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Zhao J, Zhu J, Wang W, Qian Z, Fan S. CRISPR/Cas12a cleavage triggered nanoflower for fluorescence-free and target amplification-free biosensing of ctDNA in the terahertz frequencies. BIOMEDICAL OPTICS EXPRESS 2024; 15:5400-5410. [PMID: 39296404 PMCID: PMC11407253 DOI: 10.1364/boe.534511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/01/2024] [Revised: 08/13/2024] [Accepted: 08/13/2024] [Indexed: 09/21/2024]
Abstract
The detection of tumor biomarkers in liquid biopsies requires high sensitivity and low-cost biosensing strategies. However, few traditional techniques can satisfy the requirements of target amplification-free and fluorescence-free at the same time. In this study, we have proposed a novel strategy for ctDNA detection with the combination of terahertz spectroscopy and the CRISPR/Cas12 system. The CRISPR/Cas12a system is activated by the target ctDNA, resulting in a series of reactions leading to the formation of an Au-Fe complex. This complex is easily extracted with magnets and when dropped onto the terahertz metamaterial sensor, it can enhance the frequency shift, providing sensitive and selective sensing of the target ctDNA. Results show that the proposed terahertz biosensor exhibits a relatively low detection limit of 0.8 fM and a good selectivity over interference species. This detection limit is improved by three orders of magnitude compared with traditional biosensing methods using terahertz waves. Furthermore, a ctDNA concentration of 100 fM has been successfully detected in bovine serum (corresponding to 50 fM in the final reaction system) without amplification.
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Affiliation(s)
- Jingjing Zhao
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University , Shenzhen 518060, China
| | - Jianfang Zhu
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University , Shenzhen 518060, China
| | - Weiqiang Wang
- Institute of Health Sciences and Technology, Institutes of Material Science and Information Technology, Anhui University, Hefei 230601, China
| | - Zhengfang Qian
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University , Shenzhen 518060, China
| | - Shuting Fan
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Physics and Optoelectronic Engineering, Shenzhen University , Shenzhen 518060, China
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2
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Shamim S, Mohsin AS, Rahman MM, Hossain Bhuian MB. Recent advances in the metamaterial and metasurface-based biosensor in the gigahertz, terahertz, and optical frequency domains. Heliyon 2024; 10:e33272. [PMID: 39040247 PMCID: PMC11260956 DOI: 10.1016/j.heliyon.2024.e33272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2024] [Revised: 06/17/2024] [Accepted: 06/18/2024] [Indexed: 07/24/2024] Open
Abstract
Recently, metamaterials and metasurface have gained rapidly increasing attention from researchers due to their extraordinary optical and electrical properties. Metamaterials are described as artificially defined periodic structures exhibiting negative permittivity and permeability simultaneously. Whereas metasurfaces are the 2D analogue of metamaterials in the sense that they have a small but not insignificant depth. Because of their high optical confinement and adjustable optical resonances, these artificially engineered materials appear as a viable photonic platform for biosensing applications. This review paper discusses the recent development of metamaterial and metasurface in biosensing applications based on the gigahertz, terahertz, and optical frequency domains encompassing the whole electromagnetic spectrum. Overlapping features such as material selection, structure, and physical mechanisms were considered during the classification of our biosensing applications. Metamaterials and metasurfaces working in the GHz range provide prospects for better sensing of biological samples, THz frequencies, falling between GHz and optical frequencies, provide unique characteristics for biosensing permitting the exact characterization of molecular vibrations, with an emphasis on molecular identification, label-free analysis, and imaging of biological materials. Optical frequencies on the other hand cover the visible and near-infrared regions, allowing fine regulation of light-matter interactions enabling metamaterials and metasurfaces to offer excellent sensitivity and specificity in biosensing. The outcome of the sensor's sensitivity to an electric or magnetic field and the resonance frequency are, in theory, determined by the frequency domain and features. Finally, the challenges and possible future perspectives in biosensing application areas have been presented that use metamaterials and metasurfaces across diverse frequency domains to improve sensitivity, specificity, and selectivity in biosensing applications.
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Affiliation(s)
- Shadmani Shamim
- Department of Electrical and Electronic Engineering, Optics and Photonics Research Group, BRAC University, Kha 224 Bir Uttam Rafiqul Islam Avenue, Merul Badda, Dhaka 1212, Bangladesh
| | - Abu S.M. Mohsin
- Department of Electrical and Electronic Engineering, Optics and Photonics Research Group, BRAC University, Kha 224 Bir Uttam Rafiqul Islam Avenue, Merul Badda, Dhaka 1212, Bangladesh
| | - Md. Mosaddequr Rahman
- Department of Electrical and Electronic Engineering, Optics and Photonics Research Group, BRAC University, Kha 224 Bir Uttam Rafiqul Islam Avenue, Merul Badda, Dhaka 1212, Bangladesh
| | - Mohammed Belal Hossain Bhuian
- Department of Electrical and Electronic Engineering, Optics and Photonics Research Group, BRAC University, Kha 224 Bir Uttam Rafiqul Islam Avenue, Merul Badda, Dhaka 1212, Bangladesh
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3
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Yu W, Li J, Huang G, He Z, Tian H, Xie F, Jin W, Huang Q, Fu W, Yang X. Rapid and sensitive detection of Staphylococcus aureus using a THz metamaterial biosensor based on aptamer-functionalized Fe 3O 4@Au nanocomposites. Talanta 2024; 272:125760. [PMID: 38364563 DOI: 10.1016/j.talanta.2024.125760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 01/19/2024] [Accepted: 02/06/2024] [Indexed: 02/18/2024]
Abstract
Staphylococcus aureus (S. aureus) poses a serious threat to global public health, necessitating the establishment of rapid and simple tools for its accurate identification. Herein, we developed a terahertz (THz) metamaterial biosensor based on aptamer-functionalized Fe3O4@Au nanocomposites for quantitative S. aureus assays in different clinical samples. Fe3O4@Au@Cys@Apt has the dual advantages of magnetism and a high refractive index in the THz range and was used to rapidly separate and enrich target bacteria in a complex environmental solution. Furthermore, conjugation to the nanocomposites significantly increased the resonance frequency shift of the THz metamaterial after target loading. Our results showed that the shifts in the metamaterial resonance frequency were linearly related to S. aureus concentrations ranging from 1.0 × 103 to 1.0 × 107 CFU/mL, with a detection limit of 4.78 × 102 CFU/mL. The biosensor was further applied to S. aureus detection in spiked human urine and blood with satisfactory recoveries (82.4-109.6%). Our approach also demonstrated strong concordance with traditional plate counting (R2 = 0.99306) while significantly lowering the analysis time from 24 h to <1 h. In conclusion, the proposed biosensor can not only perform culture-free and extraction-free detection of target bacteria but can also be easily extended to the determination of other pathogenic bacteria, rendering it suitable for various bacteria-related disease diagnoses.
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Affiliation(s)
- Wenjing Yu
- Department of Laboratory Medicine, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Jining Li
- Institute of Laser and Opto-electronics, School of Precision Instrument and Opto-electronics Engineering, Tianjin University, Tianjin, 300072, China
| | - Guorong Huang
- Department of Laboratory Medicine, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Zhe He
- Department of Laboratory Medicine, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Huiyan Tian
- Department of Laboratory Medicine, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Fengxin Xie
- Department of Laboratory Medicine, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Weidong Jin
- Department of Laboratory Medicine, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China
| | - Qing Huang
- Department of Laboratory Medicine, Daping Hospital, Army Medical University (Third Military Medical University), Chongqing, 400042, China.
| | - Weiling Fu
- Department of Laboratory Medicine, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China.
| | - Xiang Yang
- Department of Laboratory Medicine, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, 400038, China.
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Yin J, Xie L. Highly selective chiral molecules detection by terahertz SWNT-based metamaterials. Talanta 2024; 266:124907. [PMID: 37478762 DOI: 10.1016/j.talanta.2023.124907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 06/28/2023] [Accepted: 07/01/2023] [Indexed: 07/23/2023]
Abstract
The selectively effective behavior of chiral molecules may have deleterious consequences on nontarget organisms and the surrounding ecosystem. Therefore, detecting enantiomers in minute concentrations is essential to prevent undesired side effects. The majority of approaches, including chiral coupling in the shortwave band with sophisticated fabrication and eluting molecules based on the time signal, are incapable of achieving rapid chiral detection. In this study, we use chemically modified single-wall carbon nanotubes (SWNT) as metamaterials to increase sensitivity in the THz region while using it as the chiral stationary phase to selectively bundle one of two enantiomers. We identify chiral molecules by detecting the optical response of chemically modified SWNT-based metamaterials. The measured spectra, in particular, show very selective indications in the spectral region directly associated with distinct chiral responses, which is caused by the difference in binding forces between chemically modified SWNTs and chiral molecules. In addition, we demonstrated that the desired resonance for aqueous sensing was enveloped resonance as opposed to that with a high quality factor, which was sought for drip-dry detection. Our findings provide a simple platform for highly selectively sensing chiral compounds.
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Affiliation(s)
- Jifan Yin
- School of Biosystems Engineering, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China; Key Laboratory of Intelligent Equipment and Robotics for Agriculture of Zhejiang Province, 866 Yuhangtang Road, Hangzhou, 310058, China
| | - Lijuan Xie
- School of Biosystems Engineering, Zhejiang University, 866 Yuhangtang Road, Hangzhou, 310058, China; Key Laboratory of Intelligent Equipment and Robotics for Agriculture of Zhejiang Province, 866 Yuhangtang Road, Hangzhou, 310058, China.
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5
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Yan D, Cui J, Li X, Zhang L, Li J, Lu W. Enhancement of wide-band trace terahertz absorption spectroscopy based on microstructures: a review. Phys Chem Chem Phys 2023; 25:31542-31553. [PMID: 37982714 DOI: 10.1039/d3cp04746f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2023]
Abstract
Research on the interaction between nanoscale materials and light holds significant scientific significance for the development of fields such as optoelectronic conversion and biosensing. The study of micro- and nano-optics has produced numerous outstanding research achievements by utilizing the dielectric optical coupling mechanism and plasmon effects to enhance the interaction between light and matter. These findings have demonstrated tremendous potential for applications in the field of molecular fingerprint sensing. This review focuses on a retrospective analysis of recent research studies in the enhancement of wide-band trace terahertz absorption spectroscopy. The physical mechanisms of using waveguide structures, dielectric metasurfaces/meta-gratings, and spoof surface plasmon polaritons (SSPs) to improve the interaction between light and trace-amount matters are introduced. The new approaches and methods for enhancing broad-band terahertz absorption spectroscopy of trace samples using microstructure designs are discussed. Additionally, we elucidate the scientific ideas and exploratory achievements in enhancing terahertz fingerprint spectroscopy detection. Finally, we provide an outlook on the research and development direction and potential practical applications of absorption spectroscopy enhancement detection.
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Affiliation(s)
- Dexian Yan
- Centre for THz Research, China Jiliang University, Hangzhou 310018, Zhejiang, China.
- Key Laboratory of Electromagnetic Wave Information Technology and Metrology of Zhejiang Province, College of Information Engineering, China Jiliang University, Hangzhou 310018, Zhejiang, China
| | - Jing Cui
- Centre for THz Research, China Jiliang University, Hangzhou 310018, Zhejiang, China.
- Key Laboratory of Electromagnetic Wave Information Technology and Metrology of Zhejiang Province, College of Information Engineering, China Jiliang University, Hangzhou 310018, Zhejiang, China
| | - Xiangjun Li
- Centre for THz Research, China Jiliang University, Hangzhou 310018, Zhejiang, China.
- Key Laboratory of Electromagnetic Wave Information Technology and Metrology of Zhejiang Province, College of Information Engineering, China Jiliang University, Hangzhou 310018, Zhejiang, China
| | - Le Zhang
- Centre for THz Research, China Jiliang University, Hangzhou 310018, Zhejiang, China.
- Key Laboratory of Electromagnetic Wave Information Technology and Metrology of Zhejiang Province, College of Information Engineering, China Jiliang University, Hangzhou 310018, Zhejiang, China
| | - Jining Li
- College of Precision Instrument and Optoelectronic Engineering, Tianjin University, Tianjin 300072, China
| | - Wenxin Lu
- College of Information and Communication, National University of Defense Technology, Wuhan, 430010, Hubei, China
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6
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Deng Y, Zhang Y, Zhou M, Wu B, Zhou J. Application of Biosensors in Detecting Breast Cancer Metastasis. SENSORS (BASEL, SWITZERLAND) 2023; 23:8813. [PMID: 37960513 PMCID: PMC10649164 DOI: 10.3390/s23218813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 10/19/2023] [Accepted: 10/26/2023] [Indexed: 11/15/2023]
Abstract
Breast cancer has garnered global attention due to its high incidence worldwide, and even more noteworthy is that approximately 90% deaths due to breast cancer are attributed to cancer metastasis. Therefore, the early diagnosis of breast cancer metastasis holds significant importance for reducing mortality outcomes. Biosensors play a crucial role in the early detection of metastatic breast cancer due to their advantages, such as ease of use, portability, and real-time analysis capabilities. This review primarily described various types of sensors for detecting breast cancer metastasis based on biomarkers and cell characteristics, including electrochemical, optical, and microfluidic chips. We offered detailed descriptions of the performance of these various biosensors and made comparisons between them. Furthermore, we described the pathology of breast cancer and summarized commonly used biomarkers for metastatic breast cancer. Finally, we discussed the advantages of current-stage biosensors and the challenges that need to be addressed, as well as prospects for their future development.
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Affiliation(s)
- Yu Deng
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Yubi Zhang
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Meng Zhou
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
| | - Bin Wu
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jing Zhou
- Department of Breast and Thyroid Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
- Department of Breast and Thyroid Surgery, People’s Hospital of Dongxihu District Wuhan City and Union Dongxihu Hospital, Huazhong University of Science and Technology, Wuhan 430040, China
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7
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Yari P, Liang S, Chugh VK, Rezaei B, Mostufa S, Krishna VD, Saha R, Cheeran MCJ, Wang JP, Gómez-Pastora J, Wu K. Nanomaterial-Based Biosensors for SARS-CoV-2 and Future Epidemics. Anal Chem 2023; 95:15419-15449. [PMID: 37826859 DOI: 10.1021/acs.analchem.3c01522] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2023]
Affiliation(s)
- Parsa Yari
- Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, Texas 79409, United States
| | - Shuang Liang
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Vinit Kumar Chugh
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Bahareh Rezaei
- Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, Texas 79409, United States
| | - Shahriar Mostufa
- Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, Texas 79409, United States
| | - Venkatramana Divana Krishna
- Department of Veterinary Population Medicine, University of Minnesota, St. Paul, Minnesota 55108, United States
| | - Renata Saha
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Maxim C-J Cheeran
- Department of Veterinary Population Medicine, University of Minnesota, St. Paul, Minnesota 55108, United States
| | - Jian-Ping Wang
- Department of Chemical Engineering and Materials Science, University of Minnesota, Minneapolis, Minnesota 55455, United States
- Department of Electrical and Computer Engineering, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Jenifer Gómez-Pastora
- Department of Chemical Engineering, Texas Tech University, Lubbock, Texas 79409, United States
| | - Kai Wu
- Department of Electrical and Computer Engineering, Texas Tech University, Lubbock, Texas 79409, United States
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8
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Stephen Li M, Tanyi Ako R, Sriram S, Fumeaux C, Withayachumnankul W. Terahertz metasurface for near-field beam conversion. OPTICS LETTERS 2023; 48:2202-2205. [PMID: 37058677 DOI: 10.1364/ol.487468] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Accepted: 03/21/2023] [Indexed: 06/19/2023]
Abstract
A uniform illumination over a screen is crucial for terahertz imaging. As such, conversion from a Gaussian beam to a flattop beam becomes necessary. Most of the current beam conversion techniques rely on bulky multi-lens systems for collimated input and operate in the far-field. We present a single metasurface lens to efficiently convert a quasi-Gaussian beam from the near-field region of a WR-3.4 horn antenna to a flattop beam. The design process is divided into three sections to minimize simulation time, and the conventional Gerchberg-Saxton (GS) algorithm is supplemented with the Kirchhoff-Fresnel diffraction equation. Experimental validation confirms that a flattop beam with an efficiency of 80% has been achieved at 275 GHz. Such high-efficiency conversion is desirable for practical terahertz systems and the design approach can be generally used for beam shaping in the near-field.
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Zhang F, Wang X, Zhang T, Zhang Z, Gao X, Li Y. Rapid Detection of SARS-CoV-2 Spike RBD Protein in Body Fluid: Based on Special Calcium Ion-Mediated Gold Nanoparticles Modified by Bromide Ions. J Phys Chem Lett 2023; 14:88-94. [PMID: 36573843 PMCID: PMC9843627 DOI: 10.1021/acs.jpclett.2c03069] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Accepted: 12/22/2022] [Indexed: 06/17/2023]
Abstract
The receptor-binding domain of the SARS-CoV-2 spike mediates the key to binding the virus to the host receptor, but capturing the molecular signal of this spike RBD remains a formidable challenge. Here, we report a new surface-enhanced Raman spectroscopy (SERS) approach, which used gold nanoparticles prepared by low-speed constant-temperature centrifugation by bromine and calcium ions in two cleaning steps as the enhanced substrate to rapidly and accurately detect spike RBD large protein molecules in body fluids. The detection signal was extremely stable, and the orientation of the spike RBD on the enhanced substrate surface was also determined. This approach was specific in distinguishing different SARS-CoV-2 variants of spike RBD, including Delta, Beta, Gamma, and Omicron. Additionally, the enhanced substrate can identify biologically active or inactive spike RBD. This two-step cleaning enhanced substrate opens up opportunities not only for early diagnostics of SARS-CoV-2 virus but also for developing targeted drugs against viruses.
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Affiliation(s)
- Fenghai Zhang
- Institute
of Physics, Guizhou University, No. 2708, South Section of Huaxi
Avenue, Guiyang City, 550025Guizhou Province, China
| | - Xiaotong Wang
- College
of Pharmacy, Harbin Medical University, No. 157, Baojian Road, Nangang District, Harbin City, 150081Heilongjiang Province, China
| | - Ting Zhang
- College
of Pharmacy, Harbin Medical University, No. 157, Baojian Road, Nangang District, Harbin City, 150081Heilongjiang Province, China
| | - Zhe Zhang
- College
of Pharmacy, Harbin Medical University, No. 157, Baojian Road, Nangang District, Harbin City, 150081Heilongjiang Province, China
| | - Xin Gao
- Institute
of Physics, Guizhou University, No. 2708, South Section of Huaxi
Avenue, Guiyang City, 550025Guizhou Province, China
| | - Yang Li
- Institute
of Physics, Guizhou University, No. 2708, South Section of Huaxi
Avenue, Guiyang City, 550025Guizhou Province, China
- College
of Pharmacy, Harbin Medical University, No. 157, Baojian Road, Nangang District, Harbin City, 150081Heilongjiang Province, China
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10
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Recent progress in terahertz biosensors based on artificial electromagnetic subwavelength structure. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116888] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Han Y, Bian X, Liang M, Li T, Zhu L, Zhao X, You R. Terahertz Enhanced Sensing of Uric Acid Based on Metallic Slot Array Metamaterial. MICROMACHINES 2022; 13:1902. [PMID: 36363923 PMCID: PMC9694246 DOI: 10.3390/mi13111902] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 10/26/2022] [Accepted: 10/31/2022] [Indexed: 06/16/2023]
Abstract
An enzyme-free terahertz uric acid sensor based on a metallic slot array metamaterial was proposed and realized both theoretically and experimentally. The sensing model was verified in simulation and femtosecond laser processing technology was employed to ablate slots in the copper plate to fabricate metamaterials. Analytes were tested with liquid phase deposition on the metamaterial by a terahertz frequency domain spectroscopy system. Gradient concentrations of uric acid, ascorbic acid, and a mixture of them were measured separately with a good linear response. A significant decrease in sensitivity was observed in the ascorbic acid assay compared with the uric acid assay. The test results of the mixture also proved that our device is resistant to ascorbic acid. It is a simple and effective method for monitoring uric acid concentrations and the strategy of eliminating interference while modulating the resonance peak location mentioned here can be rationally projected for the development of other sensors.
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Affiliation(s)
- Yuke Han
- Key Laboratory of the Ministry of Education for Optoelectronic Measurement Technology and Instrument, Beijing Information Science and Technology University, Beijing 100015, China
| | - Xiaomeng Bian
- Key Laboratory of the Ministry of Education for Optoelectronic Measurement Technology and Instrument, Beijing Information Science and Technology University, Beijing 100015, China
| | - Misheng Liang
- Key Laboratory of the Ministry of Education for Optoelectronic Measurement Technology and Instrument, Beijing Information Science and Technology University, Beijing 100015, China
| | - Tianshu Li
- Key Laboratory of the Ministry of Education for Optoelectronic Measurement Technology and Instrument, Beijing Information Science and Technology University, Beijing 100015, China
| | - Lianqing Zhu
- Key Laboratory of the Ministry of Education for Optoelectronic Measurement Technology and Instrument, Beijing Information Science and Technology University, Beijing 100015, China
- Beijing Advanced Innovation Center for Integrated Circuits, Beijing 100084, China
| | - Xiaoguang Zhao
- Department of Precision Instrument, Tsinghua University, Beijing 100084, China
| | - Rui You
- Key Laboratory of the Ministry of Education for Optoelectronic Measurement Technology and Instrument, Beijing Information Science and Technology University, Beijing 100015, China
- Beijing Advanced Innovation Center for Integrated Circuits, Beijing 100084, China
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Sun K, Li J, Ge L, Zhong K, Wang Y, Xu D, Yang X, Fu W, Yao J. Graphene-enhanced hybrid terahertz metasurface sensor for ultrasensitive nortriptyline sensing and detection. OPTICS EXPRESS 2022; 30:35749-35758. [PMID: 36258519 DOI: 10.1364/oe.470772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Accepted: 09/05/2022] [Indexed: 06/16/2023]
Abstract
Graphene is a two-dimensional material with unique physical and chemical properties, whose excellent biocompatibility has also attracted widespread attention in the field of biosensing and medical detection. Graphene provides a novel solution for dramatically improving the sensitivity of terahertz metasurface sensors, since the electrical conductivity can be modified by contact with biomolecules. In this paper, a metal-graphene hybrid metasurface is proposed and demonstrated for high-sensitive nortriptyline sensing based on the plasmon-induced transparency (PIT) resonances. The π-π stacks between nortriptyline and graphene lead to an increase in the Fermi level of graphene and a decrease in the conductivity, thus enhancing the PIT resonance. Experimental results show that the peak-to-peak amplitude magnitude of the PIT window is enhanced up to 3.4-fold with 1 ng nortriptyline analyte, and the minimum detection limit is extended down to 0.1 ng. But no significant change is observed from the samples without graphene as a comparative experiment, which demonstrates that the presence of graphene greatly enhances the bonding to the drug molecules and improves the sensing sensitivity. This metasurface sensor has the advantages of high sensitivity, fast detection speed, label-free and steady properties, which has potential applications in the fields of trace molecular sensing and disease diagnosis.
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Tabassum S, Nayemuzzaman SK, Kala M, Kumar Mishra A, Mishra SK. Metasurfaces for Sensing Applications: Gas, Bio and Chemical. SENSORS (BASEL, SWITZERLAND) 2022; 22:s22186896. [PMID: 36146243 PMCID: PMC9504383 DOI: 10.3390/s22186896] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Revised: 08/22/2022] [Accepted: 08/23/2022] [Indexed: 05/11/2023]
Abstract
Performance of photonic devices critically depends upon their efficiency on controlling the flow of light therein. In the recent past, the implementation of plasmonics, two-dimensional (2D) materials and metamaterials for enhanced light-matter interaction (through concepts such as sub-wavelength light confinement and dynamic wavefront shape manipulation) led to diverse applications belonging to spectroscopy, imaging and optical sensing etc. While 2D materials such as graphene, MoS2 etc., are still being explored in optical sensing in last few years, the application of plasmonics and metamaterials is limited owing to the involvement of noble metals having a constant electron density. The capability of competently controlling the electron density of noble metals is very limited. Further, due to absorption characteristics of metals, the plasmonic and metamaterial devices suffer from large optical loss. Hence, the photonic devices (sensors, in particular) require that an efficient dynamic control of light at nanoscale through field (electric or optical) variation using substitute low-loss materials. One such option may be plasmonic metasurfaces. Metasurfaces are arrays of optical antenna-like anisotropic structures (sub-wavelength size), which are designated to control the amplitude and phase of reflected, scattered and transmitted components of incident light radiation. The present review put forth recent development on metamaterial and metastructure-based various sensors.
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Affiliation(s)
- Shawana Tabassum
- Electrical Engineering, The University of Texas at Tyler, Tyler, TX 75799, USA
| | - SK Nayemuzzaman
- Electrical Engineering, The University of Texas at Tyler, Tyler, TX 75799, USA
| | - Manish Kala
- Department of Physics, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Akhilesh Kumar Mishra
- Department of Physics, Indian Institute of Technology Roorkee, Roorkee 247667, India
| | - Satyendra Kumar Mishra
- Centre of Optics and Photonics (COPL), University of Laval, Quebec, QC G1V 0A6, Canada
- Correspondence:
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Organometallic hotspot engineering for ultrasensitive EC-SERS detection of pathogenic bacteria-derived DNAs. Biosens Bioelectron 2022; 210:114325. [DOI: 10.1016/j.bios.2022.114325] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 04/04/2022] [Accepted: 04/23/2022] [Indexed: 11/18/2022]
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Detection of Polystyrene Microplastic Particles in Water Using Surface-Functionalized Terahertz Microfluidic Metamaterials. APPLIED SCIENCES-BASEL 2022. [DOI: 10.3390/app12147102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/10/2022]
Abstract
We propose a novel method for detecting microplastic particles in water using terahertz metamaterials. Fluidic channels are employed to flow the water, containing polystyrene spheres, on the surface of the metamaterials. Polystyrene spheres are captured only near the gap structure of the metamaterials as the gap areas are functionalized. The resonant frequency of terahertz metamaterials increased while we circulated the microplastic solution, as polystyrene spheres in the solution are attached to the metamaterial gap areas, which saturates at a specific frequency as the gap areas are filled by the polystyrene spheres. Experimental results were revisited and supported by finite-difference time-domain simulations. We investigated how this method can be used for the detection of microplastics with various solution densities. The saturation time of the resonant frequency shift was found to decrease, while the saturated resonant frequency shift increased as the solution density increased.
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Bistaffa MJ, Camacho SA, Pazin WM, Constantino CJL, Oliveira ON, Aoki PHB. Immunoassay platform with surface-enhanced resonance Raman scattering for detecting trace levels of SARS-CoV-2 spike protein. Talanta 2022; 244:123381. [PMID: 35364338 PMCID: PMC8928707 DOI: 10.1016/j.talanta.2022.123381] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Revised: 03/06/2022] [Accepted: 03/11/2022] [Indexed: 12/15/2022]
Abstract
The early diagnosis of Coronavirus disease (COVID-19) requires either an accurate detection of genetic material or a sensitive detection of viral proteins. In this work, we designed an immunoassay platform for detecting trace levels of SARS-CoV-2 spike (S) protein. It is based on surface-enhanced resonance Raman scattering (SERRS) of methylene blue (MB) adsorbed onto spherical gold nanoparticles (AuNPs) and coated with a 6 nm silica shell. The latter shell in the SERRS nanoprobe prevented aggregation and permitted functionalization with SARS-CoV-2 antibodies. Specificity of the immunoassay was achieved by combining this functionalization with antibody immobilization on the cover slides that served as the platform support. Different concentrations of SARS-CoV-2 antigen could be distinguished and the lack of influence of interferents was confirmed by treating SERRS data with the multidimensional projection technique Sammon's mapping. With SERRS using a laser line at 633 nm, the lowest concentration of spike protein detected was 10 pg/mL, achieving a limit of detection (LOD) of 0.046 ng/mL (0.60 pM). This value is comparable to the lowest concentrations in the plasma of COVID-19 patients at the onset of symptoms, thus indicating that the SERRS immunoassay platform may be employed for early diagnosis.
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Affiliation(s)
- Maria J Bistaffa
- São Paulo State University (UNESP), School of Sciences, Humanities and Languages, Assis, SP, 19806-900, Brazil
| | - Sabrina A Camacho
- São Paulo State University (UNESP), School of Sciences, Humanities and Languages, Assis, SP, 19806-900, Brazil; IFSC, São Carlos Institute of Physics, University of São Paulo (USP), São Carlos, SP, 13566-590, Brazil.
| | - Wallance M Pazin
- IFSC, São Carlos Institute of Physics, University of São Paulo (USP), São Carlos, SP, 13566-590, Brazil; São Paulo State University (UNESP), School of Technology and Applied Sciences, 19060-900, Presidente Prudente, SP, Brazil
| | - Carlos J L Constantino
- São Paulo State University (UNESP), School of Technology and Applied Sciences, 19060-900, Presidente Prudente, SP, Brazil
| | - Osvaldo N Oliveira
- IFSC, São Carlos Institute of Physics, University of São Paulo (USP), São Carlos, SP, 13566-590, Brazil
| | - Pedro H B Aoki
- São Paulo State University (UNESP), School of Sciences, Humanities and Languages, Assis, SP, 19806-900, Brazil
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