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Hemmerová E, Homola J. Combining plasmonic and electrochemical biosensing methods. Biosens Bioelectron 2024; 251:116098. [PMID: 38359667 DOI: 10.1016/j.bios.2024.116098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 01/29/2024] [Accepted: 01/31/2024] [Indexed: 02/17/2024]
Abstract
The idea of combining electrochemical (EC) and plasmonic biosensor methods was introduced almost thirty years ago and the potential of electrochemical-plasmonic (EC-P) biosensors has been highlighted ever since. Despite that, the use of EC-P biosensors in analytics has been rather limited so far and the search for unique applications of the EC-P method continues. In this paper, we review the advances in the field of EC-P biosensors and discuss the features and benefits they can provide. In addition, we identify the main challenges for the development of EC-P biosensors and the limitations that prevent EC-P biosensors from more widespread use. Finally, we review applications of EC-P biosensors for the investigation and quantification of biomolecules, and for the study of biomolecular and cellular processes.
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Affiliation(s)
- Erika Hemmerová
- Institute of Photonics and Electronics, Czech Academy of Sciences, Chaberská 1014/57, 182 51, Prague, Czech Republic
| | - Jiří Homola
- Institute of Photonics and Electronics, Czech Academy of Sciences, Chaberská 1014/57, 182 51, Prague, Czech Republic.
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2
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MATSUI M, ORIKASA Y, UCHIYAMA T, NISHI N, MIYAHARA Y, OTOYAMA M, TSUDA T. Electrochemical In Situ/<i>operando</i> Spectroscopy and Microscopy Part 1: Fundamentals. ELECTROCHEMISTRY 2022. [DOI: 10.5796/electrochemistry.22-66093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Affiliation(s)
| | - Yuki ORIKASA
- Department of Applied Chemistry, Ritsumeikan University
| | - Tomoki UCHIYAMA
- Department of Interdisciplinary Environment, Kyoto University
| | - Naoya NISHI
- Department of Energy and Hydrocarbon Chemistry, Kyoto University
| | - Yuto MIYAHARA
- Department of Energy and Hydrocarbon Chemistry, Kyoto University
| | - Misae OTOYAMA
- Research Institute of Electrochemical Energy, National Institute of Advanced Industrial Science and Technology (AIST)
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Kitta M, Murai K, Yoshii K, Sano H. Electrochemical Surface Plasmon Resonance Spectroscopy for Investigation of the Initial Process of Lithium Metal Deposition. J Am Chem Soc 2021; 143:11160-11170. [PMID: 34260226 DOI: 10.1021/jacs.1c04934] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The initial process of Li-metal electrodeposition on the negative electrode surface determines the charging performance of Li-metal secondary batteries. However, minute depositions or the early processes of nucleation and growth of Li metal are generally difficult to detect under operando conditions. In this study, we propose an optical diagnostic approach to address these challenges. Surface plasmon resonance (SPR) spectroscopy coupled with electrochemical operation is a promising technique that enables the ultrasensitive detection of the initial stage of Li-metal electrodeposition. The SPR is excited in a thin copper film deposited on a glass substrate, which also serves as a current collector enabling electrochemical Li-metal deposition. For a propylene carbonate (PC)-based Li-ion battery electrolyte, under both cyclic voltammetry and constant-current operation, Li-metal deposition is readily detected by changes in the SPR absorption dip in the reflectance spectrum. Electrochemical SPR is highly sensitive to metal deposition, with a demonstrated capability of detecting an average thickness of approximately 0.1 nm, corresponding to a few atomic layers of Li. To identify the growth mechanism, the SPR reflectance spectra of various possible Li-metal deposition processes were simulated. Comparison of the simulated spectra with the experimental data found good agreement with the well-known nucleation and growth model for Li-metal deposition from PC-based electrolytes. The demonstrated operando electrochemical SPR measurement should be a valuable tool for basic research on the initial Li-metal deposition process.
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Affiliation(s)
- Mitsunori Kitta
- Research Institute of Electrochemical Energy, Department of Energy and Environment, National Institute of Advanced Industrial Science and Technology (AIST), 1-8-31 Midorigaoka, Ikeda, Osaka 563-8577, Japan
| | - Kensuke Murai
- National Institute of Advanced Industrial Science and Technology (AIST), 1-8-31 Midorigaoka, Ikeda, Osaka 563-8577, Japan
| | - Kazuki Yoshii
- Research Institute of Electrochemical Energy, Department of Energy and Environment, National Institute of Advanced Industrial Science and Technology (AIST), 1-8-31 Midorigaoka, Ikeda, Osaka 563-8577, Japan
| | - Hikaru Sano
- Research Institute of Electrochemical Energy, Department of Energy and Environment, National Institute of Advanced Industrial Science and Technology (AIST), 1-8-31 Midorigaoka, Ikeda, Osaka 563-8577, Japan
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Kristiansen K, Donaldson SH, Berkson ZJ, Scott J, Su R, Banquy X, Lee DW, de Aguiar HB, McGraw JD, Degen GD, Israelachvili JN. Multimodal Miniature Surface Forces Apparatus (μSFA) for Interfacial Science Measurements. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:15500-15514. [PMID: 31362502 DOI: 10.1021/acs.langmuir.9b01808] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Advances in the research of intermolecular and surface interactions result from the development of new and improved measurement techniques and combinations of existing techniques. Here, we present a new miniature version of the surface forces apparatus-the μSFA-that has been designed for ease of use and multimodal capabilities with the retention of the capabilities of other SFA models including accurate measurements of the surface separation distance and physical characterization of dynamic and static physical forces (i.e., normal, shear, and friction) and interactions (e.g., van der Waals, electrostatic, hydrophobic, steric, and biospecific). The small physical size of the μSFA, compared to previous SFA models, makes it portable and suitable for integration into commercially available optical and fluorescence light microscopes, as demonstrated here. The large optical path entry and exit ports make it ideal for concurrent force measurements and spectroscopy studies. Examples of the use of the μSFA in combination with surface plasmon resonance (SPR) and Raman spectroscopy measurements are presented. Because of the short working distance constraints associated with Raman spectroscopy, an interferometric technique was developed and applied to calculate the intersurface separation distance based on Newton's rings. The introduction of the μSFA will mark a transition in SFA usage from primarily physical characterization to concurrent physical characterization with in situ chemical and biological characterization to study interfacial phenomena, including (but not limited to) molecular adsorption, fluid flow dynamics, the determination of surface species and morphology, and (bio)molecular binding kinetics.
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Affiliation(s)
- Kai Kristiansen
- Department of Chemical Engineering , University of California Santa Barbara , Santa Barbara , California 93106 , United States
| | - Stephen H Donaldson
- Département de Physique, Ecole Normale Supérieure/PSL , Research University , CNRS, 24 rue Lhomond , 75005 Paris , France
| | - Zachariah J Berkson
- Department of Chemical Engineering , University of California Santa Barbara , Santa Barbara , California 93106 , United States
| | - Jeffrey Scott
- SurForce LLC , Goleta , California 93117 , United States
| | - Rongxin Su
- State Key Laboratory of Chemical Engineering, Tianjin Key Laboratory of Membrane Science and Desalination Technology, School of Chemical Engineering and Technology , Tianjin University , Tianjin 300072 , China
| | - Xavier Banquy
- Faculty of Pharmacy , Université de Montréal , Succursale Centre Ville , Montréal , Quebec H3C 3J7 , Canada
| | - Dong Woog Lee
- School of Energy and Chemical Engineering , Ulsan National Institute of Science and Technology , Ulsan 44919 , Republic of Korea
| | - Hilton B de Aguiar
- Département de Physique, Ecole Normale Supérieure/PSL , Research University , CNRS, 24 rue Lhomond , 75005 Paris , France
| | - Joshua D McGraw
- Département de Physique, Ecole Normale Supérieure/PSL , Research University , CNRS, 24 rue Lhomond , 75005 Paris , France
- Gulliver CNRS UMR 7083 , PSL Research University, ESPCI Paris , 10 rue Vauquelin , 75005 Paris , France
| | - George D Degen
- Department of Chemical Engineering , University of California Santa Barbara , Santa Barbara , California 93106 , United States
| | - Jacob N Israelachvili
- Department of Chemical Engineering , University of California Santa Barbara , Santa Barbara , California 93106 , United States
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5
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Nishi N, Ikeda Y, Sakka T. Electrochemical surface plasmon resonance as a probe of redox reactions at the ionic liquid|gold interface. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2018.03.067] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Zhang D, Lu Y, Jiang J, Zhang Q, Yao Y, Wang P, Chen B, Cheng Q, Liu GL, Liu Q. Nanoplasmonic biosensor: Coupling electrochemistry to localized surface plasmon resonance spectroscopy on nanocup arrays. Biosens Bioelectron 2015; 67:237-42. [DOI: 10.1016/j.bios.2014.08.022] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2014] [Revised: 08/11/2014] [Accepted: 08/14/2014] [Indexed: 01/06/2023]
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7
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Leong ESP, Wu S, Zhang N, Loh WW, Khoo EH, Si GY, Dai HT, Liu YJ. Optical properties of ultrafine line and space polymeric nanogratings coated with metal and metal-dielectric-metal thin films. NANOTECHNOLOGY 2014; 25:055203. [PMID: 24406796 DOI: 10.1088/0957-4484/25/5/055203] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Noble metal and metal-dielectric-metal ultrathin films were deposited on the surfaces of ultrafine polymeric nanogratings, which were fabricated using nanoimprint lithography. Experimental results showed dramatic differences of the surface morphologies for single metal and triple metal-dielectric-metal films deposited on flat and corrugated polymeric surfaces. The effect of the surface morphology on the optical properties was hence investigated and analyzed under linearly polarized light. The surface plasmon resonances of single metal and triple metal-dielectric-metal films deposited on polymeric nanograting surfaces were also characterized based on the Kretschmann prism-coupling method. The single metal and triple metal-dielectric-metal films deposited on polymeric nanograting surfaces are important for the study of photon-plasmon interactions (i.e. couplings and conversions) at the interfaces between a nanograting and metal films.
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Affiliation(s)
- Eunice Sok Ping Leong
- Institute of Materials Research and Engineering, Agency for Science, Technology and Research (A*STAR), 3 Research Link, Singapore 117602, Singapore
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8
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Yeh WH, Hillier AC. Use of Dispersion Imaging for Grating-Coupled Surface Plasmon Resonance Sensing of Multilayer Langmuir–Blodgett Films. Anal Chem 2013; 85:4080-6. [DOI: 10.1021/ac400144q] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Wei-Hsun Yeh
- Department of Chemical
and Biological Engineering, Iowa State University, Ames, Iowa, United States
| | - Andrew C. Hillier
- Department of Chemical
and Biological Engineering, Iowa State University, Ames, Iowa, United States
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9
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Pirvu C, Manole CC. Electrochemical surface plasmon resonance for in situ investigation of antifouling effect of ultra thin hybrid polypyrrole/PSS films. Electrochim Acta 2013. [DOI: 10.1016/j.electacta.2012.11.045] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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10
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Timm AE, Nattland D, Schuster R. In situ determination of the surface excess upon electrochemical sulfate adsorption on Au(111) films by surface plasmon resonance. Phys Chem Chem Phys 2013; 15:6667-72. [DOI: 10.1039/c3cp44303e] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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11
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Nishi N, Hirano Y, Motokawa T, Kakiuchi T. Ultraslow relaxation of the structure at the ionic liquid|gold electrode interface to a potential step probed by electrochemical surface plasmon resonance measurements: asymmetry of the relaxation time to the potential-step direction. Phys Chem Chem Phys 2013; 15:11615-9. [DOI: 10.1039/c3cp51463c] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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12
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An Q, Brinkmann J, Huskens J, Krabbenborg S, de Boer J, Jonkheijm P. A Supramolecular System for the Electrochemically Controlled Release of Cells. Angew Chem Int Ed Engl 2012; 51:12233-7. [DOI: 10.1002/anie.201205651] [Citation(s) in RCA: 112] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2012] [Indexed: 12/22/2022]
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13
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An Q, Brinkmann J, Huskens J, Krabbenborg S, de Boer J, Jonkheijm P. A Supramolecular System for the Electrochemically Controlled Release of Cells. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201205651] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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14
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Huang Y, Pitter MC, Somekh MG. Time-dependent scattering of ultrathin gold film under potential perturbation. ACS APPLIED MATERIALS & INTERFACES 2012; 4:3829-3836. [PMID: 22809099 DOI: 10.1021/am301231m] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Shifts of the plasmon scattering band of ultrathin gold films under the effect of dynamic applied potential were studied in single wavelength measurements. The effect on scattering of applied potential was ascribed to electronic charging and discharging of the gold film. Scattering transients in response to square-wave potential modulation had an exponential form which depended on the potential step width, the modulation frequency and the nature of the ions. The presence of an AC signal component induced by ±10 mV potential modulated at 2 kHz indicated the capability of very thin gold film to respond to high frequency voltage.
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Affiliation(s)
- Yu Huang
- IBIOS, Department of Electrical and Electronic Engineering, University of Nottingham, NG7 2RD, United Kingdom.
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15
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Dahlin AB, Zahn R, Vörös J. Nanoplasmonic sensing of metal-halide complex formation and the electric double layer capacitor. NANOSCALE 2012; 4:2339-2351. [PMID: 22374047 DOI: 10.1039/c2nr11950a] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Many nanotechnological devices are based on implementing electrochemistry with plasmonic nanostructures, but these systems are challenging to understand. We present a detailed study of the influence of electrochemical potentials on plasmon resonances, in the absence of surface coatings and redox active molecules, by synchronized voltammetry and spectroscopy. The experiments are performed on gold nanodisks and nanohole arrays in thin gold films, which are fabricated by improved methods. New insights are provided by high resolution spectroscopy and variable scan rates. Furthermore, we introduce new analytical models in order to understand the spectral changes quantitatively. In contrast to most previous literature, we find that the plasmonic signal is caused almost entirely by the formation of ionic complexes on the metal surface, most likely gold chloride in this study. The refractometric sensing effect from the ions in the electric double layer can be fully neglected, and the charging of the metal gives a surprisingly small effect for these systems. Our conclusions are consistent for both localized nanoparticle plasmons and propagating surface plasmons. We consider the results in this work especially important in the context of combined electrochemical and optical sensors.
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Affiliation(s)
- Andreas B Dahlin
- Dept. of Applied Physics, Chalmers University of Technology, Gothenburg, Sweden.
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16
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Electrochemical plasmonic sensors. Anal Bioanal Chem 2011; 402:1773-84. [DOI: 10.1007/s00216-011-5404-6] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2011] [Revised: 08/17/2011] [Accepted: 09/06/2011] [Indexed: 10/17/2022]
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17
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Yeh WH, Petefish JW, Hillier AC. Diffraction-Based Tracking of Surface Plasmon Resonance Enhanced Transmission Through a Gold-Coated Grating. Anal Chem 2011; 83:6047-53. [DOI: 10.1021/ac201096f] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Wei-Hsun Yeh
- Department of Chemical and Biological Engineering, Iowa State University, Ames, Iowa 50011, United States
| | - Joseph W. Petefish
- Department of Chemical and Biological Engineering, Iowa State University, Ames, Iowa 50011, United States
| | - Andrew C. Hillier
- Department of Chemical and Biological Engineering, Iowa State University, Ames, Iowa 50011, United States
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18
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Takei A, Matsumoto K, Shomoyama I. Capillary motor driven by electrowetting. LAB ON A CHIP 2010; 10:1781-1786. [PMID: 20422070 DOI: 10.1039/c001211d] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
A micro-structure supported on a droplet is subjected to capillary force and aligned dependent on its shape. If the droplet's boundary conditions at the bottom and the micro-structure are non-circular, capillary torque is exerted on the structures. The direction of torque is determined by the boundary conditions and the position of the structure. By changing the boundary conditions continuously, rotational motion of a plate was achieved. The boundary conditions of the droplet were controlled by electrowetting. We patterned electrodes in an annular shape on the plate supporting the droplet. By changing the voltage-applied electrodes, the boundary conditions were changed and the plate is rotated. The droplet and the plate worked as a capillary motor with this method. We report the relationship between the characteristics of the capillary motor and its rotational motion. We sandwiched a 3.0-microL water droplet between two plates and achieved a rotational motion of 720 rpm at maximum.
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Affiliation(s)
- Atsushi Takei
- Department of Mechano-Informatics, Graduate School of Information Science and Technology, The University of Tokyo, Japan
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19
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Davis BW, Linman MJ, Linley KS, Hare CD, Cheng Q. Unobstructed electron transfer on porous polyelectrolyte nanostructures and its characterization by electrochemical surface plasmon resonance. Electrochim Acta 2010. [DOI: 10.1016/j.electacta.2010.02.088] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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20
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Yeh WH, Kleingartner J, Hillier AC. Wavelength Tunable Surface Plasmon Resonance-Enhanced Optical Transmission Through a Chirped Diffraction Grating. Anal Chem 2010; 82:4988-93. [DOI: 10.1021/ac100497w] [Citation(s) in RCA: 42] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Wei-Hsun Yeh
- Department of Chemical and Biological Engineering, Iowa State University, Ames, Iowa 50011
| | - Justin Kleingartner
- Department of Chemical and Biological Engineering, Iowa State University, Ames, Iowa 50011
| | - Andrew C. Hillier
- Department of Chemical and Biological Engineering, Iowa State University, Ames, Iowa 50011
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21
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Sannomiya T, Dermutz H, Hafner C, Vörös J, Dahlin AB. Electrochemistry on a localized surface plasmon resonance sensor. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2010; 26:7619-7626. [PMID: 20020724 DOI: 10.1021/la9042342] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Abstract
The optical signal of a localized surface plasmon resonance (LSPR)-based sensor combined with electrochemistry was investigated. Gold nanoparticles were immobilized on an indium tin oxide (ITO) substrate, which functioned as working electrode. Using cyclic voltammetry synchronized with LSPR sensing, surface reactions on gold were detected both electrically and optically. In the capacitive charging regime, optical signals linear to the applied potential were detected. Gold was found to be dissolved above the oxidation potential and partially redeposited during the reduction, which changed size and conformation of the gold nanoparticles. In kinetic measurements, slower potential establishment was observed at lower salt concentrations. Simulations by multiple multipole program (MMP) suggested the formation of a lossy layer by combination of charge depletion of gold and negative ion adsorption even below the reaction potential. We consider the results presented here of importance for any future sensors based on combined plasmonics and electrochemistry.
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Affiliation(s)
- Takumi Sannomiya
- Laboratory of Biosensors and Bioelectronics, Department of Information Technology and Electrical Engineering, ETH Zürich, Zürich, Switzerland
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22
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Munoz RA, Toma SH, Toma HE, Araki K, Angnes L. Investigation of interfacial processes at tetraruthenated zinc porphyrin films using electrochemical surface plasmon resonance and electrochemical quartz crystal microbalance. Electrochim Acta 2009. [DOI: 10.1016/j.electacta.2008.12.020] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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23
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Wan J, Thomas MS, Guthrie S, Vullev VI. Surface-bound proteins with preserved functionality. Ann Biomed Eng 2009; 37:1190-205. [PMID: 19308733 DOI: 10.1007/s10439-009-9673-6] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2007] [Accepted: 03/09/2009] [Indexed: 12/28/2022]
Abstract
Biocompatibility of materials strongly depends on their surface properties. Therefore, surface derivatization in a controllable manner provides means for achieving interfaces essential for a broad range of chemical, biological, and medical applications. Bioactive interfaces, while manifesting the activity for which they are designed, should suppress all nonspecific interaction between the supporting substrates and the surrounding media. This article describes a procedure for chemical derivatization of glass and silicon surfaces with polyethylene glycol (PEG) layers covalently functionalized with proteins. While the proteins introduce the functionality to the surfaces, the PEGs provide resistance against nonspecific interactions. For formation of aldehyde-functionalized surfaces, we coated the substrates with acetals (i.e., protected aldehydes). To avoid deterioration of the surfaces, we did not use strong mineral acids for the deprotection of the aldehydes. Instead, we used a relatively weak Lewis acid for conversion of the acetals into aldehydes. Introduction of alpha,omega-bifunctional polymers into the PEG layers, bound to the aldehydes, allowed us to covalently attach green fluorescent protein and bovine carbonic anhydrase to the surfaces. Spectroscopic studies indicated that the surface-bound proteins preserve their functionalities. The surface concentrations of the proteins, however, did not manifest linear proportionality to the molar fractions of the bifunctional PEGs used for the coatings. This finding suggests that surface-loading ratios cannot be directly predicted from the compositions of the solutions of competing reagents used for chemical derivatization.
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Affiliation(s)
- Jiandi Wan
- Department of Bioengineering, University of California, Riverside, A-220 Bourns Hall, Riverside, CA 92521, USA
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24
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Spectroscopy at Electrochemical Interfaces. SURF INTERFACE ANAL 2009. [DOI: 10.1007/978-3-540-49829-2_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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25
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Editorial for Biointerphases in focus: surface plasmon resonance-plasmonics. Biointerphases 2008; 3:FD1-2. [PMID: 20408694 DOI: 10.1116/1.3058610] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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26
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Yao J, Stewart ME, Maria J, Lee TW, Gray SK, Rogers JA, Nuzzo RG. Seeing molecules by eye: surface plasmon resonance imaging at visible wavelengths with high spatial resolution and submonolayer sensitivity. Angew Chem Int Ed Engl 2008; 47:5013-7. [PMID: 18512212 DOI: 10.1002/anie.200800501] [Citation(s) in RCA: 60] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Jimin Yao
- Department of Chemistry, University of Illinois, South Mathews Avenue, Urbana, IL 61801, USA
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27
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Manesse M, Sanjines R, Stambouli V, Boukherroub R, Szunerits S. Preparation and characterization of antimony-doped SnO2 thin films on gold and silver substrates for electrochemical and surface plasmon resonance studies. Electrochem commun 2008. [DOI: 10.1016/j.elecom.2008.04.036] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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28
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Yao J, Stewart M, Maria J, Lee TW, Gray S, Rogers J, Nuzzo R. Seeing Molecules by Eye: Surface Plasmon Resonance Imaging at Visible Wavelengths with High Spatial Resolution and Submonolayer Sensitivity. Angew Chem Int Ed Engl 2008. [DOI: 10.1002/ange.200800501] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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29
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30
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Kan T, Binh-Khiem N, Matsumoto K, Shimoyama I. Tunable SPR coupler by flexible polymer grating. ACTA ACUST UNITED AC 2008. [DOI: 10.1109/memsys.2008.4443771] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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31
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Wain AJ, Do HNL, Mandal HS, Kraatz HB, Zhou F. The Influence of Molecular Dipole Moment on the Redox-Induced Reorganization of α-Helical Peptide Self-Assembled Monolayers: An Electrochemical SPR Investigation. THE JOURNAL OF PHYSICAL CHEMISTRY. C, NANOMATERIALS AND INTERFACES 2008; 112:14519. [PMID: 18949053 PMCID: PMC2570745 DOI: 10.1021/jp804643c] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Self-assembled monolayers (SAMs) of ferrocene-labeled α-helical peptides were prepared on gold surfaces and studied using electrochemical surface plasmon resonance (EC-SPR). The leucine-rich peptides were synthesized with a cysteine sulfhydryl group either at the C- or N-terminus, enabling their immobilization onto gold surfaces with control of the direction of the molecular dipole moment. Two electroactive SAMs were studied, one in which all of the peptide dipole moments are oriented in the same direction (SAM1), and the other in which the peptide dipole moment of one peptide is aligned in the opposite direction to that of its surrounding peptide molecules (SAM2). Cyclic voltammetry combined with SPR measurements revealed that SAM reorientations concomitant with the oxidation of the ferrocene label were more significant in SAM2 than in SAM1. The substantially greater change in the peptide film thickness in the case of SAM2 is attributed to the electrostatic repulsion between the electrogenerated ferrocinium moiety and the positively charged gold surface. The greater permeability of SAM1 to electrolyte anions, on the other hand, appears to effectively neutralize this electrostatic repulsion. The film thickness change in SAM2 was estimated to be 0.25 ± 0.05 nm using numerical simulation. The timescale of the redox-induced SPR changes was established by chronoamperometry and time-resolved SPR measurements, followed by fitting of the SPR response to a stretched exponential function. The time constants measured for the anodic process were 16 and 6 ms for SAM1 and SAM2 respectively, indicating that the SAM thickness changes are notably fast.
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Affiliation(s)
- Andrew J. Wain
- Department of Chemistry and Biochemistry, California State University Los Angeles, Los Angeles, California 90032
| | - Huy N. L. Do
- Department of Chemistry and Biochemistry, California State University Los Angeles, Los Angeles, California 90032
| | - Himadri S. Mandal
- Department of Chemistry, University of Western Ontario, London, ON N6A 5B7, Canada
| | | | - Feimeng Zhou
- Department of Chemistry and Biochemistry, California State University Los Angeles, Los Angeles, California 90032
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Manesse M, Stambouli V, Boukherroub R, Szunerits S. Electrochemical impedance spectroscopy and surface plasmon resonance studies of DNA hybridization on gold/SiOx interfaces. Analyst 2008; 133:1097-103. [DOI: 10.1039/b804825h] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Gondran C, Dubois MP, Fort S, Cosnier S, Szunerits S. Detection of carbohydrate-binding proteins by oligosaccharide-modified polypyrrole interfaces using electrochemical surface plasmon resonance. Analyst 2007; 133:206-12. [PMID: 18227943 DOI: 10.1039/b714717a] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This paper reports on the use of electrochemical surface plasmon resonance (E-SPR) for the detection of carbohydrate-binding proteins. The generation of an SPR sensor specific to lectins Arachis hypogaea (PNA) and Maackia amurensis (MAA) is based on the electrochemical polymerization of oligosaccharide derivatives functionalized by pyrrole groups. The resulting thin conducting polymer films were characterized using E-SPR and atomic force microscopy (AFM). The specific binding of PNA to polypyrrole-lactosyl and of MAA to polypyrrole-3'-sialyllactosyl films was investigated using SPR. The detection limit was 41 nM for PNA and 83 nM for MAA. Through Scatchard analysis and linear transformation of the SPR sensorgram data, association (k(ass)) and dissociation rate constants (k(diss)) could be determined.
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Affiliation(s)
- Chantal Gondran
- Département de Chimie moléculaire (UMR-CNRS-5250), Institut de Chimie Moléculaire de Grenoble (FR-CNRS 2607), Université Joseph Fourier, BP 53, Grenoble Cedex 9, France
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