1
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Lipok M, Obstarczyk P, Żak A, Olesiak-Bańska J. Single Gold Nanobipyramids Sensing the Chirality of Amyloids. J Phys Chem Lett 2023; 14:11084-11091. [PMID: 38051220 DOI: 10.1021/acs.jpclett.3c02762] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
Plasmonic nanoparticles, due to their sensitivity to small changes in their closest environment and plasmon resonance, can sense the chirality of the surrounding molecules. Therefore, plasmonic nanoparticles can be applied as a next-generation biosensor for peptides or proteins. In this work, we explore the interaction between chiral, ordered protein aggregates (amyloids) and small gold nanobipyramids. We show how the morphology, structure, and chiroptical properties of amyloids induce circular dichroism in the plasmon resonance wavelengths from individual plasmonic nanoparticles upon binding to the chiral amyloid template. Moreover, using the data from microscopic and spectroscopic analyses of formed heterostructures, we propose the most probable mechanism behind the induction of chirality in this system and discuss which specific feature of insulin protein aggregates is sensed by nanobipyramids.
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Affiliation(s)
- Maciej Lipok
- Institute of Advanced Materials, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Patryk Obstarczyk
- Institute of Advanced Materials, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Andrzej Żak
- Institute of Advanced Materials, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
| | - Joanna Olesiak-Bańska
- Institute of Advanced Materials, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland
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2
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Friedrich RP, Kappes M, Cicha I, Tietze R, Braun C, Schneider-Stock R, Nagy R, Alexiou C, Janko C. Optical Microscopy Systems for the Detection of Unlabeled Nanoparticles. Int J Nanomedicine 2022; 17:2139-2163. [PMID: 35599750 PMCID: PMC9115408 DOI: 10.2147/ijn.s355007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2022] [Accepted: 03/27/2022] [Indexed: 12/01/2022] Open
Abstract
Label-free detection of nanoparticles is essential for a thorough evaluation of their cellular effects. In particular, nanoparticles intended for medical applications must be carefully analyzed in terms of their interactions with cells, tissues, and organs. Since the labeling causes a strong change in the physicochemical properties and thus also alters the interactions of the particles with the surrounding tissue, the use of fluorescently labeled particles is inadequate to characterize the effects of unlabeled particles. Further, labeling may affect cellular uptake and biocompatibility of nanoparticles. Thus, label-free techniques have been recently developed and implemented to ensure a reliable characterization of nanoparticles. This review provides an overview of frequently used label-free visualization techniques and highlights recent studies on the development and usage of microscopy systems based on reflectance, darkfield, differential interference contrast, optical coherence, photothermal, holographic, photoacoustic, total internal reflection, surface plasmon resonance, Rayleigh light scattering, hyperspectral and reflectance structured illumination imaging. Using these imaging modalities, there is a strong enhancement in the reliability of experiments concerning cellular uptake and biocompatibility of nanoparticles, which is crucial for preclinical evaluations and future medical applications.
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Affiliation(s)
- Ralf P Friedrich
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, Erlangen, 91054, Germany
| | - Mona Kappes
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, Erlangen, 91054, Germany
| | - Iwona Cicha
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, Erlangen, 91054, Germany
| | - Rainer Tietze
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, Erlangen, 91054, Germany
| | - Christian Braun
- Institute of Legal Medicine, Ludwig-Maximilians-Universität München, München, 80336, Germany
| | - Regine Schneider-Stock
- Experimental Tumor Pathology, Institute of Pathology, University Hospital, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, 91054, Germany
| | - Roland Nagy
- Department Elektrotechnik-Elektronik-Informationstechnik (EEI), Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, 91058, Germany
| | - Christoph Alexiou
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, Erlangen, 91054, Germany
| | - Christina Janko
- Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, Erlangen, 91054, Germany
- Correspondence: Christina Janko, Department of Otorhinolaryngology, Head and Neck Surgery, Section of Experimental Oncology and Nanomedicine (SEON), Else Kröner-Fresenius-Stiftung Professorship, Universitätsklinikum Erlangen, Glückstrasse 10a, Erlangen, 91054, Germany, Tel +49 9131 85 33142, Fax +49 9131 85 34808, Email
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3
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Filbrun SL, Zhao F, Chen K, Huang TX, Yang M, Cheng X, Dong B, Fang N. Imaging Dynamic Processes in Multiple Dimensions and Length Scales. Annu Rev Phys Chem 2022; 73:377-402. [PMID: 35119943 DOI: 10.1146/annurev-physchem-090519-034100] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Optical microscopy has become an invaluable tool for investigating complex samples. Over the years, many advances to optical microscopes have been made that have allowed us to uncover new insights into the samples studied. Dynamic changes in biological and chemical systems are of utmost importance to study. To probe these samples, multidimensional approaches have been developed to acquire a fuller understanding of the system of interest. These dimensions include the spatial information, such as the three-dimensional coordinates and orientation of the optical probes, and additional chemical and physical properties through combining microscopy with various spectroscopic techniques. In this review, we survey the field of multidimensional microscopy and provide an outlook on the field and challenges that may arise. Expected final online publication date for the Annual Review of Physical Chemistry, Volume 73 is April 2022. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
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Affiliation(s)
- Seth L Filbrun
- Department of Chemistry, Georgia State University, Atlanta, Georgia, USA
| | - Fei Zhao
- Department of Chemistry, Georgia State University, Atlanta, Georgia, USA
| | - Kuangcai Chen
- Department of Chemistry, Georgia State University, Atlanta, Georgia, USA.,Imaging Core Facility, Georgia State University, Atlanta, Georgia, USA
| | - Teng-Xiang Huang
- Department of Chemistry, Georgia State University, Atlanta, Georgia, USA
| | - Meek Yang
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas, USA;
| | - Xiaodong Cheng
- The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, State Key Laboratory of Physical Chemistry of Solid Surfaces, Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen Key Laboratory of Analytical Molecular Nanotechnology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian, China; ,
| | - Bin Dong
- Department of Chemistry and Biochemistry, University of Arkansas, Fayetteville, Arkansas, USA;
| | - Ning Fang
- The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, State Key Laboratory of Physical Chemistry of Solid Surfaces, Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province (IKKEM), Xiamen Key Laboratory of Analytical Molecular Nanotechnology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian, China; ,
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4
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A visible and near-infrared light dual responsive "signal-off" and "signal-on" photoelectrochemical aptasensor for prostate-specific antigen. Biosens Bioelectron 2021; 202:113905. [PMID: 35033829 DOI: 10.1016/j.bios.2021.113905] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 12/14/2021] [Accepted: 12/19/2021] [Indexed: 02/08/2023]
Abstract
A visible and near-infrared light dual responsive "signal-off" and "signal-on" photoelectrochemical aptasensor was constructed for determining prostate-specific antigen (PSA) based on MoS2 nanoflowers and gold nanobipyramids. The dual responsive photoelectrochemical aptasensor can provide accurate results for PSA determination. For the photoelectrochemical aptasensor fabrication, amino-group functionalized aptamers were immobilized on a MoS2 nanoflowers modified glassy carbon electrode surface for the specific recognition, and thus to achieve a "signal-off" aptasensor for PSA under visible light illumination. Subsequently, gold nanobipyramids integrated with thiol-functional aptamer were introduced to the "signal-off" aptasensing interface after PSA recognition. Under excitation with near-infrared light at 808 nm, the photocurrent response can be amplified significantly due to the excellent conductivity and local surface plasmon resonance effect of gold nanobipyramids, thus to producing a "signal-on" model for determining PSA. Under the optimized conditions, the dual-responsive photoelectrochemical aptasensor shows a linear response to the logarithm of PSA concentration in the range of 0.005-100 ng/mL. The detection limits for PSA determination with a "signal-off" or a "signal-on" mode are 1.75 pg mL-1 and 0.39 pg mL-1, respectively. The dual-responsive photoelectrochemical aptasensor was also employed for determining PSA in clinical serum samples with satisfactory selectivity and excellent accuracy.
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5
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Ferreira-Gonçalves T, Ferreira D, Ferreira HA, Reis CP. Nanogold-based materials in medicine: from their origins to their future. Nanomedicine (Lond) 2021; 16:2695-2723. [PMID: 34879741 DOI: 10.2217/nnm-2021-0265] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
The properties of gold-based materials have been explored for centuries in several research fields, including medicine. Multiple published production methods for gold nanoparticles (AuNPs) have shown that the physicochemical and optical properties of AuNPs depend on the production method used. These different AuNP properties have allowed exploration of their usefulness in countless distinct biomedical applications over the last few years. Here we present an extensive overview of the most commonly used AuNP production methods, the resulting distinct properties of the AuNPs and the potential application of these AuNPs in diagnostic and therapeutic approaches in biomedicine.
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Affiliation(s)
- Tânia Ferreira-Gonçalves
- Research Institute for Medicines (iMed.ULisboa), Department of Pharmacy, Pharmacology and Health Technologies (DFFTS), Faculty of Pharmacy, Universidade de Lisboa, Av. Professor Gama Pinto, Lisboa, 1649-003, Portugal
| | - David Ferreira
- Comprehensive Health Research Centre (CHRC), Departamento de Desporto e Saúde, Escola de Saúde e Desenvolvimento Humano, Universidade de Évora, Largo dos Colegiais, Évora, 7000, Portugal
| | - Hugo A Ferreira
- Instituto de Biofísica e Engenharia Biomédica (IBEB), Faculdade de Ciências, Universidade de Lisboa, Campo Grande, Lisboa, 1749-016, Portugal
| | - Catarina P Reis
- Research Institute for Medicines (iMed.ULisboa), Department of Pharmacy, Pharmacology and Health Technologies (DFFTS), Faculty of Pharmacy, Universidade de Lisboa, Av. Professor Gama Pinto, Lisboa, 1649-003, Portugal.,Instituto de Biofísica e Engenharia Biomédica (IBEB), Faculdade de Ciências, Universidade de Lisboa, Campo Grande, Lisboa, 1749-016, Portugal
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6
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Tadimety A, Wu Z, Molinski JH, Beckerman R, Jin C, Zhang L, Palinski TJ, Zhang JXJ. Rational design of on-chip gold plasmonic nanoparticles towards ctDNA screening. Sci Rep 2021; 11:14185. [PMID: 34244556 PMCID: PMC8270934 DOI: 10.1038/s41598-021-93207-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 05/31/2021] [Indexed: 11/23/2022] Open
Abstract
This paper demonstrates the design, synthesis, simulation, and testing of three distinct geometries of plasmonic gold nanoparticles for on-chip DNA screening towards liquid biopsy. By employing a seed-mediated growth method, we have synthesized gold nanospheres, nanorods, and nanobipyramids. In parallel, we developed numerical simulations to understand the effects of nanoparticle geometry on the resonance features and refractive index sensitivity. Both experimental and simulation results were compared through a series of studies including in-solution and on-chip tests. We have thoroughly characterized the impact of nanoparticle geometry on the sensitivity to circulating tumor DNA, with immediate implications for liquid biopsy. The results agree well with theoretical predictions and simulations, including both bulk refractive index sensitivity and thin film sensitivity. Importantly, this work quantitatively establishes the link between nanoparticle geometry and efficacy in detecting rare circulating biomarkers. The nanobipyramids provided the highest sensitivity, approximately doubling the sensitivity compared to nanorods. To the best of our knowledge this is the first report carrying through geometric effects of simulation to clinically relevant biosensing. We put forth here synthesis and testing of three nanoparticle geometries, and a framework for both experimental and theoretical validation of plasmonic sensitivities towards liquid biopsy.
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Affiliation(s)
- Amogha Tadimety
- Thayer School of Engineering, Dartmouth College, Hanover, 03755, USA
| | - Ziqian Wu
- Thayer School of Engineering, Dartmouth College, Hanover, 03755, USA
| | - John H Molinski
- Thayer School of Engineering, Dartmouth College, Hanover, 03755, USA
| | - Russell Beckerman
- Thayer School of Engineering, Dartmouth College, Hanover, 03755, USA
| | - Congran Jin
- Thayer School of Engineering, Dartmouth College, Hanover, 03755, USA
| | - Lauren Zhang
- The Lawrenceville School, Lawrenceville, 08648, USA
| | | | - John X J Zhang
- Thayer School of Engineering, Dartmouth College, Hanover, 03755, USA.
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7
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Si P, Razmi N, Nur O, Solanki S, Pandey CM, Gupta RK, Malhotra BD, Willander M, de la Zerda A. Gold nanomaterials for optical biosensing and bioimaging. NANOSCALE ADVANCES 2021; 3:2679-2698. [PMID: 36134176 PMCID: PMC9418567 DOI: 10.1039/d0na00961j] [Citation(s) in RCA: 47] [Impact Index Per Article: 15.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 03/12/2021] [Indexed: 05/03/2023]
Abstract
Gold nanoparticles (AuNPs) are highly compelling nanomaterials for biomedical studies due to their unique optical properties. By leveraging the versatile optical properties of different gold nanostructures, the performance of biosensing and biomedical imaging can be dramatically improved in terms of their sensitivity, specificity, speed, contrast, resolution and penetration depth. Here we review recent advances of optical biosensing and bioimaging techniques based on three major optical properties of AuNPs: surface plasmon resonance, surface enhanced Raman scattering and luminescence. We summarize the fabrication methods and optical properties of different types of AuNPs, highlight the emerging applications of these AuNPs for novel optical biosensors and biomedical imaging innovations, and discuss the future trends of AuNP-based optical biosensors and bioimaging as well as the challenges of implementing these techniques in preclinical and clinical investigations.
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Affiliation(s)
- Peng Si
- Department of Structural Biology, Stanford University California 94305 USA
| | - Nasrin Razmi
- Department of Science and Technology, Physics and Electronics, Linköping University SE-60174 Norrköping Sweden
| | - Omer Nur
- Department of Science and Technology, Physics and Electronics, Linköping University SE-60174 Norrköping Sweden
| | - Shipra Solanki
- Department of Biotechnology, Delhi Technological University Shahbad Daulatpur Delhi 110042 India
- Department of Applied Chemistry, Delhi Technological University Shahbad Daulatpur Delhi 110042 India
| | - Chandra Mouli Pandey
- Department of Applied Chemistry, Delhi Technological University Shahbad Daulatpur Delhi 110042 India
| | - Rajinder K Gupta
- Department of Applied Chemistry, Delhi Technological University Shahbad Daulatpur Delhi 110042 India
| | - Bansi D Malhotra
- Department of Biotechnology, Delhi Technological University Shahbad Daulatpur Delhi 110042 India
| | - Magnus Willander
- Department of Science and Technology, Physics and Electronics, Linköping University SE-60174 Norrköping Sweden
| | - Adam de la Zerda
- Department of Structural Biology, Stanford University California 94305 USA
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8
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Kim GW, Ha JW. Single gold nanostars with multiple branches as multispectral orientation probes in single-particle rotational tracking. Chem Commun (Camb) 2021; 57:3263-3266. [PMID: 33650610 DOI: 10.1039/d1cc00731a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein, we performed a single-particle correlation study to characterize the optical properties of gold nanostars (AuNSs) with multiple sharp branches under dark-field (DF) and differential interference contrast (DIC) microscopy, and to examine their use as multispectral orientation probes. We presented the polarization-dependent, periodic DIC images and intensities of single AuNSs at their localized surface plasmon resonance (LSPR) wavelengths with high sensitivity. Furthermore, we demonstrated that single AuNSs protrude multiple branches that can be used as individual sensors with DIC polarization anisotropy. Thus, unlike conventional Au nanorod (AuNR) probes, single AuNSs were presented as multispectral optical sensors that can provide detailed information such as rotational motions and rotational speeds at different branches of their star-like structure in dynamic environments.
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Affiliation(s)
- Geun Wan Kim
- Advanced Nano-Bio-Imaging and Spectroscopy Laboratory, Department of Chemistry, University of Ulsan, 93 Daehak-ro, Nam-gu, Ulsan 44610, Republic of Korea.
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9
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Vu NC, Ouzit Z, Lethiec C, Maître A, Coolen L, Lerouge F, Laverdant J. Single Gold Bipyramid Nanoparticle Orientation Measured by Plasmon-Resonant Scattering Polarimetry. J Phys Chem Lett 2021; 12:752-757. [PMID: 33405931 DOI: 10.1021/acs.jpclett.0c03395] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The 3D orientation of a single gold nanoparticle is probed experimentally by light scattering polarimetry. We choose high-quality gold bipyramids (AuBPs) that support around 700 nm a well-defined narrow longitudinal localized surface plasmonic resonance (LSPR) which can be considered as a linear radiating dipole. A specific spectroscopic dark-field technique was used to control the collection angles of the scattered light. The in-plane as well as the out-of-plane angles are determined by analyzing the polarization of the scattered radiation. The data are compared with a previously developed model where the environment and the angular collection both play crucial roles. We show that most of the single AuBPs present an out-of-plane orientation consistent with their geometry. Finally, the fundamental role of the collection angles on the determination of the orientation is investigated for the first time. Several features are then deduced: we validate the choice of the analytical 1D model, an accurate 3D orientation is obtained, and the critical contribution of the evanescent waves is highlighted.
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Affiliation(s)
- Nhung C Vu
- Institut Lumière Matière, Université Claude Bernard Lyon 1, CNRS, Universite' de Lyon, F-69622 Villeurbanne, France
| | - Zakarya Ouzit
- CNRS, Institut de NanoSciences de Paris, INSP, Sorbonne Université, F-75005 Paris, France
| | - Clotilde Lethiec
- CNRS, Institut de NanoSciences de Paris, INSP, Sorbonne Université, F-75005 Paris, France
| | - Agnès Maître
- CNRS, Institut de NanoSciences de Paris, INSP, Sorbonne Université, F-75005 Paris, France
| | - Laurent Coolen
- CNRS, Institut de NanoSciences de Paris, INSP, Sorbonne Université, F-75005 Paris, France
| | - Frédéric Lerouge
- Laboratoire de Chimie UMR 5182, Univ Lyon, Ens de Lyon, CNRS, Université Lyon 1, F-69342 Lyon, France
| | - Julien Laverdant
- Institut Lumière Matière, Université Claude Bernard Lyon 1, CNRS, Universite' de Lyon, F-69622 Villeurbanne, France
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10
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Kim GW, Kang SH, Ha JW. Characterizing the non-paraxial Talbot effect of two-dimensional periodic arrays of plasmonic gold nanodisks by differential interference contrast microscopy. Analyst 2020; 145:7541-7545. [DOI: 10.1039/d0an01544j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Exploiting the working principle of conventional differential interference contrast (DIC) microscopy, we experimentally investigate the non-paraxial Talbot effect of two-dimensional periodic arrays of gold nanodisks (AuNDs) with a periodicity ao comparable to the excitation wavelength λ.
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Affiliation(s)
- Geun Wan Kim
- Advanced Nano-Bio-Imaging and Spectroscopy Laboratory
- Department of Chemistry
- University of Ulsan
- Ulsan 44610
- Republic of Korea
| | - Seong Ho Kang
- Department of Applied Chemistry and Institute of Natural Sciences
- Kyung Hee University
- Gyeonggi-do 17104
- Republic of Korea
| | - Ji Won Ha
- Advanced Nano-Bio-Imaging and Spectroscopy Laboratory
- Department of Chemistry
- University of Ulsan
- Ulsan 44610
- Republic of Korea
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11
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Kim GW, Yoon S, Lee JH, Ha JW. High-throughput in-focus differential interference contrast imaging of three-dimensional orientations of single gold nanorods coated with a mesoporous silica shell. RSC Adv 2020; 10:29868-29872. [PMID: 35518257 PMCID: PMC9056269 DOI: 10.1039/d0ra04704j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 08/02/2020] [Indexed: 11/30/2022] Open
Abstract
Plasmonic gold nanorods (AuNRs) have been widely applied as optical orientation probes in many biophysical studies. However, characterizing the various three-dimensional (3D) orientations of AuNRs in the same focal plane of the objective lens is a challenging task. To overcome this challenge, we fabricated single AuNRs (10 nm × 30 nm) coated with either an elliptical or spherical mesoporous silica shell (AuNRs@mSiO2). Unlike bare AuNRs and elliptical AuNRs@mSiO2, spherical AuNRs@mSiO2 contained randomly oriented AuNR cores in 3D space, which could be observed on the same focal plane within a single frame by differential interference contrast (DIC) microscopy. The spherical AuNRs@mSiO2 thus achieved high-throughput detection. The proposed approach can overcome the limitations of the current gel-matrix method, which requires vertical scanning of the embedded AuNRs to capture different focal planes. Spherical AuNRs@mSiO2 have randomly oriented AuNR cores in 3D space, which could be resolved on the same focal plane by interference-based DIC microscopy.![]()
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Affiliation(s)
- Geun Wan Kim
- Department of Chemistry
- University of Ulsan
- Ulsan 44610
- Republic of Korea
- Energy Harvest-Storage Research Center (EHSRC)
| | - Seokyoung Yoon
- SKKU Advanced Institute of Nanotechnology (SAINT)
- Research Center for Advanced Materials Technology
- Sungkyunkwan University (SKKU)
- Suwon
- Republic of Korea
| | - Jung Heon Lee
- SKKU Advanced Institute of Nanotechnology (SAINT)
- Research Center for Advanced Materials Technology
- Sungkyunkwan University (SKKU)
- Suwon
- Republic of Korea
| | - Ji Won Ha
- Department of Chemistry
- University of Ulsan
- Ulsan 44610
- Republic of Korea
- Energy Harvest-Storage Research Center (EHSRC)
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12
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Wu X, Mu L, Chen M, Liang S, Wang Y, She G, Shi W. Bifunctional Gold Nanobipyramids for Photothermal Therapy and Temperature Monitoring. ACS APPLIED BIO MATERIALS 2019; 2:2668-2675. [DOI: 10.1021/acsabm.9b00344] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Xueke Wu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lixuan Mu
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Min Chen
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Sen Liang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yuan Wang
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Guangwei She
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
| | - Wensheng Shi
- Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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13
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Torresan MF, Angelomé PC, Bazán-Díaz L, Velázquez-Salazar JJ, Mendoza-Cruz R, Iglesias RA, José-Yacamán M. Structural characterization of Au nano bipyramids: reshaping under thermal annealing, the capping agent effect and surface decoration with Pt. NANOTECHNOLOGY 2019; 30:205701. [PMID: 30673656 DOI: 10.1088/1361-6528/ab0144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Anisotropic gold nanoparticles offer potential applications due to their functionalities and shape-dependent properties. Reshaping noble metal nanoparticles is an interesting field with optical, surface-enhanced Raman spectroscopy, catalytic applications and potential application as a photothermic therapy. This work comprises a structural study on gold nano bipyramids (Au NBPs) and nanodumbbells, and the evolution of Au NBPs capped with cetyltrimethylammonium bromide and dodecanethiol through an in situ and ex situ heating process in high vacuum. Also, we study the reshaping of Au NBPs by the addition of Pt to study the surface modification and the strain generated on a single particle by geometric phase analysis.
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Affiliation(s)
- María Fernanda Torresan
- Instituto de Investigaciones en Fisicoquímica de Córdoba, Universidad Nacional de Córdoba, INFIQC CONICET, Departamento de Fisicoquímica, Facultad de Ciencias Químicas, Pabellón Argentina, Ala 1 Piso 2, Ciudad Universitaria, Córdoba 5000, Argentina. Gerencia Química-Centro Atómico Constituyentes, Comisión Nacional de Energía, Atómica, CONICET, Av. Gral. Paz 1499, B1650KNA San Martín, Buenos Aires, Argentina
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Lee SY, Ha JW. Effect of Linear Chain Lengths of 1‐Alkanethiols on Plasmon Damping of Single Gold Bipyramids with Sharp Tips. B KOREAN CHEM SOC 2019. [DOI: 10.1002/bkcs.11721] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- So Young Lee
- Advanced Nano‐Bio‐Imaging and Spectroscopy Laboratory, Department of ChemistryUniversity of Ulsan Ulsan 44610 South Korea
| | - Ji Won Ha
- Advanced Nano‐Bio‐Imaging and Spectroscopy Laboratory, Department of ChemistryUniversity of Ulsan Ulsan 44610 South Korea
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Lee SY, Tsalu PV, Kim GW, Seo MJ, Hong JW, Ha JW. Tuning Chemical Interface Damping: Interfacial Electronic Effects of Adsorbate Molecules and Sharp Tips of Single Gold Bipyramids. NANO LETTERS 2019; 19:2568-2574. [PMID: 30856334 DOI: 10.1021/acs.nanolett.9b00338] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
The optimization of the localized surface plasmon resonance (LSPR)-decaying channels of hot-electrons is essential for efficient optical and photochemical processes. Understanding and having the ability to control chemical interface damping (CID) channel contributions will bring about new possibilities for tuning the efficiency of plasmonic hot-electron energy transfer in artificial devices. In this scanning electron microscopy-correlated dark-field scattering study, the CID was controlled by focusing on the electronic nature of disubstituted benzene rings acting as adsorbates, as well as the effects of sharp tips on gold bipyramids (AuBPs) with similar aspect ratios to those of gold nanorods. The results showed that the sharp tips on single AuBPs, as well as the electronic effects of the adsorbate molecules, increase the interfacial contact between the nanoparticles and adsorbate molecules. Electron withdrawing groups (EWGs) on the adsorbates induce larger homogeneous LSPR line widths compared to those of electron donating groups (EDGs). Depending on the location (ortho, meta, and para) of the EDG, the effect of benzene rings with an EDG, which was considered to be induced by sulfur atoms bound to the nanoparticle surface, is weakened by the back transfer of electrons facilitated by the difference in the availability of the electrons of the EDG. Therefore, this study reports that the CID in the LSPR total decay channels can be tuned by controlling the electron withdrawing and electron donating features of adsorbate molecules with the surface topology of metal.
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Affiliation(s)
- So Young Lee
- Department of Chemistry , University of Ulsan , 93 Daehak-Ro , Nam-Gu, Ulsan 44610 , South Korea
| | - Philippe Vuka Tsalu
- Department of Chemistry , University of Ulsan , 93 Daehak-Ro , Nam-Gu, Ulsan 44610 , South Korea
| | - Geun Wan Kim
- Department of Chemistry , University of Ulsan , 93 Daehak-Ro , Nam-Gu, Ulsan 44610 , South Korea
| | - Min Jung Seo
- Department of Chemistry , University of Ulsan , 93 Daehak-Ro , Nam-Gu, Ulsan 44610 , South Korea
| | - Jong Wook Hong
- Department of Chemistry , University of Ulsan , 93 Daehak-Ro , Nam-Gu, Ulsan 44610 , South Korea
| | - Ji Won Ha
- Department of Chemistry , University of Ulsan , 93 Daehak-Ro , Nam-Gu, Ulsan 44610 , South Korea
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