1
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Dziatko RA, Chintapalli SM, Song Y, Daskopoulou E, Kachman DE, Zander Z, Kuhn DL, Thon SM, Bragg AE. Tuning Optical Properties of Plasmonic Aerosols through Ligand-Solvent Interactions. J Phys Chem Lett 2024; 15:4117-4124. [PMID: 38591741 DOI: 10.1021/acs.jpclett.4c00499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/10/2024]
Abstract
Plasmonic nanoparticles are highly tunable light-harvesting materials with a wide array of applications in photonics and catalysis. More recently, there has been interest in using aerosolized plasmonic nanoparticles for cloud formation, airborne photocatalysts, and molecular sensors, all of which take advantage of the large scattering cross sections and the ability of these particles to support intense local field enhancement ("hot spots"). While extensive research has investigated properties of plasmonic particles in the solution phase, surfaces, and films, aerosolized plasmonics are relatively unexplored. Here, we demonstrate how the capping ligand, suspension solvent, and atomization conditions used for aerosol generation control the steady-state optical properties of aerosolized Silica@Au plasmonic nanoshells. Our experimental results, supported with spectral simulations, illustrate that ligand coverage and atomization conditions control the degree of solvent retention and thus the spectral characteristics and potential access to surfaces for catalysis in the aerosol phase, opening a new regime for tunable applications of plasmonic metamaterials.
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Affiliation(s)
- Rachel A Dziatko
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Sreyas M Chintapalli
- Department of Electrical and Computer Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Yuqi Song
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Eleni Daskopoulou
- Department of Electrical and Computer Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Dana E Kachman
- Department of Electrical and Computer Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Zachary Zander
- U.S. Army Combat Capabilities Development Command Chemical Biological Center, Aberdeen Proving Ground, Maryland 21010, United States
| | - Danielle L Kuhn
- U.S. Army Combat Capabilities Development Command Chemical Biological Center, Aberdeen Proving Ground, Maryland 21010, United States
| | - Susanna M Thon
- Department of Electrical and Computer Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
- Department of Materials Science and Engineering, Johns Hopkins University, Baltimore, Maryland 21218, United States
| | - Arthur E Bragg
- Department of Chemistry, Johns Hopkins University, Baltimore, Maryland 21218, United States
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2
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Lin Y, Wu K, Zhou X, Xia Y. Thiols Modulated Gold Nanorods Self-Assembly: Indirect Hydrophobic Effects Instead of Direct Electrostatic/Hydrogen Bonds Attraction. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024. [PMID: 38286810 DOI: 10.1021/acs.langmuir.3c03082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2024]
Abstract
For nanocrystals (NCs) self-assembly, understanding the chemical and supramolecular interactions among building blocks is significant for both fundamental scientific interests and rational nanosuperstructure construction. However, it has remained an extreme challenge for many self-assembly systems due to the lack of appropriately quantitative approaches for the corresponding exploration. Herein, by combination of the proposed colorimetric method for cationic surfactant quantitation and all-atom simulations, we manage to present a clear chemical picture for the thiol molecules modulated self-assembly of gold nanorods (GNRs), one of the earliest and most convenient methods for the fabrication of freestanding GNR self-assemblies. It is revealed that the self-assembly of GNRs is driven by the hydrophobic effects of the alkyl chains of the modified cationic surfactants, as their bilayer structure is destroyed by the added thiol molecules. In other words, the actual roles of the thiol molecules for causing GNRs assembly are indirectly inductive effects instead of the previously believed direct electrostatic attraction and/or hydrogen-bond linking effects of the binding thiol molecules. Furthermore, the GNRs exhibit diameter-dependent assembly behaviors: thicker GNRs tend to adopt the end-to-end assembly mode, while thin ones prefer the side-by-side assembly mode, further demonstrating that hydrophobic effects among the build blocks are the driving force for the GNRs assembly.
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Affiliation(s)
- Yu Lin
- Key Laboratory of Functional Molecular Solids, Ministry of Education; College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, China
| | - Kai Wu
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325001, China
- School of Physical Sciences & CAS Center for Excellence in Topological Quantum Computation, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Xin Zhou
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325001, China
- School of Physical Sciences & CAS Center for Excellence in Topological Quantum Computation, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yunsheng Xia
- Key Laboratory of Functional Molecular Solids, Ministry of Education; College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, China
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3
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Yang Y, Jia H, Su S, Zhang Y, Zhao M, Li J, Ruan Q, Zhang CY. A Pd-based plasmonic photocatalyst for nitrogen fixation through an antenna-reactor mechanism. Chem Sci 2023; 14:10953-10961. [PMID: 37829007 PMCID: PMC10566465 DOI: 10.1039/d3sc02862c] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Accepted: 09/04/2023] [Indexed: 10/14/2023] Open
Abstract
Plasmonic metal nanocrystals (e.g., Au, Ag, and Cu) hold great promise for driving photocatalytic reactions, but little is known about the plasmonic properties of Pd nanocrystals. Herein, we constructed a plasmonic Pd/Ru antenna-reactor photocatalyst through the controllable growth of a Ru nanoarray 'reactor' on a Pd nano-octahedron 'antenna' and demonstrated a plasmonic Pd-driven N2 photofixation process. The plasmonic properties of Pd nano-octahedrons were verified using finite-difference time-domain (FDTD) simulations and refractive index sensitivity tests in water-glycerol mixtures. Notably, the constructed plasmonic antenna-reactor nanostructures exhibited superior photocatalytic activities during N2 photofixation, with a maximum ammonia production rate of 117.5 ± 15.0 μmol g-1 h-1 under visible and near-infrared (NIR) light illumination. The mechanism can be attributed to the ability of the plasmonic Pd nanoantennas to harvest light to generate abundant hot electrons and the Ru nanoreactors to provide active sites for adsorption and activation of N2. This work paves the way for the development of Pd-based plasmonic photocatalysts for efficient N2 photofixation and sheds new light on the optimal design and construction of antenna-reactor nanostructures.
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Affiliation(s)
- Yuanyuan Yang
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University Jinan 250014 China
| | - Henglei Jia
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University Jinan 250014 China
| | - Sihua Su
- Ministry of Industry and Information Technology Key Lab of Micro-Nano Optoelectronic Information Systems, Guangdong Provincial Key Laboratory of Semiconductor Optoelectronic Materials and Intelligent Photonic Systems, Harbin Institute of Technology Shenzhen 518055 China
| | - Yidi Zhang
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University Jinan 250014 China
| | - Mengxuan Zhao
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University Jinan 250014 China
| | - Jingzhao Li
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University Jinan 250014 China
| | - Qifeng Ruan
- Ministry of Industry and Information Technology Key Lab of Micro-Nano Optoelectronic Information Systems, Guangdong Provincial Key Laboratory of Semiconductor Optoelectronic Materials and Intelligent Photonic Systems, Harbin Institute of Technology Shenzhen 518055 China
| | - Chun-Yang Zhang
- College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University Jinan 250014 China
- School of Chemistry and Chemical Engineering, Southeast University Nanjing 211189 China
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4
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Wei A, OuYang J, Guo Y, Jiang S, Chen F, Huang J, Xiao Q, Wu Z. Controlled synthesis of monodisperse gold nanorods with a small diameter of around 10 nm and largest plasmon wavelength of 1200 nm. Phys Chem Chem Phys 2023; 25:20843-20853. [PMID: 37503681 DOI: 10.1039/d3cp02203j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/29/2023]
Abstract
Gold nanorods have been widely used in various fields due to their tunable anisotropic localized surface plasmon resonance (SPR) property. The facile preparation of gold nanorods with a tunable SPR wavelength extending to a near-infrared window, and at the same time, a relatively small particle size for facilitating applications especially in the biomedical field is of great value yet highly challenging. In this work, a new reducing agent, 1,6-dihydroxynaphthalene, is proposed for the synthesis of gold nanorods. The results indicate that gold nanorods with good monodispersity, high shape yield, maximum SPR wavelength of 1200 nm, and especially small diameter of around 10 nm can be acquired simultaneously. In terms of spectral and size controls, by respectively varying the experimental parameters including the amount of silver ions, reducing agents, and gold seeds not only can a good linear correlation be acquired corresponding to a SPR wavelength ranging from around 600 nm to 1200 nm, but a regular change in the particle diameter from 10.5 nm to 7.5 nm could also be observed. The structural and morphological evolutions of the particle for each changed parameter were carefully studied, and insights were gained into the growth mechanism based on the detailed analysis of particle evolution at a specific stage of the growth process.
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Affiliation(s)
- Anhua Wei
- Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, College of Chemistry and Materials, Nanning Normal University, Nanning 530001, China.
| | - Jingfang OuYang
- Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, College of Chemistry and Materials, Nanning Normal University, Nanning 530001, China.
| | - Yuyang Guo
- Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, College of Chemistry and Materials, Nanning Normal University, Nanning 530001, China.
| | - Suju Jiang
- Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, College of Chemistry and Materials, Nanning Normal University, Nanning 530001, China.
| | - Feifei Chen
- Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, College of Chemistry and Materials, Nanning Normal University, Nanning 530001, China.
| | - Jun Huang
- Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, College of Chemistry and Materials, Nanning Normal University, Nanning 530001, China.
| | - Qi Xiao
- Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, College of Chemistry and Materials, Nanning Normal University, Nanning 530001, China.
| | - Zihua Wu
- Guangxi Key Laboratory of Natural Polymer Chemistry and Physics, College of Chemistry and Materials, Nanning Normal University, Nanning 530001, China.
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5
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Mbalaha ZS, Birch DJS, Chen Y. Photothermal effects of gold nanorods in aqueous solution and gel media: Influence of particle size and excitation wavelength. IET Nanobiotechnol 2022; 17:103-111. [PMID: 36544428 PMCID: PMC10116019 DOI: 10.1049/nbt2.12110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 11/01/2022] [Accepted: 12/06/2022] [Indexed: 12/24/2022] Open
Abstract
Gold nanorods (GNRs) have emerged as the most efficient photothermal agent in cancer therapy and photocatalysis. Understanding the influence of the surrounding medium, particle size, and excitation wavelength is critical to optimising the photothermal conversion rate. Here, three pairs of large and small gold nanorods of different aspect ratios and their heat generation under laser radiation at on and off surface plasmon resonance wavelengths in aqueous solution and gel-like media are investigated. In the aqueous solution, the temperature rise of the large gold nanorods is more than with small gold nanorods at resonance excitation. In contrast to the large gold nanorods (LGNRs), the small gold nanorods (SGNRs) were less sensitive to excitation wavelength. At off-resonance excitation, the temperature rise of the SGNRs is larger than that of the LGNRs. In the agarose gel, the photothermal effect of the SGNRs is greater than LGNRs excited at the wavelength near their solution phase longitudinal surface plasmon resonance wavelength. The temperature increase of LGNRs in gel is significantly less than in aqueous solution. These findings suggest that SGNRs could be more beneficial than the LGNRs for photothermal applications in biological systems and provides further insight when selecting GNRs.
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Affiliation(s)
- Zendesha S. Mbalaha
- Department of Physics Scottish Universities Physics Alliance University of Strathclyde Glasgow UK
- Department of Science Education Joseph Sarwuan Tarka University Makurdi Benue State Nigeria
| | - David J. S. Birch
- Department of Physics Scottish Universities Physics Alliance University of Strathclyde Glasgow UK
| | - Yu Chen
- Department of Physics Scottish Universities Physics Alliance University of Strathclyde Glasgow UK
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6
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Zhou L, Gong X, Zhao Y, Xu J, Guo Y. Preparation and characterization of GNRs stabled with thiolated lemon polysaccharide and the applications for tumor photothermal therapy. Int J Biol Macromol 2022; 224:1303-1312. [DOI: 10.1016/j.ijbiomac.2022.10.216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 10/19/2022] [Accepted: 10/24/2022] [Indexed: 11/05/2022]
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7
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Hwang Y, Koo DJ, Ferhan AR, Sut TN, Yoon BK, Cho NJ, Jackman JA. Optimizing Plasmonic Gold Nanorod Deposition on Glass Surfaces for High-Sensitivity Refractometric Biosensing. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3432. [PMID: 36234560 PMCID: PMC9565783 DOI: 10.3390/nano12193432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 09/13/2022] [Accepted: 09/17/2022] [Indexed: 06/16/2023]
Abstract
Owing to high surface sensitivity, gold nanorods (AuNRs) are widely used to construct surface-based nanoplasmonic biosensing platforms for label-free molecular diagnostic applications. A key fabrication step involves controlling AuNR deposition onto the target surface, which requires maximizing surface density while minimizing inter-particle aggregation, and is often achieved by surface functionalization with a self-assembled monolayer (SAM) prior to AuNR deposition. To date, existing studies have typically used a fixed concentration of SAM-forming organic molecules (0.2-10% v/v) while understanding how SAM density affects AuNR deposition and resulting sensing performance would be advantageous. Herein, we systematically investigated how controlling the (3-aminopropyl)triethoxysilane (APTES) concentration (1-30% v/v) during SAM preparation affects the fabrication of AuNR-coated glass surfaces for nanoplasmonic biosensing applications. Using scanning electron microscopy (SEM) and UV-visible spectroscopy, we identified an intermediate APTES concentration range that yielded the highest density of individually deposited AuNRs with minimal aggregation and also the highest peak wavelength in aqueous solution. Bulk refractive index sensitivity measurements indicated that the AuNR configuration had a strong effect on the sensing performance, and the corresponding wavelength-shift responses ranged from 125 to 290 nm per refractive index unit (RIU) depending on the APTES concentration used. Biosensing experiments involving protein detection and antigen-antibody interactions further demonstrated the high surface sensitivity of the optimized AuNR platform, especially in the low protein concentration range where the measurement shift was ~8-fold higher than that obtained with previously used sensing platforms.
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Affiliation(s)
- Youngkyu Hwang
- School of Chemical Engineering and Translational Nanobioscience Research Center, Sungkyunkwan University, Suwon 16419, Korea
| | - Dong Jun Koo
- School of Chemical Engineering and Translational Nanobioscience Research Center, Sungkyunkwan University, Suwon 16419, Korea
| | - Abdul Rahim Ferhan
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Tun Naw Sut
- School of Chemical Engineering and Translational Nanobioscience Research Center, Sungkyunkwan University, Suwon 16419, Korea
| | - Bo Kyeong Yoon
- School of Healthcare and Biomedical Engineering, Chonnam National University, Yeosu 59626, Korea
| | - Nam-Joon Cho
- School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
| | - Joshua A. Jackman
- School of Chemical Engineering and Translational Nanobioscience Research Center, Sungkyunkwan University, Suwon 16419, Korea
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8
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Peng L, Liu Y, Zhang J, Zhang Z, Liu Z, Fang X, Wang Y, Wu C. Surface Plasmon-Enhanced NIR-II Fluorescence in a Multilayer Nanoprobe for Through-Skull Mouse Brain Imaging. ACS APPLIED MATERIALS & INTERFACES 2022; 14:38575-38583. [PMID: 35975821 DOI: 10.1021/acsami.2c11218] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Fluorescence imaging in the second near-infrared window (NIR-II, 1000-1700 nm) holds great potential for the accurate visualization of deeply located biological structures in vivo. However, the weak fluorescence of current NIR-II fluorophores remains a long-standing challenge for the ever-growing imaging demand. Here, we describe a surface plasmon-enhanced NIR-II fluorescence strategy by incorporating silica-coated gold nanorods (GNRs) and polymer dots (Pdots) into a multilayer nanostructure. Precise manipulation of the silica spacing layer thickness signifies an optimum distance of 8.6 nm, where an enhancement factor of up to 6.4 is achieved in the NIR-II imaging window. The surface plasmon enhancement approach is successfully extended to several types of Pdots fluorophores with NIR-II emission. We finally perform outer-layer encapsulation and PEGylation for the multilayer probes and demonstrate surface plasmon-enhanced NIR-II fluorescence for mouse brain imaging through the skull, which exhibits a refined signal-to-background ratio and penetration depth as compared to the clinically approved ICG dye.
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Affiliation(s)
- Lan Peng
- Guangdong Provincial Key Laboratory of Advanced Biomaterials, Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Ye Liu
- Guangdong Provincial Key Laboratory of Advanced Biomaterials, Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Jing Zhang
- Guangdong Provincial Key Laboratory of Advanced Biomaterials, Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Zhe Zhang
- Guangdong Provincial Key Laboratory of Advanced Biomaterials, Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Zhihe Liu
- Guangdong Provincial Key Laboratory of Advanced Biomaterials, Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Xiaofeng Fang
- Guangdong Provincial Key Laboratory of Advanced Biomaterials, Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Yingjie Wang
- Shenzhen Bay Laboratory, Shenzhen, Guangdong 518132, China
| | - Changfeng Wu
- Guangdong Provincial Key Laboratory of Advanced Biomaterials, Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China
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9
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Schirrmann R, Erkelenz M, Lamers K, Sritharan O, Nachev M, Sures B, Schlücker S, Brandau S. Gold Nanorods Induce Endoplasmic Reticulum Stress and Autocrine Inflammatory Activation in Human Neutrophils. ACS NANO 2022; 16:11011-11026. [PMID: 35737452 DOI: 10.1021/acsnano.2c03586] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Gold nanorods (AuNRs) are promising agents for diverse biomedical applications such as drug and gene delivery, bioimaging, and cancer treatment. Upon in vivo application, AuNRs quickly interact with cells of the immune system. On the basis of their strong intrinsic phagocytic activity, polymorphonuclear neutrophils (PMNs) are specifically equipped for the uptake of particulate materials such as AuNRs. Therefore, understanding the interaction of AuNRs with PMNs is key for the development of safe and efficient therapeutic applications. In this study, we investigated the uptake, intracellular processing, and cell biological response induced by AuNRs in PMNs. We show that uptake of AuNRs mainly occurs via phagocytosis and macropinocytosis with rapid deposition of AuNRs in endosomes within 5 min. Within 60 min, AuNR uptake induced an unfolded protein response (UPR) along with induction of inositol-requiring enzyme 1 α (IREα) and features of endoplasmic reticulum (ER) stress. This early response was followed by a pro-inflammatory autocrine activation loop that involves LOX1 upregulation on the cell surface and increased secretion of IL8 and MMP9. Our study provides comprehensive mechanistic insight into the interaction of AuNRs with immune cells and suggests potential targets to limit the unwanted immunopathological activation of PMNs during application of AuNRs.
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Affiliation(s)
- Ronja Schirrmann
- Department of Otorhinolaryngology, University Hospital Essen, Hufelandstraße 55, 45147 Essen, Germany
| | - Michael Erkelenz
- Department of Chemistry, University of Duisburg-Essen, Universitätsstraße 5, 45141 Essen, Germany
| | - Kim Lamers
- Department of Otorhinolaryngology, University Hospital Essen, Hufelandstraße 55, 45147 Essen, Germany
| | - Oliver Sritharan
- Department of Chemistry, University of Duisburg-Essen, Universitätsstraße 5, 45141 Essen, Germany
| | - Milen Nachev
- Department of Aquatic Ecology and Centre for Water and Environmental Research (ZWU), University of Duisburg-Essen, Universitätsstraße 5, 45141 Essen, Germany
| | - Bernd Sures
- Department of Aquatic Ecology and Centre for Water and Environmental Research (ZWU), University of Duisburg-Essen, Universitätsstraße 5, 45141 Essen, Germany
| | - Sebastian Schlücker
- Department of Chemistry, University of Duisburg-Essen, Universitätsstraße 5, 45141 Essen, Germany
- Center of Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Universitätsstraße 5, 45141 Essen, Germany
- Center of Medical Biotechnology (ZMB), University Hospital Essen, Hufelandstraße 55, 45147 Essen, Germany
- University of Duisburg-Essen, Universitätsstraße 5, 451471 Essen, Germany
| | - Sven Brandau
- Department of Otorhinolaryngology, University Hospital Essen, Hufelandstraße 55, 45147 Essen, Germany
- Center of Nanointegration Duisburg-Essen (CENIDE), University of Duisburg-Essen, Universitätsstraße 5, 45141 Essen, Germany
- Center of Medical Biotechnology (ZMB), University Hospital Essen, Hufelandstraße 55, 45147 Essen, Germany
- University of Duisburg-Essen, Universitätsstraße 5, 451471 Essen, Germany
- German Cancer Consortium, Partner Site Essen-Düsseldorf, 45147 Essen, Germany
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10
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Toraskar S, Madhukar Chaudhary P, Kikkeri R. The Shape of Nanostructures Encodes Immunomodulation of Carbohydrate Antigen and Vaccine Development. ACS Chem Biol 2022; 17:1122-1130. [PMID: 35426652 DOI: 10.1021/acschembio.1c00998] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Gold nanoparticles (AuNPs) have shown remarkable potential for vaccine development, but the influence of the size and shape of nanoparticles modulating the T-cell-dependent carbohydrate antigen processing and immunomodulation is poorly investigated. Here, we described how different shapes and sizes of gold nanostructures carrying adjuvant modulate carbohydrate-based antigen processing in murine dendritic cells (mDCs) and subsequent T-cell activation produce a robust antibody response. As a prototype, CpG-adjuvant-coated spherical and rod- and star-shaped AuNPs were conjugated to the tripodal Tn-glycopeptide antigen to study their DC uptake and activation of T-cells in a DCs/T-cell co-culture assay. Our results showed that the spherical and star-shaped AuNPs displayed relatively weak receptor-mediated uptake and endosomal sequestration; however, they induced a high level of T helper-1 (Th1) biasing immune responses compared with rod-shaped AuNPs. Furthermore, the in vivo administration of AuNPs showed that the small spherical and star-shaped AuNPs induced an effective anti-Tn-glycopeptide immunoglobulin (IgG) antibody response compared with rod-shaped AuNPs. These results indicated that one could obtain superior carbohydrate vaccines by varying the shape and size parameters of nanostructures.
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Affiliation(s)
- Suraj Toraskar
- Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pashan, Pune 411008, Maharashtra, India
| | - Preeti Madhukar Chaudhary
- Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pashan, Pune 411008, Maharashtra, India
| | - Raghavendra Kikkeri
- Indian Institute of Science Education and Research, Dr. Homi Bhabha Road, Pashan, Pune 411008, Maharashtra, India
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11
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Photothermal Conversion Profiling of Large-Scaled Synthesized Gold Nanorods Using Binary Surfactant with Hydroquinone as a Reducing Agent. NANOMATERIALS 2022; 12:nano12101723. [PMID: 35630943 PMCID: PMC9145525 DOI: 10.3390/nano12101723] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 05/04/2022] [Accepted: 05/16/2022] [Indexed: 12/10/2022]
Abstract
Photothermal application of gold nanorods (AuNRs) is widely increasing because of their good photothermal conversion efficiency (PCE) due to local surface plasmon resonance. However, the high concentration of hexadecyltrimethylammonium bromide used in the synthesis is a concern. Moreover, the mild and commonly used reducing agent-ascorbic acid does not reduce the Au(I) to A(0) entirely, resulting in a low yield of gold nanorods. Herein we report for the first time the PCE of large-scaled synthesized AuNRs using the binary surfactant seed-mediated method with hydroquinone (HQ) as the reducing agent. The temporal evolution of the optical properties and morphology was investigated by varying the Ag concentration, HQ concentration, HCl volumes, and seed solution volume. The results showed that the seed volume, HQ concentration, and HCl volume played a significant role in forming mini-AuNRs absorbing in the 800 nm region with a shape yield of 87.7%. The as-synthesized AuNRs were successfully up-scaled to a larger volume based on the optimum synthetic conditions followed by photothermal profiling. The photothermal profiling analysis showed a temperature increase of more than 54.2 °C at 2.55 W cm−2 at a low optical density (OD) of 0.160 after 630 s irradiation, with a PCE of approximately 21%, presenting it as an ideal photothermal agent.
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12
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Zare I, Yaraki MT, Speranza G, Najafabadi AH, Haghighi AS, Nik AB, Manshian BB, Saraiva C, Soenen SJ, Kogan MJ, Lee JW, Apollo NV, Bernardino L, Araya E, Mayer D, Mao G, Hamblin MR. Gold nanostructures: synthesis, properties, and neurological applications. Chem Soc Rev 2022; 51:2601-2680. [PMID: 35234776 DOI: 10.1039/d1cs01111a] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Recent advances in technology are expected to increase our current understanding of neuroscience. Nanotechnology and nanomaterials can alter and control neural functionality in both in vitro and in vivo experimental setups. The intersection between neuroscience and nanoscience may generate long-term neural interfaces adapted at the molecular level. Owing to their intrinsic physicochemical characteristics, gold nanostructures (GNSs) have received much attention in neuroscience, especially for combined diagnostic and therapeutic (theragnostic) purposes. GNSs have been successfully employed to stimulate and monitor neurophysiological signals. Hence, GNSs could provide a promising solution for the regeneration and recovery of neural tissue, novel neuroprotective strategies, and integrated implantable materials. This review covers the broad range of neurological applications of GNS-based materials to improve clinical diagnosis and therapy. Sub-topics include neurotoxicity, targeted delivery of therapeutics to the central nervous system (CNS), neurochemical sensing, neuromodulation, neuroimaging, neurotherapy, tissue engineering, and neural regeneration. It focuses on core concepts of GNSs in neurology, to circumvent the limitations and significant obstacles of innovative approaches in neurobiology and neurochemistry, including theragnostics. We will discuss recent advances in the use of GNSs to overcome current bottlenecks and tackle technical and conceptual challenges.
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Affiliation(s)
- Iman Zare
- Research and Development Department, Sina Medical Biochemistry Technologies Co. Ltd., Shiraz 7178795844, Iran
| | | | - Giorgio Speranza
- CMM - FBK, v. Sommarive 18, 38123 Trento, Italy.,IFN - CNR, CSMFO Lab., via alla Cascata 56/C Povo, 38123 Trento, Italy.,Department of Industrial Engineering, University of Trento, v. Sommarive 9, 38123 Trento, Italy
| | - Alireza Hassani Najafabadi
- Terasaki Institute for Biomedical Innovation (TIBI), Los Angeles, CA 90064, USA.,Department of Pharmaceutical Sciences, University of Michigan, Ann Arbor, MI, 48109, USA
| | - Alireza Shourangiz Haghighi
- Department of Mechanical Engineering, Shiraz University of Technology, Modarres Boulevard, 13876-71557, Shiraz, Iran
| | - Amirala Bakhshian Nik
- Department of Biomedical Engineering, Florida International University, Miami, FL 33174, USA
| | - Bella B Manshian
- Translational Cell and Tissue Research Unit, Department of Imaging and Pathology, KU Leuven, Herestraat 49, B3000 Leuven, Belgium
| | - Cláudia Saraiva
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, 7 Avenue des Hauts-Fourneaux, 4362 Esch-sur-Alzette, Luxembourg.,Health Sciences Research Centre (CICS-UBI), University of Beira Interior, Rua Marques d'Avila e Bolama, 6201-001 Covilha, Portugal
| | - Stefaan J Soenen
- NanoHealth and Optical Imaging Group, Department of Imaging and Pathology, KU Leuven, Herestraat 49, B3000 Leuven, Belgium
| | - Marcelo J Kogan
- Advanced Center for Chronic Diseases (ACCDiS), Facultad de Ciencias Químicas y Farmacéuticas, Departamento de Química Farmacológica y Toxicológica, Universidad de Chile, 8380492 Santiago, Chile
| | - Jee Woong Lee
- Department of Medical Sciences, Clinical Neurophysiology, Uppsala University, Uppsala, SE-751 23, Sweden
| | - Nicholas V Apollo
- Center for Neuroengineering and Therapeutics, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA.,School of Physics, University of Melbourne, Parkville, Victoria 3010, Australia
| | - Liliana Bernardino
- Health Sciences Research Centre (CICS-UBI), University of Beira Interior, Rua Marques d'Avila e Bolama, 6201-001 Covilha, Portugal
| | - Eyleen Araya
- Departamento de Ciencias Quimicas, Facultad de Ciencias Exactas, Universidad Andres Bello, Av. Republica 275, Santiago, Chile
| | - Dirk Mayer
- Institute of Biological Information Processing, Bioelectronics (IBI-3), Forschungszentrum Jülich GmbH, Germany
| | - Guangzhao Mao
- School of Chemical Engineering, University of New South Wales (UNSW Sydney), Sydney, NSW 2052, Australia
| | - Michael R Hamblin
- Laser Research Center, University of Johannesburg, Doorfontein 2028, South Africa.
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13
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Pratap D, Vikas, Gautam R, Shaw AK, Soni S. Photothermal properties of stable aggregates of gold nanorods. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.128054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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14
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Escudero A, González-García L, Strahl R, Kang DJ, Drzic J, Kraus T. Large-Scale Synthesis of Hybrid Conductive Polymer-Gold Nanoparticles Using "Sacrificial" Weakly Binding Ligands for Printing Electronics. Inorg Chem 2021; 60:17103-17113. [PMID: 34735769 DOI: 10.1021/acs.inorgchem.1c02350] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
We describe the gram-scale synthesis of hybrid gold nanoparticles with a shell of conductive polymers. A large-scale synthesis of hexadecyltrimethylammonium bromide (CTAB)-capped gold nanoparticles (AuNP@CTAB) was followed by ligand exchange with conductive polymers based on thiophene in a 10 L reactor equipped with a jacket to ensure a constant temperature of 40 °C and a mechanical stirrer. Slow and controlled reduction of the gold precursors and the presence of small amounts of silver nitrate are revealed to be the critical synthesis variables to obtain particles with a sufficiently narrow size distribution. Batches of approximately 10 g of faceted AuNP@CTAB with tunable average particle sizes from 54 to 85 nm were obtained per batch. Ligand exchange with poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) in the same reactor then yielded hybrid Au@PEDOT:PSS nanoparticles. They were used to formulate sinter-free inks for the inkjet printing of conductive structures without the need for a sintering step.
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Affiliation(s)
- Alberto Escudero
- INM─Leibniz Institute for New Materials, Campus D2 2, 66123 Saarbrücken, Germany.,Departamento de Química Inorgánica and Instituto de Investigaciones Químicas (IIQ), Universidad de Sevilla─CSIC, Calle Américo Vespucio 49, 41092 Seville, Spain
| | - Lola González-García
- INM─Leibniz Institute for New Materials, Campus D2 2, 66123 Saarbrücken, Germany
| | - Robert Strahl
- INM─Leibniz Institute for New Materials, Campus D2 2, 66123 Saarbrücken, Germany
| | - Dong Jin Kang
- INM─Leibniz Institute for New Materials, Campus D2 2, 66123 Saarbrücken, Germany
| | - Juraj Drzic
- INM─Leibniz Institute for New Materials, Campus D2 2, 66123 Saarbrücken, Germany
| | - Tobias Kraus
- INM─Leibniz Institute for New Materials, Campus D2 2, 66123 Saarbrücken, Germany.,Colloid and Interface Chemistry, Saarland University, 66123 Saarbrücken, Germany
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15
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Zheng J, Cheng X, Zhang H, Bai X, Ai R, Shao L, Wang J. Gold Nanorods: The Most Versatile Plasmonic Nanoparticles. Chem Rev 2021; 121:13342-13453. [PMID: 34569789 DOI: 10.1021/acs.chemrev.1c00422] [Citation(s) in RCA: 169] [Impact Index Per Article: 56.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Gold nanorods (NRs), pseudo-one-dimensional rod-shaped nanoparticles (NPs), have become one of the burgeoning materials in the recent years due to their anisotropic shape and adjustable plasmonic properties. With the continuous improvement in synthetic methods, a variety of materials have been attached around Au NRs to achieve unexpected or improved plasmonic properties and explore state-of-the-art technologies. In this review, we comprehensively summarize the latest progress on Au NRs, the most versatile anisotropic plasmonic NPs. We present a representative overview of the advances in the synthetic strategies and outline an extensive catalogue of Au-NR-based heterostructures with tailored architectures and special functionalities. The bottom-up assembly of Au NRs into preprogrammed metastructures is then discussed, as well as the design principles. We also provide a systematic elucidation of the different plasmonic properties associated with the Au-NR-based structures, followed by a discussion of the promising applications of Au NRs in various fields. We finally discuss the future research directions and challenges of Au NRs.
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Affiliation(s)
- Jiapeng Zheng
- Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR 999077, China
| | - Xizhe Cheng
- Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR 999077, China
| | - Han Zhang
- Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR 999077, China
| | - Xiaopeng Bai
- Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR 999077, China
| | - Ruoqi Ai
- Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR 999077, China
| | - Lei Shao
- Beijing Computational Science Research Center, Beijing 100193, China
| | - Jianfang Wang
- Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR 999077, China
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16
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Rizwan Younis M, He G, Gurram B, Lin J, Huang P. Recent Advances in Gold Nanorods‐Based Cancer Theranostics. ADVANCED NANOBIOMED RESEARCH 2021. [DOI: 10.1002/anbr.202100029] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Affiliation(s)
- Muhammad Rizwan Younis
- Marshall Laboratory of Biomedical Engineering International Cancer Center Laboratory of Evolutionary Theranostics (LET) School of Biomedical Engineering Shenzhen University Health Science Center Shenzhen 518060 China
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province College of Optoelectronic Engineering Shenzhen University Shenzhen 518060 China
| | - Gang He
- Marshall Laboratory of Biomedical Engineering International Cancer Center Laboratory of Evolutionary Theranostics (LET) School of Biomedical Engineering Shenzhen University Health Science Center Shenzhen 518060 China
| | - Bhaskar Gurram
- Marshall Laboratory of Biomedical Engineering International Cancer Center Laboratory of Evolutionary Theranostics (LET) School of Biomedical Engineering Shenzhen University Health Science Center Shenzhen 518060 China
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province College of Optoelectronic Engineering Shenzhen University Shenzhen 518060 China
| | - Jing Lin
- Marshall Laboratory of Biomedical Engineering International Cancer Center Laboratory of Evolutionary Theranostics (LET) School of Biomedical Engineering Shenzhen University Health Science Center Shenzhen 518060 China
| | - Peng Huang
- Marshall Laboratory of Biomedical Engineering International Cancer Center Laboratory of Evolutionary Theranostics (LET) School of Biomedical Engineering Shenzhen University Health Science Center Shenzhen 518060 China
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17
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Li S, Huang H, Shao L, Wang J. How to Utilize Excited Plasmon Energy Efficiently. ACS NANO 2021; 15:10759-10768. [PMID: 34137261 DOI: 10.1021/acsnano.1c02627] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Plasmonic nanoparticles can concentrate electromagnetic fields at the nanoscale and function as a powerful intermediary to enhance light-matter interactions. They have been widely employed for solar energy harvesting, photocatalysis, medicine, sensing, imaging, spectroscopy, optics, and optoelectronics. In this Perspective, we provide a brief overview of research progress in the utilization of excited plasmon energy, with emphasis on the charge- and energy-transfer processes. We discuss important factors that affect the charge- and energy-transfer efficiencies and present open questions and major challenges in the efficient utilization of excited plasmon energy.
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Affiliation(s)
- Shasha Li
- Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
- Shenzhen JL Computational Science and Applied Research Institute, Shenzhen 518109, China
- Beijing Computational Science Research Center, Beijing 100193, China
| | - He Huang
- Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - Lei Shao
- Shenzhen JL Computational Science and Applied Research Institute, Shenzhen 518109, China
- Beijing Computational Science Research Center, Beijing 100193, China
| | - Jianfang Wang
- Department of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
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18
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Dung NT, Linh NTN, Chi DL, Hoa NTH, Hung NP, Ha NT, Nam PH, Phuc NX, Tam LT, Lu LT. Optical properties and stability of small hollow gold nanoparticles. RSC Adv 2021; 11:13458-13465. [PMID: 35423895 PMCID: PMC8697581 DOI: 10.1039/d0ra09417j] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2020] [Accepted: 03/26/2021] [Indexed: 12/11/2022] Open
Abstract
In the current work, small hollow Au nanoparticles (d ≈ 16 nm) with excellent thermal stability and high photo-thermal conversion efficiency, which have great potential for use in photo-thermal cancer therapy, were prepared through galvanic replacement reaction between Ag nano-templates and gold salt. The position of surface plasmon resonance (SPR) bands for these nanoparticles could be tuned by varying the amount of gold salt. The hydrophobic hollow nanostructures were made water-dispersible by being encapsulated with poly(maleic anhydride-alt-1-octadecene) - PMAO. The obtained nanostructures were stable in an aqueous solution of NaCl with concentration up to 280 mM. The hollow gold nanoparticles (HGNPs) were then heated using an 808 nm laser at different power densities, the obtained data showed that they are highly photo-thermal stable under a high power density laser up to 1.6 W cm-2 after three circles of irradiation at 20 min per circle (20 min continuous irradiation for each circle). The facile synthesis of small size HGNPs with a plasmon peak in the near infrared range, colloidal and photo-thermal stability, and high capacity of conversion of photon energy into heat makes them a promising material for photo-thermal and imaging applications.
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Affiliation(s)
- Ngo T Dung
- Institute for Tropical Technology, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet Hanoi Vietnam
| | - Nguyen T N Linh
- Thai Nguyen University of Sciences Tan Thinh Ward Thai Nguyen City Vietnam
| | - Dinh L Chi
- Hanoi-Amsterdam High School for the Gifted Hoang Minh Giam, Cau Giay Hanoi Vietnam
| | - Nguyen T H Hoa
- Thai Nguyen University of Sciences Tan Thinh Ward Thai Nguyen City Vietnam
| | - Nguyen P Hung
- Thai Nguyen University of Sciences Tan Thinh Ward Thai Nguyen City Vietnam
| | - Ngo T Ha
- Thai Nguyen University of Sciences Tan Thinh Ward Thai Nguyen City Vietnam
| | - Pham H Nam
- Institute of Materials Science, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet Hanoi Vietnam
| | - Nguyen X Phuc
- Institute of Materials Science, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet Hanoi Vietnam
| | - Le T Tam
- Vinh University 182 Le Duan Street Vinh City Nghe An Vietnam
| | - Le T Lu
- Institute for Tropical Technology, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet Hanoi Vietnam .,Graduate University of Science and Technology, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet Hanoi Vietnam
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19
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Chen Y, Yang J, Zhang X, Feng Y, Zeng H, Wang L, Feng W. Light-driven bimorph soft actuators: design, fabrication, and properties. MATERIALS HORIZONS 2021; 8:728-757. [PMID: 34821314 DOI: 10.1039/d0mh01406k] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
Soft robots that can move like living organisms and adapt to their surroundings are currently in the limelight from fundamental studies to technological applications, due to their advances in material flexibility, human-friendly interaction, and biological adaptation that surpass conventional rigid machines. Light-fueled smart actuators based on responsive soft materials are considered to be one of the most promising candidates to promote the field of untethered soft robotics, thereby attracting considerable attention amongst materials scientists and microroboticists to investigate photomechanics, photoswitch, bioinspired design, and actuation realization. In this review, we discuss the recent state-of-the-art advances in light-driven bimorph soft actuators, with the focus on bilayer strategy, i.e., integration between photoactive and passive layers within a single material system. Bilayer structures can endow soft actuators with unprecedented features such as ultrasensitivity, programmability, superior compatibility, robustness, and sophistication in controllability. We begin with an explanation about the working principle of bimorph soft actuators and introduction of a synthesis pathway toward light-responsive materials for soft robotics. Then, photothermal and photochemical bimorph soft actuators are sequentially introduced, with an emphasis on the design strategy, actuation performance, underlying mechanism, and emerging applications. Finally, this review is concluded with a perspective on the existing challenges and future opportunities in this nascent research Frontier.
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Affiliation(s)
- Yuanhao Chen
- School of Materials Science and Engineering, Tianjin University, Tianjin 300350, P. R. China.
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20
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Zhang D, Ye Z, Liu H, Wang X, Hua J, Ling Y, Wei L, Xia Y, Sun S, Xiao L. Cell membrane coated smart two-dimensional supraparticle for in vivo homotypic cancer targeting and enhanced combinational theranostics. Nanotheranostics 2021; 5:275-287. [PMID: 33654654 PMCID: PMC7914337 DOI: 10.7150/ntno.57657] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Accepted: 01/16/2021] [Indexed: 12/16/2022] Open
Abstract
Development of intelligent and multifunctional nanoparticle for the diagnosis and treatment of cancer has drawn great attention recently. In this work, we design a smart two-dimensional (2D) supraparticle for tumor targeted magnetic resonance imaging (MRI)/photothermal imaging (PTI) and chemo/photothermal therapy (PTT). Methods: The nanoparticle consists of a manganese dioxide (MnO2) nanosheet coated gold nanorod (GNR) core (loading with chemotherapeutics doxorubicin (DOX)), and cancer cell membrane shell (denoted as CM-DOX-GMNPs). Decoration of cell membrane endows the nanoparticle with greatly improved colloidal stability and homotypic cancer cell targeting ability. Once the nanoparticles enter tumor cells, MnO2 nanosheets can be etched to Mn2+ by glutathione (GSH) and acidic hydrogen peroxide (H2O2) in the cytosol, leading to the release of DOX. Meanwhile, stimuli dependent releasing of Mn2+ can act as MRI contrast agent for tumor diagnosis. Illumination with near-infrared (NIR) light, photothermal conversion effect of GNRs can be activated for synergistic cancer therapy. Results:In vivo results illustrate that the CM-DOX-GMNPs display tumor specific MRI/PTI ability and excellent inhibition effect on tumor growth. Conclusion: This bioinspired nanoparticle presents an effective and intelligent approach for tumor imaging and therapy, affording valuable guidance for the rational design of robust theranostics nanoplatform.
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Affiliation(s)
- Di Zhang
- College of Chemistry, Zhengzhou University, Zhengzhou, 450001, China
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Zhongju Ye
- College of Chemistry, Zhengzhou University, Zhengzhou, 450001, China
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Hua Liu
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Xin Wang
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Jianhao Hua
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Yunyun Ling
- Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, China
| | - Lin Wei
- College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha, 410081, China
| | - Yunsheng Xia
- Key Laboratory of Functional Molecular Solids, Ministry of Education, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, 241000, China
| | - Shaokai Sun
- School of Medical Imaging, Tianjin Medical University, Tianjin, 300071, China
| | - Lehui Xiao
- State Key Laboratory of Medicinal Chemical Biology, Tianjin Key Laboratory of Biosensing and Molecular Recognition, College of Chemistry, Nankai University, Tianjin, 300071, China
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21
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Cavigli L, Khlebtsov BN, Centi S, Khlebtsov NG, Pini R, Ratto F. Photostability of Contrast Agents for Photoacoustics: The Case of Gold Nanorods. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 11:E116. [PMID: 33419130 PMCID: PMC7825532 DOI: 10.3390/nano11010116] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 12/16/2020] [Accepted: 12/23/2020] [Indexed: 12/12/2022]
Abstract
Plasmonic particles as gold nanorods have emerged as powerful contrast agents for critical applications as the photoacoustic imaging and photothermal ablation of cancer. However, their unique efficiency of photothermal conversion may turn into a practical disadvantage, and expose them to the risk of overheating and irreversible photodamage. Here, we outline the main ideas behind the technology of photoacoustic imaging and the use of relevant contrast agents, with a main focus on gold nanorods. We delve into the processes of premelting and reshaping of gold nanorods under illumination with optical pulses of a typical duration in the order of few ns, and we present different approaches to mitigate this issue. We undertake a retrospective classification of such approaches according to their underlying, often implicit, principles as: constraining the initial shape; or speeding up their thermal coupling to the environment by lowering their interfacial thermal resistance; or redistributing the input energy among more particles. We discuss advantages, disadvantages and contexts of practical interest where one solution may be more appropriate than the other.
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Affiliation(s)
- Lucia Cavigli
- Istituto di Fisica Applicata Nello Carrara, IFAC-CNR, Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy; (S.C.); (R.P.); (F.R.)
| | - Boris N. Khlebtsov
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, 13 Prospekt Entuziastov, 410049 Saratov, Russia; (B.N.K.); (N.G.K.)
| | - Sonia Centi
- Istituto di Fisica Applicata Nello Carrara, IFAC-CNR, Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy; (S.C.); (R.P.); (F.R.)
| | - Nikolai G. Khlebtsov
- Institute of Biochemistry and Physiology of Plants and Microorganisms, Russian Academy of Sciences, 13 Prospekt Entuziastov, 410049 Saratov, Russia; (B.N.K.); (N.G.K.)
- Saratov State University, 83 Ulitsa Astrakhanskaya, 410026 Saratov, Russia
| | - Roberto Pini
- Istituto di Fisica Applicata Nello Carrara, IFAC-CNR, Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy; (S.C.); (R.P.); (F.R.)
| | - Fulvio Ratto
- Istituto di Fisica Applicata Nello Carrara, IFAC-CNR, Via Madonna del Piano 10, 50019 Sesto Fiorentino, Italy; (S.C.); (R.P.); (F.R.)
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22
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Cai K, Zhang W, Foda MF, Li X, Zhang J, Zhong Y, Liang H, Li H, Han H, Zhai T. Miniature Hollow Gold Nanorods with Enhanced Effect for In Vivo Photoacoustic Imaging in the NIR-II Window. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e2002748. [PMID: 32780938 DOI: 10.1002/smll.202002748] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 06/24/2020] [Indexed: 05/25/2023]
Abstract
The miniaturization of gold nanorods exhibits a bright prospect for intravital photoacoustic imaging (PAI) and the hollow structure possesses a better plasmonic property. Herein, miniature hollow gold nanorods (M-AuHNRs) (≈46 nm in length) possessing strong plasmonic absorbance in the second near-infrared (NIR-II) window (1000-1350 nm) are developed, which are considered as the most suitable range for the intravital PAI. The as-prepared M-AuHNRs exhibit 3.5 times stronger photoacoustic signal intensity than the large hollow Au nanorods (≈105 nm in length) at 0.2 optical density under 1064 nm laser irradiation. The in vivo biodistribution measurement shows that the accumulation in tumor of miniature nanorods is twofold as high as that of the large counterpart. After modifying with a tumor-targeting molecule and fluorochrome, in living tumor-bearing mice, the M-AuHNRs group gives a high fluorescence intensity in tumors, which is 3.6-fold that of the large ones with the same functionalization. Moreover, in the intravital PAI of living tumor-bearing mice, the M-AuHNRs generate longer-lasting and stronger photoacoustic signal than the large counterpart in the NIR-II window. Overall, this study presents the fabrication of M-AuHNRs as a promising contrast agent for intravital PAI.
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Affiliation(s)
- Kai Cai
- Department of Urology, Union Hospital, Tongji Medical College, School of Materials Science and Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, P. R. China
| | - Weiyun Zhang
- State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan, 430070, P. R. China
| | - Mohamed F Foda
- State Key Laboratory of Agricultural Microbiology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, P. R. China
| | - Xuyu Li
- State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan, 430070, P. R. China
| | - Jin Zhang
- State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan, 430070, P. R. China
| | - Yeteng Zhong
- Department of Chemistry and Bio-X, Stanford University, Stanford, CA, 94305, USA
| | - Huageng Liang
- Department of Urology, Union Hospital, Tongji Medical College, School of Materials Science and Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, P. R. China
| | - Huiqiao Li
- Department of Urology, Union Hospital, Tongji Medical College, School of Materials Science and Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, P. R. China
| | - Heyou Han
- State Key Laboratory of Agricultural Microbiology, College of Science, Huazhong Agricultural University, Wuhan, 430070, P. R. China
| | - Tianyou Zhai
- Department of Urology, Union Hospital, Tongji Medical College, School of Materials Science and Engineering, Huazhong University of Science and Technology (HUST), Wuhan, 430074, P. R. China
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23
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Liu Y, Zhu D, Luo J, Chen X, Gao L, Liu W, Chen T. NIR-II-Activated Yolk–Shell Nanostructures as an Intelligent Platform for Parkinsonian Therapy. ACS APPLIED BIO MATERIALS 2020; 3:6876-6887. [DOI: 10.1021/acsabm.0c00794] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Affiliation(s)
- Yao Liu
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China
| | - Daoming Zhu
- Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan 430072, China
| | - Jingshan Luo
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China
| | - Xiaojia Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macau 999078, China
| | - Liqian Gao
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Shenzhen 518107, China
| | - Wei Liu
- Key Laboratory of Artificial Micro- and Nano-Structures of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan 430072, China
| | - Tongkai Chen
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou 510405, China
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24
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Sun J, Luo R, Xia Y. Getting rid of NaBH4: Gold seeds reduced by air-stable agents for synthesizing quasi one-dimensional gold nanoparticles. CHINESE CHEM LETT 2020. [DOI: 10.1016/j.cclet.2019.12.037] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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25
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Xu W, Lin Q, Yin Y, Xu D, Huang X, Xu B, Wang G. A Review on Cancer Therapy Based on the Photothermal Effect of Gold Nanorod. Curr Pharm Des 2020; 25:4836-4847. [DOI: 10.2174/1381612825666191216150052] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2019] [Accepted: 11/29/2019] [Indexed: 02/05/2023]
Abstract
Background:
Cancer causes millions of deaths and huge economic losses every year. The currently
practiced methods for cancer therapy have many defects, such as side effects, low curate rate, and discomfort for
patients.
Objective:
Herein, we summarize the applications of gold nanorods (AuNRs) in cancer therapy based on their
photothermal effect-the conversion of light into local heat under irradiation.
Methods:
The recent advances in the synthesis and regulation of AuNRs, and facile surface functionalization
further facilitate their use in cancer treatment. For cancer therapy, AuNRs need to be modified or coated with
biocompatible molecules (e.g. polyethylene glycol) and materials (e.g. silicon) to reduce the cytotoxicity and
increase their biocompatibility, stability, and retention time in the bloodstream. The accumulation of AuNRs in
cancerous cells and tissues is due to the high leakage in tumors or the specific interaction between the cell surface
and functional molecules on AuNRs such as antibodies, aptamers, and receptors.
Results:
AuNRs are employed not only as therapeutics to ablate tumors solely based on the heat produced under
laser that could denature protein and activate the apoptotic pathway, but also as synergistic therapies combined
with photodynamic therapy, chemotherapy, and gene therapy to kill cancer more efficiently. More importantly,
other materials like TiO2, graphene oxide, and silicon, etc. are incorporated on the AuNR surface for multimodal
cancer treatment with high drug loadings and improved cancer-killing efficiency. To highlight their applications
in cancer treatment, examples of therapeutic effects both in vitro and in vivo are presented.
Conclusion:
AuNRs have potential applications for clinical cancer therapy.
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Affiliation(s)
- Weizhen Xu
- Hunan Key Laboratory of Processed Food for Special Medical Purpose, Central South University of Forestry and Technology, Changsha, 410004, China
| | - Qinlu Lin
- Hunan Key Laboratory of Processed Food for Special Medical Purpose, Central South University of Forestry and Technology, Changsha, 410004, China
| | - Yueqin Yin
- Hunan Key Laboratory of Processed Food for Special Medical Purpose, Central South University of Forestry and Technology, Changsha, 410004, China
| | - Dong Xu
- Hunan Key Laboratory of Processed Food for Special Medical Purpose, Central South University of Forestry and Technology, Changsha, 410004, China
| | - Xiaohui Huang
- Hunan Edible Fungi Institute, Changsha, 410004, China
| | - Bucheng Xu
- Wangcheng Commodity Inspection Center, Changsha, 410200, China
| | - Guangwei Wang
- Biomedical Research Center, Hunan University of Medicine, Huaihua, 418000, China
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Mathur D, Klein WP, Chiriboga M, Bui H, Oh E, Nita R, Naciri J, Johns P, Fontana J, Díaz SA, Medintz IL. Analyzing fidelity and reproducibility of DNA templated plasmonic nanostructures. NANOSCALE 2019; 11:20693-20706. [PMID: 31642466 DOI: 10.1039/c9nr03711j] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Synthetic DNA templated nanostructures offer an excellent platform for the precise spatial and orientational positioning of organic and inorganic nanomaterials. Previous reports have shown its applicability in the organization of plasmonic nanoparticles in a number of geometries for the purpose of realizing tunable nanoscale optical devices. However, translation of nanoparticle-DNA constructs to application requires additional efforts to increase scalability, reproducibility, and formation yields. Understanding all these factors is, in turn, predicated on in-depth analysis of each structure and comparing how formation changes with complexity. Towards the latter goal, we assemble seven unique plasmonic nanostructure symmetries of increasing complexity based on assembly of gold nanorods and nanoparticles on two different DNA origami templates, a DNA triangle and rhombus, and characterize them using gel electrophoresis, atomic force- and transmission electron microscopy, as well as optical spectroscopy. In particular, we focus on how much control can be elicited over yield, reproducibility, shape, size, inter-particle angles, gaps, and plasmon shifts as compared to expectations from computer simulations as structural complexity increases. We discuss how these results can contribute to establishing process principles for creating DNA templated plasmonic nanostructures.
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Affiliation(s)
- Divita Mathur
- Center for Bio/Molecular Science and Engineering Code 6900 and U.S. Naval Research Laboratory, 4555 Overlook AV SW, Washington, DC 20375, USA. and College of Science and Institute for Advanced Biomedical Research, George Mason University, Fairfax, VA 22030, USA
| | - William P Klein
- Center for Bio/Molecular Science and Engineering Code 6900 and U.S. Naval Research Laboratory, 4555 Overlook AV SW, Washington, DC 20375, USA. and National Research Council, 500 5th St NW, Washington, DC 20001, USA
| | - Matthew Chiriboga
- Center for Bio/Molecular Science and Engineering Code 6900 and U.S. Naval Research Laboratory, 4555 Overlook AV SW, Washington, DC 20375, USA. and Department of Bioengineering, Institute for Advanced Biomedical Research, George Mason University, Fairfax, VA 22030, USA
| | - Hieu Bui
- Center for Bio/Molecular Science and Engineering Code 6900 and U.S. Naval Research Laboratory, 4555 Overlook AV SW, Washington, DC 20375, USA. and National Research Council, 500 5th St NW, Washington, DC 20001, USA
| | - Eunkeu Oh
- Optical Sciences Division Code 5600, U.S. Naval Research Laboratory, 4555 Overlook AV SW, Washington, DC 20375, USA and KeyW Corporation, Hanover, MD 21076, USA
| | - Rafaela Nita
- Center for Bio/Molecular Science and Engineering Code 6900 and U.S. Naval Research Laboratory, 4555 Overlook AV SW, Washington, DC 20375, USA. and National Research Council, 500 5th St NW, Washington, DC 20001, USA
| | - Jawad Naciri
- Center for Bio/Molecular Science and Engineering Code 6900 and U.S. Naval Research Laboratory, 4555 Overlook AV SW, Washington, DC 20375, USA.
| | - Paul Johns
- Center for Bio/Molecular Science and Engineering Code 6900 and U.S. Naval Research Laboratory, 4555 Overlook AV SW, Washington, DC 20375, USA. and American Society for Engineering Education, 1818 N Street NW, Suite 600, Washington, DC 20036, USA
| | - Jake Fontana
- Center for Bio/Molecular Science and Engineering Code 6900 and U.S. Naval Research Laboratory, 4555 Overlook AV SW, Washington, DC 20375, USA.
| | - Sebastián A Díaz
- Center for Bio/Molecular Science and Engineering Code 6900 and U.S. Naval Research Laboratory, 4555 Overlook AV SW, Washington, DC 20375, USA.
| | - Igor L Medintz
- Center for Bio/Molecular Science and Engineering Code 6900 and U.S. Naval Research Laboratory, 4555 Overlook AV SW, Washington, DC 20375, USA.
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27
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28
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Mbalaha Z, Edwards PR, Birch DJ, Chen Y. Synthesis of Small Gold Nanorods and Their Subsequent Functionalization with Hairpin Single Stranded DNA. ACS OMEGA 2019; 4:13740-13746. [PMID: 31497691 PMCID: PMC6714599 DOI: 10.1021/acsomega.9b01200] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Accepted: 07/30/2019] [Indexed: 06/10/2023]
Abstract
Small gold nanorods have a significantly large absorption/scattering ratio and are especially beneficial in exploiting photothermal effects, for example in photothermal therapy and remote drug release. This work systematically investigates the influence of growth conditions on the size, growth yield, and stability of small gold nanorods. The silver-assisted seed-mediated growth method was optimized to synthesize stable small gold nanorods with a high growth yield (>85%). Further study on the influence of silver ions on the growth facilitates the growth of small gold nanorods with tunable longitudinal surface plasmon resonance from 613 to 912 nm, with average dimensions of 13-25 nm in length and 5-6 nm in diameter. Moreover, the small gold nanorods were successfully functionalized with thiol-modified hairpin oligonucleotides (hpDNA) labeled with Cy5. Fluorescence intensity measurements show an increase in the presence of target DNA and an enhanced signal/background ratio when the longitudinal surface plasmon resonance of small gold nanorods overlaps with the excitation and emission wavelength of Cy5. This coincides with a reduced fluorescence lifetime of Cy5 in the hairpin structure, indicating surface plasmon resonance-enhanced energy transfer to the small gold nanorods. This study may provide insight on the synthesis and functionalization of small gold nanorods in biomedical sensing and therapy.
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Affiliation(s)
- Zendesha
S. Mbalaha
- Department of Physics, Scottish Universities
Physics Alliance, University of Strathclyde, 107 Rottenrow, Glasgow G4 0NG, U.K.
| | - Paul R. Edwards
- Department of Physics, Scottish Universities
Physics Alliance, University of Strathclyde, 107 Rottenrow, Glasgow G4 0NG, U.K.
| | - David J.S. Birch
- Department of Physics, Scottish Universities
Physics Alliance, University of Strathclyde, 107 Rottenrow, Glasgow G4 0NG, U.K.
| | - Yu Chen
- Department of Physics, Scottish Universities
Physics Alliance, University of Strathclyde, 107 Rottenrow, Glasgow G4 0NG, U.K.
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29
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Ashikbayeva Z, Tosi D, Balmassov D, Schena E, Saccomandi P, Inglezakis V. Application of Nanoparticles and Nanomaterials in Thermal Ablation Therapy of Cancer. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E1195. [PMID: 31450616 PMCID: PMC6780818 DOI: 10.3390/nano9091195] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 08/14/2019] [Accepted: 08/16/2019] [Indexed: 01/21/2023]
Abstract
Cancer is one of the major health issues with increasing incidence worldwide. In spite of the existing conventional cancer treatment techniques, the cases of cancer diagnosis and death rates are rising year by year. Thus, new approaches are required to advance the traditional ways of cancer therapy. Currently, nanomedicine, employing nanoparticles and nanocomposites, offers great promise and new opportunities to increase the efficacy of cancer treatment in combination with thermal therapy. Nanomaterials can generate and specifically enhance the heating capacity at the tumor region due to optical and magnetic properties. The mentioned unique properties of nanomaterials allow inducing the heat and destroying the cancerous cells. This paper provides an overview of the utilization of nanoparticles and nanomaterials such as magnetic iron oxide nanoparticles, nanorods, nanoshells, nanocomposites, carbon nanotubes, and other nanoparticles in the thermal ablation of tumors, demonstrating their advantages over the conventional heating methods.
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Affiliation(s)
- Zhannat Ashikbayeva
- Environmental Science & Technology Group (ESTg), Chemical & Materials Engineering Department, Nazarbayev University, 53 Kabanbay batyr ave., 010000 Nur-Sultan, Kazakhstan
| | - Daniele Tosi
- Environmental Science & Technology Group (ESTg), Chemical & Materials Engineering Department, Nazarbayev University, 53 Kabanbay batyr ave., 010000 Nur-Sultan, Kazakhstan
- PI National Laboratory Astana, Nazarbayev University, 53 Kabanbay batyr ave., 010000 Nur-Sultan, Kazakhstan
| | - Damir Balmassov
- Department of Pedagogical Sciences, Astana International University, 8 Kabanbay batyr ave., 010000 Nur-Sultan, Kazakhstan
| | - Emiliano Schena
- Measurements and Biomedical Instrumentation Lab, Department of Engineering, Università Campus Bio-Medico di Roma, Via Alvaro del Portillo, 21-00128 Roma, Italy
| | - Paola Saccomandi
- Department of Mechanical Engineering, Politecnico di Milano, Via Giuseppe La Masa 1, 20156 Milano, Italy
| | - Vassilis Inglezakis
- Environmental Science & Technology Group (ESTg), Chemical & Materials Engineering Department, Nazarbayev University, 53 Kabanbay batyr ave., 010000 Nur-Sultan, Kazakhstan.
- The Environment & Resource Efficiency Cluster (EREC), Nazarbayev University, 53 Kabanbay batyr ave., 010000 Nur-Sultan, Kazakhstan.
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30
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Murphy CJ, Chang HH, Falagan-Lotsch P, Gole MT, Hofmann DM, Hoang KNL, McClain SM, Meyer SM, Turner JG, Unnikrishnan M, Wu M, Zhang X, Zhang Y. Virus-Sized Gold Nanorods: Plasmonic Particles for Biology. Acc Chem Res 2019; 52:2124-2135. [PMID: 31373796 PMCID: PMC6702043 DOI: 10.1021/acs.accounts.9b00288] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Plasmons, collective oscillations of conduction-band electrons in nanoscale metals, are well-known phenomena in colloidal gold and silver nanocrystals that produce brilliant visible colors in these materials that depend on the nanocrystal size and shape. Under illumination at or near the plasmon bands, gold and silver nanocrystals exhibit properties that enable fascinating biological applications: (i) the nanocrystals elastically scatter light, providing a straightforward way to image them in complex aqueous environments; (ii) the nanocrystals produce local electric fields that enable various surface-enhanced spectroscopies for sensing, molecular diagnostics, and boosting of bound fluorophore performance; (iii) the nanocrystals produce heat, which can lead to chemical transformations at or near the nanocrystal surface and can photothermally destroy nearby cells. While all the above-mentioned applications have already been well-demonstrated in the literature, this Account focuses on several other aspects of these nanomaterials, in particular gold nanorods that are approximately the size of viruses (diameters of ∼10 nm, lengths up to 100 nm). Absolute extinction, scattering, and absorption properties are compared for gold nanorods of various absolute dimensions, and references for how to synthesize gold nanorods with four different absolute dimensions are provided. Surface chemistry strategies for coating nanocrystals with smooth or rough shells are detailed; specific examples include mesoporous silica and metal-organic framework shells for porous (rough) coatings and polyelectrolyte layer-by-layer wrapping for "smooth" shells. For self-assembled-monolayer molecular coating ligands, the smoothest shells of all, a wide range of ligand densities have been reported from many experiments, yielding values from less than 1 to nearly 10 molecules/nm2 depending on the nanocrystal size and the nature of the ligand. Systematic studies of ligand density for one particular ligand with a bulky headgroup are highlighted, showing that the highest ligand density occurs for the smallest nanocrystals, even though these ligand headgroups are the most mobile as judged by NMR relaxation studies. Biomolecular coronas form around spherical and rod-shaped nanocrystals upon immersion into biological fluids; these proteins and lipids can be quantified, and their degree of adsorption depends on the nanocrystal surface chemistry as well as the biophysical characteristics of the adsorbing biomolecule. Photothermal adsorption and desorption of proteins on nanocrystals depend on the enthalpy of protein-nanocrystal surface interactions, leading to light-triggered alteration in protein concentrations near the nanocrystals. At the cellular scale, gold nanocrystals exert genetic changes at the mRNA level, with a variety of likely mechanisms that include alteration of local biomolecular concentration gradients, changes in mechanical properties of the extracellular matrix, and physical interruption of key cellular processes-even without plasmonic effects. Microbiomes, both organismal and environmental, are the likely first point of contact of nanomaterials with natural living systems; we see a major scientific frontier in understanding, predicting, and controlling microbe-nanocrystal interactions, which may be augmented by plasmonic effects.
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Affiliation(s)
- Catherine J. Murphy
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 S. Mathews Ave., Urbana, IL 61801
| | - Huei-Huei Chang
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 S. Mathews Ave., Urbana, IL 61801
| | - Priscila Falagan-Lotsch
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 S. Mathews Ave., Urbana, IL 61801
| | - Matthew T. Gole
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 S. Mathews Ave., Urbana, IL 61801
| | - Daniel M. Hofmann
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 S. Mathews Ave., Urbana, IL 61801
| | - Khoi Nguyen L. Hoang
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 S. Mathews Ave., Urbana, IL 61801
| | - Sophia M. McClain
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 S. Mathews Ave., Urbana, IL 61801
| | - Sean M. Meyer
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 S. Mathews Ave., Urbana, IL 61801
| | - Jacob G. Turner
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 S. Mathews Ave., Urbana, IL 61801
| | - Mahima Unnikrishnan
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 S. Mathews Ave., Urbana, IL 61801
| | - Meng Wu
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 S. Mathews Ave., Urbana, IL 61801
| | - Xi Zhang
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 S. Mathews Ave., Urbana, IL 61801
| | - Yishu Zhang
- Department of Chemistry, University of Illinois at Urbana-Champaign, 600 S. Mathews Ave., Urbana, IL 61801
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31
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Onaciu A, Braicu C, Zimta AA, Moldovan A, Stiufiuc R, Buse M, Ciocan C, Buduru S, Berindan-Neagoe I. Gold nanorods: from anisotropy to opportunity. An evolution update. Nanomedicine (Lond) 2019; 14:1203-1226. [PMID: 31075049 DOI: 10.2217/nnm-2018-0409] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Gold nanoparticles have drawn attention to nanomedicine for many years due to their physicochemical properties, which include: good stability; biocompatibility; easy surface chemistry and superior magnetic; and last, electronic properties. All of these properties distinguish gold nanoparticles as advantageous carriers to be exploited. The challenge to develop new gold nanostructures has led to anisotropy, a new property to exploit for various medical applications: diagnostic and imaging strategies as well as therapeutic options. Gold nanorods are the most studied anisotropic gold nanoparticles because of the presence of two absorption peaks according to their longitudinal and transversal plasmon resonances. The longitudinal surface plasmonic resonance can provide the absorption in the near-infrared region and this is an important aspect of using gold nanorods for medical purposes.
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Affiliation(s)
- Anca Onaciu
- Animal Facility Department, MedFuture - Research Center for Advanced Medicine, ''Iuliu Haţieganu'' University of Medicine & Pharmacy, Cluj-Napoca, Romania
| | - Cornelia Braicu
- Research Center for Functional Genomics, Biomedicine & Translational Medicine, ''Iuliu Haţieganu'' University of Medicine & Pharmacy, Cluj-Napoca, Romania
| | - Alina-Andreea Zimta
- Cellular Therapies Department, MedFuture - Research Center for Advanced Medicine, ''Iuliu Haţieganu'' University of Medicine & Pharmacy, Cluj-Napoca, Romania
| | - Alin Moldovan
- Bionanoscopy Department, MedFuture - Research Center for Advanced Medicine, ''Iuliu Haţieganu'' University of Medicine & Pharmacy, Cluj-Napoca, Romania
| | - Rares Stiufiuc
- Bionanoscopy Department, MedFuture - Research Center for Advanced Medicine, ''Iuliu Haţieganu'' University of Medicine & Pharmacy, Cluj-Napoca, Romania.,Pharmaceutical Physics-Biophysics Department, Faculty of Pharmacy, ''Iuliu Haţieganu'' University of Medicine & Pharmacy, Cluj-Napoca, Romania
| | - Mihail Buse
- Cellular Therapies Department, MedFuture - Research Center for Advanced Medicine, ''Iuliu Haţieganu'' University of Medicine & Pharmacy, Cluj-Napoca, Romania
| | - Cristina Ciocan
- Clinical Studies Department, MedFuture - Research Center for Advanced Medicine, ''Iuliu Haţieganu'' University of Medicine & Pharmacy, Cluj-Napoca, Romania
| | - Smaranda Buduru
- Prosthetics & Dental Materials Department, Faculty of Dental Medicine, ''Iuliu Haţieganu'' University of Medicine & Pharmacy, Cluj-Napoca, Romania
| | - Ioana Berindan-Neagoe
- Animal Facility Department, MedFuture - Research Center for Advanced Medicine, ''Iuliu Haţieganu'' University of Medicine & Pharmacy, Cluj-Napoca, Romania.,Research Center for Functional Genomics, Biomedicine & Translational Medicine, ''Iuliu Haţieganu'' University of Medicine & Pharmacy, Cluj-Napoca, Romania.,Functional Genomics & Experimental Pathology Department, The Oncology Institute "Prof. Dr. Ion Chiricuţa", Cluj-Napoca, Romania
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32
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Chen YS, Zhao Y, Yoon SJ, Gambhir SS, Emelianov S. Miniature gold nanorods for photoacoustic molecular imaging in the second near-infrared optical window. NATURE NANOTECHNOLOGY 2019; 14:465-472. [PMID: 30833692 PMCID: PMC6506383 DOI: 10.1038/s41565-019-0392-3] [Citation(s) in RCA: 256] [Impact Index Per Article: 51.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Accepted: 01/25/2019] [Indexed: 05/18/2023]
Abstract
In photoacoustic imaging, the second near-infrared (NIR-II) window is where tissue generates the least background signal. However, the large size of the few available contrast agents in this spectral range impedes their pharmacokinetics and decreases their thermal stability, leading to unreliable photoacoustic imaging. Here, we report the synthesis of miniaturized gold nanorods absorbing in the NIR-II that are 5-11 times smaller than regular-sized gold nanorods with a similar aspect ratio. Under nanosecond pulsed laser illumination, small nanorods are about 3 times more thermally stable and generate 3.5 times stronger photoacoustic signal than their absorption-matched larger counterparts. These unexpected findings are confirmed using theoretical and numerical analysis, showing that photoacoustic signal is not only proportional to the optical absorption of the nanoparticle solution but also to the surface-to-volume ratio of the nanoparticles. In living tumour-bearing mice, these small targeted nanorods display a 30% improvement in efficiency of agent delivery to tumours and generate 4.5 times greater photoacoustic contrast.
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Affiliation(s)
- Yun-Sheng Chen
- Department of Radiology, School of Medicine, Canary Centre for Cancer Early Detection, Molecular Imaging Program at Stanford, Stanford University, Stanford, CA, USA
| | - Yang Zhao
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, USA
| | - Soon Joon Yoon
- Department of Bioengineering, University of Washington, Seattle, WA, USA
| | - Sanjiv Sam Gambhir
- Department of Radiology, School of Medicine, Canary Centre for Cancer Early Detection, Molecular Imaging Program at Stanford, Stanford University, Stanford, CA, USA.
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, USA.
- Department of Bioengineering, Stanford University, Stanford, CA, USA.
| | - Stanislav Emelianov
- School of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, GA, USA.
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University School of Medicine, Atlanta, GA, USA.
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33
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González-Rubio G, Kumar V, Llombart P, Díaz-Núñez P, Bladt E, Altantzis T, Bals S, Peña-Rodríguez O, Noya EG, MacDowell LG, Guerrero-Martínez A, Liz-Marzán LM. Disconnecting Symmetry Breaking from Seeded Growth for the Reproducible Synthesis of High Quality Gold Nanorods. ACS NANO 2019; 13:4424-4435. [PMID: 30939242 DOI: 10.1021/acsnano.8b09658] [Citation(s) in RCA: 69] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
One of the major difficulties hindering the widespread application of colloidal anisotropic plasmonic nanoparticles is the limited robustness and reproducibility of multistep synthetic methods. We demonstrate herein that the reproducibility and reliability of colloidal gold nanorod (AuNR) synthesis can be greatly improved by disconnecting the symmetry-breaking event from the seeded growth process. We have used a modified silver-assisted seeded growth method in the presence of the surfactant hexadecyltrimethylammonium bromide and n-decanol as a co-surfactant to prepare small AuNRs in high yield, which were then used as seeds for the growth of high quality AuNR colloids. Whereas the use of n-decanol provides a more-rigid micellar system, the growth on anisotropic seeds avoids sources of irreproducibility during the symmetry breaking step, yielding uniform AuNR colloids with narrow plasmon bands, ranging from 600 to 1270 nm, and allowing the fine-tuning of the final dimensions. This method provides a robust route for the preparation of high quality AuNR colloids with tunable morphology, size, and optical response in a reproducible and scalable manner.
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Affiliation(s)
- Guillermo González-Rubio
- CIC biomaGUNE/CIBER-BBN , Paseo de Miramón 182 , 20014 Donostia-San Sebastián , Spain
- Departamento de Química Física , Universidad Complutense de Madrid , Avenida Complutense s/n , 28040 Madrid , Spain
| | - Vished Kumar
- CIC biomaGUNE/CIBER-BBN , Paseo de Miramón 182 , 20014 Donostia-San Sebastián , Spain
| | - Pablo Llombart
- Departamento de Química Física , Universidad Complutense de Madrid , Avenida Complutense s/n , 28040 Madrid , Spain
- Instituto de Química Física Rocasolano , CSIC , Calle Serrano 119 , E-28006 Madrid , Spain
| | - Pablo Díaz-Núñez
- Instituto de Fusión Nuclear , Universidad Politécnica de Madrid , José Gutiérrez Abascal 2 , E-28006 Madrid , Spain
| | - Eva Bladt
- EMAT-University of Antwerp , Groenenborgerlaan 171 , B-2020 Antwerp , Belgium
| | - Thomas Altantzis
- EMAT-University of Antwerp , Groenenborgerlaan 171 , B-2020 Antwerp , Belgium
| | - Sara Bals
- EMAT-University of Antwerp , Groenenborgerlaan 171 , B-2020 Antwerp , Belgium
| | - Ovidio Peña-Rodríguez
- Instituto de Fusión Nuclear , Universidad Politécnica de Madrid , José Gutiérrez Abascal 2 , E-28006 Madrid , Spain
| | - Eva G Noya
- Instituto de Química Física Rocasolano , CSIC , Calle Serrano 119 , E-28006 Madrid , Spain
| | - Luis G MacDowell
- Departamento de Química Física , Universidad Complutense de Madrid , Avenida Complutense s/n , 28040 Madrid , Spain
| | - Andrés Guerrero-Martínez
- Departamento de Química Física , Universidad Complutense de Madrid , Avenida Complutense s/n , 28040 Madrid , Spain
| | - Luis M Liz-Marzán
- CIC biomaGUNE/CIBER-BBN , Paseo de Miramón 182 , 20014 Donostia-San Sebastián , Spain
- Ikerbasque (Basque Foundation for Science) , 48013 Bilbao , Spain
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34
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Liu Y, Bhattarai P, Dai Z, Chen X. Photothermal therapy and photoacoustic imaging via nanotheranostics in fighting cancer. Chem Soc Rev 2019; 48:2053-2108. [PMID: 30259015 PMCID: PMC6437026 DOI: 10.1039/c8cs00618k] [Citation(s) in RCA: 1581] [Impact Index Per Article: 316.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The nonradiative conversion of light energy into heat (photothermal therapy, PTT) or sound energy (photoacoustic imaging, PAI) has been intensively investigated for the treatment and diagnosis of cancer, respectively. By taking advantage of nanocarriers, both imaging and therapeutic functions together with enhanced tumour accumulation have been thoroughly studied to improve the pre-clinical efficiency of PAI and PTT. In this review, we first summarize the development of inorganic and organic nano photothermal transduction agents (PTAs) and strategies for improving the PTT outcomes, including applying appropriate laser dosage, guiding the treatment via imaging techniques, developing PTAs with absorption in the second NIR window, increasing photothermal conversion efficiency (PCE), and also increasing the accumulation of PTAs in tumours. Second, we introduce the advantages of combining PTT with other therapies in cancer treatment. Third, the emerging applications of PAI in cancer-related research are exemplified. Finally, the perspectives and challenges of PTT and PAI for combating cancer, especially regarding their clinical translation, are discussed. We believe that PTT and PAI having noteworthy features would become promising next-generation non-invasive cancer theranostic techniques and improve our ability to combat cancers.
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Affiliation(s)
- Yijing Liu
- Laboratory of Molecular Imaging and Nanomedicine, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD 20892, USA
| | - Pravin Bhattarai
- Department of Biomedical Engineering, College of Engineering, Peking University, Beijing 100871, China
| | - Zhifei Dai
- Department of Biomedical Engineering, College of Engineering, Peking University, Beijing 100871, China
| | - Xiaoyuan Chen
- Laboratory of Molecular Imaging and Nanomedicine, National Institute of Biomedical Imaging and Bioengineering, National Institutes of Health, Bethesda, MD 20892, USA
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35
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Huo D, Kim MJ, Lyu Z, Shi Y, Wiley BJ, Xia Y. One-Dimensional Metal Nanostructures: From Colloidal Syntheses to Applications. Chem Rev 2019; 119:8972-9073. [DOI: 10.1021/acs.chemrev.8b00745] [Citation(s) in RCA: 180] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Da Huo
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia 30332, United States
| | - Myung Jun Kim
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
| | - Zhiheng Lyu
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Yifeng Shi
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Benjamin J. Wiley
- Department of Chemistry, Duke University, Durham, North Carolina 27708, United States
| | - Younan Xia
- The Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia 30332, United States
- School of Chemistry and Biochemistry, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
- School of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
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36
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Golla M, Albert SK, Atchimnaidu S, Perumal D, Krishnan N, Varghese R. DNA‐Decorated, Helically Twisted Nanoribbons: A Scaffold for the Fabrication of One‐Dimensional, Chiral, Plasmonic Nanostructures. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201813900] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Murali Golla
- School of ChemistryIndian Institute of Science Education and Research (IISER) Thiruvananthapuram Trivandrum- 695551 Kerala India
| | - Shine K. Albert
- School of ChemistryIndian Institute of Science Education and Research (IISER) Thiruvananthapuram Trivandrum- 695551 Kerala India
| | - Siriki Atchimnaidu
- School of ChemistryIndian Institute of Science Education and Research (IISER) Thiruvananthapuram Trivandrum- 695551 Kerala India
| | - Devanathan Perumal
- School of ChemistryIndian Institute of Science Education and Research (IISER) Thiruvananthapuram Trivandrum- 695551 Kerala India
| | - Nithiyanandan Krishnan
- School of ChemistryIndian Institute of Science Education and Research (IISER) Thiruvananthapuram Trivandrum- 695551 Kerala India
| | - Reji Varghese
- School of ChemistryIndian Institute of Science Education and Research (IISER) Thiruvananthapuram Trivandrum- 695551 Kerala India
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37
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Golla M, Albert SK, Atchimnaidu S, Perumal D, Krishnan N, Varghese R. DNA-Decorated, Helically Twisted Nanoribbons: A Scaffold for the Fabrication of One-Dimensional, Chiral, Plasmonic Nanostructures. Angew Chem Int Ed Engl 2019; 58:3865-3869. [PMID: 30690822 DOI: 10.1002/anie.201813900] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Indexed: 11/06/2022]
Abstract
Crafting of chiral plasmonic nanostructures is extremely important and challenging. DNA-directed organization of nanoparticle on a chiral template is the most appealing strategy for this purpose. Herein, we report a supramolecular approach for the design of DNA-decorated, helically twisted nanoribbons through the amphiphilicity-driven self-assembly of a new class of amphiphiles derived from DNA and hexaphenylbenzene (HPB). The ribbons are self-assembled in a lamellar fashion through the hydrophobic interactions of HPB. The transfer of molecular chirality of ssDNA into the HPB core results in the bias of one of the chiral propeller conformations for HPB and induces a helical twist into the lamellar packing, and leads to the formation of DNA-wrapped nanoribbons with M-helicity. The potential of the ribbon to act as a reversible template for the 1D chiral organization of plasmonic nanomaterials through DNA hybridization is demonstrated.
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Affiliation(s)
- Murali Golla
- School of Chemistry, Indian Institute of Science Education and Research (IISER) Thiruvananthapuram, Trivandrum-, 695551, Kerala, India
| | - Shine K Albert
- School of Chemistry, Indian Institute of Science Education and Research (IISER) Thiruvananthapuram, Trivandrum-, 695551, Kerala, India
| | - Siriki Atchimnaidu
- School of Chemistry, Indian Institute of Science Education and Research (IISER) Thiruvananthapuram, Trivandrum-, 695551, Kerala, India
| | - Devanathan Perumal
- School of Chemistry, Indian Institute of Science Education and Research (IISER) Thiruvananthapuram, Trivandrum-, 695551, Kerala, India
| | - Nithiyanandan Krishnan
- School of Chemistry, Indian Institute of Science Education and Research (IISER) Thiruvananthapuram, Trivandrum-, 695551, Kerala, India
| | - Reji Varghese
- School of Chemistry, Indian Institute of Science Education and Research (IISER) Thiruvananthapuram, Trivandrum-, 695551, Kerala, India
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38
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Prisner L, Witthöft P, Nguyen LVN, Tsangas T, Gefken T, Klaus F, Strelow C, Kipp T, Mews A. Monitoring the death of single BaF3 cells under plasmonic photothermal heating induced by ultrasmall gold nanorods. J Mater Chem B 2019. [DOI: 10.1039/c8tb03135e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Morphological changes and trypan-blue staining are temporally tracked in single cells via optical microscopy after plasmonic photothermal heating.
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Affiliation(s)
- Lisa Prisner
- Institute of Physical Chemistry
- University of Hamburg
- D-20146, Hamburg
- Germany
| | - Phillip Witthöft
- Institute of Physical Chemistry
- University of Hamburg
- D-20146, Hamburg
- Germany
| | - Lan Vi Ngoc Nguyen
- Institute of Physical Chemistry
- University of Hamburg
- D-20146, Hamburg
- Germany
| | - Thomas Tsangas
- Institute of Physical Chemistry
- University of Hamburg
- D-20146, Hamburg
- Germany
| | - Tobias Gefken
- Institute of Physical Chemistry
- University of Hamburg
- D-20146, Hamburg
- Germany
| | - Florentine Klaus
- Institute of Physical Chemistry
- University of Hamburg
- D-20146, Hamburg
- Germany
| | - Christian Strelow
- Institute of Physical Chemistry
- University of Hamburg
- D-20146, Hamburg
- Germany
| | - Tobias Kipp
- Institute of Physical Chemistry
- University of Hamburg
- D-20146, Hamburg
- Germany
| | - Alf Mews
- Institute of Physical Chemistry
- University of Hamburg
- D-20146, Hamburg
- Germany
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39
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Zou W, Xie H, Ye Y, Ni W. Tailoring optical cross sections of gold nanorods at a target plasmonic resonance wavelength using bromosalicylic acid. RSC Adv 2019; 9:16028-16034. [PMID: 35521416 PMCID: PMC9064349 DOI: 10.1039/c9ra02106j] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Accepted: 04/28/2019] [Indexed: 11/21/2022] Open
Abstract
We demonstrate finely tailoring optical cross sections of AuNRs at a fixed target resonance wavelength, on the basis of AuNR overgrowth using a binary surfactant mixture consisting 5-bromosalicylic acid (BSA) and cetyltrimethylammonium bromide (CTAB).
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Affiliation(s)
- Weiwei Zou
- Jiangsu Key Laboratory of Thin Films
- School of Physical Science and Technology
- Soochow University
- Suzhou 215006
- People's Republic of China
| | - Hao Xie
- Jiangsu Key Laboratory of Thin Films
- School of Physical Science and Technology
- Soochow University
- Suzhou 215006
- People's Republic of China
| | - Yang Ye
- Jiangsu Key Laboratory of Thin Films
- School of Physical Science and Technology
- Soochow University
- Suzhou 215006
- People's Republic of China
| | - Weihai Ni
- Jiangsu Key Laboratory of Thin Films
- School of Physical Science and Technology
- Soochow University
- Suzhou 215006
- People's Republic of China
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40
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Requejo KI, Liopo AV, Zubarev ER. Synthesis of Gold Nanorods Using Poly(vinylpyrrolidone) of Different Molecular Weights as an Additive. ChemistrySelect 2018. [DOI: 10.1002/slct.201803337] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
| | - Anton V. Liopo
- Department of ChemistryRice University 6100 Main St. Houston TX 77005
| | - Eugene R. Zubarev
- Department of ChemistryRice University 6100 Main St. Houston TX 77005
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41
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Leng C, Zhang X, Xu F, Yuan Y, Pei H, Sun Z, Li L, Bao Z. Engineering Gold Nanorod-Copper Sulfide Heterostructures with Enhanced Photothermal Conversion Efficiency and Photostability. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2018; 14:e1703077. [PMID: 29436109 DOI: 10.1002/smll.201703077] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 01/07/2018] [Indexed: 05/07/2023]
Abstract
Plasmonic gold nanorods (Au NRs)-copper sulfide heterostructures have recently attracted much attention owing to the synergistically enhanced photothermal properties. However, the facile synthesis and interface tailoring of Au NRs-copper sulfide heterostructures remain a formidable challenge. In this study, the rational design and synthesis of Au NRs-Cu7 S4 heterostructures via a one-pot hydrothermal process is reported. Specifically, core-shell and dumbbell-like Au NRs-Cu7 S4 heterostructures are obtained with well-controlled interfaces by employing the Au NRs with different aspect ratios. Both core-shell and dumbbell-like Au NRs-Cu7 S4 have proven effective as photothermal therapy agents, which offer both high photothermal stability and significant photothermal conversion efficiency up to 62%. The finite-difference time domain simulation results confirm the coupling effect that leads to the enhanced local field as well as the optical absorption at the heterostructure interface. Importantly, these Au NRs-Cu7 S4 heterostructures can be compatibly used as an 808 nm laser-driven photothermal therapy agents for the efficient photothermal therapy of cancer cells in vitro. This study will provide new insight into the design of other noble metal-semiconductor heterostructures for a broad range of applications utilizing surface plasmon resonance enhancement phenomena.
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Affiliation(s)
- Chunbo Leng
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, 110016, P. R. China
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, P. R. China
| | - Xin Zhang
- School of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, 110016, P. R. China
| | - Fanxing Xu
- School of Life Science and Biopharmaceutics, Shenyang Pharmaceutical University, Shenyang, 110016, P. R. China
| | - Yue Yuan
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, 110016, P. R. China
| | - Hao Pei
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, P. R. China
| | - Zhenhua Sun
- Institute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, P. R. China
| | - Li Li
- School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, 200241, P. R. China
| | - Zhihong Bao
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, 110016, P. R. China
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42
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Chang HH, Murphy CJ. Mini Gold Nanorods with Tunable Plasmonic Peaks beyond 1000 nm. CHEMISTRY OF MATERIALS : A PUBLICATION OF THE AMERICAN CHEMICAL SOCIETY 2018; 30:1427-1435. [PMID: 31404258 PMCID: PMC6688645 DOI: 10.1021/acs.chemmater.7b05310] [Citation(s) in RCA: 101] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Gold nanorods of small sizes have larger absorption cross sections and higher photothermal efficiency compared to larger ones. However, tuning the surface plasmon resonance of small gold nanorods remains a challenge because increasing an aspect ratio usually results from increasing dimensions. We demonstrate the synthesis of mini gold nanorods with tunable longitudinal surface plasmon resonance from ~600 to >1300 nm accompanied by precise control over widths <10 nm. Two weak reducing agents, ascorbic acid and even milder hydroquinone, were applied to a seed-mediated growth method to tune the aspect ratios of mini gold nanorods from 2.2 to 10.8 corresponding to average dimensions 19.3 × 9.0 nm through 93.1 × 8.7 nm, respectively. This seed-mediated growth of mini gold nanorods results in an average 96% of rods and yields of at least 79% based on gold ion reduction. The extinction coefficients of mini gold nanorods were established based on the gold content from inductively coupled plasma mass spectrometry. The longitudinal extinction coefficients range from 1.6 × 108 to 1.4 × 109 M-1 cm-1 depending on aspect ratio. We show that liter-scale mini gold nanorod syntheses are reproducible, and the dimensions, aspect ratios, and shape percent yields are comparable to those of a small-scale synthesis.
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Affiliation(s)
- Huei-Huei Chang
- Department of Chemistry, University of Illinois at
Urbana—Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801,
United States
| | - Catherine J. Murphy
- Department of Chemistry, University of Illinois at
Urbana—Champaign, 600 South Mathews Avenue, Urbana, Illinois 61801,
United States
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43
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Awan UA, Ali S, Rehman M, Zia N, Sohaila Naz S, Ovais M, Raza A. Stable and reproducible synthesis of gold nanorods for biomedical applications: a comprehensive study. IET Nanobiotechnol 2018; 12:182-190. [PMCID: PMC8676486 DOI: 10.1049/iet-nbt.2016.0220] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Revised: 09/17/2017] [Accepted: 09/28/2017] [Indexed: 09/26/2023] Open
Abstract
Gold nanorods (GNRs) are ideal choice in biomedical research due to their amenability of synthesis, tunable plasmonic properties, less toxicity and ease of detection but their diverse biological applications necessitate stable structure. Despite two decades' efforts made towards reproducible anisotropic structures synthesis, still the kinetic control during GNRs growth has not been achieved. This study is an attempt to apprehend thermodynamic and kinetic parameters for synthesising mono‐disperse, reproducible and highly stable GNRs with desired aspect ratios. Effects of various growth parameters and assay steps on the facile and reproducible synthesis of GNRs are analysed. GNRs' environmental and biological colloidal stability is studied through UV–Vis spectroscopy based particle instability parameter (PIP < 0.1). The authors hereby report GNRs with tunable longitudinal surface plasmon resonance (682–906 nm) having different aspect ratios (2.5–4.6) that are stable at 28–60°C; however, prolonged high temperature ( > 60°C) and alkaline pH can trigger colloidal instability. GNRs remain stable at higher salt concentration, physiological and slightly acidic pH. GNRs can be stored in 0.001 M cetyltrimethylammonium bromide for 3 months without compromising their stability. PEGylated GNRs are quite stable in cellular media solution (PIP < 0.1). With current optimised growth conditions, no aggregation at physiological pH and stability at high temperatures make GNRs an ideal candidate in biomedical applications.
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Affiliation(s)
- Uzma Azeem Awan
- Nanotheragnostic Research LabsNational Institute of Laser and OptronicsIslamabadPakistan
- Department of BiotechnologyUniversity of Azad Jammu and Kashmir MuzaffarabadMuzaffarabadPakistan
| | - Shaukat Ali
- Medical Toxicology LaboratoryDepartment of ZoologyUniversity of Azad Jammu and Kashmir MuzaffarabadMuzaffarabadPakistan
| | - Mehreen Rehman
- Nanotheragnostic Research LabsNational Institute of Laser and OptronicsIslamabadPakistan
| | - Nashmia Zia
- Nanotheragnostic Research LabsNational Institute of Laser and OptronicsIslamabadPakistan
| | - Syeda Sohaila Naz
- Nanotheragnostic Research LabsNational Institute of Laser and OptronicsIslamabadPakistan
| | - Muhammad Ovais
- Nanotheragnostic Research LabsNational Institute of Laser and OptronicsIslamabadPakistan
| | - Abida Raza
- Nanotheragnostic Research LabsNational Institute of Laser and OptronicsIslamabadPakistan
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44
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An L, Wang Y, Tian Q, Yang S. Small Gold Nanorods: Recent Advances in Synthesis, Biological Imaging, and Cancer Therapy. MATERIALS (BASEL, SWITZERLAND) 2017; 10:E1372. [PMID: 29189739 PMCID: PMC5744307 DOI: 10.3390/ma10121372] [Citation(s) in RCA: 54] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2017] [Revised: 11/16/2017] [Accepted: 11/25/2017] [Indexed: 01/22/2023]
Abstract
Over the past few decades, the synthetic development of ultra-small nanoparticles has become an important strategy in nano-medicine, where smaller-sized nanoparticles are known to be more easily excreted from the body, greatly reducing the risk caused by introducing nano-theranostic agents. Gold nanorods are one of the most important nano-theranostic agents because of their special optical and electronic properties. However, the large size (diameter > 6 nm) of most obtained gold nanorods limits their clinical application. In recent years, more and more researchers have begun to investigate the synthesis and application of small gold nanorods (diameter < 6 nm), which exhibit similar optical and electronic properties as larger gold nanorods. In this review, we summarize the recent advances of synthesis of the small gold nanorods and their application for near-infrared light-mediated bio-imaging and cancer therapy.
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Affiliation(s)
- Lu An
- The Key Laboratory of Resource Chemistry of the Ministry of Education, the Shanghai Key Laboratory of Rare Earth Functional Materials, and the Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors, Shanghai Normal University, Shanghai 200234, China.
| | - Yuanyuan Wang
- The Key Laboratory of Resource Chemistry of the Ministry of Education, the Shanghai Key Laboratory of Rare Earth Functional Materials, and the Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors, Shanghai Normal University, Shanghai 200234, China.
| | - Qiwei Tian
- The Key Laboratory of Resource Chemistry of the Ministry of Education, the Shanghai Key Laboratory of Rare Earth Functional Materials, and the Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors, Shanghai Normal University, Shanghai 200234, China.
| | - Shiping Yang
- The Key Laboratory of Resource Chemistry of the Ministry of Education, the Shanghai Key Laboratory of Rare Earth Functional Materials, and the Shanghai Municipal Education Committee Key Laboratory of Molecular Imaging Probes and Sensors, Shanghai Normal University, Shanghai 200234, China.
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45
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Ghobadi A, Dereshgi SA, Hajian H, Birant G, Butun B, Bek A, Ozbay E. 97 percent light absorption in an ultrabroadband frequency range utilizing an ultrathin metal layer: randomly oriented, densely packed dielectric nanowires as an excellent light trapping scaffold. NANOSCALE 2017; 9:16652-16660. [PMID: 28901365 DOI: 10.1039/c7nr04186a] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
In this paper, we propose a facile and large scale compatible design to obtain perfect ultrabroadband light absorption using metal-dielectric core-shell nanowires. The design consists of atomic layer deposited (ALD) Pt metal uniformly wrapped around hydrothermally grown titanium dioxide (TiO2) nanowires. It is found that the randomly oriented dense TiO2 nanowires can impose excellent light trapping properties where the existence of an ultrathin Pt layer (with a thickness of 10 nm) can absorb the light in an ultrabroadband frequency range with an amount near unity. Throughout this study, we first investigate the formation of resonant modes in the metallic nanowires. Our findings prove that a nanowire structure can support multiple longitudinal localized surface plasmons (LSPs) along its axis together with transverse resonance modes. Our investigations showed that the spectral position of these resonance peaks can be tuned with the length, radius, and orientation of the nanowire. Therefore, TiO2 random nanowires can contain all of these features simultaneously in which the superposition of responses for these different geometries leads to a flat perfect light absorption. The obtained results demonstrate that taking unique advantages of the ALD method, together with excellent light trapping of chemically synthesized nanowires, a perfect, bifacial, wide angle, and large scale compatible absorber can be made where an excellent performance is achieved while using less materials.
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Affiliation(s)
- Amir Ghobadi
- NANOTAM-Nanotechnology Research Center, Bilkent University, 06800 Ankara, Turkey.
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46
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Zhu X, Yip HK, Zhuo X, Jiang R, Chen J, Zhu XM, Yang Z, Wang J. Realization of Red Plasmon Shifts up to ∼900 nm by AgPd-Tipping Elongated Au Nanocrystals. J Am Chem Soc 2017; 139:13837-13846. [DOI: 10.1021/jacs.7b07462] [Citation(s) in RCA: 72] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Xingzhong Zhu
- Key
Laboratory for Thin Film and Microfabrication of Ministry of Education,
Department of Micro/Nano Electronics, School of Electronic Information
and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Hang Kuen Yip
- Department
of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - Xiaolu Zhuo
- Department
of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - Ruibin Jiang
- Key
Shaanxi Engineering Lab for Advanced Energy Technology, School of
Material Science and Engineering, Shaanxi Normal University, Xi’an 710119, China
| | - Jianli Chen
- State
Key Laboratory of Quality Research in Chinese Medicine, Macau Institute
for Applied Research in Medicine and Health, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau SAR, China
| | - Xiao-Ming Zhu
- State
Key Laboratory of Quality Research in Chinese Medicine, Macau Institute
for Applied Research in Medicine and Health, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau SAR, China
| | - Zhi Yang
- Key
Laboratory for Thin Film and Microfabrication of Ministry of Education,
Department of Micro/Nano Electronics, School of Electronic Information
and Electrical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Jianfang Wang
- Department
of Physics, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
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47
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Park K, Hsiao MS, Yi YJ, Izor S, Koerner H, Jawaid A, Vaia RA. Highly Concentrated Seed-Mediated Synthesis of Monodispersed Gold Nanorods. ACS APPLIED MATERIALS & INTERFACES 2017; 9:26363-26371. [PMID: 28714667 DOI: 10.1021/acsami.7b08003] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The extremely large optical extinction coefficient of gold nanorods (Au-NRs) enables their use in a diverse array of technologies, rnging from plasmonic imaging, therapeutics and sensors, to large area coatings, filters, and optical attenuators. Development of the latter technologies has been hindered by the lack of cost-effective, large volume production. This is due in part to the low reactant concentration required for symmetry breaking in conventional seed-mediated synthesis. Direct scale up of laboratory procedures has limited viability because of excessive solvent volume, exhaustive postsynthesis purification processes, and the generation of large amounts of waste (e.g., hexadecyltrimethylammonium bromide(CTAB)). Following recent insights into the growth mechanism of Au-NRs and the role of seed development, we modify the classic seed-mediated synthesis via temporal control of seed and reactant concentration to demonstrate production of Au-NRs at more than 100-times the conventional concentration, while maintaining independent control and narrow distribution of nanoparticle dimensions, aspect ratio, and volume. Thus, gram scale synthesis of Au-NRs with prescribed aspect ratio and volume is feasible in a 100 mL reactor with 1/100th of organic waste relative to conventional approaches. Such scale-up techniques are crucial to cost-effectively meet the increased demand for large quantities of Au-NRs in emerging applications.
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Affiliation(s)
- Kyoungweon Park
- Materials and Manufacturing Directorate, Air Force Research Laboratory , Wright-Patterson AFB, Ohio 45433-7702, United States
- UES, Inc. , Dayton, Ohio 45432, United States
| | - Ming-Siao Hsiao
- Materials and Manufacturing Directorate, Air Force Research Laboratory , Wright-Patterson AFB, Ohio 45433-7702, United States
- UES, Inc. , Dayton, Ohio 45432, United States
| | - Yoon-Jae Yi
- Materials and Manufacturing Directorate, Air Force Research Laboratory , Wright-Patterson AFB, Ohio 45433-7702, United States
- UES, Inc. , Dayton, Ohio 45432, United States
| | - Sarah Izor
- Materials and Manufacturing Directorate, Air Force Research Laboratory , Wright-Patterson AFB, Ohio 45433-7702, United States
- UES, Inc. , Dayton, Ohio 45432, United States
| | - Hilmar Koerner
- Materials and Manufacturing Directorate, Air Force Research Laboratory , Wright-Patterson AFB, Ohio 45433-7702, United States
| | - Ali Jawaid
- Materials and Manufacturing Directorate, Air Force Research Laboratory , Wright-Patterson AFB, Ohio 45433-7702, United States
- UES, Inc. , Dayton, Ohio 45432, United States
| | - Richard A Vaia
- Materials and Manufacturing Directorate, Air Force Research Laboratory , Wright-Patterson AFB, Ohio 45433-7702, United States
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48
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49
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Burrows ND, Harvey S, Idesis FA, Murphy CJ. Understanding the Seed-Mediated Growth of Gold Nanorods through a Fractional Factorial Design of Experiments. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2017; 33:1891-1907. [PMID: 27983861 DOI: 10.1021/acs.langmuir.6b03606] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Since the development of simple, aqueous protocols for the synthesis of anisotropic metal nanoparticles, research into many promising, valuable applications of gold nanorods has grown considerably, but a number of challenges remain, including gold-particle yield, robustness to minor impurities, and precise control of gold nanorod surface chemistry. Herein we present the results of a composite fractional factorial series of experiments designed to screen seven additional potential avenues of control and to understand the seed-mediated silver-assisted synthesis of gold nanorods. These synthesis variables are the amount of sodium borohydride used and the rate of stirring when producing seed nanoparticles, the age of and the amount of seeds added, the reaction temperature, the amounts of silver nitrate and ascorbic acid added, and the age of the reduced growth solution before seed nanoparticles are added to initiate rod formation. This statistical experimental design and analysis method, besides determining which experimental variables are important and which are not when synthesizing gold nanorods (and quantifying their effects), gives further insight into the mechanism of growth by measuring the degree to which variables interact with each other by mapping out their mechanistic connections. This work demonstrates that when forming gold nanorods by the reduction of auric ions by ascorbic acid onto seed nanoparticles, ascorbic acid determines how much gold is reduced, and the amount of seeds determine how it is divided, yet both influence the intrinsic growth rates, in both width and length, of the forming nanorods. Furthermore, this work shows that the reduction of gold proceeds via direct reduction on the surface of seeds and not through a disproportionation reaction. Further control over the length of gold nanorods can be achieved by tuning the amount of silver nitrate or the reaction temperature. This work shows that silver does not directly influence rod length or width, and a new primary role for silver is proposed as a catalyst promoting the reduction of gold on the ends of forming nanorods. Furthermore, this silver catalyst is removed from the reaction by adsorption onto the surface of the growing nanorod. This work also demonstrates the importance of freshly prepared silver nitrate and ascorbic acid solutions, free from even a few hours of photodegradation, in preparing gold nanorods with high shape purity and gold yield.
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Affiliation(s)
- Nathan D Burrows
- Department of Chemistry, 600 S. Mathews Avenue, University of Illinois at Urbana-Champaign , Urbana, Illinois 61801, United States
| | - Samantha Harvey
- Department of Chemistry, 600 S. Mathews Avenue, University of Illinois at Urbana-Champaign , Urbana, Illinois 61801, United States
| | - Fred A Idesis
- Department of Chemistry, 600 S. Mathews Avenue, University of Illinois at Urbana-Champaign , Urbana, Illinois 61801, United States
| | - Catherine J Murphy
- Department of Chemistry, 600 S. Mathews Avenue, University of Illinois at Urbana-Champaign , Urbana, Illinois 61801, United States
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50
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Yu R, Liz-Marzán LM, García de Abajo FJ. Universal analytical modeling of plasmonic nanoparticles. Chem Soc Rev 2017; 46:6710-6724. [DOI: 10.1039/c6cs00919k] [Citation(s) in RCA: 104] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Analytical expressions are applied to calculate the plasmonic spectra of nanoparticles with arbitrary morphology, in excellent agreement with experimental data.
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Affiliation(s)
- Renwen Yu
- ICFO-Institut de Ciencies Fotoniques
- The Barcelona Institute of Science and Technology
- 08860 Castelldefels (Barcelona)
- Spain
| | - Luis M. Liz-Marzán
- Bionanoplasmonics Laboratory
- CIC biomaGUNE
- 20014 Donostia-San Sebastian
- Spain
- Ikerbasque
| | - F. Javier García de Abajo
- ICFO-Institut de Ciencies Fotoniques
- The Barcelona Institute of Science and Technology
- 08860 Castelldefels (Barcelona)
- Spain
- ICREA-Institució Catalana de Recerca i Estudis Avançats
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