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Qian S, Zhao W, Guo R, Wang X, Dai H, Lang J, Kadasala NR, Jiang Y, Liu Y. Apt-Conjugated PDMS-ZnO/Ag-Based Multifunctional Integrated Superhydrophobic Biosensor with High SERS Activity and Photocatalytic Sterilization Performance. Int J Mol Sci 2024; 25:7675. [PMID: 39062920 PMCID: PMC11276906 DOI: 10.3390/ijms25147675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2024] [Revised: 07/10/2024] [Accepted: 07/11/2024] [Indexed: 07/28/2024] Open
Abstract
Sensitive detection and efficient inactivation of pathogenic bacteria are crucial for halting the spread and reproduction of foodborne pathogenic bacteria. Herein, a novel Apt-modified PDMS-ZnO/Ag multifunctional biosensor has been developed for high-sensitivity surface-enhanced Raman scattering (SERS) detection along with photocatalytic sterilization towards Salmonella typhimurium (S. typhimurium). The distribution of the electric field in PDMS-ZnO/Ag with different Ag sputtering times was analyzed using a finite-difference time-domain (FDTD) algorithm. Due to the combined effect of electromagnetic enhancement and chemical enhancement, PDMS-ZnO/Ag exhibited outstanding SERS sensitivity. The limit of detection (LOD) for 4-MBA on the optimal SERS substrate (PZA-40) could be as little as 10-9 M. After PZA-40 was modified with the aptamer, the LOD of the PZA-40-Apt biosensor for detecting S. typhimurium was only 10 cfu/mL. Additionally, the PZA-40-Apt biosensor could effectively inactivate S. typhimurium under visible light irradiation within 10 min, with a bacterial lethality rate (Lb) of up to 97%. In particular, the PZA-40-Apt biosensor could identify S. typhimurium in food samples in addition to having minimal cytotoxicity and powerful biocompatibility. This work provides a multifunctional nanoplatform with broad prospects for selective SERS detection and photocatalytic sterilization of pathogenic bacteria.
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Affiliation(s)
- Sihan Qian
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China; (S.Q.); (W.Z.); (R.G.); (X.W.); (H.D.); (J.L.)
| | - Wenshi Zhao
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China; (S.Q.); (W.Z.); (R.G.); (X.W.); (H.D.); (J.L.)
| | - Rui Guo
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China; (S.Q.); (W.Z.); (R.G.); (X.W.); (H.D.); (J.L.)
| | - Xiaohan Wang
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China; (S.Q.); (W.Z.); (R.G.); (X.W.); (H.D.); (J.L.)
| | - Huasong Dai
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China; (S.Q.); (W.Z.); (R.G.); (X.W.); (H.D.); (J.L.)
| | - Jihui Lang
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China; (S.Q.); (W.Z.); (R.G.); (X.W.); (H.D.); (J.L.)
| | | | - Yuhong Jiang
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China; (S.Q.); (W.Z.); (R.G.); (X.W.); (H.D.); (J.L.)
| | - Yang Liu
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education, Jilin Normal University, Changchun 130103, China; (S.Q.); (W.Z.); (R.G.); (X.W.); (H.D.); (J.L.)
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Wang X, Tong L, Fan W, Yan W, Su C, Wang D, Wang Q, Yan H, Yin S. Air-stable self-powered photodetector based on TaSe 2/WS 2/TaSe 2 asymmetric heterojunction with surface self-passivation. J Colloid Interface Sci 2024; 657:529-537. [PMID: 38070338 DOI: 10.1016/j.jcis.2023.11.172] [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: 10/09/2023] [Revised: 11/09/2023] [Accepted: 11/27/2023] [Indexed: 01/02/2024]
Abstract
Two-dimensional (2D) transition metal dichalcogenides are highly suitable for constructing junction photodetectors because of their suspended bond-free surface and adjustable bandgap. Additional stable layers are often used to ensure the stability of photodetectors. Unfortunately, they often increase the complexity of preparation and cause performance degradation of devices. Considering the self-passivation behavior of TaSe2, we designed and fabricated a novel self-powered TaSe2/WS2/TaSe2 asymmetric heterojunction photodetector. The heterojunction photodetector shows excellent photoelectric performance and photovoltaic characteristics, achieving a high responsivity of 292 mA/W, an excellent specific detectivity of 2.43 × 1011 Jones, a considerable external quantum efficiency of 57 %, a large optical switching ratio of 2.6 × 105, a fast rise/decay time of 43/54 μs, a high open-circuit voltage of 0.23 V, and a short-circuit current of 2.28 nA under 633 nm laser irradiation at zero bias. Moreover, the device also shows a favorable optical response to 488 and 532 nm lasers. Notably, it exhibits excellent environmental long-term stability with the performance only decreasing ∼ 5.6 % after exposed to air for 3 months. This study provides a strategy for the development of air-stable self-powered photodetectors based on 2D materials.
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Affiliation(s)
- Xinyu Wang
- Key Laboratory of Display Materials and Photoelectric Devices (Ministry of Education), Tianjin Key Laboratory of Photoelectric Materials and Devices, National Demonstration Center for Experimental Function Materials Education, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China
| | - Lei Tong
- Key Laboratory of Display Materials and Photoelectric Devices (Ministry of Education), Tianjin Key Laboratory of Photoelectric Materials and Devices, National Demonstration Center for Experimental Function Materials Education, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China
| | - Wenhao Fan
- Key Laboratory of Display Materials and Photoelectric Devices (Ministry of Education), Tianjin Key Laboratory of Photoelectric Materials and Devices, National Demonstration Center for Experimental Function Materials Education, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China
| | - Wei Yan
- School of Science, Nanjing University of Posts and Telecommunications, Nanjing 210023, China
| | - Can Su
- Key Laboratory of Display Materials and Photoelectric Devices (Ministry of Education), Tianjin Key Laboratory of Photoelectric Materials and Devices, National Demonstration Center for Experimental Function Materials Education, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China
| | - Deji Wang
- Key Laboratory of Display Materials and Photoelectric Devices (Ministry of Education), Tianjin Key Laboratory of Photoelectric Materials and Devices, National Demonstration Center for Experimental Function Materials Education, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China
| | - Qingguo Wang
- GuoAng Zhuotai (Tianjin) Smart IOT Technology Co., Ltd, Tianjin 301700, China
| | - Hui Yan
- Key Laboratory of Display Materials and Photoelectric Devices (Ministry of Education), Tianjin Key Laboratory of Photoelectric Materials and Devices, National Demonstration Center for Experimental Function Materials Education, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China.
| | - Shougen Yin
- Key Laboratory of Display Materials and Photoelectric Devices (Ministry of Education), Tianjin Key Laboratory of Photoelectric Materials and Devices, National Demonstration Center for Experimental Function Materials Education, School of Materials Science and Engineering, Tianjin University of Technology, Tianjin 300384, China.
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Li Y, Guan C, Liu C, Li Z, Han G. Disease diagnosis and application analysis of molecularly imprinted polymers (MIPs) in saliva detection. Talanta 2024; 269:125394. [PMID: 37980173 DOI: 10.1016/j.talanta.2023.125394] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 10/30/2023] [Accepted: 11/03/2023] [Indexed: 11/20/2023]
Abstract
Saliva has significantly evolved as a diagnostic fluid in recent years, giving a non-invasive alternative to blood analysis. A high protein concentration in saliva is delivered directly from the bloodstream, making it a "human mirror" that reflects the body's physiological state. It plays an essential role in detecting diseases in biomedical and fitness monitoring. Molecularly imprinted polymers (MIPs) are biomimetic materials with custom-designed synthetic recognition sites that imitate biological counterparts renowned for sensitive analyte detection. This paper reviews the progress made in research about MIP biosensors for detecting saliva biomarkers. Specifically, we investigate the link between saliva biomarkers and various diseases, providing detailed insights into the corresponding biosensors. Furthermore, we discuss the principles of molecular imprinting for disease diagnostics and application analysis, including recent advances in integrated MIP-sensor technologies for high-affinity analyte detection in saliva. Notably, these biosensors exhibit high discrimination, allowing for the detection of saliva biomarkers linked explicitly to chronic stress disorders, diabetes, cancer, bacterial or viral-induced illnesses, and exposure to illicit toxic substances or tobacco smoke. Our findings indicate that MIP-based biosensors match and perhaps surpass their counterparts featuring integrated natural antibodies in terms of stability, signal-to-noise ratios, and detection limits. Additionally, we highlight the design of MIP coatings, strategies for synthesizing polymers, and the integration of advanced biodevices. These tailored biodevices, designed to assess various salivary biomarkers, are emerging as promising screening or diagnostic tools for real-time monitoring and self-health management, improving quality of life.
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Affiliation(s)
- Yanan Li
- Department of Oral Geriatrics, Hospital of Stomatology, Jilin University, Changchun, 130021, PR China
| | - Changjun Guan
- School of Electrical and Electronic Engineering, Changchun University of Technology, Changchun, 130012, PR China
| | - Chaoran Liu
- Department of Oral Geriatrics, Hospital of Stomatology, Jilin University, Changchun, 130021, PR China
| | - Ze Li
- Department of Oral Geriatrics, Hospital of Stomatology, Jilin University, Changchun, 130021, PR China
| | - Guanghong Han
- Department of Oral Geriatrics, Hospital of Stomatology, Jilin University, Changchun, 130021, PR China.
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Chen Q, Chen H, Kong H, Chen R, Gao S, Wang Y, Zhou P, Huang W, Cheng H, Li L, Feng J. Enzyme-free sensitive SERS biosensor for the detection of thalassemia-associated microRNA-210 using a cascade dual-signal amplification strategy. Anal Chim Acta 2024; 1292:342255. [PMID: 38309848 DOI: 10.1016/j.aca.2024.342255] [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: 10/25/2023] [Revised: 12/28/2023] [Accepted: 01/15/2024] [Indexed: 02/05/2024]
Abstract
BACKGROUND β-thalassemia is a blood disorder caused by autosomal mutations. Gene modulation therapy to activate the γ-globin gene to induce fetal hemoglobin (HbF) synthesis has become a new option for the treatment of β-thalassemia. MicroRNA-210 (miR-210) contributes to studying the mechanism regulating γ-globin gene expression and is a potential biomarker for rapid β-thalassemia screening. Traditional miRNA detection methods perform well but necessitate complex and time-consuming miRNA sample processing. Therefore, the development of a sensitive, accurate, and simple miRNA level monitoring method is essential. RESULTS We have developed a non-enzymatic surface-enhanced Raman scattering (SERS) biosensor utilizing a signal cascade amplification of catalytic hairpin assembly reaction (CHA) and proximity hybridization-induced hybridization chain reaction (HCR). Au@Ag NPs were used as the SERS substrate, and methylene blue (MB)- modified DNA hairpins were used as the SERS tags. The SERS assay involved two stages: implementing the CHA-HCR cascade signal amplification strategy and conducting SERS measurements on the resulting product. The HCR was started by the products of target-triggered CHA, which formed lengthy nicked double-stranded DNA (dsDNA) on the Au@Ag NPs surface to which numerous SERS tags were attached, leading to a significant increase in the SERS signal intensity. High specificity and sensitivity for miR-210 detection was achieved by monitoring MB SERS intensity changes. The suggested SERS biosensor has a low detection limit of 5.13 fM and is capable of detecting miR-210 at concentration between 10 fM and 1.0 nM. SIGNIFICANCE The biosensor can detect miR-210 levels in the erythrocytes of β-thalassemia patients, enabling rapid screening for β-thalassemia and suggesting a novel approach for investigating the regulation mechanism of miR-210 on γ-globin gene expression. In the meantime, this innovative technique has the potential to detect additional miRNAs and to become an important tool for the early diagnosis of diseases and for biomedical research.
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Affiliation(s)
- Qiying Chen
- Guangxi Key Laboratory of Green Processing of Sugar Resources, Department of Medicine/ College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou, 545006, Guangxi, PR China
| | - Huagan Chen
- Department of Clinical Laboratory, Liuzhou Maternity and Child Healthcare Hospital, Liuzhou, 545001, Guangxi, PR China
| | - Hongxing Kong
- Guangxi Key Laboratory of Green Processing of Sugar Resources, Department of Medicine/ College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou, 545006, Guangxi, PR China; Provine and Ministry Co-sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry, Nanning, 530004, Guangxi, PR China
| | - Ruijue Chen
- Guangxi Key Laboratory of Green Processing of Sugar Resources, Department of Medicine/ College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou, 545006, Guangxi, PR China
| | - Si Gao
- Guangxi Key Laboratory of Green Processing of Sugar Resources, Department of Medicine/ College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou, 545006, Guangxi, PR China
| | - Ying Wang
- Guangxi Key Laboratory of Green Processing of Sugar Resources, Department of Medicine/ College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou, 545006, Guangxi, PR China
| | - Pei Zhou
- Guangxi Key Laboratory of Green Processing of Sugar Resources, Department of Medicine/ College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou, 545006, Guangxi, PR China
| | - Wenyi Huang
- Guangxi Key Laboratory of Green Processing of Sugar Resources, Department of Medicine/ College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou, 545006, Guangxi, PR China; Provine and Ministry Co-sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry, Nanning, 530004, Guangxi, PR China
| | - Hao Cheng
- Guangxi Key Laboratory of Green Processing of Sugar Resources, Department of Medicine/ College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou, 545006, Guangxi, PR China; Provine and Ministry Co-sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry, Nanning, 530004, Guangxi, PR China
| | - Lijun Li
- Guangxi Key Laboratory of Green Processing of Sugar Resources, Department of Medicine/ College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou, 545006, Guangxi, PR China; Provine and Ministry Co-sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry, Nanning, 530004, Guangxi, PR China.
| | - Jun Feng
- Guangxi Key Laboratory of Green Processing of Sugar Resources, Department of Medicine/ College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou, 545006, Guangxi, PR China.
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Tao J, Wang Y, Zhai W, Wang M. A core-shell AuNRs@BUT-16 nanocomposite for enhancement SERS detection and efficient removal of deoxynivalenol. J Adv Res 2024:S2090-1232(24)00028-6. [PMID: 38237769 DOI: 10.1016/j.jare.2024.01.015] [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: 11/18/2023] [Revised: 01/05/2024] [Accepted: 01/11/2024] [Indexed: 01/27/2024] Open
Abstract
INTRODUCTION Deoxynivalenol (DON) is widely found in grains and poses a serious threat to human health, so there is an urgent need to develop methods for its simultaneous removal and detection. The novel metal organic framework (MOF) material BUT-16 has a high adsorption capacity (79.8%) for DON. Meanwhile, surface-enhanced Raman spectroscopy (SERS) has been widely used for rapid detection of analytes. OBJECTIVES The aim of this work is to prepare a material that can be used for enhancement SERS detection and efficient removal of DON. METHODS AuNRs@BUT-16 was prepared by in-situ solvothermal method and characterized using a series of characterization tools. AuNRs@BUT-16 was used as an adsorbent and SERS substrate for the removal and detection of DON, and some factors affecting the adsorption and SERS detection were investigated. The adsorption mechanism between DON and AuNRs@BUT-16 was investigated using molecular docking. The proposed SERS method was used to detect DON contamination in real samples. RESULTS The prepared core-shell AuNRs@BUT-16 showed a synergistic effect in improving DON adsorption and SERS response. 97.6 % of DON was removed by AuNRs@BUT-16 in aqueous solution, and 70 % in 80 % methanol. The pre-enrichment effect of BUT-16 could trap more DON molecules in the "hot spots" of AuNRs, thus the proposed SERS sensor based on AuNRs@BUT-16 substrate displayed outstanding SERS response and the limit of detection of DON was 3.87 × 10-3 μg/mL. Molecular docking revealed that hydrogen bond and π-alkyl interaction were the main reasons for high affinity between BUT-16 and DON, and Au-O bonds facilitated the adsorption of DON on AuNRs. CONCLUSIONS AuNRs@BUT-16 with superior enrichment and SERS detection capabilities has been used for simultaneous removal and SERS detection of DON, and it also has great potential to realize sensitive and selective detection and removal of DON in multiple disciplines.
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Affiliation(s)
- Jing Tao
- Institute of Quality Standard and Testing Technology, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
| | - Yudan Wang
- Institute of Quality Standard and Testing Technology, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
| | - Wenlei Zhai
- Institute of Quality Standard and Testing Technology, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
| | - Meng Wang
- Institute of Quality Standard and Testing Technology, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China.
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Ren H, Sun Y, Wang J, Qiu H, Zhang S, Zhang Y, Yu X, Hu J, Hu Y. Regulated synthesis of an Au NB-DT@Ag bimetallic core-molecule-shell nanostructure for reliable SERS detection. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:4094-4103. [PMID: 37551432 DOI: 10.1039/d3ay00661a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/09/2023]
Abstract
In recent research, anisotropic plasmonic core-shell nanomaterials have gained a lot of attention in surface-enhanced Raman scattering (SERS) due to their brilliant uniformity and optical properties. Herein, a bimetallic core-molecule-shell (CMS) composite nanorod SERS substrate nanomaterial (Au NB-DT@Ag NRs) was designed and synthesized under precise regulation. The inner core is gold nanobipyramids (Au NBs), which possess superior plasmonic properties. Uniform Au NBs of five different sizes were fabricated via a penta-twinned gold seed mediated growth method. The length varied from 160 to 62 nm and the corresponding diameter varied from 60 to 23 nm while the longitudinal surface plasmonic resonance (SPR) changed from 908 to 715 nm. The SERS activity of five Au NBs were compared and the optimally sized one with a length of 78 nm and width of 28 nm was set as the inner core. After modification with the Raman reporter (DT), different amounts of silver were deposited on the surface of Au NB-DTs to form an Au NB-DT@Ag nanocomposite. The shape of the nanostructure gradually became a rod and lengthened while the longitudinal SPR wavelength varied from 733 nm to 664 nm with an increase in the amount of silver nitrate added. The Au NB-DT@Ag NRs with the best SERS activity (b-3) could realize the quantitative detection of the toxic dyes malachite green (MG) and crystal violet (CV) of concentrations as low as 5 × 10-9 M, showing good reproducibility and stability. This work offers a new design strategy for a SERS substrate for reliable quantitative SERS detection applications.
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Affiliation(s)
- Haiting Ren
- MOE Key Laboratory of Laser Life Science, Guangdong Provincial Key Laboratory of Laser Life Science, Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou 510631, China.
| | - Yan Sun
- MOE Key Laboratory of Laser Life Science, Guangdong Provincial Key Laboratory of Laser Life Science, Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou 510631, China.
| | - Junjie Wang
- MOE Key Laboratory of Laser Life Science, Guangdong Provincial Key Laboratory of Laser Life Science, Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou 510631, China.
| | - Hongxing Qiu
- MOE Key Laboratory of Laser Life Science, Guangdong Provincial Key Laboratory of Laser Life Science, Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou 510631, China.
| | - Shenghao Zhang
- MOE Key Laboratory of Laser Life Science, Guangdong Provincial Key Laboratory of Laser Life Science, Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou 510631, China.
| | - Yueshou Zhang
- MOE Key Laboratory of Laser Life Science, Guangdong Provincial Key Laboratory of Laser Life Science, Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou 510631, China.
| | - Xingxing Yu
- MOE Key Laboratory of Laser Life Science, Guangdong Provincial Key Laboratory of Laser Life Science, Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou 510631, China.
| | - Jieyu Hu
- MOE Key Laboratory of Laser Life Science, Guangdong Provincial Key Laboratory of Laser Life Science, Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou 510631, China.
| | - Yongjun Hu
- MOE Key Laboratory of Laser Life Science, Guangdong Provincial Key Laboratory of Laser Life Science, Guangzhou Key Laboratory of Spectral Analysis and Functional Probes, College of Biophotonics, South China Normal University, Guangzhou 510631, China.
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