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Sun T, Lin Y, Yu Y, Gao S, Gao X, Zhang H, Lin K, Lin J. Low-abundance proteins-based label-free SERS approach for high precision detection of liver cancer with different stages. Anal Chim Acta 2024; 1304:342518. [PMID: 38637045 DOI: 10.1016/j.aca.2024.342518] [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: 08/20/2023] [Revised: 11/13/2023] [Accepted: 03/21/2024] [Indexed: 04/20/2024]
Abstract
BACKGROUND Surface-enhanced Raman scattering (SERS) technology have unique advantages of rapid, simple, and highly sensitive in the detection of serum, it can be used for the detection of liver cancer. However, some protein biomarkers in body fluids are often present at ultra-low concentrations and severely interfered with by the high-abundance proteins (HAPs), which will affect the detection of specificity and accuracy in cancer screening based on the SERS immunoassay. Clearly, there is a need for an unlabeled SERS method based on low abundance proteins, which is rapid, noninvasive, and capable of high precision detection and screening of liver cancer. RESULTS Serum samples were collected from 60 patients with liver cancer (27 patients with stage T1 and T2 liver cancer, 33 patients with stage T3 and T4 liver cancer) and 40 healthy volunteers. Herein, immunoglobulin and albumin were separated by immune sorption and Cohn ethanol fractionation. Then, the low abundance protein (LAPs) was enriched, and high-quality SERS spectral signals were detected and obtained. Finally, combined with the principal component analysis-linear discriminant analysis (PCA-LDA) algorithm, the SERS spectrum of early liver cancer (T1-T2) and advanced liver cancer (T3-T4) could be well distinguished from normal people, and the accuracy rate was 98.5% and 100%, respectively. Moreover, SERS technology based on serum LAPs extraction combined with the partial least square-support vector machine (PLS-SVM) successfully realized the classification and prediction of normal volunteers and liver cancer patients with different tumor (T) stages, and the diagnostic accuracy of PLS-SVM reached 87.5% in the unknown testing set. SIGNIFICANCE The experimental results show that the serum LAPs SERS detection combined with multivariate statistical algorithms can be used for effectively distinguishing liver cancer patients from healthy volunteers, and even achieved the screening of early liver cancer with high accuracy (T1 and T2 stage). These results showed that serum LAPs SERS detection combined with a multivariate statistical diagnostic algorithm has certain application potential in early cancer screening.
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Affiliation(s)
- Tong Sun
- School of Opto-electronic and Communication Engineering, Xiamen University of Technology, Xiamen, Fujian, 361024, China
| | - Yamin Lin
- MOE Key Laboratory of Opto Electronic Science and Technology for Medicine and Fujian Provincial Key Laboratory for Photonics Technology, Fujian Normal University, Fuzhou, Fujian, 350007, China
| | - Yun Yu
- College of Integrative Medicine, Laboratory of Pathophysiology, Key Laboratory of Integrative Medicine on Chronic Diseases (Fujian Province University), Synthesized Laboratory of Integrative Medicine, Fujian University of Traditional Chinese Medicine, Fuzhou, 350122, China.
| | - Siqi Gao
- Key Laboratory of Optoelectronic Devices and Systems of Guangdong Province and the Ministry of Education, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Xingen Gao
- School of Opto-electronic and Communication Engineering, Xiamen University of Technology, Xiamen, Fujian, 361024, China
| | - Hongyi Zhang
- School of Opto-electronic and Communication Engineering, Xiamen University of Technology, Xiamen, Fujian, 361024, China
| | - Kecan Lin
- Department of Hepatobiliary Surgery, Mengchao Hepatobiliary Hospital of Fujian Medical University, Fuzhou, 350025, China
| | - Juqiang Lin
- School of Opto-electronic and Communication Engineering, Xiamen University of Technology, Xiamen, Fujian, 361024, China.
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Qi Z, Akhmetzhanov T, Pavlova A, Smirnov E. Reusable SERS Substrates Based on Gold Nanoparticles for Peptide Detection. SENSORS (BASEL, SWITZERLAND) 2023; 23:6352. [PMID: 37514646 PMCID: PMC10384829 DOI: 10.3390/s23146352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Revised: 06/30/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023]
Abstract
Raman spectroscopy is a powerful analytical technique widely used for quantitative and qualitative analysis. However, the development of inexpensive, reproducible, and reusable enhancing substrates remains a challenge for material scientists and analytical chemists. In this study, we address this challenge by demonstrating the deposition of core-shell nanoparticles consisting of a gold core and a thin inert SiO2 shell within a confined space, resulting in the formation of a highly efficient Raman-enhancing structure. Nanoparticles were characterized by UV-vis spectroscopy, dynamic light scattering, and total reflectance X-ray fluorescence spectroscopy, whereas the prepared substrates were characterized by scanning electron microscopy and Raman spectroscopy with a model molecule, malachite green. The relationship between Raman intensity and the loading of malachite green dye exhibited linearity, indicating the uniform spatial distribution of hotspots across the substrate. The limit of detection was determined as 2.9 μM of malachite green when 10 uL was distributed over a ca. 25 mm2 surface area. Moreover, the same substrate, after thorough washing in ethanol, was successfully employed for the detection of bovine serum albumin at a concentration level of 55 μg mL-1, demonstrating its reusability and versatility. Our findings highlight the potential of these substrates for various applications in biomedical research, clinical diagnosis, and beyond.
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Affiliation(s)
- Zhang Qi
- Department of Material Science, Shenzhen MSU-BIT University, International University Park Road 1, Dayun New Town, Longgang District, Shenzhen 518172, China
| | - Timur Akhmetzhanov
- Department of Material Science, Shenzhen MSU-BIT University, International University Park Road 1, Dayun New Town, Longgang District, Shenzhen 518172, China
| | - Arina Pavlova
- Infochemistry Scientific Center, ITMO University, Lomonosova Str. 9, Saint Petersburg 191002, Russia
| | - Evgeny Smirnov
- Department of Material Science, Shenzhen MSU-BIT University, International University Park Road 1, Dayun New Town, Longgang District, Shenzhen 518172, China
- Infochemistry Scientific Center, ITMO University, Lomonosova Str. 9, Saint Petersburg 191002, Russia
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Lan L, Fan X, Yu S, Gao J, Zhao C, Hao Q, Qiu T. Flexible Two-Dimensional Vanadium Carbide MXene-Based Membranes with Ultra-Rapid Molecular Enrichment for Surface-Enhanced Raman Scattering. ACS APPLIED MATERIALS & INTERFACES 2022; 14:40427-40436. [PMID: 35998890 DOI: 10.1021/acsami.2c10800] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Two-dimensional (2D) MXene materials have attracted broad interest in surface-enhanced Raman scattering (SERS) applications by virtue of their abundant surface terminations and excellent photoelectric properties. Herein, we propose to design highly sensitive MXene-based SERS membranes by integrating a 2D downsizing strategy with molecular enrichment approaches. Two types of 2D vanadium carbide (V4C3 and V2C) MXenes are demonstrated for ultrasensitive SERS sensing, and corresponding SERS mechanisms including the effect of 2D vanadium carbide thickness on their electron density states and interfacial photoinduced charge transfer resonance were discussed. A 2D downsizing strategy authorizes nonplasmonic SERS detection with a sensitivity of 1 × 10-7 M. Moreover, the performance can be further upgraded by vacuum-assisted filtration, which enables an ultrarapid molecular enrichment (within 2 min), ultrahigh molecular removal rate (over 95%), and improved sensitivity (5 × 10-9 M). This work may shed light on the MXene-based materials as an innovative platform for nonplasmonic SERS detection.
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Affiliation(s)
- Leilei Lan
- School of Mechanics and Optoelectronics Physics, Anhui University of Science and Technology, Huainan 232001, China
- School of Physics, Southeast University, Nanjing 211189, China
| | - Xingce Fan
- School of Physics, Southeast University, Nanjing 211189, China
| | - Shaobo Yu
- School of Physics, Southeast University, Nanjing 211189, China
| | - Juan Gao
- School of Mechanics and Optoelectronics Physics, Anhui University of Science and Technology, Huainan 232001, China
| | - Caiye Zhao
- School of Mechanics and Optoelectronics Physics, Anhui University of Science and Technology, Huainan 232001, China
| | - Qi Hao
- School of Physics, Southeast University, Nanjing 211189, China
| | - Teng Qiu
- School of Physics, Southeast University, Nanjing 211189, China
- Center for Flexible RF Technology, Frontiers Science Center for Mobile Information Communication and Security, Southeast University, Nanjing 210096, China
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Wang H, Ma H, Fang P, Xin Y, Li C, Wan X, He Z, Jia J, Ling Z. Dynamic confocal Raman spectroscopy of flowing blood in bionic blood vessel. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 259:119890. [PMID: 33971440 DOI: 10.1016/j.saa.2021.119890] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 03/09/2021] [Accepted: 04/25/2021] [Indexed: 06/12/2023]
Abstract
How to quickly and safely identify blood species has always been an urgent problem for scientists. Smear test method has the risk of blood contamination, and the blood itself may carry some unknown viruses or pathogens, which will bring health risks to the testing personnel. Therefore, in order to meet the urgent needs of rapid and safe detection of blood, a technology which can detect dynamic confocal Raman spectroscopy of flowing blood in bionic blood vessel was proposed. The blood, which was sealed in the bionic blood vessel, flowed through the focus gaze area of laser by the microfluidic pump, to detect the dynamic blood Raman spectrum. Human blood and cattle blood were selected as experimental objects, and the experiments were carried out under the same parameters. Combined with PCA-LDA (principal component analysis and linear discriminate analysis) classification model, the predictive classification of the two species without error recognition was realized. The hidden weak Raman signals were mined by derivative spectra, and the fundamental differences of Raman spectra of two species were compared. Then the biochemical information that caused the differences was also analyzed. The results show the method can meet the detection requirements of sealed blood, and the Raman spectra of flowing blood is more representative than those of static blood.
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Affiliation(s)
- Hongpeng Wang
- Key Laboratory of Space Active Opto-Electronics Technology of the Chinese Academy of Sciences, Shanghai 200083, China; Shanghai Institute of Technical Physics of the Chinese Academy of Sciences, Shanghai 200083, China
| | - Huanzhen Ma
- School of Life Science, Hangzhou Institute for Advanced Study, UCAS, Hangzhou 310024, China; University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Peipei Fang
- School of Life Science, Hangzhou Institute for Advanced Study, UCAS, Hangzhou 310024, China; University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Yingjian Xin
- Key Laboratory of Space Active Opto-Electronics Technology of the Chinese Academy of Sciences, Shanghai 200083, China; Shanghai Institute of Technical Physics of the Chinese Academy of Sciences, Shanghai 200083, China; University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Chenhong Li
- Key Laboratory of Space Active Opto-Electronics Technology of the Chinese Academy of Sciences, Shanghai 200083, China; Shanghai Institute of Technical Physics of the Chinese Academy of Sciences, Shanghai 200083, China; University of the Chinese Academy of Sciences, Beijing 100049, China
| | - Xiong Wan
- Key Laboratory of Space Active Opto-Electronics Technology of the Chinese Academy of Sciences, Shanghai 200083, China; School of Life Science, Hangzhou Institute for Advanced Study, UCAS, Hangzhou 310024, China; Shanghai Institute of Technical Physics of the Chinese Academy of Sciences, Shanghai 200083, China.
| | - Zhiping He
- Key Laboratory of Space Active Opto-Electronics Technology of the Chinese Academy of Sciences, Shanghai 200083, China; Shanghai Institute of Technical Physics of the Chinese Academy of Sciences, Shanghai 200083, China.
| | - Jianjun Jia
- Key Laboratory of Space Active Opto-Electronics Technology of the Chinese Academy of Sciences, Shanghai 200083, China; Shanghai Institute of Technical Physics of the Chinese Academy of Sciences, Shanghai 200083, China; Shanghai Research Center for Quantum Sciences, Shanghai 201315, China.
| | - Zongcheng Ling
- Shandong Key Laboratory of Optical Astronomy and Solar-Terrestrial Environment, School of Space Science and Physics, Institute of Space Sciences, Shandong University, Weihai, Shandong 264209, China
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Qu Q, Wang J, Zeng C, Wang M, Qi W, He Z. AuNP array coated substrate for sensitive and homogeneous SERS-immunoassay detection of human immunoglobulin G. RSC Adv 2021; 11:22744-22750. [PMID: 35480431 PMCID: PMC9034334 DOI: 10.1039/d1ra02404c] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 06/16/2021] [Indexed: 11/21/2022] Open
Abstract
Owing to the high sensitivity, fast responsiveness and high specificity, immunoassays using surface-enhanced Raman scattering (SERS) as the readout signal displayed great potential in disease diagnosis. In this study, we developed a SERS-immunoassay method for the detection of human immunoglobulin G (HIgG). Upon involving well-ordered AuA on a SERSIA substrate, the LSPR effect was further enhanced to generate a strong and uniform Raman signal through the formation of sandwich structure with the addition of target HIgG and SERSIA tag. Optimization of the assay provided a wide linear range (0.1–200 μg mL−1) and low limit of detection (0.1 μg mL−1). In addition, the SERS-immunoassay method displayed excellent specificity and was homogeneous, which guaranteed the practical use of this method in the quantitative detection of HIgG. To validate this assay, human serum was analysed, which demonstrated the potential advantages of SERS-immunoassay technology in clinical diagnostics. An AuNP array coated substrate was developed for the SERS-immunoassay detection of human immunoglobulin G.![]()
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Affiliation(s)
- Qi Qu
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University Tianjin 300350 P. R. China
| | - Jing Wang
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University Tianjin 300350 P. R. China
| | - Chuan Zeng
- Technical Center of Zhuhai Entry-Exit Inspection and Quarantine Bureau Zhuhai P. R. China
| | - Mengfan Wang
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University Tianjin 300350 P. R. China .,Tianjin Key Laboratory of Membrane Science and Desalination Technology Tianjin 300350 P. R. China
| | - Wei Qi
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University Tianjin 300350 P. R. China .,The Co-Innovation Centre of Chemistry and Chemical Engineering of Tianjin Tianjin 300072 P. R. China.,Tianjin Key Laboratory of Membrane Science and Desalination Technology Tianjin 300350 P. R. China
| | - Zhimin He
- School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University Tianjin 300350 P. R. China
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Huynh KH, Hahm E, Noh MS, Lee JH, Pham XH, Lee SH, Kim J, Rho WY, Chang H, Kim DM, Baek A, Kim DE, Jeong DH, Park SM, Jun BH. Recent Advances in Surface-Enhanced Raman Scattering Magnetic Plasmonic Particles for Bioapplications. NANOMATERIALS 2021; 11:nano11051215. [PMID: 34064407 PMCID: PMC8147842 DOI: 10.3390/nano11051215] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 04/25/2021] [Accepted: 04/30/2021] [Indexed: 01/10/2023]
Abstract
The surface-enhanced Raman scattering (SERS) technique, that uses magnetic plasmonic particles (MPPs), is an advanced SERS detection platform owing to the synergetic effects of the particles’ magnetic and plasmonic properties. As well as being an ultrasensitive and reliable SERS material, MPPs perform various functions, such as aiding in separation, drug delivery, and acting as a therapeutic material. This literature discusses the structure and multifunctionality of MPPs, which has enabled the novel application of MPPs to various biological fields.
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Affiliation(s)
- Kim-Hung Huynh
- Department of Bioscience and Biotechnology, Konkuk University,120 Neungdong-ro, Gwangjin-Gu, Seoul 05029, Korea; (K.-H.H.); (E.H.); (X.-H.P.); (J.K.); (D.M.K.); (A.B.); (D.-E.K.)
| | - Eunil Hahm
- Department of Bioscience and Biotechnology, Konkuk University,120 Neungdong-ro, Gwangjin-Gu, Seoul 05029, Korea; (K.-H.H.); (E.H.); (X.-H.P.); (J.K.); (D.M.K.); (A.B.); (D.-E.K.)
| | - Mi Suk Noh
- Medical Device & Bio-research Team, Bio-medical & Environ-chemical Division, Korea Testing Certification, Gunpo, Gyeonggi-do 15809, Korea;
| | - Jong-Hwan Lee
- Center for Convergent Research of Emerging Virus Infection, Korea Research Institute of Chemical Technology, Daejeon 34114, Korea;
| | - Xuan-Hung Pham
- Department of Bioscience and Biotechnology, Konkuk University,120 Neungdong-ro, Gwangjin-Gu, Seoul 05029, Korea; (K.-H.H.); (E.H.); (X.-H.P.); (J.K.); (D.M.K.); (A.B.); (D.-E.K.)
| | - Sang Hun Lee
- Department of Chemical and Biological Engineering, Hanbat National University, 125 Dongseo-daero, Yuseong-gu, Daejeon 34158, Korea;
| | - Jaehi Kim
- Department of Bioscience and Biotechnology, Konkuk University,120 Neungdong-ro, Gwangjin-Gu, Seoul 05029, Korea; (K.-H.H.); (E.H.); (X.-H.P.); (J.K.); (D.M.K.); (A.B.); (D.-E.K.)
| | - Won-Yeop Rho
- School of International Engineering and Science, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju-si, Jeollabuk-do 54896, Korea;
| | - Hyejin Chang
- Division of Science Education, Kangwon National University, 1 Gangwondaehakgil, Chuncheon-si, Gangwon-do 24341, Korea;
| | - Dong Min Kim
- Department of Bioscience and Biotechnology, Konkuk University,120 Neungdong-ro, Gwangjin-Gu, Seoul 05029, Korea; (K.-H.H.); (E.H.); (X.-H.P.); (J.K.); (D.M.K.); (A.B.); (D.-E.K.)
| | - Ahruem Baek
- Department of Bioscience and Biotechnology, Konkuk University,120 Neungdong-ro, Gwangjin-Gu, Seoul 05029, Korea; (K.-H.H.); (E.H.); (X.-H.P.); (J.K.); (D.M.K.); (A.B.); (D.-E.K.)
| | - Dong-Eun Kim
- Department of Bioscience and Biotechnology, Konkuk University,120 Neungdong-ro, Gwangjin-Gu, Seoul 05029, Korea; (K.-H.H.); (E.H.); (X.-H.P.); (J.K.); (D.M.K.); (A.B.); (D.-E.K.)
| | - Dae Hong Jeong
- Department of Chemistry Education, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea;
- Center for Educational Research, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
| | - Seung-min Park
- Department of Urology, Department of Radiology, Molecular Imaging Program at Stanford, Stanford University School of Medicine, Stanford, CA 94305, USA
- Correspondence: (S.-m.P.); (B.-H.J.); Tel.: +82-2-450-0521 (B.-H.J.)
| | - Bong-Hyun Jun
- Department of Bioscience and Biotechnology, Konkuk University,120 Neungdong-ro, Gwangjin-Gu, Seoul 05029, Korea; (K.-H.H.); (E.H.); (X.-H.P.); (J.K.); (D.M.K.); (A.B.); (D.-E.K.)
- Correspondence: (S.-m.P.); (B.-H.J.); Tel.: +82-2-450-0521 (B.-H.J.)
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Specific detection of Staphylococcus aureus infection and marker for Alzheimer disease by surface enhanced Raman spectroscopy using silver and gold nanoparticle-coated magnetic polystyrene beads. Sci Rep 2021; 11:6240. [PMID: 33737512 PMCID: PMC7973519 DOI: 10.1038/s41598-021-84793-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Accepted: 02/17/2021] [Indexed: 12/12/2022] Open
Abstract
Targeted and effective therapy of diseases demands utilization of rapid methods of identification of the given markers. Surface enhanced Raman spectroscopy (SERS) in conjunction with streptavidin-biotin complex is a promising alternative to culture or PCR based methods used for such purposes. Many biotinylated antibodies are available on the market and so this system offers a powerful tool for many analytical applications. Here, we present a very fast and easy-to-use procedure for preparation of streptavidin coated magnetic polystyrene-Au (or Ag) nanocomposite particles as efficient substrate for surface SERS purposes. As a precursor for the preparation of SERS active and magnetically separable composite, commercially available streptavidin coated polystyrene (PS) microparticles with a magnetic core were utilized. These composites of PS particles with silver or gold nanoparticles were prepared by reducing Au(III) or Ag(I) ions using ascorbic acid or dopamine. The choice of the reducing agent influences the morphology and the size of the prepared Ag or Au particles (15-100 nm). The prepare composites were also characterized by HR-TEM images, mapping of elements and also magnetization measurements. The content of Au and Ag was determined by AAS analysis. The synthesized composites have a significantly lower density against magnetic composites based on iron oxides, which considerably decreases the tendency to sedimentation. The polystyrene shell on a magnetic iron oxide core also pronouncedly reduces the inclination to particle aggregation. Moreover, the preparation and purification of this SERS substrate takes only a few minutes. The PS composite with thorny Au particles with the size of approximately 100 nm prepared was utilized for specific and selective detection of Staphylococcus aureus infection in joint knee fluid (PJI) and tau protein (marker for Alzheimer disease).
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Fan X, Hao Q, Li M, Zhang X, Yang X, Mei Y, Qiu T. Hotspots on the Move: Active Molecular Enrichment by Hierarchically Structured Micromotors for Ultrasensitive SERS Sensing. ACS APPLIED MATERIALS & INTERFACES 2020; 12:28783-28791. [PMID: 32469196 DOI: 10.1021/acsami.0c05371] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Surface-enhanced Raman scattering (SERS) is recognized as one of the most sensitive spectroscopic tools for chemical and biological detections. Hotspots engineering has expedited promotion of SERS performance over the past few decades. Recently, molecular enrichment has proven to be another effective approach to improve the SERS performance. In this work, we propose a concept of "motile hotspots" to realize ultrasensitive SERS sensing by combining hotspots engineering and active molecular enrichment. High-density plasmonic nanostructure-supporting hotspots are assembled on the tubular outer wall of micromotors via nanoimprint and rolling origami techniques. The dense hotspots carried on these hierarchically structured micromotors (HSMs) can be magnet-powered to actively enrich molecules in fluid. The active enrichment manner of HSMs is revealed to be effective in accelerating the process of molecular adsorption. Consequently, SERS intensity increases significantly because of more molecules being adjacent to the hotspots after active molecular enrichment. This "motile hotspots" concept provides a synergistical approach in constructing a SERS platform with high performance. Moreover, the newly developed construction method of HSMs manifests the possibility of tailoring tubular length and diameter as well as surface patterns on the outer wall of HSMs, demonstrating good flexibility in constructing customized micromotors for various applications.
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Affiliation(s)
- Xingce Fan
- School of Physics, Southeast University, Nanjing 211189, China
| | - Qi Hao
- School of Physics, Southeast University, Nanjing 211189, China
| | - Mingze Li
- School of Physics, Southeast University, Nanjing 211189, China
| | - Xinyuan Zhang
- Department of Materials Science, Fudan University, Shanghai 200433, China
| | - Xiaozhi Yang
- School of Physics, Southeast University, Nanjing 211189, China
| | - Yongfeng Mei
- Department of Materials Science, Fudan University, Shanghai 200433, China
| | - Teng Qiu
- School of Physics, Southeast University, Nanjing 211189, China
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10
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Feng J, Xu Y, Huang W, Kong H, Li Y, Cheng H, Li L. A magnetic SERS immunosensor for highly sensitive and selective detection of human carboxylesterase 1 in human serum samples. Anal Chim Acta 2019; 1097:176-185. [PMID: 31910958 DOI: 10.1016/j.aca.2019.11.004] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 10/30/2019] [Accepted: 11/03/2019] [Indexed: 02/06/2023]
Abstract
Hepatocellular carcinoma (HCC) is a common and lethal cancer. New serum markers for detecting HCC are urgently needed. Human carboxylesterase 1 (hCE1) is an important member of the serine hydrolase superfamily and is closely related to the occurrence of HCC. It can be used as a good serum marker for early diagnosis of HCC. Here, we developed a surface enhanced Raman scattering (SERS)- based magnetic immunosensor that specifically recognizes and detects trace amounts of hCE1 in human serum via a sandwich structure consisting of a SERS tags, magnetic supporting substrates, and target antigen (hCE1). The SERS tags are 4-mercaptobenzoic acid (4-MBA)-labeled AgNPs, and the SERS supporting substrates are composed of a raspberry-like morphology of Fe3O4@SiO2@AgNPs magnetic nanocomposites surface-functionalized with a hCE1 antibody. The prepared SERS magnetic immunosensor exhibits excellent selectivity and extremely high sensitivity for hCE1 detection. The SERS signal and logarithm of hCE1 concentration presented a wide linear response range of 0.1 ng mL-1 to 1.0 mg mL-1, and the detection limit of hCE1 was 0.1 ng mL-1. The results indicate that the immunosensor can be used for the rapid determination of hCE1 in human serum without a complicated sample pre-treatment. Furthermore, the immunosensor has good reproducibility and stability, and has a promising prospect for the quantitative detection of other tumor markers in early clinical diagnosis.
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Affiliation(s)
- Jun Feng
- School of Medicine, Guangxi University of Science and Technology, Liuzhou, 545005, Guangxi, PR China; Provine and Ministry Co-sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry, Nanning, 530004, Guangxi, PR China
| | - Yajuan Xu
- Guangxi Key Laboratory of Green Processing of Sugar Resources, College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou, 545006, Guangxi, PR China; Provine and Ministry Co-sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry, Nanning, 530004, Guangxi, PR China
| | - Wenyi Huang
- Guangxi Key Laboratory of Green Processing of Sugar Resources, College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou, 545006, Guangxi, PR China; Provine and Ministry Co-sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry, Nanning, 530004, Guangxi, PR China
| | - Hongxing Kong
- Guangxi Key Laboratory of Green Processing of Sugar Resources, College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou, 545006, Guangxi, PR China; Provine and Ministry Co-sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry, Nanning, 530004, Guangxi, PR China
| | - Yanqing Li
- Guangxi Key Laboratory of Green Processing of Sugar Resources, College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou, 545006, Guangxi, PR China; Provine and Ministry Co-sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry, Nanning, 530004, Guangxi, PR China
| | - Hao Cheng
- Guangxi Key Laboratory of Green Processing of Sugar Resources, College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou, 545006, Guangxi, PR China; Provine and Ministry Co-sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry, Nanning, 530004, Guangxi, PR China.
| | - Lijun Li
- Guangxi Key Laboratory of Green Processing of Sugar Resources, College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou, 545006, Guangxi, PR China; Provine and Ministry Co-sponsored Collaborative Innovation Center of Sugarcane and Sugar Industry, Nanning, 530004, Guangxi, PR China.
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Li P, Ge M, Cao C, Lin D, Yang L. High-affinity Fe 3O 4/Au probe with synergetic effect of surface plasmon resonance and charge transfer enabling improved SERS sensing of dopamine in biofluids. Analyst 2019; 144:4526-4533. [PMID: 31243397 DOI: 10.1039/c9an00665f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Development of analytical methods allowing sensitive detection of neurotransmitters in various biofluids is vital. However, limitations of these methods include interference of impurities and stringent requirements concerning sample purity. In the current work, we developed a strategy for the rapid and sensitive analysis of dopamine (DA) in various biofluids with a smart surface-enhanced Raman spectroscopy (SERS) probe composed of magnetite Fe3O4 and Au nanoparticles (Fe3O4/Au NPs). Besides the simple and quick separation of DA from the specimen, Fe3O4 not only enabled a specific chemical interaction with DA molecules, but also acted as a SERS substrate capable of electromagnetically enhancing the Raman signal of DA. Therefore, the Fe3O4/Au NP composite with its coexisting electric-field effect and charger transfer (CT) enhancement was found to be beneficial for capturing the target molecules in biological environments and then enhancing the DA sensitivity. To understand the strong binding interaction between Fe3O4/Au and DA, X-ray photoelectron spectroscopy (XPS) was carried out, specifically to illuminate the chemical adsorption or possible CT complex. Moreover, a rapid purification strategy for further separating DA from serum was developed, and thus a high nanometer-level sensitivity was achieved. In addition, the feasibility of using Fe3O4/Au combined with the developed purification method was also verified using various tissue homogenates spiked with DA molecules. Such a nanocomposite can offer the possibility of efficiently separating DA from the complex specimen and then providing the sensitive detection of DA for various tissues. Accordingly, the smart SERS Fe3O4/Au nanocomposite probe, with its advantages of simple pre-treatment and synergetic enhanced mechanisms, shows great promise for the rapid and sensitive detection of DA in complicated specimens.
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Affiliation(s)
- Pan Li
- Center of medical physics and technology, Hefei institutes of physical science, CAS, Hefei 230021, China. and Department of Pharmacy, Hefei Cancer Hospital, Chinese Academy of Sciences, Hefei 230031, Anhui, PR China
| | - Meihong Ge
- Center of medical physics and technology, Hefei institutes of physical science, CAS, Hefei 230021, China. and University of Science and Technology of China, Anhui, Hefei 230027, China
| | - Chentai Cao
- Center of medical physics and technology, Hefei institutes of physical science, CAS, Hefei 230021, China. and University of Science and Technology of China, Anhui, Hefei 230027, China
| | - Dongyue Lin
- Center of medical physics and technology, Hefei institutes of physical science, CAS, Hefei 230021, China.
| | - Liangbao Yang
- Center of medical physics and technology, Hefei institutes of physical science, CAS, Hefei 230021, China. and Department of Pharmacy, Hefei Cancer Hospital, Chinese Academy of Sciences, Hefei 230031, Anhui, PR China
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12
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Lee HK, Lee YH, Koh CSL, Phan-Quang GC, Han X, Lay CL, Sim HYF, Kao YC, An Q, Ling XY. Designing surface-enhanced Raman scattering (SERS) platforms beyond hotspot engineering: emerging opportunities in analyte manipulations and hybrid materials. Chem Soc Rev 2019; 48:731-756. [PMID: 30475351 DOI: 10.1039/c7cs00786h] [Citation(s) in RCA: 267] [Impact Index Per Article: 53.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Surface-enhanced Raman scattering (SERS) is a molecule-specific spectroscopic technique with diverse applications in (bio)chemistry, clinical diagnosis and toxin sensing. While hotspot engineering has expedited SERS development, it is still challenging to detect molecules with no specific affinity to plasmonic surfaces. With the aim of improving detection performances, we venture beyond hotspot engineering in this tutorial review and focus on emerging material design strategies to capture and confine analytes near SERS-active surfaces as well as various promising hybrid SERS platforms. We outline five major approaches to enhance SERS performance: (1) enlarging Raman scattering cross-sections of non-resonant molecules via chemical coupling reactions; (2) targeted chemical capturing of analytes through surface-grafted agents to localize them on plasmonic surfaces; (3) physically confining liquid analytes on non-wetting SERS-active surfaces and (4) confining gaseous analytes using porous materials over SERS hotspots; (5) synergizing conventional metal-based SERS platforms with functional materials such as graphene, semiconducting materials, and piezoelectric polymers. These approaches can be integrated with engineered hotspots as a multifaceted strategy to further boost SERS sensitivities that are unachievable using hotspot engineering alone. Finally, we highlight current challenges in this research area and suggest new research directions towards efficient SERS designs critical for real-world applications.
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Affiliation(s)
- Hiang Kwee Lee
- Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, 21 Nanyang Link, 637371, Singapore.
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13
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An infrared IgG immunoassay based on the use of a nanocomposite consisting of silica coated Fe 3O 4 superparticles. Mikrochim Acta 2019; 186:99. [PMID: 30631954 DOI: 10.1007/s00604-018-3219-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Accepted: 12/28/2018] [Indexed: 02/01/2023]
Abstract
A reliable, rapid and ultrasensitive immunoassay is described for determination of immunoglobulin G (IgG). It is making use of biofunctional magnetite (Fe3O4) superparticles coated with SiO2 and serving as an infrared (IR) probe. The unique IR fingerprint signals originating from the transverse and longitudinal phonon modes, respectively, of the asymmetric stretching of the Si-O-Si bridges display a satisfactory resistance to optical interference from the environment. The adoption of Fe3O4 superparticles instead of Fe3O4 nanoparticles as the magnetic core warrants a controllable structure and a strong magnetic response. This facilitates the efficient purification of the probes and the alleviation of the interfacial resistance between the liquid-solid interfaces by using a magnet. The gold-coated substrate was used to immobilize goat-anti-human IgG. The analyte (human IgG) was incubated with the IR probes, and then captured by the substrate immobilized antibody with the assistance of an external magnetic field. The integral area of the IR absorption band between 1250 cm-1 - 900 cm-1 was chosen for quantitative assay. The limit of detection is 95 fM, which is two orders of magnitude better than that without the magnetic field. The assay time was shortened from 2 h to 1 min. High selectivity, specificity, and long-term stability of the immunoassay were achieved. The performance of the assay when analyzing blood samples confirmed the practicability of the method. Graphical abstract Schematic presentation of the infrared (IR) immunoassay based on Fe3O4 superparticle@SiO2 nanocomposites. The assistance of an external magnetic field reduces the incubation time and improves the detection sensitivity.
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14
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Zhang Y, Mi X, Tan X, Xiang R. Recent Progress on Liquid Biopsy Analysis using Surface-Enhanced Raman Spectroscopy. Theranostics 2019; 9:491-525. [PMID: 30809289 PMCID: PMC6376192 DOI: 10.7150/thno.29875] [Citation(s) in RCA: 87] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2018] [Accepted: 11/30/2018] [Indexed: 12/12/2022] Open
Abstract
Traditional tissue biopsy is limited in understanding heterogeneity and dynamic evolution of tumors. Instead, analyzing circulating cancer markers in various body fluids, commonly referred to as "liquid biopsy", has recently attracted remarkable interest for their great potential to be applied in non-invasive early cancer screening, tumor progression monitoring and therapy response assessment. Among the various approaches developed for liquid biopsy analysis, surface-enhanced Raman spectroscopy (SERS) has emerged as one of the most powerful techniques based on its high sensitivity, specificity, tremendous spectral multiplexing capacity for simultaneous target detection, as well as its unique capability for obtaining intrinsic fingerprint spectra of biomolecules. In this review, we will first briefly explain the mechanism of SERS, and then introduce recently reported SERS-based techniques for detection of circulating cancer markers including circulating tumor cells, exosomes, circulating tumor DNAs, microRNAs and cancer-related proteins. Cancer diagnosis based on SERS analysis of bulk body fluids will also be included. In the end, we will summarize the "state of the art" technologies of SERS-based platforms and discuss the challenges of translating them into clinical settings.
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Affiliation(s)
- Yuying Zhang
- School of Medicine, State Key Laboratory of Medicinal Chemical Biology, Key Laboratory of Bioactive Materials for Ministry of Education, Nankai University, 300071 Tianjin, China
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15
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Szlag VM, Rodriguez RS, He J, Hudson-Smith N, Kang H, Le N, Reineke TM, Haynes CL. Molecular Affinity Agents for Intrinsic Surface-Enhanced Raman Scattering (SERS) Sensors. ACS APPLIED MATERIALS & INTERFACES 2018; 10:31825-31844. [PMID: 30134102 DOI: 10.1021/acsami.8b10303] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Research at the interface of synthetic materials, biochemistry, and analytical techniques has enabled sensing platforms for applications across many research communities. Herein we review the materials used as affinity agents to create surface-enhanced Raman spectroscopy (SERS) sensors. Our scope includes those affinity agents (antibody, aptamer, small molecule, and polymer) that facilitate the intrinsic detection of targets relevant to biology, medicine, national security, environmental protection, and food safety. We begin with an overview of the analytical technique (SERS) and considerations for its application as a sensor. We subsequently describe four classes of affinity agents, giving a brief overview on affinity, production, attachment chemistry, and first uses with SERS. Additionally, we review the SERS features of the affinity agents, and the analytes detected by intrinsic SERS with that affinity agent class. We conclude with remarks on affinity agent selection for intrinsic SERS sensing platforms.
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Affiliation(s)
- Victoria M Szlag
- Department of Chemistry , University of Minnesota , Minneapolis , Minnesota 55455 , United States
| | - Rebeca S Rodriguez
- Department of Chemistry , University of Minnesota , Minneapolis , Minnesota 55455 , United States
| | - Jiayi He
- Department of Chemistry , University of Minnesota , Minneapolis , Minnesota 55455 , United States
| | - Natalie Hudson-Smith
- Department of Chemistry , University of Minnesota , Minneapolis , Minnesota 55455 , United States
| | - Hyunho Kang
- Department of Chemistry , University of Minnesota , Minneapolis , Minnesota 55455 , United States
| | - Ngoc Le
- Department of Chemistry , University of Minnesota , Minneapolis , Minnesota 55455 , United States
| | - Theresa M Reineke
- Department of Chemistry , University of Minnesota , Minneapolis , Minnesota 55455 , United States
| | - Christy L Haynes
- Department of Chemistry , University of Minnesota , Minneapolis , Minnesota 55455 , United States
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16
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Imaging of growth factors on a human tooth root canal by surface-enhanced Raman spectroscopy. Anal Bioanal Chem 2018; 410:7113-7120. [DOI: 10.1007/s00216-018-1311-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2018] [Revised: 07/30/2018] [Accepted: 08/06/2018] [Indexed: 12/28/2022]
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17
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Chen N, Guo W, Lin Z, Wei Q, Chen G. Label-free sensitive luminescence biosensor for immunoglobulin G based on Ag 6Au 6 ethisterone cluster-estrogen receptor α aggregation and graphene. Talanta 2018; 185:243-248. [PMID: 29759196 DOI: 10.1016/j.talanta.2018.03.075] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2017] [Revised: 03/12/2018] [Accepted: 03/24/2018] [Indexed: 11/17/2022]
Abstract
A specific and label-free "on-off-on" luminescence biosensor based on a novel heterometallic cluster [Ag6Au6(ethisterone)12]-estrogen receptor α (Ag6Au6Eth-ERα) aggregation utilizing graphene oxide (GO) as a quencher to lead a small background signal was firstly constructed to detect immunoglobulin G (IgG) with a simple process and high selectivity. The efficient photoluminescent (PL) Ag6Au6Eth-ERα aggregation is strongly quenched by GO. In the presence of IgG, the PL of this system will be restored, and perceivable by human eyes under UV lamp excitation (365 nm). The quenching mechanism of GO on Ag6Au6Eth-ERα and enhancement mechanism of IgG on Ag6Au6Eth-ERα-GO were investigated in detail. Under the optimum conditions, the biosensor for high sensitive IgG detection expressed a wider linear range of 0.0078-10 ng/mL and a lower detection limit of 0.65 pg/mL with good stability and repeatability, which provided a new approach for label-free IgG detection.
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Affiliation(s)
- Nannan Chen
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China
| | - Wenjing Guo
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China
| | - Zhixiang Lin
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China
| | - Qiaohua Wei
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China; State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian 350002, China.
| | - Guonan Chen
- MOE Key Laboratory for Analytical Science of Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350108, China
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18
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Wu Y, Jiang T, Wu Z, Yu R. Internal standard-based SERS aptasensor for ultrasensitive quantitative detection of Ag + ion. Talanta 2018; 185:30-36. [PMID: 29759204 DOI: 10.1016/j.talanta.2018.03.014] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2017] [Revised: 02/28/2018] [Accepted: 03/07/2018] [Indexed: 12/17/2022]
Abstract
A ratiometric surface-enhanced Raman scattering (SERS) aptasensor based on internal standard (IS) methods was proposed for the ultrasensitive and reproducible quantitative detection of silver ion (Ag+) with Au@Ag core-shell nanoparticle (Au@Ag NP) substrate. In principle, the thiolated 5'-Rox C-containing labeled aptamer probe (Rox-aptamer) is firstly immobilized on the SERS substrate surface and then hybridizes with the complementary DNA (cDNA) to form a rigid double-stranded DNA (dsDNA), in which the Rox Raman labels is used to produce the Raman signal. Furthermore, the pyridine is employed as an IS element to provide the ratiometric determination of target. In the presence of Ag+, the Rox-aptamer is turned into the cytosine (C)-Ag+-C mediated hairpin structure, which remarkably reduces the distance between the Rox labels and the Au@Ag NP surface responsible for a measurable 'turn-on' signal change of Rox. This IS-based ratiometric SERS aptasensor exhibits a limit of detection of 50 pM for Ag+ with a linear detection range from 0.1 to 100 nM and the shortcoming of irreproducibility of SERS signal could be overcome. The proposed method provides a simple, robust, and rapid approach for the sensitive and reproducible quantitative detection of Ag+, and it could also be used for the detection of other metal ions which exhibits specific interactions with natural or synthetic bases.
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Affiliation(s)
- Yan Wu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, People's Republic of China; Department of Chemistry and Chemical Engineering, Chongqing Key Laboratory of Inorganic Special Functional Materials, Yangtze Normal University, Chongqing, Fuling 408003, People's Republic of China
| | - Tingting Jiang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, People's Republic of China
| | - Zhaoyang Wu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, People's Republic of China.
| | - Ruqin Yu
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, People's Republic of China
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19
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Chaloupková Z, Balzerová A, Bařinková J, Medříková Z, Šácha P, Beneš P, Ranc V, Konvalinka J, Zbořil R. Label-free determination of prostate specific membrane antigen in human whole blood at nanomolar levels by magnetically assisted surface enhanced Raman spectroscopy. Anal Chim Acta 2018; 997:44-51. [DOI: 10.1016/j.aca.2017.10.008] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Revised: 10/06/2017] [Accepted: 10/08/2017] [Indexed: 01/07/2023]
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20
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Dual-functional Fe3O4@SiO2@Ag triple core-shell microparticles as an effective SERS platform for adipokines detection. Colloids Surf A Physicochem Eng Asp 2017. [DOI: 10.1016/j.colsurfa.2017.09.025] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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21
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Ramos II, Magalhães LM, Barreiros L, Reis S, Lima JLFC, Segundo MA. Micro-bead injection spectroscopy for label-free automated determination of immunoglobulin G in human serum. Anal Bioanal Chem 2017; 410:981-988. [DOI: 10.1007/s00216-017-0601-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2017] [Revised: 07/10/2017] [Accepted: 08/23/2017] [Indexed: 12/11/2022]
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22
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Fodjo EK, Gabriel KM, Serge BY, Li D, Kong C, Trokourey A. Selective synthesis of Fe 3O 4Au x Ag y nanomaterials and their potential applications in catalysis and nanomedicine. Chem Cent J 2017; 11:58. [PMID: 29086848 PMCID: PMC5482793 DOI: 10.1186/s13065-017-0288-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Accepted: 06/17/2017] [Indexed: 12/13/2022] Open
Abstract
In these recent years, magnetite (Fe3O4) has witnessed a growing interest in the scientific community as a potential material in various fields of application namely in catalysis, biosensing, hyperthermia treatments, magnetic resonance imaging (MRI) contrast agents and drug delivery. Their unique properties such as metal-insulator phase transitions, superconductivity, low Curie temperature, and magnetoresistance make magnetite special and need further investigation. On the other hand, nanoparticles especially gold nanoparticles (Au NPs) exhibit striking features that are not observed in the bulk counterparts. For instance, the mentioned ferromagnetism in Au NPs coated with protective agents such as dodecane thiol, in addition to their aptitude to be used in near-infrared (NIR) light sensitivity and their high adsorptive ability in tumor cell, make them useful in nanomedicine application. Besides, silver nanoparticles (Ag NPs) are known as an antimicrobial agent. Put together, the [Formula: see text] nanocomposites with tunable size can therefore display important demanding properties for diverse applications. In this review, we try to examine the new trend of magnetite-based nanomaterial synthesis and their application in catalysis and nanomedicine.
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Affiliation(s)
- Essy Kouadio Fodjo
- Laboratory of Physical Chemistry, Université Felix Houphouet-Boigny, 22 BP 582, Abidjan 22, Côte d’Ivoire
| | - Koffi Mouroufié Gabriel
- Institut National Polytechnique Felix Houphouet-Boigny, BP 1093, Yamoussoukro, Côte d’Ivoire
| | - Brou Yapi Serge
- Laboratory of Physical Chemistry, Université Felix Houphouet-Boigny, 22 BP 582, Abidjan 22, Côte d’Ivoire
| | - Dan Li
- School of Chemical and Environmental Engineering, Shanghai Institute of Technology, Shanghai, 201418 People’s Republic of China
| | - Cong Kong
- East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, No. 300, Jungong Road, Yangpu, Shanghai, 200090 People’s Republic of China
| | - Albert Trokourey
- Laboratory of Physical Chemistry, Université Felix Houphouet-Boigny, 22 BP 582, Abidjan 22, Côte d’Ivoire
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23
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Yap LW, Chen H, Gao Y, Petkovic K, Liang Y, Si KJ, Wang H, Tang Z, Zhu Y, Cheng W. Bifunctional plasmonic-magnetic particles for an enhanced microfluidic SERS immunoassay. NANOSCALE 2017; 9:7822-7829. [PMID: 28555701 DOI: 10.1039/c7nr01511a] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Surface-Enhanced Raman Scattering (SERS) is emerging as a promising strategy for the quantification of immunoglobulin G (IgG) due to its inherent high sensitivity and specificity; however, it remains challenging to integrate SERS detection with a microfluidic system in a simple, efficient and low-cost manner. Here, we report on a novel bifunctional plasmonic-magnetic particle-based immunoassay, in which plasmonic nanoparticles act as soluble SERS immunosubstrates, whereas magnetic particles are for promoting micromixing in a microfluidic chip. With this novel SERS immunosubstrate in conjunction with the unique microfluidic system, we could substantially reduce the assay time from 4 hours to 80 minutes as well as enhance the detection specificity by about 70% in comparison to a non-microfluidic immunoassay. Compared to previous microfluidic SERS systems, our strategy offers a simple microfluidic chip design with only one well for mixing, washing and detection.
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Affiliation(s)
- Lim Wei Yap
- Department of Chemical Engineering, Monash University, Clayton, VIC 3800, Australia.
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24
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Fargašová A, Balzerová A, Prucek R, Sedláková MH, Bogdanová K, Gallo J, Kolář M, Ranc V, Zbořil R. Detection of Prosthetic Joint Infection Based on Magnetically Assisted Surface Enhanced Raman Spectroscopy. Anal Chem 2017; 89:6598-6607. [DOI: 10.1021/acs.analchem.7b00759] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Ariana Fargašová
- Regional
Centre of Advanced Technologies and Materials, Department of Physical
Chemistry, Faculty of Science, Palacký University Olomouc, Šlechtitelů
27, 783 71 Olomouc, Czech Republic
| | - Anna Balzerová
- Regional
Centre of Advanced Technologies and Materials, Department of Physical
Chemistry, Faculty of Science, Palacký University Olomouc, Šlechtitelů
27, 783 71 Olomouc, Czech Republic
| | - Robert Prucek
- Regional
Centre of Advanced Technologies and Materials, Department of Physical
Chemistry, Faculty of Science, Palacký University Olomouc, Šlechtitelů
27, 783 71 Olomouc, Czech Republic
| | - Miroslava Htoutou Sedláková
- Department
of Microbiology, Faculty of Medicine and Dentistry, Palacký University Olomouc, Hněvotínská 3, 775 15 Olomouc, Czech Republic
| | - Kateřina Bogdanová
- Department
of Microbiology, Faculty of Medicine and Dentistry, Palacký University Olomouc, Hněvotínská 3, 775 15 Olomouc, Czech Republic
| | - Jiří Gallo
- Department
of Orthopaedics, Faculty of Medicine and Dentistry, Palacký University Olomouc, I. P. Pavlova 6, 77520 Olomouc, Czech Republic
| | - Milan Kolář
- Department
of Microbiology, Faculty of Medicine and Dentistry, Palacký University Olomouc, Hněvotínská 3, 775 15 Olomouc, Czech Republic
| | - Václav Ranc
- Regional
Centre of Advanced Technologies and Materials, Department of Physical
Chemistry, Faculty of Science, Palacký University Olomouc, Šlechtitelů
27, 783 71 Olomouc, Czech Republic
| | - Radek Zbořil
- Regional
Centre of Advanced Technologies and Materials, Department of Physical
Chemistry, Faculty of Science, Palacký University Olomouc, Šlechtitelů
27, 783 71 Olomouc, Czech Republic
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25
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A highly sensitive “turn-on” fluorescent probe with an aggregation-induced emission characteristic for quantitative detection of γ-globulin. Biosens Bioelectron 2017; 92:536-541. [DOI: 10.1016/j.bios.2016.10.064] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Accepted: 10/22/2016] [Indexed: 12/22/2022]
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26
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Ultrasensitive SERS detection of Bacillus thuringiensis special gene based on Au@Ag NRs and magnetic beads. Biosens Bioelectron 2017; 92:321-327. [DOI: 10.1016/j.bios.2016.11.005] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Revised: 10/27/2016] [Accepted: 11/02/2016] [Indexed: 12/12/2022]
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27
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Wang Z, Zong S, Wu L, Zhu D, Cui Y. SERS-Activated Platforms for Immunoassay: Probes, Encoding Methods, and Applications. Chem Rev 2017; 117:7910-7963. [DOI: 10.1021/acs.chemrev.7b00027] [Citation(s) in RCA: 368] [Impact Index Per Article: 52.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Zhuyuan Wang
- Advanced Photonics Center, Southeast University, Nanjing 210096, Jiangsu, China
| | - Shenfei Zong
- Advanced Photonics Center, Southeast University, Nanjing 210096, Jiangsu, China
| | - Lei Wu
- Advanced Photonics Center, Southeast University, Nanjing 210096, Jiangsu, China
| | - Dan Zhu
- Advanced Photonics Center, Southeast University, Nanjing 210096, Jiangsu, China
| | - Yiping Cui
- Advanced Photonics Center, Southeast University, Nanjing 210096, Jiangsu, China
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28
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Zeng K, Tian S, Wang Z, Shen C, Luo J, Yang M, Liu YN. An ELISA for the determination of human IgG based on the formation of a colored iron(II) complex and photometric or visual read-out. Mikrochim Acta 2017. [DOI: 10.1007/s00604-017-2304-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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29
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He Y, Yang X, Yuan R, Chai Y. "Off" to "On" Surface-Enhanced Raman Spectroscopy Platform with Padlock Probe-Based Exponential Rolling Circle Amplification for Ultrasensitive Detection of MicroRNA 155. Anal Chem 2017; 89:2866-2872. [PMID: 28194952 DOI: 10.1021/acs.analchem.6b04082] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
In this work, an "off" to "on" surface-enhanced Raman spectroscopy (SERS) platform was constructed for ultrasensitive detection of microRNA (miRNA) by using a magnetic SERS substrate (Co@C/PEI/Ag) and padlock probe-based exponential rolling circle amplification (P-ERCA) strategy. Herein, miRNA 155 could act as primers to initiate rolling circle amplification (RCA) for producing a long repeat sequence, and then the obtained DNA would be cleaved into two kinds of single-stranded DNAs in the presence of nickase. One of the DNAs can be a new primer to initiate new cycle reactions for obtaining large numbers of the other one (trigger DNA), consequently leading to an exponential amplification. On the other hand, the hairpin DNA (H1), with a Raman label (Cy5) at one end, would form a hairpin structure to make the Cy5 closer to the SERS substrates, which could produce a strong SERS signal ("on" status). Then placeholder DNA (P2) partly hybridized with H1 to open the hairpin structure making Cy5 far away from substrates with a decreased signal ("off" status). Next, the obtained trigger DNA can complement with P2 to make the Raman label reclosed to the SERS substrates with a strong SERS signal ("on" status). From this principle, the strategy could achieve the change from "off" to "on" status. This SERS strategy exhibited a wide linear range of 100 aM to 100 pM with a low detection limit of 70.2 aM, which indicated the proposed SERS platform has potential application value for ultrasensitive bioassay of miRNA.
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Affiliation(s)
- Yi He
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University , Chongqing 400715, People's Republic of China
| | - Xia Yang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University , Chongqing 400715, People's Republic of China
| | - Ruo Yuan
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University , Chongqing 400715, People's Republic of China
| | - Yaqin Chai
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University , Chongqing 400715, People's Republic of China
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Kibar G, Topal AE, Dana A, Tuncel A. Newly designed silver coated-magnetic, monodisperse polymeric microbeads as SERS substrate for low-level detection of amoxicillin. J Mol Struct 2016. [DOI: 10.1016/j.molstruc.2016.04.086] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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31
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Liu Z, Wang Y, Deng R, Yang L, Yu S, Xu S, Xu W. Fe3O4@Graphene Oxide@Ag Particles for Surface Magnet Solid-Phase Extraction Surface-Enhanced Raman Scattering (SMSPE-SERS): From Sample Pretreatment to Detection All-in-One. ACS APPLIED MATERIALS & INTERFACES 2016; 8:14160-14168. [PMID: 27191584 DOI: 10.1021/acsami.6b02944] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
A multifunctional magnetic graphene surface-enhanced Raman scattering (SERS) substrate was fabricated successfully by the layer-by-layer assembly of silver and graphene oxide (GO) nanoparticles (NPs) on the magnetic ferroferric oxide particles (Fe3O4@GO@Ag). This ternary particle possesses magnetic properties, SERS activity, and adsorption ability simultaneously. Owing to the multifunction of this Fe3O4@GO@Ag ternary complex, we put forward a new method called a surface magnetic solid-phase extraction (SMSPE) technique, for the SERS detections of pesticide residues on the fruit peels. SMSPE integrates many sample pretreatment procedures, such as surface extraction, separation sample, and detection, all-in-one. So this method shows great superiority in simplicity, rapidity, and high efficiency above other standard methods. The whole detection process can be finished within 20 min including the sample pretreatment and SERS detection. Owing to the high density of Ag NPs, the detection sensitivity is high enough that the lowest detectable concentrations are 0.48 and 40 ng/cm(2) for thiram and thiabendazole, which are much lower than the maximal residue limits in fruit prescribed by the U.S. Environmental Protection Agency. This multifunctional ternary particle and its corresponding analytical method have been proven to be applicable for practical samples and also valuable for other surface analysis.
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Affiliation(s)
- Zhigang Liu
- State Key Laboratory of Supramolecular Structure and Materials, Institute of Theoretical Chemistry, Jilin University , 2699 Qianjin Avenue, Changchun 130012 China
- Centre of Analysis and Measurement, Jilin Institute of Chemical Technology , Jilin 132022 China
| | - Yi Wang
- State Key Laboratory of Supramolecular Structure and Materials, Institute of Theoretical Chemistry, Jilin University , 2699 Qianjin Avenue, Changchun 130012 China
| | - Rong Deng
- State Key Laboratory of Supramolecular Structure and Materials, Institute of Theoretical Chemistry, Jilin University , 2699 Qianjin Avenue, Changchun 130012 China
| | - Liyuan Yang
- State Key Laboratory of Supramolecular Structure and Materials, Institute of Theoretical Chemistry, Jilin University , 2699 Qianjin Avenue, Changchun 130012 China
| | - Shihua Yu
- State Key Laboratory of Supramolecular Structure and Materials, Institute of Theoretical Chemistry, Jilin University , 2699 Qianjin Avenue, Changchun 130012 China
- Centre of Analysis and Measurement, Jilin Institute of Chemical Technology , Jilin 132022 China
| | - Shuping Xu
- State Key Laboratory of Supramolecular Structure and Materials, Institute of Theoretical Chemistry, Jilin University , 2699 Qianjin Avenue, Changchun 130012 China
| | - Weiqing Xu
- State Key Laboratory of Supramolecular Structure and Materials, Institute of Theoretical Chemistry, Jilin University , 2699 Qianjin Avenue, Changchun 130012 China
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Wang C, Wang J, Li M, Qu X, Zhang K, Rong Z, Xiao R, Wang S. A rapid SERS method for label-free bacteria detection using polyethylenimine-modified Au-coated magnetic microspheres and Au@Ag nanoparticles. Analyst 2016; 141:6226-6238. [DOI: 10.1039/c6an01105e] [Citation(s) in RCA: 95] [Impact Index Per Article: 11.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
A rapid and efficient method for label-free SERS detection of bacteria in solution.
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Affiliation(s)
- Chongwen Wang
- College of Life Sciences & Bio-Engineering
- Beijing University of Technology
- Beijing 100124
- PR China
- Beijing Institute of Radiation Medicine
| | - Junfeng Wang
- College of Mechatronics and Automation
- National University of Defense Technology
- Changsha
- PR China
| | - Min Li
- Beijing Institute of Radiation Medicine
- Beijing 100850
- PR China
- Henan University of Chinese Medicine
- Zhengzhou
| | - Xinyan Qu
- Beijing Institute of Radiation Medicine
- Beijing 100850
- PR China
| | - Kehan Zhang
- Beijing Institute of Radiation Medicine
- Beijing 100850
- PR China
| | - Zhen Rong
- Beijing Institute of Radiation Medicine
- Beijing 100850
- PR China
| | - Rui Xiao
- Beijing Institute of Radiation Medicine
- Beijing 100850
- PR China
| | - Shengqi Wang
- College of Life Sciences & Bio-Engineering
- Beijing University of Technology
- Beijing 100124
- PR China
- Beijing Institute of Radiation Medicine
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33
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Naked-eye sensitive ELISA-like assay based on gold-enhanced peroxidase-like immunogold activity. Anal Bioanal Chem 2015; 408:1015-22. [DOI: 10.1007/s00216-015-9219-8] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2015] [Revised: 11/22/2015] [Accepted: 11/24/2015] [Indexed: 10/22/2022]
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34
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He J, Li G, Hu Y. Aptamer Recognition Induced Target-Bridged Strategy for Proteins Detection Based on Magnetic Chitosan and Silver/Chitosan Nanoparticles Using Surface-Enhanced Raman Spectroscopy. Anal Chem 2015; 87:11039-47. [DOI: 10.1021/acs.analchem.5b03049] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Jincan He
- School
of Chemistry and Chemical
Engineering, Sun Yat-sen University, Guangzhou 510275, China
| | - Gongke Li
- School
of Chemistry and Chemical
Engineering, Sun Yat-sen University, Guangzhou 510275, China
| | - Yuling Hu
- School
of Chemistry and Chemical
Engineering, Sun Yat-sen University, Guangzhou 510275, China
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Wang P, Xia M, Liang O, Sun K, Cipriano AF, Schroeder T, Liu H, Xie YH. Label-Free SERS Selective Detection of Dopamine and Serotonin Using Graphene-Au Nanopyramid Heterostructure. Anal Chem 2015; 87:10255-61. [PMID: 26382549 DOI: 10.1021/acs.analchem.5b01560] [Citation(s) in RCA: 90] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Ultrasensitive detection and spatially resolved mapping of neurotransmitters, dopamine and serotonin, are critical to facilitate understanding brain functions and investigate the information processing in neural networks. In this work, we demonstrated single molecule detection of dopamine and serotonin using a graphene-Au nanopyramid heterostructure platform. The quasi-periodic Au structure boosts high-density and high-homogeneity hotspots resulting in ultrahigh sensitivity with a surface enhanced Raman spectroscopic (SERS) enhancement factor ∼10(10). A single layer graphene superimposed on a Au structure not only can locate SERS hot spots but also modify the surface chemistry to realize selective enhancement Raman yield. Dopamine and serotonin could be detected and distinguished from each other at 10(-10) M level in 1 s data acquisition time without any pretreatment and labeling process. Moreover, the heterostructure realized nanomolar detection of neurotransmitters in the presence of simulated body fluids. These findings represent a step forward in enabling in-depth studies of neurological processes including those closely related to brain activity mapping (BAM).
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Affiliation(s)
- Pu Wang
- Department of Materials Science and Engineering and California Nano Systems Institute, University of California, Los Angeles , Los Angeles, California 90095-1595, United States
| | - Ming Xia
- Department of Materials Science and Engineering and California Nano Systems Institute, University of California, Los Angeles , Los Angeles, California 90095-1595, United States
| | - Owen Liang
- Department of Materials Science and Engineering and California Nano Systems Institute, University of California, Los Angeles , Los Angeles, California 90095-1595, United States
| | - Ke Sun
- Department of Materials Science and Engineering and California Nano Systems Institute, University of California, Los Angeles , Los Angeles, California 90095-1595, United States.,WaferTech, LLC , 5509 NW Parker St., Camas, Washington 98607, United States
| | - Aaron F Cipriano
- Department of Bioengineering, Materials Science and Engineering Program, University of California at Riverside , Riverside, California 92521, United States
| | - Thomas Schroeder
- Innovations for High Performance (IHP) , Im Technologiepark 25, Frankfurt (Oder) D-15236, Germany
| | - Huinan Liu
- Department of Bioengineering, Materials Science and Engineering Program, University of California at Riverside , Riverside, California 92521, United States
| | - Ya-Hong Xie
- Department of Materials Science and Engineering and California Nano Systems Institute, University of California, Los Angeles , Los Angeles, California 90095-1595, United States
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36
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Exploration of attenuated total reflectance mid-infrared spectroscopy and multivariate calibration to measure immunoglobulin G in human sera. Talanta 2015; 142:110-9. [DOI: 10.1016/j.talanta.2015.04.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2015] [Revised: 04/03/2015] [Accepted: 04/03/2015] [Indexed: 12/14/2022]
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37
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Zeng Z, Cui B, Wang Y, Sun C, Zhao X, Cui H. Dual Reaction-Based Multimodal Assay for Dopamine with High Sensitivity and Selectivity Using Functionalized Gold Nanoparticles. ACS APPLIED MATERIALS & INTERFACES 2015; 7:16518-16524. [PMID: 26171655 DOI: 10.1021/acsami.5b03956] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
A simple and dual chemical reaction-based multimodal assay for dopamine with high sensitivity and selectivity using two types of functionalized gold nanoparticles (FB-AuNPs/NsNHS-AuNPs), i.e. fluorescein modified gold nanoparticles (FB-AuNPs) and Nile blue modified gold nanoparticles (NsNHS-AuNPs), was successfully fabricated. This assay for dopamine presents colorimetric visualization and double channel fluorescence enhancement at 515 and 665 nm. The absorbance and fluorescence changes were linearly proportional to the amounts of dopamine in the range of nanomolar scale (5-100 nM). The detection limits for absorbance and fluorescence were as low as 1.2 nM and 2.9 nM (S/N = 3), respectively. Furthermore, the extent application of this multimodal assay has been successfully demonstrated in human urine samples with high reliability and applicability, showing remarkable promise in diagnostic purposes.
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Affiliation(s)
- Zhanghua Zeng
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, P.R. China
| | - Bo Cui
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, P.R. China
| | - Yan Wang
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, P.R. China
| | - Changjiao Sun
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, P.R. China
| | - Xiang Zhao
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, P.R. China
| | - Haixin Cui
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing 100081, P.R. China
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Tang L, Li S, Han F, Liu L, Xu L, Ma W, Kuang H, Li A, Wang L, Xu C. SERS-active Au@Ag nanorod dimers for ultrasensitive dopamine detection. Biosens Bioelectron 2015; 71:7-12. [PMID: 25880832 DOI: 10.1016/j.bios.2015.04.013] [Citation(s) in RCA: 123] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2015] [Revised: 03/24/2015] [Accepted: 04/05/2015] [Indexed: 01/26/2023]
Abstract
Dopamine (DA) is a neurotransmitter which plays a key role in the life science. Self-assembled Au@Ag nanorod dimers based on aptamers were developed for ultrasensitive dopamine detection. The electronic field was significantly enhanced by the addition of silver shell coating on the surface of Au NR dimer. The results displayed that Au@Ag NR dimers were ideal building blocks for constructing the SERS substrates with prominent Raman enhancement effects. It was found that with using this Surface-enhanced Raman scattering (SERS)-encoded this sensing system, a limit of detection of 0.006 pM and a wide linear range of 0.01-10 pM for dopamine detection were obtained. Our work open up a new avenue for the diagnosis and drug-discovery programs.
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Affiliation(s)
- Lijuan Tang
- State Key Lab of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, JiangSu 214122, PR China
| | - Si Li
- State Key Lab of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, JiangSu 214122, PR China
| | - Fei Han
- Cereals & Oils Nutrition Research Group, Academy of Science & Technology of State Administration of Grain, Beijing 100037, PR China
| | - Liqiang Liu
- State Key Lab of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, JiangSu 214122, PR China
| | - Liguang Xu
- State Key Lab of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, JiangSu 214122, PR China
| | - Wei Ma
- State Key Lab of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, JiangSu 214122, PR China
| | - Hua Kuang
- State Key Lab of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, JiangSu 214122, PR China
| | - Aike Li
- Cereals & Oils Nutrition Research Group, Academy of Science & Technology of State Administration of Grain, Beijing 100037, PR China.
| | - Libing Wang
- State Key Lab of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, JiangSu 214122, PR China
| | - Chuanlai Xu
- State Key Lab of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, JiangSu 214122, PR China.
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39
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Qiu Y, Deng D, Deng Q, Wu P, Zhang H, Cai C. Synthesis of magnetic Fe3O4–Au hybrids for sensitive SERS detection of cancer cells at low abundance. J Mater Chem B 2015; 3:4487-4495. [DOI: 10.1039/c5tb00638d] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A facile and rapid SERS-based immunoassay for living cancer cells using magnetic Fe3O4–Au hybrid nanoparticles is reported.
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Affiliation(s)
- Yanchun Qiu
- Jiangsu Key Laboratory of New Power Batteries
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- National and Local Joint Engineering Research Center of Biomedical Functional Materials
- College of Chemistry and Materials Science
- Nanjing Normal University
| | - Dan Deng
- Jiangsu Key Laboratory of New Power Batteries
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- National and Local Joint Engineering Research Center of Biomedical Functional Materials
- College of Chemistry and Materials Science
- Nanjing Normal University
| | - Qianwen Deng
- Jiangsu Key Laboratory of New Power Batteries
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- National and Local Joint Engineering Research Center of Biomedical Functional Materials
- College of Chemistry and Materials Science
- Nanjing Normal University
| | - Ping Wu
- Jiangsu Key Laboratory of New Power Batteries
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- National and Local Joint Engineering Research Center of Biomedical Functional Materials
- College of Chemistry and Materials Science
- Nanjing Normal University
| | - Hui Zhang
- Jiangsu Key Laboratory of New Power Batteries
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- National and Local Joint Engineering Research Center of Biomedical Functional Materials
- College of Chemistry and Materials Science
- Nanjing Normal University
| | - Chenxin Cai
- Jiangsu Key Laboratory of New Power Batteries
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- National and Local Joint Engineering Research Center of Biomedical Functional Materials
- College of Chemistry and Materials Science
- Nanjing Normal University
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