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Liang Z, Wang P, Li Z, Wang D, Ma Q. Magnetoplasmonic Metasurface-Modulated Electrochemiluminescence Strategy for Extracellular Vesicle Detection. Anal Chem 2024; 96:4909-4917. [PMID: 38489746 DOI: 10.1021/acs.analchem.3c05650] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2024]
Abstract
Due to the ideal optical manipulation ability, the metasurface has broad prospects in the development of novel optical research. In particular, an active metasurface can control optical response through external stimulus, which has attracted great research interest. However, achieving effective modulation of the optical response is a significant challenge. In this work, we have developed a novel electrochemiluminescence (ECL) signal modulation strategy by an active magnetoplasmonic metasurface under an external magnetic field. The magnetoplasmonic metasurface was assembled based on yolk-shell Fe3O4@Au nanoparticles (Fe3O4@Au YS-NPs). On the one hand, the yolk-shell structure of Fe3O4@Au YS-NPs possessed the surface plasmon coupling effect and cavity-based Purcell effect, which provided high-intensity electromagnetic hot spots in the magnetoplasmonic metasurface. On the other hand, due to the strong magnetic response of the Fe3O4 core, the local magnetic field was induced by the external magnetic field, which further generated Lorentz force acting on the free electrons of Au nanoshells with strong optical anisotropy. The plasmon frequency of the metasurface can be effectively modulated by the Lorentz force effect. As a result, the ECL signal of nitrogen dots (N dots) was dynamically modulated and significantly enhanced at a specific polarization angle by the magnetoplasmonic metasurface under the variable external magnetic field. Based on the luminescence modulation ability and structure feature, the magnetoplasmonic metasurface was further established successfully as a sensing interface for gastric cancer (GC) extracellular vesicle (EV) detection. This study illustrated that the electromagnetic response of the active metasurface can effectively improve the optical modulation ability and luminescence sensing performance.
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Affiliation(s)
- Zihui Liang
- Department of Analytical Chemistry, College of Chemistry, Jilin University, Changchun 130012, China
| | - Peilin Wang
- Department of Analytical Chemistry, College of Chemistry, Jilin University, Changchun 130012, China
| | - Zhenrun Li
- Department of Analytical Chemistry, College of Chemistry, Jilin University, Changchun 130012, China
| | - Dongyu Wang
- Department of Analytical Chemistry, College of Chemistry, Jilin University, Changchun 130012, China
| | - Qiang Ma
- Department of Analytical Chemistry, College of Chemistry, Jilin University, Changchun 130012, China
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Xu LT, Xie KX, Cao SH, Weng YH, Chen M, Li Z, Li YQ. Simultaneous monitoring of the fluorescence and refractive index by surface plasmon coupled emission: A proof-of-concept study. CHINESE CHEM LETT 2023. [DOI: 10.1016/j.cclet.2023.108181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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Xie KX, Liu C, Liu Q, Xiao XX, Li Z, Li MF. Multiarchitecture-Based Plasmonic-Coupled Emission Employing Gold Nanoparticles: An Efficient Fluorescence Modulation and Biosensing Platform. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:11880-11886. [PMID: 34592818 DOI: 10.1021/acs.langmuir.1c01965] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Surface plasmon-coupled emission (SPCE) is an efficient surface-enhanced fluorescence method based on the near-field coupling process of surface plasmons and fluorophores. Based on this, we developed multiple coupling structures for an SPCE system by introducing gold nanoparticles (AuNPs) with different architectures by adjusting different modification methods and configurations. By assembling AuNPs on a gold substrate through electrostatic adsorption and spin-coating, 40- and 55-fold enhancements were obtained compared to free space (FS) emission, respectively. After theoretical simulations and the optimization of experimental conditions, a novel "hot-spot" plasmonic structure, an intense electromagnetic field within the system, plasmonic properties, and the coupled process were found to be mainly responsible for the diverse enhancement effects observed. For the spin-coating deposition method, new enhancing systems with high efficiency can be easily built without complex modification. Additionally, the subsequent detection system based on the uniform modification of AuNPs through electrostatic adsorption is convenient to establish with high sensitivity and stability, which can broaden the application of SPCE in both fluorescence-based sensing and imaging. This AuNP-enhanced SPCE using an electrostatic adsorption method was designed as an immunosensor to prove feasibility.
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Affiliation(s)
- Kai-Xin Xie
- Department of Chemistry, Taiyuan Normal University, Jin Zhong 030619, P. R. China
| | - Chang Liu
- Department of Chemistry, Taiyuan Normal University, Jin Zhong 030619, P. R. China
| | - Qian Liu
- Laboratory of Pharmacy and Chemistry, Lab Teaching & Management Center, Chongqing Medical University, Chongqing 400016, P. R. China
| | - Xiu-Xian Xiao
- Department of Chemistry, Taiyuan Normal University, Jin Zhong 030619, P. R. China
| | - Zhuan Li
- Department of Chemistry, Taiyuan Normal University, Jin Zhong 030619, P. R. China
| | - Meng-Fan Li
- Department of Chemistry, Taiyuan Normal University, Jin Zhong 030619, P. R. China
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Pan XH, Chen M, Cao SH, Xu ZQ, Li Z, Li YQ. Plasmon Coupling Enhanced Micro-Spectroscopy and Imaging for Sensitive Discrimination of Membrane Domains of a Single Cell. Chemistry 2021; 27:17331-17335. [PMID: 34609776 DOI: 10.1002/chem.202103018] [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: 08/18/2021] [Indexed: 11/08/2022]
Abstract
Different cell membrane domains play different roles in many cell processes, and the discrimination of these domains is of considerable importance for the elucidation of cellular functions. However, the strategies available for distinguishing these cell membrane domains are limited. A novel technique called plasmon coupling enhanced micro-spectroscopy and imaging to discriminate basal and lateral membrane domains of a single cell combines the application of an additional plasmonic silver film for surface plasmon (SP) excitation to selectively excite and enhance the basal membranes in the near-field with directional enhanced microscopic imaging and spectroscopy. The SP and critical evanescent fields are induced upon excitation through a silver-coated semitransparent coverslip at the surface plasmon resonance and critical angles, respectively. The basal and lateral membrane domains located within the SP and critical evanescent fields can be selectively excited and distinguished by adjusting the incident angle of laser irradiation. Moreover, the brighter images and more intense spectra of membrane-targeting fluorescence-Raman probes under directional excitation than in conventional EPI mode allow clear identification of the membrane domains.
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Affiliation(s)
- Xiao-Hui Pan
- Department of Chemistry and, the MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, 422 Siming South Road, Siming District, Xiamen, 361005, P. R. China
| | - Min Chen
- Department of Chemistry and, the MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, 422 Siming South Road, Siming District, Xiamen, 361005, P. R. China
| | - Shuo-Hui Cao
- Department of Chemistry and, the MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, 422 Siming South Road, Siming District, Xiamen, 361005, P. R. China
| | - Zi-Qian Xu
- Department of Chemistry and, the MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, 422 Siming South Road, Siming District, Xiamen, 361005, P. R. China
| | - Zhao Li
- Department of Chemistry and, the MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, 422 Siming South Road, Siming District, Xiamen, 361005, P. R. China
| | - Yao-Qun Li
- Department of Chemistry and, the MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, College of Chemistry and Chemical Engineering, Xiamen University, 422 Siming South Road, Siming District, Xiamen, 361005, P. R. China
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Xie KX, Liu Q, Jia SS, Xiao XX. Fluorescence enhancement by hollow plasmonic assembly and its biosensing application. Anal Chim Acta 2021; 1144:96-101. [DOI: 10.1016/j.aca.2020.12.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 12/04/2020] [Accepted: 12/05/2020] [Indexed: 12/22/2022]
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Xie KX, Jia SS, Zhang JH, Wang H, Wang Q. Amplified fluorescence by carbon nanotube (CNT)-assisted surface plasmon coupled emission (SPCE) and its biosensing application. NEW J CHEM 2019. [DOI: 10.1039/c9nj03458g] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The enhancement of SPCE by CNT assistance was investigated, and this strategy used an immunosensor to detect IgG.
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Affiliation(s)
- Kai-Xin Xie
- Department of Chemistry
- Taiyuan Normal University
- Jinzhong 030619
- P. R. China
| | - Shu-Shu Jia
- Department of Chemistry
- Taiyuan Normal University
- Jinzhong 030619
- P. R. China
| | - Jin-Hua Zhang
- Department of Chemistry
- Taiyuan Normal University
- Jinzhong 030619
- P. R. China
| | - Huan Wang
- Department of Chemistry
- Taiyuan Normal University
- Jinzhong 030619
- P. R. China
| | - Qiang Wang
- Department of Chemistry
- Taiyuan Normal University
- Jinzhong 030619
- P. R. China
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