wave packets, we are able to track and control the corresponding quantum coherences, which we show to evolve on time scales as short as ~70 fs. We demonstrate that a two-dimensional frequency correlation spectrum unequivocally reveals the quantum couplings between different phonon modes in the GNR.
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Affiliation(s)
- Yang Luo
- Max Planck Institute for Solid State Research, Heisenbergstr. 1, 70569, Stuttgart, Germany
| | - Alberto Martin-Jimenez
- Max Planck Institute for Solid State Research, Heisenbergstr. 1, 70569, Stuttgart, Germany
| | - Michele Pisarra
- INFN-LNF, Gruppo Collegato di Cosenza, Via P. Bucci, cubo 31C, 87036, Rende (CS), Italy
| | - Fernando Martin
- Instituto Madrileño de Estudios Avanzados en Nanociencia (IMDEA Nano), Faraday 9, Cantoblanco, 28049, Madrid, Spain
- Departamento de Química, Módulo 13, Universidad Autónoma de Madrid, 28049, Madrid, Spain
- Condensed Matter Physics Center (IFIMAC), Universidad Autónoma de Madrid, 28049, Madrid, Spain
| | - Manish Garg
- Max Planck Institute for Solid State Research, Heisenbergstr. 1, 70569, Stuttgart, Germany.
| | - Klaus Kern
- Max Planck Institute for Solid State Research, Heisenbergstr. 1, 70569, Stuttgart, Germany
- Institut de Physique, Ecole Polytechnique Fédérale de Lausanne, 1015, Lausanne, Switzerland
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12
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Herkert EK, Bermeo Alvaro DR, Recchia M, Langbein W, Borri P, Garcia-Parajo MF. Hybrid Plasmonic Nanostructures for Enhanced Single-Molecule Detection Sensitivity. ACS NANO 2023; 17:8453-8464. [PMID: 37011057 PMCID: PMC10173688 DOI: 10.1021/acsnano.3c00576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Biosensing applications based on fluorescence detection often require single-molecule sensitivity in the presence of strong background signals. Plasmonic nanoantennas are particularly suitable for these tasks, as they can confine and enhance light in volumes far below the diffraction limit. The recently introduced antenna-in-box (AiB) platforms achieved high single-molecule detection sensitivity at high fluorophore concentrations by placing gold nanoantennas in a gold aperture. However, hybrid AiB platforms with alternative aperture materials such as aluminum promise superior performance by providing better background screening. Here, we report on the fabrication and optical characterization of hybrid AiBs made of gold and aluminum for enhanced single-molecule detection sensitivity. We computationally optimize the optical properties of AiBs by controlling their geometry and materials and find that hybrid nanostructures not only improve signal-to-background ratios but also provide additional excitation intensity and fluorescence enhancements. We further establish a two-step electron beam lithography process to fabricate hybrid material AiB arrays with high reproducibility and experimentally validate the higher excitation and emission enhancements of the hybrid nanostructures as compared to their gold counterpart. We foresee that biosensors based on hybrid AiBs will provide improved sensitivity beyond the capabilities of current nanophotonic sensors for a plethora of biosensing applications ranging from multicolor fluorescence detection to label-free vibrational spectroscopy.
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Affiliation(s)
- Ediz Kaan Herkert
- ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology, 08860 Castelldefels (Barcelona), Spain
| | - Domenica Romina Bermeo Alvaro
- ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology, 08860 Castelldefels (Barcelona), Spain
| | - Martina Recchia
- School of Biosciences, Cardiff University, Museum Avenue, CF10 3AX Cardiff, United Kingdom
| | - Wolfgang Langbein
- School of Physics and Astronomy, Cardiff University, The Parade, Cardiff CF24 3AA, United Kingdom
| | - Paola Borri
- School of Biosciences, Cardiff University, Museum Avenue, CF10 3AX Cardiff, United Kingdom
| | - Maria F Garcia-Parajo
- ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology, 08860 Castelldefels (Barcelona), Spain
- ICREA, Pg. Lluís Companys 23, 08010 Barcelona, Spain
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13
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Wang Q, Ai Z, Guo Q, Wang X, Dai C, Wang H, Sun J, Tang Y, Jiang D, Pei X, Chen R, Gou J, Yu L, Ding J, Wee ATS, Liu Y, Wei D. Photo-Enhanced Chemo-Transistor Platform for Ultrasensitive Assay of Small Molecules. J Am Chem Soc 2023; 145:10035-10044. [PMID: 37097713 DOI: 10.1021/jacs.2c13655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/26/2023]
Abstract
Compared with traditional assay techniques, field-effect transistors (FETs) have advantages such as fast response, high sensitivity, being label-free, and point-of-care detection, while lacking generality to detect a wide range of small molecules since most of them are electrically neutral with a weak doping effect. Here, we demonstrate a photo-enhanced chemo-transistor platform based on a synergistic photo-chemical gating effect in order to overcome the aforementioned limitation. Under light irradiation, accumulated photoelectrons generated from covalent organic frameworks offer a photo-gating modulation, amplifying the response to small molecule adsorption including methylglyoxal, p-nitroaniline, nitrobenzene, aniline, and glyoxal when measuring the photocurrent. We perform testing in buffer, artificial urine, sweat, saliva, and diabetic mouse serum. The limit of detection is down to 10-19 M methylglyoxal, about 5 orders of magnitude lower than existing assay technologies. This work develops a photo-enhanced FET platform to detect small molecules or other neutral species with enhanced sensitivity for applications in fields such as biochemical research, health monitoring, and disease diagnosis.
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Affiliation(s)
- Qiankun Wang
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
- Department of Macromolecular Science, Fudan University, Shanghai 200433, China
- Laboratory of Molecular Materials and Devices, Fudan University, Shanghai 200433, China
| | - Zhaolin Ai
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
- Department of Macromolecular Science, Fudan University, Shanghai 200433, China
- Laboratory of Molecular Materials and Devices, Fudan University, Shanghai 200433, China
| | - Qianying Guo
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
- Department of Macromolecular Science, Fudan University, Shanghai 200433, China
- Laboratory of Molecular Materials and Devices, Fudan University, Shanghai 200433, China
| | - Xuejun Wang
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
- Department of Macromolecular Science, Fudan University, Shanghai 200433, China
- Laboratory of Molecular Materials and Devices, Fudan University, Shanghai 200433, China
| | - Changhao Dai
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
- Department of Macromolecular Science, Fudan University, Shanghai 200433, China
- Laboratory of Molecular Materials and Devices, Fudan University, Shanghai 200433, China
| | - Hancheng Wang
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
- Department of Macromolecular Science, Fudan University, Shanghai 200433, China
| | - Jiang Sun
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
- Department of Macromolecular Science, Fudan University, Shanghai 200433, China
- Laboratory of Molecular Materials and Devices, Fudan University, Shanghai 200433, China
| | - Yanan Tang
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
- Department of Macromolecular Science, Fudan University, Shanghai 200433, China
- Laboratory of Molecular Materials and Devices, Fudan University, Shanghai 200433, China
| | - Dingding Jiang
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
- Department of Macromolecular Science, Fudan University, Shanghai 200433, China
- Laboratory of Molecular Materials and Devices, Fudan University, Shanghai 200433, China
| | - Xinjie Pei
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
- Department of Macromolecular Science, Fudan University, Shanghai 200433, China
- Laboratory of Molecular Materials and Devices, Fudan University, Shanghai 200433, China
| | - Renzhong Chen
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
- Department of Macromolecular Science, Fudan University, Shanghai 200433, China
- Laboratory of Molecular Materials and Devices, Fudan University, Shanghai 200433, China
| | - Jian Gou
- Department of Physics, National University of Singapore, 2 Science Drive 3, Singapore 117542, Singapore
| | - Lin Yu
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
- Department of Macromolecular Science, Fudan University, Shanghai 200433, China
| | - Jiandong Ding
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
- Department of Macromolecular Science, Fudan University, Shanghai 200433, China
| | - Andrew T S Wee
- Department of Physics, National University of Singapore, 2 Science Drive 3, Singapore 117542, Singapore
| | - Yunqi Liu
- Laboratory of Molecular Materials and Devices, Fudan University, Shanghai 200433, China
- Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Dacheng Wei
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
- Department of Macromolecular Science, Fudan University, Shanghai 200433, China
- Laboratory of Molecular Materials and Devices, Fudan University, Shanghai 200433, China
- Research Institute of Intelligent Complex Systems, Fudan University, Shanghai 200433, China
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14
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Wang H, Lee D, Wei L. Toward the Next Frontiers of Vibrational Bioimaging. CHEMICAL & BIOMEDICAL IMAGING 2023; 1:3-17. [PMID: 37122829 PMCID: PMC10131268 DOI: 10.1021/cbmi.3c00004] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Revised: 03/03/2023] [Accepted: 03/10/2023] [Indexed: 05/02/2023]
Abstract
Chemical imaging based on vibrational contrasts can extract molecular information entangled in complex biological systems. To this end, nonlinear Raman scattering microscopy, mid-infrared photothermal (MIP) microscopy, and atomic force microscopy (AFM)-based force-detected photothermal microscopies are emerging with better chemical sensitivity, molecular specificity, and spatial resolution than conventional vibrational methods. Their utilization in bioimaging applications has provided biological knowledge in unprecedented detail. This Perspective outlines key methodological developments, bioimaging applications, and recent technical innovations of the three techniques. Representative biological demonstrations are also highlighted to exemplify the unique advantages of obtaining vibrational contrasts. With years of effort, these three methods compose an expanding vibrational bioimaging toolbox to tackle specific bioimaging needs, benefiting many biological investigations with rich information in both label-free and labeling manners. Each technique will be discussed and compared in the outlook, leading to possible future directions to accommodate growing needs in vibrational bioimaging.
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Affiliation(s)
- Haomin Wang
- Division
of Chemistry and Chemical Engineering, California
Institute of Technology, Pasadena, California 91125, United States
| | - Dongkwan Lee
- Division
of Chemistry and Chemical Engineering, California
Institute of Technology, Pasadena, California 91125, United States
| | - Lu Wei
- Division
of Chemistry and Chemical Engineering, California
Institute of Technology, Pasadena, California 91125, United States
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15
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Itoh T, Procházka M, Dong ZC, Ji W, Yamamoto YS, Zhang Y, Ozaki Y. Toward a New Era of SERS and TERS at the Nanometer Scale: From Fundamentals to Innovative Applications. Chem Rev 2023; 123:1552-1634. [PMID: 36745738 PMCID: PMC9952515 DOI: 10.1021/acs.chemrev.2c00316] [Citation(s) in RCA: 80] [Impact Index Per Article: 80.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Indexed: 02/08/2023]
Abstract
Surface-enhanced Raman scattering (SERS) and tip-enhanced Raman scattering (TERS) have opened a variety of exciting research fields. However, although a vast number of applications have been proposed since the two techniques were first reported, none has been applied to real practical use. This calls for an update in the recent fundamental and application studies of SERS and TERS. Thus, the goals and scope of this review are to report new directions and perspectives of SERS and TERS, mainly from the viewpoint of combining their mechanism and application studies. Regarding the recent progress in SERS and TERS, this review discusses four main topics: (1) nanometer to subnanometer plasmonic hotspots for SERS; (2) Ångström resolved TERS; (3) chemical mechanisms, i.e., charge-transfer mechanism of SERS and semiconductor-enhanced Raman scattering; and (4) the creation of a strong bridge between the mechanism studies and applications.
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Affiliation(s)
- Tamitake Itoh
- Health
and Medical Research Institute, National
Institute of Advanced Industrial Science and Technology (AIST), 2217-14 Hayashi-cho, Takamatsu, 761-0395Kagawa, Japan
| | - Marek Procházka
- Faculty
of Mathematics and Physics, Institute of Physics, Charles University, Ke Karlovu 5, 121 16Prague 2, Czech Republic
| | - Zhen-Chao Dong
- Hefei
National Research Center for Physical Sciences at the Microscale, University of Science and Technique of China, Hefei230026, China
| | - Wei Ji
- College
of Chemistry, Chemical Engineering, and Resource Utilization, Northeast Forestry University, Harbin145040, China
| | - Yuko S. Yamamoto
- School
of Materials Science, Japan Advanced Institute
of Science and Technology (JAIST), Nomi, 923-1292Ishikawa, Japan
| | - Yao Zhang
- Hefei
National Research Center for Physical Sciences at the Microscale, University of Science and Technique of China, Hefei230026, China
| | - Yukihiro Ozaki
- School of
Biological and Environmental Sciences, Kwansei
Gakuin University, 2-1,
Gakuen, Sanda, 669-1330Hyogo, Japan
- Toyota
Physical and Chemical Research Institute, Nagakute, 480-1192Aichi, Japan
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16
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Barman P, Chakraborty A, Akimov DA, Singh AK, Meyer-Zedler T, Wu X, Ronning C, Schmitt M, Popp J, Huang JS. Nonlinear Optical Signal Generation Mediated by a Plasmonic Azimuthally Chirped Grating. NANO LETTERS 2022; 22:9914-9919. [PMID: 36480926 PMCID: PMC9801425 DOI: 10.1021/acs.nanolett.2c03348] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 10/27/2022] [Indexed: 06/17/2023]
Abstract
Plasmonic gratings are simple and effective platforms for nonlinear signal generation since they provide a well-defined momentum for photon-plasmon coupling and local hot spots for frequency conversion. Here, a plasmonic azimuthally chirped grating (ACG), which provides spatially resolved broadband momentum for photon-plasmon coupling, was exploited to investigate the plasmonic enhancement effect in two nonlinear optical processes, namely two-photon photoluminescence (TPPL) and second harmonic generation (SHG). The spatial distributions of the nonlinear signals were determined experimentally by hyperspectral mapping with ultrashort pulsed excitation. The experimental spatial distributions of nonlinear signals agree very well with the analytical prediction based on photon-plasmon coupling with the momentum of the ACG, revealing the "antenna" function of the grating in plasmonic nonlinear signal generation. This work highlights the importance of the antenna effect of the gratings for nonlinear signal generation and provides insight into the enhancement mechanism of plasmonic gratings in addition to local hot spot engineering.
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Affiliation(s)
- Parijat Barman
- Institute
of Physical Chemistry and Abbe Center of Photonics, Friedrich-Schiller-Universität Jena, Helmholtzweg 4, D-07743 Jena, Germany
- Leibniz
Institute of Photonic Technology, Albert-Einstein Str. 9, 07745 Jena, Germany
| | - Abhik Chakraborty
- Institute
of Physical Chemistry and Abbe Center of Photonics, Friedrich-Schiller-Universität Jena, Helmholtzweg 4, D-07743 Jena, Germany
- Leibniz
Institute of Photonic Technology, Albert-Einstein Str. 9, 07745 Jena, Germany
| | - Denis A. Akimov
- Institute
of Physical Chemistry and Abbe Center of Photonics, Friedrich-Schiller-Universität Jena, Helmholtzweg 4, D-07743 Jena, Germany
- Leibniz
Institute of Photonic Technology, Albert-Einstein Str. 9, 07745 Jena, Germany
| | - Ankit Kumar Singh
- Leibniz
Institute of Photonic Technology, Albert-Einstein Str. 9, 07745 Jena, Germany
| | - Tobias Meyer-Zedler
- Institute
of Physical Chemistry and Abbe Center of Photonics, Friedrich-Schiller-Universität Jena, Helmholtzweg 4, D-07743 Jena, Germany
- Leibniz
Institute of Photonic Technology, Albert-Einstein Str. 9, 07745 Jena, Germany
| | - Xiaofei Wu
- Leibniz
Institute of Photonic Technology, Albert-Einstein Str. 9, 07745 Jena, Germany
| | - Carsten Ronning
- Institut
für Festkörperphysik, Friedrich-Schiller-Universität
Jena, Max-Wien-Platz
1, 07743 Jena, Germany
| | - Michael Schmitt
- Institute
of Physical Chemistry and Abbe Center of Photonics, Friedrich-Schiller-Universität Jena, Helmholtzweg 4, D-07743 Jena, Germany
| | - Jürgen Popp
- Institute
of Physical Chemistry and Abbe Center of Photonics, Friedrich-Schiller-Universität Jena, Helmholtzweg 4, D-07743 Jena, Germany
- Leibniz
Institute of Photonic Technology, Albert-Einstein Str. 9, 07745 Jena, Germany
| | - Jer-Shing Huang
- Institute
of Physical Chemistry and Abbe Center of Photonics, Friedrich-Schiller-Universität Jena, Helmholtzweg 4, D-07743 Jena, Germany
- Leibniz
Institute of Photonic Technology, Albert-Einstein Str. 9, 07745 Jena, Germany
- Research
Center for Applied Sciences, Academia Sinica, 128 Sec. 2, Academia Road, Nankang District, Taipei 11529, Taiwan
- Department
of Electrophysics, National Yang Ming Chiao
Tung University, Hsinchu 30010, Taiwan
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17
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Gul I, Zhai S, Zhong X, Chen Q, Yuan X, Du Z, Chen Z, Raheem MA, Deng L, Leeansyah E, Zhang C, Yu D, Qin P. Angiotensin-Converting Enzyme 2-Based Biosensing Modalities and Devices for Coronavirus Detection. BIOSENSORS 2022; 12:bios12110984. [PMID: 36354493 PMCID: PMC9688389 DOI: 10.3390/bios12110984] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 11/02/2022] [Accepted: 11/03/2022] [Indexed: 05/30/2023]
Abstract
Rapid and cost-effective diagnostic tests for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) are a critical and valuable weapon for the coronavirus disease 2019 (COVID-19) pandemic response. SARS-CoV-2 invasion is primarily mediated by human angiotensin-converting enzyme 2 (hACE2). Recent developments in ACE2-based SARS-CoV-2 detection modalities accentuate the potential of this natural host-virus interaction for developing point-of-care (POC) COVID-19 diagnostic systems. Although research on harnessing ACE2 for SARS-CoV-2 detection is in its infancy, some interesting biosensing devices have been developed, showing the commercial viability of this intriguing new approach. The exquisite performance of the reported ACE2-based COVID-19 biosensors provides opportunities for researchers to develop rapid detection tools suitable for virus detection at points of entry, workplaces, or congregate scenarios in order to effectively implement pandemic control and management plans. However, to be considered as an emerging approach, the rationale for ACE2-based biosensing needs to be critically and comprehensively surveyed and discussed. Herein, we review the recent status of ACE2-based detection methods, the signal transduction principles in ACE2 biosensors and the development trend in the future. We discuss the challenges to development of ACE2-biosensors and delineate prospects for their use, along with recommended solutions and suggestions.
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Affiliation(s)
- Ijaz Gul
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Tsinghua-Berkeley Shenzhen Institute, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Shiyao Zhai
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Tsinghua-Berkeley Shenzhen Institute, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Xiaoyun Zhong
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Tsinghua-Berkeley Shenzhen Institute, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Qun Chen
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Tsinghua-Berkeley Shenzhen Institute, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Xi Yuan
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Tsinghua-Berkeley Shenzhen Institute, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Zhicheng Du
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Tsinghua-Berkeley Shenzhen Institute, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Zhenglin Chen
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Tsinghua-Berkeley Shenzhen Institute, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Muhammad Akmal Raheem
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Tsinghua-Berkeley Shenzhen Institute, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Lin Deng
- Shenzhen Bay Laboratory, Shenzhen 518132, China
| | - Edwin Leeansyah
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Tsinghua-Berkeley Shenzhen Institute, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Canyang Zhang
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Tsinghua-Berkeley Shenzhen Institute, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Dongmei Yu
- Department of Computer Science and Technology, School of Mechanical, Electrical & Information Engineering, Shandong University, Weihai 264209, China
| | - Peiwu Qin
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Tsinghua-Berkeley Shenzhen Institute, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
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18
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Zhang Z, Zhang Q, Li B, Zang J, Cao X, Zhao X, Xue C. Double Fano Resonance and Independent Regulation Characteristics in a Rectangular-like Nanotetramer Metasurface Structure. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3479. [PMID: 36234607 PMCID: PMC9565657 DOI: 10.3390/nano12193479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 09/26/2022] [Accepted: 10/03/2022] [Indexed: 06/16/2023]
Abstract
Fano resonance, which is based on a plasmonic metasurface, has many potential applications in various fields, such as biochemical sensors, slow light effect, and integrated optical circuits. In this study, a rectangular-like nanotetramer metasurface structure composed of four round-head nanorods was designed. The transmission spectrum, surface charge, and electrical field distributions of the proposed structure were simulated using the finite element method. A double Fano resonance profile was observed in the transmission spectrum. One of the Fano resonances was caused by the symmetry breaking and plasmon hybridization between the horizontal double rods, whereas the other resonance was due to the plasmonic modes' hybridization among four nanorods. These resonances could be independently tuned because of different formation mechanisms. The number of Fano resonances could be adjusted by changing the coupling distance between the horizontal and vertical rods. The results contributed to designing the highly sensitive sensors based on the plasmonic metasurface.
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Affiliation(s)
- Zhidong Zhang
- Key Laboratory of Instrumentation Science and Dynamic Measurement of Ministry of Education, North University of China, Taiyuan 030051, China
| | - Qingchao Zhang
- Key Laboratory of Instrumentation Science and Dynamic Measurement of Ministry of Education, North University of China, Taiyuan 030051, China
| | - Bo Li
- School of Software, North University of China, Taiyuan 030051, China
| | - Junbin Zang
- Key Laboratory of Instrumentation Science and Dynamic Measurement of Ministry of Education, North University of China, Taiyuan 030051, China
| | - Xiyuan Cao
- Key Laboratory of Instrumentation Science and Dynamic Measurement of Ministry of Education, North University of China, Taiyuan 030051, China
| | - Xiaolong Zhao
- School of Electrical and Control Engineering, North University of China, Taiyuan 030051, China
| | - Chenyang Xue
- Key Laboratory of Instrumentation Science and Dynamic Measurement of Ministry of Education, North University of China, Taiyuan 030051, China
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19
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Wang P, Krasavin AV, Liu L, Jiang Y, Li Z, Guo X, Tong L, Zayats AV. Molecular Plasmonics with Metamaterials. Chem Rev 2022; 122:15031-15081. [PMID: 36194441 PMCID: PMC9562285 DOI: 10.1021/acs.chemrev.2c00333] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Molecular plasmonics, the area which deals with the interactions between surface plasmons and molecules, has received enormous interest in fundamental research and found numerous technological applications. Plasmonic metamaterials, which offer rich opportunities to control the light intensity, field polarization, and local density of electromagnetic states on subwavelength scales, provide a versatile platform to enhance and tune light-molecule interactions. A variety of applications, including spontaneous emission enhancement, optical modulation, optical sensing, and photoactuated nanochemistry, have been reported by exploiting molecular interactions with plasmonic metamaterials. In this paper, we provide a comprehensive overview of the developments of molecular plasmonics with metamaterials. After a brief introduction to the optical properties of plasmonic metamaterials and relevant fabrication approaches, we discuss light-molecule interactions in plasmonic metamaterials in both weak and strong coupling regimes. We then highlight the exploitation of molecules in metamaterials for applications ranging from emission control and optical modulation to optical sensing. The role of hot carriers generated in metamaterials for nanochemistry is also discussed. Perspectives on the future development of molecular plasmonics with metamaterials conclude the review. The use of molecules in combination with designer metamaterials provides a rich playground both to actively control metamaterials using molecular interactions and, in turn, to use metamaterials to control molecular processes.
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Affiliation(s)
- Pan Wang
- State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou310027, China.,Department of Physics and London Centre for Nanotechnology, King's College London, Strand, LondonWC2R 2LS, U.K.,Jiaxing Key Laboratory of Photonic Sensing & Intelligent Imaging, Jiaxing314000, China.,Intelligent Optics & Photonics Research Center, Jiaxing Research Institute, Zhejiang University, Jiaxing314000, China
| | - Alexey V Krasavin
- Department of Physics and London Centre for Nanotechnology, King's College London, Strand, LondonWC2R 2LS, U.K
| | - Lufang Liu
- State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou310027, China
| | - Yunlu Jiang
- Department of Physics and London Centre for Nanotechnology, King's College London, Strand, LondonWC2R 2LS, U.K
| | - Zhiyong Li
- Jiaxing Key Laboratory of Photonic Sensing & Intelligent Imaging, Jiaxing314000, China.,Intelligent Optics & Photonics Research Center, Jiaxing Research Institute, Zhejiang University, Jiaxing314000, China
| | - Xin Guo
- State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou310027, China.,Jiaxing Key Laboratory of Photonic Sensing & Intelligent Imaging, Jiaxing314000, China.,Intelligent Optics & Photonics Research Center, Jiaxing Research Institute, Zhejiang University, Jiaxing314000, China
| | - Limin Tong
- State Key Laboratory of Modern Optical Instrumentation, College of Optical Science and Engineering, Zhejiang University, Hangzhou310027, China
| | - Anatoly V Zayats
- Department of Physics and London Centre for Nanotechnology, King's College London, Strand, LondonWC2R 2LS, U.K
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20
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Abedin S, Li Y, Sifat AA, Roy K, Potma EO. Enhancement of Molecular Coherent Anti-Stokes Raman Scattering with Silicon Nanoantennas. NANO LETTERS 2022; 22:6685-6691. [PMID: 35960899 PMCID: PMC11168587 DOI: 10.1021/acs.nanolett.2c02040] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Surface-enhanced coherent anti-Stokes Raman scattering (SE-CARS) takes advantage of surface plasmon resonances supported on metallic nanostructures to amplify the coherent Raman response of target molecules. While these metallic antennas have found significant success in SE-CARS studies, photoinduced morphological changes to the nanoantenna under ultrafast excitation introduce significant hurdles in terms of stability and reproducilibty. These hurdles need to be overcome in order to establish SE-CARS as a reliable tool for rapid biomolecular sensing. Here, we address this challenge by performing molecular CARS measurements enhanced by nanoantennas made from high-index dielectric particles with more favorable thermal properties. We present the first experimental demonstration of enhanced molecular CARS signals observed at Si nanoantennas, which offer much improved thermal stability compared to their metallic counterparts.
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Affiliation(s)
- Shamsul Abedin
- Department of Chemical and Biomolecular Engineering, University of California, Irvine, California 92697, United States
| | - Yong Li
- Department of Chemistry, University of California, Irvine, California 92697, United States
| | - Abid Anjum Sifat
- Department of Electrical Engineering and Computer Science, University of California, Irvine, California 92697, United States
| | - Khokan Roy
- Department of Chemistry, University of California, Irvine, California 92697, United States
| | - Eric O Potma
- Department of Chemistry, University of California, Irvine, California 92697, United States
- Department of Electrical Engineering and Computer Science, University of California, Irvine, California 92697, United States
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21
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Lu YW, Liu JF, Li R, Tan H, Li Y. Fano effect induced giant and robust enhancement of photon correlations in cavity QED systems. OPTICS LETTERS 2022; 47:3411-3414. [PMID: 35838692 DOI: 10.1364/ol.459643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 06/15/2022] [Indexed: 06/15/2023]
Abstract
The Fano effect arising from the interference between two dissipation channels of the radiation continuum enables tuning of the photon statistics. Understanding the role of the Fano effect and exploiting it to achieve strong photon correlations are of both fundamental and applied significance. We present an analytical description of Fano-enhanced photon correlations based on cavity quantum electrodynamics to show that the Fano effect in atom-cavity systems can improve the degree of antibunching by over four orders of magnitude. The enhancement factors and the optimal conditions are explicitly given, and found to relate to the Fano parameter q. Remarkably, the Fano enhancement manifests robustness against the decoherence processes and can survive in the weak coupling regime. We expect our work to provide insight to tuning the photon statistics through the Fano effect, which offers a new, to the best of our knowledge, route to enhance the photon correlations, as well as the possibility of generating nonclassical light in a wider diversity of systems without the need of a strong light-matter interaction.
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22
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Single-Molecule Surface-Enhanced Raman Spectroscopy. SENSORS 2022; 22:s22134889. [PMID: 35808385 PMCID: PMC9269420 DOI: 10.3390/s22134889] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 06/20/2022] [Accepted: 06/24/2022] [Indexed: 12/04/2022]
Abstract
Single-molecule surface-enhanced Raman spectroscopy (SM-SERS) has the potential to detect single molecules in a non-invasive, label-free manner with high-throughput. SM-SERS can detect chemical information of single molecules without statistical averaging and has wide application in chemical analysis, nanoelectronics, biochemical sensing, etc. Recently, a series of unprecedented advances have been realized in science and application by SM-SERS, which has attracted the interest of various fields. In this review, we first elucidate the key concepts of SM-SERS, including enhancement factor (EF), spectral fluctuation, and experimental evidence of single-molecule events. Next, we systematically discuss advanced implementations of SM-SERS, including substrates with ultra-high EF and reproducibility, strategies to improve the probability of molecules being localized in hotspots, and nonmetallic and hybrid substrates. Then, several examples for the application of SM-SERS are proposed, including catalysis, nanoelectronics, and sensing. Finally, we summarize the challenges and future of SM-SERS. We hope this literature review will inspire the interest of researchers in more fields.
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23
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Feng Y, Wang Y, Shao F, Meng L, Sun M. Surface-enhanced coherent anti-Stokes Raman scattering based on coupled nanohole-slit arrays. Phys Chem Chem Phys 2022; 24:13911-13921. [PMID: 35621057 DOI: 10.1039/d2cp00124a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Metal nanohole arrays show excellent performance when applied for sensing, optical fibers, and surface-enhanced spectroscopy, but they are not ideal candidates for surface-enhanced coherent anti-Stokes Raman scattering (SECARS) because of their low enhancement factor (EF). Here, the finite element method was used to study the dependence of the period, width, and thickness of nanoslits on the EF of SECARS and optical transmission in Au nanohole-slit arrays. Nanoslits across the nanoholes significantly modulated the SECARS signal, and we observed an ∼106 improvement in the EF of SECARS compared with the nanohole-only structure. Uniform and stable 2D hotspots at the open surface of plasmonic nanohole-slit structures provided a huge SECARS EF as high as 18 orders of magnitude. Directional SECARS emission revealed strong forward and backscattering with high directionality, showing a smaller divergence angle of 14° on the reflective side of the nanohole-slit array. These results provide a fundamental understanding of SECARS in coupled nanohole-slit arrays and are useful for designing a SECARS platform with high sensitivity.
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Affiliation(s)
- Yanting Feng
- School of Physics and Physical Engineering, Qufu Normal University, Qufu 273165, China.
| | - Yu Wang
- School of Physics and Physical Engineering, Qufu Normal University, Qufu 273165, China.
| | - Fenglan Shao
- School of Physics and Physical Engineering, Qufu Normal University, Qufu 273165, China.
| | - Lingyan Meng
- School of Physics and Physical Engineering, Qufu Normal University, Qufu 273165, China.
| | - Mengtao Sun
- School of Mathematics and Physics, Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, University of Science and Technology Beijing, Beijing, 100083, China.
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24
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Theoretical Study on the Ultrafast Selective Excitation of Surface-Enhanced Coherent Anti-Stokes Raman Scattering Based on Fano Resonance of Disk-Ring Nanostructures by Shaped Femtosecond Laser Pulses. PHOTONICS 2022. [DOI: 10.3390/photonics9050338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The enhancement and selective excitation of coherent anti-Stokes Raman scattering (CARS) and the suppression of background noise are very important problems for real-time detection at the single-molecule level. Optimizing the plasmonic substrate to ensure that all the hot spots of the pump, probe, Stokes, and anti-Stokes light are at the same position is the key to increasing the CARS signal to reach the level of single-molecule detection. The selective excitation of the target CARS peak and the suppression of the other peaks are the key to improving the signal-to-noise ratio. In this paper, we present a theoretical study to control the selective excitation and enhancement of any one of the three CARS peaks using the Fano resonance of a disk-ring structure. By optimizing the modulation of the pump, Stokes, and probe pulse, one CARS peak is maximized, while the other two are suppressed to zero. Fano resonance is applied to simultaneously enhance the four surface plasmon modes of the pump, probe, Stokes, and anti-Stokes light and to ensure that all the hot spots are located at the same position by adjusting the size of the disk-ring structure. The hot spots of the four pulses are concentrated in the disk-ring gap with a deviation distance of less than 2 nm, and the intensity of the CARS is enhanced by 1.43 × 1012 times, which is much higher than the requirement of single-molecule detection. The time, frequency, and phase distribution of the input and the response of the four pulses are studied in detail. It was found that the selective excitation and the spectra of CARS are both well preserved.
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25
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Zhao Y, Iarossi M, De Fazio AF, Huang JA, De Angelis F. Label-Free Optical Analysis of Biomolecules in Solid-State Nanopores: Toward Single-Molecule Protein Sequencing. ACS PHOTONICS 2022; 9:730-742. [PMID: 35308409 PMCID: PMC8931763 DOI: 10.1021/acsphotonics.1c01825] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 02/16/2022] [Accepted: 02/17/2022] [Indexed: 06/14/2023]
Abstract
Sequence identification of peptides and proteins is central to proteomics. Protein sequencing is mainly conducted by insensitive mass spectroscopy because proteins cannot be amplified, which hampers applications such as single-cell proteomics and precision medicine. The commercial success of portable nanopore sequencers for single DNA molecules has inspired extensive research and development of single-molecule techniques for protein sequencing. Among them, three challenges remain: (1) discrimination of the 20 amino acids as building blocks of proteins; (2) unfolding proteins; and (3) controlling the motion of proteins with nonuniformly charged sequences. In this context, the emergence of label-free optical analysis techniques for single amino acids and peptides by solid-state nanopores shows promise for addressing the first challenge. In this Perspective, we first discuss the current challenges of single-molecule fluorescence detection and nanopore resistive pulse sensing in a protein sequencing. Then, label-free optical methods are described to show how they address the single-amino-acid identification within single peptides. They include localized surface plasmon resonance detection and surface-enhanced Raman spectroscopy on plasmonic nanopores. Notably, we report new data to show the ability of plasmon-enhanced Raman scattering to record and discriminate the 20 amino acids at a single-molecule level. In addition, we discuss briefly the manipulation of molecule translocation and liquid flow in plasmonic nanopores for controlling molecule movement to allow high-resolution reading of protein sequences. We envision that a combination of Raman spectroscopy with plasmonic nanopores can succeed in single-molecule protein sequencing in a label-free way.
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Affiliation(s)
- Yingqi Zhao
- Istituto
Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy
| | - Marzia Iarossi
- Istituto
Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy
| | | | - Jian-An Huang
- Faculty
of Medicine, Faculty of Biochemistry and Molecular Medicine, University of Oulu, Aapistie 5 A, 90220 Oulu, Finland
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26
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Imai R, Kano H. Label-free enzymatic reaction monitoring in water-in-oil microdroplets using ultra-broadband multiplex coherent anti-Stokes Raman scattering spectroscopy. BIOMEDICAL OPTICS EXPRESS 2022; 13:1506-1515. [PMID: 35414981 PMCID: PMC8973173 DOI: 10.1364/boe.449914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 01/24/2022] [Accepted: 02/05/2022] [Indexed: 06/14/2023]
Abstract
We propose a system for monitoring an enzymatic reaction, i.e., dehydrogenation of ethanol catalyzed by alcohol dehydrogenase, in microdroplets using ultra-broadband multiplex coherent anti-Stokes Raman scattering (CARS) spectroscopy. The reaction solution was encapsulated in water-in-oil microdroplets with diameters of 50 µm. The reaction was monitored by measuring the concentration of coenzymes from the CARS spectrum obtained in one-second exposure time. The results obtained using our system was consistent with those of the conventional fluorescence measurement system and indicate the potential of CARS spectroscopy for droplet-based high-throughput screening of enzymes.
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Affiliation(s)
- Ryo Imai
- Center for Technology Innovation - Healthcare, Research & Development Group, Hitachi, Ltd., 1-280 Higashi-koigakubo, Kokubunji, Tokyo 185-8601, Japan
| | - Hideaki Kano
- Department of Chemistry, Faculty of Science, Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
- Department of Applied Physics, Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki 305-8573, Japan
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27
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Light-Driven Charge Transport and Optical Sensing in Molecular Junctions. NANOMATERIALS 2022; 12:nano12040698. [PMID: 35215024 PMCID: PMC8878161 DOI: 10.3390/nano12040698] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 02/15/2022] [Accepted: 02/17/2022] [Indexed: 12/11/2022]
Abstract
Probing charge and energy transport in molecular junctions (MJs) has not only enabled a fundamental understanding of quantum transport at the atomic and molecular scale, but it also holds significant promise for the development of molecular-scale electronic devices. Recent years have witnessed a rapidly growing interest in understanding light-matter interactions in illuminated MJs. These studies have profoundly deepened our knowledge of the structure–property relations of various molecular materials and paved critical pathways towards utilizing single molecules in future optoelectronics applications. In this article, we survey recent progress in investigating light-driven charge transport in MJs, including junctions composed of a single molecule and self-assembled monolayers (SAMs) of molecules, and new opportunities in optical sensing at the single-molecule level. We focus our attention on describing the experimental design, key phenomena, and the underlying mechanisms. Specifically, topics presented include light-assisted charge transport, photoswitch, and photoemission in MJs. Emerging Raman sensing in MJs is also discussed. Finally, outstanding challenges are explored, and future perspectives in the field are provided.
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28
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Xu X, Luo XQ, Zhang J, Zhu W, Chen Z, Li TF, Liu WM, Wang XL. Near-infrared plasmonic sensing and digital metasurface via double Fano resonances. OPTICS EXPRESS 2022; 30:5879-5895. [PMID: 35209541 DOI: 10.1364/oe.452134] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 01/27/2022] [Indexed: 06/14/2023]
Abstract
Plasmonic sensing that enables the detection of minute events, when the incident light field interacts with the nanostructure interface, has been widely applied to optical and biological detection. Implementation of the controllable plasmonic double Fano resonances (DFRs) offers a flexible and efficient way for plasmonic sensing. However, plasmonic sensing and digital metasurface induced by tailorable plasmonic DFRs require further study. In this work, we numerically and theoretically investigate the near-infrared plasmonic DFRs for plasmonic sensing and digital metasurface in a hybrid metasurface with concentric ϕ-shaped-hole and circular-ring-aperture unit cells. We show that a plasmonic Fano resonance, resulting from the interaction between a narrow and a wide effective dipolar modes, can be realized in the ϕ-shaped hybrid metasurface. In particular, we demonstrate that the tailoring plasmonic DFRs with distinct mechanisms of actions can be accomplished in three different ϕ-shaped hybrid metasurfaces. Moreover, the resonance mode-broadening and mode-shifting plasmonic sensing can be fulfilled by modulating the polarization orientation and the related geometric parameters of the unit cells in the near-infrared waveband, respectively. In addition, the plasmonic switch with a high ON/OFF ratio can not only be achieved but also be exploited to establish a single-bit digital metasurface, even empower to implement two- and three-bit digital metasurface characterized by the plasmonic DFRs in the telecom L-band. Our results offer a new perspective toward realizing polarization-sensitive optical sensing, passive optical switches, and programmable metasurface devices, which also broaden the landscape of subwavelength nanostructures for biosensors and optical communications.
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29
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Hao Q, Peng Z, Wang J, Fan X, Li G, Zhao X, Ma L, Qiu T, Schmidt OG. Verification and Analysis of Single-Molecule SERS Events via Polarization-Selective Raman Measurement. Anal Chem 2022; 94:1046-1051. [DOI: 10.1021/acs.analchem.1c04015] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Qi Hao
- School of Physics, Southeast University, Nanjing 211189, P. R. China
- Quantum Information Research Center, Southeast University, Nanjing 211189, P. R. China
- Institute for Integrative Nanosciences, Leibniz IFW, Helmholtzstraße 20, Dresden 01069, Germany
| | - Zhaohui Peng
- School of Physics, Southeast University, Nanjing 211189, P. R. China
| | - Jiawei Wang
- Institute for Integrative Nanosciences, Leibniz IFW, Helmholtzstraße 20, Dresden 01069, Germany
- Department of Electronic and Information Engineering, Harbin Institute of Technology, Shenzhen 518055, P. R. China
| | - Xingce Fan
- School of Physics, Southeast University, Nanjing 211189, P. R. China
| | - Guoqun Li
- School of Physics, Southeast University, Nanjing 211189, P. R. China
| | - Xing Zhao
- School of Physics, Southeast University, Nanjing 211189, P. R. China
| | - Libo Ma
- Institute for Integrative Nanosciences, Leibniz IFW, Helmholtzstraße 20, Dresden 01069, Germany
| | - Teng Qiu
- School of Physics, Southeast University, Nanjing 211189, P. R. China
| | - Oliver G. Schmidt
- Institute for Integrative Nanosciences, Leibniz IFW, Helmholtzstraße 20, Dresden 01069, Germany
- Material Systems for Nanoelectronics, Technische Universität Chemnitz, 09111 Chemnitz, Germany
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30
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Koo SJ, Kim JH, Kim YK, Shin M, Choi JW, Oh JW, Lee HW, Song M. Improved Light Harvesting of Fiber-Shaped Dye-Sensitized Solar Cells by Using a Bacteriophage Doping Method. NANOMATERIALS 2021; 11:nano11123421. [PMID: 34947770 PMCID: PMC8705857 DOI: 10.3390/nano11123421] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2021] [Revised: 12/10/2021] [Accepted: 12/14/2021] [Indexed: 11/18/2022]
Abstract
Fiber-shaped solar cells (FSCs) with flexibility, wearability, and wearability have emerged as a topic of intensive interest and development in recent years. Although the development of this material is still in its early stages, bacteriophage-metallic nanostructures, which exhibit prominent localized surface plasmon resonance (LSPR) properties, are one such material that has been utilized to further improve the power conversion efficiency (PCE) of solar cells. This study confirmed that fiber-shaped dye-sensitized solar cells (FDSSCs) enhanced by silver nanoparticles-embedded M13 bacteriophage (Ag@M13) can be developed as solar cell devices with better PCE than the solar cells without them. The PCE of FDSSCs was improved by adding the Ag@M13 into an iodine species (I−/I3−) based electrolyte, which is used for redox couple reactions. The optimized Ag@M13 enhanced FDSSC showed a PCE of up to 5.80%, which was improved by 16.7% compared to that of the reference device with 4.97%.
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Affiliation(s)
- Sung-Jun Koo
- Department of Energy and Electronic Materials, Korea Institute of Materials Science (KIMS), Changwon 51508, Korea; (S.-J.K.); (J.H.K.); (J.W.C.)
- Department of Nano Fusion Technology, Pusan National University, Busan 46241, Korea
| | - Jae Ho Kim
- Department of Energy and Electronic Materials, Korea Institute of Materials Science (KIMS), Changwon 51508, Korea; (S.-J.K.); (J.H.K.); (J.W.C.)
| | - Yong-Ki Kim
- School of Electronics and Information Engineering, Korea Aerospace University, Goyang 10540, Korea; (Y.-K.K.); (M.S.)
| | - Myunghun Shin
- School of Electronics and Information Engineering, Korea Aerospace University, Goyang 10540, Korea; (Y.-K.K.); (M.S.)
| | - Jin Woo Choi
- Department of Energy and Electronic Materials, Korea Institute of Materials Science (KIMS), Changwon 51508, Korea; (S.-J.K.); (J.H.K.); (J.W.C.)
| | - Jin-Woo Oh
- Department of Nano Fusion Technology, Pusan National University, Busan 46241, Korea
- Bio-IT Fusion Technology Research Institute, Pusan National University, Busan 46241, Korea
- Correspondence: (J.-W.O.); (H.W.L.); (M.S.)
| | - Hyung Woo Lee
- Department of Nano Fusion Technology, Pusan National University, Busan 46241, Korea
- Department of Nanoenergy Engineering and Research Center of Energy Convergence Technology, Pusan Natuional University, Busan 46241, Korea
- Correspondence: (J.-W.O.); (H.W.L.); (M.S.)
| | - Myungkwan Song
- Department of Energy and Electronic Materials, Korea Institute of Materials Science (KIMS), Changwon 51508, Korea; (S.-J.K.); (J.H.K.); (J.W.C.)
- Correspondence: (J.-W.O.); (H.W.L.); (M.S.)
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31
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Yang Y, Peng Y, Lin C, Long L, Hu J, He J, Zeng H, Huang Z, Li ZY, Tanemura M, Shi J, Lombardi JR, Luo X. Human ACE2-Functionalized Gold "Virus-Trap" Nanostructures for Accurate Capture of SARS-CoV-2 and Single-Virus SERS Detection. NANO-MICRO LETTERS 2021; 13:109. [PMID: 33868761 PMCID: PMC8042470 DOI: 10.1007/s40820-021-00620-8] [Citation(s) in RCA: 98] [Impact Index Per Article: 32.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Accepted: 02/07/2021] [Indexed: 05/05/2023]
Abstract
UNLABELLED The current COVID-19 pandemic urges the extremely sensitive and prompt detection of SARS-CoV-2 virus. Here, we present a Human Angiotensin-converting-enzyme 2 (ACE2)-functionalized gold "virus traps" nanostructure as an extremely sensitive SERS biosensor, to selectively capture and rapidly detect S-protein expressed coronavirus, such as the current SARS-CoV-2 in the contaminated water, down to the single-virus level. Such a SERS sensor features extraordinary 106-fold virus enrichment originating from high-affinity of ACE2 with S protein as well as "virus-traps" composed of oblique gold nanoneedles, and 109-fold enhancement of Raman signals originating from multi-component SERS effects. Furthermore, the identification standard of virus signals is established by machine-learning and identification techniques, resulting in an especially low detection limit of 80 copies mL-1 for the simulated contaminated water by SARS-CoV-2 virus with complex circumstance as short as 5 min, which is of great significance for achieving real-time monitoring and early warning of coronavirus. Moreover, here-developed method can be used to establish the identification standard for future unknown coronavirus, and immediately enable extremely sensitive and rapid detection of novel virus. SUPPLEMENTARY INFORMATION The online version contains supplementary material available at 10.1007/s40820-021-00620-8.
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Affiliation(s)
- Yong Yang
- State Key Laboratory of High-Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050 People’s Republic of China
- Graduate School of the Chinese Academy of Sciences, Beijing, 100049 People’s Republic of China
- Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049 People’s Republic of China
| | - Yusi Peng
- State Key Laboratory of High-Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050 People’s Republic of China
- Graduate School of the Chinese Academy of Sciences, Beijing, 100049 People’s Republic of China
| | - Chenglong Lin
- State Key Laboratory of High-Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050 People’s Republic of China
- Graduate School of the Chinese Academy of Sciences, Beijing, 100049 People’s Republic of China
| | - Li Long
- School of Physics and Optoelectronics, South China University of Technology, Guangzhou, 510640 People’s Republic of China
| | - Jingying Hu
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200032 People’s Republic of China
| | - Jun He
- Anhui Provincial Center for Disease Control and Prevention, Hefei, 12560 Anhui People’s Republic of China
- Public Health Research Institute of Anhui Province, Hefei, 12560 Anhui People’s Republic of China
| | - Hui Zeng
- Shanghai Yangpu Hospital of Traditional Chinese Medicine, Shanghai, 200090 People’s Republic of China
| | - Zhengren Huang
- State Key Laboratory of High-Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050 People’s Republic of China
| | - Zhi-Yuan Li
- School of Physics and Optoelectronics, South China University of Technology, Guangzhou, 510640 People’s Republic of China
| | - Masaki Tanemura
- Department of Frontier Materials, Nagoya Institute of Technology, Nagoya, 466-8555 Japan
| | - Jianlin Shi
- State Key Laboratory of High-Performance Ceramics and Superfine Microstructures, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050 People’s Republic of China
| | - John R. Lombardi
- Department of Chemistry, The City College of New York, 160 Convent Avenue, New York, NY 10031 USA
| | - Xiaoying Luo
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200032 People’s Republic of China
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32
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Zhang YJ, Radjenovic PM, Zhou XS, Zhang H, Yao JL, Li JF. Plasmonic Core-Shell Nanomaterials and their Applications in Spectroscopies. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2005900. [PMID: 33811422 DOI: 10.1002/adma.202005900] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2020] [Revised: 02/24/2021] [Indexed: 05/22/2023]
Abstract
Plasmonic core-shell nanostructures have attracted considerable attention in the scientific community recently due to their highly tunable optical properties. Plasmon-enhanced spectroscopies are one of the main applications of plasmonic nanomaterials. When excited by an incident laser of suitable wavelength, strong and highly localized electromagnetic (EM) fields are generated around plasmonic nanomaterials, which can significantly boost excitation and/or radiation processes that amplify Raman, fluorescence, or nonlinear signals and improve spectroscopic sensitivity. Herein, recent developments in plasmon-enhanced spectroscopies utilizing core-shell nanostructures are reviewed, including shell-isolated nanoparticle-enhanced Raman spectroscopy (SHINERS), plasmon-enhanced fluorescence spectroscopy, and plasmon-enhanced nonlinear spectroscopy.
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Affiliation(s)
- Yue-Jiao Zhang
- College of Energy, State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, College of Materials, Xiamen University, Xiamen, 361005, China
| | - Petar M Radjenovic
- College of Energy, State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, College of Materials, Xiamen University, Xiamen, 361005, China
| | - Xiao-Shun Zhou
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, Zhejiang Normal University, Jinhua, 321004, China
| | - Hua Zhang
- College of Energy, State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, College of Materials, Xiamen University, Xiamen, 361005, China
| | - Jian-Lin Yao
- College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou, 215123, China
| | - Jian-Feng Li
- College of Energy, State Key Laboratory for Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, College of Materials, Xiamen University, Xiamen, 361005, China
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33
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Mandal A, Ziegler LD. Vibrational line shape effects in plasmon-enhanced stimulated Raman spectroscopies. J Chem Phys 2021; 155:194701. [PMID: 34800946 DOI: 10.1063/5.0067301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
A density matrix treatment of plasmon-enhanced (PE) stimulated Raman spectroscopies is developed. Specifically, PE stimulated Raman Gain/Loss (PE-SRG/L) and coherent anti-Stokes Raman scattering (PE-CARS) due to monochromatic excitation and PE femtosecond stimulated Raman spectroscopy (PE-FSRS) are considered. A Lorentz oscillator model is used to explicitly describe the time dependence of plasmon-enhanced optical fields. These temporal characteristics are required for a density matrix based description of all plasmon-enhanced nonlinear molecular spectroscopies. Dispersive vibrational line shapes in PE-SRG/L and PE-FSRS spectra are shown to result primarily from terms proportional to the square of the complex optical field enhancement factor. The dependence on the plasmon resonance, picosecond and femtosecond pulse characteristics, and molecular vibrational properties are evident in the density matrix derived PE-FSRS intensity expression. The difference in signal detection mechanisms accounts for the lack of dispersive line shapes in PE spontaneous Raman spectroscopy. This density matrix treatment of PE-FSRS line shapes is compared with prior coupled wave results.
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Affiliation(s)
- Aritra Mandal
- Intel Corporation, 2501 NW 229th Ave., Hillsboro, Oregon 97124, USA
| | - L D Ziegler
- Department of Chemistry, Photonics Center Boston University, Boston, Massachusetts 02215, USA
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34
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Mi Q, Sang T, Pei Y, Yang C, Li S, Wang Y, Ma B. High-quality-factor dual-band Fano resonances induced by dual bound states in the continuum using a planar nanohole slab. NANOSCALE RESEARCH LETTERS 2021; 16:150. [PMID: 34585286 PMCID: PMC8479049 DOI: 10.1186/s11671-021-03607-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Accepted: 09/21/2021] [Indexed: 05/05/2023]
Abstract
In photonics, it is essential to achieve high-quality (Q)-factor resonances to improve optical devices' performances. Herein, we demonstrate that high-Q-factor dual-band Fano resonances can be achieved by using a planar nanohole slab (PNS) based on the excitation of dual bound states in the continuum (BICs). By shrinking or expanding the tetramerized holes of the superlattice of the PNS, two symmetry-protected BICs can be induced to dual-band Fano resonances and their locations as well as their Q-factors can be flexibly tuned. Physical mechanisms for the dual-band Fano resonances can be interpreted as the resonant couplings between the electric toroidal dipoles or the magnetic toroidal dipoles based on the far-field multiple decompositions and the near-field distributions of the superlattice. The dual-band Fano resonances of the PNS possess polarization-independent feature, and they can be survived even when the geometric parameters of the PNS are significantly altered, making them more suitable for potential applications.
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Affiliation(s)
- Qing Mi
- Department of Photoelectric Information Science and Engineering, School of Science, Jiangnan University, Wuxi, 214122, China
| | - Tian Sang
- Department of Photoelectric Information Science and Engineering, School of Science, Jiangnan University, Wuxi, 214122, China.
| | - Yao Pei
- Department of Photoelectric Information Science and Engineering, School of Science, Jiangnan University, Wuxi, 214122, China
| | - Chaoyu Yang
- Department of Photoelectric Information Science and Engineering, School of Science, Jiangnan University, Wuxi, 214122, China
| | - Shi Li
- Department of Photoelectric Information Science and Engineering, School of Science, Jiangnan University, Wuxi, 214122, China
| | - Yueke Wang
- Department of Photoelectric Information Science and Engineering, School of Science, Jiangnan University, Wuxi, 214122, China
| | - Bin Ma
- Key Laboratory of Advanced Micro-Structured Materials MOE, Institute of Precision Optical Engineering, School of Physics Science and Engineering, Tongji University, Shanghai, 200092, China
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35
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Jimbo A, Nishikado Y, Imura K. Optical Field and Chemical Environment Near the Surface Modified Gold Nanoparticle Assembly Revealed by Two-Photon Induced Photoluminescence and Surface Enhanced Raman Scattering. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2021. [DOI: 10.1246/bcsj.20210160] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Atsuko Jimbo
- Department of Chemistry and Biochemistry, School of Advanced Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan
| | - Yui Nishikado
- Department of Chemistry and Biochemistry, School of Advanced Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan
| | - Kohei Imura
- Department of Chemistry and Biochemistry, School of Advanced Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan
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36
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Multilevel Laser Induced Continuum Structure. ENTROPY 2021; 23:e23070891. [PMID: 34356432 PMCID: PMC8303234 DOI: 10.3390/e23070891] [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: 06/09/2021] [Revised: 07/09/2021] [Accepted: 07/11/2021] [Indexed: 11/16/2022]
Abstract
Laser-induced-continuum-structure (LICS) allows for coherent control techniques to be applied in a Raman type system with an intermediate continuum state. The standard LICS problem involves two bound states coupled to one or more continua. In this paper, we discuss the simplest non-trivial multistate generalization of LICS which couples two bound levels, each composed of two degenerate states through a common continuum state. We reduce the complexity of the system by switching to a rotated basis of the bound states, in which different sub-systems of lower dimension evolve independently. We derive the trapping condition and explore the dynamics of the sub-systems under different initial conditions.
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37
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Tai YH, Lo SC, Montagne K, Tsai PC, Liao CC, Wang SH, Chin IS, Xing D, Ho YL, Huang NT, Wei PK, Delaunay JJ. Enhancing Raman signals from bacteria using dielectrophoretic force between conductive lensed fiber and black silicon. Biosens Bioelectron 2021; 191:113463. [PMID: 34198171 DOI: 10.1016/j.bios.2021.113463] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2020] [Revised: 06/02/2021] [Accepted: 06/22/2021] [Indexed: 12/26/2022]
Abstract
An osmium-coated lensed fiber (OLF) probe combined with a silver-coated black silicon (SBS) substrate was used to generate a dielectrophoretic (DEP) force that traps bacteria and enables Raman signal detection from bacteria. The lensed fiber coated with a 2-nm osmium layer was used as an electrode for the DEP force and also as a lens to excite Raman signals. The black silicon coated with a 150-nm silver layer was used both as the surface-enhanced Raman scattering (SERS) substrate and the counter electrode. The enhanced Raman signal was collected by the same OLF probe and further analyzed with a spectrometer. For Raman measurements, a drop of bacterial suspension was placed between the OLF probe and the SBS substrate. By controlling the frequency of an AC voltage on the OLF probe and SBS substrate, a DEP force at 1 MHz concentrated bacteria on the SBS surface and removed the unbound micro-objects in the solution at 1 kHz. A bacteria concentration of 6 × 104 CFU/mL (colony forming units per mL) could be identified in less than 15 min, using a volume of only 1 μL, by recording the variation of the Raman peak at 740 cm-1.
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Affiliation(s)
- Yi-Hsin Tai
- Department of Mechanical Engineering, School of Engineering, The University of Tokyo, Tokyo, 113-8656, Japan
| | - Shu-Cheng Lo
- Institute of Applied Mechanics, National Taiwan University, Taipei, 10617, Taiwan
| | - Kevin Montagne
- Department of Mechanical Engineering, School of Engineering, The University of Tokyo, Tokyo, 113-8656, Japan
| | - Po-Cheng Tsai
- Graduate Institute of Electronics Engineering, National Taiwan University, Taipei, 10617, Taiwan
| | - Cheng-Chieh Liao
- Graduate Institute of Biomedical Electronics and Bioinformatics, National Taiwan University, Taipei, 10617, Taiwan
| | - Sheng-Hann Wang
- Research Center for Applied Sciences, Academia Sinica, Taipei, 11529, Taiwan
| | - Iuan-Sheau Chin
- Research Center for Applied Sciences, Academia Sinica, Taipei, 11529, Taiwan
| | - Di Xing
- Department of Mechanical Engineering, School of Engineering, The University of Tokyo, Tokyo, 113-8656, Japan
| | - Ya-Lun Ho
- Department of Mechanical Engineering, School of Engineering, The University of Tokyo, Tokyo, 113-8656, Japan
| | - Nien-Tsu Huang
- Graduate Institute of Biomedical Electronics and Bioinformatics, National Taiwan University, Taipei, 10617, Taiwan; Department of Electrical Engineering, National Taiwan University, Taipei, 10617, Taiwan
| | - Pei-Kuen Wei
- Research Center for Applied Sciences, Academia Sinica, Taipei, 11529, Taiwan
| | - Jean-Jacques Delaunay
- Department of Mechanical Engineering, School of Engineering, The University of Tokyo, Tokyo, 113-8656, Japan.
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38
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Spontaneous Raman and Surface-Enhanced Raman Scattering Bioimaging. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 3233:177-195. [PMID: 34053028 DOI: 10.1007/978-981-15-7627-0_9] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Raman spectroscopy is a specific, noninvasive and nondestructive optical technique and is able to obtain chemical information from molecules. Optical imaging based on Raman spectroscopy has been a powerful technique for monitoring minute chemical changes of biological samples and generating images through direct or indirect strategies. Two widely applied Raman imaging techniques include spontaneous Raman and surface-enhanced Raman scattering (SERS) imaging. In this chapter, we introduce the basic principles including the physics behind Raman and SERS imaging, design of Raman/SERS labels or probes, and current strategies for further improvements. The progress in the use of spontaneous Raman and SERS spectroscopy for bioimaging is discussed, either in fundamental studies or in biomedical theranostics. In addition, we give insights into the challenges and opportunities for improving Raman imaging performance.
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39
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Anapole-assisted giant electric field enhancement for surface-enhanced coherent anti-Stokes Raman spectroscopy. Sci Rep 2021; 11:10639. [PMID: 34017020 PMCID: PMC8137709 DOI: 10.1038/s41598-021-90061-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 05/06/2021] [Indexed: 02/03/2023] Open
Abstract
The coherent anti-Stokes Raman spectroscopy (CARS) techniques are recognized for their ability to detect and identify vibrational coherent processes down to the single-molecular levels. Plasmonic oligomers supporting full-range Fano-like line profiles in their scattering spectrum are one of the most promising class of substrates in the context of surface-enhanced (SE) CARS application. In this work, an engineered assembly of metallic disk-shaped nanoparticles providing two Fano-like resonance modes is presented as a highly-efficient design of SECARS substrate. We show that the scattering dips corresponding to the double-Fano spectral line shapes are originated from the mutual interaction of electric and toroidal dipole moments, leading to the so-called non-trivial first- and second-order anapole states. The anapole modes, especially the higher-order ones, can result in huge near-field enhancement due to their light-trapping capability into the so-called "hot spots". In addition, independent spectral tunability of the second Fano line shape is exhibited by modulating the gap distance of the corner particles. This feature is closely related to the electric current loop associated with the corner particles in the second-order anapole state and provides a simple design procedure of an optimum SECARS substrate, where the electric field hot spots corresponding to three involved wavelengths, i.e., anti-Stokes, pump, and Stokes, are localized at the same spatial position. These findings yield valuable insight into the plasmonic substrate design for SECARS applications as well as for other nonlinear optical processes, such as four-wave mixing and multi-photon surface spectroscopy.
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40
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Brennan G, Ryan S, Soulimane T, Tofail SAM, Silien C. Dark Field and Coherent Anti-Stokes Raman (DF-CARS) Imaging of Cell Uptake of Core-Shell, Magnetic-Plasmonic Nanoparticles. NANOMATERIALS 2021; 11:nano11030685. [PMID: 33803430 PMCID: PMC7998699 DOI: 10.3390/nano11030685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 01/25/2021] [Accepted: 03/05/2021] [Indexed: 11/16/2022]
Abstract
Magnetic-plasmonic, Fe3O4-Au, core-shell nanoparticles are popular in many applications, most notably in therapeutics and diagnostics, and thus, the imaging of these nanostructures in biological samples is of high importance. These nanostructures are typically imaged in biological material by dark field scatter imaging, which requires an even distribution of nanostructures in the sample and, therefore, high nanoparticle doses, potentially leading to toxicology issues. Herein, we explore the nonlinear optical properties of magnetic nanoparticles coated with various thicknesses of gold using the open aperture z-scan technique to determine the nonlinear optical properties and moreover, predict the efficacy of the nanostructures in nonlinear imaging. We find that the magnetic nanoparticles coated with gold nanoseeds and thinner gold shells (ca. 4 nm) show the largest nonlinear absorption coefficient β and imaginary part of the third-order susceptibility Im χ(3), suggesting that these nanostructures would be suitable contrast agents. Next, we combine laser dark field microscopy and epi-detected coherent anti-Stokes Raman (CARS) microscopy to image the uptake of magnetic-plasmonic nanoparticles in human pancreatic cancer cells. We show the epi-detected CARS technique is suitable for imaging of the magnetic-plasmonic nanoparticles without requiring a dense distribution of nanoparticles. This technique achieves superior nanoparticle contrasting over both epi-detected backscatter imaging and transmission dark field imaging, while also attaining label-free chemical contrasting of the cell. Lastly, we show the high biocompatibility of the Fe3O4 nanoparticles with ca. 4-nm thick Au shell at concentrations of 10-100 µg/mL.
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Affiliation(s)
- Grace Brennan
- Department of Physics and Bernal Institute, University of Limerick, V94 T9PX Limerick, Ireland; (G.B.); (S.A.M.T.)
| | - Sally Ryan
- Department of Chemical Sciences and Bernal Institute, University of Limerick, V94 T9PX Limerick, Ireland; (S.R.); (T.S.)
| | - Tewfik Soulimane
- Department of Chemical Sciences and Bernal Institute, University of Limerick, V94 T9PX Limerick, Ireland; (S.R.); (T.S.)
| | - Syed A. M. Tofail
- Department of Physics and Bernal Institute, University of Limerick, V94 T9PX Limerick, Ireland; (G.B.); (S.A.M.T.)
| | - Christophe Silien
- Department of Physics and Bernal Institute, University of Limerick, V94 T9PX Limerick, Ireland; (G.B.); (S.A.M.T.)
- Correspondence:
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41
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Filipczak P, Pastorczak M, Kardaś T, Nejbauer M, Radzewicz C, Kozanecki M. Spontaneous versus Stimulated Surface-Enhanced Raman Scattering of Liquid Water. THE JOURNAL OF PHYSICAL CHEMISTRY. C, NANOMATERIALS AND INTERFACES 2021; 125:1999-2004. [PMID: 33584935 PMCID: PMC7874264 DOI: 10.1021/acs.jpcc.0c06937] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 11/29/2020] [Indexed: 05/29/2023]
Abstract
We have observed for the first time the surface-enhanced (SE) signal of water in an aqueous dispersion of silver nanoparticles in spontaneous (SERS) and femtosecond stimulated Raman (SE-FSRS) processes with different wavelengths of the Raman pump (515, 715, and 755 nm). By estimating the fraction of water molecules that interact with the metal surface, we have calculated enhancement factors (EF): 4.8 × 106 for SERS and (3.6-3.7) × 106 for SE-FSRS. Furthermore, we have tested the role of simultaneous plasmon resonance and Raman resonance conditions for the aν 1 + bν3 overtone mode of water (755 nm) in SE-FSRS signal amplification. When the wavelength of the Raman pump is within the plasmon resonance of the metal nanoparticles, the Raman resonance has a negligible effect on the EF. However, the Raman resonance with the aν 1 + bν3 mode strongly enhances the signal of the fundamental OH stretching mode of water.
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Affiliation(s)
- Paulina Filipczak
- Department
of Molecular Physics, Faculty of Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland
| | - Marcin Pastorczak
- Institute
of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Tomasz Kardaś
- Institute
of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Michał Nejbauer
- Institute
of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Czesław Radzewicz
- Institute
of Experimental Physics, Faculty of Physics, University of Warsaw, Pasteura 5, 02-093 Warsaw, Poland
| | - Marcin Kozanecki
- Department
of Molecular Physics, Faculty of Chemistry, Lodz University of Technology, Zeromskiego 116, 90-924 Lodz, Poland
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42
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Ouyang L, Meyer-Zedler T, See KM, Chen WL, Lin FC, Akimov D, Ehtesabi S, Richter M, Schmitt M, Chang YM, Gräfe S, Popp J, Huang JS. Spatially Resolving the Enhancement Effect in Surface-Enhanced Coherent Anti-Stokes Raman Scattering by Plasmonic Doppler Gratings. ACS NANO 2021; 15:809-818. [PMID: 33356140 PMCID: PMC7944573 DOI: 10.1021/acsnano.0c07198] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Accepted: 12/09/2020] [Indexed: 05/22/2023]
Abstract
Well-designed plasmonic nanostructures can mediate far and near optical fields and thereby enhance light-matter interactions. To obtain the best overall enhancement, structural parameters need to be carefully tuned to obtain the largest enhancement at the input and output frequencies. This is, however, challenging for nonlinear light-matter interactions involving multiple frequencies because obtaining the full picture of structure-dependent enhancement at individual frequencies is not easy. In this work, we introduce the platform of plasmonic Doppler grating (PDG) to experimentally investigate the enhancement effect of plasmonic gratings in the input and output beams of nonlinear surface-enhanced coherent anti-Stokes Raman scattering (SECARS). PDGs are designable azimuthally chirped gratings that provide broadband and spatially dispersed plasmonic enhancement. Therefore, they offer the opportunity to observe and compare the overall enhancement from different combinations of enhancement in individual input and output beams. We first confirm PDG's capability of spatially separating the input and output enhancement in linear surface-enhanced fluorescence and Raman scattering. We then investigate spatially resolved enhancement in nonlinear SECARS, where coherent interaction of the pump, Stokes, and anti-Stokes beams is enhanced by the plasmonic gratings. By mapping the SECARS signal and analyzing the azimuthal angle-dependent intensity, we characterize the enhancement at individual frequencies. Together with theoretical analysis, we show that while simultaneous enhancement in the input and output beams is important for SECARS, the enhancement in the pump and anti-Stokes beams plays a more critical role in the overall enhancement than that in the Stokes beam. This work provides an insight into the enhancement mechanism of plasmon-enhanced spectroscopy, which is important for the design and optimization of plasmonic gratings. The PDG platform may also be applied to study enhancement mechanisms in other nonlinear light-matter interactions or the impact of plasmonic gratings on the fluorescence lifetime.
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Affiliation(s)
- Lei Ouyang
- Leibniz
Institute of Photonic Technology, Albert-Einstein Strasse 9, 07745 Jena, Germany
- Institute
of Physical Chemistry and Abbe Center of Photonics, Friedrich-Schiller-Universität Jena, Helmholtzweg 4, D-07743 Jena, Germany
- School
of Chemistry and Chemical Engineering, Huazhong
University of Science and Technology, Wuhan 430074, China
| | - Tobias Meyer-Zedler
- Leibniz
Institute of Photonic Technology, Albert-Einstein Strasse 9, 07745 Jena, Germany
- Institute
of Physical Chemistry and Abbe Center of Photonics, Friedrich-Schiller-Universität Jena, Helmholtzweg 4, D-07743 Jena, Germany
| | - Kel-Meng See
- Department
of Chemistry, National Tsing Hua University, 101 Sec. 2, Kuang-Fu Road, Hsinchu 30013, Taiwan
| | - Wei-Liang Chen
- Center
for Condensed Matter Sciences, National
Taiwan University, Taipei 10617, Taiwan
| | - Fan-Cheng Lin
- Department
of Chemistry, National Tsing Hua University, 101 Sec. 2, Kuang-Fu Road, Hsinchu 30013, Taiwan
| | - Denis Akimov
- Leibniz
Institute of Photonic Technology, Albert-Einstein Strasse 9, 07745 Jena, Germany
| | - Sadaf Ehtesabi
- Institute
of Physical Chemistry and Abbe Center of Photonics, Friedrich-Schiller-Universität Jena, Helmholtzweg 4, D-07743 Jena, Germany
| | - Martin Richter
- Institute
of Physical Chemistry and Abbe Center of Photonics, Friedrich-Schiller-Universität Jena, Helmholtzweg 4, D-07743 Jena, Germany
| | - Michael Schmitt
- Institute
of Physical Chemistry and Abbe Center of Photonics, Friedrich-Schiller-Universität Jena, Helmholtzweg 4, D-07743 Jena, Germany
| | - Yu-Ming Chang
- Center
for Condensed Matter Sciences, National
Taiwan University, Taipei 10617, Taiwan
| | - Stefanie Gräfe
- Institute
of Physical Chemistry and Abbe Center of Photonics, Friedrich-Schiller-Universität Jena, Helmholtzweg 4, D-07743 Jena, Germany
| | - Jürgen Popp
- Leibniz
Institute of Photonic Technology, Albert-Einstein Strasse 9, 07745 Jena, Germany
- Institute
of Physical Chemistry and Abbe Center of Photonics, Friedrich-Schiller-Universität Jena, Helmholtzweg 4, D-07743 Jena, Germany
| | - Jer-Shing Huang
- Leibniz
Institute of Photonic Technology, Albert-Einstein Strasse 9, 07745 Jena, Germany
- Institute
of Physical Chemistry and Abbe Center of Photonics, Friedrich-Schiller-Universität Jena, Helmholtzweg 4, D-07743 Jena, Germany
- Department
of Chemistry, National Tsing Hua University, 101 Sec. 2, Kuang-Fu Road, Hsinchu 30013, Taiwan
- Research
Center for Applied Sciences, Academia Sinica, 128 Sec. 2, Academia Road, Nankang District, Taipei 11529, Taiwan
- Department
of Electrophysics, National Chiao Tung University, Hsinchu 30010, Taiwan
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43
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Zong C, Xie Y, Zhang M, Huang Y, Yang C, Cheng JX. Plasmon-enhanced coherent anti-stokes Raman scattering vs plasmon-enhanced stimulated Raman scattering: Comparison of line shape and enhancement factor. J Chem Phys 2021; 154:034201. [PMID: 33499625 PMCID: PMC7816769 DOI: 10.1063/5.0035163] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2020] [Accepted: 12/28/2020] [Indexed: 12/12/2022] Open
Abstract
Plasmon-enhanced coherent Raman scattering microscopy has reached single-molecule detection sensitivity. Due to the different driven fields, there are significant differences between a coherent Raman scattering process and its plasmon-enhanced derivative. The commonly accepted line shapes for coherent anti-Stokes Raman scattering and stimulated Raman scattering do not hold for the plasmon-enhanced condition. Here, we present a theoretical model that describes the spectral line shapes in plasmon-enhanced coherent anti-Stokes Raman scattering (PECARS). Experimentally, we measured PECARS and plasmon-enhanced stimulated Raman scattering (PESRS) spectra of 4-mercaptopyridine adsorbed on the self-assembled Au nanoparticle (NP) substrate and aggregated Au NP colloids. The PECARS spectra show a nondispersive line shape, while the PESRS spectra exhibit a dispersive line shape. PECARS shows a higher signal to noise ratio and a larger enhancement factor than PESRS from the same specimen. It is verified that the nonresonant background in PECARS originates from the photoluminescence of nanostructures. The decoupling of background and the vibrational resonance component results in the nondispersive line shape in PECARS. More local electric field enhancements are involved in the PECARS process than in PESRS, which results in a higher enhancement factor in PECARS. The current work provides new insight into the mechanism of plasmon-enhanced coherent Raman scattering and helps to optimize the experimental design for ultrasensitive chemical imaging.
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Affiliation(s)
- Cheng Zong
- Department of Electrical and Computer Engineering, Boston University, Boston, Massachusetts 02215, USA
| | - Yurun Xie
- State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
| | - Meng Zhang
- Department of Electrical and Computer Engineering, Boston University, Boston, Massachusetts 02215, USA
| | - Yimin Huang
- Department of Chemistry, Boston University, Boston, Massachusetts 02215, USA
| | | | - Ji-Xin Cheng
- Author to whom correspondence should be addressed:
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44
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Vinogradov AP, Shishkov VY, Doronin IV, Andrianov ES, Pukhov AA, Lisyansky AA. Quantum theory of Rayleigh scattering. OPTICS EXPRESS 2021; 29:2501-2520. [PMID: 33726444 DOI: 10.1364/oe.412852] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 12/29/2020] [Indexed: 06/12/2023]
Abstract
We suggest a quantum description of Rayleigh light scattering on atoms. We show that an entangled state of the excited atom and the incident photon is formed during the scattering. Due to entanglement, a photon is never completely absorbed by the atom. The formation of the scattering spectrum is considered as a relaxation of incident photons to the reservoir of free space modes that are in thermal equilibrium. Additional excitations of the reservoir modes occurring during scattering are treated as scattered light. We show that even if the frequency of incident photons is incommensurate with an atomic transition frequency, the scattered light spectrum has a maximum at the frequency of incident photons. In addition, the linewidth of the scattered light is much smaller than that of the spontaneous emission of a single atom. Therefore, the process can be considered as elastic.
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45
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Zhao T, Knappenberger KL. Advances in multi-dimensional super-resolution nonlinear optical microscopy. ADVANCES IN PHYSICS: X 2021. [DOI: 10.1080/23746149.2021.1964378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022] Open
Affiliation(s)
- Tian Zhao
- Department Of Chemistry, The Pennsylvania State University, University Park, Pennsylvania, United States
| | - Kenneth L. Knappenberger
- Department Of Chemistry, The Pennsylvania State University, University Park, Pennsylvania, United States
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46
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Laser spectroscopic technique for direct identification of a single virus I: FASTER CARS. Proc Natl Acad Sci U S A 2020; 117:27820-27824. [PMID: 33093197 PMCID: PMC7668096 DOI: 10.1073/pnas.2013169117] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
Surface features of a virus are very important in determining its virility. For example, the spike protein of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) binds to the ACE2 receptor site of the host cell with a much stronger affinity than did the original SARS virus. Thus, it is clearly important to understand the virion surface structure. To that end, the present paper combines the spatial resolution of atomic force microscopy and the spectral resolution of coherent Raman spectroscopy. This combination of tip-enhanced microscopy using femtosecond adaptive spectroscopic techniques for coherent anti-Stokes Raman scattering (FAST CARS) with enhanced resolution (FASTER CARS) allows us to map a single virus particle with nanometer resolution and chemical specificity. From the famous 1918 H1N1 influenza to the present COVID-19 pandemic, the need for improved viral detection techniques is all too apparent. The aim of the present paper is to show that identification of individual virus particles in clinical sample materials quickly and reliably is near at hand. First of all, our team has developed techniques for identification of virions based on a modular atomic force microscopy (AFM). Furthermore, femtosecond adaptive spectroscopic techniques with enhanced resolution via coherent anti-Stokes Raman scattering (FASTER CARS) using tip-enhanced techniques markedly improves the sensitivity [M. O. Scully, et al., Proc. Natl. Acad. Sci. U.S.A. 99, 10994–11001 (2002)].
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Du Z, Qi Y, He J, Zhong D, Zhou M. Recent advances in applications of nanoparticles in SERS in vivo imaging. WILEY INTERDISCIPLINARY REVIEWS-NANOMEDICINE AND NANOBIOTECHNOLOGY 2020; 13:e1672. [PMID: 33073511 DOI: 10.1002/wnan.1672] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 08/14/2020] [Accepted: 08/23/2020] [Indexed: 12/22/2022]
Abstract
Surface-enhanced Raman scattering (SERS) technique has been regarded as one of the most important research methods in the field of single-molecule science. Since the previous decade, the application of nanoparticles for in vivo SERS imaging becomes the focus of research. To enhance the performance of SERS imaging, researchers have developed several SERS nanotags such as gold nanostars, copper-based nanomaterials, semiconducting quantum dots, and so on. The development of Raman equipment is also necessary owing to the current limitations. This review describes the recent advances of SERS nanoparticles and their applications for in vivo imaging in detail. Specific examples highlighting the in vivo cancer imaging and treatment application of SERS nanoparticles. A perspective on the challenges and opportunities of nanoparticles in SERS in vivo imaging is also provided. This article is categorized under: Diagnostic Tools > in vivo Nanodiagnostics and Imaging Therapeutic Approaches and Drug Discovery > Nanomedicine for Oncologic Disease.
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Affiliation(s)
- Zhen Du
- The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, China
| | - Yuchen Qi
- The Institute of Translational Medicine, Zhejiang University, Hangzhou, China
| | - Jian He
- The Institute of Translational Medicine, Zhejiang University, Hangzhou, China
| | - Danni Zhong
- The Institute of Translational Medicine, Zhejiang University, Hangzhou, China
| | - Min Zhou
- The Fourth Affiliated Hospital, Zhejiang University School of Medicine, Yiwu, China.,The Institute of Translational Medicine, Zhejiang University, Hangzhou, China
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Zhou H, Su S, Ma H, Zhao Z, Lin Z, Qiu W, Qiu P, Huang B, Kan Q. Chiral graphene plasmonic Archimedes' spiral nanostructure with tunable circular dichroism and enhanced sensing performance. OPTICS EXPRESS 2020; 28:31954-31966. [PMID: 33115159 DOI: 10.1364/oe.403041] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 09/27/2020] [Indexed: 06/11/2023]
Abstract
Circular dichroism spectroscopy is frequently used to characterize the chiral biomolecules by measuring the absorption spectra contrast between the left-handed circularly polarized light and the right-handed circularly polarized light. Compared with biomolecules, chiral metal plasmonic nanostructures also produce a strong circular dichroism response in the range of near-infrared. However, due to the large damping rate, the non-adjustable resonant frequency of the conventional metals, the applications of chiral metal plasmonic nanostructures in the fields of photoelectric detection and chemical and biochemical sensing are restricted. Here, we present a chiral graphene plasmonic Archimedes' spiral nanostructure that displays a significant circular dichroism response under the excitation of two polarizations of circularly polarized light. By manipulating the material and geometric parameters of the Archimedes' spiral, the stronger circular dichroism responses and modulation of the resonant wavelength are achieved. The optimized plasmonic nanostructure has outstanding refractive index sensing performance, where the sensitivity and figure of merit reach 7000nm/RIU and 68.75, respectively. Our proposed chiral graphene plasmonic Archimedes' spiral nanostructure might find potential applications in the fields of optical detection and high performance of index sensing.
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Sun Q, Zu S, Misawa H. Ultrafast photoemission electron microscopy: Capability and potential in probing plasmonic nanostructures from multiple domains. J Chem Phys 2020; 153:120902. [DOI: 10.1063/5.0013659] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Affiliation(s)
- Quan Sun
- Research Institute for Electronic Science, Hokkaido University, Sapporo 001-0021, Japan
| | - Shuai Zu
- Research Institute for Electronic Science, Hokkaido University, Sapporo 001-0021, Japan
| | - Hiroaki Misawa
- Research Institute for Electronic Science, Hokkaido University, Sapporo 001-0021, Japan
- Center for Emergent Functional Matter Science, National Chiao Tung University, Hsinchu 30010, Taiwan
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Feng Y, Gao M, Wang Y, Yang Z, Meng L. Surface and coherent contributions of plasmon fields to ultraviolet tip-enhanced coherent anti-Stokes Raman scattering. NANOTECHNOLOGY 2020; 31:395204. [PMID: 32541105 DOI: 10.1088/1361-6528/ab9cf8] [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
Design of plasmonic substrates is of immense importance for high sensitivity and spatial resolution in plasmon-enhanced spectroscopy. In this study, the enhancement factors (EFs) of tip-enhanced coherent anti-Stokes Raman scattering (TECARS) contributed by surface and quantum coherent effects in the ultraviolet region are theoretically analyzed using three-dimensional finite-difference time-domain (3D-FDTD) method. In the multi-resonant TECARS configuration, surface and coherent EFs of 1018 and 109, respectively, can be achieved by considering the synthetic effect of surface and coherent enhancement mechanisms, providing the total TECARS EF of 1027 and sub-5 nm spatial resolution. Our theoretical results not only provide a deeper understanding of ultraviolet (UV)-TECARS but also can be used as a highly efficient reference for the experimental design of TECARS platform.
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Affiliation(s)
- Yanting Feng
- School of Physics and Physical Engineering, Qufu Normal University, Qufu 273165, People's Republic of China
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