151
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Sun L, Li Z, Li Z, Hu Y, Chen C, Yang C, Du B, Sun Y, Besenbacher F, Yu M. Design and mechanism of core-shell TiO 2 nanoparticles as a high-performance photothermal agent. NANOSCALE 2017; 9:16183-16192. [PMID: 29043348 DOI: 10.1039/c7nr02848b] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Photothermal agents (PTAs) with high biocompatibility and therapeutic efficacy have become particularly fascinating, however, knowledge of their photothermal performance is rather limited. Herein, rationally designed core-shell TiO2 nanoparticles have been fabricated using a mild hydrogenation method, where NaBH4 was used as the H2 source. The resultant TiO2 possesses strong optical absorption in the NIR region and remarkable photothermal conversion capability and stability, leading to a high inhibition rate on cancer cells. In particular, its photothermal conversion efficiency is as high as 55.2%, which is 204% that of the fully hydrogenated amorphous TiO2. More importantly, the underlying mechanism is proposed. It is revealed that while the oxygen vacancies induced by the hydrogenation can introduce defect levels in the band gap and enhance the optical absorption, the superfluous oxygen vacancies and defects reduce the photothermal conversion capability and thermal conductivity to a large extent. Controlling the hydrogenation degree and maintaining a certain extent of crystallization are, therefore, crucial to the photothermal properties. This new understanding of the photothermal conversion mechanism may have provided a fresh route to design and optimize PTAs and inspire considerable interest to turn a large variety of semiconductor metal oxides into competent PTAs by appropriate hydrogenation.
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Affiliation(s)
- Lei Sun
- State Key Laboratory of Urban Water Resource and Environment, School of Chemical Engineering and Technology, Harbin Institute of Technology, Harbin 150001, China.
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152
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Cao GJ, Jiang X, Zhang H, Zheng J, Croley TR, Yin JJ. Exploring the activities of ruthenium nanomaterials as reactive oxygen species scavengers. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART C, ENVIRONMENTAL CARCINOGENESIS & ECOTOXICOLOGY REVIEWS 2017; 35:223-238. [PMID: 29115913 DOI: 10.1080/10590501.2017.1391516] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Research on noble metal nanoparticles (NPs) able to scavenge reactive oxygen species (ROS) has undergone a tremendous growth recently. However, the interactions between ruthenium nanoparticles (Ru NPs) and ROS have never been systematically explored thus far. This research focused on the decomposition of hydrogen peroxide (H2O2), scavenging of hydroxyl radicals (•OH), superoxide radical (O2•-), singlet oxygen (1O2), 2,2'-azino-bis(3-ethylbenzenothiazoline- 6-sulfonic acid ion (ABTS•+), and 1,1-diphenyl-2-picrylhydrazyl radical (•DPPH) in the presence of commercial Ru NPs using the electron spin resonance technique. In vitro cell studies demonstrated that Ru NPs have excellent biocompatibility and exert a cytoprotective effect against oxidative stress. These findings may spark fresh enthusiasm for the applications of Ru NPs under relevant physiologically conditions.
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Affiliation(s)
- Gao-Juan Cao
- a Department of Applied Chemistry , College of Life Sciences, Fujian Agriculture and Forestry University , Fuzhou , Fujian , China
- b Division of Analytical Chemistry , Office of Regulatory Science, Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration , College Park , Maryland , USA
| | - Xiumei Jiang
- b Division of Analytical Chemistry , Office of Regulatory Science, Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration , College Park , Maryland , USA
| | - Hui Zhang
- b Division of Analytical Chemistry , Office of Regulatory Science, Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration , College Park , Maryland , USA
| | - Jiwen Zheng
- c Center for Devices and Radiological Health, U.S. Food and Drug Administration , Silver Spring , Maryland , USA
| | - Timothy R Croley
- b Division of Analytical Chemistry , Office of Regulatory Science, Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration , College Park , Maryland , USA
| | - Jun-Jie Yin
- b Division of Analytical Chemistry , Office of Regulatory Science, Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration , College Park , Maryland , USA
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153
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Panikkanvalappil SR, Hooshmand N, El-Sayed MA. Intracellular Assembly of Nuclear-Targeted Gold Nanosphere Enables Selective Plasmonic Photothermal Therapy of Cancer by Shifting Their Absorption Wavelength toward Near-Infrared Region. Bioconjug Chem 2017; 28:2452-2460. [PMID: 28837765 DOI: 10.1021/acs.bioconjchem.7b00427] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Despite the important applications of near-infrared (NIR) absorbing nanomaterials in plasmonic photothermal therapy (PPT), their high yield synthesis and nonspecific heating during the active- and passive-targeted cancer therapeutic strategies remain challenging. In the present work, we systematically demonstrate that in situ aggregation of typical non-NIR absorbing plasmonic nanoparticles at the nuclear region of the cells could translate them into an effective NIR photoabsorber in plasmonic photothermal therapy of cancer due to a significant shift of the plasmonic absorption band to the NIR region. We evaluated the potential of nuclear-targeted AuNSs as photoabsorber at various stages of endocytosis by virtue of their inherent in situ assembling capabilities at the nuclear region of the cells, which has been considered as one of the most thermolabile structures within the cells, to selectively destruct cancer cells with minimal damage to healthy cells. Various plasmonic nanoparticles such as rods and cubes have been exploited to elucidate the role of plasmonic field coupling in assembled nanoparticles and their subsequent killing efficiency. The NIR absorbing capabilities of aggregated AuNSs have been further demonstrated both experimentally and theoretically using discrete dipolar approximation (DDA) techniques, which was in concordance with the observed results in plasmonic photothermal therapeutic studies. While the current work was able to demonstrate the utility of non-NIR absorbing plasmonic nanoparticles as a potential alternative for plasmonic photothermal therapy by inducing localized plasmonic heating at the nuclear region of the cells, these findings could potentially open up new possibilities in developing more efficient nanoparticles for efficient cancer treatment modalities.
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Affiliation(s)
- Sajanlal R Panikkanvalappil
- Laser Dynamics Laboratory, School of Chemistry and Biochemistry, Georgia Institute of Technology , Atlanta, Georgia 30332, United States
| | - Nasrin Hooshmand
- Laser Dynamics Laboratory, School of Chemistry and Biochemistry, Georgia Institute of Technology , Atlanta, Georgia 30332, United States
| | - Mostafa A El-Sayed
- Laser Dynamics Laboratory, School of Chemistry and Biochemistry, Georgia Institute of Technology , Atlanta, Georgia 30332, United States
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154
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Chen Z, Fan H, Li J, Tie S, Lan S. Photothermal therapy of single cancer cells mediated by naturally created gold nanorod clusters. OPTICS EXPRESS 2017; 25:15093-15107. [PMID: 28788941 DOI: 10.1364/oe.25.015093] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Accepted: 06/17/2017] [Indexed: 05/27/2023]
Abstract
Gold nanorods (GNRs) are generally considered to be nontoxic to normal and cancer cells. They are usually accumulated at lysosomes after entering into cells, forming GNR clusters in which strong plasmonic coupling between GNRs is expected. We investigated the photothermal therapy of single cancer cells by exploiting the significantly enhanced two-photon-induced absorption of GNR clusters naturally created in the lysosomes of cancer cells. It was revealed numerically that the plasmonic coupling between GNRs in GNR clusters can effectively enhance the photothermal conversion efficiency. As a result, the thermal damage of single cancer cells can be induced by using pulse energy as low as ~70 pJ. In experiments, the locations of GNR clusters can be accurately determined through the detection of the two-photon-induced luminescence, which is also significantly enhanced, by using a confocal laser scanning microscope. The photothermal therapy was conducted by focusing femtosecond laser light on the targeted GNR clusters, generating bubbles and deforming cell membranes. The photothermal therapy proposed in this work can lead to the rapid and acute injury of single cancer cells. The dependence of the apoptosis time on the pulse energy of femtosecond laser light was also examined. Our findings suggest a novel strategy for the photothermal therapy of single cancer cells with ultralow energy.
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155
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Yang X, Li L, He D, Hai L, Tang J, Li H, He X, Wang K. A metal-organic framework based nanocomposite with co-encapsulation of Pd@Au nanoparticles and doxorubicin for pH- and NIR-triggered synergistic chemo-photothermal treatment of cancer cells. J Mater Chem B 2017; 5:4648-4659. [PMID: 32264307 DOI: 10.1039/c7tb00715a] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Here, we report a novel metal-organic framework-based nanocomposite with encapsulated Pd@Au nanoparticles and doxorubicin (DOX) for pH- and NIR-triggered synergistic chemo-photothermal treatment of cancer cells. In this work, Pd nanoparticles, which have uniform size and dispersibility, were first synthesized and used as a template to direct the covering of Au nanosheets. The obtained Au coated Pd (Pd@Au) nanoparticles have excellent dispersibility and photothermal conversion ability, which makes them a good photothermal nanomaterial. Subsequently, an acid-degradable metal-organic framework of ZIF-8 was employed to synchronously encapsulate Pd@Au nanoparticles and DOX to get a metal-organic framework-based nanocomposite (DOX/Pd@Au@ZIF-8). Under acid conditions (e.g. pH ∼5.0 in a lysosome), the ZIF-8 framework of the DOX/Pd@Au@ZIF-8 nanocomposite could be degraded, resulting in the release of encapsulated DOX. Moreover, the present Pd@Au nanoparticles can effectively convert NIR laser light (780 nm, 2.1 W cm-2) into heat, not only further promoting the release of DOX, but also realizing the synergistic chemo-photothermal treatment of cancer cells. The in vitro experiments showed that this nanocomposite system has an excellent synergistic treatment effect on SMMC-7721 cells, even at low concentrations (e.g. 20 μg mL-1). With the properties of synergistic chemo-photothermal treatment, we hope that such a nanocomposite system of DOX/Pd@Au@ZIF-8 could open the door to designing a significant multifunctional system for diverse applications in cancer treatment.
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Affiliation(s)
- Xue Yang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Biology, College of Chemistry and Chemical Engineering, Key Laboratory for Bio-Nanotechnology and Molecular Engineering of Hunan Province, Hunan University, Changsha 410082, P. R. China.
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156
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Zograf GP, Petrov MI, Zuev DA, Dmitriev PA, Milichko VA, Makarov SV, Belov PA. Resonant Nonplasmonic Nanoparticles for Efficient Temperature-Feedback Optical Heating. NANO LETTERS 2017; 17:2945-2952. [PMID: 28409632 DOI: 10.1021/acs.nanolett.7b00183] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
We propose a novel photothermal approach based on resonant dielectric nanoparticles, which possess imaginary part of permittivity significantly smaller as compared to metal ones. We show both experimentally and theoretically that a spherical silicon nanoparticle with a magnetic quadrupolar Mie resonance converts light to heat up to 4 times more effectively than similar spherical gold nanoparticle at the same heating conditions. We observe photoinduced temperature raise up to 900 K with the silicon nanoparticle on a glass substrate at moderate intensities (<2 mW/μm2) and typical laser wavelength (633 nm). The advantage of using crystalline silicon is the simplicity of local temperature control by means of Raman spectroscopy working in a broad range of temperatures, that is, up to the melting point of silicon (1690 K) with submicrometer spatial resolution. Our CMOS-compatible heater-thermometer nanoplatform paves the way to novel nonplasmonic photothermal applications, extending the temperature range and simplifying the thermoimaging procedure.
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Affiliation(s)
- George P Zograf
- Department of Nanophotonics and Metamaterials, ITMO University , St. Petersburg 197101, Russia
| | - Mihail I Petrov
- Department of Nanophotonics and Metamaterials, ITMO University , St. Petersburg 197101, Russia
- Department of Physics and Mathematics, University of Eastern Finland , Yliopistokatu 7, 80101, Joensuu, Finland
| | - Dmitry A Zuev
- Department of Nanophotonics and Metamaterials, ITMO University , St. Petersburg 197101, Russia
| | - Pavel A Dmitriev
- Department of Nanophotonics and Metamaterials, ITMO University , St. Petersburg 197101, Russia
| | - Valentin A Milichko
- Department of Nanophotonics and Metamaterials, ITMO University , St. Petersburg 197101, Russia
| | - Sergey V Makarov
- Department of Nanophotonics and Metamaterials, ITMO University , St. Petersburg 197101, Russia
| | - Pavel A Belov
- Department of Nanophotonics and Metamaterials, ITMO University , St. Petersburg 197101, Russia
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157
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Zhu D, Liu M, Liu X, Liu Y, Prasad PN, Swihart MT. Au–Cu2−xSe heterogeneous nanocrystals for efficient photothermal heating for cancer therapy. J Mater Chem B 2017; 5:4934-4942. [DOI: 10.1039/c7tb01004d] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
In this study, we show that Au–Cu2−xSe heterogeneous nanocrystals have great promise for use in photothermal therapy (PTT).
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Affiliation(s)
- Dewei Zhu
- Department of Chemical and Biological Engineering
- University at Buffalo
- The State University of New York
- Buffalo
- USA
| | - Maixian Liu
- Institute for Lasers
- Photonics, and Biophotonics
- University at Buffalo
- The State University of New York
- Buffalo
| | - Xin Liu
- Department of Chemical and Biological Engineering
- University at Buffalo
- The State University of New York
- Buffalo
- USA
| | - Yang Liu
- Department of Chemical and Biological Engineering
- University at Buffalo
- The State University of New York
- Buffalo
- USA
| | - Paras N. Prasad
- Institute for Lasers
- Photonics, and Biophotonics
- University at Buffalo
- The State University of New York
- Buffalo
| | - Mark T. Swihart
- Department of Chemical and Biological Engineering
- University at Buffalo
- The State University of New York
- Buffalo
- USA
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158
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Liu W, Liu K, Zhao Y, Zhao S, Luo S, Tian Y, Teng Z, Wang S, Lu G. T
1-Weighted MR/CT dual-modality imaging-guided photothermal therapy using gadolinium-functionalized triangular gold nanoprism. RSC Adv 2017. [DOI: 10.1039/c7ra01101f] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Triangular gold nanoprism decorated with gadopentetic acid (TGP–PEG–Gd) for PTT guided by T1-weighted MR/CT dual-modality imaging.
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Affiliation(s)
- Wenfei Liu
- Department of Medical Imaging
- Jinling Hospital
- Medical School of Nanjing University
- Nanjing 210002
- P. R. China
| | - Kai Liu
- Nanjing Stomatological Hospital
- Medical School of Nanjing University
- Nanjing 210008
- P. R. China
| | - Ying Zhao
- Department of Medical Imaging
- Jinling Hospital
- Medical School of Nanjing University
- Nanjing 210002
- P. R. China
| | - Shuang Zhao
- Department of Medical Imaging
- Jinling Hospital
- Medical School of Nanjing University
- Nanjing 210002
- P. R. China
| | - Song Luo
- Department of Medical Imaging
- Jinling Hospital
- Medical School of Nanjing University
- Nanjing 210002
- P. R. China
| | - Ying Tian
- Department of Medical Imaging
- Jinling Hospital
- Medical School of Nanjing University
- Nanjing 210002
- P. R. China
| | - Zhaogang Teng
- Department of Medical Imaging
- Jinling Hospital
- Medical School of Nanjing University
- Nanjing 210002
- P. R. China
| | - Shouju Wang
- Department of Medical Imaging
- Jinling Hospital
- Medical School of Nanjing University
- Nanjing 210002
- P. R. China
| | - Guangming Lu
- Department of Medical Imaging
- Jinling Hospital
- Medical School of Nanjing University
- Nanjing 210002
- P. R. China
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159
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Wang C, Xu L, Xu J, Yang D, Liu B, Gai S, He F, Yang P. Multimodal imaging and photothermal therapy were simultaneously achieved in the core–shell UCNR structure by using single near-infrared light. Dalton Trans 2017; 46:12147-12157. [DOI: 10.1039/c7dt02791e] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Core–shell nanostructures consisting of plasmonic materials and lanthanide-doped upconversion nanoparticles (UCNPs) show promising applications in theranostics including bio-imaging, diagnosis and therapy.
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Affiliation(s)
- Chen Wang
- Key Laboratory of Superlight Materials and Surface Technology
- Ministry of Education
- College of Materials Science and Chemical Engineering
- Harbin Engineering University
- Harbin
| | - Liangge Xu
- Key Laboratory of Superlight Materials and Surface Technology
- Ministry of Education
- College of Materials Science and Chemical Engineering
- Harbin Engineering University
- Harbin
| | - Jiating Xu
- Key Laboratory of Superlight Materials and Surface Technology
- Ministry of Education
- College of Materials Science and Chemical Engineering
- Harbin Engineering University
- Harbin
| | - Dan Yang
- Key Laboratory of Superlight Materials and Surface Technology
- Ministry of Education
- College of Materials Science and Chemical Engineering
- Harbin Engineering University
- Harbin
| | - Bin Liu
- Key Laboratory of Superlight Materials and Surface Technology
- Ministry of Education
- College of Materials Science and Chemical Engineering
- Harbin Engineering University
- Harbin
| | - Shili Gai
- Key Laboratory of Superlight Materials and Surface Technology
- Ministry of Education
- College of Materials Science and Chemical Engineering
- Harbin Engineering University
- Harbin
| | - Fei He
- Key Laboratory of Superlight Materials and Surface Technology
- Ministry of Education
- College of Materials Science and Chemical Engineering
- Harbin Engineering University
- Harbin
| | - Piaoping Yang
- Key Laboratory of Superlight Materials and Surface Technology
- Ministry of Education
- College of Materials Science and Chemical Engineering
- Harbin Engineering University
- Harbin
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