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Sun Q, Chen X, Ran X, Yin Y, Lei X, Li J, Le T. From traditional to modern: Nanotechnology-driven innovation in mycotoxin sensing for Chinese herbal medicines. Talanta 2025; 288:127681. [PMID: 39938420 DOI: 10.1016/j.talanta.2025.127681] [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: 12/24/2024] [Revised: 01/18/2025] [Accepted: 02/01/2025] [Indexed: 02/14/2025]
Abstract
Mycotoxin contamination in Chinese herbal medicines (CHMs) is a pressing concern that jeopardizes their quality and safety, despite their widespread therapeutic use. Conventional detection methods are often limited by complexity, cost, and sensitivity, particularly in resource-limited settings. This gap in effective and efficient mycotoxin detection necessitates a comprehensive review that explores innovative solutions to enhance the safety and efficacy of CHMs. Advancements in nanomaterials and related advanced sensing techniques have emerged as a beacon of hope. Therefore, this review aims to fill the knowledge gap by providing a comprehensive overview of the latest developments in mycotoxin detection in CHMs, spotlighting the transformative role of nanomaterials and advanced sensing techniques. This review stands out for its in-depth exploration of functional nanomaterials across dimensions and their innovative applications in mycotoxin detection. Its innovation stems from a holistic approach that not only surveys current technologies but also charts a forward-looking path, emphasizing novel nanomaterial development, refined pretreatment, and advanced biosensing for on-site detection. It delves into the integration of nanomaterials with advanced sensing technologies, discussing the advantages and limitations of these approaches. A significant innovation of this review lies in the nuanced integration of nanomaterials with machine learning and artificial intelligence, revealing untapped potential for accuracy enhancement. Through this synthesis of knowledge, we hope to inspire further research and development in this critical area, ensuring the continued safe use of CHMs in traditional medicine practices.
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Affiliation(s)
- Qi Sun
- Chongqing Collaborative Innovation Center for Rapid Detection of Food Quality and Safety, Chongqing Key Laboratory of Conservation and Utilization of Freshwater Fishes, Animal Biology Key Laboratory of Chongqing Education Commission, Chongqing Normal University, No.37 Chengzhong Road, Shapingba District, Chongqing, 401331, China.
| | - Xiang Chen
- Chongqing Collaborative Innovation Center for Rapid Detection of Food Quality and Safety, Chongqing Key Laboratory of Conservation and Utilization of Freshwater Fishes, Animal Biology Key Laboratory of Chongqing Education Commission, Chongqing Normal University, No.37 Chengzhong Road, Shapingba District, Chongqing, 401331, China
| | - Xueyan Ran
- Chongqing Collaborative Innovation Center for Rapid Detection of Food Quality and Safety, Chongqing Key Laboratory of Conservation and Utilization of Freshwater Fishes, Animal Biology Key Laboratory of Chongqing Education Commission, Chongqing Normal University, No.37 Chengzhong Road, Shapingba District, Chongqing, 401331, China
| | - Yuting Yin
- Chongqing Collaborative Innovation Center for Rapid Detection of Food Quality and Safety, Chongqing Key Laboratory of Conservation and Utilization of Freshwater Fishes, Animal Biology Key Laboratory of Chongqing Education Commission, Chongqing Normal University, No.37 Chengzhong Road, Shapingba District, Chongqing, 401331, China
| | - Xianlu Lei
- Chongqing Collaborative Innovation Center for Rapid Detection of Food Quality and Safety, Chongqing Key Laboratory of Conservation and Utilization of Freshwater Fishes, Animal Biology Key Laboratory of Chongqing Education Commission, Chongqing Normal University, No.37 Chengzhong Road, Shapingba District, Chongqing, 401331, China
| | - Jianmei Li
- Institute of Intelligent Chinese Medicine, Chongqing University of Chinese Medicine, Chongqing, 402760, China
| | - Tao Le
- Chongqing Collaborative Innovation Center for Rapid Detection of Food Quality and Safety, Chongqing Key Laboratory of Conservation and Utilization of Freshwater Fishes, Animal Biology Key Laboratory of Chongqing Education Commission, Chongqing Normal University, No.37 Chengzhong Road, Shapingba District, Chongqing, 401331, China
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2
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Fan S, Scarpitti BT, Smith AE, Luo Z, Ye J, Schultz ZD. Linker-Free Synthesis of Core/Satellite Nanoparticles for Single-Particle Surface-Enhanced Raman Spectroscopy and Photocatalysis. NANO LETTERS 2025; 25:7785-7792. [PMID: 40326095 DOI: 10.1021/acs.nanolett.5c00763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2025]
Abstract
A facile and novel method to synthesize core/satellite (CS) nanoparticles via a linker-free method is reported. Au spheres on the tips of nanostars can gradually grow bigger and eventually transform into gap-enhanced Raman tags (GERTs) to form stable and ultrabright Au nanostar/GERTs CS nanoparticles. Au nanostar/Ag sphere CS nanoparticles can also be prepared via the growth of Ag spheres on the tips, which provides a direct route to new porous Au nanostar/Ag-Au, Ag-Pt, or Ag-Pd sphere CS nanoparticles through galvanic replacement of Ag. In situ surface-enhanced Raman spectroscopy monitoring on CS nanoparticles with different noble metals demonstrates single-particle photocatalysis; among them, the hybrid Ag-Pt CS nanoparticles show the fastest photocatalytic rates for the complete conversion of 4-nitrothiophenol (4-NTP) to 4,4-dimercaptoazobenzene (DMAB) at the single-particle level. This method provides a direct synthetic route to these complex nanoparticles without interference from external linker molecules and opens up new possibilities in single-particle analysis.
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Affiliation(s)
- Sanjun Fan
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio 43210, United States
| | - Brian T Scarpitti
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio 43210, United States
| | - Abigail E Smith
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio 43210, United States
| | - Zhewen Luo
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200030, China
| | - Jian Ye
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200030, China
| | - Zachary D Schultz
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio 43210, United States
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3
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Ji B, Liu Z, Lv Z, Yang Q, Sun J, Su G, Xia Y, Yan X, Hu J, Hu P, Yi W, Jia C, Wu J, Zhan P, Tan P, Wu W, Liu F. Targeted molecular rapid SERS diagnosis in clinical human serum through aptamer origami-collapsed nanofingers chip. Biosens Bioelectron 2025; 285:117583. [PMID: 40383027 DOI: 10.1016/j.bios.2025.117583] [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: 02/09/2025] [Revised: 04/17/2025] [Accepted: 05/12/2025] [Indexed: 05/20/2025]
Abstract
Surface-Enhanced Raman Scattering (SERS) offers great potential for label-free molecular diagnosis, especially in detecting disease biomarkers. However, the complexity of the biological environment in clinical human serum often significantly impairs detection accuracy. In this study, we present a highly effective SERS strategy utilizing aptamer origami-collapsed nanofingers for the precise qualitative and quantitative detection of specific targeted biomarkers in clinical serum. Here, the biomarker-specific aptamers are anchored to gold nanofingers, which then collapse during liquid evaporation, forming sub-nanometric gaps that enhance near-field strength. The serum is introduced directly into these stabilized nanofingers, where targeted biomarkers are selectively captured in aptamer hotspots, yielding pure Raman spectra of the biomarkers without interference from other serum molecules. The ratio of the biomarker's characteristic Raman peak to that of the aptamer allows for accurate quantification. This approach was validated with alpha-fetoprotein (AFP) for hepatocellular carcinoma and cardiac troponin I (cTnI) for acute myocardial infarction in clinical serum, achieving detection within 3 min. This strategy represents a significant advancement in SERS-based medical diagnostics, offering exceptional sensitivity and specificity in complex biological samples.
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Affiliation(s)
- Beijia Ji
- School of Physics, Zhejiang University of Technology, Hangzhou, 310023, PR China
| | - Zerui Liu
- Ming Hsieh Department of Electrical and Computer Engineering, University of Southern California, Los Angeles, CA, 90089, United States of America
| | - Zhekai Lv
- School of Physics, Zhejiang University of Technology, Hangzhou, 310023, PR China
| | - Qihan Yang
- School of Physics, Zhejiang University of Technology, Hangzhou, 310023, PR China
| | - Jingyi Sun
- School of Physics, Zhejiang University of Technology, Hangzhou, 310023, PR China
| | - Guangxu Su
- School of Physics, Zhejiang University of Technology, Hangzhou, 310023, PR China
| | - Yuxuan Xia
- School of Physics, Zhejiang University of Technology, Hangzhou, 310023, PR China
| | - Xinxin Yan
- School of Physics, Zhejiang University of Technology, Hangzhou, 310023, PR China
| | - Junzheng Hu
- School of Physics, National Laboratory of Solid State Microstructures, Nanjing University, Nanjing, 210093, PR China
| | - Pan Hu
- Ming Hsieh Department of Electrical and Computer Engineering, University of Southern California, Los Angeles, CA, 90089, United States of America
| | - Wanwan Yi
- Department of Nuclear Medicine, Shanghai Tenth People's Hospital, Tongji University, Shanghai, 200072, PR China
| | - Chengyou Jia
- Department of Nuclear Medicine, Shanghai Tenth People's Hospital, Tongji University, Shanghai, 200072, PR China.
| | - Jiangbin Wu
- State Key Laboratory of Superlattices and Microstructures Institute of Semiconductors, Chinese Academy of Sciences, Beijing, 100083, PR China.
| | - Peng Zhan
- School of Physics, National Laboratory of Solid State Microstructures, Nanjing University, Nanjing, 210093, PR China.
| | - Pingheng Tan
- State Key Laboratory of Superlattices and Microstructures Institute of Semiconductors, Chinese Academy of Sciences, Beijing, 100083, PR China
| | - Wei Wu
- Ming Hsieh Department of Electrical and Computer Engineering, University of Southern California, Los Angeles, CA, 90089, United States of America.
| | - Fanxin Liu
- School of Physics, Zhejiang University of Technology, Hangzhou, 310023, PR China.
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Rui J, Wu T, Zhang Z, Lu W, Shi X, Liu Y, Han X, Dang M, Su X, Teng Z. Nucleus-Spike 3D Hierarchical Superstructures via a Lecithin-Mediated Biomineralization Approach. SMALL METHODS 2025; 9:e2401251. [PMID: 39375975 DOI: 10.1002/smtd.202401251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2024] [Revised: 09/22/2024] [Indexed: 10/09/2024]
Abstract
3D hierarchical superstructures (3DHSs) are key products of nature's evolution and have raised wide interest. However, the preparation of 3DHSs composed of building blocks with different structures is rarely reported, and regulating their structural parameters is challenging. Herein, a simple lecithin-mediated biomineralization approach is reported for the first time to prepare gold 3DHSs composed of 0D nucleus and 1D protruding dendritic spikes. It is demonstrated that a hydrophobic complex by coordination of disulfiram (DSF) with a share of chloroauric acid is the key to forming the 3DHSs. Under the lecithin mediation, chloroauric acid is first reduced to form the 0D nucleus, followed by the spike growth through the reduction of the hydrophobic complex. The prepared 3DHSs possess well-defined morphology with a spike length of ≈95 nm. Notably, the hierarchical spike density is systematically manipulated from 38.9% to 74.3% by controlling DSF concentrations. Moreover, the spike diameter is regulated from 9.2 to 12.9 nm by selecting different lecithin concentrations to tune the biomineralization process. Finite-difference time-domain (FDTD) simulations reveal that the spikes form "hot spots". The dense spike structure endows the 3DHSs with sound performance in surface-enhanced Raman scattering (SERS) applications.
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Affiliation(s)
- Jiaxin Rui
- Key Laboratory for Organic Electronics and Information Displays and Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials, Jiangsu National Synergetic Innovation Centre for Advanced Materials, Nanjing University of Posts and Telecommunications, Nanjing, 210023, P.R. China
| | - Tingting Wu
- Key Laboratory for Organic Electronics and Information Displays and Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials, Jiangsu National Synergetic Innovation Centre for Advanced Materials, Nanjing University of Posts and Telecommunications, Nanjing, 210023, P.R. China
| | - Zhiwei Zhang
- Key Laboratory for Organic Electronics and Information Displays and Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials, Jiangsu National Synergetic Innovation Centre for Advanced Materials, Nanjing University of Posts and Telecommunications, Nanjing, 210023, P.R. China
| | - Wei Lu
- Key Laboratory for Organic Electronics and Information Displays and Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials, Jiangsu National Synergetic Innovation Centre for Advanced Materials, Nanjing University of Posts and Telecommunications, Nanjing, 210023, P.R. China
| | - Xuzhi Shi
- Key Laboratory for Organic Electronics and Information Displays and Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials, Jiangsu National Synergetic Innovation Centre for Advanced Materials, Nanjing University of Posts and Telecommunications, Nanjing, 210023, P.R. China
| | - Ying Liu
- School of Intelligent Manufacturing and Electronic, Engineering Wenzhou University of Technology, Wenzhou, 325025, P. R. China
| | - Xiaolin Han
- Key Laboratory for Organic Electronics and Information Displays and Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials, Jiangsu National Synergetic Innovation Centre for Advanced Materials, Nanjing University of Posts and Telecommunications, Nanjing, 210023, P.R. China
| | - Meng Dang
- Key Laboratory for Organic Electronics and Information Displays and Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials, Jiangsu National Synergetic Innovation Centre for Advanced Materials, Nanjing University of Posts and Telecommunications, Nanjing, 210023, P.R. China
| | - Xiaodan Su
- Key Laboratory for Organic Electronics and Information Displays and Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials, Jiangsu National Synergetic Innovation Centre for Advanced Materials, Nanjing University of Posts and Telecommunications, Nanjing, 210023, P.R. China
| | - Zhaogang Teng
- Key Laboratory for Organic Electronics and Information Displays and Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials, Jiangsu National Synergetic Innovation Centre for Advanced Materials, Nanjing University of Posts and Telecommunications, Nanjing, 210023, P.R. China
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5
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Kwon S, Kim H, Zhao Q, Oh MJ, Hur K, Jung I, Park S. Gold Tetrahedral Nanoframes with Mono-Rim or Dual-Rim Morphologies for Enhanced Near-Field Focusing in SERS. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2025; 21:e2410296. [PMID: 39676470 DOI: 10.1002/smll.202410296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2024] [Revised: 11/22/2024] [Indexed: 12/17/2024]
Abstract
This study presents a synthesis method for Au tetrahedral nanoframes (Td NFs) through a rationally designed multiple-step process, followed by an investigation of their distinctively ordered self-assembly for enhanced performance in surface-enhanced Raman spectroscopy (SERS). Two distinct Au Td NF building blocks are synthesized, exhibiting mono-rim or dual-rim morphologies. The mono-rim structure lacks intra-nanogaps, whereas the dual-rim configuration features well-defined intra-nanogaps. The non-centrosymmetric Td NFs self-assemble into a distinctive antiparallel arrangement that alternates between the tip-up and face-up orientations of the Au Td NFs. This configuration results in the formation of both triply tip-to-tip and face-to-face nanogaps. The unique zigzag pattern exhibited strong electromagnetic field enhancement and extensive spatial hot zones, significantly amplifying near-field focusing and, consequently, the SERS effect. The near-field enhancement of Au Td NF assemblies is confirmed through finite element method simulations and experimentally validated by comparing bulk SERS measurements with those of Au octahedron NF assemblies, which tend to adopt a parallel face-to-tip alignment during assembly. Owing to the complex arrangement of multiple intra-nanogaps between the internal rim-to-rim interfaces and the four exposed facets, dual-rim Td NFs exhibited single-particle SERS activity, a capability not observed in analogous Td NFs with single rims.
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Affiliation(s)
- Sunwoo Kwon
- Department of Chemistry, Sungkyunkwan University (SKKU), Seobu-ro 2066, Suwon, 16419, Republic of Korea
| | - Hyunji Kim
- Department of Chemistry, Yonsei University, Yonsei-ro 50, Seoul, 03722, Republic of Korea
| | - Qiang Zhao
- Department of Chemistry, Sungkyunkwan University (SKKU), Seobu-ro 2066, Suwon, 16419, Republic of Korea
| | - Myeong Jin Oh
- Department of Chemistry, Sungkyunkwan University (SKKU), Seobu-ro 2066, Suwon, 16419, Republic of Korea
| | - Kyuvin Hur
- Department of Chemistry, Yonsei University, Yonsei-ro 50, Seoul, 03722, Republic of Korea
| | - Insub Jung
- Department of Chemistry, Yonsei University, Yonsei-ro 50, Seoul, 03722, Republic of Korea
| | - Sungho Park
- Department of Chemistry, Yonsei University, Yonsei-ro 50, Seoul, 03722, Republic of Korea
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6
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Fu Q, Zhou J, Wang X, Xu W, Chen X, Chen L, Huang Y. Nanoscale Engineering of 3D Intragaps and Compositions in Multimetallic Hollow Superstructures for Enhanced Catalysis. NANO LETTERS 2025; 25:4696-4704. [PMID: 40067745 DOI: 10.1021/acs.nanolett.4c05403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/27/2025]
Abstract
Designing and synthesizing multishelled metallic hollow nanostructures with intragaps and porous shells have received widespread attention for enhancing optical and catalytic properties. However, significant challenges remain in engineering these structures at the nanometer scale. Herein, we employed the galvanic replacement reaction (GRR) method to prepare multimetallic hollow superstructures with 3D cavities and distinct nanometer intragaps. By precise control of the intragap distances (1-10 nm) and composition distributions within a single entity, libraries of multimetallic hollow superstructures were constructed. Using the 4-nitrophenol reduction as a model reaction, triple-shell Au@Pt-Ag nanoparticles with approximately 1 nm intragaps exhibited a catalytic rate 211.6 times higher than that of commercial Pt/C catalysts. The nanoconfinement environment of multishelled structures not only increases active sites but also promotes electron delocalization of reactants, accelerating the hydrogenation process both thermodynamically and kinetically. Our work advances the rational synthesis of multishelled nanostructures, expanding their potential applications in catalysis, plasmonics, and biosensing.
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Affiliation(s)
- Qianqian Fu
- College of Material Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Jingyi Zhou
- College of Material Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Xiaoyuan Wang
- College of Material Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Wenying Xu
- College of Material Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Xiaoli Chen
- College of Material Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Liang Chen
- College of Material Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
| | - Youju Huang
- College of Material Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education, Hangzhou Normal University, Hangzhou, Zhejiang 311121, China
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7
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Mi X, Zhao X, Luo Y, Li Y, Wu Y, Xue S, Yang X, Zhang Z, Qiao H. Au nanoflower/Au island hybrid substrate as high-performance SERS platforms. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2025; 328:125483. [PMID: 39612533 DOI: 10.1016/j.saa.2024.125483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2024] [Revised: 10/14/2024] [Accepted: 11/21/2024] [Indexed: 12/01/2024]
Abstract
Surface-enhanced Raman scattering (SERS) offers significant enhancements to weak Raman signals, which has been widely used for the detection of ultra-low concentrations of molecules. Obtaining repeatable SERS substrates with high density "hot spots" is one of the main challenges for quantitative analysis using SERS. Herein, a SERS substrate based on Au nanoflower/nanoisland (NF/NI) hybrid substrate is constructed. The Au NF/NI substrate can generate "hot spots" by the nanogap between nanotip of Au NF and Au NI, which has been proved to have high stability and sensitivity by experiments, the limit of detection is determined to be down to 10-11 M for Rhodamine 6G (R6G) molecules. In addition, the Au NF/NI hybrid substrate as template can be further extended to prepare bimetallic SERS substrates. This synthetic pathway will not only contribute to the design of new type of SERS substrate, but also promote understanding of the growth mechanisms of multicomponent nanostructure.
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Affiliation(s)
- Xiaohu Mi
- Shaanxi Collaborative Innovation Center of TCM Technologies and Devices, Shaanxi University of Chinese Medicine, Xixian New Area 712046, China
| | - Xin Zhao
- School of Physics and Information Technology, Shaanxi Normal University, Xi'an 710119, China
| | - Yuting Luo
- School of Physics and Information Technology, Shaanxi Normal University, Xi'an 710119, China
| | - Yongfeng Li
- Key Laboratory of Acupuncture and Medicine of Shaanxi Province, Shaanxi University of Chinese Medicine, Xixian New Area 712046, China
| | - Yuwei Wu
- Key Laboratory of Acupuncture and Medicine of Shaanxi Province, Shaanxi University of Chinese Medicine, Xixian New Area 712046, China
| | - Simeng Xue
- Key Laboratory of Acupuncture and Medicine of Shaanxi Province, Shaanxi University of Chinese Medicine, Xixian New Area 712046, China
| | - Xiaohang Yang
- Shaanxi Collaborative Innovation Center of TCM Technologies and Devices, Shaanxi University of Chinese Medicine, Xixian New Area 712046, China
| | - Zhenglong Zhang
- School of Physics and Information Technology, Shaanxi Normal University, Xi'an 710119, China.
| | - Haifa Qiao
- Shaanxi Collaborative Innovation Center of TCM Technologies and Devices, Shaanxi University of Chinese Medicine, Xixian New Area 712046, China; Key Laboratory of Acupuncture and Medicine of Shaanxi Province, Shaanxi University of Chinese Medicine, Xixian New Area 712046, China.
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8
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Chen Y, Xia Y, Lyu M, Jiang M, Hong Y, Guo Z, Li J, Fang Z. Engineering ZIF-8@Ag core-satellite superstructures through solvent-induced tunable self-assembly for surface-enhanced Raman spectroscopy. NANOSCALE 2025; 17:4687-4694. [PMID: 39846864 DOI: 10.1039/d4nr03191a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2025]
Abstract
Metal-organic framework (MOF) based substrates have great potential for quantitative analysis of hazardous substances using surface-enhanced Raman spectroscopy (SERS) due to their significant signal enhancement, but face challenges like complex preparation, and lack of tunability. Here, we have successfully prepared a well-defined core-satellite superstructure (ZIF-8@Ag) through solvent-induced assembly of silver nanoparticles (Ag NPs) on truncated rhombic dodecahedral ZIF-8. By wisely selecting toluene as the solvent, the assembly process can be easily initiated through ultrasonic treatment and it allows for precise morphological adjustments to build a range of superstructures with different assembly densities of Ag NPs via feed ratio tuning. The as-prepared ZIF-8@Ag substrate leverages the high-density distribution of Ag NPs and the exceptional adsorption capabilities of ZIF-8. This combination makes it an outstanding SERS substrate for the detection of crystal violet (CV) and methylene blue (MB), achieving a concentration as low as 1 × 10-10 M and 1 × 10-9 M, respectively. Moreover, the Raman analytical enhancement factor (AEF) of this ZIF-8@Ag substrate can reach 1.35 × 107, and the Raman signals exhibited high homogeneity. These findings are essential for constructing complex structures and achieving better performance in SERS enhancement substrates, which can broaden the application of this technology in other fields.
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Affiliation(s)
- Yanyan Chen
- Institute of Fire Safety Materials, School of Materials Science and Engineering, NingboTech University, Ningbo 315100, China.
| | - Yan Xia
- Institute of Fire Safety Materials, School of Materials Science and Engineering, NingboTech University, Ningbo 315100, China.
| | - Mengqi Lyu
- Institute of Fire Safety Materials, School of Materials Science and Engineering, NingboTech University, Ningbo 315100, China.
| | - Ming Jiang
- Institute of Fire Safety Materials, School of Materials Science and Engineering, NingboTech University, Ningbo 315100, China.
| | - Yutong Hong
- Institute of Fire Safety Materials, School of Materials Science and Engineering, NingboTech University, Ningbo 315100, China.
| | - Zhenghong Guo
- Institute of Fire Safety Materials, School of Materials Science and Engineering, NingboTech University, Ningbo 315100, China.
| | - Juan Li
- Institute of Fire Safety Materials, School of Materials Science and Engineering, NingboTech University, Ningbo 315100, China.
| | - Zhengping Fang
- Institute of Fire Safety Materials, School of Materials Science and Engineering, NingboTech University, Ningbo 315100, China.
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9
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Ran J, Li H, Zhou S, Man S, Yuan R, Yang X. Helical au nanostructure for SERS detection of hazardous molecular and chiral enantiomers. Food Chem 2024; 458:140268. [PMID: 38968715 DOI: 10.1016/j.foodchem.2024.140268] [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: 03/15/2024] [Revised: 06/13/2024] [Accepted: 06/26/2024] [Indexed: 07/07/2024]
Abstract
In recent years, incidents of pesticide pollution and abuse of feed additives have occurred frequently, which pose a great threat to human health. Raman spectroscopy has become an important method in the field of food safety due to its rapidity, simplicity and sensitivity. It is important to obtain complex structure to promote surface-enhanced Raman scattering (SERS) effect. In this study, gold helical nanoparticles with rich surface structure were synthesized using cysteine as induce agent. Notably, the complex helical structure and tip led to an excellent electromagnetic enhancement property. The helical structure showed ultra-sensitive detection of hazardous molecular, such as thiram and ractopamine. Interestingly, the D/L-Au structure had significant chiral optical activity and could be used as an unlabeled SERS platform for enantiomer identification. This study provided an effective strategy for the detection of pesticides and feed additives, which could be applied in other aspects of food safety in the future.
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Affiliation(s)
- Jinzhuo Ran
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, Chongqing Engineering Laboratory of Nanomaterials, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Hongying Li
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, Chongqing Engineering Laboratory of Nanomaterials, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Shixin Zhou
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, Chongqing Engineering Laboratory of Nanomaterials, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Shanyou Man
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, Chongqing Engineering Laboratory of Nanomaterials, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Ruo Yuan
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, Chongqing Engineering Laboratory of Nanomaterials, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Xia Yang
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, Chongqing Engineering Laboratory of Nanomaterials, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China.
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10
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Lee S, Zhao Q, Lee S, Lee Y, Jung I, Park S. Plasmonic Nanotrenches with 1 nm Nanogaps for Surface-Enhanced Raman Scattering-Based Screening of His-Tagged Proteins. NANO LETTERS 2024; 24:12315-12322. [PMID: 39311749 DOI: 10.1021/acs.nanolett.4c03783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/03/2024]
Abstract
This study represents a highly sensitive and selective approach to protein screening using surface-enhanced Raman scattering (SERS) facilitated by octahedral Au nanotrenches (OANTs). OANTs are a novel class of nanoparticles characterized by narrow, trench-like excavations indented into the eight facets of a Au octahedron. This unique configuration maximizes electromagnetic near-field focusing as the gap distance decreases to ∼1 nm. Owing to geometrical characteristics of the OANTs, near-field focusing can be maximized through the confinement and reflectance of light trapped within the trenches. We used Ni ions and molecular linkers to confer selective binding affinity for His-tagged proteins on the surfaces of the OANTs for SERS-based protein screening. Remarkably, SERS-based protein screening with the surface-modified OANTs yielded outstanding screening capabilities: 100% sensitivity and 100% selectivity in distinguishing His-tagged human serum albumin (HSA) from native HSA. This highlights the significantly enhanced protein screening capabilities achieved through the synergistic combination of SERS and the OANTs.
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Affiliation(s)
- Sungwoo Lee
- Department of Chemistry, Sungkyunkwan University, Suwon 16419, Republic of Korea
- Institute of Basic Science, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Qiang Zhao
- Department of Chemistry, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Soohyun Lee
- Department of Chemistry, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Yujin Lee
- Department of Chemistry, Yonsei University, Seoul 03722, Republic of Korea
| | - Insub Jung
- Department of Chemistry, Yonsei University, Seoul 03722, Republic of Korea
| | - Sungho Park
- Department of Chemistry, Yonsei University, Seoul 03722, Republic of Korea
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11
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Hwang J, Zhang Y, Kim B, Jeong J, Yi J, Kim DR, Kim YL, Urbas A, Ariyawansa G, Xu B, Ku Z, Lee CH. Wafer-Scale Replication of Plasmonic Nanostructures via Microbubbles for Nanophotonics. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2404870. [PMID: 39225406 PMCID: PMC11516140 DOI: 10.1002/advs.202404870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2024] [Revised: 08/21/2024] [Indexed: 09/04/2024]
Abstract
Quasi-3D plasmonic nanostructures are in high demand for their ability to manipulate and enhance light-matter interactions at subwavelength scales, making them promising building blocks for diverse nanophotonic devices. Despite their potential, the integration of these nanostructures with optical sensors and imaging systems on a large scale poses challenges. Here, a robust technique for the rapid, scalable, and seamless replication of quasi-3D plasmonic nanostructures is presented straight from their production wafers using a microbubble process. This approach not only simplifies the integration of quasi-3D plasmonic nanostructures into a wide range of standard and custom optical imaging devices and sensors but also significantly enhances their imaging and sensing performance beyond the limits of conventional methods. This study encompasses experimental, computational, and theoretical investigations, and it fully elucidates the operational mechanism. Additionally, it explores a versatile set of options for outfitting nanophotonic devices with custom-designed plasmonic nanostructures, thereby fulfilling specific operational criteria.
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Affiliation(s)
- Jehwan Hwang
- Weldon School of Biomedical EngineeringPurdue UniversityWest LafayetteIN47907USA
- Optical Lens Materials Research CenterKorea Photonics Technology Institute (KOPTI)Gwangju61007Republic of Korea
| | - Yue Zhang
- Department of Mechanical and Aerospace EngineeringUniversity of VirginiaCharlottesvilleVA22904USA
| | - Bongjoong Kim
- Weldon School of Biomedical EngineeringPurdue UniversityWest LafayetteIN47907USA
- Department of Mechanical and System Design EngineeringHongik UniversitySeoul04066Republic of Korea
| | - Jinheon Jeong
- Weldon School of Biomedical EngineeringPurdue UniversityWest LafayetteIN47907USA
| | - Jonghun Yi
- School of Mechanical EngineeringHanyang UniversitySeoul04763Republic of Korea
| | - Dong Rip Kim
- School of Mechanical EngineeringHanyang UniversitySeoul04763Republic of Korea
| | - Young L. Kim
- Weldon School of Biomedical EngineeringPurdue UniversityWest LafayetteIN47907USA
| | - Augustine Urbas
- Materials and Manufacturing DirectorateAir Force Research LaboratoryWright‐Patterson Air Force BaseDaytonOH45433USA
| | - Gamini Ariyawansa
- Sensors DirectorateAir Force Research LaboratoryWright‐Patterson Air Force BaseDaytonOH45433USA
| | - Baoxing Xu
- Department of Mechanical and Aerospace EngineeringUniversity of VirginiaCharlottesvilleVA22904USA
| | - Zahyun Ku
- Apex Microdevices4871 Misrach CTWest ChesterOH45069‐7755USA
| | - Chi Hwan Lee
- Weldon School of Biomedical EngineeringPurdue UniversityWest LafayetteIN47907USA
- School of Mechanical EngineeringPurdue UniversityWest LafayetteIN47907USA
- School of Materials EngineeringPurdue UniversityWest LafayetteIN47907USA
- Elmore Family School of Electrical and Computer EngineeringPurdue UniversityWest LafayetteIN47907USA
- Birck Nanotechnology CenterPurdue UniversityWest LafayetteIN47907USA
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12
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Ma L, Zhou K, Wang X, Wang J, Zhao R, Zhang Y, Cheng F. Recent Progress in the Synthesis of 3D Complex Plasmonic Intragap Nanostructures and Their Applications in Surface-Enhanced Raman Scattering. BIOSENSORS 2024; 14:433. [PMID: 39329807 PMCID: PMC11430147 DOI: 10.3390/bios14090433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2024] [Revised: 09/01/2024] [Accepted: 09/04/2024] [Indexed: 09/28/2024]
Abstract
Plasmonic intragap nanostructures (PINs) have garnered intensive attention in Raman-related analysis due to their exceptional ability to enhance light-matter interactions. Although diverse synthetic strategies have been employed to create these nanostructures, the emphasis has largely been on PINs with simple configurations, which often fall short in achieving effective near-field focusing. Three-dimensional (3D) complex PINs, distinguished by their intricate networks of internal gaps and voids, are emerging as superior structures for effective light trapping. These structures facilitate the generation of hot spots and hot zones that are essential for enhanced near-field focusing. Nevertheless, the synthesis techniques for these complex structures and their specific impacts on near-field focusing are not well-documented. This review discusses the recent advancements in the synthesis of 3D complex PINs and their applications in surface-enhanced Raman scattering (SERS). We begin by describing the foundational methods for fabricating simple PINs, followed by a discussion on the rational design strategies aimed at developing 3D complex PINs with superior near-field focusing capabilities. We also evaluate the SERS performance of various 3D complex PINs, emphasizing their advanced sensing capabilities. Lastly, we explore the future perspective of 3D complex PINs in SERS applications.
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Affiliation(s)
- Li Ma
- State Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, Nanjing 210023, China
| | - Keyi Zhou
- State Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, Nanjing 210023, China
| | - Xinyue Wang
- State Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, Nanjing 210023, China
| | - Jiayue Wang
- State Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, Nanjing 210023, China
| | - Ruyu Zhao
- State Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, Nanjing 210023, China
| | - Yifei Zhang
- State Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, Nanjing 210023, China
| | - Fang Cheng
- State Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, Nanjing 210023, China
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13
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Xu X, Li T, Liu Y, Zhou L, Li Y, Luo Y, Xu Y, Zhao L, Song W, Jiang D, He P, Zhou H. Engineering Assembly of Plasmonic Virus-Like Gold SERS Nanoprobe Guided by Intelligent Dual-Machine Nanodevice for High-Performance Analysis of Tetracycline. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2309502. [PMID: 38282176 DOI: 10.1002/smll.202309502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 01/10/2024] [Indexed: 01/30/2024]
Abstract
Accurate detection of trace tetracyclines (TCs) in complex matrices is of great significance for food and environmental safety monitoring. However, traditional recognition and amplification tools exhibit poor specificity and sensitivity. Herein, a novel dual-machine linkage nanodevice (DMLD) is proposed for the first time to achieve high-performance analysis of TC, with a padlock aptamer component as the initiation command center, nucleic acid-encoded multispike virus-like Au nanoparticles (nMVANs) as the signal indicator, and cascade walkers circuit as the processor. The existence of spike vertices and interspike nanogaps in MVANs enables intense electromagnetic near-field focusing, allowing distinct surface-enhanced Raman scattering (SERS) activity. Moreover, through the sequential activation between multistage walker catalytic circuits, the DLMD system converts the limited TC recognition into massive engineering assemblies of SERS probes guided by DNA amplicons, resulting in synergistic enhancement of bulk plasmonic hotspot entities. The continuously guaranteed target recognition and progressively promoted signal enhancement ensure highly specific amplification analysis of TC, with a detection limit as low as 7.94 × 10-16 g mL-1. Furthermore, the reliable recoveries in real samples confirm the practicability of the proposed sensing platform, highlighting the enormous potential of intelligent nanomachines for analyzing the trace hazards in the environment and food.
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Affiliation(s)
- Xinlin Xu
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Ministry of Education, Shandong Key Laboratory of Biochemical Analysis, and College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Tiantian Li
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Ministry of Education, Shandong Key Laboratory of Biochemical Analysis, and College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Yue Liu
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Ministry of Education, Shandong Key Laboratory of Biochemical Analysis, and College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Luxiao Zhou
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Ministry of Education, Shandong Key Laboratory of Biochemical Analysis, and College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Yingying Li
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Ministry of Education, Shandong Key Laboratory of Biochemical Analysis, and College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Yu Luo
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Ministry of Education, Shandong Key Laboratory of Biochemical Analysis, and College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Yang Xu
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Ministry of Education, Shandong Key Laboratory of Biochemical Analysis, and College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Lin Zhao
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Ministry of Education, Shandong Key Laboratory of Biochemical Analysis, and College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Weiling Song
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Ministry of Education, Shandong Key Laboratory of Biochemical Analysis, and College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Degang Jiang
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Ministry of Education, Shandong Key Laboratory of Biochemical Analysis, and College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Peng He
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Ministry of Education, Shandong Key Laboratory of Biochemical Analysis, and College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
| | - Hong Zhou
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Ministry of Education, Shandong Key Laboratory of Biochemical Analysis, and College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, P. R. China
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14
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Sun M, Xie M, Jiang J, Qi Z, Wang L, Chao J. Customized Self-Assembled Gold Nanoparticle-DNA Origami Composite Templates for Shape-Directed Growth of Plasmonic Structures. NANO LETTERS 2024; 24:6480-6487. [PMID: 38771966 DOI: 10.1021/acs.nanolett.4c00504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2024]
Abstract
The metal plasmonic nanostructure has the optical property of plasmon resonance, which holds great potential for development in nanophotonics, bioelectronics, and molecular detection. However, developing a general and straightforward method to prepare metal plasmonic nanostructures with a controllable size and morphology still poses a challenge. Herein, we proposed a synthesis strategy that utilized a customizable self-assembly template for shape-directed growth of metal structures. We employed gold nanoparticles (AuNPs) as connectors and DNA nanotubes as branches, customizing gold nanoparticle-DNA origami composite nanostructures with different branches by adjusting the assembly ratio between the connectors and branches. Subsequently, various morphologies of plasmonic metal nanostructures were created using this template shape guided strategy, which exhibited enhancement of surface-enhanced Raman scattering (SERS) signals. This strategy provides a new approach for synthesizing metallic nanostructures with multiple morphologies and opens up another possibility for the development of customizable metallic plasmonic structures with broader applications.
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Affiliation(s)
- Mengyao Sun
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing 210023, China
| | - Mo Xie
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing 210023, China
| | - Jinke Jiang
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing 210023, China
| | - Zhonglin Qi
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing 210023, China
| | - Lianhui Wang
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing 210023, China
| | - Jie Chao
- Key Laboratory for Organic Electronics and Information Displays (KLOEID) & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), National Synergetic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing 210023, China
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15
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Li H, Wang D, Zhang D, Zhou J, Yang W, Su Z, Sun W, Li C. Light-Initiated Imprinted Membrane-Based Biomimetic SERS Sensor toward Selective Detection of Trace MC-LR. Anal Chem 2024; 96:5887-5896. [PMID: 38567874 DOI: 10.1021/acs.analchem.3c05856] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/17/2024]
Abstract
Microcystin-LR (MC-LR) is a severe threat to human and animal health; thus, monitoring it in the environment is essential, especially in water quality protections. Herein, in this work, we synthesize PVDF/CNT/Ag molecular imprinted membranes (PCA-MIMs) via an innovative combination of surface-enhanced Raman spectroscopy (SERS) detection, membrane separation, and molecular-imprinted technique toward the analysis of MC-LR in water. In particular, a light-initiated imprint is employed to protect the chemical structure of the MC-LR molecules. Furthermore, in order to ensure the detection sensitivity, the SERS substrates are combined with the membrane via the assistance of magnetism. The effect of synthesis conditions on the SERS sensitivity was investigated in detail. It is demonstrated from the characteristic results that the PCA-MIMs present high sensitivity to the MC-LR molecules with excellent selectivity against the interfere molecules. Results clearly show that the as-prepared PCA-MIMs hold great potential applications to detect trace MC-LR for the protection of water quality.
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Affiliation(s)
- Hongji Li
- Hainan Engineering Research Center of Tropical Ocean Advanced Opto-electrical Functional Materials, Key Laboratory of Laser Technology and Optoelectronic Functional Materials of Hainan Province, Key Laboratory of Functional Materials and Photoelectrochemistry of Haikou, Hainan Normal University, Haikou 571158, China
- College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China
| | - Dandan Wang
- Key Laboratory of Advanced Materials of Tropical Island Resources, Ministry of Education, School of Chemistry and Chemical Engineering, Hainan University, Haikou 570228, China
| | - Dan Zhang
- Hainan Engineering Research Center of Tropical Ocean Advanced Opto-electrical Functional Materials, Key Laboratory of Laser Technology and Optoelectronic Functional Materials of Hainan Province, Key Laboratory of Functional Materials and Photoelectrochemistry of Haikou, Hainan Normal University, Haikou 571158, China
- College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China
| | - Juan Zhou
- Hainan Engineering Research Center of Tropical Ocean Advanced Opto-electrical Functional Materials, Key Laboratory of Laser Technology and Optoelectronic Functional Materials of Hainan Province, Key Laboratory of Functional Materials and Photoelectrochemistry of Haikou, Hainan Normal University, Haikou 571158, China
- College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China
| | - Weiting Yang
- Key Laboratory of Advanced Materials of Tropical Island Resources, Ministry of Education, School of Chemistry and Chemical Engineering, Hainan University, Haikou 570228, China
| | - Zhongmin Su
- Key Laboratory of Advanced Materials of Tropical Island Resources, Ministry of Education, School of Chemistry and Chemical Engineering, Hainan University, Haikou 570228, China
| | - Wei Sun
- Hainan Engineering Research Center of Tropical Ocean Advanced Opto-electrical Functional Materials, Key Laboratory of Laser Technology and Optoelectronic Functional Materials of Hainan Province, Key Laboratory of Functional Materials and Photoelectrochemistry of Haikou, Hainan Normal University, Haikou 571158, China
- College of Chemistry and Chemical Engineering, Hainan Normal University, Haikou 571158, China
| | - Changming Li
- School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
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16
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Zhang D, Chen Y, Hao M, Xia Y. Putting Hybrid Nanomaterials to Work for Biomedical Applications. Angew Chem Int Ed Engl 2024; 63:e202319567. [PMID: 38429227 PMCID: PMC11478030 DOI: 10.1002/anie.202319567] [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: 12/18/2023] [Revised: 02/29/2024] [Accepted: 03/01/2024] [Indexed: 03/03/2024]
Abstract
Hybrid nanomaterials have found use in many biomedical applications. This article provides a comprehensive review of the principles, techniques, and recent advancements in the design and fabrication of hybrid nanomaterials for biomedicine. We begin with an introduction to the general concept of material hybridization, followed by a discussion of how this approach leads to materials with additional functionality and enhanced performance. We then highlight hybrid nanomaterials in the forms of nanostructures, nanocomposites, metal-organic frameworks, and biohybrids, including their fabrication methods. We also showcase the use of hybrid nanomaterials to advance biomedical engineering in the context of nanomedicine, regenerative medicine, diagnostics, theranostics, and biomanufacturing. Finally, we offer perspectives on challenges and opportunities.
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Affiliation(s)
- Dong Zhang
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332 (USA)
| | - Yidan Chen
- School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, GA 30332 (USA)
| | - Min Hao
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332 (USA)
| | - Younan Xia
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, GA 30332 (USA); School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, GA 30332 (USA)
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17
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Lee S, Lee S, Park W, Lee S, Kwon S, Oh MJ, Haddadnezhad M, Jung I, Kim B, Park J, Shin KS, Lee H, Yoo J, Kim WK, Park S. Plasmonic Annular Nanotrenches with 1 nm Nanogaps for Detection of SARS-CoV-2 Using SERS-Based Immunoassay. NANO LETTERS 2024; 24:4233-4240. [PMID: 38557069 DOI: 10.1021/acs.nanolett.4c00451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
This study represents the synthesis of a novel class of nanoparticles denoted as annular Au nanotrenches (AANTs). AANTs are engineered to possess embedded, narrow circular nanogaps with dimensions of approximately 1 nm, facilitating near-field focusing for detection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) via a surface-enhanced Raman scattering (SERS)-based immunoassay. Notably, AANTs exhibited an exceedingly low limit of detection (LOD) of 1 fg/mL for SARS-CoV-2 spike glycoproteins, surpassing the commercially available enzyme-linked immunosorbent assay (ELISA) by 6 orders of magnitude (1 ng/mL from ELISA). To assess the real-world applicability, a study was conducted on 50 clinical samples using an SERS-based immunoassay with AANTs. The results revealed a sensitivity of 96% and a selectivity of 100%, demonstrating the significantly enhanced sensing capabilities of the proposed approach in comparison to ELISA and commercial lateral flow assay kits.
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Affiliation(s)
- Sungwoo Lee
- Department of Chemistry, Sungkyunkwan University, Suwon 16419, Republic of Korea
- Institute of Basic Science, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Seonghyeon Lee
- Department of Microbiology, College of Medicine, Hallym University, Chuncheon 24252, Republic of Korea
| | - Woongkyu Park
- Photonics Energy Components Research Center, Korea Photonics Technology Institute (KOPTI), Gwangju 61007, Republic of Korea
| | - Soohyun Lee
- Department of Chemistry, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Sunwoo Kwon
- Department of Chemistry, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Myeong Jin Oh
- Department of Chemistry, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | | | - Insub Jung
- Department of Chemistry, Sungkyunkwan University, Suwon 16419, Republic of Korea
- Institute of Basic Science, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Bohyeon Kim
- Department of Microbiology, College of Medicine, Hallym University, Chuncheon 24252, Republic of Korea
| | - Jieun Park
- Department of Microbiology, College of Medicine, Hallym University, Chuncheon 24252, Republic of Korea
| | - Kyu Sung Shin
- Laboratory Medicine, Chuncheon Sacred Heart Hospital, Hallym University College of Medicine, Chuncheon 24253, Republic of Korea
| | - Hyungdon Lee
- Department of Internal Medicine, College of Medicine, Hallym University, Chuncheon Sacred Heart Hospital, Chuncheon 24253, Republic of Korea
| | - Junsang Yoo
- Department of Molecular Biology, Nuturn Science, Seoul 04418, Republic of Korea
- Laboratory of Regenerative Medicine for Neurodegenerative Disease, Stand Up Therapeutics, Seoul 04418, Republic of Korea
| | - Won-Keun Kim
- Department of Microbiology, College of Medicine, Hallym University, Chuncheon 24252, Republic of Korea
- Institute of Medical Research, College of Medicine, Hallym University, Chuncheon 24252, Republic of Korea
| | - Sungho Park
- Department of Chemistry, Yonsei University, Seoul 03722, Republic of Korea
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18
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Oh MJ, Kwon S, Lee S, Jung I, Park S. Octahedron in a Cubic Nanoframe: Strong Near-Field Focusing and Surface-Enhanced Raman Scattering. ACS NANO 2024; 18:7656-7665. [PMID: 38416014 DOI: 10.1021/acsnano.4c00734] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/29/2024]
Abstract
Here, we describe the synthesis of a plasmonic particle-in-a-frame architecture in which a solid Au octahedron is enclosed by a Au cubic nanoframe. The octahedra are positioned inside and surrounded by outer Au cubic nanoframes, creating intra-nanogaps within a single entity. Six sharp vertexes in the Au octahedra point toward the open (100) facets of the cubic nanoframes. This allows not only efficient interactions with the surroundings but also tip-enhanced electromagnetic near-field focusing at the sharp tips of the octahedra, combined with intraparticle coupling. The solid core-frame shell structure enhances near-field focusing, giving rise to a heightened concentration of "hot spots". This effect enables highly sensitive detection of 2-naphthalenethiol and thiram, indicating these substrates for use in surface-enhanced Raman spectroscopy-related applications.
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Affiliation(s)
- Myeong Jin Oh
- Department of Chemistry, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Sunwoo Kwon
- Department of Chemistry, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Sungwoo Lee
- Department of Chemistry, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
- Institute of Basic Science, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Insub Jung
- Department of Chemistry, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
- Institute of Basic Science, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Sungho Park
- Department of Chemistry, Yonsei University, Seoul 03722, Republic of Korea
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19
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Jiang L, Wang X, Zhou J, Fu Q, Lv B, Sun Y, Song L, Huang Y. Plasmonic Multi-Layered Built-in Hotspots Nanogaps for Effectively Activating Analytes. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2306125. [PMID: 38044318 PMCID: PMC10870027 DOI: 10.1002/advs.202306125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 10/20/2023] [Indexed: 12/05/2023]
Abstract
Multi-layered plasmonic nanostructures are able to highly promote the near-field confinement and effectively activate analytes, which are of predominate significance but are extremely challenging. Herein, the semi-open Au core@carved AuAg multi-shell superstructure nanoparticles (multi-Au@Ag-Au NPs, multi = mono, bi, tri, tetra, and penta) are reported with a high designability on electromagnetic field and capability of effectively capturing analytes. By controlling synthetic parameters such as the number of galvanic exchange and Ag growth, multi-Au@Ag-Au NPs are successfully obtained, with tunable layer numbers and asymmetric nanoholes. Due to collective plasmon oscillations of multi-layered built-in nanogaps, the electromagnetic field strength of a single penta-Au@Ag-Au entity reach 48841. More importantly, the penta-Au@Ag-Au NPs show a remarkable light-harvesting capability, which is adaptive to different Raman lasers, supporting high-diversity detection. Additionally, the structural specificity allows analytes to be sufficiently captured into interior hotspots, and further achieve highly sensitive detection with limit of detection down to 3.22 × 10-12 M. This study not only provides an effective pathway for integrating abundant hotspots and activating target molecules in single plasmonic superstructure, but stimulates advancements in SERS substrates for various applications.
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Affiliation(s)
- Lei Jiang
- College of MaterialChemistry and Chemical EngineeringKey Laboratory of Organosilicon Chemistry and Material TechnologyMinistry of EducationHangzhou Normal UniversityHangzhouZhejiang311121China
| | - Xiaoyuan Wang
- College of MaterialChemistry and Chemical EngineeringKey Laboratory of Organosilicon Chemistry and Material TechnologyMinistry of EducationHangzhou Normal UniversityHangzhouZhejiang311121China
| | - Jingyi Zhou
- College of MaterialChemistry and Chemical EngineeringKey Laboratory of Organosilicon Chemistry and Material TechnologyMinistry of EducationHangzhou Normal UniversityHangzhouZhejiang311121China
| | - Qianqian Fu
- College of MaterialChemistry and Chemical EngineeringKey Laboratory of Organosilicon Chemistry and Material TechnologyMinistry of EducationHangzhou Normal UniversityHangzhouZhejiang311121China
| | - Bihu Lv
- Department of Scientific Facilities Development and ManagementZhejiang LaboratoryHangzhou311100China
| | - Yixuan Sun
- Department of Scientific Facilities Development and ManagementZhejiang LaboratoryHangzhou311100China
| | - Liping Song
- College of MaterialChemistry and Chemical EngineeringKey Laboratory of Organosilicon Chemistry and Material TechnologyMinistry of EducationHangzhou Normal UniversityHangzhouZhejiang311121China
| | - Youju Huang
- College of MaterialChemistry and Chemical EngineeringKey Laboratory of Organosilicon Chemistry and Material TechnologyMinistry of EducationHangzhou Normal UniversityHangzhouZhejiang311121China
- Laboratory for Functional Molecules MaterialsWestlake UniversityHangzhouZhejiang310030China
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20
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Zhao Q, Lee J, Oh MJ, Park W, Lee S, Jung I, Park S. Three-Dimensional Au Octahedral Nanoheptamers: Single-Particle and Bulk Near-Field Focusing for Surface-Enhanced Raman Scattering. NANO LETTERS 2024; 24:1074-1080. [PMID: 38236762 DOI: 10.1021/acs.nanolett.3c03469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/01/2024]
Abstract
Herein, we present a synthetic approach to fabricate Au nanoheptamers composed of six individual Au nanospheres interconnected through thin metal bridges arranged in an octahedral configuration. The resulting structures envelop central Au nanospheres, producing Au nanosphere heptamers with an open architectural arrangement. Importantly, the initial Pt coating of the Au nanospheres is a crucial step for protecting the inner Au nanospheres during multiple reactions. As-synthesized Au nanoheptamers exhibit multiple hot spots formed by nanogaps between nanospheres, resulting in strong electromagnetic near-fields. Additionally, we conducted surface-enhanced Raman-scattering-based detection of a chemical warfare agent simulant in the gas phase and achieved a limit of detection of 100 ppb, which is 3 orders lower than that achieved using Au nanospheres and Au nanohexamers. This pseudocore-shell nanostructure represents a significant advancement in the realm of complex nanoparticle synthesis, moving the field one step closer to sophisticated nanoparticle engineering.
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Affiliation(s)
- Qiang Zhao
- Department of Chemistry, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
| | - Jaewon Lee
- Department of Chemistry, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
| | - Myeong Jin Oh
- Department of Chemistry, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
| | - Woocheol Park
- Department of Chemistry, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
| | - Sungwoo Lee
- Department of Chemistry, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
- Institute of Basic Science, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
| | - Insub Jung
- Department of Chemistry, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
- Institute of Basic Science, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
| | - Sungho Park
- Department of Chemistry, Yonsei University, Seoul 03722, Republic of Korea
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21
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Scarpitti BT, Fan S, Lomax-Vogt M, Lutton A, Olesik JW, Schultz ZD. Accurate Quantification and Imaging of Cellular Uptake Using Single-Particle Surface-Enhanced Raman Scattering. ACS Sens 2024; 9:73-80. [PMID: 38100727 PMCID: PMC10958331 DOI: 10.1021/acssensors.3c01648] [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] [Indexed: 12/17/2023]
Abstract
Understanding the uptake, distribution, and stability of gold nanoparticles (NPs) in cells is of fundamental importance in nanoparticle sensors and therapeutic development. Single nanoparticle imaging with surface-enhanced Raman spectroscopy (SERS) measurements in cells is complicated by aggregation-dependent SERS signals, particle inhomogeneity, and limited single-particle brightness. In this work, we assess the single-particle SERS signals of various gold nanoparticle shapes and the role of silica encapsulation on SERS signals to develop a quantitative probe for single-particle level Raman imaging in living cells. We observe that silica-encapsulated gap-enhanced Raman tags (GERTs) provide an optimized probe that can be quantifiable per voxel in SERS maps of cells. This approach is validated by single-particle inductively coupled mass spectrometry (spICP-MS) measurements of NPs in cell lysate post-imaging. spICP-MS also provides a means of measuring the tag stability. This analytical approach can be used not only to quantitatively assess nanoparticle uptake on the cellular level (as in previous digital SERS methods) but also to reliably image the subcellular distribution and to assess the stability of NPs in cells.
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Affiliation(s)
- Brian T. Scarpitti
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio, 43210, USA
| | - Sanjun Fan
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio, 43210, USA
| | - Madeleine Lomax-Vogt
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio, 43210, USA
| | - Anthony Lutton
- School of Earth Sciences, The Ohio State University, Columbus, Ohio, 43210, USA
| | - John W. Olesik
- School of Earth Sciences, The Ohio State University, Columbus, Ohio, 43210, USA
| | - Zachary D. Schultz
- Department of Chemistry and Biochemistry, The Ohio State University, Columbus, Ohio, 43210, USA
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22
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Hilal H, Haddadnezhad M, Oh MJ, Jung I, Park S. Plasmonic Dodecahedral-Walled Elongated Nanoframes for Surface-Enhanced Raman Spectroscopy. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2304567. [PMID: 37688300 DOI: 10.1002/smll.202304567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 07/14/2023] [Indexed: 09/10/2023]
Abstract
Here, elongated pseudohollow nanoframes composed of four rectangular plates enclosing the sides and two open-frame ends with four ridges pointing at the tips for near-field focusing are reported. The side facets act as light-collecting domains and transfer the collected light to the sharp tips for near-field focusing. The nanoframes are hollow inside, allowing the gaseous analyte to penetrate through the entire architecture and enabling efficient detection of gaseous analytes when combined with Raman spectroscopy. The resulting nanostructures are named Au dodecahedral-walled nanoframes. Synthesis of the nanoframes involves shape transformation of Au nanorods with round tips to produce Au-elongated dodecahedra, followed by facet-selective Pt growth, etching of the inner Au, and regrowth steps. The close-packed assembly of Au dodecahedral-walled nanoframes exhibits an attomolar limit of detection toward benzenethiol. This significant enhancement in SERS is attributed to the presence of a flat solid terrace for a large surface area, sharp edges and vertices for strong electromagnetic near-field collection, and open frames for effective analyte transport and capture. Moreover, nanoframes are applied to detect chemical warfare agents, specifically mustard gas simulants, and 20 times higher sensitivity is achieved compared to their solid counterparts.
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Affiliation(s)
- Hajir Hilal
- Department of Chemistry, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | | | - Myeong Jin Oh
- Department of Chemistry, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Insub Jung
- Department of Chemistry, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
- Institute of Basic Science, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
| | - Sungho Park
- Department of Chemistry, Sungkyunkwan University (SKKU), Suwon, 16419, Republic of Korea
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23
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Luo B, Wang W, Zhao Y, Zhao Y. Hot-Electron Dynamics Mediated Medical Diagnosis and Therapy. Chem Rev 2023; 123:10808-10833. [PMID: 37603096 DOI: 10.1021/acs.chemrev.3c00475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/22/2023]
Abstract
Surface plasmon resonance excitation significantly enhances the absorption of light and increases the generation of "hot" electrons, i.e., conducting electrons that are raised from their steady states to excited states. These excited electrons rapidly decay and equilibrate via radiative and nonradiative damping over several hundred femtoseconds. During the hot-electron dynamics, from their generation to the ultimate nonradiative decay, the electromagnetic field enhancement, hot electron density increase, and local heating effect are sequentially induced. Over the past decade, these physical phenomena have attracted considerable attention in the biomedical field, e.g., the rapid and accurate identification of biomolecules, precise synthesis and release of drugs, and elimination of tumors. This review highlights the recent developments in the application of hot-electron dynamics in medical diagnosis and therapy, particularly fully integrated device techniques with good application prospects. In addition, we discuss the latest experimental and theoretical studies of underlying mechanisms. From a practical standpoint, the pioneering modeling analyses and quantitative measurements in the extreme near field are summarized to illustrate the quantification of hot-electron dynamics. Finally, the prospects and remaining challenges associated with biomedical engineering based on hot-electron dynamics are presented.
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Affiliation(s)
- Bing Luo
- School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China
| | - Wei Wang
- School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an 710049, People's Republic of China
| | - Yuxin Zhao
- The State Key Laboratory of Service Behavior and Structural Safety of Petroleum Pipe and Equipment Materials, CNPC Tubular Goods Research Institute (TGRI), Xi'an 710077, People's Republic of China
| | - Yanli Zhao
- School of Chemistry, Chemical Engineering and Biotechnology, Nanyang Technological University, Singapore 637371, Singapore
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24
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Li X, Min Y, Liu F, Liu M, Zheng Y. Glutathione-Mediated Synthesis of Yolk-Shell AuAg Nanostructures Containing a Spherical Core and Cuboctahedral Skeletons and Their Applications in Plasmonic Catalysis. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:11788-11796. [PMID: 37567582 DOI: 10.1021/acs.langmuir.3c01506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/13/2023]
Abstract
Frame/skeleton-like nanostructures are of great value in plasmonic catalysis as a result of the synergetic structural advantages arising from both maximized surface atomic exposure and efficient incident light absorptions. Herein, we report the size-tunable fabrication of yolk-shell AuAg nanoparticles containing a spherical core and cuboctahedral skeletons (AuAg YSCNSs), together with the exploration of their applications for assisting the reduction of 4-nitrophenol (4-NP) under ultraviolet-visible (UV-vis) light irradiation. The use of glutathione (GSH) at an appropriate amount to mediate the galvanic replacement reaction between Au@Ag core-shell nanocubes and HAuCl4 is found to be crucial in regulating the shape evolution. Their sizes could be readily tuned by altering the edge lengths of Au@Ag core-shell nanocubes. When working as the photocatalyst assisting the reduction of 4-NP, the AuAg YSCNSs exhibit a higher apparent rate constant under UV-vis light irradiation. The current work demonstrates the feasibility to create skeleton-like noble metal nanocrystals with the shape largely deviated from that of the original template via the "top-down" carving strategy by introducing non-metallic surface doping, which could be potentially extended to other noble metals or alloys.
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Affiliation(s)
- Xiaoyu Li
- School of Chemistry, Chemical Engineering, and Materials, Jining University, Qufu, Shandong 273155, People's Republic of China
| | - Yuanyuan Min
- School of Chemistry, Chemical Engineering, and Materials, Jining University, Qufu, Shandong 273155, People's Republic of China
| | - Feng Liu
- International Research Center for Renewable Energy, National Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, People's Republic of China
| | - Maochang Liu
- International Research Center for Renewable Energy, National Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, People's Republic of China
| | - Yiqun Zheng
- School of Chemistry, Chemical Engineering, and Materials, Jining University, Qufu, Shandong 273155, People's Republic of China
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25
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Haddadnezhad M, Jung I, Park W, Lee JW, Park W, Kim J, Park S. Plasmonic Double-Walled Nanoframes with Face-to-Face Nanogaps for Strong SERS Activity. NANO LETTERS 2023; 23:6831-6838. [PMID: 37083287 DOI: 10.1021/acs.nanolett.3c00679] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
A synthesis method for plasmonic double-walled nanoframes was developed, where single-walled truncated octahedral nanoframes with (111) open facets and (100) solid flat planes are nested in a core-shell manner. By applying multiple chemical toolkits to Au cuboctahedrons as a starting template, Au double-walled nanoframes with controllable face-to-face nanogaps were successfully synthesized in high homogeneity in size and shape. Importantly, when the gap distance between inner and outer flat walled frames became closer, augmentation of electromagnetic near-field focusing was achieved, leading to generation of hot-zones, which was verified by surface-enhanced Raman spectroscopy. The unique optical property of Au double-walled nanoframes with high structural intricacy was carefully investigated and the SERS substrates comprising Au double-walled nanoframes with the narrowest nanogaps exhibited much improved near-field enhancement toward strongly and/or weakly adsorbing analytes, allowing for gas phase detection in chemical warfare agents, which is a huge challenge in early warning systems.
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Affiliation(s)
| | - Insub Jung
- Department of Chemistry, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
- Institute of Basic Science, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
| | - Woongkyu Park
- Photonic & Digital Therapy Research Center, Korea Photonics Technology Institute (KOPTI), Gwangju 61007, Republic of Korea
| | - Joong Wook Lee
- Department of Physics and Optoelectronics Convergence Research Center, Chonnam National University, Gwangju 61186, Republic of Korea
| | - Woocheol Park
- Department of Chemistry, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
| | - Jeongwon Kim
- Department of Chemistry, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
| | - Sungho Park
- Department of Chemistry, Sungkyunkwan University (SKKU), Suwon 16419, Republic of Korea
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26
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Qiao Z, Wei X, Liu H, Liu K, Gao C. Seed-Mediated Synthesis of Thin Gold Nanoplates with Tunable Edge Lengths and Optical Properties. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13040711. [PMID: 36839081 PMCID: PMC9961956 DOI: 10.3390/nano13040711] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 02/06/2023] [Accepted: 02/10/2023] [Indexed: 06/13/2023]
Abstract
Thin Au nanoplates show intriguing localized surface plasmon resonance (LSPR) properties with potential applications in various fields. The conventional synthesis of Au nanoplates usually involves the formation of spherical nanoparticles or produces nanoplates with large thicknesses. Herein, we demonstrate a synthesis of uniform thin Au nanoplates by using Au-Ag alloy nanoframes obtained by the galvanic replacement of Ag nanoplates with HAuCl4 as the seeds and a sulfite (SO32-) as a ligand. The SO32- ligand not only complexes with the Au salt for the controlled reduction kinetics but also strongly adsorbs on Au {111} facets for effectively constraining the crystal growth on both basal sides of the Au nanoplates for controlled shape and reduced thicknesses. This seed-mediated synthesis affords Au nanoplates with a thickness of only 7.5 nm, although the thickness increases with the edge length. The edge length can be customizable in a range of 48-167 nm, leading to tunable LSPR bands in the range of 600-1000 nm. These thin Au nanoplates are applicable not only to surface-enhanced Raman spectroscopy with enhanced sensitivity and reliability but also to a broader range of LSPR-based applications.
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Affiliation(s)
| | | | | | - Kai Liu
- Correspondence: (K.L.); (C.G.)
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27
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Jung I, Kim J, Lee S, Park W, Park S. Multiple Stepwise Synthetic Pathways toward Complex Plasmonic 2D and 3D Nanoframes for Generation of Electromagnetic Hot Zones in a Single Entity. Acc Chem Res 2023; 56:270-283. [PMID: 36693060 DOI: 10.1021/acs.accounts.2c00670] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
ConspectusRational design of nanocrystals with high controllability via wet chemistry is of critical importance in all areas of nanoscience and nanotechnology research. Specifically, morphologically complex plasmonic nanoparticles have received considerable attention because light-matter interactions are strongly associated with the size and shape of nanoparticles. Among many types of nanostructures, plasmonic nanoframes (NFs) with controllable structural intricacy could be excellent candidates as strong light-entrappers with inner voids as well as high surface area, leading to highly effective interaction with light and analytes compared to their solid counterparts. However, so far studies on single-rim-based NFs have suffered from insufficient near-field focusing capability due to their structural simplicity (e.g., a single rim or NF molded from simple platonic solids), which necessitates a conceptually new NF architecture. If one considers a stereoscopic nanostructure with dual, triple, and multiple resonant intra-nanogaps on each crystallographic facet of nanocrystals, unprecedented physicochemical properties could be expected. Realizing such complex multiple NFs with intraparticle surface plasmon coupling via localized surface plasmon resonance is very challenging due to the lack of synthetic strategic principles with systematic structural control, all of which require a deep understanding of surface chemistry. Moreover, realizing those complex architectures with high homogeneity in size and shape via a bottom-up method where diverse particle interactions are involved is more challenging. Although there have been several reports on NFs used for catalysis, techniques for production of structurally complex NFs with high uniformity and an understanding of the correlation between such complexity in a single plasmonic entity and electromagnetic near-field focusing have remained highly elusive.In this Account, we will summarize and highlight the rational synthetic pathways for the design of complex two-dimensional (2D) and three-dimensional (3D) NFs with unique inner rim structures and characterize their optical properties. This systematic strategy is based on publications from our group during the last 10 years. First, we will introduce a chemical step of shape transformation of triangular Au nanoplates to circular and hexagonal plates, which are used as sacrificial layers for the formation of NFs. Then, we will describe the methods on how to synthesize monorim-based plasmonic NFs using Pt scaffolds with different shapes and correlate with their electromagnetic near-field. Then, we will describe a multiple stepwise synthetic method for the formation of 2D complex NFs wherein different starting Au nanocrystals evolved from systematic shape transformation are used to produce circular, triangular, hexagonal, crescent, and Y-shaped inner hot zones. Then, we will discuss how one can synthesize NFs with multiple rims wherein rims with different diameters are concentrically connected, by exploiting chemical toolkits such as eccentric and concentric growth of Au, borrowing the concept of total synthesis that is frequently adopted in organic chemistry. We then introduce dual-rim-faceted NFs and frame-in-frame 3D matryoshka NF geometries via well-faceted growth of Au with high control of intra-nanogaps. Finally, and importantly, we will provide examples of more advanced hierarchical NF architectures produced by controlling geometrical shapes of nanoparticles, number of rims, and different components, leading to the expansion of the NF library.
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Affiliation(s)
- Insub Jung
- Department of Chemistry, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon 16419, Republic of Korea.,Institute of Basic Science, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon 16419, Republic of Korea
| | - Jeongwon Kim
- Department of Chemistry, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon 16419, Republic of Korea
| | - Sungwoo Lee
- Department of Chemistry, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon 16419, Republic of Korea.,Institute of Basic Science, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon 16419, Republic of Korea
| | - Woocheol Park
- Department of Chemistry, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon 16419, Republic of Korea
| | - Sungho Park
- Department of Chemistry, Sungkyunkwan University (SKKU), 2066 Seobu-ro, Jangan-gu, Suwon 16419, Republic of Korea
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28
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Lee S, Jung I, Lee S, Lee J, Oh MJ, Park M, Haddadnezhad M, Park W, Park S. Bimetallic alloy Ag@Au nanorings with hollow dual-rims focus near-field on circular intra-nanogaps. NANOSCALE HORIZONS 2023; 8:185-194. [PMID: 36606451 DOI: 10.1039/d2nh00529h] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Here, we report a highly sensitive and reliable surface enhanced Raman scattering (SERS)-based immunoassay using bimetallic alloy Ag@Au hollow dual-rim nanorings (DRNs) where two hollow nanorings with different diameters are concentrically overlapped and connected by thin metal ligaments, forming circular hot-zones in the intra-nanogaps between the inner and outer rims. Pt DRNs were first prepared, and then Ag was deposited on the surface of the Pt skeleton, followed by Au coating, resulting in alloy Ag@Au hollow DRNs. The chemical stability of Au and the high optical properties of Ag are incorporated into a single entity, Ag@Au hollow DRNs, enabling strong single-particle SERS activity and biocompatibility through surface modification with thiol-containing functionalities. When Ag@Au hollow DRNs were utilized as nanoprobes for detecting human chorionic gonadotropin (HCG) hormone through a SERS-based immunoassay, a very low limit of detection of 10 pM with high reliability was achieved, strongly indicating their advantage as ultrasensitive SERS nanoprobes.
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Affiliation(s)
- Sungwoo Lee
- Department of Chemistry, Sungkyunkwan University, Suwon 16419, South Korea
- Institute of Basic Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Insub Jung
- Department of Chemistry, Sungkyunkwan University, Suwon 16419, South Korea
- Institute of Basic Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Soohyun Lee
- Department of Chemistry, Sungkyunkwan University, Suwon 16419, South Korea
| | - Jaewon Lee
- Department of Chemistry, Sungkyunkwan University, Suwon 16419, South Korea
| | - Myeong Jin Oh
- Department of Chemistry, Sungkyunkwan University, Suwon 16419, South Korea
| | - Minsun Park
- Department of Chemistry, Sungkyunkwan University, Suwon 16419, South Korea
| | | | - Woocheol Park
- Department of Chemistry, Sungkyunkwan University, Suwon 16419, South Korea
| | - Sungho Park
- Department of Chemistry, Sungkyunkwan University, Suwon 16419, South Korea
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29
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An T, Wen J, Dong Z, Zhang Y, Zhang J, Qin F, Wang Y, Zhao X. Plasmonic Biosensors with Nanostructure for Healthcare Monitoring and Diseases Diagnosis. SENSORS (BASEL, SWITZERLAND) 2022; 23:445. [PMID: 36617043 PMCID: PMC9824517 DOI: 10.3390/s23010445] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 12/20/2022] [Accepted: 12/20/2022] [Indexed: 06/17/2023]
Abstract
Nanophotonics has been widely utilized in enhanced molecularspectroscopy or mediated chemical reaction, which has major applications in the field of enhancing sensing and enables opportunities in developing healthcare monitoring. This review presents an updated overview of the recent exciting advances of plasmonic biosensors in the healthcare area. Manufacturing, enhancements and applications of plasmonic biosensors are discussed, with particular focus on nanolisted main preparation methods of various nanostructures, such as chemical synthesis, lithography, nanosphere lithography, nanoimprint lithography, etc., and describing their respective advances and challenges from practical applications of plasmon biosensors. Based on these sensing structures, different types of plasmonic biosensors are summarized regarding detecting cancer biomarkers, body fluid, temperature, gas and COVID-19. Last, the existing challenges and prospects of plasmonic biosensors combined with machine learning, mega data analysis and prediction are surveyed.
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Affiliation(s)
- Tongge An
- College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Jiahong Wen
- The College of Electronics and Information, Hangzhou Dianzi University, Hangzhou 310018, China
- Shangyu Institute of Science and Engineering, Hangzhou Dianzi University, Shaoxing 312000, China
| | - Zhichao Dong
- College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Yongjun Zhang
- College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Jian Zhang
- College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Faxiang Qin
- Institute for Composites Science Innovation, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, China
| | - Yaxin Wang
- College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Xiaoyu Zhao
- College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
- Zhejiang Laboratory, Hangzhou 311100, China
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