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Lee CW, Wu PC, Hsu IL, Liu TM, Chong WH, Wu CH, Hsieh TY, Guo LZ, Tsao Y, Wu PT, Yu J, Tsai PJ, Huang HS, Chuang YC, Huang CC. New Templated Ostwald Ripening Process of Mesostructured FeOOH for Third-Harmonic Generation Bioimaging. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2019; 15:e1805086. [PMID: 30925031 DOI: 10.1002/smll.201805086] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2018] [Revised: 02/12/2019] [Indexed: 05/20/2023]
Abstract
Emerging advances in iron oxide nanoparticles exploit their high magnetization for various applications, such as bioseparation, hyperthermia, and magnetic resonance imaging. In contrast to their excellent magnetic performance, the harmonic generation and luminescence properties of iron oxide nanoparticles have not been thoroughly explored, thus limiting their development as a tool in photomedicine. In this work, a seed/growth-inspired synthesis is developed combined with primary mineralization and a ligand-assisted secondary growth strategy to prepare mesostructured α-FeOOH nanorods (NRs). The sub-wavelength heterogeneity of the refractive index leads to enhanced third-harmonic generation (THG) signals under near-infrared excited wavelengths at 1230 nm. The as-prepared NRs exhibit an 11-fold stronger THG intensity compared to bare α-FeOOH NRs. Using these unique nonlinear optical properties, it is demonstrated that mesostructured α-FeOOH NRs can serve as biocompatible and nonbleaching contrast agents in THG microscopy for long-term labeling of cells as well as in angiography in vivo by modifying lectin to enhance the binding efficiency to the glycocalyx layers on the wall of blood vessels. These results provide a new insight into Fe-based nanoplatforms capable of emitting coherent light as molecular probes in optical microscopy, thus establishing a complementary microscopic imaging method for macroscopic magnetic imaging systems.
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Affiliation(s)
- Chien-Wei Lee
- Department of Photonics, Center of Applied Nanomedicine, Center for Micro/Nano Science and Technology and Advanced Optoelectronic Technology Center, National Cheng Kung University, Tainan, 70101, Taiwan
| | - Pei-Chun Wu
- Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Macao SAR, 999078, China
| | - I-Ling Hsu
- Department of Photonics, Center of Applied Nanomedicine, Center for Micro/Nano Science and Technology and Advanced Optoelectronic Technology Center, National Cheng Kung University, Tainan, 70101, Taiwan
| | - Tzu-Ming Liu
- Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Macao SAR, 999078, China
| | - Wai-How Chong
- Institute of Translational Medicine, Faculty of Health Sciences, University of Macau, Macao SAR, 999078, China
| | - Cheng-Ham Wu
- Institute of Biomedical Engineering & Molecular Imaging Center, National Taiwan University, Taipei, 10617, Taiwan
| | - Tsung-Yuan Hsieh
- Institute of Biomedical Engineering & Molecular Imaging Center, National Taiwan University, Taipei, 10617, Taiwan
| | - Lun-Zhang Guo
- Institute of Biomedical Engineering & Molecular Imaging Center, National Taiwan University, Taipei, 10617, Taiwan
| | - Yu Tsao
- Research Center for Information Technology Innovation, Academia Sinica, Taipei, 11529, Taiwan
| | - Po-Ting Wu
- Department of Chemical Engineering, National Taiwan University, Taipei, 10617, Taiwan
| | - Jiashing Yu
- Department of Chemical Engineering, National Taiwan University, Taipei, 10617, Taiwan
| | - Pei-Jane Tsai
- Department of Medical Laboratory Science and Biotechnology, College of Medicine, National Cheng Kung University, Tainan, 70101, Taiwan
| | - Huei-Sheng Huang
- Department of Medical Laboratory Science and Biotechnology, College of Medicine, National Cheng Kung University, Tainan, 70101, Taiwan
| | - Yu-Chun Chuang
- National Synchrotron Radiation Research Center, Hsinchu, 300, Taiwan
| | - Chih-Chia Huang
- Department of Photonics, Center of Applied Nanomedicine, Center for Micro/Nano Science and Technology and Advanced Optoelectronic Technology Center, National Cheng Kung University, Tainan, 70101, Taiwan
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Olesiak-Banska J, Waszkielewicz M, Obstarczyk P, Samoc M. Two-photon absorption and photoluminescence of colloidal gold nanoparticles and nanoclusters. Chem Soc Rev 2019; 48:4087-4117. [PMID: 31292567 DOI: 10.1039/c8cs00849c] [Citation(s) in RCA: 88] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
This review provides a comprehensive description of nonlinear optical (NLO) properties of gold nanoparticles, which can be used in biological applications. The main focus is placed on two-photon absorption (2PA) and two-photon excited photoluminescence (2PEL) - the processes crucial for multiphoton microscopy, which allows deeper imaging of the material and causes less damage to the biological samples in comparison to conventional (one-photon) microscopy. We present the basics of 2PA measurement techniques and a summary of recent achievements in the understanding of multiphoton excitation and the resulting photoluminescence in gold nanoparticles, both plasmonic ones and small nanoclusters with molecule-like properties. The examples of 2PA applications in bioimaging are also presented, with a comment on future challenges and applications.
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Affiliation(s)
- Joanna Olesiak-Banska
- Advanced Materials Engineering and Modelling Group, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 27, 50-370 Wroclaw, Poland.
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Xu J, Shang L. Emerging applications of near-infrared fluorescent metal nanoclusters for biological imaging. CHINESE CHEM LETT 2018. [DOI: 10.1016/j.cclet.2017.12.020] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Yu C, Harbich W, Sementa L, Ghiringhelli L, Aprá E, Stener M, Fortunelli A, Brune H. Intense fluorescence of Au20. J Chem Phys 2017; 147:074301. [DOI: 10.1063/1.4996687] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Affiliation(s)
- Chongqi Yu
- Institute of Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
| | - Wolfgang Harbich
- Institute of Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
| | - Luca Sementa
- CNR-ICCOM and IPCF, Consiglio Nazionale delle Ricerche, Via G. Moruzzi, 1-56124 Pisa, Italy
| | - Luca Ghiringhelli
- Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, 14195 Berlin, Germany
| | - Edoardo Aprá
- Environmental Molecular Sciences Laboratory, Pacific Northwest National Laboratory, Richland, Washington 99352, USA
| | - Mauro Stener
- Dipartimento di Scienze Chimiche e Farmaceutiche, Università di Trieste, 34127 Trieste, Italy
| | - Alessandro Fortunelli
- CNR-ICCOM and IPCF, Consiglio Nazionale delle Ricerche, Via G. Moruzzi, 1-56124 Pisa, Italy
| | - Harald Brune
- Institute of Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL), CH-1015 Lausanne, Switzerland
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Zhu HW, Dai WX, Yu XD, Xu JJ, Chen HY. Poly thymine stabilized copper nanoclusters as a fluorescence probe for melamine sensing. Talanta 2015; 144:642-7. [PMID: 26452872 DOI: 10.1016/j.talanta.2015.07.022] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2015] [Revised: 07/02/2015] [Accepted: 07/07/2015] [Indexed: 01/05/2023]
Abstract
In this work, poly-thymine stabilized copper nanoclusters have been used as a fluorescence probe for melamine sensing for the first time. Melamine can bind to thymine through hydrogen bond, which could dramatically enhance the fluorescence intensity of poly-thymine stabilized copper nanoclusters. The enhancement factors (I-I0)/I0 increase linearly with the lgCmelamine over the melamine concentration range of 0.1 µM to 6 µM. The detection limit of melamine is 95 nM, which is 200 times lower than the US Food and Drug Administration estimate melamine safety limit 20 µM. Melamine in milk was detected with good recovery, which suggested that this novel fluorescence probe has great potential in practical application.
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Affiliation(s)
- Hong-Wei Zhu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, PR China
| | - Wen-Xia Dai
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, PR China
| | - Xiao-Dong Yu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, PR China.
| | - Jing-Juan Xu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, PR China
| | - Hong-Yuan Chen
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, PR China
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Wu PC, Hsieh TY, Tsai ZU, Liu TM. In vivo quantification of the structural changes of collagens in a melanoma microenvironment with second and third harmonic generation microscopy. Sci Rep 2015; 5:8879. [PMID: 25748390 PMCID: PMC4352861 DOI: 10.1038/srep08879] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2014] [Accepted: 02/02/2015] [Indexed: 01/13/2023] Open
Abstract
Using in vivo second harmonic generation (SHG) and third harmonic generation (THG) microscopies, we tracked the course of collagen remodeling over time in the same melanoma microenvironment within an individual mouse. The corresponding structural and morphological changes were quantitatively analyzed without labeling using an orientation index (OI), the gray level co-occurrence matrix (GLCM) method, and the intensity ratio of THG to SHG (RTHG/SHG). In the early stage of melanoma development, we found that collagen fibers adjacent to a melanoma have increased OI values and SHG intensities. In the late stages, these collagen networks have more directionality and less homogeneity. The corresponding GLCM traces showed oscillation features and the sum of squared fluctuation VarGLCM increased with the tumor sizes. In addition, the THG intensities of the extracellular matrices increased, indicating an enhanced optical inhomogeneity. Multiplying OI, VarGLCM, and RTHG/SHG together, the combinational collagen remodeling (CR) index at 4 weeks post melanoma implantation showed a 400-times higher value than normal ones. These results validate that our quantitative indices of SHG and THG microscopies are sensitive enough to diagnose the collagen remodeling in vivo. We believe these indices have the potential to help the diagnosis of skin cancers in clinical practice.
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Affiliation(s)
- Pei-Chun Wu
- Institute of Biomedical Engineering, National Taiwan University, Taipei 10617, Taiwan
| | - Tsung-Yuan Hsieh
- Institute of Biomedical Engineering, National Taiwan University, Taipei 10617, Taiwan
| | - Zen-Uong Tsai
- Molecular Imaging Center, National Taiwan University, Taipei 10617, Taiwan
| | - Tzu-Ming Liu
- Institute of Biomedical Engineering, National Taiwan University, Taipei 10617, Taiwan
- Molecular Imaging Center, National Taiwan University, Taipei 10617, Taiwan
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Methionine-directed fabrication of gold nanoclusters with yellow fluorescent emission for Cu2+ sensing. Biosens Bioelectron 2015; 65:397-403. [DOI: 10.1016/j.bios.2014.10.071] [Citation(s) in RCA: 96] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2014] [Revised: 09/04/2014] [Accepted: 10/30/2014] [Indexed: 11/17/2022]
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Wide-field imaging and flow cytometric analysis of cancer cells in blood by fluorescent nanodiamond labeling and time gating. Sci Rep 2014; 4:5574. [PMID: 24994610 PMCID: PMC4081895 DOI: 10.1038/srep05574] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2014] [Accepted: 06/17/2014] [Indexed: 01/15/2023] Open
Abstract
Nanodiamonds containing high density ensembles of negatively charged nitrogen-vacancy (NV−) centers are promising fluorescent biomarkers due to their excellent photostability and biocompatibility. The NV− centers in the particles have a fluorescence lifetime of up to 20 ns, which distinctly differs from those (<10 ns) of cell and tissue autofluorescence, making it possible to achieve background-free detection in vivo by time gating. Here, we demonstrate the feasibility of using fluorescent nanodiamonds (FNDs) as optical labels for wide-field time-gated fluorescence imaging and flow cytometric analysis of cancer cells with a nanosecond intensified charge-coupled device (ICCD) as the detector. The combined technique has allowed us to acquire fluorescence images of FND-labeled HeLa cells in whole blood covered with a chicken breast of ~0.1-mm thickness at the single cell level, and to detect individual FND-labeled HeLa cells in blood flowing through a microfluidic device at a frame rate of 23 Hz, as well as to locate and trace FND-labeled lung cancer cells in the blood vessels of a mouse ear. It opens a new window for real-time imaging and tracking of transplanted cells (such as stem cells) in vivo.
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Huang Y, Hu L, Zhang T, Zhong H, Zhou J, Liu Z, Wang H, Guo Z, Chen Q. Mn₃[Co(CN)₆]₂@SiO₂ core-shell nanocubes: novel bimodal contrast agents for MRI and optical imaging. Sci Rep 2013; 3:2647. [PMID: 24026007 PMCID: PMC3770959 DOI: 10.1038/srep02647] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2013] [Accepted: 08/28/2013] [Indexed: 12/22/2022] Open
Abstract
Nanoprobes with dual modal imaging of magnetic resonance imaging (MRI) and two-photon fluorescence (TPF) can serve as promising platforms for clinical diagnosis. A wide range of molecules and nanoparticles have been investigated as agents for contrast enhanced MRI and fluorescence imaging in cancer diagnosis. However, a single material with dual modal imaging of MRI and TPF is rarely reported. We found that Mn₃[Co(CN)₆]₂@SiO₂ nanocubes can serve as agents for both T₁- and T₂-weighted MRI, and TPF imaging. The nanocubes coated with silica to form Mn₃[Co(CN)₆]₂@SiO₂ core-shell nanocubes were readily internalized by cells without showing cytotoxicity. In vitro tests, the core-shell nanocubes display relatively high longitudinal (r₁) and transverse (r₂) relaxivities, they also manifest a remarkable T₁ and T₂ contrast effects at in-vivo imaging of internal organs in Mice. Moreover, the core-shell nanocubes could offer high-resolution cell fluorescence imaging by two-photon excitation (720 nm) or by conventional fluorescence with 403- or 488-nm excitation.
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Affiliation(s)
- Yimin Huang
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Materials Science & Engineering, University of Science and Technology of China, Hefei 230026, China
| | - Lin Hu
- High Magnetic Field Laboratory, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China
| | - Tingting Zhang
- Radiology Department of the First Affiliated Hospital of Anhui Medical University, Hefei 230022, China
| | - Hao Zhong
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Materials Science & Engineering, University of Science and Technology of China, Hefei 230026, China
| | - Jiajia Zhou
- Anhui Key Laboratory for Cellular Dynamics and Chemical Biology, School of Life Sciences, University of Science and Technology of China, Hefei 230027, China
| | - Zhenbang Liu
- Anhui Key Laboratory for Cellular Dynamics and Chemical Biology, School of Life Sciences, University of Science and Technology of China, Hefei 230027, China
| | - Haibao Wang
- Radiology Department of the First Affiliated Hospital of Anhui Medical University, Hefei 230022, China
| | - Zhen Guo
- Anhui Key Laboratory for Cellular Dynamics and Chemical Biology, School of Life Sciences, University of Science and Technology of China, Hefei 230027, China
| | - Qianwang Chen
- Hefei National Laboratory for Physical Sciences at Microscale and Department of Materials Science & Engineering, University of Science and Technology of China, Hefei 230026, China
- High Magnetic Field Laboratory, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei 230031, China
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