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Jradi S, Zaarour L, Chehadi Z, Akil S, Plain J. Femtosecond Direct Laser-Induced Assembly of Monolayer of Gold Nanostructures with Tunable Surface Plasmon Resonance and High Performance Localized Surface Plasmon Resonance and Surface Enhanced Raman Scattering Sensing. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2018; 34:15763-15772. [PMID: 30481036 DOI: 10.1021/acs.langmuir.8b00413] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
We show femtosecond direct laser-induced assembly of gold nanostructures with plasmon resonance band variable as a function of laser irradiation in a wide range of visible wavelengths. A system of 2-photon lithography is used to achieve site-selectively controlled dewetting of a thin gold film into nanostructures in which size and shape are highly dependent on the laser power. Simultaneous measurements of localized surface plasmon resonance (LSPR) and surface enhanced Raman scattering (SERS) in the presence of various concentrations of trans-1,2-bis(4-pyridyl) ethylene (BPE) as target molecule are performed in order to highlight the relationship between structural dimensions, plasmonic effect, and detection activity. The resulting gold NPs exhibit high sensitivity as both LSPR and SERS sensors and allow the detection of picomolar concentrations of BPE with a SERS enhancement factor (SEF) of 1.33 × 109 and a linear detection range between 10-3 and 10-12 M.
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Affiliation(s)
- Safi Jradi
- Light Nanomaterials and Nanotechnologies (L2n former LNIO), Institut Charles Delaunay, CNRS , Université de Technologie de Troyes , 12 rue Marie Curie, CS 42060 , Troyes , 10004 , France
| | - Lama Zaarour
- Light Nanomaterials and Nanotechnologies (L2n former LNIO), Institut Charles Delaunay, CNRS , Université de Technologie de Troyes , 12 rue Marie Curie, CS 42060 , Troyes , 10004 , France
| | - Zeinab Chehadi
- Light Nanomaterials and Nanotechnologies (L2n former LNIO), Institut Charles Delaunay, CNRS , Université de Technologie de Troyes , 12 rue Marie Curie, CS 42060 , Troyes , 10004 , France
| | - Suzanna Akil
- Light Nanomaterials and Nanotechnologies (L2n former LNIO), Institut Charles Delaunay, CNRS , Université de Technologie de Troyes , 12 rue Marie Curie, CS 42060 , Troyes , 10004 , France
- Laboratoire de Chimie et Physique, Approche Multi-échelle des Milieux Complexes , Université de Lorraine , 1 boulevard Arago , Metz , 57070 , France
| | - Jérôme Plain
- Light Nanomaterials and Nanotechnologies (L2n former LNIO), Institut Charles Delaunay, CNRS , Université de Technologie de Troyes , 12 rue Marie Curie, CS 42060 , Troyes , 10004 , France
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Battie Y, Stchakovsky M, En Naciri A, Akil S, Chaoui N, Broch L. Ellipsometry of Colloidal Solutions: New Experimental Setup and Application to Metallic Colloids. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:7425-7434. [PMID: 28727434 DOI: 10.1021/acs.langmuir.7b00490] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
An ellipsometric cell is developed to simultaneously determine the shape distribution, the volume fraction, and the complex refractive index of gold and silver colloids. Simulation reveals that this cell drastically improves the detection limit of ellipsometry. Indeed, Ag and Au nanoparticles (NPs) are detected at the ppmv level. We demonstrate that the NPs shape distribution can be estimated from ellipsometric measurements by analyzing them with a shape distributed effective medium theory (SDEMT). The obtained distributions from ellipsometry are in agreement with those deduced from transmission electron microcopy (TEM). Contrary to TEM, ellipsometry probes a large number of NPs estimated at about 1011 NPs. Finally, we show that the complex refractive index of colloids as determined from ellipsometry is sensitive to the optical properties of the solvent and the plasmonic properties of NPs.
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Affiliation(s)
- Yann Battie
- LCP-A2MC, Institut Jean Barriol, Université de Lorraine, 1 Bd Arago, 57070 Metz, France
| | - Michel Stchakovsky
- Horiba Scientific , Avenue de la Vauve, Passage Jobin Yvon, 91120 Palaiseau, France
| | - Aotmane En Naciri
- LCP-A2MC, Institut Jean Barriol, Université de Lorraine, 1 Bd Arago, 57070 Metz, France
| | - Suzanna Akil
- LCP-A2MC, Institut Jean Barriol, Université de Lorraine, 1 Bd Arago, 57070 Metz, France
| | - Nouari Chaoui
- LCP-A2MC, Institut Jean Barriol, Université de Lorraine, 1 Bd Arago, 57070 Metz, France
| | - Laurent Broch
- LCP-A2MC, Institut Jean Barriol, Université de Lorraine, 1 Bd Arago, 57070 Metz, France
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Park JH, Byun JY, Mun H, Shim WB, Shin YB, Li T, Kim MG. A regeneratable, label-free, localized surface plasmon resonance (LSPR) aptasensor for the detection of ochratoxin A. Biosens Bioelectron 2014; 59:321-7. [PMID: 24747570 DOI: 10.1016/j.bios.2014.03.059] [Citation(s) in RCA: 98] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2013] [Revised: 03/26/2014] [Accepted: 03/27/2014] [Indexed: 10/25/2022]
Abstract
Binding of an analyte on the surface of a nanoparticle typically promotes a change in the local refractive index, which gives rise to a shift in the wavelength of the localized surface plasmon resonance (LSPR) absorption band. The magnitude of the LSPR wavelength change is dependent on both the location of the analyte relative to the surface of the nanoparticle and the degree of alteration of the refractive index. We have employed this phenomenon as the basis for designing a new, label-free approach for the detection of the toxic mold mycotoxin, ochratoxin A (OTA) that employs a gold nanorod (GNR) and an aptamer target binding mechanism. In this system, binding of OTA causes an accumulation of OTA and G-quadruplex structure of the aptamer. This process results in a longitudinal wavelength shift of the LSPR peak associated with a change in the local refractive index near the GNR surface. By using this method, OTA can be quantitatively detected at concentrations lower than 1 nM. In addition, the results of this effort show that aptamer functionalized GNR substrate is robust in that it can be regenerated for reuse over seven times by heating in methanol at 70 °C to remove OTA. Moreover, the proposed biosensor system exhibits high selectivity for OTA over other mycotoxins. Finally, the sensor can be employed to detect OTA in ground corn samples with excellent recovery levels.
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Affiliation(s)
- Jin-Ho Park
- Department of Chemistry, School of Physics and Chemistry, Gwangju Institute of Science and Technology (GIST), 261 Cheomdan-gwagiro, Gwangju 500-712, Republic of Korea
| | - Ju-Young Byun
- Department of Chemistry, School of Physics and Chemistry, Gwangju Institute of Science and Technology (GIST), 261 Cheomdan-gwagiro, Gwangju 500-712, Republic of Korea
| | - Hyoyoung Mun
- Department of Chemistry, School of Physics and Chemistry, Gwangju Institute of Science and Technology (GIST), 261 Cheomdan-gwagiro, Gwangju 500-712, Republic of Korea
| | - Won-Bo Shim
- Department of Chemistry, School of Physics and Chemistry, Gwangju Institute of Science and Technology (GIST), 261 Cheomdan-gwagiro, Gwangju 500-712, Republic of Korea
| | - Yong-Beom Shin
- Immune Therapy Research Center, Korea Research Institute of Bioscience & Biotechnology (KRIBB), 125 Gwahak-ro, Yuseong-gu, Daejeon 305-806, Republic of Korea
| | - Taihua Li
- Department of Chemistry, School of Physics and Chemistry, Gwangju Institute of Science and Technology (GIST), 261 Cheomdan-gwagiro, Gwangju 500-712, Republic of Korea
| | - Min-Gon Kim
- Department of Chemistry, School of Physics and Chemistry, Gwangju Institute of Science and Technology (GIST), 261 Cheomdan-gwagiro, Gwangju 500-712, Republic of Korea; Advanced Photonics Research Institute, Gwangju Institute of Science and Technology (GIST), 261 Cheomdan-gwagiro, Gwangju 500-712, Republic of Korea.
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Li Y, Jing C, Zhang L, Long YT. Resonance scattering particles as biological nanosensors in vitro and in vivo. Chem Soc Rev 2012; 41:632-42. [DOI: 10.1039/c1cs15143f] [Citation(s) in RCA: 148] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Akil-Jradi S, Jradi S, Plain J, Adam PM, Bijeon JL, Royer P, Bachelot R. Micro/nanoporous polymer chips as templates for highly sensitive SERS sensors. RSC Adv 2012. [DOI: 10.1039/c2ra21186f] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Zeng X, Jradi S, Proust J, Bachelot R, Zhang ZP, Royer P, Plain J. Direct functionalization of an optical fiber by a plasmonic nanosensor. OPTICS LETTERS 2011; 36:2919-2921. [PMID: 21808358 DOI: 10.1364/ol.36.002919] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
We explore a rapid route for fabricating silver nanoparticles (NPs) at the end of an optical fiber. The size and number of silver NPs can be controlled by varying the exposure doses. The effect of the refractive index of different solvents on the extinction spectra have been studied as a proof of concept of a fiber integrated plasmon-based sensor.
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Affiliation(s)
- X Zeng
- Laboratoire de Nanotechnologie et d’Instrumentation Optique, Université de technologie de Troyes, France
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