1
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Lee S, Kishi T, Bellouard Y. Wide-Field Polarimetric Second-Harmonic Imaging for Rapid and Nondestructive Investigation of Laser-Induced Crystallization Phenomena. ACS NANO 2024. [PMID: 39177946 DOI: 10.1021/acsnano.4c05554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/24/2024]
Abstract
The selective and controlled formation of nanocrystals in glass is emerging as a versatile method to achieve functional photonics, optoelectronics, and quantum devices, such as single-photon emitters. Here, we investigate the use of wide-field polarimetric second-harmonic (SH) microscopy as a method to rapidly and nondestructively examine nanoscale crystal arrangements in laser-processed glass. As a case study, we investigate tellurite glass, where the formation of a trigonal tellurium (t-Te) nanocrystalline phase after femtosecond laser exposure was recently demonstrated. Combined with theoretical models, we show that wide-field polarimetric SH microscopy offers comprehensive information on the nanocrystals' orientation, distribution, and chirality. With its high imaging throughput and spatial resolution, this method has the potential not only to significantly accelerate investigations on laser-induced glass crystallization processes but also to provide a valuable tool for in situ process monitoring.
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Affiliation(s)
- Seonwoo Lee
- Galatea Lab, STI IEM, Ecole Polytechnique Fédérale de Lausanne (EPFL), Rue de la Maladière 71b, Neuchâtel CH-2002, Switzerland
| | - Tetsuo Kishi
- Department of Chemistry and Materials Science, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo 152-8550, Japan
| | - Yves Bellouard
- Galatea Lab, STI IEM, Ecole Polytechnique Fédérale de Lausanne (EPFL), Rue de la Maladière 71b, Neuchâtel CH-2002, Switzerland
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2
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Yuan X, Shi J, Kang Y, Dong J, Pei Z, Ji X. Piezoelectricity, Pyroelectricity, and Ferroelectricity in Biomaterials and Biomedical Applications. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2308726. [PMID: 37842855 DOI: 10.1002/adma.202308726] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Revised: 10/12/2023] [Indexed: 10/17/2023]
Abstract
Piezoelectric, pyroelectric, and ferroelectric materials are considered unique biomedical materials due to their dielectric crystals and asymmetric centers that allow them to directly convert various primary forms of energy in the environment, such as sunlight, mechanical energy, and thermal energy, into secondary energy, such as electricity and chemical energy. These materials possess exceptional energy conversion ability and excellent catalytic properties, which have led to their widespread usage within biomedical fields. Numerous biomedical applications have demonstrated great potential with these materials, including disease treatment, biosensors, and tissue engineering. For example, piezoelectric materials are used to stimulate cell growth in bone regeneration, while pyroelectric materials are applied in skin cancer detection and imaging. Ferroelectric materials have even found use in neural implants that record and stimulate electrical activity in the brain. This paper reviews the relationship between ferroelectric, piezoelectric, and pyroelectric effects and the fundamental principles of different catalytic reactions. It also highlights the preparation methods of these three materials and the significant progress made in their biomedical applications. The review concludes by presenting key challenges and future prospects for efficient catalysts based on piezoelectric, pyroelectric, and ferroelectric nanomaterials for biomedical applications.
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Affiliation(s)
- Xue Yuan
- Academy of Medical Engineering and Translational Medicine, Medical College, Tianjin University, Tianjin, 300072, China
| | - Jiacheng Shi
- Academy of Medical Engineering and Translational Medicine, Medical College, Tianjin University, Tianjin, 300072, China
| | - Yong Kang
- Academy of Medical Engineering and Translational Medicine, Medical College, Tianjin University, Tianjin, 300072, China
| | - Jinrui Dong
- Academy of Medical Engineering and Translational Medicine, Medical College, Tianjin University, Tianjin, 300072, China
| | - Zhengcun Pei
- Academy of Medical Engineering and Translational Medicine, Medical College, Tianjin University, Tianjin, 300072, China
| | - Xiaoyuan Ji
- Academy of Medical Engineering and Translational Medicine, Medical College, Tianjin University, Tianjin, 300072, China
- Shandong Province Key Laboratory of Detection Technology for Tumor Makers, Medical College, Linyi University, Linyi, 276000, China
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3
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Gheata A, Spada A, Wittwer M, Dhouib A, Molina E, Mugnier Y, Gerber-Lemaire S. Modulating the Surface Properties of Lithium Niobate Nanoparticles by Multifunctional Coatings Using Water-in-Oil Microemulsions. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:522. [PMID: 36770484 PMCID: PMC9921616 DOI: 10.3390/nano13030522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/13/2023] [Accepted: 01/26/2023] [Indexed: 06/18/2023]
Abstract
Inorganic nanoparticles (NPs) have emerged as promising tools in biomedical applications, owing to their inherent physicochemical properties and their ease of functionalization. In all potential applications, the surface functionalization strategy is a key step to ensure that NPs are able to overcome the barriers encountered in physiological media, while introducing specific reactive moieties to enable post-functionalization. Silanization appears as a versatile NP-coating strategy, due to the biocompatibility and stability of silica, thus justifying the need for robust and well controlled silanization protocols. Herein, we describe a procedure for the silica coating of harmonic metal oxide NPs (LiNbO3, LNO) using a water-in-oil microemulsion (W/O ME) approach. Through optimized ME conditions, the silanization of LNO NPs was achieved by the condensation of silica precursors (TEOS, APTES derivatives) on the oxide surface, resulting in the formation of coated NPs displaying carboxyl (LNO@COOH) or azide (LNO@N3) reactive moieties. LNO@COOH NPs were further conjugated to an unnatural azido-containing small peptide to obtain silica-coated LNO NPs (LNO@Talys), displaying both azide and carboxyl moieties, which are well suited for biomedical applications due to the orthogonality of their surface functional groups, their colloidal stability in aqueous medium, and their anti-fouling properties.
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Affiliation(s)
- Adrian Gheata
- Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, Group for Functionalized Biomaterials, 1015 Lausanne, Switzerland
| | - Alessandra Spada
- Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, Group for Functionalized Biomaterials, 1015 Lausanne, Switzerland
| | - Manon Wittwer
- Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, Group for Functionalized Biomaterials, 1015 Lausanne, Switzerland
- Département de Chimie, École Normale Supérieure, PSL University, 75005 Paris, France
| | - Ameni Dhouib
- Université Savoie Mont-Blanc, SYMME, 74000 Annecy, France
| | - Emilie Molina
- Université Savoie Mont-Blanc, SYMME, 74000 Annecy, France
| | | | - Sandrine Gerber-Lemaire
- Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, Group for Functionalized Biomaterials, 1015 Lausanne, Switzerland
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4
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Han J, Zhang Y, Wang X, Zhang G, Yu Z, Wang C, Xu T, Zhou Z, Yang X, Jin X, Liu C, Zhou L, Wang Y, Tang B, Guo S, Jiang H, Yu L. Ultrasound-mediated piezoelectric nanoparticle modulation of intrinsic cardiac autonomic nervous system for rate control in atrial fibrillation. Biomater Sci 2023; 11:655-665. [PMID: 36511142 DOI: 10.1039/d2bm01733d] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Rate control is a cornerstone of atrial fibrillation treatment. Barium titanate nanoparticles (BTNPs) are piezoelectric nanomaterials that can generate local electromagnetic fields under ultrasound activation, stimulating nearby neuronal tissue. This study aimed to modulate the inferior right ganglionated plexus (IRGP) of the heart and reduce the ventricular rate during rapid atrial pacing (RAP)-induced atrial fibrillation using ultrasound-mediated BTNPs. Adult male beagles were randomly divided into a phosphate-buffered saline (PBS) group (n = 6) and a BTNP group (n = 6). PBS or nanoparticles were injected into the IRGP of both groups before RAP. The biological safety of the material was evaluated according to electrophysiology recordings, thermal effects and level of inflammation. Compared to the PBS group, the BaTiO3 piezoelectric nanoparticle group had reduced ventricular rates in the sinus rhythm and atrial fibrillation models after stimulating the IRGP by applying ultrasound. In addition, transient stimulation by BTNPs did not lead to sustained neuronal excitation in the IRGP. The activation of the BTNPs did not induce inflammation or thermal damage effects in the IRGP. Ultrasound-mediated BTNP neuromodulation can significantly reduce the ventricular rate by stimulating the IRGP. Thus, ultrasound-mediated BTNP neuromodulation is a potential therapy for atrial fibrillation rate control.
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Affiliation(s)
- Jiapeng Han
- Department of Cardiology, Renmin Hospital of Wuhan University; Hubei Key Laboratory of Autonomic Nervous System Modulation; Cardiac Autonomic Nervous System Research Center of Wuhan University; Taikang Center for Life and Medical Sciences, Wuhan University; Institute of Molecular Medicine, Renmin Hospital of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan 430060, P.R. China.
| | - Yuanzheng Zhang
- Hubei Yangtze Memory Laboratories, Wuhan 430205, PR China; Key Laboratory of Artificial Micro, and Nano-structures of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan 430072, PR China.
| | - Xiaofei Wang
- Department of Cardiology, Renmin Hospital of Wuhan University; Hubei Key Laboratory of Autonomic Nervous System Modulation; Cardiac Autonomic Nervous System Research Center of Wuhan University; Taikang Center for Life and Medical Sciences, Wuhan University; Institute of Molecular Medicine, Renmin Hospital of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan 430060, P.R. China.
| | - Guocheng Zhang
- Department of Cardiology, Renmin Hospital of Wuhan University; Hubei Key Laboratory of Autonomic Nervous System Modulation; Cardiac Autonomic Nervous System Research Center of Wuhan University; Taikang Center for Life and Medical Sciences, Wuhan University; Institute of Molecular Medicine, Renmin Hospital of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan 430060, P.R. China.
| | - Zhiyao Yu
- Department of Cardiology, Renmin Hospital of Wuhan University; Hubei Key Laboratory of Autonomic Nervous System Modulation; Cardiac Autonomic Nervous System Research Center of Wuhan University; Taikang Center for Life and Medical Sciences, Wuhan University; Institute of Molecular Medicine, Renmin Hospital of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan 430060, P.R. China.
| | - Changyi Wang
- Department of Cardiology, Renmin Hospital of Wuhan University; Hubei Key Laboratory of Autonomic Nervous System Modulation; Cardiac Autonomic Nervous System Research Center of Wuhan University; Taikang Center for Life and Medical Sciences, Wuhan University; Institute of Molecular Medicine, Renmin Hospital of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan 430060, P.R. China.
| | - Tianyou Xu
- Department of Cardiology, Renmin Hospital of Wuhan University; Hubei Key Laboratory of Autonomic Nervous System Modulation; Cardiac Autonomic Nervous System Research Center of Wuhan University; Taikang Center for Life and Medical Sciences, Wuhan University; Institute of Molecular Medicine, Renmin Hospital of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan 430060, P.R. China.
| | - Zhen Zhou
- Department of Cardiology, Renmin Hospital of Wuhan University; Hubei Key Laboratory of Autonomic Nervous System Modulation; Cardiac Autonomic Nervous System Research Center of Wuhan University; Taikang Center for Life and Medical Sciences, Wuhan University; Institute of Molecular Medicine, Renmin Hospital of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan 430060, P.R. China.
| | - Xiaomeng Yang
- Department of Cardiology, Renmin Hospital of Wuhan University; Hubei Key Laboratory of Autonomic Nervous System Modulation; Cardiac Autonomic Nervous System Research Center of Wuhan University; Taikang Center for Life and Medical Sciences, Wuhan University; Institute of Molecular Medicine, Renmin Hospital of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan 430060, P.R. China.
| | - Xiaoxing Jin
- Department of Cardiology, Renmin Hospital of Wuhan University; Hubei Key Laboratory of Autonomic Nervous System Modulation; Cardiac Autonomic Nervous System Research Center of Wuhan University; Taikang Center for Life and Medical Sciences, Wuhan University; Institute of Molecular Medicine, Renmin Hospital of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan 430060, P.R. China.
| | - Chenzhe Liu
- Department of Cardiology, Renmin Hospital of Wuhan University; Hubei Key Laboratory of Autonomic Nervous System Modulation; Cardiac Autonomic Nervous System Research Center of Wuhan University; Taikang Center for Life and Medical Sciences, Wuhan University; Institute of Molecular Medicine, Renmin Hospital of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan 430060, P.R. China.
| | - Liping Zhou
- Department of Cardiology, Renmin Hospital of Wuhan University; Hubei Key Laboratory of Autonomic Nervous System Modulation; Cardiac Autonomic Nervous System Research Center of Wuhan University; Taikang Center for Life and Medical Sciences, Wuhan University; Institute of Molecular Medicine, Renmin Hospital of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan 430060, P.R. China.
| | - Yueyi Wang
- Department of Cardiology, Renmin Hospital of Wuhan University; Hubei Key Laboratory of Autonomic Nervous System Modulation; Cardiac Autonomic Nervous System Research Center of Wuhan University; Taikang Center for Life and Medical Sciences, Wuhan University; Institute of Molecular Medicine, Renmin Hospital of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan 430060, P.R. China.
| | - Baopeng Tang
- Department of Cardiology, First Affiliated Hospital of Xinjiang Medical University, 137 Liyushan South Road, Urmuqi, Xinjiang 830011, P.R. China.
| | - Shishang Guo
- Hubei Yangtze Memory Laboratories, Wuhan 430205, PR China; Key Laboratory of Artificial Micro, and Nano-structures of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan 430072, PR China.
| | - Hong Jiang
- Department of Cardiology, Renmin Hospital of Wuhan University; Hubei Key Laboratory of Autonomic Nervous System Modulation; Cardiac Autonomic Nervous System Research Center of Wuhan University; Taikang Center for Life and Medical Sciences, Wuhan University; Institute of Molecular Medicine, Renmin Hospital of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan 430060, P.R. China.
| | - Lilei Yu
- Department of Cardiology, Renmin Hospital of Wuhan University; Hubei Key Laboratory of Autonomic Nervous System Modulation; Cardiac Autonomic Nervous System Research Center of Wuhan University; Taikang Center for Life and Medical Sciences, Wuhan University; Institute of Molecular Medicine, Renmin Hospital of Wuhan University; Cardiovascular Research Institute, Wuhan University; Hubei Key Laboratory of Cardiology, Wuhan 430060, P.R. China.
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5
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Gheata A, Gaulier G, Campargue G, Vuilleumier J, Kaiser S, Gautschi I, Riporto F, Beauquis S, Staedler D, Diviani D, Bonacina L, Gerber-Lemaire S. Photoresponsive Nanocarriers Based on Lithium Niobate Nanoparticles for Harmonic Imaging and On-Demand Release of Anticancer Chemotherapeutics. ACS NANOSCIENCE AU 2022; 2:355-366. [PMID: 35996436 PMCID: PMC9389616 DOI: 10.1021/acsnanoscienceau.1c00044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
![]()
Nanoparticle-based
drug delivery systems have the potential for
increasing the efficiency of chemotherapeutics by enhancing the drug
accumulation at specific target sites, thereby reducing adverse side
effects and mitigating patient acquired resistance. In particular,
photo-responsive nanomaterials have attracted much interest due to
their ability to release molecular cargos on demand upon light irradiation.
In some settings, they can also provide complementary information
by optical imaging on the (sub)cellular scale. We herein present a
system based on lithium niobate harmonic nanoparticles (LNO HNPs)
for the decoupled multi-harmonic cell imaging and near-infrared light-triggered
delivery of an erlotinib derivative (ELA) for the treatment
of epidermal growth factor receptor (EGFR)-overexpressing carcinomas.
The ELA cargo was covalently conjugated to the surface
of silica-coated LNO HNPs through a coumarinyl photo-cleavable linker,
achieving a surface loading of the active molecule of 27 nmol/mg NPs.
The resulting nanoconjugates (LNO-CM-ELA NPs) were successfully
imaged upon pulsed laser excitation at 1250 nm in EGFR-overexpressing
human prostate cancer cells DU145 by detecting the second harmonic
emission at 625 nm, in the tissue transparency window. Tuning the
laser at 790 nm resulted in the uncaging of the ELA cargo
as a result of the second harmonic emission of the inorganic HNP core
at 395 nm. This protocol induced a significant growth inhibition in
DU145 cells, which was only observed upon specific irradiation at
790 nm, highlighting the promising capabilities of LNO-CM-ELA NPs for theranostic applications.
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Affiliation(s)
- Adrian Gheata
- Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, Group for Functionalized Biomaterials, EPFL SB ISIC SCI-SB-SG, Station 6, Lausanne CH-1015, Switzerland
| | - Geoffrey Gaulier
- Department of Applied Physics, Université de Genève, 22 Chemin de Pinchat, Genève CH-1211, Switzerland
| | - Gabriel Campargue
- Department of Applied Physics, Université de Genève, 22 Chemin de Pinchat, Genève CH-1211, Switzerland
| | - Jérémy Vuilleumier
- Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, Group for Functionalized Biomaterials, EPFL SB ISIC SCI-SB-SG, Station 6, Lausanne CH-1015, Switzerland
| | - Simon Kaiser
- Department of Biomedical Sciences, Université de Lausanne, 7 Rue du Bugnon, Lausanne CH-1005, Switzerland
| | - Ivan Gautschi
- Department of Biomedical Sciences, Université de Lausanne, 7 Rue du Bugnon, Lausanne CH-1005, Switzerland
| | | | | | - Davide Staedler
- Department of Biomedical Sciences, Université de Lausanne, 7 Rue du Bugnon, Lausanne CH-1005, Switzerland
| | - Dario Diviani
- Department of Biomedical Sciences, Université de Lausanne, 7 Rue du Bugnon, Lausanne CH-1005, Switzerland
| | - Luigi Bonacina
- Department of Applied Physics, Université de Genève, 22 Chemin de Pinchat, Genève CH-1211, Switzerland
| | - Sandrine Gerber-Lemaire
- Institute of Chemical Sciences and Engineering, Ecole Polytechnique Fédérale de Lausanne, Group for Functionalized Biomaterials, EPFL SB ISIC SCI-SB-SG, Station 6, Lausanne CH-1015, Switzerland
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6
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Dantelle G, Beauquis S, Le Dantec R, Monnier V, Galez C, Mugnier Y. Solution-Based Synthesis Routes for the Preparation of Noncentrosymmetric 0-D Oxide Nanocrystals with Perovskite and Nonperovskite Structures. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2200992. [PMID: 35691941 DOI: 10.1002/smll.202200992] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 05/21/2022] [Indexed: 06/15/2023]
Abstract
With the miniaturization of electronic-based devices, the foreseen potential of new optical nanoprobes and the assessment of eventual size and shape effects, elaboration of multifunctional noncentrosymmetric nanocrystals with ferroelectric, pyroelectric, piezoelectric, and nonlinear optical properties are the subject of an increasing research interest. Here, the recent achievements from the solution-based methods (coprecipitation in homogeneous and nanostructured media, sol-gel processes including various chemistries and hydro/solvothermal techniques) to prepare 0-D perovskite and nonperovskite oxides in the 5-500 nm size range are critically reviewed. To cover a representative list of covalent- and ionic-type materials, BaTiO3 and its derivatives, niobate compounds (i.e., K/Na/LiNbO3 ), multiferroic BiFeO3, and crystals of lower symmetry including KTiOPO4 and some iodate compounds such as Fe(IO3 )3 and La(IO3 )3 are systematically in focus. The resulting size, morphology, and aggregation state are discussed in light of the proposed formation mechanisms. Because of a higher complexity related to their chemical composition and crystalline structures, improving the rational design of these multifunctional oxides in terms of finely-tuned compositions, crystalline hosts and structure-property relationships still need in the future a special attention of the research community to the detailed understanding of the reaction pathways and crystallization mechanisms.
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Affiliation(s)
- Géraldine Dantelle
- Université Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, Grenoble, 38000, France
| | | | - Ronan Le Dantec
- Université Savoie Mont Blanc, SYMME, Annecy, F-74000, France
| | - Virginie Monnier
- Univ Lyon, Ecole Centrale de Lyon, CNRS, INSA Lyon, Université Claude Bernard Lyon 1, CPE Lyon, CNRS, INL, UMR5270, Ecully, 69130, France
| | - Christine Galez
- Université Savoie Mont Blanc, SYMME, Annecy, F-74000, France
| | - Yannick Mugnier
- Université Savoie Mont Blanc, SYMME, Annecy, F-74000, France
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7
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Jordan T, O'Brien MA, Spatarelu CP, Luke GP. Antibody-Conjugated Barium Titanate Nanoparticles for Cell-Specific Targeting. ACS APPLIED NANO MATERIALS 2020; 3:2636-2646. [PMID: 35873656 PMCID: PMC9307239 DOI: 10.1021/acsanm.0c00019] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Barium titanate nanoparticles (BTNPs) are gaining popularity in biomedical research because of their piezoelectricity, nonlinear optical properties, and high biocompatibility. However, the potential of BTNPs is limited by the ability to create stable nanoparticle dispersions in water and physiological media. In this work, we report a method of surface modification of BTNPs based on surface hydroxylation followed by covalent attachment of hydrophilic poly(ethylene glycol) (PEG) polymers. This polymer coating allows for additional modifications such as fluorescent labeling, surface charge tuning, or directional conjugation of IgG antibodies. We demonstrate the conjugation of anti-EGFR antibodies to the BTNP surface and show efficient molecular targeting of the nanoparticles to A431 cells. Overall, the reported modifications aim to expand the BTNP applications in molecular imaging, cancer therapy, or noninvasive neurostimulation.
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Affiliation(s)
- Tomas Jordan
- Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire 03755, United States
| | - Mikaela A O'Brien
- Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire 03755, United States
| | | | - Geoffrey P Luke
- Thayer School of Engineering, Dartmouth College, Hanover, New Hampshire 03755, United States; Translational Engineering in Cancer Research Program, Norris Cotton Cancer Center, Lebanon, New Hampshire 03766, United States
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8
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Wang W, Li J, Liu H, Ge S. Advancing Versatile Ferroelectric Materials Toward Biomedical Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2020; 8:2003074. [PMID: 33437585 PMCID: PMC7788502 DOI: 10.1002/advs.202003074] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 10/09/2020] [Indexed: 05/08/2023]
Abstract
Ferroelectric materials (FEMs), possessing piezoelectric, pyroelectric, inverse piezoelectric, nonlinear optic, ferroelectric-photovoltaic, and many other properties, are attracting increasing attention in the field of biomedicine in recent years. Because of their versatile ability of interacting with force, heat, electricity, and light to generate electrical, mechanical, and optical signals, FEMs are demonstrating their unique advantages for biosensing, acoustics tweezer, bioimaging, therapeutics, tissue engineering, as well as stimulating biological functions. This review summarizes the current-available FEMs and their state-of-the-art fabrication techniques, as well as provides an overview of FEMs-based applications in the field of biomedicine. Challenges and prospects for future development of FEMs for biomedical applications are also outlined.
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Affiliation(s)
- Wenjun Wang
- Department of Biomaterials, School and Hospital of Stomatology, Cheeloo College of MedicineShandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue RegenerationJinan250012China
| | - Jianhua Li
- Department of Biomaterials, School and Hospital of Stomatology, Cheeloo College of MedicineShandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue RegenerationJinan250012China
| | - Hong Liu
- State Key Laboratory of Crystal MaterialsShandong UniversityJinan250013China
| | - Shaohua Ge
- Department of Biomaterials, School and Hospital of Stomatology, Cheeloo College of MedicineShandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue RegenerationJinan250012China
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9
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Deterministic Insertion of KTP Nanoparticles into Polymeric Structures for Efficient Second-Harmonic Generation. CRYSTALS 2019. [DOI: 10.3390/cryst9070365] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
We investigate theoretically and experimentally the creation of virtually any polymer-based photonic structure containing individual nonlinear KTiOPO 4 nanoparticles (KTP NPs) using low one-photon absorption (LOPA) direct laser writing (DLW) technique. The size and shape of polymeric microstructures and the position of the nonlinear KTP crystal inside the structures, were perfectly controlled at nanoscale and on demand. Furthermore, we demonstrated an enhancement of the second-harmonic generation (SHG) by a factor of 90 when a KTP NP was inserted in a polymeric pillar. The SHG enhancement is attributed to the resonance of the fundamental light in the cavity. This enhancement varied for different KTP NPs, because of the random orientation of the KTP NPs, which affects the light/matter interaction between the fundamental light and the NP as well as the collection efficiency of the SHG signal. The experimental result are further supported by a simulation model using Finite-Difference Time-Domain (FDTD) method.
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10
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Slenders E, Bové H, Urbain M, Mugnier Y, Sonay AY, Pantazis P, Bonacina L, Vanden Berghe P, vandeVen M, Ameloot M. Image Correlation Spectroscopy with Second Harmonic Generating Nanoparticles in Suspension and in Cells. J Phys Chem Lett 2018; 9:6112-6118. [PMID: 30273489 DOI: 10.1021/acs.jpclett.8b02686] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
The absence of photobleaching, blinking, and saturation combined with a high contrast provides unique advantages of higher-harmonic generating nanoparticles over fluorescent probes, allowing for prolonged correlation spectroscopy studies. We apply the coherent intensity fluctuation model to study the mobility of second harmonic generating nanoparticles. A concise protocol is presented for quantifying the diffusion coefficient from a single spectroscopy measurement without the need for separate point-spread-function calibrations. The technique's applicability is illustrated on nominally 56 nm LiNbO3 nanoparticles. We perform label-free raster image correlation spectroscopy imaging in aqueous suspension and spatiotemporal image correlation spectroscopy in A549 human lung carcinoma cells. In good agreement with the expected theoretical result, the measured diffusion coefficient in water at room temperature is (7.5 ± 0.3) μm2/s. The diffusion coefficient in the cells is more than 103 times lower and heterogeneous, with an average of (3.7 ± 1.5) × 10-3 μm2/s.
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Affiliation(s)
- Eli Slenders
- Biomedical Research Institute (BIOMED) , Hasselt University , Agoralaan Bldg. C , 3590 Diepenbeek , Belgium
| | - Hannelore Bové
- Biomedical Research Institute (BIOMED) , Hasselt University , Agoralaan Bldg. C , 3590 Diepenbeek , Belgium
| | - Mathias Urbain
- Univ. Savoie Mont Blanc, SYMME , F-74000 Annecy , France
| | | | - Ali Yasin Sonay
- Department of Biosystems Science and Engineering , ETH Zürich , Mattenstrasse 26 , 4058 Basel , Switzerland
| | - Periklis Pantazis
- Department of Biosystems Science and Engineering , ETH Zürich , Mattenstrasse 26 , 4058 Basel , Switzerland
- Department of Bioengineering , Imperial College London , South Kensington Campus , London SW7 2AZ , U.K
| | - Luigi Bonacina
- Department of Applied Physics , Université de Genève , Chemin de Pinchat 22 , 1211 Geneva , Switzerland
| | - Pieter Vanden Berghe
- Laboratory for Enteric Neuroscience (LENS), TARGID , University of Leuven , Herestraat 49 , 3000 Leuven , Belgium
| | - Martin vandeVen
- Biomedical Research Institute (BIOMED) , Hasselt University , Agoralaan Bldg. C , 3590 Diepenbeek , Belgium
| | - Marcel Ameloot
- Biomedical Research Institute (BIOMED) , Hasselt University , Agoralaan Bldg. C , 3590 Diepenbeek , Belgium
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11
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Qiao Y, Peng Y, Zheng Y, Ye F, Chen X. Adaptive pumping for spectral control of broadband second-harmonic generation. OPTICS LETTERS 2018; 43:787-790. [PMID: 29443994 DOI: 10.1364/ol.43.000787] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Accepted: 01/11/2018] [Indexed: 06/08/2023]
Abstract
Second-harmonic generation (SHG) is always a significant frequency conversion process in nonlinear optics for many great applications but can be limited when broadband spectral laser sources are involved, e.g., femtosecond pulses. The conversion efficiency can be high, but the spectral control is hard because of the phase-matching (PM) limitation. Recently, a random quasi-phase-matching (QPM) scheme was proposed to make use of highly nonlinear materials that are difficult to be phase matched under traditional configurations. The spectral control is even harder in anisotropic random materials, and the coherence is completely lost. Here, we proposed an approach to solve this problem by coherent light control via feedback-based wavefront shaping. We utilized this method for spectral control of broadband SHG, which can be efficient even in strongly scattering media. Randomly selected wavelengths in the broadband spectra were enhanced with a good selectivity, and the direction was also controlled in a three-dimensional (3D) configuration. This technique paves the way for convenient spatial and spectral control of both linear and nonlinear emissions and a local enhancement of their conversion efficiency, indicating great progress in both random and ultrafast nonlinear optics.
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12
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Howlett ID, Han W, Gordon M, Rice P, Barton JK, Kostuk RK. Volume holographic imaging endoscopic design and construction techniques. JOURNAL OF BIOMEDICAL OPTICS 2017; 22:56010. [PMID: 28564690 PMCID: PMC5449719 DOI: 10.1117/1.jbo.22.5.056010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Accepted: 05/11/2017] [Indexed: 05/04/2023]
Abstract
A reflectance volume holographic imaging (VHI) endoscope has been designed for simultaneous in vivo imaging of surface and subsurface tissue structures. Prior utilization of VHI systems has been limited to ex vivo tissue imaging. The VHI system presented in this work is designed for laparoscopic use. It consists of a probe section that relays light from the tissue sample to a handheld unit that contains the VHI microscope. The probe section is constructed from gradient index (GRIN) lenses that form a 1:1 relay for image collection. The probe has an outer diameter of 3.8 mm and is capable of achieving 228.1 ?? lp / mm resolution with 660-nm Kohler illumination. The handheld optical section operates with a magnification of 13.9 and a field of view of 390 ?? ? m × 244 ?? ? m . System performance is assessed through imaging of 1951 USAF resolution targets and soft tissue samples. The system has also passed sterilization procedures required for surgical use and has been used in two laparoscopic surgical procedures.
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Affiliation(s)
- Isela D. Howlett
- University of Arizona, College of Optical Sciences, Tucson, Arizona, United States
- University of Arizona, Department of Electrical and Computer Engineering, Tucson, Arizona, United States
- Address all correspondence to: Isela D. Howlett, E-mail:
| | - Wanglei Han
- University of Arizona, College of Optical Sciences, Tucson, Arizona, United States
- University of Arizona, Department of Electrical and Computer Engineering, Tucson, Arizona, United States
| | - Michael Gordon
- University of Arizona, College of Optical Sciences, Tucson, Arizona, United States
- University of Arizona, Department of Electrical and Computer Engineering, Tucson, Arizona, United States
| | - Photini Rice
- University of Arizona, Biomedical Engineering Department, Tucson, Arizona, United States
| | - Jennifer K. Barton
- University of Arizona, College of Optical Sciences, Tucson, Arizona, United States
- University of Arizona, Department of Electrical and Computer Engineering, Tucson, Arizona, United States
- University of Arizona, Biomedical Engineering Department, Tucson, Arizona, United States
| | - Raymond K. Kostuk
- University of Arizona, College of Optical Sciences, Tucson, Arizona, United States
- University of Arizona, Department of Electrical and Computer Engineering, Tucson, Arizona, United States
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Genchi GG, Marino A, Rocca A, Mattoli V, Ciofani G. Barium titanate nanoparticles: promising multitasking vectors in nanomedicine. NANOTECHNOLOGY 2016; 27:232001. [PMID: 27145888 DOI: 10.1088/0957-4484/27/23/232001] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Ceramic materials based on perovskite-like oxides have traditionally been the object of intense interest for their applicability in electrical and electronic devices. Due to its high dielectric constant and piezoelectric features, barium titanate (BaTiO3) is probably one of the most studied compounds of this family. Recently, an increasing number of studies have been focused on the exploitation of barium titanate nanoparticles (BTNPs) in the biomedical field, owing to the high biocompatibility of BTNPs and their peculiar non-linear optical properties that have encouraged their use as nanocarriers for drug delivery and as label-free imaging probes. In this review, we summarize all the recent findings about these 'smart' nanoparticles, including the latest, most promising potential as nanotransducers for cell stimulation.
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Affiliation(s)
- Giada Graziana Genchi
- Istituto Italiano di Tecnologia, Center for Micro-BioRobotics @SSSA, Viale Rinaldo Piaggio 34, 56025 Pontedera (Pisa), Italy
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Superresolved multiphoton microscopy with spatial frequency-modulated imaging. Proc Natl Acad Sci U S A 2016; 113:6605-10. [PMID: 27231219 DOI: 10.1073/pnas.1602811113] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Superresolved far-field microscopy has emerged as a powerful tool for investigating the structure of objects with resolution well below the diffraction limit of light. Nearly all superresolution imaging techniques reported to date rely on real energy states of fluorescent molecules to circumvent the diffraction limit, preventing superresolved imaging with contrast mechanisms that occur via virtual energy states, including harmonic generation (HG). We report a superresolution technique based on spatial frequency-modulated imaging (SPIFI) that permits superresolved nonlinear microscopy with any contrast mechanism and with single-pixel detection. We show multimodal superresolved images with two-photon excited fluorescence (TPEF) and second-harmonic generation (SHG) from biological and inorganic media. Multiphoton SPIFI (MP-SPIFI) provides spatial resolution up to 2η below the diffraction limit, where η is the highest power of the nonlinear intensity response. MP-SPIFI can be used to provide enhanced resolution in optically thin media and may provide a solution for superresolved imaging deep in scattering media.
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Follain G, Mercier L, Osmani N, Harlepp S, Goetz JG. Seeing is believing: multi-scale spatio-temporal imaging towards in vivo cell biology. J Cell Sci 2016; 130:23-38. [DOI: 10.1242/jcs.189001] [Citation(s) in RCA: 49] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
ABSTRACT
Life is driven by a set of biological events that are naturally dynamic and tightly orchestrated from the single molecule to entire organisms. Although biochemistry and molecular biology have been essential in deciphering signaling at a cellular and organismal level, biological imaging has been instrumental for unraveling life processes across multiple scales. Imaging methods have considerably improved over the past decades and now allow to grasp the inner workings of proteins, organelles, cells, organs and whole organisms. Not only do they allow us to visualize these events in their most-relevant context but also to accurately quantify underlying biomechanical features and, so, provide essential information for their understanding. In this Commentary, we review a palette of imaging (and biophysical) methods that are available to the scientific community for elucidating a wide array of biological events. We cover the most-recent developments in intravital imaging, light-sheet microscopy, super-resolution imaging, and correlative light and electron microscopy. In addition, we illustrate how these technologies have led to important insights in cell biology, from the molecular to the whole-organism resolution. Altogether, this review offers a snapshot of the current and state-of-the-art imaging methods that will contribute to the understanding of life and disease.
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Affiliation(s)
- Gautier Follain
- Microenvironmental Niche in Tumorigenesis and Targeted Therapy, Inserm U1109, MN3T, Strasbourg F-67200, France
- Université de Strasbourg, Strasbourg F-67000, France
- LabEx Medalis, Université de Strasbourg, Strasbourg, F-67000, France
- Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg F-67000, France
| | - Luc Mercier
- Microenvironmental Niche in Tumorigenesis and Targeted Therapy, Inserm U1109, MN3T, Strasbourg F-67200, France
- Université de Strasbourg, Strasbourg F-67000, France
- LabEx Medalis, Université de Strasbourg, Strasbourg, F-67000, France
- Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg F-67000, France
| | - Naël Osmani
- Microenvironmental Niche in Tumorigenesis and Targeted Therapy, Inserm U1109, MN3T, Strasbourg F-67200, France
- Université de Strasbourg, Strasbourg F-67000, France
- LabEx Medalis, Université de Strasbourg, Strasbourg, F-67000, France
- Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg F-67000, France
| | - Sébastien Harlepp
- Université de Strasbourg, Strasbourg F-67000, France
- DON: Optique ultrarapide et nanophotonique, IPCMS UMR7504, Strasbourg 67000, France
- LabEx NIE, Université de Strasbourg, Strasbourg F-67000, France
| | - Jacky G. Goetz
- Microenvironmental Niche in Tumorigenesis and Targeted Therapy, Inserm U1109, MN3T, Strasbourg F-67200, France
- Université de Strasbourg, Strasbourg F-67000, France
- LabEx Medalis, Université de Strasbourg, Strasbourg, F-67000, France
- Fédération de Médecine Translationnelle de Strasbourg (FMTS), Strasbourg F-67000, France
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Liu J, Damayanti NP, Cho IH, Polar Y, Badve S, Irudayaraj JMK. Single-cell screening and quantification of transcripts in cancer tissues by second-harmonic generation microscopy. JOURNAL OF BIOMEDICAL OPTICS 2015; 20:096016. [PMID: 26405822 PMCID: PMC4688913 DOI: 10.1117/1.jbo.20.9.096016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2015] [Accepted: 08/26/2015] [Indexed: 05/21/2023]
Abstract
Fluorescence-based single molecule techniques to interrogate gene expression in tissues present a very low signal-to-noise ratio due to the strong autofluorescence and other background signals from tissue sections. This report presents a background-free method using second-harmonic generation (SHG) nanocrystals as probes to quantify the messenger RNA (mRNA) of human epidermal growth receptor 2 (Her2) at single molecule resolution in specific phenotypes at single-cell resolution directly in tissues. Coherent SHG emission from individual barium titanium oxide (BTO) nanoprobes was demonstrated, allowing for a stable signal beyond the autofluorescence window. Her2 surface marker and Her2 mRNA were specifically labeled with BTO probes, and Her2 mRNA was quantified at single copy sensitivity in Her2 expressing phenotypes directly in cancer tissues. Our approach provides the first proof of concept of a cross-platform strategy to probe tissues at single-cell resolution in situ.
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Affiliation(s)
- Jing Liu
- Purdue University, Bindley Bioscience Center and Birck Nanotechnology Center, Agriculture and Biological Engineering, West Lafayette, Indiana 47907, United States
- South Dakota School of Mines and Technology, Nanoscience and Nanoengineering, Rapid City, South Dakota 57701, United States
| | - Nur P. Damayanti
- Purdue University, Bindley Bioscience Center and Birck Nanotechnology Center, Agriculture and Biological Engineering, West Lafayette, Indiana 47907, United States
| | - Il-Hoon Cho
- Purdue University, Bindley Bioscience Center and Birck Nanotechnology Center, Agriculture and Biological Engineering, West Lafayette, Indiana 47907, United States
- Eulji University, College of Health Science, Department of Biomedical Laboratory Science, Seongnam 461–713, Republic of Korea
| | - Yesim Polar
- Indiana University School of Medicine, Department of Pathology and Laboratory Medicine, Indianapolis, Indiana 46202, United States
| | - Sunil Badve
- Indiana University School of Medicine, Department of Pathology and Laboratory Medicine, Indianapolis, Indiana 46202, United States
| | - Joseph M. K. Irudayaraj
- Purdue University, Bindley Bioscience Center and Birck Nanotechnology Center, Agriculture and Biological Engineering, West Lafayette, Indiana 47907, United States
- Address all correspondence to: Joseph M. K. Irudayaraj, E-mail:
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Trinh DT, Mayer L, Hajj B, Lautru J, Zyss J, Shynkar V. Full determination of single ferroelectric nanocrystal orientation by Pockels electro-optic microscopy. APPLIED OPTICS 2015; 54:3412-3421. [PMID: 25967332 DOI: 10.1364/ao.54.003412] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
We present a nanoscale electro-optic imaging method allowing access to the phase response, which is not amenable to classical second-harmonic generation microscopy. This approach is used to infer the vectorial orientation of single domain ferroelectric nanocrystals, based on polarization-resolved Pockels microscopy. The electro-optic phase response of KTP nanoparticles yields the full orientation in the laboratory frame of randomly dispersed single nanoparticles, together with their electric polarization dipole. The complete vector determination of the dipole orientation is a prerequisite to important applications including ferroelectric nanodomain orientation, membrane potential imaging, and rotational dynamics of single biomolecules.
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18
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Liu J, Cho IH, Cui Y, Irudayaraj J. Second harmonic super-resolution microscopy for quantification of mRNA at single copy sensitivity. ACS NANO 2014; 8:12418-27. [PMID: 25494326 PMCID: PMC4334232 DOI: 10.1021/nn505096t] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Cell-specific information on the quantity and localization of key mRNAs at single copy sensitivity in single cells is critical for evaluating basic cellular process, disease risk, and efficacy of therapy. Quantification of overexpressed mRNAs beyond the diffraction limit is constrained by the optical property of the probes and microscopy techniques. In this report, nanosized barium titanium oxide (BaTiO3, BTO) crystals were utilized as probes for mRNA quantification by a second harmonic super-resolution microscopy (SHaSM). The SHaSM was able to detect a single copy of the human epidermal growth factor receptor 2 (Her2) mRNA at a resolution of 55.6 nm with the ability to resolve multiple mRNA copies in a diffraction-limited spot. Her2 mRNA per cell was counted in SK-BR-3, MCF-7, and HeLa cell lines as 595±79.1, 38.9±8.26, and 1.5±2.8, respectively. Our single-cell quantification results were validated with the fluorescence in situ hybridization studies and quantitative PCR, showing better specificity and selectivity over current single-molecule approaches for transcript detection. The SHaSM is expected to have an upper limit of resolving ∼10(4) transcripts in a single cell with the ability to monitor intracellular transcriptional dynamics at video rate. The developed approach has strong potential in clinical research and in the early diagnosis of life-threatening diseases such as cancer.
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Macias-Romero C, Didier MEP, Jourdain P, Marquet P, Magistretti P, Tarun OB, Zubkovs V, Radenovic A, Roke S. High throughput second harmonic imaging for label-free biological applications. OPTICS EXPRESS 2014; 22:31102-31112. [PMID: 25607059 DOI: 10.1364/oe.22.031102] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Second harmonic generation (SHG) is inherently sensitive to the absence of spatial centrosymmetry, which can render it intrinsically sensitive to interfacial processes, chemical changes and electrochemical responses. Here, we seek to improve the imaging throughput of SHG microscopy by using a wide-field imaging scheme in combination with a medium-range repetition rate amplified near infrared femtosecond laser source and gated detection. The imaging throughput of this configuration is tested by measuring the optical image contrast for different image acquisition times of BaTiO₃ nanoparticles in two different wide-field setups and one commercial point-scanning configuration. We find that the second harmonic imaging throughput is improved by 2-3 orders of magnitude compared to point-scan imaging. Capitalizing on this result, we perform low fluence imaging of (parts of) living mammalian neurons in culture.
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20
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Macias-Romero C, Didier MEP, Zubkovs V, Delannoy L, Dutto F, Radenovic A, Roke S. Probing rotational and translational diffusion of nanodoublers in living cells on microsecond time scales. NANO LETTERS 2014; 14:2552-2557. [PMID: 24735468 DOI: 10.1021/nl500356u] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Nonlinear microscopes have seen an increase in popularity in the life sciences due to their molecular and structural specificity, high resolution, large penetration depth, and volumetric imaging capability. Nonetheless, the inherently weak optical signals demand long exposure times for live cell imaging. Here, by modifying the optical layout and illumination parameters, we can follow the rotation and translation of noncentrosymetric crystalline particles, or nanodoublers, with 50 μs acquisition times in living cells. The rotational diffusion can be derived from variations in the second harmonic intensity that originates from the rotation of the nanodoubler crystal axis. We envisage that by capitalizing on the biocompatibility, functionalizability, stability, and nondestructive optical response of the nanodoublers, novel insights on cellular dynamics are within reach.
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Affiliation(s)
- Carlos Macias-Romero
- Laboratory for Fundamental BioPhotonics and ‡Laboratory of Nanoscale Biology, Institute of Bioengineering, École Polytechnique Fédérale de Lausanne (EPFL) , 1015, Lausanne, Switzerland
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21
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Joulaud C, Mugnier Y, Djanta G, Dubled M, Marty JC, Galez C, Wolf JP, Bonacina L, Le Dantec R. Characterization of the nonlinear optical properties of nanocrystals by Hyper Rayleigh Scattering. J Nanobiotechnology 2013; 11 Suppl 1:S8. [PMID: 24564891 PMCID: PMC4029443 DOI: 10.1186/1477-3155-11-s1-s8] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND Harmonic Nanoparticles are a new family of exogenous markers for multiphoton imaging exerting optical contrast by second harmonic (SH) generation. In this tutorial, we present the application of Hyper-Rayleigh Scattering (HRS) for a quantitative assessment of the nonlinear optical properties of these particles and discuss the underlying theory and some crucial experimental aspects. METHODS The second harmonic properties of BaTiO3, KNbO3, KiTiOPO4 (KTP), LiNbO3 and ZnO nanocrystals (NCs) are investigated by HRS measurements after careful preparation and characterization of colloidal suspensions. RESULTS A detailed analysis of the experimental results is presented with emphasis on the theoretical background and on the influence of some experimental parameters including the accurate determination of the nanocrystal size and concentration. The SH generation efficiency and averaged nonlinear optical coefficients are then derived and compared for six different types of NCs. CONCLUSIONS After preparation of colloidal NC suspensions and careful examination of their size, concentration and possible aggregation state, HRS appears as a valuable tool to quantitatively assess the SH efficiency of noncentrosymmetric NCs. All the investigated nanomaterials show high SH conversion efficiencies, demonstrating a good potential for bio-labelling applications.
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Affiliation(s)
- Cécile Joulaud
- Université de Savoie, SYMME, BP 80439, 74944 Annecy-le-Vieux Cedex, France
| | - Yannick Mugnier
- Université de Savoie, SYMME, BP 80439, 74944 Annecy-le-Vieux Cedex, France
| | - Gnon Djanta
- Université de Savoie, SYMME, BP 80439, 74944 Annecy-le-Vieux Cedex, France
| | - Marc Dubled
- Université de Savoie, SYMME, BP 80439, 74944 Annecy-le-Vieux Cedex, France
| | | | - Christine Galez
- Université de Savoie, SYMME, BP 80439, 74944 Annecy-le-Vieux Cedex, France
| | - Jean-Pierre Wolf
- GAP-biophotonics, Université de Genève, 22 chemin de Pinchat, 1211 Genève 4, Switzerland
| | - Luigi Bonacina
- GAP-biophotonics, Université de Genève, 22 chemin de Pinchat, 1211 Genève 4, Switzerland
| | - Ronan Le Dantec
- Université de Savoie, SYMME, BP 80439, 74944 Annecy-le-Vieux Cedex, France
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22
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Ladj R, Magouroux T, Eissa M, Dubled M, Mugnier Y, Dantec RL, Galez C, Valour JP, Fessi H, Elaissari A. Aminodextran-coated potassium niobate (KNbO3) nanocrystals for second harmonic bio-imaging. Colloids Surf A Physicochem Eng Asp 2013. [DOI: 10.1016/j.colsurfa.2013.02.025] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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23
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Digital optical phase conjugation for delivering two-dimensional images through turbid media. Sci Rep 2013; 3:1909. [PMID: 23714766 PMCID: PMC3665964 DOI: 10.1038/srep01909] [Citation(s) in RCA: 62] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2013] [Accepted: 05/10/2013] [Indexed: 11/28/2022] Open
Abstract
Optical transmission through complex media such as biological tissue is fundamentally limited by multiple light scattering. Precise control of the optical wavefield potentially holds the key to advancing a broad range of light-based techniques and applications for imaging or optical delivery. We present a simple and robust digital optical phase conjugation (DOPC) implementation for suppressing multiple light scattering. Utilizing wavefront shaping via a spatial light modulator (SLM), we demonstrate its turbidity-suppression capability by reconstructing the image of a complex two-dimensional wide-field target through a highly scattering medium. Employing an interferometer with a Sagnac-like ring design, we successfully overcome the challenging alignment and wavefront-matching constraints in DOPC, reflecting the requirement that the forward- and reverse-propagation paths through the turbid medium be identical. By measuring the output response to digital distortion of the SLM write pattern, we validate the sub-wavelength sensitivity of the system.
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Ladj R, Bitar A, Eissa MM, Fessi H, Mugnier Y, Le Dantec R, Elaissari A. Polymer encapsulation of inorganic nanoparticles for biomedical applications. Int J Pharm 2013; 458:230-41. [PMID: 24036010 DOI: 10.1016/j.ijpharm.2013.09.001] [Citation(s) in RCA: 66] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2013] [Revised: 09/02/2013] [Accepted: 09/04/2013] [Indexed: 01/01/2023]
Abstract
Hybrid inorganic colloidal particles have attracted a great attention in the last years, and they have been largely used in various applications and more particularly in biomedical nanotechnology. Recently, they are used as carriers for biomolecules, and exploited for use in microsystems, microfluidics and in lab-on-a chip based bionanotechnology. Various kinds of hybrid particles can be listed starting from classical inorganic nanoparticles such as silica, gold, silver, iron oxide and those exhibiting intrinsic properties such as semiconducting nanoparticles (e.g. quantum dots). As a general tendency, to be conveniently used in biomedical applications, the encapsulation of the inorganic nanoparticles in a polymer matrix is incontestably needed. Consequently, various chemistry-based encapsulation processes have been developed and showed promising results as compared to the encapsulation using preformed polymers.
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Affiliation(s)
- Rachid Ladj
- University of Lyon, F-69622, Lyon; University of Lyon-1, Villeurbanne, CNRS, UMR 5007, LAGEP, CPE-308G, 43 bd. du 11 Nov.1918, F-69622 Villeurbanne, France; SYMME, Université de Savoie, BP 80439, 74944 Annecy Le Vieux Cedex, France
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25
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Pu Y, Psaltis D. Seeing through turbidity with harmonic holography [Invited]. APPLIED OPTICS 2013; 52:567-578. [PMID: 23385895 DOI: 10.1364/ao.52.000567] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2012] [Accepted: 10/01/2012] [Indexed: 06/01/2023]
Abstract
The ability to see inside the body noninvasively is indispensable in modern biology and medicine. Optical approaches to such abilities are of rapidly growing interest because of their nonionizing nature and low cost. However, the problem of opacity due to the optical turbidity of tissues must be addressed before optical means become practical. Harmonic holography amalgamates the capability of holographic phase conjugation with the contrast-forming mechanism of second-harmonic generation, which provides a unique opportunity for imaging through a turbid medium. In this review we give accounts of the effort of imaging through turbid media using harmonic holographic phase conjugation.
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Affiliation(s)
- Ye Pu
- Laboratory of Optics, School of Engineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland.
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26
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Ladj R, Bitar A, Eissa M, Mugnier Y, Le Dantec R, Fessi H, Elaissari A. Individual inorganic nanoparticles: preparation, functionalization and in vitro biomedical diagnostic applications. J Mater Chem B 2013; 1:1381-1396. [PMID: 32260777 DOI: 10.1039/c2tb00301e] [Citation(s) in RCA: 94] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Inorganic nanoparticles have become the focus of modern materials science due to their potential technological importance, particularly in bionanotechnology, which stems from their unique physical properties including size-dependent optical, magnetic, electronic, and catalytic properties. The present article provides an overview on the currently used individual inorganic nanoparticles for in vitro biomedical domains. These inorganic nanoparticles include iron oxides, gold, silver, silica, quantum dots (QDs) and second harmonic generation (SHG) particles. For each of these interesting nanoparticles, the main issues starting from preparation up to bio-related applications are presented.
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Affiliation(s)
- R Ladj
- University of Lyon, F-69622 Lyon, France, University of Lyon-1, Villeurbanne, LAGEP, UMR 5007, CPE, 43 bd 11 November 1918, F-69622 Villeurbanne, France.
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27
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Aulbach J, Gjonaj B, Johnson P, Lagendijk A. Spatiotemporal focusing in opaque scattering media by wave front shaping with nonlinear feedback. OPTICS EXPRESS 2012; 20:29237-29251. [PMID: 23388749 DOI: 10.1364/oe.20.029237] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
We experimentally demonstrate spatiotemporal focusing of light on single nanocrystals embedded inside a strongly scattering medium. Our approach is based on spatial wave front shaping of short pulses, using second harmonic generation inside the target nanocrystals as the feedback signal. We successfully develop a model both for the achieved pulse duration as well as the observed enhancement of the feedback signal. The approach enables exciting opportunities for studies of light propagation in the presence of strong scattering as well as for applications in imaging, micro- and nanomanipulation, coherent control and spectroscopy in complex media.
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Affiliation(s)
- Jochen Aulbach
- FOM Institute for Atomic and Molecular Physics AMOLF, Science Park 104, 1098 XG Amsterdam, The Netherlands.
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Bonacina L. Nonlinear nanomedecine: harmonic nanoparticles toward targeted diagnosis and therapy. Mol Pharm 2012; 10:783-92. [PMID: 23153103 DOI: 10.1021/mp300523e] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Harmonic nanoparticles were first introduced in 2006 as biomarkers for nonlinear imaging. This review provides a general explanation of the physical mechanism at the basis of this novel approach, highlighting its benefits and the complementarity to fluorescent/luminescent labels. A series of application examples from the very recent literature are reported, ranging from in vitro cell monitoring to the first proofs of in vivo imaging and rare event detection in physiological fluids.
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Affiliation(s)
- Luigi Bonacina
- GAP-Biophotonics, University of Geneva, 22 chemin de Pinchat, CH-1211 Geneva 4, Switzerland.
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29
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Magouroux T, Extermann J, Hoffmann P, Mugnier Y, Le Dantec R, Jaconi ME, Kasparian C, Ciepielewski D, Bonacina L, Wolf JP. High-speed tracking of murine cardiac stem cells by harmonic nanodoublers. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2012; 8:2752-6. [PMID: 22859385 DOI: 10.1002/smll.201200366] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2012] [Revised: 04/11/2012] [Indexed: 05/22/2023]
Abstract
Potassium niobate nonlinear nanoparticles are used for the first time to monitor the evolution of embryonic stem cells (ESC) by second harmonic microscopy. These particles feature the complete absence of photo-bleaching and unlimited excitation wavelength flexibility. The potential of this approach is made evident for tissue-regeneration studies and applications, by capturing a high-speed movie of ESC-derived cardiomyocytes autonomously beating within a cluster. Time-resolved data are analyzed to retrieve 3D information of the contraction pattern at the cellular level.
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30
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Surface functionalization of barium titanate SHG nanoprobes for in vivo imaging in zebrafish. Nat Protoc 2012; 7:1618-33. [PMID: 22899331 DOI: 10.1038/nprot.2012.087] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
To address the need for a bright, photostable labeling tool that allows long-term in vivo imaging in whole organisms, we recently introduced second harmonic generating (SHG) nanoprobes. Here we present a protocol for the preparation and use of a particular SHG nanoprobe label, barium titanate (BT), for in vivo imaging in living zebrafish embryos. Chemical treatment of the BT nanoparticles results in surface coating with amine-terminal groups, which act as a platform for a variety of chemical modifications for biological applications. Here we describe cross-linking of BT to a biotin-linked moiety using click chemistry methods and coating of BT with nonreactive poly(ethylene glycol) (PEG). We also provide details for injecting PEG-coated SHG nanoprobes into zygote-stage zebrafish embryos, and in vivo imaging of SHG nanoprobes during gastrulation and segmentation. Implementing the PROCEDURE requires a basic understanding of laser-scanning microscopy, experience with handling zebrafish embryos and chemistry laboratory experience. Functionalization of the SHG nanoprobes takes ∼3 d, whereas zebrafish preparation, injection and imaging setup should take approximately 2-4 h.
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31
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Park JH, Park C, Yu H, Cho YH, Park Y. Active spectral filtering through turbid media. OPTICS LETTERS 2012; 37:3261-3. [PMID: 22859152 DOI: 10.1364/ol.37.003261] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
We demonstrate controlled wavelength-dependent light focusing through turbid media using wavefront shaping. Due to the dispersion caused by multiple light scattering, light propagation through turbid media can be independently controlled between different wavelengths. Foci with various wavelengths can be generated by applying different optimized wavefronts to a highly scattering layer. Given the linearity of the transmission matrix, multiple foci with different wavelengths can also be simultaneously constructed.
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Affiliation(s)
- Jung-Hoon Park
- Department of Physics, Korea Advanced Institute of Science and Technology, Daejeon 305-701, South Korea
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32
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Staedler D, Magouroux T, Hadji R, Joulaud C, Extermann J, Schwung S, Passemard S, Kasparian C, Clarke G, Gerrmann M, Le Dantec R, Mugnier Y, Rytz D, Ciepielewski D, Galez C, Gerber-Lemaire S, Juillerat-Jeanneret L, Bonacina L, Wolf JP. Harmonic nanocrystals for biolabeling: a survey of optical properties and biocompatibility. ACS NANO 2012; 6:2542-9. [PMID: 22324660 DOI: 10.1021/nn204990n] [Citation(s) in RCA: 95] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Nonlinear optical nanocrystals have been recently introduced as a promising alternative to fluorescent probes for multiphoton microscopy. We present for the first time a complete survey of the properties of five nanomaterials (KNbO(3), LiNbO(3), BaTiO(3), KTP, and ZnO), describing their preparation and stabilization and providing quantitative estimations of their nonlinear optical response. In the light of their prospective use as biological and clinical markers, we assess their biocompatibility on human healthy and cancerous cell lines. Finally, we demonstrate the great potential for cell imaging of these inherently nonlinear probes in terms of optical contrast, wavelength flexibility, and signal photostability.
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Affiliation(s)
- Davide Staedler
- Laboratory of Synthesis and Natural Products, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne, Batochime, 1015 Lausanne, Switzerland
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