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Li Z, Xie M, Nie G, Wang J, Huang L. Pushing Optical Virus Detection to a Single Particle through a High- Q Quasi-bound State in the Continuum in an All-dielectric Metasurface. J Phys Chem Lett 2023; 14:10762-10768. [PMID: 38010952 DOI: 10.1021/acs.jpclett.3c02763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
Bound states in the continuum (BICs) have emerged as a powerful platform for boosting light-matter interactions because they provide an alternative way of realizing optical resonances with ultrahigh quality factors, accompanied by extreme field confinement. In this work, we realized an optical biosensor by harnessing a quasi-BIC (qBIC) supported by an all-dielectric metasurface with broken symmetry, whose unit cell is composed of a silicon cuboid with two asymmetric air holes. Thanks to the excellent field confinement within the air gap of a metasurface enabled by such a high-Q qBIC, the figure of merit (FOM) of the biosensor is up to 2136.35 RIU-1. Futhermore, we demonstrated that such a high-Q metasurface can push the detection limit to a few virus particles. Our results may find exciting applications in extreme biochemical sensing like COVID-19 with ultralow concentrations.
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Affiliation(s)
- Zonglin Li
- School of Physics and Electronic Science, Hunan University of Science and Technology, Xiangtan 411201, Hunan, China
- Hunan Provincial Key Laboratory of Intelligent Sensors and New Sensor Materials, Xiangtan 411201, Hunan, China
| | - Mingxin Xie
- School of Microelectronics and Physics, Hunan University of Technology and Business, Changsha 410205, China
| | - Guozheng Nie
- School of Physics and Electronic Science, Hunan University of Science and Technology, Xiangtan 411201, Hunan, China
- Hunan Provincial Key Laboratory of Intelligent Sensors and New Sensor Materials, Xiangtan 411201, Hunan, China
- School of Microelectronics and Physics, Hunan University of Technology and Business, Changsha 410205, China
| | - Junhui Wang
- School of Physics and Electronic Science, Hunan University of Science and Technology, Xiangtan 411201, Hunan, China
| | - Lujun Huang
- School of Physics and Electronic Science, East China Normal University, Shanghai 200241, China
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Bagrov DV, Adlerberg VV, Skryabin GO, Nikishin II, Galetsky SA, Tchevkina EM, Kirpichnikov MP, Shaitan KV. AFM-TEM correlation microscopy and its application to lipid nanoparticles. Microsc Res Tech 2023. [PMID: 37125595 DOI: 10.1002/jemt.24336] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 03/04/2023] [Accepted: 04/19/2023] [Indexed: 05/02/2023]
Abstract
So far, only a few articles have demonstrated the possibility of correlated AFM-TEM imaging - sequential imaging of the same individual objects using atomic-force microscopy (AFM) and transmission electron microscopy (TEM). The current work contributes to the development of this approach by giving a step-by-step procedure, which yields pairs of correlated AFM-TEM images. We describe the application of correlation AFM-TEM microscopy to lipid nanoparticles (small extracellular vesicles and liposomes). The sizes of individual particles measured by the two methods were in good agreement, taking the tip broadening into account. The correlated AFM-TEM imaging can be valuable for single-particle analysis and nanometrology.
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Affiliation(s)
- Dmitry V Bagrov
- Department of Bioengineering, Faculty of Biology, M.V. Lomonosov Moscow State University, Moscow, Russia
| | - Vladimir V Adlerberg
- Department of Bioengineering, Faculty of Biology, M.V. Lomonosov Moscow State University, Moscow, Russia
| | - Gleb O Skryabin
- Department of oncogene regulation, Institute of Carcinogenesis, N.N. Blokhin National Medical Research Center of Oncology, Moscow, Russia
| | - Igor I Nikishin
- Department of Bioengineering, Faculty of Biology, M.V. Lomonosov Moscow State University, Moscow, Russia
| | - Sergey A Galetsky
- Department of oncogene regulation, Institute of Carcinogenesis, N.N. Blokhin National Medical Research Center of Oncology, Moscow, Russia
| | - Elena M Tchevkina
- Department of oncogene regulation, Institute of Carcinogenesis, N.N. Blokhin National Medical Research Center of Oncology, Moscow, Russia
| | - Mikhail P Kirpichnikov
- Department of Bioengineering, Faculty of Biology, M.V. Lomonosov Moscow State University, Moscow, Russia
| | - Konstantin V Shaitan
- Department of Bioengineering, Faculty of Biology, M.V. Lomonosov Moscow State University, Moscow, Russia
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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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Abstract
Viruses are extremely diverse and modulate important biological and ecological processes globally. However, much of viral diversity remains uncultured and yet to be discovered. Several powerful culture-independent tools, in particular metagenomics, have substantially advanced virus discovery. Among those tools is single-virus genomics, which yields sequenced reference genomes from individual sorted virus particles without the need for cultivation. This new method complements virus culturing and metagenomic approaches and its advantages include targeted investigation of specific virus groups and investigation of genomic microdiversity within viral populations. In this Review, we provide a brief history of single-virus genomics, outline how this emergent method has facilitated advances in virus ecology and discuss its current limitations and future potential. Finally, we address how this method may synergistically intersect with other single-virus and single-cell approaches.
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Cheng D, Sun L, Zou S, Chen J, Mao H, Zhang Y, Liao N, Zhang R. Antiviral Effects of Houttuynia cordata Polysaccharide Extract on Murine Norovirus-1 (MNV-1)-A Human Norovirus Surrogate. Molecules 2019; 24:molecules24091835. [PMID: 31086065 PMCID: PMC6539669 DOI: 10.3390/molecules24091835] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2019] [Revised: 05/07/2019] [Accepted: 05/09/2019] [Indexed: 01/08/2023] Open
Abstract
Houttuynia cordata is an herbal plant rich in polysaccharides and with several pharmacological activities. Human noroviruses (HuNoVs) are the most common cause of foodborne viral gastroenteritis throughout the world. In this study, H. cordata polysaccharide (HP), with a molecular weight of ~43 kDa, was purified from H. cordata water extract (HWE). The polysaccharide HP was composed predominantly of galacturonic acid, galactose, glucose, and xylose in a molar ratio of 1.56:1.49:1.26:1.11. Methylation and NMR analyses revealed that HP was a pectin-like acidic polysaccharide mainly consisting of α-1,4-linked GalpA, β-1,4-linked Galp, β-1,4-linked Glcp, and β-1,4-linked Xylp residues. To evaluate the antiviral activity of H. cordata extracts, we compared the anti-norovirus potential of HP with HWE and ethanol extract (HEE) from H. cordata by plaque assay (plaque forming units (PFU)/mL) for murine norovirus-1 (MNV-1), a surrogate of HuNoVs. Viruses at high (8.09 log10 PFU/mL) or low (4.38 log10 PFU/mL) counts were mixed with 100, 250, and 500 μg/mL of HP, HWE or HEE and incubated for 30 min at room temperature. H. cordata polysaccharide (HP) was more effective than HEE in reducing MNV-1 plaque formation, but less effective than HWE. When MNV-1 was treated with 500 μg/mL HP, the infectivity of MNV-1 decreased to an undetectable level. The selectivity indexes of each sample were 1.95 for HEE, 5.74 for HP, and 16.14 for HWE. The results of decimal reduction time and transmission electron microscopic revealed that HP has anti-viral effects by deforming and inflating virus particles, thereby inhibiting the penetration of viruses in target cells. These findings suggest that HP might have potential as an antiviral agent in the treatment of viral diseases.
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Affiliation(s)
- Dongqing Cheng
- Department of Nutrition and Food Safety, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310006, China.
- College of Medical Technology, Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Liang Sun
- Department of Nutrition and Food Safety, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310006, China.
| | - Songyan Zou
- College of Medical Technology, Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Jiang Chen
- Department of Nutrition and Food Safety, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310006, China.
| | - Haiyan Mao
- Department of Nutrition and Food Safety, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310006, China.
| | - Yanjun Zhang
- Department of Nutrition and Food Safety, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310006, China.
| | - Ningbo Liao
- Department of Nutrition and Food Safety, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310006, China.
- School of Public Health, Division of Infectious Diseases and Vaccinology, University of California, Berkeley, CA 94720, USA.
| | - Ronghua Zhang
- Department of Nutrition and Food Safety, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou 310006, China.
- College of Medical Technology, Zhejiang Chinese Medical University, Hangzhou 310053, China.
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PARTOUCHE DAVID, MATHURIN JÉRÉMIE, MALABIRADE ANTOINE, MARCO SERGIO, SANDT CHRISTOPHE, ARLUISON VÉRONIQUE, DENISET-BESSEAU ARIANE, TRÉPOUT SYLVAIN. Correlative infrared nanospectroscopy and transmission electron microscopy to investigate nanometric amyloid fibrils: prospects and challenges. J Microsc 2019; 274:23-31. [DOI: 10.1111/jmi.12779] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 12/24/2018] [Accepted: 01/07/2019] [Indexed: 01/04/2023]
Affiliation(s)
- DAVID PARTOUCHE
- Synchrotron SOLEIL; L'Orme des Merisiers Saint Aubin Gif-sur-Yvette France
- Laboratoire Léon Brillouin LLB, CEA, CNRS UMR12; Université Paris Saclay, CEA Saclay; Gif-sur-Yvette France
| | - JÉRÉMIE MATHURIN
- Laboratoire de Chimie Physique; CNRS, Univ. Paris-Sud, Université Paris-Saclay; Orsay France
| | - ANTOINE MALABIRADE
- Laboratoire Léon Brillouin LLB, CEA, CNRS UMR12; Université Paris Saclay, CEA Saclay; Gif-sur-Yvette France
| | - SERGIO MARCO
- INSERM, U1196, Université Paris Sud, Université Paris-Saclay; Orsay France
- Institut Curie; PSL Research University; CNRS, UMR 9187 Orsay France
| | - CHRISTOPHE SANDT
- Synchrotron SOLEIL; L'Orme des Merisiers Saint Aubin Gif-sur-Yvette France
| | - VÉRONIQUE ARLUISON
- Laboratoire Léon Brillouin LLB, CEA, CNRS UMR12; Université Paris Saclay, CEA Saclay; Gif-sur-Yvette France
- Université Paris Diderot-Paris 7; Sorbonne Paris Cité Paris France
| | - ARIANE DENISET-BESSEAU
- Laboratoire de Chimie Physique; CNRS, Univ. Paris-Sud, Université Paris-Saclay; Orsay France
| | - SYLVAIN TRÉPOUT
- INSERM, U1196, Université Paris Sud, Université Paris-Saclay; Orsay France
- Institut Curie; PSL Research University; CNRS, UMR 9187 Orsay France
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Study of single airborne particle using laser-trapped submicron position-resolved temporal Raman spectroscopy. Chem Phys Lett 2018. [DOI: 10.1016/j.cplett.2018.06.020] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Affiliation(s)
- Lifu Xiao
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Zachary D Schultz
- Department of Chemistry and Biochemistry, University of Notre Dame, Notre Dame, Indiana 46556, United States
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Kalume A, Zhu E, Wang C, Santarpia J, Pan YL. Position-resolved Raman spectra from a laser-trapped single airborne chemical droplet. OPTICS LETTERS 2017; 42:5113-5116. [PMID: 29240150 DOI: 10.1364/ol.42.005113] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2017] [Accepted: 10/16/2017] [Indexed: 06/07/2023]
Abstract
It could be very useful to detect and monitor the molecules and molecular reactions located at different positions within a microsized particle as they respond to various micro-local environments. In this Letter, a particular optical trap using two focusing counterpropagating hollow beams was able to stably trap both absorbing and nonabsorbing particles in air for lengthy observation. A technique that can measure the Raman spectra from different submicrometer positions of a laser-trapped single airborne particle was developed. Spontaneous and stimulated Raman scattering spectra originating from different positions of a diethyl phthalate droplet were recorded, and the strong Raman scattering signals are the result of cavity-enhanced effects and the localized strong light illumination.
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