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Zhao Y, Hadavi D, Dijkgraaf I, Honing M. Coupling of surface plasmon resonance and mass spectrometry for molecular interaction studies in drug discovery. Drug Discov Today 2024; 29:104027. [PMID: 38762085 DOI: 10.1016/j.drudis.2024.104027] [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: 03/11/2024] [Revised: 05/01/2024] [Accepted: 05/13/2024] [Indexed: 05/20/2024]
Abstract
Various analytical technologies have been developed for the study of target-ligand interactions. The combination of these technologies gives pivotal information on the binding mechanism, kinetics, affinity, residence time, and changes in molecular structures. Mass spectrometry (MS) offers structural information, enabling the identification and quantification of target-ligand interactions. Surface plasmon resonance (SPR) provides kinetic information on target-ligand interaction in real time. The coupling of MS and SPR complements each other in the studies of target-ligand interactions. Over the last two decades, the capabilities and added values of SPR-MS have been reported. This review summarizes and highlights the benefits, applications, and potential for further research of the SPR-MS approach.
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Affiliation(s)
- Yuandi Zhao
- Maastricht Multimodal Molecular Imaging (M4i) Institute, Maastricht University, Maastricht, the Netherlands
| | - Darya Hadavi
- Maastricht Multimodal Molecular Imaging (M4i) Institute, Maastricht University, Maastricht, the Netherlands.
| | - Ingrid Dijkgraaf
- Department of Biochemistry, Cardiovascular Research Institute Maastricht (CARIM), Maastricht University, Maastricht, the Netherlands; Department of Radiology and Nuclear Medicine, MUMC+, The Netherlands
| | - Maarten Honing
- Maastricht Multimodal Molecular Imaging (M4i) Institute, Maastricht University, Maastricht, the Netherlands
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2
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Upadhyay V, Lucas A, Patrick C, Mallela KMG. Isothermal titration calorimetry and surface plasmon resonance methods to probe protein-protein interactions. Methods 2024; 225:52-61. [PMID: 38492901 DOI: 10.1016/j.ymeth.2024.03.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 03/11/2024] [Accepted: 03/14/2024] [Indexed: 03/18/2024] Open
Abstract
Isothermal titration calorimetry (ITC) and surface plasmon resonance (SPR) are two commonly used methods to probe biomolecular interactions. ITC can provide information about the binding affinity, stoichiometry, changes in Gibbs free energy, enthalpy, entropy, and heat capacity upon binding. SPR can provide information about the association and dissociation kinetics, binding affinity, and stoichiometry. Both methods can determine the nature of protein-protein interactions and help understand the physicochemical principles underlying complex biochemical pathways and communication networks. This methods article discusses the practical knowledge of how to set up and troubleshoot these two experiments with some examples.
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Affiliation(s)
- Vaibhav Upadhyay
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, United States
| | - Alexandra Lucas
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, United States
| | - Casey Patrick
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, United States
| | - Krishna M G Mallela
- Department of Pharmaceutical Sciences, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, United States.
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Khochare SD, Li X, Yang X, Shi Y, Feng G, Ruchhoeft P, Shih WC, Shan X. Functional Plasmonic Microscope: Characterizing the Metabolic Activity of Single Cells via Sub-nm Membrane Fluctuations. Anal Chem 2024; 96:5771-5780. [PMID: 38563229 DOI: 10.1021/acs.analchem.3c04301] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Metabolic abnormalities are at the center of many diseases, and the capability to film and quantify the metabolic activities of a single cell is important for understanding the heterogeneities in these abnormalities. In this paper, a functional plasmonic microscope (FPM) is used to image and measure metabolic activities without fluorescent labels at a single-cell level. The FPM can accurately image and quantify the subnanometer membrane fluctuations with a spatial resolution of 0.5 μm in real time. These active cell membrane fluctuations are caused by metabolic activities across the cell membrane. A three-dimensional (3D) morphology of the bottom cell membrane was imaged and reconstructed with FPM to illustrate the capability of the microscope for cell membrane characterization. Then, the subnanometer cell membrane fluctuations of single cells were imaged and quantified with the FPM using HeLa cells. Cell metabolic heterogeneity is analyzed based on membrane fluctuations of each individual cell that is exposed to similar environmental conditions. In addition, we demonstrated that the FPM could be used to evaluate the therapeutic responses of metabolic inhibitors (glycolysis pathway inhibitor STF 31) on a single-cell level. The result showed that the metabolic activities significantly decrease over time, but the nature of this response varies, depicting cell heterogeneity. A low-concentration dose showed a reduced fluctuation frequency with consistent fluctuation amplitudes, while the high-concentration dose showcased a decreasing trend in both cases. These results have demonstrated the capabilities of the functional plasmonic microscope to measure and quantify metabolic activities for drug discovery.
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Affiliation(s)
- Suraj D Khochare
- Advanced Imaging and Sensing Lab, Department of Electrical and Computer Engineering, University of Houston, Houston, Texas 77204, United States
| | - Xiaoliang Li
- Advanced Imaging and Sensing Lab, Department of Electrical and Computer Engineering, University of Houston, Houston, Texas 77204, United States
| | - Xu Yang
- Advanced Imaging and Sensing Lab, Department of Electrical and Computer Engineering, University of Houston, Houston, Texas 77204, United States
| | - Yaping Shi
- Advanced Imaging and Sensing Lab, Department of Electrical and Computer Engineering, University of Houston, Houston, Texas 77204, United States
| | - Guangxia Feng
- Advanced Imaging and Sensing Lab, Department of Electrical and Computer Engineering, University of Houston, Houston, Texas 77204, United States
| | - Paul Ruchhoeft
- Advanced Imaging and Sensing Lab, Department of Electrical and Computer Engineering, University of Houston, Houston, Texas 77204, United States
| | - Wei-Chuan Shih
- Advanced Imaging and Sensing Lab, Department of Electrical and Computer Engineering, University of Houston, Houston, Texas 77204, United States
| | - Xiaonan Shan
- Advanced Imaging and Sensing Lab, Department of Electrical and Computer Engineering, University of Houston, Houston, Texas 77204, United States
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Bajaj A, Abutoama M, Isaacs S, Abuleil MJ, Yaniv K, Kushmaro A, Modic M, Cvelbar U, Abdulhalim I. Biofilm growth monitoring using guided wave ultralong-range Surface Plasmon Resonance: A proof of concept. Biosens Bioelectron 2023; 228:115204. [PMID: 36913883 DOI: 10.1016/j.bios.2023.115204] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 03/01/2023] [Accepted: 03/05/2023] [Indexed: 03/15/2023]
Abstract
Unwelcomed biofilms are problematic in food industries, surgical devices, marine applications, and wastewater treatment plants, essentially everywhere where there is moisture. Very recently, label-free advanced sensors such as localized and extended surface plasmon resonance (SPR) have been explored as tools for monitoring biofilm formation. However, conventional noble metal SPR substrates suffer from low penetration depth (100-300 nm) into the dielectric medium above the surface, preventing the reliable detection of large entities of single or multi-layered cell assemblies like biofilms which can grow up to a few micrometers or more. In this study, we propose using a plasmonic insulator-metal-insulator (IMI) structure (SiO2-Ag-SiO2) with a higher penetration depth based on a diverging beam single wavelength format of Kretschmann configuration in a portable SPR device. An SPR line detection algorithm for locating the reflectance minimum of the device helps to view changes in refractive index and accumulation of the biofilm in real-time down to 10-7 RIU precision. The optimized IMI structure exhibits strong penetration dependence on wavelength and incidence angle. Within the plasmonic resonance, different angles penetrate different depths, showing a maximum near the critical angle. At the wavelength of 635 nm, a high penetration depth of more than 4 μm was obtained. Compared to a thin gold film substrate, for which the penetration depth is only ∼200 nm, the IMI substrate provides more reliable results. The average thickness of the biofilm after 24 h of growth was found to be between 6 and 7 μm with ∼63% live cell volume, as estimated from confocal microscopic images using an image processing tool. To explain this saturation thickness, a graded index biofilm structure is proposed in which the refractive index decreases with the distance from the interface. Furthermore, when plasma-assisted degeneration of biofilms was studied in a semi-real-time format, there was almost no effect on the IMI substrate compared to the gold substrate. The growth rate over the SiO2 surface was higher than on gold, possibly due to differences between surface charge effects. On the gold, the excited plasmon generates an oscillating cloud of electrons, while for the SiO2 case, this does not happen. This methodology can be utilized to detect and characterize biofilms with better signal reliability with respect to concentration and size dependence.
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Affiliation(s)
- Aabha Bajaj
- Ilse Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev, Beer-Sheva, 84105, Israel
| | - Mohammad Abutoama
- Department of Electro-optics and Photonics Engineering, ECE School, Ben-Gurion University of the Negev, Beer-Sheva, 84105, Israel
| | - Sivan Isaacs
- Department of Electro-optics and Photonics Engineering, ECE School, Ben-Gurion University of the Negev, Beer-Sheva, 84105, Israel
| | - Marwan J Abuleil
- Department of Electro-optics and Photonics Engineering, ECE School, Ben-Gurion University of the Negev, Beer-Sheva, 84105, Israel
| | - Karin Yaniv
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Faculty of Engineering Sciences, Ben-Gurion University of the Negev, Beer-Sheva, 84105, Israel
| | - Ariel Kushmaro
- Ilse Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev, Beer-Sheva, 84105, Israel; Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Faculty of Engineering Sciences, Ben-Gurion University of the Negev, Beer-Sheva, 84105, Israel; School of Sustainability and Climate Change, Ben-Gurion University of the Negev, Beer-Sheva, 84105, Israel
| | - Martina Modic
- Department of Gaseous Electronics (F6), Jožef Stefan Institute, Jamova cesta 39, SI-1000, Ljubljana, Slovenia
| | - Uroš Cvelbar
- Department of Gaseous Electronics (F6), Jožef Stefan Institute, Jamova cesta 39, SI-1000, Ljubljana, Slovenia
| | - Ibrahim Abdulhalim
- Ilse Katz Institute for Nanoscale Science and Technology, Ben-Gurion University of the Negev, Beer-Sheva, 84105, Israel; Department of Electro-optics and Photonics Engineering, ECE School, Ben-Gurion University of the Negev, Beer-Sheva, 84105, Israel.
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Khadir Z, Schmidt V, Chabot K, Bryche JF, Froehlich U, Moreau J, Canva M, Charette P, Grandbois M. Surface micropatterning for the formation of an in vitro functional endothelial model for cell-based biosensors. Biosens Bioelectron 2022; 214:114481. [DOI: 10.1016/j.bios.2022.114481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 06/01/2022] [Accepted: 06/10/2022] [Indexed: 11/02/2022]
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Climate-Resilient Microbial Biotechnology: A Perspective on Sustainable Agriculture. SUSTAINABILITY 2022. [DOI: 10.3390/su14095574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
We designed this review to describe a compilation of studies to enlighten the concepts of plant–microbe interactions, adopted protocols in smart crop farming, and biodiversity to reaffirm sustainable agriculture. The ever-increasing use of agrochemicals to boost crop production has created health hazards to humans and the environment. Microbes can bring up the hidden strength of plants, augmenting disease resistance and yield, hereafter, crops could be grown without chemicals by harnessing microbes that live in/on plants and soil. This review summarizes an understanding of the functions and importance of indigenous microbial communities; host–microbial and microbial–microbial interactions; simplified experimentally controlled synthetic flora used to perform targeted operations; maintaining the molecular mechanisms; and microbial agent application technology. It also analyzes existing problems and forecasts prospects. The real advancement of microbiome engineering requires a large number of cycles to obtain the necessary ecological principles, precise manipulation of the microbiome, and predictable results. To advance this approach, interdisciplinary collaboration in the areas of experimentation, computation, automation, and applications is required. The road to microbiome engineering seems to be long; however, research and biotechnology provide a promising approach for proceeding with microbial engineering and address persistent social and environmental issues.
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Genova-Kalou P, Dyankov G, Marinov R, Mankov V, Belina E, Kisov H, Strijkova-Kenderova V, Kantardjiev T. SPR-Based Kinetic Analysis of the Early Stages of Infection in Cells Infected with Human Coronavirus and Treated with Hydroxychloroquine. BIOSENSORS-BASEL 2021; 11:bios11080251. [PMID: 34436052 PMCID: PMC8392451 DOI: 10.3390/bios11080251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 07/12/2021] [Accepted: 07/21/2021] [Indexed: 11/27/2022]
Abstract
Cell-based assays are a valuable tool for examination of virus–host cell interactions and drug discovery processes, allowing for a more physiological setting compared to biochemical assays. Despite the fact that cell-based SPR assays are label-free and thus provide all the associated benefits, they have never been used to study viral growth kinetics and to predict drug antiviral response in cells. In this study, we prove the concept that the cell-based SPR assay can be applied in the kinetic analysis of the early stages of viral infection of cells and the antiviral drug activity in the infected cells. For this purpose, cells immobilized on the SPR slides were infected with human coronavirus HCov-229E and treated with hydroxychloroquine. The SPR response was measured at different time intervals within the early stages of infection. Methyl Thiazolyl Tetrazolium (MTT) assay was used to provide the reference data. We found that the results of the SPR and MTT assays were consistent, and SPR is a reliable tool in investigating virus–host cell interaction and the mechanism of action of viral inhibitors. SPR assay was more sensitive and accurate in the first hours of infection within the first replication cycle, whereas the MTT assay was not so effective. After the second replication cycle, noise was generated by the destruction of the cell layer and by the remnants of dead cells, and masks useful SPR signals.
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Affiliation(s)
- Petia Genova-Kalou
- National Center of Infectious and Parasitic Diseases, 44A “Gen. Stoletov” Blvd., 1233 Sofia, Bulgaria; (P.G.-K.); (R.M.); (T.K.)
| | - Georgi Dyankov
- Institute of Optical Materials and Technologies “Acad. J. Malinowski” (IOMT), Bulgarian Academy of Sciences (BAS), 109 “Acad. G. Bonchev” Str., 1113 Sofia, Bulgaria; (V.M.); (E.B.); (H.K.); (V.S.-K.)
- Correspondence: ; Tel.: +359-897-771-945
| | - Radoslav Marinov
- National Center of Infectious and Parasitic Diseases, 44A “Gen. Stoletov” Blvd., 1233 Sofia, Bulgaria; (P.G.-K.); (R.M.); (T.K.)
| | - Vihar Mankov
- Institute of Optical Materials and Technologies “Acad. J. Malinowski” (IOMT), Bulgarian Academy of Sciences (BAS), 109 “Acad. G. Bonchev” Str., 1113 Sofia, Bulgaria; (V.M.); (E.B.); (H.K.); (V.S.-K.)
| | - Evdokiya Belina
- Institute of Optical Materials and Technologies “Acad. J. Malinowski” (IOMT), Bulgarian Academy of Sciences (BAS), 109 “Acad. G. Bonchev” Str., 1113 Sofia, Bulgaria; (V.M.); (E.B.); (H.K.); (V.S.-K.)
| | - Hristo Kisov
- Institute of Optical Materials and Technologies “Acad. J. Malinowski” (IOMT), Bulgarian Academy of Sciences (BAS), 109 “Acad. G. Bonchev” Str., 1113 Sofia, Bulgaria; (V.M.); (E.B.); (H.K.); (V.S.-K.)
| | - Velichka Strijkova-Kenderova
- Institute of Optical Materials and Technologies “Acad. J. Malinowski” (IOMT), Bulgarian Academy of Sciences (BAS), 109 “Acad. G. Bonchev” Str., 1113 Sofia, Bulgaria; (V.M.); (E.B.); (H.K.); (V.S.-K.)
| | - Todor Kantardjiev
- National Center of Infectious and Parasitic Diseases, 44A “Gen. Stoletov” Blvd., 1233 Sofia, Bulgaria; (P.G.-K.); (R.M.); (T.K.)
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Drug-Based Gold Nanoparticles Overgrowth for Enhanced SPR Biosensing of Doxycycline. BIOSENSORS-BASEL 2020; 10:bios10110184. [PMID: 33228248 PMCID: PMC7699512 DOI: 10.3390/bios10110184] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Revised: 11/13/2020] [Accepted: 11/18/2020] [Indexed: 12/11/2022]
Abstract
In clinical chemistry, frequent monitoring of drug levels in patients has gained considerable importance because of the benefits of drug monitoring on human health, such as the avoidance of high risk of over dosage or increased therapeutic efficacy. In this work, we demonstrate that the drug doxycycline can act as an Au nanoparticle (doxy-AuNP) growth and capping agent to enhance the response of a surface plasmon resonance (SPR) biosensor for this drug. SPR analysis revealed the high sensitivity of doxy-AuNPs towards the detection of free doxycycline. More specifically, doxy-AuNPs bound with protease-activated receptor-1 (PAR-1) immobilized on the SPR sensing surface yield the response in SPR, which was enhanced following the addition of free doxy (analyte) to the solution of doxy-AuNPs. This biosensor allowed for doxycycline detection at concentrations as low as 7 pM. The study also examined the role of colloidal stability and growth of doxy-AuNPs in relation to the response-enhancement strategy based on doxy-AuNPs. Thus, the doxy-AuNPs-based SPR biosensor is an excellent platform for the detection of doxycycline and demonstrates a new biosensing scheme where the analyte can provide enhancement.
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Zhou XL, Yang Y, Wang S, Liu XW. Surface Plasmon Resonance Microscopy: From Single-Molecule Sensing to Single-Cell Imaging. Angew Chem Int Ed Engl 2020; 59:1776-1785. [PMID: 31531917 PMCID: PMC7020607 DOI: 10.1002/anie.201908806] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 08/30/2019] [Indexed: 12/20/2022]
Abstract
Surface plasmon resonance microscopy (SPRM) is a versatile platform for chemical and biological sensing and imaging. Great progress in exploring its applications, ranging from single-molecule sensing to single-cell imaging, has been made. In this Minireview, we introduce the principles and instrumentation of SPRM. We also summarize the broad and exciting applications of SPRM to the analysis of single entities. Finally, we discuss the challenges and limitations associated with SPRM and potential solutions.
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Affiliation(s)
- Xiao-Li Zhou
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Applied Chemistry, University of Science & Technology of China, Hefei, 230026, China
| | - Yunze Yang
- Center for Biosensors and Bioelectronics, Biodesign Institute, Arizona State University, Tempe, AZ, 85287, USA
| | - Shaopeng Wang
- Center for Biosensors and Bioelectronics, Biodesign Institute, Arizona State University, Tempe, AZ, 85287, USA
| | - Xian-Wei Liu
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Applied Chemistry, University of Science & Technology of China, Hefei, 230026, China
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Zhou X, Yang Y, Wang S, Liu X. Surface Plasmon Resonance Microscopy: From Single‐Molecule Sensing to Single‐Cell Imaging. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201908806] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Xiao‐Li Zhou
- CAS Key Laboratory of Urban Pollutant ConversionDepartment of Applied ChemistryUniversity of Science & Technology of China Hefei 230026 China
| | - Yunze Yang
- Center for Biosensors and Bioelectronics, Biodesign InstituteArizona State University Tempe AZ 85287 USA
| | - Shaopeng Wang
- Center for Biosensors and Bioelectronics, Biodesign InstituteArizona State University Tempe AZ 85287 USA
| | - Xian‐Wei Liu
- CAS Key Laboratory of Urban Pollutant ConversionDepartment of Applied ChemistryUniversity of Science & Technology of China Hefei 230026 China
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Zeng Y, Zhou J, Wang X, Cai Z, Shao Y. Wavelength-scanning surface plasmon resonance microscopy: A novel tool for real time sensing of cell-substrate interactions. Biosens Bioelectron 2019; 145:111717. [PMID: 31561092 DOI: 10.1016/j.bios.2019.111717] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 09/05/2019] [Accepted: 09/18/2019] [Indexed: 01/12/2023]
Abstract
This paper, for the first time, presents a wavelength-scanning surface plasmon resonance microscope (WS-SPRM) as a label-free biosensor capable of measuring cell-substrate interaction. The approach utilized a liquid crystal tunable filter (LCTF) as a fast and flexible wavelength-scanning device that can implement a wavelength-scanning and SPR imaging cycle within 1 s. The system was verified by monitoring the dynamics of cellular processes including cell detachment and electroporation of individual cells. It was found that the WS-SPRM presented better performance than the intensity-based SPRM (I-SPRM) in the imaging of cell adhesion. The results also indicated that the WS-SPRM exhibited a larger dynamic range in monitoring cell electroporation than that of I-SPRM. In summary, the developed WS-SPRM in this study provides a promising technique for real-time monitoring of cell-substrate interaction.
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Affiliation(s)
- Youjun Zeng
- College of Physics and Optoelectronics Engineering, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen Key Laboratory of Sensor Technology, Shenzhen University, Shenzhen, 518060, China
| | - Jie Zhou
- College of Physics and Optoelectronics Engineering, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen Key Laboratory of Sensor Technology, Shenzhen University, Shenzhen, 518060, China
| | - Xueliang Wang
- College of Physics and Optoelectronics Engineering, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen Key Laboratory of Sensor Technology, Shenzhen University, Shenzhen, 518060, China
| | - Zhiwen Cai
- College of Physics and Optoelectronics Engineering, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen Key Laboratory of Sensor Technology, Shenzhen University, Shenzhen, 518060, China
| | - Yonghong Shao
- College of Physics and Optoelectronics Engineering, Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen Key Laboratory of Sensor Technology, Shenzhen University, Shenzhen, 518060, China.
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12
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Cheng R, Zhang F, Li M, Wo X, Su YW, Wang W. Influence of Fixation and Permeabilization on the Mass Density of Single Cells: A Surface Plasmon Resonance Imaging Study. Front Chem 2019; 7:588. [PMID: 31508410 PMCID: PMC6716545 DOI: 10.3389/fchem.2019.00588] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Accepted: 08/06/2019] [Indexed: 01/24/2023] Open
Abstract
Fixation and permeabilization of cells and tissues are essential processes in biological techniques like immunofluorescence and immunohistochemistry for cell biology studies. In typical procedures, the biological samples are treated by paraformaldehyde and Triton X-100 to achieve cellular fixation and permeabilization, respectively, prior to the incubation with specific antibodies. While it is well-known that the integrity of cell membrane has been broken during these processes, quantitative studies on the loss of cellular mass density and the enhancement of molecular accessibility at single cell level are still rare. In this study, we employed the surface plasmon resonance (SPR) imaging technique to monitor the mass density change of single cells during sequential fixation and permeabilization processes. We further utilize the osmotic responses of single cells to sugar molecules as an indicator to evaluate the integrity of cell membranes. It was found that, while fixation initially destructed the integrity of cell membranes and increased the permeability of intra- and extra-cellular molecules, it was permeabilization process that substantially induced significant loss in cellular mass density.
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Affiliation(s)
- Ruoyu Cheng
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China
| | - Feng Zhang
- Department of Monoclonal Antibody Products, National Institutes for Food and Drug Control, Beijing, China
| | - Meng Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China
| | - Xiang Wo
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China
| | - Yu-Wen Su
- School of Pharmacy, Nanjing Medical University, Nanjing, China.,Department of Clinical Pharmacology, Sir Run Run Hospital, Nanjing Medical University, Nanjing, China
| | - Wei Wang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, China
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Wang D, Loo JFC, Chen J, Yam Y, Chen SC, He H, Kong SK, Ho HP. Recent Advances in Surface Plasmon Resonance Imaging Sensors. SENSORS 2019; 19:s19061266. [PMID: 30871157 PMCID: PMC6471112 DOI: 10.3390/s19061266] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Revised: 02/22/2019] [Accepted: 02/26/2019] [Indexed: 12/12/2022]
Abstract
The surface plasmon resonance (SPR) sensor is an important tool widely used for studying binding kinetics between biomolecular species. The SPR approach offers unique advantages in light of its real-time and label-free sensing capabilities. Until now, nearly all established SPR instrumentation schemes are based on single- or several-channel configurations. With the emergence of drug screening and investigation of biomolecular interactions on a massive scale these days for finding more effective treatments of diseases, there is a growing demand for the development of high-throughput 2-D SPR sensor arrays based on imaging. The so-called SPR imaging (SPRi) approach has been explored intensively in recent years. This review aims to provide an up-to-date and concise summary of recent advances in SPRi. The specific focuses are on practical instrumentation designs and their respective biosensing applications in relation to molecular sensing, healthcare testing, and environmental screening.
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Affiliation(s)
- Dongping Wang
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong, China.
| | - Jacky Fong Chuen Loo
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong, China.
- Biochemistry Programme, School of Life Sciences, The Chinese University of Hong Kong, Hong Kong, China.
| | - Jiajie Chen
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong, China.
| | - Yeung Yam
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong, China.
| | - Shih-Chi Chen
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Hong Kong, China.
| | - Hao He
- School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
| | - Siu Kai Kong
- Biochemistry Programme, School of Life Sciences, The Chinese University of Hong Kong, Hong Kong, China.
| | - Ho Pui Ho
- Department of Biomedical Engineering, The Chinese University of Hong Kong, Hong Kong, China.
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Howe CL, Webb KF, Abayzeed SA, Anderson DJ, Denning C, Russell NA. Surface plasmon resonance imaging of excitable cells. JOURNAL OF PHYSICS D: APPLIED PHYSICS 2019; 52:104001. [PMID: 30867618 PMCID: PMC6380809 DOI: 10.1088/1361-6463/aaf849] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 12/03/2018] [Accepted: 12/12/2018] [Indexed: 05/27/2023]
Abstract
Surface plasmons (SPs) are surface charge density oscillations occuring at a metal/dieletric interface and are highly sensitive to refractive index variations adjacent to the surface. This sensitivity has been exploited successfully for chemical and biological assays. In these systems, a surface plasmon resonance (SPR)-based sensor detects temporal variations in the refractive index at a point. SPR has also been used in imaging systems where the spatial variations of refractive index in the sample provide the contrast mechanism. SPR imaging systems using high numerical aperture (NA) objective lenses have been designed to image adherent live cells with high magnification and near-diffraction limited spatial resolution. Addressing research questions in cell physiology and pharmacology often requires the development of a multimodal microscope where complementary information can be obtained. In this paper, we present the development of a multimodal microscope that combines SPR imaging with a number of additional imaging modalities including bright-field, epifluorescence, total internal reflection microscopy and SPR fluorescence microscopy. We used a high NA objective lens for SPR and TIR microscopy and the platform has been used to image live cell cultures demonstrating both fluorescent and label-free techniques. Both the SPR and TIR imaging systems feature a wide field of view (~300 µm) that allows measurements from multiple cells whilst maintaining a resolution sufficient to image fine cellular processes. The capability of the platform to perform label-free functional imaging of living cells was demonstrated by imaging the spatial variations in contractions from stem cell-derived cardiomyocytes. This technique shows promise for non-invasive imaging of cultured cells over very long periods of time during development.
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Affiliation(s)
- Carmel L Howe
- Department of Electrical and Electronic Engineering, University of Nottingham, Nottingham, NG7 2RD, United Kingdom
- School of Physics and Astronomy, University of Nottingham, Nottingham, NG7 2RD, United Kingdom
| | - Kevin F Webb
- Department of Electrical and Electronic Engineering, University of Nottingham, Nottingham, NG7 2RD, United Kingdom
| | - Sidahmed A Abayzeed
- Department of Electrical and Electronic Engineering, University of Nottingham, Nottingham, NG7 2RD, United Kingdom
| | - David J Anderson
- Empyrean Therapeutics Ltd, Building 250, Babraham Research Campus, Cambridge, CB22 3AT, United Kingdom
| | - Chris Denning
- Department of Stem Cell Biology, Centre of Biomolecular Sciences, University of Nottingham, Nottingham, NG7 2RD, United Kingdom
| | - Noah A Russell
- Department of Electrical and Electronic Engineering, University of Nottingham, Nottingham, NG7 2RD, United Kingdom
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15
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Pang J, Tao L, Lu X, Yang Q, Pachauri V, Wang Z, Ingebrandt S, Chen X. Photothermal effects induced by surface plasmon resonance at graphene/gold nanointerfaces: A multiscale modeling study. Biosens Bioelectron 2019; 126:470-477. [DOI: 10.1016/j.bios.2018.11.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2018] [Revised: 10/27/2018] [Accepted: 11/04/2018] [Indexed: 01/03/2023]
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16
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Yang CT, Xu Y, Pourhassan-Moghaddam M, Tran DP, Wu L, Zhou X, Thierry B. Surface Plasmon Enhanced Light Scattering Biosensing: Size Dependence on the Gold Nanoparticle Tag. SENSORS (BASEL, SWITZERLAND) 2019; 19:E323. [PMID: 30650578 PMCID: PMC6359480 DOI: 10.3390/s19020323] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Revised: 01/11/2019] [Accepted: 01/11/2019] [Indexed: 12/31/2022]
Abstract
Surface plasmon enhanced light scattering (SP-LS) is a powerful new sensing SPR modality that yields excellent sensitivity in sandwich immunoassay using spherical gold nanoparticle (AuNP) tags. Towards further improving the performance of SP-LS, we systematically investigated the AuNP size effect. Simulation results indicated an AuNP size-dependent scattered power, and predicted the optimized AuNPs sizes (i.e., 100 and 130 nm) that afford extremely high signal enhancement in SP-LS. The maximum scattered power from a 130 nm AuNP is about 1700-fold higher than that obtained from a 17 nm AuNP. Experimentally, a bio-conjugation protocol was developed by coating the AuNPs with mixture of low and high molecular weight PEG molecules. Optimal IgG antibody bioconjugation conditions were identified using physicochemical characterization and a model dot-blot assay. Aggregation prevented the use of the larger AuNPs in SP-LS experiments. As predicted by simulation, AuNPs with diameters of 50 and 64 nm yielded significantly higher SP-LS signal enhancement in comparison to the smaller particles. Finally, we demonstrated the feasibility of a two-step SP-LS protocol based on a gold enhancement step, aimed at enlarging 36 nm AuNPs tags. This study provides a blue-print for the further development of SP-LS biosensing and its translation in the bioanalytical field.
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Affiliation(s)
- Chih-Tsung Yang
- Future Industries Institute and ARC Centre of Excellence in Convergent Bio and Nano Science and Technology, University of South Australia, Mawson Lakes Campus, Mawson Lakes 5095, Australia.
| | - Yi Xu
- Electronics and Photonics Department, Institute of High Performance Computing, Agency for Science, Technology, and Research (A*STAR), Singapore 138632, Singapore.
- SUTD-MIT International Design Center & Science and Math Cluster, Singapore University of Technology and Design, Singapore 487372, Singapore.
| | - Mohammad Pourhassan-Moghaddam
- School of Biomedical Engineering, University of Technology Sydney, Sydney 2007, Australia.
- Institute for Biomedical Materials and Devices (IBMD), Faculty of Science, University of Technology Sydney, Sydney, NSW 2007, Australia.
| | - Duy Phu Tran
- Future Industries Institute and ARC Centre of Excellence in Convergent Bio and Nano Science and Technology, University of South Australia, Mawson Lakes Campus, Mawson Lakes 5095, Australia.
| | - Lin Wu
- Electronics and Photonics Department, Institute of High Performance Computing, Agency for Science, Technology, and Research (A*STAR), Singapore 138632, Singapore.
| | - Xin Zhou
- Institute of Comparative Medicine, Yangzhou University, Yangzhou 225009, China.
| | - Benjamin Thierry
- Future Industries Institute and ARC Centre of Excellence in Convergent Bio and Nano Science and Technology, University of South Australia, Mawson Lakes Campus, Mawson Lakes 5095, Australia.
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17
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Schasfoort RBM, Abali F, Stojanovic I, Vidarsson G, Terstappen LWMM. Trends in SPR Cytometry: Advances in Label-Free Detection of Cell Parameters. BIOSENSORS 2018; 8:E102. [PMID: 30380705 PMCID: PMC6315638 DOI: 10.3390/bios8040102] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 10/19/2018] [Accepted: 10/22/2018] [Indexed: 01/03/2023]
Abstract
SPR cytometry entails the measurement of parameters from intact cells using the surface plasmon resonance (SPR) phenomenon. Specific real-time and label-free binding of living cells to sensor surfaces has been made possible through the availability of SPR imaging (SPRi) instruments and researchers have started to explore its potential in the last decade. Here we will discuss the mechanisms of detection and additionally describe the problems and issues of mammalian cells in SPR biosensing, both from our own experience and with information from the literature. Finally, we build on the knowledge and applications that has already materialized in this field to give a forecast of some exciting applications for SPRi cytometry.
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Affiliation(s)
- Richard B M Schasfoort
- Medical Cell BioPhysics Group (MCBP), University of Twente, 7500 AE Enschede, The Netherlands.
- Interfluidics BV, 7483 AL Haaksbergen, The Netherlands.
| | - Fikri Abali
- Medical Cell BioPhysics Group (MCBP), University of Twente, 7500 AE Enschede, The Netherlands.
| | - Ivan Stojanovic
- Medical Cell BioPhysics Group (MCBP), University of Twente, 7500 AE Enschede, The Netherlands.
- Interfluidics BV, 7483 AL Haaksbergen, The Netherlands.
| | - Gestur Vidarsson
- Department of Experimental Immunohematology, Sanquin Research and Landsteiner Laboratory, 1066 CX Amsterdam, The Netherlands.
| | - Leon W M M Terstappen
- Medical Cell BioPhysics Group (MCBP), University of Twente, 7500 AE Enschede, The Netherlands.
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18
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Nasseri B, Soleimani N, Rabiee N, Kalbasi A, Karimi M, Hamblin MR. Point-of-care microfluidic devices for pathogen detection. Biosens Bioelectron 2018; 117:112-128. [PMID: 29890393 PMCID: PMC6082696 DOI: 10.1016/j.bios.2018.05.050] [Citation(s) in RCA: 216] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 05/22/2018] [Accepted: 05/28/2018] [Indexed: 12/22/2022]
Abstract
The rapid diagnosis of pathogens is crucial in the early stages of treatment of diseases where the choice of the correct drug can be critical. Although conventional cell culture-based techniques have been widely utilized in clinical applications, newly introduced optical-based, microfluidic chips are becoming attractive. The advantages of the novel methods compared to the conventional techniques comprise more rapid diagnosis, lower consumption of patient sample and valuable reagents, easy application, and high reproducibility in the detection of pathogens. The miniaturized channels used in microfluidic systems simulate interactions between cells and reagents in microchannel structures, and evaluate the interactions between biological moieties to enable diagnosis of microorganisms. The overarching goal of this review is to provide a summary of the development of microfluidic biochips and to comprehensively discuss different applications of microfluidic biochips in the detection of pathogens. New types of microfluidic systems and novel techniques for viral pathogen detection (e.g. HIV, HVB, ZIKV) are covered. Next generation techniques relying on high sensitivity, specificity, lower consumption of precious reagents, suggest that rapid generation of results can be achieved via optical based detection of bacterial cells. The introduction of smartphones to replace microscope based observation has substantially improved cell detection, and allows facile data processing and transfer for presentation purposes.
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Affiliation(s)
- Behzad Nasseri
- Departments of Microbiology and Microbial Biotechnology and Nanobiotechnology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran; Chemical Engineering Deptartment and Bioengineeing Division, Hacettepe University, 06800 Beytepe, Ankara, Turkey.
| | - Neda Soleimani
- Departments of Microbiology and Microbial Biotechnology and Nanobiotechnology, Faculty of Life Sciences and Biotechnology, Shahid Beheshti University, Tehran, Iran.
| | - Navid Rabiee
- Department of Chemistry, Shahid Beheshti University, Tehran, Iran.
| | - Alireza Kalbasi
- Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA.
| | - Mahdi Karimi
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran; Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran; Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA.
| | - Michael R Hamblin
- Wellman Center for Photomedicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, USA; Department of Dermatology, Harvard Medical School, Boston, MA 02115, USA; Harvard-MIT Division of Health Sciences and Technology, Cambridge, MA 02139, USA.
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19
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Isozaki K, Shimoaka T, Oshiro S, Yamaguchi A, Pincella F, Ueno R, Hasegawa T, Watanabe T, Takaya H, Nakamura M. Robust Surface Plasmon Resonance Chips for Repetitive and Accurate Analysis of Lignin-Peptide Interactions. ACS OMEGA 2018; 3:7483-7493. [PMID: 31458905 PMCID: PMC6644341 DOI: 10.1021/acsomega.8b01161] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Accepted: 06/22/2018] [Indexed: 05/30/2023]
Abstract
We have developed novel surface plasmon resonance (SPR) sensor chips whose surfaces bear newly synthesized functional self-assembled monolayer (SAM) anchoring lignin through covalent chemical bonds. The SPR sensor chips are remarkably robust and suitable for repetitive and accurate measurement of noncovalent lignin-peptide interactions, which is of significant interest in the chemical or biochemical conversion of renewable woody biomass to valuable chemical feedstocks. The lignin-anchored SAMs were prepared for the first time by click chemistry based on an azide-alkyne Huisgen cycloaddition: mixed SAMs are fabricated on gold thin film using a mixture of alkynyl and methyl thioalkyloligo(ethylene oxide) disulfides and then reacted with azidated milled wood lignins to furnish the functional SAMs anchoring lignins covalently. The resulting SAMs were characterized using infrared reflection-absorption, Raman, and X-ray photoelectron spectroscopies to confirm covalent immobilization of the lignins to the SAMs via triazole linkages and also to reveal that the SAM formation induces a helical conformation of the ethylene oxide chains. Further, SPR measurements of the noncovalent lignin-peptide interactions using lignin-binding peptides have demonstrated high reproducibility and durability of the prepared lignin-anchored sensor chips.
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Affiliation(s)
- Katsuhiro Isozaki
- International
Research Center for Elements Science, Institute for
Chemical Research, Division of Environmental Chemistry, Institute for Chemical Research, and Research Institute
for Sustainable Humanosphere, Kyoto University, Gokasho, Uji 611-0011, Kyoto, Japan
- Department
of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Takafumi Shimoaka
- International
Research Center for Elements Science, Institute for
Chemical Research, Division of Environmental Chemistry, Institute for Chemical Research, and Research Institute
for Sustainable Humanosphere, Kyoto University, Gokasho, Uji 611-0011, Kyoto, Japan
| | - Satoshi Oshiro
- International
Research Center for Elements Science, Institute for
Chemical Research, Division of Environmental Chemistry, Institute for Chemical Research, and Research Institute
for Sustainable Humanosphere, Kyoto University, Gokasho, Uji 611-0011, Kyoto, Japan
| | - Asako Yamaguchi
- International
Research Center for Elements Science, Institute for
Chemical Research, Division of Environmental Chemistry, Institute for Chemical Research, and Research Institute
for Sustainable Humanosphere, Kyoto University, Gokasho, Uji 611-0011, Kyoto, Japan
| | - Francesca Pincella
- International
Research Center for Elements Science, Institute for
Chemical Research, Division of Environmental Chemistry, Institute for Chemical Research, and Research Institute
for Sustainable Humanosphere, Kyoto University, Gokasho, Uji 611-0011, Kyoto, Japan
- CREST,
Japan Science and Technology Agency (JST), 4-1-8 Honcho Kawaguchi, Saitama 332-0012, Japan
| | - Ryo Ueno
- International
Research Center for Elements Science, Institute for
Chemical Research, Division of Environmental Chemistry, Institute for Chemical Research, and Research Institute
for Sustainable Humanosphere, Kyoto University, Gokasho, Uji 611-0011, Kyoto, Japan
- Department
of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Takeshi Hasegawa
- International
Research Center for Elements Science, Institute for
Chemical Research, Division of Environmental Chemistry, Institute for Chemical Research, and Research Institute
for Sustainable Humanosphere, Kyoto University, Gokasho, Uji 611-0011, Kyoto, Japan
| | - Takashi Watanabe
- International
Research Center for Elements Science, Institute for
Chemical Research, Division of Environmental Chemistry, Institute for Chemical Research, and Research Institute
for Sustainable Humanosphere, Kyoto University, Gokasho, Uji 611-0011, Kyoto, Japan
- CREST,
Japan Science and Technology Agency (JST), 4-1-8 Honcho Kawaguchi, Saitama 332-0012, Japan
| | - Hikaru Takaya
- International
Research Center for Elements Science, Institute for
Chemical Research, Division of Environmental Chemistry, Institute for Chemical Research, and Research Institute
for Sustainable Humanosphere, Kyoto University, Gokasho, Uji 611-0011, Kyoto, Japan
- Department
of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
| | - Masaharu Nakamura
- International
Research Center for Elements Science, Institute for
Chemical Research, Division of Environmental Chemistry, Institute for Chemical Research, and Research Institute
for Sustainable Humanosphere, Kyoto University, Gokasho, Uji 611-0011, Kyoto, Japan
- Department
of Energy and Hydrocarbon Chemistry, Graduate School of Engineering, Kyoto University, Nishikyo-ku, Kyoto 615-8510, Japan
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20
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Modena MM, Chawla K, Misun PM, Hierlemann A. Smart Cell Culture Systems: Integration of Sensors and Actuators into Microphysiological Systems. ACS Chem Biol 2018; 13:1767-1784. [PMID: 29381325 PMCID: PMC5959007 DOI: 10.1021/acschembio.7b01029] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Technological advances in microfabrication techniques in combination with organotypic cell and tissue models have enabled the realization of microphysiological systems capable of recapitulating aspects of human physiology in vitro with great fidelity. Concurrently, a number of analysis techniques has been developed to probe and characterize these model systems. However, many assays are still performed off-line, which severely compromises the possibility of obtaining real-time information from the samples under examination, and which also limits the use of these platforms in high-throughput analysis. In this review, we focus on sensing and actuation schemes that have already been established or offer great potential to provide in situ detection or manipulation of relevant cell or tissue samples in microphysiological platforms. We will first describe methods that can be integrated in a straightforward way and that offer potential multiplexing and/or parallelization of sensing and actuation functions. These methods include electrical impedance spectroscopy, electrochemical biosensors, and the use of surface acoustic waves for manipulation and analysis of cells, tissue, and multicellular organisms. In the second part, we will describe two sensor approaches based on surface-plasmon resonance and mechanical resonators that have recently provided new characterization features for biological samples, although technological limitations for use in high-throughput applications still exist.
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Affiliation(s)
- Mario M. Modena
- ETH Zürich, Department of Biosystems Science and Engineering,
Bio Engineering Laboratory, Basel, Switzerland
| | - Ketki Chawla
- ETH Zürich, Department of Biosystems Science and Engineering,
Bio Engineering Laboratory, Basel, Switzerland
| | - Patrick M. Misun
- ETH Zürich, Department of Biosystems Science and Engineering,
Bio Engineering Laboratory, Basel, Switzerland
| | - Andreas Hierlemann
- ETH Zürich, Department of Biosystems Science and Engineering,
Bio Engineering Laboratory, Basel, Switzerland
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21
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Sismaet HJ, Goluch ED. Electrochemical Probes of Microbial Community Behavior. ANNUAL REVIEW OF ANALYTICAL CHEMISTRY (PALO ALTO, CALIF.) 2018; 11:441-461. [PMID: 29490192 DOI: 10.1146/annurev-anchem-061417-125627] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Advances in next-generation sequencing technology along with decreasing costs now allow the microbial population, or microbiome, of a location to be determined relatively quickly. This research reveals that microbial communities are more diverse and complex than ever imagined. New and specialized instrumentation is required to investigate, with high spatial and temporal resolution, the dynamic biochemical environment that is created by microbes, which allows them to exist in every corner of the Earth. This review describes how electrochemical probes and techniques are being used and optimized to learn about microbial communities. Described approaches include voltammetry, electrochemical impedance spectroscopy, scanning electrochemical microscopy, separation techniques coupled with electrochemical detection, and arrays of complementary metal-oxide-semiconductor circuits. Microbial communities also interact with and influence their surroundings; therefore, the review also includes a discussion of how electrochemical probes optimized for microbial analysis are utilized in healthcare diagnostics and environmental monitoring applications.
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Affiliation(s)
- Hunter J Sismaet
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts 02115, USA;
| | - Edgar D Goluch
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts 02115, USA;
- Department of Bioengineering, Department of Biology, and Department of Civil and Environmental Engineering, Northeastern University, Boston, Massachusetts 02115, USA
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22
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Nakano S, Nagao M, Yamasaki T, Morimura H, Hama N, Iijima Y, Shinomiya H, Tanaka M, Yamamoto M, Matsumura Y, Miyake S, Ichiyama S. Evaluation of a surface plasmon resonance imaging-based multiplex O-antigen serogrouping for Escherichia coli using eleven major serotypes of Shiga -toxin-producing E. coli. J Infect Chemother 2018; 24:443-448. [DOI: 10.1016/j.jiac.2018.01.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 12/28/2017] [Accepted: 01/17/2018] [Indexed: 02/02/2023]
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23
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An innovative paradigm of methods in microRNAs detection: highlighting DNAzymes, the illuminators. Biosens Bioelectron 2018; 107:123-144. [DOI: 10.1016/j.bios.2018.02.020] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2017] [Revised: 01/22/2018] [Accepted: 02/07/2018] [Indexed: 12/15/2022]
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24
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Ma TF, Chen YP, Guo JS, Wang W, Fang F. Cellular analysis and detection using surface plasmon resonance imaging. Trends Analyt Chem 2018. [DOI: 10.1016/j.trac.2018.03.010] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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25
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Su YW, Wang W. Surface plasmon resonance sensing: from purified biomolecules to intact cells. Anal Bioanal Chem 2018; 410:3943-3951. [DOI: 10.1007/s00216-018-1008-8] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2018] [Revised: 02/03/2018] [Accepted: 03/07/2018] [Indexed: 12/11/2022]
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26
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Pulikkathodi AK, Sarangadharan I, Chen YH, Lee GY, Chyi JI, Lee GB, Wang YL. Dynamic monitoring of transmembrane potential changes: a study of ion channels using an electrical double layer-gated FET biosensor. LAB ON A CHIP 2018; 18:1047-1056. [PMID: 29488525 DOI: 10.1039/c7lc01305a] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
In this research, we have designed, fabricated and characterized an electrical double layer (EDL)-gated AlGaN/GaN high electron mobility transistor (HEMT) biosensor array to study the transmembrane potential changes of cells. The sensor array platform is designed to detect and count circulating tumor cells (CTCs) of colorectal cancer (CRC) and investigate cellular bioelectric signals. Using the EDL FET biosensor platform, cellular responses can be studied in physiological salt concentrations, thereby eliminating complex automation. Upon investigation, we discovered that our sensor response follows the transmembrane potential changes of captured cells. Our whole cell sensor platform can be used to monitor the dynamic changes in the membrane potential of cells. The effects of continuously changing electrolyte ion concentrations and ion channel blocking using cadmium are investigated. This methodology has the potential to be used as an electrophysiological probe for studying ion channel gating and the interaction of biomolecules in cells. The sensor can also be a point-of-care diagnostic tool for rapid screening of diseases.
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Affiliation(s)
- Anil Kumar Pulikkathodi
- Institute of NanoEngineering and MicroSystems, National Tsing Hua University, Hsinchu, Taiwan 300, R.O.C.
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27
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Hinman SS, McKeating KS, Cheng Q. Surface Plasmon Resonance: Material and Interface Design for Universal Accessibility. Anal Chem 2018; 90:19-39. [PMID: 29053253 PMCID: PMC6041476 DOI: 10.1021/acs.analchem.7b04251] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Samuel S. Hinman
- Environmental Toxicology, University of California–Riverside, Riverside, California 92521, United States
| | - Kristy S. McKeating
- Department of Chemistry, University of California–Riverside, Riverside, California 92521, United States
| | - Quan Cheng
- Environmental Toxicology, University of California–Riverside, Riverside, California 92521, United States
- Department of Chemistry, University of California–Riverside, Riverside, California 92521, United States
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28
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Kim JY, Zeng ZC, Xiao L, Schultz ZD. Elucidating Protein/Ligand Recognition with Combined Surface Plasmon Resonance and Surface Enhanced Raman Spectroscopy. Anal Chem 2017; 89:13074-13081. [PMID: 29135238 DOI: 10.1021/acs.analchem.7b04246] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The ability to distinguish between specific and nonspecific binding is important for assessing the interactions between protein receptors and ligands. Surface plasmon resonance (SPR) spectroscopy is an advanced tool to measure binding events, yet the ability to distinguish between specific and nonspecific binding remains a limitation. To address this problem, we use SPR spectroscopy correlated with surface enhanced Raman scattering (SERS). The chemical information present in SERS spectra provides insight into the molecular interactions between functionalized nanoparticles and proteins, which are not detectable by SPR alone. Using a custom instrument with the Kretschmann configuration, we successfully demonstrate simultaneous affinity and the chemical characterization of streptavidin-functionalized gold nanoparticles (STV-NPs) binding to biotin immobilized on a gold film in both air and flowing phosphate buffered saline (PBS). The SPR performance is consistent with that of previous reports. The association constant (KA) for streptavidin/biotin and STV-NPs/biotin interactions observed (2 ± 1 × 107 M-1 and 2.4 ± 0.3 × 1010 M-1, respectively) agree with literature values and show a strong avidity effect associated with the STV-NPs. The SERS scattering from STV-NPs is excited by the surface plasmon polariton and collected from an objective lens mounted over the fluidic channel. The SERS spectra are recorded simultaneously with the SPR sensorgram, and the detected Raman bands provide chemical insight into the binding event. Multivariate curve resolution analysis of the spectra can differentiate specific from nonspecific binding. This label-free, real time, and surface sensitive detection method provides chemical information to protein/ligand binding affinity measurements.
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Affiliation(s)
- Ju-Young Kim
- Department of Chemistry and Biochemistry, University of Notre Dame , 140 McCourtney Hall, Notre Dame, Indiana 46556, United States
| | - Zhi-Cong Zeng
- Department of Chemistry and Biochemistry, University of Notre Dame , 140 McCourtney Hall, Notre Dame, Indiana 46556, United States
| | - Lifu Xiao
- Department of Chemistry and Biochemistry, University of Notre Dame , 140 McCourtney Hall, Notre Dame, Indiana 46556, United States
| | - Zachary D Schultz
- Department of Chemistry and Biochemistry, University of Notre Dame , 140 McCourtney Hall, Notre Dame, Indiana 46556, United States
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29
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Colorimetric analysis of lipopolysaccharides based on its self-assembly to inhibit ion transport. Anal Chim Acta 2017; 992:85-93. [DOI: 10.1016/j.aca.2017.09.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2017] [Revised: 09/02/2017] [Accepted: 09/03/2017] [Indexed: 11/22/2022]
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30
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Fathi F, Rezabakhsh A, Rahbarghazi R, Rashidi MR. Early-stage detection of VE-cadherin during endothelial differentiation of human mesenchymal stem cells using SPR biosensor. Biosens Bioelectron 2017; 96:358-366. [DOI: 10.1016/j.bios.2017.05.018] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Revised: 05/03/2017] [Accepted: 05/09/2017] [Indexed: 02/08/2023]
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31
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Shanehbandi D, Majidi J, Kazemi T, Baradaran B, Aghebati-Maleki L, Fathi F, Ezzati Nazhad Dolatabadi J. Immuno-biosensor for Detection of CD20-Positive Cells Using Surface Plasmon Resonance. Adv Pharm Bull 2017; 7:189-194. [PMID: 28761820 PMCID: PMC5527232 DOI: 10.15171/apb.2017.023] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2017] [Revised: 04/19/2017] [Accepted: 04/23/2017] [Indexed: 12/14/2022] Open
Abstract
Purpose: Surface plasmon resonance (SPR) sensing confers a real-time assessment of molecular interactions between biomolecules and their ligands. This approach is highly sensitive and reproducible and could be employed to confirm the successful binding of drugs to cell surface targets. The specific affinity of monoclonal antibodies (MAb) for their target antigens is being utilized for development of immuno-sensors and therapeutic agents. CD20 is a surface protein of B lymphocytes which has been widely employed for immuno-targeting of B-cell related disorders. In the present study, binding ability of an anti-CD20 MAb to surface antigens of intact target cells was investigated by SPR technique. Methods: Two distinct strategies were used for immobilization of the anti-CD20 MAb onto gold (Au) chips. MUA (11-mercaptoundecanoic acid) and Staphylococcus aureus protein A (SpA) were the two systems used for this purpose. A suspension of CD20-positive Raji cells was injected in the analyte phase and the resulting interactions were analyzed and compared to those of MOLT-4 cell line as CD20-negative control. Results: Efficient binding of anti-CD20 MAb to the surface antigens of Raji cell line was confirmed by both immobilizing methods, whereas this MAb had not a noticeable affinity to the MOLT-4 cells. Conclusion: According to the outcomes, the investigated MAb had acceptable affinity and specificity to the target antigens on the cell surface and could be utilized for immuno-detection of CD20-positive intact cells by SPR method.
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Affiliation(s)
- Dariush Shanehbandi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Jafar Majidi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Tohid Kazemi
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Behzad Baradaran
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Leili Aghebati-Maleki
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.,Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Farzaneh Fathi
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.,Research Center for Pharmaceutical Nanotechnology, Tabriz University of Medical Sciences, Tabriz, Iran
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Yuan L, Tao N, Wang W. Plasmonic Imaging of Electrochemical Impedance. ANNUAL REVIEW OF ANALYTICAL CHEMISTRY (PALO ALTO, CALIF.) 2017; 10:183-200. [PMID: 28301751 DOI: 10.1146/annurev-anchem-061516-045150] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Electrochemical impedance spectroscopy (EIS) measures the frequency spectrum of an electrochemical interface to resist an alternating current. This method allows label-free and noninvasive studies on interfacial adsorption and molecular interactions and has applications in biosensing and drug screening. Although powerful, traditional EIS lacks spatial resolution or imaging capability, hindering the study of heterogeneous electrochemical processes on electrodes. We have recently developed a plasmonics-based electrochemical impedance technique to image local electrochemical impedance with a submicron spatial resolution and a submillisecond temporal resolution. In this review, we provide a systematic description of the theory, instrumentation, and data analysis of this technique. To illustrate its present and future applications, we further describe several selected samples analyzed with this method, including protein microarrays, two-dimensional materials, and single cells. We conclude by summarizing the technique's unique features and discussing the remaining challenges and new directions of its application.
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Affiliation(s)
- Liang Yuan
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University , Nanjing 210093, China ;
| | - Nongjian Tao
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University , Nanjing 210093, China ;
- Center for Bioelectronics and Biosensors, Biodesign Institute, Arizona State University, Tempe, Arizona 85287
| | - Wei Wang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University , Nanjing 210093, China ;
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33
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Yuan PX, Deng SY, Zheng CY, Cosnier S, Shan D. In situ formed copper nanoparticles templated by TdT-mediated DNA for enhanced SPR sensor-based DNA assay. Biosens Bioelectron 2017; 97:1-7. [PMID: 28544921 DOI: 10.1016/j.bios.2017.05.033] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2017] [Revised: 05/03/2017] [Accepted: 05/17/2017] [Indexed: 01/16/2023]
Abstract
For the efficient surface plasmon resonance (SPR)-based DNA assay researching, signal amplification tactics were absolutely necessary. In this work, a sensitive SPR-DNA sensor was developed by employing in situ synthesis of copper nanoparticles (CuNPs) templated by poly-T sequences DNA from terminal deoxynucleotidyl transferase (TdT)-mediated extension, and synergistically with nano-effect deposition as the mass relay. The objective of this strategy was manifold: firstly, tDNA hybridized with the optimal designed probes to active the TdT-mediated DNA extension onto the surface of SPR chip, resulted a long poly-T sequences ssDNA chain in dsDNA terminal onto surface of gold chip and characterized by SPR signal amplitudes. Secondly, copper ion (Cu2+) adsorbed into the skeleton of poly-T sequences DNA, with the aid of ascorbic acid (VC) to achieve the Cu2+ reduction, copper nanostructures (CuNPs) was synchronously generated onto the single nucleotide chain anchoring in dsDNA derivatives and the formation was featured by transmission electron micrographs (TEM) and electrochemistry. Lastly, dsDNA-complexed CuNPs (CuNPs@dsDNA) triggered the final signal amplification via real-time conversion of the additive catechol violet (CV) into oligomer or chelation precipitation by CuNPs-tagged reporters. With the proposed setups, a precise and replicable DNA sensing platform for specific target oligo was obtained with a detection limit down to 3.21 femtomolar, demonstrating a beneficial overlapping exploitation of nanomaterials and biochemical reaction as unique SPR infrastructure. Such triple-amplification strategic setups, the possibility of various methods abutment and biocompatibility weight reactor was amassed and adapted to more biological detection field.
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Affiliation(s)
- Pei-Xin Yuan
- MIIT Key Laboratory of Advanced Display Materials and Devices, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Sheng-Yuan Deng
- MIIT Key Laboratory of Advanced Display Materials and Devices, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
| | - Chen-Yu Zheng
- MIIT Key Laboratory of Advanced Display Materials and Devices, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
| | - Serge Cosnier
- University of Grenoble Alpes-CNRS, DCM UMR 5250, F-38000 Grenoble, France
| | - Dan Shan
- MIIT Key Laboratory of Advanced Display Materials and Devices, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
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34
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Pan M, Wang X, Wang J, Lu Y, Qian K, Wang S. Stable and Sensitive Detection of Sulfonamide Residues in Animal-Derived Foods Using a Reproducible Surface Plasmon Resonance Immunosensor. FOOD ANAL METHOD 2016. [DOI: 10.1007/s12161-016-0752-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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35
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Taheri RA, Rezayan AH, Rahimi F, Mohammadnejad J, Kamali M. Development of an immunosensor using oriented immobilized anti-OmpW for sensitive detection of Vibrio cholerae by surface plasmon resonance. Biosens Bioelectron 2016; 86:484-488. [DOI: 10.1016/j.bios.2016.07.006] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2016] [Revised: 07/03/2016] [Accepted: 07/04/2016] [Indexed: 10/21/2022]
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36
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Suutari T, Silen T, S En Karaman D, Saari H, Desai D, Kerkelä E, Laitinen S, Hanzlikova M, Rosenholm JM, Yliperttula M, Viitala T. Real-Time Label-Free Monitoring of Nanoparticle Cell Uptake. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2016; 12:6289-6300. [PMID: 27690329 DOI: 10.1002/smll.201601815] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Revised: 08/28/2016] [Indexed: 05/10/2023]
Abstract
The surface plasmon resonance technique in combination with whole cell sensing is used for the first time for real-time label-free monitoring of nanoparticle cell uptake. The uptake kinetics of several types of nanoparticles relevant to drug delivery applications into HeLa cells is determined. The cell uptake of the nanoparticles is confirmed by confocal microscopy. The cell uptake of silica nanoparticles and polyethylenimine-plasmid DNA polyplexes is studied as a function of temperature, and the uptake energies are determined by Arrhenius plots. The phase transition temperature of the HeLa cell membrane is detected when monitoring cell uptake of silica nanoparticles at different temperatures. The HeLa cell uptake of the mesoporous silica nanoparticles is energy-independent at temperatures slightly higher than the phase transition temperature of the HeLa cell membrane, while the uptake of polyethylenimine-DNA polyplexes is energy-dependent and linear as a function of temperature with an activation energy of Ea = 62 ± 7 kJ mol-1 = 15 ± 2 kcal mol-1 . The HeLa cell uptake of red blood cell derived extracellular vesicles is also studied as a function of the extracellular vesicle concentration. The results show a concentration dependent behavior reaching a saturation level of the extracellular vesicle uptake by HeLa cells.
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Affiliation(s)
- Teemu Suutari
- Centre for Drug Research at the Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, P.O. Box 56, 00014, Helsinki, Finland
| | - Tiina Silen
- Centre for Drug Research at the Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, P.O. Box 56, 00014, Helsinki, Finland
| | - Didem S En Karaman
- Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University, BioCity 3rd floor, Artillerigatan 6A, 20520, Åbo, Finland
- Centre for Functional Materials, Laboratory for Physical Chemistry, Faculty of Science and Engineering, Åbo Akademi University, Porthansgatan 3-5, 20500, Åbo, Finland
| | - Heikki Saari
- Centre for Drug Research at the Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, P.O. Box 56, 00014, Helsinki, Finland
| | - Diti Desai
- Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University, BioCity 3rd floor, Artillerigatan 6A, 20520, Åbo, Finland
| | - Erja Kerkelä
- Finnish Red Cross Blood Service, Kivihaantie 7, 00310, Helsinki, Finland
| | - Saara Laitinen
- Finnish Red Cross Blood Service, Kivihaantie 7, 00310, Helsinki, Finland
| | - Martina Hanzlikova
- Centre for Drug Research at the Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, P.O. Box 56, 00014, Helsinki, Finland
| | - Jessica M Rosenholm
- Pharmaceutical Sciences Laboratory, Faculty of Science and Engineering, Åbo Akademi University, BioCity 3rd floor, Artillerigatan 6A, 20520, Åbo, Finland
| | - Marjo Yliperttula
- Centre for Drug Research at the Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, P.O. Box 56, 00014, Helsinki, Finland
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, via F. Marzolo 5, Padova, Italy
| | - Tapani Viitala
- Centre for Drug Research at the Division of Pharmaceutical Biosciences, Faculty of Pharmacy, University of Helsinki, P.O. Box 56, 00014, Helsinki, Finland
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Mondani L, Delannoy S, Mathey R, Piat F, Mercey T, Slimani S, Fach P, Livache T, Roupioz Y. Fast detection of both O157 and non-O157 shiga-toxin producing Escherichia coli by real-time optical immunoassay. Lett Appl Microbiol 2016; 62:39-46. [PMID: 26432989 DOI: 10.1111/lam.12503] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2015] [Revised: 09/04/2015] [Accepted: 09/24/2015] [Indexed: 11/28/2022]
Abstract
UNLABELLED Among bacterial pathogens involved in food-illnesses, seven serogroups (O26, O45, O103, O111, O121, O145 and O157) of Shiga-toxin producing Escherichia coli (STEC), are frequently identified. During such outbreak, and due to the perishable property of most foodstuff, the time laps for the identification of contaminated products and pathogens is thus critical to better circumvent their spread. Traditional detection methods using PCR or culture plating are time consuming and may present some limitations. In this study, we present a multiplexed immunoassay for the optical detection of most commonly enterohemorrhagic E. coli serogroups: O26, O45, O103, O111, O121, O145 and O157:H7 in a single device. The use of Surface Plasmon Resonance imaging not only enabled the label-free analysis of the samples but gave results in a real-time manner. A dedicated protocol was set up for the detection of both low contaminating bacterial concentrations of food samples (5 CFU per 25 g) and postenrichment aliquots. By combining one single device for the detection of O157 and non-O157 STEC in a label-free manner, this rapid approach may have an important economic and societal impact. SIGNIFICANCE AND IMPACT OF THE STUDY This article presents a simple-to-operate immunoassay for the specific detection of Shiga-toxin producing Escherichia coli (STEC). This approach consists in the on-chip assay detection of viable cells on a specifically designed antibody microarray. By skipping any enrichment step and avoiding the use of labelling agent, this approach based on the Surface Plasmon Resonance imaging of the microarrays turns out to be much faster and more cost effective by comparison with standardized methods.
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Affiliation(s)
- L Mondani
- University of Grenoble Alpes, INAC-SPRAM, Grenoble, France.,CEA, INAC-SPrAM, Grenoble, France.,CNRS, INAC-SPrAM, Grenoble, France
| | - S Delannoy
- Université Paris-Est, ANSES, Food Safety Laboratory, Platform IdentyPath, Maisons-Alfort, France
| | - R Mathey
- University of Grenoble Alpes, INAC-SPRAM, Grenoble, France.,CEA, INAC-SPrAM, Grenoble, France.,CNRS, INAC-SPrAM, Grenoble, France
| | - F Piat
- Prestodiag, Villejuif, France
| | | | | | - P Fach
- Université Paris-Est, ANSES, Food Safety Laboratory, Platform IdentyPath, Maisons-Alfort, France
| | - T Livache
- University of Grenoble Alpes, INAC-SPRAM, Grenoble, France.,CEA, INAC-SPrAM, Grenoble, France.,CNRS, INAC-SPrAM, Grenoble, France
| | - Y Roupioz
- University of Grenoble Alpes, INAC-SPRAM, Grenoble, France.,CEA, INAC-SPrAM, Grenoble, France.,CNRS, INAC-SPrAM, Grenoble, France
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38
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Recent Progresses in Nanobiosensing for Food Safety Analysis. SENSORS 2016; 16:s16071118. [PMID: 27447636 PMCID: PMC4970161 DOI: 10.3390/s16071118] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/02/2016] [Revised: 07/12/2016] [Accepted: 07/14/2016] [Indexed: 12/21/2022]
Abstract
With increasing adulteration, food safety analysis has become an important research field. Nanomaterials-based biosensing holds great potential in designing highly sensitive and selective detection strategies necessary for food safety analysis. This review summarizes various function types of nanomaterials, the methods of functionalization of nanomaterials, and recent (2014-present) progress in the design and development of nanobiosensing for the detection of food contaminants including pathogens, toxins, pesticides, antibiotics, metal contaminants, and other analytes, which are sub-classified according to various recognition methods of each analyte. The existing shortcomings and future perspectives of the rapidly growing field of nanobiosensing addressing food safety issues are also discussed briefly.
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Wang Y, Luo Z, Liu K, Wang J, Duan Y. In situ targeting TEM8 via immune response and polypeptide recognition by wavelength-modulated surface plasmon resonance biosensor. Sci Rep 2016; 6:20006. [PMID: 26822761 PMCID: PMC4731803 DOI: 10.1038/srep20006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Accepted: 12/22/2015] [Indexed: 12/12/2022] Open
Abstract
There is an increasing interest in real-time and in situ monitoring of living cell activities in life science and medicine. This paper reports a whole cell sensing protocol over the interface of Au film coupled in a wavelength-modulated surface plasmon resonance (WMSPR) biosensor. With dual parabolic mirrors integrated in the sensor, the compact and miniaturized instrument shows satisfactory refractive index sensitivity (2220 nm/RIU) and a high resolution of resonance wavelength shift of 0.3 nm to liquid samples. The affinity interactions between the biomarker of human tumor endothelial marker 8 (TEM8) and antibody (Ab) or specific polypeptide (PEP) were firstly introduced to WMSPR biosensor analysis. Both the interaction events of Ab-cell and PEP-cell over the Au film interface can be recognized by the sensor and the balance time of interactions is about 20 min. The concentration range of Ab for quantitative monitoring of the TEM8 expression on human colon carcinoma SW620 cells was investigated. The present low-cost and time-saving method provides a time resolution of binding specificity between Ab/PEP and TEM8 for real-time analysis of antigen on living tumor cell surface.
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Affiliation(s)
- Yimin Wang
- Research Center of Analytical Instrumentation, Key Laboratory of Bio-resource and Eco-environment, Ministry of Education, College of Life Science, Sichuan University, Chengdu 610065, PR China
| | - Zewei Luo
- Research Center of Analytical Instrumentation, Key Laboratory of Bio-resource and Eco-environment, Ministry of Education, College of Life Science, Sichuan University, Chengdu 610065, PR China
| | - Kunping Liu
- Research Center of Analytical Instrumentation, Key Laboratory of Bio-resource and Eco-environment, Ministry of Education, College of Life Science, Sichuan University, Chengdu 610065, PR China.,Faculty of biotechnology industry, Chengdu University, Chengdu, 610106, PR China
| | - Jie Wang
- School of Manufacturing Science and Engineering, Sichuan University, Chengdu, 610065, PR China
| | - Yixiang Duan
- Research Center of Analytical Instrumentation, Key Laboratory of Bio-resource and Eco-environment, Ministry of Education, College of Life Science, Sichuan University, Chengdu 610065, PR China
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40
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Forest S, Breault-Turcot J, Chaurand P, Masson JF. Surface Plasmon Resonance Imaging-MALDI-TOF Imaging Mass Spectrometry of Thin Tissue Sections. Anal Chem 2016; 88:2072-9. [DOI: 10.1021/acs.analchem.5b03309] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Simon Forest
- Département
de Chimie, Université de Montréal, C.P. 6128 Succ. Centre-Ville, Montréal, Québec H3C 3J7, Canada
| | - Julien Breault-Turcot
- Département
de Chimie, Université de Montréal, C.P. 6128 Succ. Centre-Ville, Montréal, Québec H3C 3J7, Canada
| | - Pierre Chaurand
- Département
de Chimie, Université de Montréal, C.P. 6128 Succ. Centre-Ville, Montréal, Québec H3C 3J7, Canada
| | - Jean-Francois Masson
- Département
de Chimie, Université de Montréal, C.P. 6128 Succ. Centre-Ville, Montréal, Québec H3C 3J7, Canada
- Centre
for Self-Assembled Chemical Structures (CSACS), McGill University, Montreal, Quebec H3A 2K6, Canada
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41
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Zhang Y, Xu S, Wen L, Bai Y, Niu L, Song D, Liu H. A dielectric barrier discharge ionization based interface for online coupling surface plasmon resonance with mass spectrometry. Analyst 2016; 141:3343-8. [DOI: 10.1039/c6an00561f] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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42
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Salieb-Beugelaar GB, Zhang B, Nigo MM, Frischmann S, Hunziker PR. Improving diagnosis of pneumococcal disease by multiparameter testing and micro/nanotechnologies. EUROPEAN JOURNAL OF NANOMEDICINE 2016. [DOI: 10.1515/ejnm-2016-0012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
AbstractThe diagnosis and management of pneumococcal disease remains challenging, in particular in children who often are asymptomatic carriers, and in low-income countries with a high morbidity and mortality from febrile illnesses where the broad range of bacterial, viral and parasitic cases are in contrast to limited, diagnostic resources. Integration of multiple markers into a single, rapid test is desirable in such situations. Likewise, the development of multiparameter tests for relevant arrays of pathogens is important to avoid overtreatment of febrile syndromes with antibiotics. Miniaturization of tests through use of micro- and nanotechnologies combines several advantages: miniaturization reduces sample requirements, reduces the use of consumables and reagents leading to a reduction in costs, facilitates parallelization, enables point-of-care use of diagnostic equipment and even reduces the amount of potentially infectious disposables, characteristics that are highly desirable in most healthcare settings. This critical review emphasizes our vision on the importance of multiparametric testing for diagnosing pneumococcal infections in patients with fever and examines recent relevant developments in micro/nanotechnologies to achieve this goal.
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43
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Abadian PN, Yildirim N, Gu AZ, Goluch ED. SPRi-based adenovirus detection using a surrogate antibody method. Biosens Bioelectron 2015; 74:808-14. [DOI: 10.1016/j.bios.2015.07.047] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2015] [Revised: 07/06/2015] [Accepted: 07/21/2015] [Indexed: 12/31/2022]
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44
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Surface Plasmon Resonance Sensors: Methods of Surface Functionalization and Sensitivity Enhancement. THEOR EXP CHEM+ 2015. [DOI: 10.1007/s11237-015-9427-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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45
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Wu C, Rehman FU, Li J, Ye J, Zhang Y, Su M, Jiang H, Wang X. Real-Time Evaluation of Live Cancer Cells by an in Situ Surface Plasmon Resonance and Electrochemical Study. ACS APPLIED MATERIALS & INTERFACES 2015; 7:24848-24854. [PMID: 26492438 DOI: 10.1021/acsami.5b08066] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
This work presents a new strategy of the combination of surface plasmon resonance (SPR) and electrochemical study for real-time evaluation of live cancer cells treated with daunorubicin (DNR) at the interface of the SPR chip and living cancer cells. The observations demonstrate that the SPR signal changes could be closely related to the morphology and mass changes of adsorbed cancer cells and the variation of the refractive index of the medium solution. The results of light microscopy images and 3-(4,5-dimethyl-2-thiazolyl)-2,5-diphenyl-2H-tetrazolium bromide studies also illustrate the release or desorption of HepG2 cancer cells, which were due to their apoptosis after treatment with DNR. It is evident that the extracellular concentration of DNR residue can be readily determined through electrochemical measurements. The decreases in the magnitudes of SPR signals were linearly related to cell survival rates, and the combination of SPR with electrochemical study could be utilized to evaluate the potential therapeutic efficiency of bioactive agents to cells. Thus, this label-free, real-time SPR-electrochemical detection technique has great promise in bioanalysis or monitoring of relevant treatment processes in clinical applications.
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Affiliation(s)
- Changyu Wu
- State Key Laboratory of Bioelectronics (Chien-Shiung Wu Laboratory), Southeast University , Nanjing 210096, China
| | - Fawad Ur Rehman
- State Key Laboratory of Bioelectronics (Chien-Shiung Wu Laboratory), Southeast University , Nanjing 210096, China
| | - Jingyuan Li
- Laboratory Animal Center, Nantong University , Nantong 226001, China
| | - Jing Ye
- State Key Laboratory of Bioelectronics (Chien-Shiung Wu Laboratory), Southeast University , Nanjing 210096, China
| | - Yuanyuan Zhang
- State Key Laboratory of Bioelectronics (Chien-Shiung Wu Laboratory), Southeast University , Nanjing 210096, China
| | - Meina Su
- State Key Laboratory of Bioelectronics (Chien-Shiung Wu Laboratory), Southeast University , Nanjing 210096, China
| | - Hui Jiang
- State Key Laboratory of Bioelectronics (Chien-Shiung Wu Laboratory), Southeast University , Nanjing 210096, China
| | - Xuemei Wang
- State Key Laboratory of Bioelectronics (Chien-Shiung Wu Laboratory), Southeast University , Nanjing 210096, China
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46
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Huang R, Liu X, Ye H, Su R, Qi W, Wang L, He Z. Conjugation of Hyaluronic Acid onto Surfaces via the Interfacial Polymerization of Dopamine to Prevent Protein Adsorption. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:12061-12070. [PMID: 26488547 DOI: 10.1021/acs.langmuir.5b02320] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
A versatile, convenient, and cost-effective method that can be used for grafting antifouling materials onto different surfaces is highly desirable in many applications. Here, we report the one-step fabrication of antifouling surfaces via the polymerization of dopamine and the simultaneous deposition of anionic hyaluronic acid (HA) on Au substrates. The water contact angle of the Au surfaces decreased from 84.9° to 24.8° after the attachment of a highly uniform polydopamine (PDA)/HA hybrid film. The results of surface plasmon resonance analysis showed that the Au-PDA/HA surfaces adsorbed proteins from solutions of bovine serum albumin, lysozyme, β-lactoglobulin, fibrinogen, and soybean milk in ultralow or low amounts (4.8-31.7 ng/cm(2)). The hydrophilicity and good antifouling performance of the PDA/HA surfaces is attributable to the HA chains that probably attached onto their upper surface via hydrogen bonding between PDA and HA. At the same time, the electrostatic repulsion between PDA and HA probably prevents the aggregation of PDA, resulting in the formation of a highly uniform PDA/HA hybrid film with the HA chains (with a stretched structure) on the upper surface. We also developed a simple method for removing this PDA/HA film and recycling the Au substrates by using an aqueous solution of NaOH as the hydrolyzing agent. The Au surface remained undamaged, and a PDA/HA film could be redeposited on the surface, with the surface exhibiting good antifouling performance even after 10 such cycles. Finally, it was found that this grafting method is applicable to other substrates, including epoxy resins, polystyrene, glass, and steel, owing to the strong adhesion of PDA with these substrates.
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Affiliation(s)
- Renliang Huang
- Tianjin Key Laboratory of Indoor Air Environmental Quality Control, School of Environmental Science and Engineering, Tianjin University , Tianjin 300072, P. R. China
| | - Xia Liu
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University , Tianjin 300072, P. R. China
| | - Huijun Ye
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University , Tianjin 300072, P. R. China
| | - Rongxin Su
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University , Tianjin 300072, P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) , Tianjin 300072, P. R. China
- Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin University , Tianjin 300072, P. R. China
| | - Wei Qi
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University , Tianjin 300072, P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin) , Tianjin 300072, P. R. China
- Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin University , Tianjin 300072, P. R. China
| | - Libing Wang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University , Tianjin 300072, P. R. China
| | - Zhimin He
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University , Tianjin 300072, P. R. China
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Shen WJ, Zhuo Y, Chai YQ, Yuan R. Cu-Based Metal-Organic Frameworks as a Catalyst To Construct a Ratiometric Electrochemical Aptasensor for Sensitive Lipopolysaccharide Detection. Anal Chem 2015; 87:11345-52. [PMID: 26465256 DOI: 10.1021/acs.analchem.5b02694] [Citation(s) in RCA: 116] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
In this work, we developed a sensitive and efficient ratiometric electrochemical method for lipopolysaccharide (LPS) detection using Cu-based metal-organic frameworks (Cu-MOFs) as a catalyst and target-triggered quadratic cycles for signal amplification. First, in the presence of target LPS, the conformation change of the specifically designed hairpin probes 1 (HP1) triggered the target cyclic-induced polymerization to produce the output DNA with the aid of phi29 DNA polymerase (phi29). Then, the obtained output DNA hybridized with ferrocene-labeled hairpin probes 2 (Fc-HP2, which were immobilized on the electrode) to generate a nicking endonuclease (N.BstNBI) cleavage site. Thus, with N.BstNBI, the original signal molecules of Fc left from the electrode, and the single-stranded capture-probe-modified sensing interface was obtained. At this time, signal probes conducted by Au-nanoparticles-functionalized Cu-MOFs and labeled hairpin probes 3 (HP3/AuNPs/Cu-MOFs) were hybridized with capture probes for hairpin assembly. Herein, AuNPs/Cu-MOFs were not only used as nanocarriers for immobilizing HP3 but also acted as electroactive materials for signal reporting. With the proposed target-triggered quadratic cycles, the cleavage sites of Fc-HP2 were cut, and capture probes were obtained to hybridize with HP3/AuNPs/Cu-MOFs, which caused the signal decrease of Fc. Then Cu-MOFs were closed to the electrode for the signal increase of Cu-MOFs. Furthermore, when glucose was present in the detection solution, AuNPs/Cu-MOFs catalyzed the oxidation of glucose to realize the enzyme-free signal amplification. By measuring the peak currents ratio of the Cu-MOFs and Fc, the proposed aptasenor for LPS detection showed a low detection limit (0.33 fg/mL) and a wide linear range from 1.0 fg/mL to 100 ng/mL with high accuracy and sensitivity. This ratiometric electrochemical approach is expected to be a valuable strategy for detection of other analytes.
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Affiliation(s)
- Wen-Jun Shen
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University , Chongqing 400715, China
| | - Ying Zhuo
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University , Chongqing 400715, China
| | - Ya-Qin Chai
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University , Chongqing 400715, China
| | - Ruo Yuan
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University , Chongqing 400715, China
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48
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Grasso L, Wyss R, Weidenauer L, Thampi A, Demurtas D, Prudent M, Lion N, Vogel H. Molecular screening of cancer-derived exosomes by surface plasmon resonance spectroscopy. Anal Bioanal Chem 2015; 407:5425-32. [PMID: 25925862 PMCID: PMC4477949 DOI: 10.1007/s00216-015-8711-5] [Citation(s) in RCA: 86] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2015] [Revised: 03/31/2015] [Accepted: 04/15/2015] [Indexed: 01/29/2023]
Abstract
We report on a generic method to detect and identify the molecular profile of exosomes either derived from cultured cell lines or isolated from biofluids. Exosomes are nanovesicles shed by cells into their microenvironment and carry the molecular identity of their mother cells. These vesicles are actively involved in intercellular communication under physiological conditions and ultimately in the spread of various diseases such as cancer. As they are accessible in most biofluids (e.g., blood, urine, or saliva), these biological entities are promising tools for cancer diagnostics, offering a non-invasive and remote access to the molecular state of the disease. The composition of exosomes derived from cancer cells depends on the sort and state of the tumor, requiring a screening of multiple antigens to fully characterize the disease. Here, we exploited the capacity of surface plasmon resonance biosensing to detect simultaneously multiple exosomal and cancer biomarkers on exosomes derived from breast cancer cells. We developed an immunosensor surface which provides efficient and specific capture of exosomes, together with their identification through their distinct molecular profiles. The successful analysis of blood samples demonstrated the suitability of our bioanalytical procedure for clinical use.
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Affiliation(s)
- Luigino Grasso
- />Laboratory of Physical Chemistry of Polymers and Membranes, Ecole Polytechnique Fédérale de Lausanne, Station 6, 1015 Lausanne, Switzerland
| | - Romain Wyss
- />Laboratory of Physical Chemistry of Polymers and Membranes, Ecole Polytechnique Fédérale de Lausanne, Station 6, 1015 Lausanne, Switzerland
| | - Lorenz Weidenauer
- />Laboratory of Physical Chemistry of Polymers and Membranes, Ecole Polytechnique Fédérale de Lausanne, Station 6, 1015 Lausanne, Switzerland
| | - Ashwin Thampi
- />Laboratory of Physical Chemistry of Polymers and Membranes, Ecole Polytechnique Fédérale de Lausanne, Station 6, 1015 Lausanne, Switzerland
| | - Davide Demurtas
- />Interdisciplinary Center for Electron Microscopy, Ecole Polytechnique Fédérale de Lausanne, Station 12, 1015 Lausanne, Switzerland
| | - Michel Prudent
- />Transfusion Interrégionale CRS, Laboratoire de Recherche sur les Produits Sanguins, Rte de la Corniche 2, 1066 Epalinges, Switzerland
| | - Niels Lion
- />Transfusion Interrégionale CRS, Laboratoire de Recherche sur les Produits Sanguins, Rte de la Corniche 2, 1066 Epalinges, Switzerland
| | - Horst Vogel
- />Laboratory of Physical Chemistry of Polymers and Membranes, Ecole Polytechnique Fédérale de Lausanne, Station 6, 1015 Lausanne, Switzerland
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49
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Zhang Y, Li X, Nie H, Yang L, Li Z, Bai Y, Niu L, Song D, Liu H. Interface for Online Coupling of Surface Plasmon Resonance to Direct Analysis in Real Time Mass Spectrometry. Anal Chem 2015; 87:6505-9. [DOI: 10.1021/acs.analchem.5b01272] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Yiding Zhang
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic
Chemistry and Molecular Engineering of Ministry of Education, Institute
of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Xianjiang Li
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic
Chemistry and Molecular Engineering of Ministry of Education, Institute
of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Honggang Nie
- Analytical
Instrumentation Center, Peking University, Beijing, 100871, P. R. China
| | - Li Yang
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic
Chemistry and Molecular Engineering of Ministry of Education, Institute
of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Ze Li
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic
Chemistry and Molecular Engineering of Ministry of Education, Institute
of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Yu Bai
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic
Chemistry and Molecular Engineering of Ministry of Education, Institute
of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
| | - Li Niu
- State
Key Laboratory of Electroanalytical Chemistry, Changchun Institute
of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, Jilin, P. R. China
| | - Daqian Song
- College
of Chemistry, Jilin University, Changchun, 130012, Jilin, P. R. China
| | - Huwei Liu
- Beijing
National Laboratory for Molecular Sciences, Key Laboratory of Bioorganic
Chemistry and Molecular Engineering of Ministry of Education, Institute
of Analytical Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
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50
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A novel and highly specific phage endolysin cell wall binding domain for detection of Bacillus cereus. EUROPEAN BIOPHYSICS JOURNAL: EBJ 2015; 44:437-46. [DOI: 10.1007/s00249-015-1044-7] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Revised: 05/07/2015] [Accepted: 05/13/2015] [Indexed: 10/23/2022]
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