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Ma W, He C, Shen C, Zhang G, Pan J, Tang Y, Wang J, Gao T. Bead-based spontaneous Raman codes for multiplex immunoassay. Anal Chim Acta 2024; 1316:342813. [PMID: 38969419 DOI: 10.1016/j.aca.2024.342813] [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: 12/25/2023] [Revised: 04/29/2024] [Accepted: 06/01/2024] [Indexed: 07/07/2024]
Abstract
In the immunoassay process, for fulfilling the need to identify multiple analytes in a small amount of complex sample matrix, it is desirable to develop highly efficient and specific multiplex suspension array technology. Raman coding strategy offers an attractive solution to code the suspension arrays by simply combing narrow spectral bands with stable signal intensities through solid-phase synthesis on the resin beads. Based on this strategy, we report the bead-based spontaneous Raman codes for multiplex immunoassay. The study resulted in superior selectivity of the Raman-encoded beads for binding with single and multiple analytes, respectively. With the use of mixed types of Raman-encoded immunoassay beads, multiple targets in small amounts of samples were identified rapidly and accurately. By confirming the feasibility of bead-based spontaneous Raman codes for multiplex immunoassay, we anticipate this novel technology to be widely applied in the near future.
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Affiliation(s)
- Weiwei Ma
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, and Chemical Biology Center, College of Chemistry, Central China Normal University, Wuhan, 430079, Hubei, China
| | - Caili He
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, and Chemical Biology Center, College of Chemistry, Central China Normal University, Wuhan, 430079, Hubei, China
| | - Chengyue Shen
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, and Chemical Biology Center, College of Chemistry, Central China Normal University, Wuhan, 430079, Hubei, China
| | - Guihao Zhang
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, and Chemical Biology Center, College of Chemistry, Central China Normal University, Wuhan, 430079, Hubei, China
| | - Jun Pan
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, and Chemical Biology Center, College of Chemistry, Central China Normal University, Wuhan, 430079, Hubei, China
| | - Yuchen Tang
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, and Chemical Biology Center, College of Chemistry, Central China Normal University, Wuhan, 430079, Hubei, China
| | - Jinzhi Wang
- Department of Chemistry, Shantou University Medical College, Shantou, 515041, Guangdong, China.
| | - Tingjuan Gao
- Key Laboratory of Pesticide and Chemical Biology of Ministry of Education, and Chemical Biology Center, College of Chemistry, Central China Normal University, Wuhan, 430079, Hubei, China.
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2
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Shen X, Zhang Y, Wang D, Huang Y, Song Y, Wang S. Mediator Monomer Regulated Emulsion Interfacial Polymerization to Synthesize Nanofractal Magnetic Particles for Nucleic Acid Separation. SMALL METHODS 2024; 8:e2300531. [PMID: 37491768 DOI: 10.1002/smtd.202300531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2023] [Revised: 07/14/2023] [Indexed: 07/27/2023]
Abstract
Polymer-based magnetic particles have been widely used for the separation of biological samples including nucleic acids, proteins, virus, and cells. Existing magnetic particles are almost prepared by coating polymers on magnetic nanoparticles (NPs). However, this strategy usually encounters the problem of poor magnetic NPs loading capacity. Here, a series of nanofractal magnetic particles (nanoFMPs) synthesized by a strategy of mediator monomer regulated emulsion interfacial polymerization is presented, which allows effective magnetic NPs loading and show efficient nucleic acid separation performance. The mediator monomers facilitate the dispersion of magnetic NPs in internal phase to achieve higher loading, and the hydrophilic monomers use electrostatic interactions to form surface nanofractal structures with functional groups. Compared with magnetic particles without nanofractal structure, nanoFMPs exhibit a higher nucleic acid extraction capability. This strategy offers an effective and versatile way for the synthesis of nanoFMPs toward efficient separation in various fields from clinical diagnosis to food safety and environmental monitoring.
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Affiliation(s)
- Xinyi Shen
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Yue Zhang
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Duanda Wang
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
| | - Yanling Huang
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
| | - Yongyang Song
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Binzhou Institute of Technology, Weiqiao-UCAS Science and Technology Park, Binzhou City, Shandong Province, 256606, P. R. China
| | - Shutao Wang
- CAS Key Laboratory of Bio-inspired Materials and Interfacial Science, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P. R. China
- University of Chinese Academy of Sciences, Beijing, 100049, P. R. China
- Binzhou Institute of Technology, Weiqiao-UCAS Science and Technology Park, Binzhou City, Shandong Province, 256606, P. R. China
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3
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Su Z, Wei S, Shi X, Wang X, Zhang L, Bu X, Xu H, Liu Y, Jin M, Pang B, Zhao C. Smartphone-assisted colorimetric detection of Salmonella typhimurium based on the catalytic reduction of 4-nitrophenol by β-cyclodextrin-capped gold nanoparticles. Anal Chim Acta 2023; 1239:340672. [PMID: 36628755 DOI: 10.1016/j.aca.2022.340672] [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: 09/30/2022] [Revised: 11/21/2022] [Accepted: 11/23/2022] [Indexed: 12/07/2022]
Abstract
Salmonella typhimurium (S. typhimurium) is one of the most common pathogens in the environment, such as in drinking water and soil. Herein, an on-site detection method was developed by combining silver-coated magnetic nanoparticles (Fe3O4@Ag NPs) with the β-cyclodextrin-capped gold nanoparticles (β-CD-Au NPs) to achieve sensitive detection of S. typhimurium. After they formed a sandwich structure in the presence of S. typhimurium, the 4-nitrophenol was reduced to 4-aminophenol based on the nitro-reductase activity of β-CD-Au NPs. The naked eyes were able to observe the color change from yellow to colorless. Under optimal conditions, the detection range of S. typhimurium was 10-107 CFU mL-1, and the limit of detection (LOD) was 10 CFU mL-1. The total detection time was 90 min, showing satisfactory performance in real samples. We combined a smartphone app with the colorimetric method, making it possible to semi-quantitatively detect S. typhimurium by analyzing the grey value. In conclusion, this assay detects S. typhimurium in environmental samples, offering an accurate and sensitive detection method without sophisticated equipment.
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Affiliation(s)
- Zhenyue Su
- School of Public Health, Jilin University, Changchun, 130021, China
| | - Shengnan Wei
- School of Public Health, Jilin University, Changchun, 130021, China
| | - Xuening Shi
- School of Public Health, Jilin University, Changchun, 130021, China
| | - Xiaomu Wang
- School of Public Health, Jilin University, Changchun, 130021, China
| | - Liang Zhang
- School of Public Health, Jilin University, Changchun, 130021, China
| | - Xiangong Bu
- School of Public Health, Jilin University, Changchun, 130021, China
| | - Hui Xu
- School of Public Health, Jilin University, Changchun, 130021, China
| | - Yi Liu
- School of Public Health, Jilin University, Changchun, 130021, China
| | - Minghua Jin
- School of Public Health, Jilin University, Changchun, 130021, China.
| | - Bo Pang
- School of Public Health, Jilin University, Changchun, 130021, China.
| | - Chao Zhao
- School of Public Health, Jilin University, Changchun, 130021, China.
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4
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Zou B, Lou S, Wang J, Zhou S, Wang Y. Periodic Surface-Enhanced Raman Scattering-Encoded Magnetic Beads for Reliable Quantitative Surface-Enhanced Raman Scattering-Based Multiplex Bioassay. Anal Chem 2022; 94:11557-11563. [PMID: 35960877 DOI: 10.1021/acs.analchem.2c01793] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Surface-enhanced Raman scattering (SERS)-based immunoassay on encoded beads is highly attractive with the advantages of ultrasensitivity, multiplex and high throughput. However, it was a great challenge to screen out in-focus signals of the immunoconjugated SERS nanoprobes on spherical bead conveniently. Here, periodic SERS-encoded magnetic beads (PSE-MBs) were developed through droplet optofluidic technique by using monodisperse SERS-encoded magnetic nanospheres as building blocks. The designed PSE-MBs not only exhibit huge coding capacity, but also provide the strongest and reproducible SERS coding signals as "in-focus beacons". When PSE-MBs are used as capture carriers in SERS-based immunoassay, both multiple target analytes and in-focus signals of SERS nanoprobes could be easily identified according to the collected SERS coding signals. Thus, reliable quantitative analysis of multiple target analytes could be conveniently achieved by such detection protocol. Additionally, the magnetic ingredient in PSE-MBs made the operation easily during the bioassay. The multiple advantages of PSE-MBs including large coding capacity, in-focus beacons and magnetic operation endorse them to be robust capture carriers in reliable quantitative SERS-based multiplex immunoassay.
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Affiliation(s)
- Bingfang Zou
- Key Laboratory for Special Functional Materials of the Ministry of Education, Henan University, Kaifeng 475004, P. R. China.,School of Physics and Electronics, Henan University, Kaifeng 475004, P. R. China
| | - Shiyun Lou
- Key Laboratory for Special Functional Materials of the Ministry of Education, Henan University, Kaifeng 475004, P. R. China
| | - Jizhou Wang
- Department of Clinical Laboratory, Translational Medicine Centre, Huaihe Hospital Affiliated to Henan University, Kaifeng 475004, P. R. China
| | - Shaomin Zhou
- Key Laboratory for Special Functional Materials of the Ministry of Education, Henan University, Kaifeng 475004, P. R. China
| | - Yongqiang Wang
- Key Laboratory for Special Functional Materials of the Ministry of Education, Henan University, Kaifeng 475004, 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: 10] [Impact Index Per Article: 3.3] [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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6
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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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Tobias C, Climent E, Gawlitza K, Rurack K. Polystyrene Microparticles with Convergently Grown Mesoporous Silica Shells as a Promising Tool for Multiplexed Bioanalytical Assays. ACS APPLIED MATERIALS & INTERFACES 2021; 13:207-218. [PMID: 33348979 DOI: 10.1021/acsami.0c17940] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Functional core/shell particles are highly sought after in analytical chemistry, especially in methods suitable for single-particle analysis such as flow cytometry because they allow for facile multiplexed detection of several analytes in a single run. Aiming to develop a powerful bead platform of which the core particle can be doped in a straightforward manner while the shell offers the highest possible sensitivity when functionalized with (bio)chemical binders, polystyrene particles were coated with different kinds of mesoporous silica shells in a convergent growth approach. Mesoporous shells allow us to obtain distinctly higher surface areas in comparison with conventional nonporous shells. While assessing the potential of narrow- as well as wide-pore silicas such as Mobil composition of matter no. 41 (MCM-41) and Santa Barbara amorphous material no. 15 (SBA-15), especially the synthesis of the latter shells that are much more suitable for biomolecule anchoring was optimized by altering the pH and both, the amount and type of the mediator salt. Our studies showed that the best performing material resulted from a synthesis using neutral conditions and MgSO4 as an ionic mediator. The analytical potential of the particles was investigated in flow cytometric DNA assays after their respective functionalization for individual and multiplexed detection of short oligonucleotide strands. These experiments revealed that a two-step modification of the silica surface with amino silane and succinic anhydride prior to coupling of an amino-terminated capture DNA (c-DNA) strand is superior to coupling carboxylic acid-terminated c-DNA to aminated core/shell particles, yielding limits of detection (LOD) down to 5 pM for a hybridization assay, using labeled complementary single-stranded target DNA (t-DNA) 15mers. The potential of the use of the particles in multiplexed analysis was shown with the aid of dye-doped core particles carrying a respective SBA-15 shell. Characteristic genomic sequences of human papillomaviruses (HPV) were chosen as the t-DNA analytes here, since their high relevance as carcinogens and the high number of different pathogens is a relevant model case. The title particles showed a promising performance and allowed us to unequivocally detect the different high- and low-risk HPV types in a single experimental run.
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Affiliation(s)
- Charlie Tobias
- Chemical and Optical Sensing Division, Bundesanstalt für Materialforschung und -prüfung (BAM), Richard-Willstätter-Str. 11, D-12489 Berlin, Germany
| | - Estela Climent
- Chemical and Optical Sensing Division, Bundesanstalt für Materialforschung und -prüfung (BAM), Richard-Willstätter-Str. 11, D-12489 Berlin, Germany
| | - Kornelia Gawlitza
- Chemical and Optical Sensing Division, Bundesanstalt für Materialforschung und -prüfung (BAM), Richard-Willstätter-Str. 11, D-12489 Berlin, Germany
| | - Knut Rurack
- Chemical and Optical Sensing Division, Bundesanstalt für Materialforschung und -prüfung (BAM), Richard-Willstätter-Str. 11, D-12489 Berlin, Germany
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8
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Wei S, Li J, He J, Zhao W, Wang F, Song X, Xu K, Wang J, Zhao C. Paper chip-based colorimetric assay for detection of Salmonella typhimurium by combining aptamer-modified Fe 3O 4@Ag nanoprobes and urease activity inhibition. Mikrochim Acta 2020; 187:554. [PMID: 32902716 DOI: 10.1007/s00604-020-04537-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Accepted: 08/28/2020] [Indexed: 12/31/2022]
Abstract
A rapid and sensitive colorimetric assay is described for Salmonella typhimurium (S. typhimurium) detection using urea/phenol red impregnated test paper. Aptamer-modified Fe3O4@Ag multifunctional hybrid nanoprobes (apt-Fe3O4@Ag NPs) were used to specifically captured S. typhimurium; the nanoprobes were quickly etched by H2O2 to form Ag+. The generated Ag+ can inhibit the urease-catalyzed hydrolysis reaction of urea to produce NH4+. Consequently, the as-prepared test paper displayed a yellow color. In the presence of S. typhimurium, the target bacteria can cause aggregation of apt-Fe3O4@Ag NPs, and the deposited Ag on the nanoprobe's surface is shielded against H2O2-induced oxidative decomposition leading to reduced Ag+ production. The catalytic activity of urease cannot be inhibited completely by inadequate amount of Ag+. An obvious color change from yellow to pink can be monitored directly using our test paper as a result of increased NH4+. The entire assay procedure could be completed within 1 h. A limit of detection of 48 cfu/mL is achieved with a linear range of 1 × 102 to 1 × 106 cfu/mL. The recoveries of S. typhimurium spiked in pure milk samples were 92.48-94.05%. Graphical abstract Schematic diagram of the proposed colorimetric assay for S. typhimurium detection based on etching of bifunctional apt-Fe3O4@Ag NPs and inhibiting catalytic activity of urease by Ag+. A color change from yellow to pink can be observed and correlated to the concentration of S. typhimurium.
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Affiliation(s)
- Shengnan Wei
- School of Public Health, Jilin University, Changchun, 130021, China
| | - Juan Li
- School of Public Health, Jilin University, Changchun, 130021, China.
| | - Jingya He
- School of Stomatology, Jilin University, Changchun, 130021, China
| | - Wei Zhao
- Jilin Provincial Center for Disease Control and Prevention, Changchun, 130062, China
| | - Feng Wang
- School of Stomatology, Jilin University, Changchun, 130021, China
| | - Xiuling Song
- School of Public Health, Jilin University, Changchun, 130021, China.,Public Health Detection Engineering Research Center of Jilin Province, Changchun, 130021, China
| | - Kun Xu
- School of Public Health, Jilin University, Changchun, 130021, China.,Public Health Detection Engineering Research Center of Jilin Province, Changchun, 130021, China
| | - Juan Wang
- School of Public Health, Jilin University, Changchun, 130021, China.
| | - Chao Zhao
- School of Public Health, Jilin University, Changchun, 130021, China.
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9
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A novel gold nanoparticles decorated magnetic microbead-based molecular beacon for DNA multiplexing detection by flow cytometry. Anal Chim Acta 2020; 1110:19-25. [DOI: 10.1016/j.aca.2020.02.063] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 02/22/2020] [Accepted: 02/26/2020] [Indexed: 12/17/2022]
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10
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He J, Zhi H, Hu Q, Meng H, Wang J, Feng L. The SPE-assisted europium (III) based complex fluorometric assay for the highly selective and sensitive detection of manganese (II) in water. Talanta 2020; 210:120633. [PMID: 31987163 DOI: 10.1016/j.talanta.2019.120633] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 12/01/2019] [Accepted: 12/08/2019] [Indexed: 01/27/2023]
Abstract
Detection of trace manganese (Ⅱ) ion (Mn2+) is crucial to water safety. Here, commercially available PS-DVB microspheres were sulfonated and then filled into the SPE column in order to separate Mn2+ from complex matrices. Meanwhile, europium (III) complex was prepared with a simple "one pot" method, and its fluorescence intensity was quenched gradually with the increase of Mn2+ concentration. Europium (III) complex combined with home-made SPE column was utilized for highly selective and sensitive measurement of Mn2+. The detectable concentrations of Mn2+ can be low as 0.2 μM, which was less than the drinking water guidelines. Consequently, this new method is promising to assess the content of Mn2+ rapidly and accurately in real-world water samples.
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Affiliation(s)
- Jiaqi He
- School of Biological Engineering, Dalian Polytechnic University, No.1 Qinggong Road, Ganjingzi District, Dalian, Liaoning, 116034, PR China; Department of Instrumentation and Analytical Chemistry, Key Lab of Separation Sciences for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, PR China
| | - Hui Zhi
- Department of Instrumentation and Analytical Chemistry, Key Lab of Separation Sciences for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Qi Hu
- Department of Instrumentation and Analytical Chemistry, Key Lab of Separation Sciences for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, PR China; University of Chinese Academy of Sciences, Beijing, 100049, PR China
| | - Hu Meng
- Department of Instrumentation and Analytical Chemistry, Key Lab of Separation Sciences for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, PR China
| | - Jihui Wang
- School of Biological Engineering, Dalian Polytechnic University, No.1 Qinggong Road, Ganjingzi District, Dalian, Liaoning, 116034, PR China; School of Chemical Engineering and Energy Technology, Institute of Science and Technology Innovation, Dongguan University of Technology, No. 1 Daxue Road, Songshan Lake, Dongguan, Guangdong, 523808, PR China.
| | - Liang Feng
- Department of Instrumentation and Analytical Chemistry, Key Lab of Separation Sciences for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, PR China.
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11
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Vasilichin VA, Tsymbal SA, Fakhardo AF, Anastasova EI, Marchenko AS, Shtil AA, Vinogradov VV, Koshel EI. Effects of Metal Oxide Nanoparticles on Toll-Like Receptor mRNAs in Human Monocytes. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E127. [PMID: 32284505 PMCID: PMC7023015 DOI: 10.3390/nano10010127] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 12/30/2019] [Accepted: 01/05/2020] [Indexed: 01/04/2023]
Abstract
For the widespread application of nanotechnology in biomedicine, it is necessary to obtain information about their safety. A critical problem is presented by the host immune responses to nanomaterials. It is assumed that the innate immune system plays a crucial role in the interaction of nanomaterials with the host organism. However, there are only fragmented data on the activation of innate immune system factors, such as toll-like receptors (TLRs), by some nanoparticles (NPs). In this study, we investigated TLRs' activation by clinically relevant and promising NPs, such as Fe3O4, TiO2, ZnO, CuO, Ag2O, and AlOOH. Cytotoxicity and effects on innate immunity factors were studied in THP-1(Tohoku Hospital Pediatrics-1) cell culture. NPs caused an increase of TLR-4 and -6 expression, which was comparable with the LPS-induced level. This suggests that the studied NPs can stimulate the innate immune system response inside the host. The data obtained should be taken into account in future research and to create safe-by-design biomedical nanomaterials.
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Affiliation(s)
- Vladislav A. Vasilichin
- International Institute Solution Chemistry of Advanced Materials and Technologies, ITMO University, 197101 St. Petersburg, Russia; (V.A.V.); (S.A.T.); (A.F.F.); (E.I.A.); (A.S.M.); (A.A.S.)
| | - Sergey A. Tsymbal
- International Institute Solution Chemistry of Advanced Materials and Technologies, ITMO University, 197101 St. Petersburg, Russia; (V.A.V.); (S.A.T.); (A.F.F.); (E.I.A.); (A.S.M.); (A.A.S.)
| | - Anna F. Fakhardo
- International Institute Solution Chemistry of Advanced Materials and Technologies, ITMO University, 197101 St. Petersburg, Russia; (V.A.V.); (S.A.T.); (A.F.F.); (E.I.A.); (A.S.M.); (A.A.S.)
| | - Elizaveta I. Anastasova
- International Institute Solution Chemistry of Advanced Materials and Technologies, ITMO University, 197101 St. Petersburg, Russia; (V.A.V.); (S.A.T.); (A.F.F.); (E.I.A.); (A.S.M.); (A.A.S.)
| | - Andrey S. Marchenko
- International Institute Solution Chemistry of Advanced Materials and Technologies, ITMO University, 197101 St. Petersburg, Russia; (V.A.V.); (S.A.T.); (A.F.F.); (E.I.A.); (A.S.M.); (A.A.S.)
| | - Alexander A. Shtil
- International Institute Solution Chemistry of Advanced Materials and Technologies, ITMO University, 197101 St. Petersburg, Russia; (V.A.V.); (S.A.T.); (A.F.F.); (E.I.A.); (A.S.M.); (A.A.S.)
- Blokhin National Medical Research Center of Oncology, 115478 Moscow, Russia
| | - Vladimir V. Vinogradov
- International Institute Solution Chemistry of Advanced Materials and Technologies, ITMO University, 197101 St. Petersburg, Russia; (V.A.V.); (S.A.T.); (A.F.F.); (E.I.A.); (A.S.M.); (A.A.S.)
| | - Elena I. Koshel
- International Institute Solution Chemistry of Advanced Materials and Technologies, ITMO University, 197101 St. Petersburg, Russia; (V.A.V.); (S.A.T.); (A.F.F.); (E.I.A.); (A.S.M.); (A.A.S.)
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12
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Yang JK, Hwang IJ, Cha MG, Kim HI, Yim D, Jeong DH, Lee YS, Kim JH. Reaction Kinetics-Mediated Control over Silver Nanogap Shells as Surface-Enhanced Raman Scattering Nanoprobes for Detection of Alzheimer's Disease Biomarkers. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1900613. [PMID: 30957959 DOI: 10.1002/smll.201900613] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Revised: 03/20/2019] [Indexed: 06/09/2023]
Abstract
It is very challenging to accurately quantify the amounts of amyloid peptides Aβ40 and Aβ42, which are Alzheimer's disease (AD) biomarkers, in blood owing to their low levels. This has driven the development of sensitive and noninvasive sensing methods for the early diagnosis of AD. Here, an approach for the synthesis of Ag nanogap shells (AgNGSs) is reported as surface-enhanced Raman scattering (SERS) colloidal nanoprobes for the sensitive, selective, and multiplexed detection of Aβ40 and Aβ42 in blood. Raman label chemicals used for SERS signal generation modulate the reaction rate for AgNGSs production through the formation of an Ag-thiolate lamella structure, enabling the control of nanogaps at one nanometer resolution. The AgNGSs embedded with the Raman label chemicals emit their unique SERS signals with a huge intensity enhancement of up to 107 and long-term stability. The AgNGS nanoprobes, conjugated with an antibody specific to Aβ40 or Aβ42, are able to detect these AD biomarkers in a multiplexed manner in human serum based on the AgNGS SERS signals. Detection is possible for amounts as low as 0.25 pg mL-1 . The AgNGS nanoprobe-based sandwich assay has a detection dynamic range two orders of magnitude wider than that of a conventional enzyme-linked immunosorbent assay.
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Affiliation(s)
- Jin-Kyoung Yang
- Department of Chemical Engineering, Hanyang University, Ansan, 426-791, Republic of Korea
| | - In-Jun Hwang
- Department of Chemical Engineering, Hanyang University, Ansan, 426-791, Republic of Korea
| | - Myeong Geun Cha
- Department of Chemistry Education, Seoul National University, Seoul, 151-742, Republic of Korea
| | - Hye-In Kim
- Department of Chemical Engineering, Hanyang University, Ansan, 426-791, Republic of Korea
| | - DaBin Yim
- Department of Chemical Engineering, Hanyang University, Ansan, 426-791, Republic of Korea
| | - Dae Hong Jeong
- Department of Chemistry Education, Seoul National University, Seoul, 151-742, Republic of Korea
| | - Yoon-Sik Lee
- School of Chemical and Biological Engineering, Seoul National University, Seoul, 151-742, Republic of Korea
| | - Jong-Ho Kim
- Department of Chemical Engineering, Hanyang University, Ansan, 426-791, Republic of Korea
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13
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Sarma D, Carl P, Climent E, Schneider RJ, Rurack K. Multifunctional Polystyrene Core/Silica Shell Microparticles with Antifouling Properties for Bead-Based Multiplexed and Quantitative Analysis. ACS APPLIED MATERIALS & INTERFACES 2019; 11:1321-1334. [PMID: 30507151 DOI: 10.1021/acsami.8b10306] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Commercial bead-based assays are commonly built upon polystyrene particles. The polymeric carrier can be encoded with organic dyes and has ideal material properties for cytometric applications such as low density and high refractive index. However, functional groups are conventionally integrated during polymerization and subsequent modification is limited to the reactivity of those groups. Additionally, polystyrene as the core material leads to many hydrophobic areas still being present on the beads' surfaces even after functionalization, rendering the particles prone to nonspecific adsorption during an application. The latter calls for several washing steps and the use of additives in (bio)analytical assays. In this contribution, we show how these limitations can be overcome by using monodisperse polystyrene (PS) core/silica (SiO2) shell particles (SiO2@PS). Two different hydrophobic BODIPY (boron-dipyrromethene) dyes were encapsulated inside a poly(vinylpyrrolidone) (PVP) -stabilized polystyrene core in different concentrations to create 5-plex arrays in two separate detection channels of a cytometer. A subsequent modification of the silica shell with an equimolar APTES/PEGS (aminopropyltriethoxysilane/polyethylene glycol silane) blend added multifunctional properties to the hybrid core/shell microparticles in a single step: APTES provides amino groups for the attachment of a caffeine derivative (as a hapten) to create antigen-coupled microspheres; the PEG moiety effectively suppresses nonspecific binding of antibodies, endowing the surface with antifouling properties. The particles were applied in a competitive fluorescence immunoassay in suspension, and a highly selective wash-free assay for the detection of caffeine in beverages was developed as a proof of concept.
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Affiliation(s)
- Dominik Sarma
- Department of Analytical Chemistry; Reference Materials , Bundesanstalt für Materialforschung und -prüfung (BAM) , Richard-Willstätter-Straße 11 , 12489 Berlin , Germany
- Department of Chemistry , Humboldt-Universität zu Berlin , Brook-Taylor-Straße 2 , 12489 Berlin , Germany
| | - Peter Carl
- Department of Analytical Chemistry; Reference Materials , Bundesanstalt für Materialforschung und -prüfung (BAM) , Richard-Willstätter-Straße 11 , 12489 Berlin , Germany
- Department of Chemistry , Humboldt-Universität zu Berlin , Brook-Taylor-Straße 2 , 12489 Berlin , Germany
| | - Estela Climent
- Department of Analytical Chemistry; Reference Materials , Bundesanstalt für Materialforschung und -prüfung (BAM) , Richard-Willstätter-Straße 11 , 12489 Berlin , Germany
| | - Rudolf J Schneider
- Department of Analytical Chemistry; Reference Materials , Bundesanstalt für Materialforschung und -prüfung (BAM) , Richard-Willstätter-Straße 11 , 12489 Berlin , Germany
- Technische Universität Berlin , Straße des 17. Juni 135 , 10623 Berlin , Germany
| | - Knut Rurack
- Department of Analytical Chemistry; Reference Materials , Bundesanstalt für Materialforschung und -prüfung (BAM) , Richard-Willstätter-Straße 11 , 12489 Berlin , Germany
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14
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Yuan C, Deng Y, Li X, Li C, Xiao Z, Liu Z. Synthesis of Monodisperse Plasmonic Magnetic Microbeads and Their Application in Ultrasensitive Detection of Biomolecules. Anal Chem 2018; 90:8178-8187. [DOI: 10.1021/acs.analchem.8b01510] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Chao Yuan
- College of Science, Huazhong Agricultural University, Wuhan 430070, China
| | - Yunte Deng
- Department of Pathology, Hubei Cancer Hospital, Wuhan 430079, China
| | - Xuemeng Li
- College of Science, Huazhong Agricultural University, Wuhan 430070, China
| | - Chengfei Li
- College of Science, Huazhong Agricultural University, Wuhan 430070, China
| | - Zhidong Xiao
- College of Science, Huazhong Agricultural University, Wuhan 430070, China
| | - Zhuang Liu
- Jiangsu Key Laboratory
for Carbon-Based Functional Materials and Devices, Institute of Functional Nano and Soft Materials, Soochow University, Suzhou 215123, China
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15
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Rho J, Jang W, Hwang I, Lee D, Lee CH, Chung TD. Multiplex immunoassays using virus-tethered gold microspheres by DC impedance-based flow cytometry. Biosens Bioelectron 2017; 102:121-128. [PMID: 29128714 DOI: 10.1016/j.bios.2017.11.027] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 10/31/2017] [Accepted: 11/06/2017] [Indexed: 11/17/2022]
Abstract
Bead-based multiplex immunoassays for common use require enhanced sensitivity and effective prevention of non-specific adsorption, as well as miniaturization of the detection device. In this work, we have implemented virus-tethered gold microspheres for multiplex immunoassay applications, employing a DC impedance-based flow cytometer as a detection element. The advantages of virus-tethered gold microspheres, including excellent prevention of non-specific adsorption, are extended to signal enhancement arising from the large quantity of antibody loading on each virion, and to flexible movement of filamentous virus. Individual virus-tethered beads generate their own DC impedance and fluorescence signals, which are simultaneously detected by a chip-based microfluidic flow cytometer. This system successfully realized multiplex immunoassays involving four biomarkers: cardiac troponin I (cTnI), prostate specific antigen (PSA), creatine kinase MB (CK-MB), and myoglobin in undiluted human sera, elevating sensitivity by up to 5.7-fold compared to the beads without virus. Constructive integration between filamentous virus-tethered Au-layered microspheres and use of a microfluidic cytometer suggests a promising strategy for competitive multiplex immunoassay development based on suspension arrays.
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Affiliation(s)
- Jihun Rho
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
| | - Woohyuk Jang
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
| | - Inseong Hwang
- InSol Co., Ltd., Yangjae-daero 85-gil, Gangdong-gu, Seoul 05408, Republic of Korea
| | - Dahye Lee
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
| | - Chang Heon Lee
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea
| | - Taek Dong Chung
- Department of Chemistry, Seoul National University, Seoul 08826, Republic of Korea; Program in Nano Science and Technology, Graduate School of Convergence Science and Technology, Seoul National University, Suwon-Si, Gyeonggi-do 16229, Republic of Korea; Advanced Institutes of Convergence Technology, Suwon-Si, Gyeonggi-do 16229, Republic of Korea.
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16
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Sarma D, Gawlitza K, Rurack K. Polystyrene Core-Silica Shell Particles with Defined Nanoarchitectures as a Versatile Platform for Suspension Array Technology. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2016; 32:3717-3727. [PMID: 27018430 DOI: 10.1021/acs.langmuir.6b00373] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The need for rapid and high-throughput screening in analytical laboratories has led to significant growth in interest in suspension array technologies (SATs), especially with regard to cytometric assays targeting a low to medium number of analytes. Such SAT or bead-based assays rely on spherical objects that constitute the analytical platform. Usually, functionalized polymer or silica (SiO2) microbeads are used which each have distinct advantages and drawbacks. In this paper, we present a straightforward synthetic route to highly monodisperse SiO2-coated polystyrene core-shell (CS) beads for SAT with controllable architectures from smooth to raspberry- and multilayer-like shells by varying the molecular weight of poly(vinylpyrrolidone) (PVP), which was used as the stabilizer of the cores. The combination of both organic polymer core and a structurally controlled inorganic SiO2 shell in one hybrid particle holds great promises for flexible next-generation design of the spherical platform. The particles were characterized by electron microscopy (SEM, T-SEM, and TEM), thermogravimetry, flow cytometry, and nitrogen adsorption/desorption, offering comprehensive information on the composition, size, structure, and surface area. All particles show ideal cytometric detection patterns and facile handling due to the hybrid structure. The beads are endowed with straightforward modification possibilities through the defined SiO2 shells. We successfully implemented the particles in fluorometric SAT model assays, illustrating the benefits of tailored surface area which is readily available for small-molecule anchoring. Very promising assay performance was shown for DNA hybridization assays with quantification limits down to 8 fmol.
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Affiliation(s)
- Dominik Sarma
- Chemical and Optical Sensing Division 1.9, Bundesanstalt für Materialforschung und -prüfung (BAM) , Richard-Willstätter-Str. 11, D-12489 Berlin, Germany
| | - Kornelia Gawlitza
- Chemical and Optical Sensing Division 1.9, Bundesanstalt für Materialforschung und -prüfung (BAM) , Richard-Willstätter-Str. 11, D-12489 Berlin, Germany
| | - Knut Rurack
- Chemical and Optical Sensing Division 1.9, Bundesanstalt für Materialforschung und -prüfung (BAM) , Richard-Willstätter-Str. 11, D-12489 Berlin, Germany
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17
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Kumar S, Johnson TW, Wood C, Qu T, Wittenberg N, Otto LM, Shaver J, Long NJ, Victora RH, Edel JB, Oh SH. Template-Stripped Multifunctional Wedge and Pyramid Arrays for Magnetic Nanofocusing and Optical Sensing. ACS APPLIED MATERIALS & INTERFACES 2016; 8:9319-9326. [PMID: 26837912 PMCID: PMC4832397 DOI: 10.1021/acsami.5b12157] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2015] [Accepted: 02/03/2016] [Indexed: 06/05/2023]
Abstract
We present large-scale reproducible fabrication of multifunctional ultrasharp metallic structures on planar substrates with capabilities including magnetic field nanofocusing and plasmonic sensing. Objects with sharp tips such as wedges and pyramids made with noble metals have been extensively used for enhancing local electric fields via the lightning-rod effect or plasmonic nanofocusing. However, analogous nanofocusing of magnetic fields using sharp tips made with magnetic materials has not been widely realized. Reproducible fabrication of sharp tips with magnetic as well as noble metal layers on planar substrates can enable straightforward application of their material and shape-derived functionalities. We use a template-stripping method to produce plasmonic-shell-coated nickel wedge and pyramid arrays at the wafer-scale with tip radius of curvature close to 10 nm. We further explore the magnetic nanofocusing capabilities of these ultrasharp substrates, deriving analytical formulas and comparing the results with computer simulations. These structures exhibit nanoscale spatial control over the trapping of magnetic microbeads and nanoparticles in solution. Additionally, enhanced optical sensing of analytes by these plasmonic-shell-coated substrates is demonstrated using surface-enhanced Raman spectroscopy. These methods can guide the design and fabrication of novel devices with applications including nanoparticle manipulation, biosensing, and magnetoplasmonics.
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Affiliation(s)
- Shailabh Kumar
- Department of Electrical and Computer Engineering, Department of Biomedical
Engineering, and Department of Physics, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Timothy W. Johnson
- Department of Electrical and Computer Engineering, Department of Biomedical
Engineering, and Department of Physics, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Christopher
K. Wood
- Department of Chemistry, Imperial College
London, South Kensington, SW7 2AZ London, United Kingdom
| | - Tao Qu
- Department of Electrical and Computer Engineering, Department of Biomedical
Engineering, and Department of Physics, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Nathan
J. Wittenberg
- Department of Electrical and Computer Engineering, Department of Biomedical
Engineering, and Department of Physics, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Lauren M. Otto
- Department of Electrical and Computer Engineering, Department of Biomedical
Engineering, and Department of Physics, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Jonah Shaver
- Department of Electrical and Computer Engineering, Department of Biomedical
Engineering, and Department of Physics, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Nicholas J. Long
- Department of Chemistry, Imperial College
London, South Kensington, SW7 2AZ London, United Kingdom
| | - Randall H. Victora
- Department of Electrical and Computer Engineering, Department of Biomedical
Engineering, and Department of Physics, University of Minnesota, Minneapolis, Minnesota 55455, United States
| | - Joshua B. Edel
- Department of Chemistry, Imperial College
London, South Kensington, SW7 2AZ London, United Kingdom
| | - Sang-Hyun Oh
- Department of Electrical and Computer Engineering, Department of Biomedical
Engineering, and Department of Physics, University of Minnesota, Minneapolis, Minnesota 55455, United States
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18
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Zhao Y, Yang Y, Luo Y, Yang X, Li M, Song Q. Double Detection of Mycotoxins Based on SERS Labels Embedded Ag@Au Core-Shell Nanoparticles. ACS APPLIED MATERIALS & INTERFACES 2015; 7:21780-6. [PMID: 26381109 DOI: 10.1021/acsami.5b07804] [Citation(s) in RCA: 128] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
A sensitive surface-enhanced Raman scattering (SERS) signal dependent double detection of mycotoxins is achieved for the first time, without the aid of nucleic acid amplification strategies. SERS labels embedded Ag@Au core-shell (CS) nanoparticles (NPs) as novel SERS tags are successfully prepared through a galvanic replacement-free deposition. SERS tags produce stable and quantitative SERS signal, emerging from the plasmonic coupling at the junction of Ag core and Au shell. SERS tags engineered Raman aptasensors are developed for the double detection of ochratoxin A (OTA) and aflatoxin B1 (AFB1) in maize meal. The limits of detection (LODs) are as low as 0.006 ng/mL for OTA and 0.03 ng/mL for AFB1. The developed protocol can be extended to a large set of different SERS tags for the sensitive detection of multiple targets that possess different lengths of aptamers.
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Affiliation(s)
- Yuan Zhao
- The Key Lab of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University , Wuxi, Jiangsu 214122, People's Republic of China
| | - Yaxin Yang
- The Key Lab of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University , Wuxi, Jiangsu 214122, People's Republic of China
| | - Yaodong Luo
- The Key Lab of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University , Wuxi, Jiangsu 214122, People's Republic of China
| | - Xuan Yang
- The Key Lab of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University , Wuxi, Jiangsu 214122, People's Republic of China
| | - Manli Li
- The Key Lab of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University , Wuxi, Jiangsu 214122, People's Republic of China
| | - Qijun Song
- The Key Lab of Food Colloids and Biotechnology, Ministry of Education, School of Chemical and Material Engineering, Jiangnan University , Wuxi, Jiangsu 214122, People's Republic of China
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19
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Leng Y, Sun K, Chen X, Li W. Suspension arrays based on nanoparticle-encoded microspheres for high-throughput multiplexed detection. Chem Soc Rev 2015; 44:5552-95. [PMID: 26021602 PMCID: PMC5223091 DOI: 10.1039/c4cs00382a] [Citation(s) in RCA: 157] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Spectrometrically or optically encoded microsphere based suspension array technology (SAT) is applicable to the high-throughput, simultaneous detection of multiple analytes within a small, single sample volume. Thanks to the rapid development of nanotechnology, tremendous progress has been made in the multiplexed detecting capability, sensitivity, and photostability of suspension arrays. In this review, we first focus on the current stock of nanoparticle-based barcodes as well as the manufacturing technologies required for their production. We then move on to discuss all existing barcode-based bioanalysis patterns, including the various labels used in suspension arrays, label-free platforms, signal amplification methods, and fluorescence resonance energy transfer (FRET)-based platforms. We then introduce automatic platforms for suspension arrays that use superparamagnetic nanoparticle-based microspheres. Finally, we summarize the current challenges and their proposed solutions, which are centered on improving encoding capacities, alternative probe possibilities, nonspecificity suppression, directional immobilization, and "point of care" platforms. Throughout this review, we aim to provide a comprehensive guide for the design of suspension arrays, with the goal of improving their performance in areas such as multiplexing capacity, throughput, sensitivity, and cost effectiveness. We hope that our summary on the state-of-the-art development of these arrays, our commentary on future challenges, and some proposed avenues for further advances will help drive the development of suspension array technology and its related fields.
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Affiliation(s)
- Yuankui Leng
- The State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
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20
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Kast RE, Tucker SC, Killian K, Trexler M, Honn KV, Auner GW. Emerging technology: applications of Raman spectroscopy for prostate cancer. Cancer Metastasis Rev 2015; 33:673-93. [PMID: 24510129 DOI: 10.1007/s10555-013-9489-6] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
There is a need in prostate cancer diagnostics and research for a label-free imaging methodology that is nondestructive, rapid, objective, and uninfluenced by water. Raman spectroscopy provides a molecular signature, which can be scaled from micron-level regions of interest in cells to macroscopic areas of tissue. It can be used for applications ranging from in vivo or in vitro diagnostics to basic science laboratory testing. This work describes the fundamentals of Raman spectroscopy and complementary techniques including surface enhanced Raman scattering, resonance Raman spectroscopy, coherent anti-Stokes Raman spectroscopy, confocal Raman spectroscopy, stimulated Raman scattering, and spatially offset Raman spectroscopy. Clinical applications of Raman spectroscopy to prostate cancer will be discussed, including screening, biopsy, margin assessment, and monitoring of treatment efficacy. Laboratory applications including cell identification, culture monitoring, therapeutics development, and live imaging of cellular processes are discussed. Potential future avenues of research are described, with emphasis on multiplexing Raman spectroscopy with other modalities.
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Affiliation(s)
- Rachel E Kast
- Smart Sensors and Integrated Microsystems Laboratories, Department of Electrical and Computer Engineering, Wayne State University, 5050 Anthony Wayne Drive, Room 3100, Detroit, MI, 48202, USA
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21
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Kudr J, Nejdl L, Skalickova S, Zurek M, Milosavljevic V, Kensova R, Ruttkay-Nedecky B, Kopel P, Hynek D, Novotna M, Adam V, Kizek R. Use of nucleic acids anchor system to reveal apoferritin modification by cadmium telluride nanoparticles. J Mater Chem B 2015; 3:2109-2118. [DOI: 10.1039/c4tb01336k] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The aim of this study was to synthesize cadmium telluride nanoparticles (CdTe NPs) modified apoferritin, and examine if apoferritin is able to accommodate CdTe NPs.
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Affiliation(s)
- Jiri Kudr
- Department of Chemistry and Biochemistry
- Faculty of Agronomy
- Mendel University in Brno
- CZ-613 00 Brno
- Czech Republic, European Union
| | - Lukas Nejdl
- Department of Chemistry and Biochemistry
- Faculty of Agronomy
- Mendel University in Brno
- CZ-613 00 Brno
- Czech Republic, European Union
| | - Sylvie Skalickova
- Department of Chemistry and Biochemistry
- Faculty of Agronomy
- Mendel University in Brno
- CZ-613 00 Brno
- Czech Republic, European Union
| | - Michal Zurek
- Central European Institute of Technology
- Brno University of Technology
- CZ-616 00 Brno
- Czech Republic, European Union
| | - Vedran Milosavljevic
- Department of Chemistry and Biochemistry
- Faculty of Agronomy
- Mendel University in Brno
- CZ-613 00 Brno
- Czech Republic, European Union
| | - Renata Kensova
- Department of Chemistry and Biochemistry
- Faculty of Agronomy
- Mendel University in Brno
- CZ-613 00 Brno
- Czech Republic, European Union
| | - Branislav Ruttkay-Nedecky
- Department of Chemistry and Biochemistry
- Faculty of Agronomy
- Mendel University in Brno
- CZ-613 00 Brno
- Czech Republic, European Union
| | - Pavel Kopel
- Department of Chemistry and Biochemistry
- Faculty of Agronomy
- Mendel University in Brno
- CZ-613 00 Brno
- Czech Republic, European Union
| | - David Hynek
- Department of Chemistry and Biochemistry
- Faculty of Agronomy
- Mendel University in Brno
- CZ-613 00 Brno
- Czech Republic, European Union
| | - Marie Novotna
- Department of Chemistry and Biochemistry
- Faculty of Agronomy
- Mendel University in Brno
- CZ-613 00 Brno
- Czech Republic, European Union
| | - Vojtech Adam
- Department of Chemistry and Biochemistry
- Faculty of Agronomy
- Mendel University in Brno
- CZ-613 00 Brno
- Czech Republic, European Union
| | - Rene Kizek
- Department of Chemistry and Biochemistry
- Faculty of Agronomy
- Mendel University in Brno
- CZ-613 00 Brno
- Czech Republic, European Union
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Frank AJ, McEneny-King A, Cathcart N, Kitaev V. Homogeneously magnetically concentrated silver nanoparticles for uniform “hot spots” in surface enhanced Raman spectroscopy. RSC Adv 2015. [DOI: 10.1039/c5ra11660k] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Same-charge maghemite NPs act as a hydrodynamic net to concentrate SERS active AgJ13NPs, enabling uniform “hot spots” and reproducible Raman detection of low analyte concentrations.
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Affiliation(s)
- Andrew J. Frank
- Department of Chemistry and Biochemistry
- Wilfrid Laurier University
- Waterloo
- Canada
| | - Alanna McEneny-King
- Department of Chemistry and Biochemistry
- Wilfrid Laurier University
- Waterloo
- Canada
| | - Nicole Cathcart
- Department of Chemistry and Biochemistry
- Wilfrid Laurier University
- Waterloo
- Canada
| | - Vladimir Kitaev
- Department of Chemistry and Biochemistry
- Wilfrid Laurier University
- Waterloo
- Canada
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23
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Lei J, Lei C, Wang T, Yang Z, Zhou Y. Investigation of targeted biomolecules in a micro-fluxgate-based bio-sensing system. Biomed Microdevices 2014; 16:237-43. [PMID: 24292779 DOI: 10.1007/s10544-013-9827-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
An investigation of targeted biomolecules was accomplished by combining a micro-fluxgate-based bio-sensing system and Dynabeads. The fluxgate sensor for biomolecule detection was fabricated by Micro Electro-Mechanical system technology, including thick photoresist lithography, electroplating and chemical wet etching. The magnetic core of the sensor was made of Fe-based amorphous ribbon core and three dimension solenoid coils were used as magnetic sensitive elements. The micro-fluxgate-based bio-sensing system was characterized firstly in different concentrations of Dynabeads, and a concentration as low as 100 ng/ml was detected with an external dc magnetic field in the range of 525 μT to 875 μT. Sandwich assays are performed using antibody-antigen pair combination of biotin-streptavidin on a separated Au film substrate surface with a self-assembled layer. Detection of Alpha Fetoprotein antigens with different concentrations was performed and a minimum detectable concentration of 1 pg/ml was achieved by the bio-sensing system. It is of considerable interest due to its potential application in the biomedical field based on known specific binding of target and labels.
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Affiliation(s)
- Jian Lei
- Key Laboratory for Thin Film and Microfabrication of the Ministry of Education, Research Institute of Micro/Nano Science and Technology, Shanghai Jiao Tong University, Dongchuan Road 800, Shanghai, 200240, China
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24
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Wierucka M, Biziuk M. Application of magnetic nanoparticles for magnetic solid-phase extraction in preparing biological, environmental and food samples. Trends Analyt Chem 2014. [DOI: 10.1016/j.trac.2014.04.007] [Citation(s) in RCA: 324] [Impact Index Per Article: 32.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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25
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Kang H, Yang JK, Noh MS, Jo A, Jeong S, Lee M, Lee S, Chang H, Lee H, Jeon SJ, Kim HI, Cho MH, Lee HY, Kim JH, Jeong DH, Lee YS. One-step synthesis of silver nanoshells with bumps for highly sensitive near-IR SERS nanoprobes. J Mater Chem B 2014; 2:4415-4421. [PMID: 32261541 DOI: 10.1039/c4tb00442f] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
A seedless, one-step synthetic route to uniform bumpy silver nanoshells (AgNSs) as highly NIR sensitive SERS substrates is reported. These substrates can incorporate Raman label compounds and biocompatible polymers on their surface. AgNS based NIR-SERS probes are successfully applied to cell tracking in a live animal using a portable Raman system.
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Affiliation(s)
- Homan Kang
- Interdisciplinary Program in Nano-Science and Technology, Seoul National University, Seoul, 151-742, Republic of Korea.
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26
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Zhang X, Zhu Y, Yang X, Zhou Y, Yao Y, Li C. Multifunctional Fe3O4@TiO2@Au magnetic microspheres as recyclable substrates for surface-enhanced Raman scattering. NANOSCALE 2014; 6:5971-5979. [PMID: 24777634 DOI: 10.1039/c4nr00975d] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Herein, we demonstrate the design and fabrication of multifunctional triplex Fe3O4@TiO2@Au core-shell magnetic microspheres (MSs), which show excellent surface enhanced Raman scattering (SERS) activity with high reproducibility and stability. In addition, due to their excellent catalytic properties, the as-prepared Fe3O4@TiO2@Au magnetic MSs can clean themselves by photocatalytic degradation of target molecules adsorbed onto the substrate under irradiation with visible light, and can be re-used for several cycles with convenient magnetic separability. The influence of the size and distribution of Au nanoparticles (NPs) on the Fe3O4@TiO2 beads is investigated. The optimized samples employing Au NPs of 15 nm size and an areal density of about 2120 Au NPs on every MS show the best SERS activity and recyclable performance. The experimental results show that these magnetic MSs indicate a new route in eliminating the 'single-use' problem of traditional SERS substrates and exhibit their applicability as analytical tools for the detection of different molecular species.
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Affiliation(s)
- Xiaoqing Zhang
- Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China.
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27
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Ranc V, Markova Z, Hajduch M, Prucek R, Kvitek L, Kaslik J, Safarova K, Zboril R. Magnetically Assisted Surface-Enhanced Raman Scattering Selective Determination of Dopamine in an Artificial Cerebrospinal Fluid and a Mouse Striatum Using Fe3O4/Ag Nanocomposite. Anal Chem 2014; 86:2939-46. [DOI: 10.1021/ac500394g] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Affiliation(s)
- Vaclav Ranc
- Regional Center
of Advanced Technologies and Materials, Department of
Physical Chemistry, Faculty of Science, Palacky University Olomouc, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic
| | - Zdenka Markova
- Regional Center
of Advanced Technologies and Materials, Department of
Physical Chemistry, Faculty of Science, Palacky University Olomouc, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic
| | - Marian Hajduch
- Institute of
Molecular and Translational Medicine, Faculty of Medicine and Dentistry, Palacky University Olomouc, Hněvotínská 5, 779 00 Olomouc, Czech Republic
| | - Robert Prucek
- Regional Center
of Advanced Technologies and Materials, Department of
Physical Chemistry, Faculty of Science, Palacky University Olomouc, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic
| | - Libor Kvitek
- Regional Center
of Advanced Technologies and Materials, Department of
Physical Chemistry, Faculty of Science, Palacky University Olomouc, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic
| | - Josef Kaslik
- Regional Center
of Advanced Technologies and Materials, Department of
Physical Chemistry, Faculty of Science, Palacky University Olomouc, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic
| | - Klara Safarova
- Regional Center
of Advanced Technologies and Materials, Department of
Physical Chemistry, Faculty of Science, Palacky University Olomouc, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic
| | - Radek Zboril
- Regional Center
of Advanced Technologies and Materials, Department of
Physical Chemistry, Faculty of Science, Palacky University Olomouc, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic
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28
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Chrimes AF, Khoshmanesh K, Stoddart PR, Mitchell A, Kalantar-Zadeh K. Microfluidics and Raman microscopy: current applications and future challenges. Chem Soc Rev 2014; 42:5880-906. [PMID: 23624774 DOI: 10.1039/c3cs35515b] [Citation(s) in RCA: 122] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Raman microscopy systems are becoming increasingly widespread and accessible for characterising chemical species. Microfluidic systems are also progressively finding their way into real world applications. Therefore, it is anticipated that the integration of Raman systems with microfluidics will become increasingly attractive and practical. This review aims to provide an overview of Raman microscopy-microfluidics integrated systems for researchers who are actively interested in utilising these tools. The fundamental principles and application strengths of Raman microscopy are discussed in the context of microfluidics. Various configurations of microfluidics that incorporate Raman microscopy methods are presented, with applications highlighted. Data analysis methods are discussed, with a focus on assisting the interpretation of Raman-microfluidics data from complex samples. Finally, possible future directions of Raman-microfluidic systems are presented.
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Affiliation(s)
- Adam F Chrimes
- School of Electrical and Computer Engineering, RMIT University, 124 LaTrobe St, Melbourne, Australia.
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29
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Rahman ZU, Ma Y, Hu J, Xu Y, Wang W, Chen X. Preparation and characterization of magnetic gold shells using different sizes of gold nanoseeds and their corresponding effects on catalysis. RSC Adv 2014. [DOI: 10.1039/c3ra44434a] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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30
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Affiliation(s)
- Yunqing Wang
- Key Laboratory of Coastal Zone
Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
| | - Bing Yan
- School of Chemistry and Chemical
Engineering, Shandong University, Jinan
250100, China
| | - Lingxin Chen
- Key Laboratory of Coastal Zone
Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
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31
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Shi JQ, Cheng J, Wang FY, Flamm A, Wang ZY, Yang X, Gao SX. Acute toxicity and n-octanol/water partition coefficients of substituted thiophenols: determination and QSAR analysis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2012; 78:134-141. [PMID: 22154146 DOI: 10.1016/j.ecoenv.2011.11.024] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2011] [Revised: 11/08/2011] [Accepted: 11/16/2011] [Indexed: 05/31/2023]
Abstract
The acute toxicity (-log EC(50)) to Photobacterium phosphoreum and the n-octanol/water partition coefficient (log K(ow)) of 31 kinds of substituted thiophenols were determined at 298.15K. The -log EC(50) values of studied chemicals are between 4.26 and 5.89. Their log K(ow) values are between 1.34 and 4.02. Comparative molecular field (CoMFA) and comparative molecular similarity index analysis (CoMSIA) models established were successful in predicting -log EC(50) and log K(ow) values of halogenated, methylic, amino and methoxy thiophenols. The size of molecule is the main factor influencing the properties. No correlation was found between the properties and their structural and thermodynamic descriptors from DFT calculation.
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Affiliation(s)
- J-Q Shi
- State Key Laboratory of Pollution Control and Resources Reuse, School of the Environment, Nanjing University, Nanjing 210093, PR China
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32
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Jun BH, Kang H, Lee YS, Jeong DH. Fluorescence-based multiplex protein detection using optically encoded microbeads. Molecules 2012; 17:2474-90. [PMID: 22382526 PMCID: PMC6268487 DOI: 10.3390/molecules17032474] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2011] [Revised: 02/24/2012] [Accepted: 02/24/2012] [Indexed: 01/21/2023] Open
Abstract
Potential utilization of proteins for early detection and diagnosis of various diseases has drawn considerable interest in the development of protein-based multiplex detection techniques. Among the various techniques for high-throughput protein screening, optically-encoded beads combined with fluorescence-based target monitoring have great advantages over the planar array-based multiplexing assays. This review discusses recent developments of analytical methods of screening protein molecules on microbead-based platforms. These include various strategies such as barcoded microbeads, molecular beacon-based techniques, and surface-enhanced Raman scattering-based techniques. Their applications for label-free protein detection are also addressed. Especially, the optically-encoded beads such as multilayer fluorescence beads and SERS-encoded beads are successful for generating a large number of coding.
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Affiliation(s)
- Bong-Hyun Jun
- School of Chemical and Biological Engineering, Seoul National University, Seoul 151-747, Korea;
| | - Homan Kang
- Nano Systems Institute and Interdisciplinary Program in Nano-Science and Technology, Seoul National University, Seoul 151-747, Korea
| | - Yoon-Sik Lee
- School of Chemical and Biological Engineering, Seoul National University, Seoul 151-747, Korea;
- Nano Systems Institute and Interdisciplinary Program in Nano-Science and Technology, Seoul National University, Seoul 151-747, Korea
| | - Dae Hong Jeong
- Nano Systems Institute and Interdisciplinary Program in Nano-Science and Technology, Seoul National University, Seoul 151-747, Korea
- Department of Chemistry Education, Seoul National University, Seoul 151-747, Korea
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33
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Chen L, Hong W, Guo Z, Sa Y, Wang X, Jung YM, Zhao B. Magnetic assistance highly sensitive protein assay based on surface-enhanced resonance Raman scattering. J Colloid Interface Sci 2012; 368:282-6. [DOI: 10.1016/j.jcis.2011.10.069] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2011] [Revised: 10/26/2011] [Accepted: 10/28/2011] [Indexed: 11/26/2022]
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34
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Jun BH, Kim G, Noh MS, Kang H, Kim YK, Cho MH, Jeong DH, Lee YS. Surface-enhanced Raman scattering-active nanostructures and strategies for bioassays. Nanomedicine (Lond) 2011; 6:1463-80. [DOI: 10.2217/nnm.11.123] [Citation(s) in RCA: 111] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Surface-enhanced Raman scattering (SERS) techniques offer a number of advantages in molecular detection and analysis, particularly in terms of the multiplex detection of biomolecules. So far, many new SERS-based substrates and analytical techniques have been reported. For easy understanding, various SERS techniques are classified into the following four categories: adsorption-mediated direct detection; antibody- or ligand-mediated direct detection; binding catalyzed indirect detection; and tag-based indirect detection. Among these, recent successes of SERS tagging/encoding (nano/micro) materials and detection methods are highlighted, including our recent works. Some novel SERS-based strategies for the detection of several biological molecules are also introduced.
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Affiliation(s)
- Bong-Hyun Jun
- School of Electrical Engineering & Computer Science, Seoul National University, Seoul, 151-742, Republic of Korea
| | - Gunsung Kim
- Department of Chemistry Education, Seoul National University, Seoul, 151-742, Republic of Korea
| | - Mi Suk Noh
- Department of Nano Science & Technology, Graduate School of Convergence Science & Technology, Laboratory of Toxicology, College of Veterinary Medicine, Seoul National University, Seoul, 151-742, Republic of Korea
| | - Homan Kang
- Nano Systems Institute & Interdisciplinary Program in Nano-Science & Technology, Seoul National University, Seoul, 151-742, Republic of Korea
| | - Yong-Kweon Kim
- School of Electrical Engineering & Computer Science, Seoul National University, Seoul, 151-742, Republic of Korea
| | - Myung-Haing Cho
- Department of Nano Science & Technology, Graduate School of Convergence Science & Technology, Laboratory of Toxicology, College of Veterinary Medicine, Seoul National University, Seoul, 151-742, Republic of Korea
| | - Dae Hong Jeong
- Department of Chemistry Education, Seoul National University, Seoul, 151-742, Republic of Korea
- Nano Systems Institute & Interdisciplinary Program in Nano-Science & Technology, Seoul National University, Seoul, 151-742, Republic of Korea
| | - Yoon-Sik Lee
- School of Chemical & Biological Engineering, Seoul National University, Seoul, 151-742, Republic of Korea
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35
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Chen Y, Qian H, Wu F, Zhou J. Clearance and recovery of Cd(II) from aqueous solution by magnetic separation technology. CHEMOSPHERE 2011; 83:1214-1219. [PMID: 21489601 DOI: 10.1016/j.chemosphere.2011.03.043] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2010] [Revised: 03/20/2011] [Accepted: 03/22/2011] [Indexed: 05/30/2023]
Abstract
An effective method to actualize the recycling use of Cd(II) in industrial wastewater was developed by using the magnetic beads, which was modified with ethylenediamine. When the industrial wastewater was treated with these magnetic beads, the Cd(II) concentration in the solution was sharply reduced to the governmental standard (0.1μgmL(-1)) of China. Based on the monolayer adsorption of Cd(II) on the surface of these magnetic beads, the saturation capacity for Cd(II) reached to 68mgg(-1) dried magnetic beads. On the other hand, the binding Cd(II) could be easily recovered in acid conditions and the recovery efficiency exceeded 99%. Thus, in the process of the wastewater purification, the recycling utilization of Cd(II) was realized. Additionally, the excellent capability of regeneration and recycling utilization of these magnetic beads made this technology much suitable for the large-scale application. Compared with the conventional purification methods, the rapid process, simple equipments, easy operation and high efficiency, brought this technology with great potentialities in the treatment of industrial wastewater.
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Affiliation(s)
- Yongle Chen
- College of Materials Science and Engineering, HuaQiao University, XiaMen 361021, Fujian, China
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36
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Jun BH, Kim G, Baek J, Kang H, Kim T, Hyeon T, Jeong DH, Lee YS. Magnetic field induced aggregation of nanoparticles for sensitive molecular detection. Phys Chem Chem Phys 2011; 13:7298-303. [PMID: 21234502 DOI: 10.1039/c0cp02055a] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A molecular detection method utilizing the magnetically induced aggregation of silver nanoparticle (NP)-embedded silica NPs for SERS activation is described. Here, silver embedded magnetic NPs (Ag-M-dots) composed of a magnetic core and silica shells, on whose surface silver NPs were formed, were used. Because the magnetic field induced aggregated Ag-M-dots exhibit a strong SERS signal compared to the dispersed Ag-M-dots, the system allows for the detection of adsorbed Raman label compound even at the 100 fM level. Adenine was tested as a model biocompound and its Raman spectrum could be observed at concentrations as low as 1 pM. The experimental results were supported by the theoretical calculations.
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Affiliation(s)
- Bong-Hyun Jun
- School of Chemical and Biological Engineering, Seoul National University, Seoul, 151-747, Korea
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37
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Anema JR, Li JF, Yang ZL, Ren B, Tian ZQ. Shell-isolated nanoparticle-enhanced Raman spectroscopy: expanding the versatility of surface-enhanced Raman scattering. ANNUAL REVIEW OF ANALYTICAL CHEMISTRY (PALO ALTO, CALIF.) 2011; 4:129-150. [PMID: 21370987 DOI: 10.1146/annurev.anchem.111808.073632] [Citation(s) in RCA: 105] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Surface-enhanced Raman scattering (SERS) is a powerful technique for detection and characterization because of its extremely high sensitivity and the rich structural information that it can offer. However, most SERS substrates are composed of Au, Ag, or Cu, and a lack of substrate generality has greatly limited the breadth of the use of SERS. Recently, we have devised a method by which SERS can be obtained from virtually any surface. Au nanoparticles are coated with ultrathin silica shells. The Au core provides Raman signal enhancement; the silica shell prevents the core from coming into direct contact with probe/analyte molecules or the surface over which these particles are spread (i.e., prevents the contamination of the chemical system under study). In the present review, we expand upon previous discussion of the enhancement mechanism; procedures for the synthesis and characterization of our nanoparticles; and applications in surface chemistry, electrochemistry, and inspection.
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Affiliation(s)
- Jason R Anema
- State Key Laboratory of Physical Chemistry of Solid Surfaces, Key Laboratory of Analytical Sciences and College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
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Xie W, Qiu P, Mao C. Bio-imaging, detection and analysis by using nanostructures as SERS substrates. ACTA ACUST UNITED AC 2011; 21:5190-5202. [PMID: 21625344 DOI: 10.1039/c0jm03301d] [Citation(s) in RCA: 74] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Surface-enhanced Raman scattering (SERS) is a phenomenon that occurs on nanoscale-roughed metallic surface. The magnitude of the Raman scattering signal can be greatly enhanced when the scatterer is placed in the very close vicinity of the surface, which enables this phenomenon to be a highly sensitive analytical technique. SERS inherits the general strongpoint of conventional Raman spectroscopy and overcomes the inherently small cross section problem of a Raman scattering. It is a sensitive and nondestructive spectroscopic method for biological samples, and can be exploited either for the delivery of molecular structural information or for the detection of trace levels of analytes. Therefore, SERS has long been regarded as a powerful tool in biomedical research. Metallic nanostructure plays a key role in all the biomedical applications of SERS because the enhanced Raman signal can only be obtained on the surface of a finely divided substrate. This review focuses on progress made in the use of SERS as an analytical technique in bio-imaging, analysis and detection. Recent progress in the fabrication of SERS active nanostructures is also highlighted.
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Affiliation(s)
- Wei Xie
- Department of Chemistry and Biochemistry, Stephenson Life Sciences Research Center, University of Oklahoma, 101 Stephenson Parkway, Norman, OK, 73019, USA
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39
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Jun BH, Baek J, Kang H, Park YJ, Jeong DH, Lee YS. Preparation of polydiacetylene immobilized optically encoded beads. J Colloid Interface Sci 2010; 355:29-34. [PMID: 21194704 DOI: 10.1016/j.jcis.2010.12.018] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2010] [Revised: 12/01/2010] [Accepted: 12/02/2010] [Indexed: 10/18/2022]
Abstract
Polydiacetylene (PDA), which can change the chromic and fluorescence properties by inducing environmental perturbations, is immobilized on planar solid supports for many biological applications. In this work, we immobilize PDA onto optically encoded spherical beads (PDA-SERS beads). The prepared PDA immobilized beads (36 μm) exhibit a blue color without fluorescence. By inducing stress, their color and fluorescence properties are changed to red with fluorescence. The SERS spectra of the PDA-SERS beads can be recognized over the PDA background. Moreover, our PDA immobilization methods are successfully applied to silica-surface SERS-encoded beads (5 μm) and proven to also be useful in fluorescence encoding systems.
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Affiliation(s)
- Bong-Hyun Jun
- School of Chemical and Biological Engineering, Seoul National University, Seoul 151-747, Republic of Korea
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40
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Magnetic solids in analytical chemistry: A review. Anal Chim Acta 2010; 674:157-65. [DOI: 10.1016/j.aca.2010.06.043] [Citation(s) in RCA: 346] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2010] [Revised: 06/24/2010] [Accepted: 06/25/2010] [Indexed: 12/21/2022]
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41
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Jun BH, Noh MS, Kim J, Kim G, Kang H, Kim MS, Seo YT, Baek J, Kim JH, Park J, Kim S, Kim YK, Hyeon T, Cho MH, Jeong DH, Lee YS. Multifunctional silver-embedded magnetic nanoparticles as SERS nanoprobes and their applications. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2010; 6:119-25. [PMID: 19904763 DOI: 10.1002/smll.200901459] [Citation(s) in RCA: 124] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
In this study, surface-enhanced Raman spectroscopy (SERS)-encoded magnetic nanoparticles (NPs) are prepared and utilized as a multifunctional tagging material for cancer-cell targeting and separation. First, silver-embedded magnetic NPs are prepared, composed of an 18-nm magnetic core and a 16-nm-thick silica shell with silver NPs formed on the surface. After simple aromatic compounds are adsorbed on the silver-embedded magnetic NPs, they are coated with silica to provide them with chemical and physical stability. The resulting silica-encapsulated magnetic NPs (M-SERS dots) produce strong SERS signals and have magnetic properties. In a model application as a tagging material, the M-SERS dots are successfully utilized for targeting breast-cancer cells (SKBR3) and floating leukemia cells (SP2/O). The targeted cancer cells can be easily separated from the untargeted cells using an external magnetic field. The separated targeted cancer cells exhibit a Raman signal originating from the M-SERS dots. This system proves to be an efficient tool for separating targeted cells. Additionally, the magnetic-field-induced hot spots, which can provide a 1000-times-stronger SERS intensity due to aggregation of the NPs, are studied.
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Affiliation(s)
- Bong-Hyun Jun
- School of Chemical and Biological Engineering, Seoul National University, Seoul 151-747, Republic of Korea
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