1
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Majak M, Misiak M, Bednarkiewicz A. The mechanisms behind the extreme susceptibility of photon avalanche emission to quenching. MATERIALS HORIZONS 2024. [PMID: 39037285 DOI: 10.1039/d4mh00362d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/23/2024]
Abstract
The photon avalanche (PA) process that emerges in lanthanide-doped crystals yields a threshold and highly nonlinear (of the power law order >5) optical response to photoexcitation. PA emission is the outcome of the excited-state absorption combined with a cross-relaxation process, which creates positive and efficient energy looping. In consequence, this combination of processes should be highly susceptible to small perturbations in energy distribution and can thus be hindered by other competitive "parasitic" processes such as energy transfer (ET) to quenching sites. Although luminescence quenching is a well-known phenomenon, exact mechanisms of the susceptibility of PA to resonant energy transfer (RET) remain poorly understood, limiting its practical applications. A deeper understanding of these mechanisms may pave the way to new areas of PA exploitation. This study focuses on the investigation of the LiYF4:3%Tm3+ PA system co-doped with Nd3+ acceptor ions, which are found to impact both the looping and emitting levels. This effectively disrupts the PA emission, causing an increase in the PA threshold (Ith) and a decrease in the PA nonlinearity (Smax). Our complementary modelling results reveal that ET from the looping level increases Ith and Smax, whereas ET from the emitting level diminishes Smax and the final emission intensity. Ultimately, significant PA emission quenching demonstrates a high relative sensitivity (SR) to infinitesimal amounts of Nd3+ acceptors, highlighting the potential for PA to be utilized as an ultra-sensitive, fluorescence-based reporting mechanism that is suitable for the detection and quantification of physical and biological phenomena or reactions.
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Affiliation(s)
- Martyna Majak
- Institute of Low Temperature and Structure Research, Polish Academy of Sciences, ul. Okólna 2, 50-422 Wroclaw, Poland.
| | - Małgorzata Misiak
- Institute of Low Temperature and Structure Research, Polish Academy of Sciences, ul. Okólna 2, 50-422 Wroclaw, Poland.
| | - Artur Bednarkiewicz
- Institute of Low Temperature and Structure Research, Polish Academy of Sciences, ul. Okólna 2, 50-422 Wroclaw, Poland.
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2
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Zhu Z, Liang Y, Zhao Q, Wu H, Pan B, Qiao S, Wang B, Zhan Q. Three-dimensional, dual-color nanoscopy enabled by migrating photon avalanches with one single low-power CW beam. Sci Bull (Beijing) 2024; 69:458-465. [PMID: 38171962 DOI: 10.1016/j.scib.2023.12.042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 12/03/2023] [Accepted: 12/15/2023] [Indexed: 01/05/2024]
Abstract
The development of super-resolution fluorescence microscopy is very essential for understanding the physical and biological fundamentals at nanometer scale. However, to date most super-resolution modalities require either complicated/costly purpose-built systems such as multiple-beam architectures or complex post-processing procedures with intrinsic artifacts. Achieving three-dimensional (3D) or multi-channel sub-diffraction microscopic imaging using a simple method remains a challenging and struggling task. Herein, we proposed 3D highly-nonlinear super-resolution microscopy using a single-beam excitation strategy, and the microscopy principle was modelled and studied based on the ultrahigh nonlinearity enabled by photon avalanches. According to the simulation, the point spread function of highly nonlinear microscopy is switchable among different modes and can shrink three-dimensionally to sub-diffraction scale at the photon avalanche mode. Experimentally, we demonstrated 3D optical nanoscopy assisted with huge optical nonlinearities in a simple laser scanning configuration, achieving a lateral resolution down to 58 nm (λ/14) and an axial resolution down to 185 nm (λ/5) with one single beam of low-power, continuous-wave, near-infrared laser. We further extended the photon avalanche effect to many other emitters to develop multi-color photon avalanching nanoprobes based on migrating photon avalanche mechanism, which enables us to implement single-beam dual-color sub-diffraction super-resolution microscopic imaging.
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Affiliation(s)
- Zhimin Zhu
- Centre for Optical and Electromagnetic Research, Guangdong Engineering Research Centre of Optoelectronic Intelligent Information Perception, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China
| | - Yusen Liang
- Centre for Optical and Electromagnetic Research, Guangdong Engineering Research Centre of Optoelectronic Intelligent Information Perception, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China
| | - Qi Zhao
- Centre for Optical and Electromagnetic Research, Guangdong Engineering Research Centre of Optoelectronic Intelligent Information Perception, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China
| | - Hui Wu
- Centre for Optical and Electromagnetic Research, Guangdong Engineering Research Centre of Optoelectronic Intelligent Information Perception, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China
| | - Binxiong Pan
- Centre for Optical and Electromagnetic Research, Guangdong Engineering Research Centre of Optoelectronic Intelligent Information Perception, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China
| | - Shuqian Qiao
- Centre for Optical and Electromagnetic Research, Guangdong Engineering Research Centre of Optoelectronic Intelligent Information Perception, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China
| | - Baoju Wang
- Centre for Optical and Electromagnetic Research, Guangdong Engineering Research Centre of Optoelectronic Intelligent Information Perception, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China.
| | - Qiuqiang Zhan
- Centre for Optical and Electromagnetic Research, Guangdong Engineering Research Centre of Optoelectronic Intelligent Information Perception, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China.
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3
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Ding L, Chen C, Shan X, Liu B, Wang D, Du Z, Zhao G, Su QP, Yang Y, Halkon B, Tran TT, Liao J, Aharonovich I, Zhang M, Cheng F, Fu L, Xu X, Wang F. Optical Nonlinearity Enabled Super-Resolved Multiplexing Microscopy. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2308844. [PMID: 37972577 DOI: 10.1002/adma.202308844] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Revised: 11/04/2023] [Indexed: 11/19/2023]
Abstract
Optical multiplexing for nanoscale object recognition is of great significance within the intricate domains of biology, medicine, anti-counterfeiting, and microscopic imaging. Traditionally, the multiplexing dimensions of nanoscopy are limited to emission intensity, color, lifetime, and polarization. Here, a novel dimension, optical nonlinearity, is proposed for super-resolved multiplexing microscopy. This optical nonlinearity is attributable to the energy transitions between multiple energy levels of the doped lanthanide ions in upconversion nanoparticles (UCNPs), resulting in unique optical fingerprints for UCNPs with different compositions. A vortex beam is applied to transport the optical nonlinearity onto the imaging point-spread function (PSF), creating a robust super-resolved multiplexing imaging strategy for differentiating UCNPs with distinctive optical nonlinearities. The composition information of the nanoparticles can be retrieved with variations of the corresponding PSF in the obtained image. Four channels multiplexing super-resolved imaging with a single scanning, applying emission color and nonlinearity of two orthogonal imaging dimensions with a spatial resolution higher than 150 nm (1/6.5λ), are demonstrated. This work provides a new and orthogonal dimension - optical nonlinearity - to existing multiplexing dimensions, which shows great potential in bioimaging, anti-counterfeiting, microarray assays, deep tissue multiplexing detection, and high-density data storage.
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Affiliation(s)
- Lei Ding
- Guangdong Engineering and Technology Research Center for Advanced Nanomaterials, School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan, 523808, China
- School of Biomedical Engineering, Faculty of Engineering and IT, University of Technology Sydney, NSW, 2007, Australia
| | - Chaohao Chen
- Guangdong Engineering and Technology Research Center for Advanced Nanomaterials, School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan, 523808, China
- Australian Research Council Centre of Excellence for Transformative Meta-Optical Systems, Department of Electronic Materials Engineering, Research School of Physics, The Australian National University, Canberra, ACT, 2600, Australia
- School of Electrical and Data Engineering, Faculty of Engineering and Information Technology, University of Technology Sydney, NSW, 2007, Australia
| | - Xuchen Shan
- School of Physics, Beihang University, Beijing, 100191, China
| | - Baolei Liu
- School of Physics, Beihang University, Beijing, 100191, China
| | - Dajing Wang
- School of Physics, Beihang University, Beijing, 100191, China
| | - Ziqing Du
- School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, NSW, 2007, Australia
| | - Guanshu Zhao
- School of Electrical and Data Engineering, Faculty of Engineering and Information Technology, University of Technology Sydney, NSW, 2007, Australia
| | - Qian Peter Su
- School of Biomedical Engineering, Faculty of Engineering and IT, University of Technology Sydney, NSW, 2007, Australia
| | - Yang Yang
- School of Electrical and Data Engineering, Faculty of Engineering and Information Technology, University of Technology Sydney, NSW, 2007, Australia
| | - Benjamin Halkon
- Centre for Audio, Acoustics and Vibration, Faculty of Engineering and IT, University of Technology Sydney, Ultimo, NSW, 2007, Australia
| | - Toan Trong Tran
- School of Electrical and Data Engineering, Faculty of Engineering and Information Technology, University of Technology Sydney, NSW, 2007, Australia
| | - Jiayan Liao
- School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, NSW, 2007, Australia
| | - Igor Aharonovich
- School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, NSW, 2007, Australia
| | - Min Zhang
- Guangdong Engineering and Technology Research Center for Advanced Nanomaterials, School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan, 523808, China
| | - Faliang Cheng
- Guangdong Engineering and Technology Research Center for Advanced Nanomaterials, School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan, 523808, China
| | - Lan Fu
- Australian Research Council Centre of Excellence for Transformative Meta-Optical Systems, Department of Electronic Materials Engineering, Research School of Physics, The Australian National University, Canberra, ACT, 2600, Australia
| | - Xiaoxue Xu
- School of Biomedical Engineering, Faculty of Engineering and IT, University of Technology Sydney, NSW, 2007, Australia
| | - Fan Wang
- School of Physics, Beihang University, Beijing, 100191, China
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4
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Nishida K, Tseng PH, Chen YC, Wu PH, Yang CY, Yang JH, Chen WR, Pashina O, Petrov MI, Chen KP, Chu SW. Optical Bistability in Nanosilicon with Record Low Q-Factor. NANO LETTERS 2023; 23:11727-11733. [PMID: 38014963 DOI: 10.1021/acs.nanolett.3c03597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
We demonstrated optical bistability in an amorphous silicon Mie resonator with a size of ∼100 nm and Q-factor as low as ∼4 by utilizing photothermal and thermo-optical effects. We not only experimentally confirmed the steep intensity transition and the hysteresis in the scattering response from silicon nanocuboids but also established a physical model to numerically explain the underlying mechanism based on temperature-dependent competition between photothermal heating and heat dissipation. The transition between the bistable states offered particularly steep superlinearity of scattering intensity, reaching an effective nonlinearity order of ∼100th power over excitation intensity, leading to the potential of advanced optical switching devices and super-resolution microscopy.
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Affiliation(s)
- Kentaro Nishida
- Department of Physics, National Taiwan University, 1, Sec 4, Roosevelt Rd., Taipei 10617, Taiwan
| | - Po-Hsueh Tseng
- Department of Physics, National Taiwan University, 1, Sec 4, Roosevelt Rd., Taipei 10617, Taiwan
| | - Yu-Chieh Chen
- Department of Physics, National Taiwan University, 1, Sec 4, Roosevelt Rd., Taipei 10617, Taiwan
| | - Pang-Han Wu
- Department of Physics, National Taiwan University, 1, Sec 4, Roosevelt Rd., Taipei 10617, Taiwan
| | - Chi-Yin Yang
- Institute of Imaging and Biomedical Photonics, National Yang Ming Chiao Tung University, 301 Gaofa third Road, Tainan 711, Taiwan
| | - Jhen-Hong Yang
- Institute of Photonic System, National Yang Ming Chiao Tung University, 301 Gaofa third Road, Tainan 711, Taiwan
| | - Wei-Ruei Chen
- Institute of Photonic System, National Yang Ming Chiao Tung University, 301 Gaofa third Road, Tainan 711, Taiwan
| | - Olesiya Pashina
- Physics and Engineering Department, ITMO University, St. Petersburg 197101, Russia
| | - Mihail I Petrov
- Physics and Engineering Department, ITMO University, St. Petersburg 197101, Russia
| | - Kuo-Ping Chen
- Institute of Imaging and Biomedical Photonics, National Yang Ming Chiao Tung University, 301 Gaofa third Road, Tainan 711, Taiwan
- Institute of Photonics Technology, National Tsing Hua University, 101, Section 2, Kuang-Fu Road, Hsinchu, Taiwan 30013, R.O.C
| | - Shi-Wei Chu
- Department of Physics, National Taiwan University, 1, Sec 4, Roosevelt Rd., Taipei 10617, Taiwan
- Molecular Imaging Center, National Taiwan University, 1, Sec 4, Roosevelt Rd., Taipei 10617, Taiwan
- Brain Research Center, National Tsing Hua University, 101, Sec 2, Guangfu Road, Hsinchu 30013, Taiwan
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5
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Astratov VN, Sahel YB, Eldar YC, Huang L, Ozcan A, Zheludev N, Zhao J, Burns Z, Liu Z, Narimanov E, Goswami N, Popescu G, Pfitzner E, Kukura P, Hsiao YT, Hsieh CL, Abbey B, Diaspro A, LeGratiet A, Bianchini P, Shaked NT, Simon B, Verrier N, Debailleul M, Haeberlé O, Wang S, Liu M, Bai Y, Cheng JX, Kariman BS, Fujita K, Sinvani M, Zalevsky Z, Li X, Huang GJ, Chu SW, Tzang O, Hershkovitz D, Cheshnovsky O, Huttunen MJ, Stanciu SG, Smolyaninova VN, Smolyaninov II, Leonhardt U, Sahebdivan S, Wang Z, Luk’yanchuk B, Wu L, Maslov AV, Jin B, Simovski CR, Perrin S, Montgomery P, Lecler S. Roadmap on Label-Free Super-Resolution Imaging. LASER & PHOTONICS REVIEWS 2023; 17:2200029. [PMID: 38883699 PMCID: PMC11178318 DOI: 10.1002/lpor.202200029] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Indexed: 06/18/2024]
Abstract
Label-free super-resolution (LFSR) imaging relies on light-scattering processes in nanoscale objects without a need for fluorescent (FL) staining required in super-resolved FL microscopy. The objectives of this Roadmap are to present a comprehensive vision of the developments, the state-of-the-art in this field, and to discuss the resolution boundaries and hurdles which need to be overcome to break the classical diffraction limit of the LFSR imaging. The scope of this Roadmap spans from the advanced interference detection techniques, where the diffraction-limited lateral resolution is combined with unsurpassed axial and temporal resolution, to techniques with true lateral super-resolution capability which are based on understanding resolution as an information science problem, on using novel structured illumination, near-field scanning, and nonlinear optics approaches, and on designing superlenses based on nanoplasmonics, metamaterials, transformation optics, and microsphere-assisted approaches. To this end, this Roadmap brings under the same umbrella researchers from the physics and biomedical optics communities in which such studies have often been developing separately. The ultimate intent of this paper is to create a vision for the current and future developments of LFSR imaging based on its physical mechanisms and to create a great opening for the series of articles in this field.
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Affiliation(s)
- Vasily N. Astratov
- Department of Physics and Optical Science, University of North Carolina at Charlotte, Charlotte, North Carolina 28223-0001, USA
| | - Yair Ben Sahel
- Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Yonina C. Eldar
- Department of Computer Science and Applied Mathematics, Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Luzhe Huang
- Electrical and Computer Engineering Department, University of California, Los Angeles, California 90095, USA
- Bioengineering Department, University of California, Los Angeles, California 90095, USA
- California Nano Systems Institute (CNSI), University of California, Los Angeles, California 90095, USA
| | - Aydogan Ozcan
- Electrical and Computer Engineering Department, University of California, Los Angeles, California 90095, USA
- Bioengineering Department, University of California, Los Angeles, California 90095, USA
- California Nano Systems Institute (CNSI), University of California, Los Angeles, California 90095, USA
- David Geffen School of Medicine, University of California, Los Angeles, California 90095, USA
| | - Nikolay Zheludev
- Optoelectronics Research Centre, University of Southampton, Southampton, SO17 1BJ, UK
- Centre for Disruptive Photonic Technologies, The Photonics Institute, School of Physical and Mathematical Sciences, Nanyang Technological University, 637371, Singapore
| | - Junxiang Zhao
- Department of Electrical and Computer Engineering, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093, USA
| | - Zachary Burns
- Department of Electrical and Computer Engineering, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093, USA
| | - Zhaowei Liu
- Department of Electrical and Computer Engineering, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093, USA
- Material Science and Engineering, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093, USA
| | - Evgenii Narimanov
- School of Electrical Engineering, and Birck Nanotechnology Center, Purdue University, West Lafayette, Indiana 47907, USA
| | - Neha Goswami
- Quantitative Light Imaging Laboratory, Beckman Institute of Advanced Science and Technology, University of Illinois at Urbana-Champaign, Illinois 61801, USA
| | - Gabriel Popescu
- Quantitative Light Imaging Laboratory, Beckman Institute of Advanced Science and Technology, University of Illinois at Urbana-Champaign, Illinois 61801, USA
| | - Emanuel Pfitzner
- Department of Chemistry, University of Oxford, Oxford OX1 3QZ, United Kingdom
| | - Philipp Kukura
- Department of Chemistry, University of Oxford, Oxford OX1 3QZ, United Kingdom
| | - Yi-Teng Hsiao
- Institute of Atomic and Molecular Sciences (IAMS), Academia Sinica 1, Roosevelt Rd. Sec. 4, Taipei 10617 Taiwan
| | - Chia-Lung Hsieh
- Institute of Atomic and Molecular Sciences (IAMS), Academia Sinica 1, Roosevelt Rd. Sec. 4, Taipei 10617 Taiwan
| | - Brian Abbey
- Australian Research Council Centre of Excellence for Advanced Molecular Imaging, La Trobe University, Melbourne, Victoria, Australia
- Department of Chemistry and Physics, La Trobe Institute for Molecular Science (LIMS), La Trobe University, Melbourne, Victoria, Australia
| | - Alberto Diaspro
- Optical Nanoscopy and NIC@IIT, CHT, Istituto Italiano di Tecnologia, Via Enrico Melen 83B, 16152 Genoa, Italy
- DIFILAB, Department of Physics, University of Genoa, Via Dodecaneso 33, 16146 Genoa, Italy
| | - Aymeric LeGratiet
- Optical Nanoscopy and NIC@IIT, CHT, Istituto Italiano di Tecnologia, Via Enrico Melen 83B, 16152 Genoa, Italy
- Université de Rennes, CNRS, Institut FOTON - UMR 6082, F-22305 Lannion, France
| | - Paolo Bianchini
- Optical Nanoscopy and NIC@IIT, CHT, Istituto Italiano di Tecnologia, Via Enrico Melen 83B, 16152 Genoa, Italy
- DIFILAB, Department of Physics, University of Genoa, Via Dodecaneso 33, 16146 Genoa, Italy
| | - Natan T. Shaked
- Tel Aviv University, Faculty of Engineering, Department of Biomedical Engineering, Tel Aviv 6997801, Israel
| | - Bertrand Simon
- LP2N, Institut d’Optique Graduate School, CNRS UMR 5298, Université de Bordeaux, Talence France
| | - Nicolas Verrier
- IRIMAS UR UHA 7499, Université de Haute-Alsace, Mulhouse, France
| | | | - Olivier Haeberlé
- IRIMAS UR UHA 7499, Université de Haute-Alsace, Mulhouse, France
| | - Sheng Wang
- School of Physics and Technology, Wuhan University, China
- Wuhan Institute of Quantum Technology, China
| | - Mengkun Liu
- Department of Physics and Astronomy, Stony Brook University, USA
- National Synchrotron Light Source II, Brookhaven National Laboratory, USA
| | - Yeran Bai
- Boston University Photonics Center, Boston, MA 02215, USA
| | - Ji-Xin Cheng
- Boston University Photonics Center, Boston, MA 02215, USA
| | - Behjat S. Kariman
- Optical Nanoscopy and NIC@IIT, CHT, Istituto Italiano di Tecnologia, Via Enrico Melen 83B, 16152 Genoa, Italy
- DIFILAB, Department of Physics, University of Genoa, Via Dodecaneso 33, 16146 Genoa, Italy
| | - Katsumasa Fujita
- Department of Applied Physics and the Advanced Photonics and Biosensing Open Innovation Laboratory (AIST); and the Transdimensional Life Imaging Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Osaka, Japan
| | - Moshe Sinvani
- Faculty of Engineering and the Nano-Technology Center, Bar-Ilan University, Ramat Gan, 52900 Israel
| | - Zeev Zalevsky
- Faculty of Engineering and the Nano-Technology Center, Bar-Ilan University, Ramat Gan, 52900 Israel
| | - Xiangping Li
- Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications, Institute of Photonics Technology, Jinan University, Guangzhou 510632, China
| | - Guan-Jie Huang
- Department of Physics and Molecular Imaging Center, National Taiwan University, Taipei 10617, Taiwan
- Brain Research Center, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Shi-Wei Chu
- Department of Physics and Molecular Imaging Center, National Taiwan University, Taipei 10617, Taiwan
- Brain Research Center, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Omer Tzang
- School of Chemistry, The Sackler faculty of Exact Sciences, and the Center for Light matter Interactions, and the Tel Aviv University Center for Nanoscience and Nanotechnology, Tel Aviv 69978, Israel
| | - Dror Hershkovitz
- School of Chemistry, The Sackler faculty of Exact Sciences, and the Center for Light matter Interactions, and the Tel Aviv University Center for Nanoscience and Nanotechnology, Tel Aviv 69978, Israel
| | - Ori Cheshnovsky
- School of Chemistry, The Sackler faculty of Exact Sciences, and the Center for Light matter Interactions, and the Tel Aviv University Center for Nanoscience and Nanotechnology, Tel Aviv 69978, Israel
| | - Mikko J. Huttunen
- Laboratory of Photonics, Physics Unit, Tampere University, FI-33014, Tampere, Finland
| | - Stefan G. Stanciu
- Center for Microscopy – Microanalysis and Information Processing, Politehnica University of Bucharest, 313 Splaiul Independentei, 060042, Bucharest, Romania
| | - Vera N. Smolyaninova
- Department of Physics Astronomy and Geosciences, Towson University, 8000 York Rd., Towson, MD 21252, USA
| | - Igor I. Smolyaninov
- Department of Electrical and Computer Engineering, University of Maryland, College Park, MD 20742, USA
| | - Ulf Leonhardt
- Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Sahar Sahebdivan
- EMTensor GmbH, TechGate, Donau-City-Strasse 1, 1220 Wien, Austria
| | - Zengbo Wang
- School of Computer Science and Electronic Engineering, Bangor University, Bangor, LL57 1UT, United Kingdom
| | - Boris Luk’yanchuk
- Faculty of Physics, Lomonosov Moscow State University, Moscow 119991, Russia
| | - Limin Wu
- Department of Materials Science and State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200433, China
| | - Alexey V. Maslov
- Department of Radiophysics, University of Nizhny Novgorod, Nizhny Novgorod, 603022, Russia
| | - Boya Jin
- Department of Physics and Optical Science, University of North Carolina at Charlotte, Charlotte, North Carolina 28223-0001, USA
| | - Constantin R. Simovski
- Department of Electronics and Nano-Engineering, Aalto University, FI-00076, Espoo, Finland
- Faculty of Physics and Engineering, ITMO University, 199034, St-Petersburg, Russia
| | - Stephane Perrin
- ICube Research Institute, University of Strasbourg - CNRS - INSA de Strasbourg, 300 Bd. Sébastien Brant, 67412 Illkirch, France
| | - Paul Montgomery
- ICube Research Institute, University of Strasbourg - CNRS - INSA de Strasbourg, 300 Bd. Sébastien Brant, 67412 Illkirch, France
| | - Sylvain Lecler
- ICube Research Institute, University of Strasbourg - CNRS - INSA de Strasbourg, 300 Bd. Sébastien Brant, 67412 Illkirch, France
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6
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Skripka A, Lee M, Qi X, Pan JA, Yang H, Lee C, Schuck PJ, Cohen BE, Jaque D, Chan EM. A Generalized Approach to Photon Avalanche Upconversion in Luminescent Nanocrystals. NANO LETTERS 2023; 23:7100-7106. [PMID: 37471584 DOI: 10.1021/acs.nanolett.3c01955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/22/2023]
Abstract
Photon avalanching nanoparticles (ANPs) exhibit extremely nonlinear upconverted emission valuable for subdiffraction imaging, nanoscale sensing, and optical computing. Avalanching has been demonstrated with Tm3+-, Pr3+-, or Nd3+-doped nanocrystals, but their emission is limited to a few wavelengths and materials. Here, we utilize Gd3+-assisted energy migration to tune the emission wavelengths of Tm3+-sensitized ANPs and generate highly nonlinear emission from Eu3+, Tb3+, Ho3+, and Er3+ ions. The upconversion intensities of these spectrally discrete ANPs scale with nonlinearity factor s = 10-17 under 1064 nm excitation at power densities as low as 7 kW cm-2. This strategy for imprinting avalanche behavior on remote emitters can be extended to fluorophores adjacent to ANPs, as we demonstrate with CdS/CdSe/CdS core/shell/shell quantum dots. ANPs with rationally designed energy transfer networks provide the means to transform conventional linear emitters into a highly nonlinear ones, expanding the use of photon avalanching in biological, chemical, and photonic applications.
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Affiliation(s)
- Artiom Skripka
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
- Nanomaterials for Bioimaging Group, Departamento de Física de Materiales, Facultad de Ciencias, Universidad Autónoma de Madrid, Madrid 28049, Spain
| | - Minji Lee
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
- Department of Chemical and Biomolecular Engineering, University of California, Berkeley, Berkeley, California 94720, United States
| | - Xiao Qi
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Jia-Ahn Pan
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
- Chemical Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Haoran Yang
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Changhwan Lee
- Department of Mechanical Engineering, Columbia University, New York, New York 10027, United States
| | - P James Schuck
- Department of Mechanical Engineering, Columbia University, New York, New York 10027, United States
| | - Bruce E Cohen
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
- Division of Molecular Biophysics & Integrated Bioimaging, Lawrence Berkeley National Laboratory, Berkeley California, 94720, United States
| | - Daniel Jaque
- Nanomaterials for Bioimaging Group, Departamento de Física de Materiales, Facultad de Ciencias, Universidad Autónoma de Madrid, Madrid 28049, Spain
- Institute for Advanced Research in Chemical Sciences (IAdChem), Universidad Autónoma de Madrid, Madrid 28049, Spain
| | - Emory M Chan
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
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7
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Matias JS, Komolibus K, Kho KW, Konugolu-Venkata-Sekar S, Andersson-Engels S. Generalised analytical model of the transition power densities of the upconversion luminescence and quantum yield. NANOSCALE ADVANCES 2023; 5:3279-3286. [PMID: 37325538 PMCID: PMC10263004 DOI: 10.1039/d2na00850e] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 04/04/2023] [Indexed: 06/17/2023]
Abstract
The quantum yield (QY) evaluation of upconverting nanoparticles (UCNPs) is an essential step in the characterisation of such materials. The QY of UCNPs is governed by competing mechanisms of populating and depopulating the electronic energy levels involved in the upconversion (UC), namely linear decay rates and energy transfer rates. As a consequence, at low excitation, the QY excitation power density (ρ) dependence obeys the power law ρn-1, where n represents the number of absorbed photons required for the emission of a single upconverted photon and determines the order of the energy transfer upconversion (ETU) process. At high power densities, the QY transits to a saturation level independent of the ETU process and the number of excitation photons, as a result of an anomalous power density dependence present in UCNPs. Despite the importance of this non-linear process for several applications (e.g., living tissue imaging and super-resolution-microscopy), little has been reported in the literature regarding theoretical studies to describe the UC QY, especially for ETUs with order higher than two. Therefore, this work presents a simple general analytical model, which introduces the concept of the transition power density points and QY saturation to characterise the QY of an arbitrary ETU process. The transition power density points determine where the power density dependence of the QY and the UC luminescence changes. The results provided in this paper from fitting the model to experimental QY data of a Yb-Tm codoped β-UCNP for 804 nm and 474 nm emissions (ETU2 and ETU3 processes, respectively) exemplify the application of the model. The common transition points found for both processes were compared to each other showing strong agreement with theory, as well as, compared to previous reports when possible.
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Affiliation(s)
- J S Matias
- Biophotonics@Tyndall, IPIC, Tyndall National Institute Cork Ireland
- Department of Physics, University College Cork Cork Ireland
| | - K Komolibus
- Biophotonics@Tyndall, IPIC, Tyndall National Institute Cork Ireland
| | - K W Kho
- Biophotonics@Tyndall, IPIC, Tyndall National Institute Cork Ireland
| | | | - S Andersson-Engels
- Biophotonics@Tyndall, IPIC, Tyndall National Institute Cork Ireland
- Department of Physics, University College Cork Cork Ireland
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8
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Liu Y, Zhou J, Wen S, Wang F, Wu H, Chen Q, Zuo C, Jin D. On-Chip Mirror Enhanced Multiphoton Upconversion Super-Resolution Microscopy. NANO LETTERS 2023. [PMID: 37276247 DOI: 10.1021/acs.nanolett.3c00763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Multiphoton upconversion super-resolution microscopy (MPUM) is a promising imaging modality, which can provide increased resolution and penetration depth by using nonlinear near-infrared emission light through the so-called transparent biological window. However, a high excitation power is needed to achieve emission saturation, which increases phototoxicity. Here, we present an approach to realize the nonlinear saturation emission under a low excitation power by a simply designed on-chip mirror. The interference of the local electromagnetic field can easily confine the point spread function to a specific area to increase the excitation efficiency, which enables emission saturation under a lower excitation power. With no additional complexity, the mirror assists to decrease the excitation power by 10-fold and facilities the achievement of a lateral resolution around 35 nm, 1/28th of the excitation wavelength, in imaging of a single nanoparticle on-chip. This method offers a simple solution for super-resolution enhancement by a predesigned on-chip device.
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Affiliation(s)
- Yongtao Liu
- Smart Computational Imaging Laboratory(SCILab), School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu Province 210094, China
- Institute for Biomedical Materials and Devices (IBMD), Faculty of Science, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Jiajia Zhou
- Institute for Biomedical Materials and Devices (IBMD), Faculty of Science, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Shihui Wen
- Institute for Biomedical Materials and Devices (IBMD), Faculty of Science, University of Technology Sydney, Sydney, NSW 2007, Australia
| | - Fan Wang
- School of Physics, Beihang University, Beijing 102206 P. R. China
| | - Hongjun Wu
- Smart Computational Imaging Laboratory(SCILab), School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu Province 210094, China
| | - Qian Chen
- Smart Computational Imaging Laboratory(SCILab), School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu Province 210094, China
| | - Chao Zuo
- Smart Computational Imaging Laboratory(SCILab), School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu Province 210094, China
| | - Dayong Jin
- Institute for Biomedical Materials and Devices (IBMD), Faculty of Science, University of Technology Sydney, Sydney, NSW 2007, Australia
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9
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Liu Y, Wen S, Wang F, Zuo C, Chen C, Zhou J, Jin D. Population Control of Upconversion Energy Transfer for Stimulation Emission Depletion Nanoscopy. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023:e2205990. [PMID: 37088783 PMCID: PMC10369235 DOI: 10.1002/advs.202205990] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2022] [Revised: 03/16/2023] [Indexed: 05/03/2023]
Abstract
Upconverting stimulated emission depletion microscopy (U-STED) is emerging as an effective approach for super-resolution imaging due to its significantly low depletion power and its ability to surpass the limitations of the square-root law and achieve higher resolution. Though the compelling performance, a trade-off between the spatial resolution and imaging quality in U-STED has been recognized in restricting the usability due to the low excitation power drove high depletion efficiency. Moreover, it is a burden to search for the right power relying on trial and error as the underpinning mechanism is unknown. Here, a method is proposed that can easily predict the ideal excitation power for high depletion efficiency with the assistance of the non-saturate excitation based on the dynamic cross-relaxation (CR) energy transfer of upconversion nanoparticles. This allows the authors to employ the rate equation model to simulate the populations of each relevant energy state of lanthanides and predict the ideal excitation power for high depletion efficiency. The authors demonstrate that the resolution of STED with the assistance of nonsaturated confocal super-resolution results can easily achieve the highest resolution of sub-40 nm, 1/24th of the excitation wavelengths. The finding on the CR effect provides opportunities for population control in realizing low-power high-resolution nanoscopy.
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Affiliation(s)
- Yongtao Liu
- Smart Computational Imaging Laboratory (SCILab), School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu Province, 210094, P. R. China
- Institute for Biomedical Materials and Devices (IBMD), Faculty of Science, University of Technology Sydney, Sydney, NSW, 2007, Australia
| | - Shihui Wen
- Institute for Biomedical Materials and Devices (IBMD), Faculty of Science, University of Technology Sydney, Sydney, NSW, 2007, Australia
| | - Fan Wang
- School of Physics, Beihang University, Beijing, 102206, P. R. China
| | - Chao Zuo
- Smart Computational Imaging Laboratory (SCILab), School of Electronic and Optical Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu Province, 210094, P. R. China
| | - Chaohao Chen
- School of Electrical and Data Engineering, Faculty of Engineering and Information Technology, University of Technology Sydney, Sydney, NSW, 2007
| | - Jiajia Zhou
- Institute for Biomedical Materials and Devices (IBMD), Faculty of Science, University of Technology Sydney, Sydney, NSW, 2007, Australia
| | - Dayong Jin
- Institute for Biomedical Materials and Devices (IBMD), Faculty of Science, University of Technology Sydney, Sydney, NSW, 2007, Australia
- UTS-SUStech Joint Research Centre for Biomedical Materials & Devices, Southern University of Science and Technology, Shenzhen, Guangdong, 518055, P. R. China
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10
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Chen XD, Wang EH, Shan LK, Zhang SC, Feng C, Zheng Y, Dong Y, Guo GC, Sun FW. Quantum enhanced radio detection and ranging with solid spins. Nat Commun 2023; 14:1288. [PMID: 36894541 PMCID: PMC9998632 DOI: 10.1038/s41467-023-36929-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 02/21/2023] [Indexed: 03/11/2023] Open
Abstract
The accurate radio frequency (RF) ranging and localizing of objects has benefited the researches including autonomous driving, the Internet of Things, and manufacturing. Quantum receivers have been proposed to detect the radio signal with ability that can outperform conventional measurement. As one of the most promising candidates, solid spin shows superior robustness, high spatial resolution and miniaturization. However, challenges arise from the moderate response to a high frequency RF signal. Here, by exploiting the coherent interaction between quantum sensor and RF field, we demonstrate quantum enhanced radio detection and ranging. The RF magnetic sensitivity is improved by three orders to 21 [Formula: see text], based on nanoscale quantum sensing and RF focusing. Further enhancing the response of spins to the target's position through multi-photon excitation, a ranging accuracy of 16 μm is realized with a GHz RF signal. The results pave the way for exploring quantum enhanced radar and communications with solid spins.
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Affiliation(s)
- Xiang-Dong Chen
- CAS Key Laboratory of Quantum Information, School of Physical Sciences, University of Science and Technology of China, Hefei, 230026, P. R. China.,CAS Center For Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, 230026, P. R. China.,Hefei National Laboratory, University of Science and Technology of China, Hefei, 230088, P. R. China
| | - En-Hui Wang
- CAS Key Laboratory of Quantum Information, School of Physical Sciences, University of Science and Technology of China, Hefei, 230026, P. R. China.,CAS Center For Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Long-Kun Shan
- CAS Key Laboratory of Quantum Information, School of Physical Sciences, University of Science and Technology of China, Hefei, 230026, P. R. China.,CAS Center For Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Shao-Chun Zhang
- CAS Key Laboratory of Quantum Information, School of Physical Sciences, University of Science and Technology of China, Hefei, 230026, P. R. China.,CAS Center For Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Ce Feng
- CAS Key Laboratory of Quantum Information, School of Physical Sciences, University of Science and Technology of China, Hefei, 230026, P. R. China.,CAS Center For Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Yu Zheng
- CAS Key Laboratory of Quantum Information, School of Physical Sciences, University of Science and Technology of China, Hefei, 230026, P. R. China.,CAS Center For Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Yang Dong
- CAS Key Laboratory of Quantum Information, School of Physical Sciences, University of Science and Technology of China, Hefei, 230026, P. R. China.,CAS Center For Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, 230026, P. R. China
| | - Guang-Can Guo
- CAS Key Laboratory of Quantum Information, School of Physical Sciences, University of Science and Technology of China, Hefei, 230026, P. R. China.,CAS Center For Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, 230026, P. R. China.,Hefei National Laboratory, University of Science and Technology of China, Hefei, 230088, P. R. China
| | - Fang-Wen Sun
- CAS Key Laboratory of Quantum Information, School of Physical Sciences, University of Science and Technology of China, Hefei, 230026, P. R. China. .,CAS Center For Excellence in Quantum Information and Quantum Physics, University of Science and Technology of China, Hefei, 230026, P. R. China. .,Hefei National Laboratory, University of Science and Technology of China, Hefei, 230088, P. R. China.
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11
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Kim J, Park HS, Ahn Y, Cho YJ, Shin HH, Hong KS, Nam SH. Universal Emission Characteristics of Upconverting Nanoparticles Revealed by Single-Particle Spectroscopy. ACS NANO 2023; 17:648-656. [PMID: 36565305 DOI: 10.1021/acsnano.2c09896] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Upconverting nanoparticles (UCNPs) have been extensively investigated for nanophotonics and biomedical applications. However, establishing a unified view of their emission characteristics to elucidate the underlying photophysics and expand the application fields of these materials is a great challenge due to their sophisticated internal energy transfer and lack of standardized single-particle spectroscopy (SPS) platform. Here, we present an SPS technique called multiband single-particle irradiance-dependent imaging (multiband SPIDI). We demonstrate that the emission characteristics of Yb3+,Tm3+-doped UCNPs are universal for three emission bands over a wide range of irradiance and dependent on the Tm3+ doping concentration, indicating that the number of emitted photons of each band is proportional to the number of activator ions and is dependent on the number of absorbed photons and the activator interionic distance. We also suggest a cooperative energy transfer upconversion (CETU) mechanism for transition to a higher-energy state through photon accumulation. For a single UCNP, the emission at 800 nm is detectable at an ultralow irradiance of 4.9 W cm-2; moreover, that at 450 nm is measurable at 98 W cm-2, based on the optimal concentration. These findings based on the multiband SPIDI platform can provide insights into the interionic energy transfer by studying irradiance-dependent steady-state dynamics to achieve brighter UCNPs and their broader applications.
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Affiliation(s)
- Jongwoo Kim
- Laboratory for Advanced Molecular Probing (LAMP), Korea Research Institute of Chemical Technology, Daejeon34114, Republic of Korea
| | - Hye Sun Park
- Research Center for Bioconvergence Analysis, Korea Basic Science Institute, Cheongju28119, Republic of Korea
| | - Yun Ahn
- Department of Physics, Chungbuk National University, Cheongju, Chungbuk28644, Republic of Korea
| | - Youn-Joo Cho
- Research Center for Bioconvergence Analysis, Korea Basic Science Institute, Cheongju28119, Republic of Korea
| | - Hyeon Ho Shin
- Laboratory for Advanced Molecular Probing (LAMP), Korea Research Institute of Chemical Technology, Daejeon34114, Republic of Korea
- KU-KIST Graduate School of Converging Science and Technology, Korea University, Seongbuk-gu, Seoul02841, Republic of Korea
| | - Kwan Soo Hong
- Research Center for Bioconvergence Analysis, Korea Basic Science Institute, Cheongju28119, Republic of Korea
- Graduate School of Analytical Science and Technology, Chungnam National University, Daejeon34134, Republic of Korea
| | - Sang Hwan Nam
- Laboratory for Advanced Molecular Probing (LAMP), Korea Research Institute of Chemical Technology, Daejeon34114, Republic of Korea
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12
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Mettenbrink EM, Yang W, Wilhelm S. Bioimaging with Upconversion Nanoparticles. ADVANCED PHOTONICS RESEARCH 2022; 3:2200098. [PMID: 36686152 PMCID: PMC9858112 DOI: 10.1002/adpr.202200098] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Bioimaging enables the spatiotemporal visualization of biological processes at various scales empowered by a range of different imaging modalities and contrast agents. Upconversion nanoparticles (UCNPs) represent a distinct type of such contrast agents with the potential to transform bioimaging due to their unique optical properties and functional design flexibilities. This review explores and discusses the opportunities, challenges, and limitations that UCNPs exhibit as bioimaging probes and highlights applications with spatial dimensions ranging from the single nanoparticle level to cellular, tissue, and whole animal imaging. We further summarized recent advancements in bioimaging applications enabled by UCNPs, including super-resolution techniques and multimodal imaging methods, and provide a perspective on the future potential of UCNP-based technologies in bioimaging research and clinical translation. This review may provide a valuable resource for researchers interested in exploring and applying UCNP-based bioimaging technologies.
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Affiliation(s)
- Evan M. Mettenbrink
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma, 73019, USA
| | - Wen Yang
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma, 73019, USA
| | - Stefan Wilhelm
- Stephenson School of Biomedical Engineering, University of Oklahoma, Norman, Oklahoma, 73019, USA
- Stephenson Cancer Center, University of Oklahoma Health Sciences Center, Oklahoma City, Oklahoma, 73104, USA
- Institute for Biomedical Engineering, Science, and Technology (IBEST), University of Oklahoma, Norman, Oklahoma, 73019, USA
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13
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Pu R, Zhan Q, Peng X, Liu S, Guo X, Liang L, Qin X, Zhao ZW, Liu X. Super-resolution microscopy enabled by high-efficiency surface-migration emission depletion. Nat Commun 2022; 13:6636. [PMID: 36333290 PMCID: PMC9636245 DOI: 10.1038/s41467-022-33726-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 09/28/2022] [Indexed: 11/06/2022] Open
Abstract
Nonlinear depletion of fluorescence states by stimulated emission constitutes the basis of stimulated emission depletion (STED) microscopy. Despite significant efforts over the past decade, achieving super-resolution at low saturation intensities by STED remains a major technical challenge. By harnessing the surface quenching effect in NaGdF4:Yb/Tm nanocrystals, we report here high-efficiency emission depletion through surface migration. Using a dual-beam, continuous-wave laser manipulation scheme (975-nm excitation and 730-nm de-excitation), we achieved an emission depletion efficiency of over 95% and a low saturation intensity of 18.3 kW cm-2. Emission depletion by surface migration through gadolinium sublattices enables super-resolution imaging with sub-20 nm lateral resolution. Our approach circumvents the fundamental limitation of high-intensity STED microscopy, providing autofluorescence-free, re-excitation-background-free imaging with a saturation intensity over three orders of magnitude lower than conventional fluorophores. We also demonstrated super-resolution imaging of actin filaments in Hela cells labeled with 8-nm nanoparticles. Combined with the highly photostable lanthanide luminescence, surface-migration emission depletion (SMED) could provide a powerful mechanism for low-power, super-resolution imaging or biological tracking as well as super-resolved optical sensing/writing and lithography.
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Affiliation(s)
- Rui Pu
- grid.263785.d0000 0004 0368 7397Centre for Optical and Electromagnetic Research, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, 510006 P. R. China
| | - Qiuqiang Zhan
- grid.263785.d0000 0004 0368 7397Centre for Optical and Electromagnetic Research, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, 510006 P. R. China ,grid.263785.d0000 0004 0368 7397National Center for International Research on Green Optoelectronics, Guangdong Engineering Research Centre of Optoelectronic Intelligent Information Perception, South China Normal University, Guangzhou, 510006 P. R. China ,grid.263785.d0000 0004 0368 7397MOE Key laboratory & Guangdong Provincial Key laboratory of Laser Life Science, South China Normal University, Guangzhou, 510631 P. R. China
| | - Xingyun Peng
- grid.263785.d0000 0004 0368 7397Centre for Optical and Electromagnetic Research, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, 510006 P. R. China
| | - Siying Liu
- grid.263785.d0000 0004 0368 7397Centre for Optical and Electromagnetic Research, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, 510006 P. R. China
| | - Xin Guo
- grid.263785.d0000 0004 0368 7397Centre for Optical and Electromagnetic Research, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, 510006 P. R. China
| | - Liangliang Liang
- grid.4280.e0000 0001 2180 6431Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543 Singapore
| | - Xian Qin
- grid.4280.e0000 0001 2180 6431Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543 Singapore
| | - Ziqing Winston Zhao
- grid.4280.e0000 0001 2180 6431Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543 Singapore ,grid.4280.e0000 0001 2180 6431Centre for BioImaging Sciences, National University of Singapore, 14 Science Drive 4, Singapore, 117557 Singapore ,grid.4280.e0000 0001 2180 6431Mechanobiology Institute, National University of Singapore, 5A Engineering Drive 1, Singapore, 117411 Singapore
| | - Xiaogang Liu
- grid.4280.e0000 0001 2180 6431Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore, 117543 Singapore ,grid.4280.e0000 0001 2180 6431The N.1 Institute for Health, National University of Singapore, Singapore, 117456 Singapore
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14
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Chen C, Ding L, Liu B, Du Z, Liu Y, Di X, Shan X, Lin C, Zhang M, Xu X, Zhong X, Wang J, Chang L, Halkon B, Chen X, Cheng F, Wang F. Exploiting Dynamic Nonlinearity in Upconversion Nanoparticles for Super-Resolution Imaging. NANO LETTERS 2022; 22:7136-7143. [PMID: 36018249 DOI: 10.1021/acs.nanolett.2c02269] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Single-beam super-resolution microscopy, also known as superlinear microscopy, exploits the nonlinear response of fluorescent probes in confocal microscopy. The technique requires no complex purpose-built system, light field modulation, or beam shaping. Here, we present a strategy to enhance this technique's spatial resolution by modulating excitation intensity during image acquisition. This modulation induces dynamic optical nonlinearity in upconversion nanoparticles (UCNPs), resulting in variations of nonlinear fluorescence response in the obtained images. The higher orders of fluorescence response can be extracted with a proposed weighted finite difference imaging algorithm from raw fluorescence images to generate an image with higher resolution than superlinear microscopy images. We apply this approach to resolve single nanoparticles in a large area, improving the resolution to 132 nm. This work suggests a new scope for the development of dynamic nonlinear fluorescent probes in super-resolution nanoscopy.
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Affiliation(s)
- Chaohao Chen
- Guangdong Engineering and Technology Research Center for Advanced Nanomaterials, School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan 523808, China
- Department of Chemical Engineering, Shaanxi Key Laboratory of Energy Chemical Process Intensification, Institute of Polymer Science in Chemical Engineering, School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an 710049, China
| | - Lei Ding
- School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Ultimo, New South Wales 2007, Australia
| | - Baolei Liu
- School of Physics, Beihang University, Beijing 100191, China
| | - Ziqing Du
- School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Ultimo, New South Wales 2007, Australia
| | - Yongtao Liu
- Smart Computational Imaging Laboratory, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, China
| | - Xiangjun Di
- School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, Ultimo, New South Wales 2007, Australia
| | - Xuchen Shan
- School of Physics, Beihang University, Beijing 100191, China
| | - Chenxiao Lin
- Department for Electrochemical Energy Storage, Helmholtz-Zentrum Berlin für Materialien und Energie, Hahn-Meitner-Platz, Berlin 14109, Germany
| | - Min Zhang
- Guangdong Engineering and Technology Research Center for Advanced Nanomaterials, School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan 523808, China
| | - Xiaoxue Xu
- School of Biomedical Engineering, Faculty of Engineering and Information Technology, University of Technology Sydney, Ultimo, New South Wales 2007, Australia
| | - Xiaolan Zhong
- School of Physics, Beihang University, Beijing 100191, China
| | - Jianfeng Wang
- School of Physics, Beihang University, Beijing 100191, China
| | - Lingqian Chang
- Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China
| | - Benjamin Halkon
- Centre for Audio, Acoustics & Vibration, Faculty of Engineering & IT, University of Technology Sydney, Ultimo, New South Wales 2007, Australia
| | - Xin Chen
- Department of Chemical Engineering, Shaanxi Key Laboratory of Energy Chemical Process Intensification, Institute of Polymer Science in Chemical Engineering, School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an 710049, China
| | - Faliang Cheng
- Guangdong Engineering and Technology Research Center for Advanced Nanomaterials, School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan 523808, China
| | - Fan Wang
- School of Physics, Beihang University, Beijing 100191, China
- School of Electrical and Data Engineering, Faculty of Engineering and Information Technology, University of Technology Sydney, Ultimo, New South Wales 2007, Australia
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15
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Ke Y, Liu Y, Zu B, Lei D, Wang G, Li J, Ren W, Dou X. Electronic Tuning in Reaction-Based Fluorescent Sensing for Instantaneous and Ultrasensitive Visualization of Ethylenediamine. Angew Chem Int Ed Engl 2022; 61:e202203358. [PMID: 35363416 DOI: 10.1002/anie.202203358] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Indexed: 11/06/2022]
Abstract
Manipulation of a multi-physical quantity to steer a molecular photophysical property is of great significance in improving sensing performance. Here, an investigation on how a physical quantity rooted in the molecular structure induces an optical behavior change to facilitate ultrasensitive detection of ethylenediamine (EDA) is performed by varying a set of thiols. The model molecule consisting of a thiol with dual-carboxyl exhibits the strongest fluorescence, which is ascribed to the electron-donating ability and prompted larger orbital overlap and oscillator strength. The elevated fluorescence positively corelated to the increased EDA, endowing an ultrasensitive response to the nanomolar-liquid/ppm-vapor. A gas detector with superior performance fulfills a contactless and real-time management of EDA. We envisage this electron-tuning strategy-enabled fluorescence enhancement can offer in-depth insight in advancing molecule-customized design, further paving the way to widening applications.
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Affiliation(s)
- Yulei Ke
- Xinjiang Key laboratory of Explosives Safety Science, Xinjiang Technical Institute of Physics & Chemistry, Chinese Academy of Sciences, Urumqi, 830000, China.,Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yuan Liu
- Xinjiang Key laboratory of Explosives Safety Science, Xinjiang Technical Institute of Physics & Chemistry, Chinese Academy of Sciences, Urumqi, 830000, China
| | - Baiyi Zu
- Xinjiang Key laboratory of Explosives Safety Science, Xinjiang Technical Institute of Physics & Chemistry, Chinese Academy of Sciences, Urumqi, 830000, China
| | - Da Lei
- Xinjiang Key laboratory of Explosives Safety Science, Xinjiang Technical Institute of Physics & Chemistry, Chinese Academy of Sciences, Urumqi, 830000, China
| | - Guangfa Wang
- Xinjiang Key laboratory of Explosives Safety Science, Xinjiang Technical Institute of Physics & Chemistry, Chinese Academy of Sciences, Urumqi, 830000, China
| | - Jiguang Li
- Xinjiang Key laboratory of Explosives Safety Science, Xinjiang Technical Institute of Physics & Chemistry, Chinese Academy of Sciences, Urumqi, 830000, China.,Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Wenfei Ren
- Xinjiang Key laboratory of Explosives Safety Science, Xinjiang Technical Institute of Physics & Chemistry, Chinese Academy of Sciences, Urumqi, 830000, China.,Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xincun Dou
- Xinjiang Key laboratory of Explosives Safety Science, Xinjiang Technical Institute of Physics & Chemistry, Chinese Academy of Sciences, Urumqi, 830000, China.,Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing, 100049, China
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16
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Liang Y, Zhu Z, Qiao S, Guo X, Pu R, Tang H, Liu H, Dong H, Peng T, Sun LD, Widengren J, Zhan Q. Migrating photon avalanche in different emitters at the nanoscale enables 46th-order optical nonlinearity. NATURE NANOTECHNOLOGY 2022; 17:524-530. [PMID: 35469009 DOI: 10.1038/s41565-022-01101-8] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Accepted: 02/21/2022] [Indexed: 06/14/2023]
Abstract
A photon avalanche (PA) effect that occurs in lanthanide-doped solids gives rise to a giant nonlinear response in the luminescence intensity to the excitation light intensity. As a result, much weaker lasers are needed to evoke such PAs than for other nonlinear optical processes. Photon avalanches are mostly restricted to bulk materials and conventionally rely on sophisticated excitation schemes, specific for each individual system. Here we show a universal strategy, based on a migrating photon avalanche (MPA) mechanism, to generate huge optical nonlinearities from various lanthanide emitters located in multilayer core/shell nanostructrues. The core of the MPA nanoparticle, composed of Yb3+ and Pr3+ ions, activates avalanche looping cycles, where PAs are synchronously achieved for both Yb3+ and Pr3+ ions under 852 nm laser excitation. These nanocrystals exhibit a 26th-order nonlinearity and a clear pumping threshold of 60 kW cm-2. In addition, we demonstrate that the avalanching Yb3+ ions can migrate their optical nonlinear response to other emitters (for example, Ho3+ and Tm3+) located in the outer shell layer, resulting in an even higher-order nonlinearity (up to the 46th for Tm3+) due to further cascading multiplicative effects. Our strategy therefore provides a facile route to achieve giant optical nonlinearity in different emitters. Finally, we also demonstrate applicability of MPA emitters to bioimaging, achieving a lateral resolution of ~62 nm using one low-power 852 nm continuous-wave laser beam.
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Affiliation(s)
- Yusen Liang
- Centre for Optical and Electromagnetic Research, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, P. R. China
| | - Zhimin Zhu
- Centre for Optical and Electromagnetic Research, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, P. R. China
| | - Shuqian Qiao
- Centre for Optical and Electromagnetic Research, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, P. R. China
| | - Xin Guo
- Centre for Optical and Electromagnetic Research, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, P. R. China
| | - Rui Pu
- Centre for Optical and Electromagnetic Research, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, P. R. China
| | - Huan Tang
- Centre for Optical and Electromagnetic Research, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, P. R. China
| | - Haichun Liu
- Experimental Biomolecular Physics, Department of Applied Physics, KTH Royal Institute of Technology, Stockholm, Sweden
| | - Hao Dong
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, PKU-HKU Joint Laboratory in Rare Earth Materials and Bioinorganic Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, P. R. China
| | - Tingting Peng
- Centre for Optical and Electromagnetic Research, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, P. R. China
| | - Ling-Dong Sun
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, PKU-HKU Joint Laboratory in Rare Earth Materials and Bioinorganic Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, P. R. China
| | - Jerker Widengren
- Experimental Biomolecular Physics, Department of Applied Physics, KTH Royal Institute of Technology, Stockholm, Sweden
| | - Qiuqiang Zhan
- Centre for Optical and Electromagnetic Research, South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou, P. R. China.
- MOE Key Laboratory of Laser Life Science, Institute of Laser Life Science, Guangdong Engineering Research Centre of Optoelectronic Intelligent Information Perception, South China Normal University, Guangzhou, P. R. China.
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17
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Huang J, Yan L, Liu S, Tao L, Zhou B. Expanding the toolbox of photon upconversion for emerging frontier applications. MATERIALS HORIZONS 2022; 9:1167-1195. [PMID: 35084000 DOI: 10.1039/d1mh01654g] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Photon upconversion in lanthanide-based materials has recently shown compelling advantages in a wide range of fields due to their exceptional anti-Stokes luminescence performances and physicochemical properties. In particular, the latest breakthroughs in the optical manipulation of photon upconversion, such as the precise tuning of switchable emission profiles and lifetimes, open up new opportunities for diverse frontier applications from biological imaging to therapy, nanophotonics and three-dimensional displays. A summary and discussion on the recent progress can provide new insights into the fundamental understanding of luminescence mechanisms and also help to inspire new upconversion concepts and promote their frontier applications. Herein, we present a review on the state-of-the-art progress of lanthanide-based upconversion materials, focusing on the newly emerging approaches to the smart control of upconversion in aspects of light intensity, colors, and lifetimes, as well as new concepts. The emerging scientific and technological discoveries based on the well-designed upconversion materials are highlighted and discussed, along with the challenges and future perspectives. This review will contribute to the understanding of the fundamental research of photon upconversion and further promote the development of new classes of efficient upconversion materials towards diversities of frontier applications in the future.
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Affiliation(s)
- Jinshu Huang
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, Guangdong Engineering Technology Research and Development Center of Special Optical Fiber Materials and Devices, South China University of Technology, Guangzhou 510641, China.
| | - Long Yan
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, Guangdong Engineering Technology Research and Development Center of Special Optical Fiber Materials and Devices, South China University of Technology, Guangzhou 510641, China.
| | - Songbin Liu
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, Guangdong Engineering Technology Research and Development Center of Special Optical Fiber Materials and Devices, South China University of Technology, Guangzhou 510641, China.
| | - Lili Tao
- Guangdong Provincial Key Laboratory of Information Photonics Technology, School of Materials and Energy, Guangdong University of Technology, Guangzhou 510006, China.
| | - Bo Zhou
- State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Fiber Laser Materials and Applied Techniques, Guangdong Engineering Technology Research and Development Center of Special Optical Fiber Materials and Devices, South China University of Technology, Guangzhou 510641, China.
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18
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Cao Y, Wu J, Zheng X, Lu Y, Piper JA, Lu Y, Packer NH. Assessing the activity of antibodies conjugated to upconversion nanoparticles for immunolabeling. Anal Chim Acta 2022; 1209:339863. [DOI: 10.1016/j.aca.2022.339863] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Revised: 04/08/2022] [Accepted: 04/19/2022] [Indexed: 11/01/2022]
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19
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Ke Y, Liu Y, Zu B, Lei D, Wang G, Li J, Ren W, Dou X. Electronic Tuning in Reaction‐based Fluorescent Sensing for Instantaneous and Ultrasensitive Visualization of Ethylenediamine. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202203358] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Yulei Ke
- Xinjiang Technical Institute of Physics and Chemistry ESS CHINA
| | - Yuan Liu
- Xinjiang Technical Institute of Physics and Chemistry ESS CHINA
| | - Baiyi Zu
- Xinjiang Technical Institute of Physics and Chemistry ESS CHINA
| | - Da Lei
- Xinjiang Technical Institute of Physics and Chemistry ESS CHINA
| | - Guangfa Wang
- Xinjiang Technical Institute of Physics and Chemistry ESS CHINA
| | - Jiguang Li
- Xinjiang Technical Institute of Physics and Chemistry ESS CHINA
| | - Wenfei Ren
- Xinjiang Technical Institute of Physics and Chemistry ESS CHINA
| | - Xincun Dou
- Xinjiang Technical Institute of Physics and Chemistry ESS 40-1 South Beijing Road 830011 Urumqi CHINA
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20
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Near-infrared excitation/emission microscopy with lanthanide-based nanoparticles. Anal Bioanal Chem 2022; 414:4291-4310. [PMID: 35312819 DOI: 10.1007/s00216-022-03999-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 02/23/2022] [Accepted: 02/28/2022] [Indexed: 12/26/2022]
Abstract
Near-infrared optical imaging offers some advantages over conventional imaging, such as deeper tissue penetration, low or no autofluorescence, and reduced tissue scattering. Lanthanide-doped nanoparticles (LnNPs) have become a trend in the field of photoactive nanomaterials for optical imaging due to their unique optical features and because they can use NIR light as excitation and/or emission light. This review is focused on NaREF4 NPs and offers an overview of the state-of-the-art investigation in their use as luminophores in optical microscopy, time-resolved imaging, and super-resolution nanoscopy based on, or applied to, LnNPs. Secondly, whenever LnNPs are combined with other nanomaterial or nanoparticle to afford nanohybrids, the characterization of their physical and chemical properties is of current interest. In this context, the latest trends in optical microscopy and their future perspectives are discussed.
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21
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Matias JS, Komolibus K, Konugolu-Venkata-Sekar S, Andersson-Engels S. Evaluation of relative beam-profile-compensated quantum yield of upconverting nanoparticles over a wide dynamic range of power densities. NANOSCALE 2022; 14:2230-2237. [PMID: 35080228 DOI: 10.1039/d1nr06129a] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The presented work uses a discrete strategy of beam profile compensation to evaluate the local internal quantum yield (iQY) of upconverting nanoparticles (UCNPs) at the pixel level of the beam profile using a compact CMOS camera. The two-photon process of upconversion with a central emission peak at 804 nm was studied for a β-phase core-shell Tm-codoped UCNP under 976 nm excitation. At the balancing power density point, ρb, found to be 44 ± 3 W cm-2, the iQY, ηb, was obtained as 2.3 ± 0.1%. Combining the power density dynamic range provided by the pixel depth of the camera with the dynamic range achieved using two distinct beam profiles to excite the UCNPs, the iQY was evaluated throughout a range of 104 in the iQY scale (from 0.0003% to 4.6%) and 106 in power densities of excitation (from 0.003 W cm-2 to 1050 W cm-2). To the best of our knowledge, these are the lowest values ever obtained as QY results have never been reported under 0.02% or at excitation power densities below 0.01 W cm-2.
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Affiliation(s)
- J S Matias
- Biophotonics@Tyndall, IPIC, Tyndall National Institute, Cork, Ireland.
- Department of Physics, University College Cork, Cork, Ireland
| | - K Komolibus
- Biophotonics@Tyndall, IPIC, Tyndall National Institute, Cork, Ireland.
| | | | - S Andersson-Engels
- Biophotonics@Tyndall, IPIC, Tyndall National Institute, Cork, Ireland.
- Department of Physics, University College Cork, Cork, Ireland
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22
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Lu X, Li W, Zhu Z, Hu Y, Tang Z, Zhang W, Liu K, Su Y, Zheng J, Chen W, Tang M, Xie Z, Huang Y, Li L. Classification and Inverse Design of Metasurface Absorber in Visible Band. ADVANCED THEORY AND SIMULATIONS 2021. [DOI: 10.1002/adts.202100338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Xuehua Lu
- Laboratory of Micro‐Nano Optics School of Physics and Electronic Engineering Sichuan Normal University Chengdu 610101 China
| | - Wenbin Li
- Laboratory of Micro‐Nano Optics School of Physics and Electronic Engineering Sichuan Normal University Chengdu 610101 China
| | - Zhihui Zhu
- Sichuan Creating Sharing Opening Information Technologies Inc. Chengdu Sichuan Province 610042 China
| | - Yongqiang Hu
- Laboratory of Micro‐Nano Optics School of Physics and Electronic Engineering Sichuan Normal University Chengdu 610101 China
| | - Ziyi Tang
- Laboratory of Micro‐Nano Optics School of Physics and Electronic Engineering Sichuan Normal University Chengdu 610101 China
| | - Wenpeng Zhang
- Laboratory of Micro‐Nano Optics School of Physics and Electronic Engineering Sichuan Normal University Chengdu 610101 China
| | - Ke Liu
- Laboratory of Micro‐Nano Optics School of Physics and Electronic Engineering Sichuan Normal University Chengdu 610101 China
| | - Yarong Su
- Laboratory of Micro‐Nano Optics School of Physics and Electronic Engineering Sichuan Normal University Chengdu 610101 China
| | - Jie Zheng
- Laboratory of Micro‐Nano Optics School of Physics and Electronic Engineering Sichuan Normal University Chengdu 610101 China
| | - Weidong Chen
- Laboratory of Micro‐Nano Optics School of Physics and Electronic Engineering Sichuan Normal University Chengdu 610101 China
| | - Mingjun Tang
- Laboratory of Micro‐Nano Optics School of Physics and Electronic Engineering Sichuan Normal University Chengdu 610101 China
| | - Zhengwei Xie
- Laboratory of Micro‐Nano Optics School of Physics and Electronic Engineering Sichuan Normal University Chengdu 610101 China
| | - Yijia Huang
- Laboratory of Micro‐Nano Optics School of Physics and Electronic Engineering Sichuan Normal University Chengdu 610101 China
| | - Ling Li
- Laboratory of Micro‐Nano Optics School of Physics and Electronic Engineering Sichuan Normal University Chengdu 610101 China
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23
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Chen Y, Shimoni O, Huang G, Wen S, Liao J, Duong HTT, Maddahfar M, Su QP, Ortega DG, Lu Y, Campbell DH, Walsh BJ, Jin D. Upconversion nanoparticle-assisted single-molecule assay for detecting circulating antigens of aggressive prostate cancer. Cytometry A 2021; 101:400-410. [PMID: 34585823 DOI: 10.1002/cyto.a.24504] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 09/06/2021] [Accepted: 09/20/2021] [Indexed: 01/22/2023]
Abstract
Sensitive and quantitative detection of molecular biomarkers is crucial for the early diagnosis of diseases like metabolic syndrome and cancer. Here we present a single-molecule sandwich immunoassay by imaging the number of single nanoparticles to diagnose aggressive prostate cancer. Our assay employed the photo-stable upconversion nanoparticles (UCNPs) as labels to detect the four types of circulating antigens in blood circulation, including glypican-1 (GPC-1), leptin, osteopontin (OPN), and vascular endothelial growth factor (VEGF), as their serum concentrations indicate aggressive prostate cancer. Under a wide-field microscope, a single UCNP doped with thousands of lanthanide ions can emit sufficiently bright anti-Stokes' luminescence to become quantitatively detectable. By counting every single streptavidin-functionalized UCNP which specifically labeled on each sandwich immune complex across multiple fields of views, we achieved the Limit of Detection (LOD) of 0.0123 ng/ml, 0.2711 ng/ml, 0.1238 ng/ml, and 0.0158 ng/ml for GPC-1, leptin, OPN and VEGF, respectively. The serum circulating level of GPC-1, leptin, OPN, and VEGF in a mixture of 10 healthy normal human serum was 25.17 ng/ml, 18.04 ng/ml, 11.34 ng/ml, and 1.55 ng/ml, which was within the assay dynamic detection range for each analyte. Moreover, a 20% increase of GPC-1 and OPN was observed by spiking the normal human serum with recombinant antigens to confirm the accuracy of the assay. We observed no cross-reactivity among the four biomarker analytes, which eliminates the false positives and enhances the detection accuracy. The developed single upconversion nanoparticle-assisted single-molecule assay suggests its potential in clinical usage for prostate cancer detection by monitoring tiny concentration differences in a panel of serum biomarkers.
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Affiliation(s)
- Yinghui Chen
- Institute for Biomedical Materials and Devices, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, New South Wales, Australia
- ARC Research Hub for Integrated Device for End-user Analysis at Low-levels (IDEAL), Faculty of Science, University of Technology Sydney, New South Wales, Australia
| | - Olga Shimoni
- Institute for Biomedical Materials and Devices, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, New South Wales, Australia
- ARC Research Hub for Integrated Device for End-user Analysis at Low-levels (IDEAL), Faculty of Science, University of Technology Sydney, New South Wales, Australia
| | - Guan Huang
- Institute for Biomedical Materials and Devices, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, New South Wales, Australia
| | - Shihui Wen
- Institute for Biomedical Materials and Devices, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, New South Wales, Australia
- ARC Research Hub for Integrated Device for End-user Analysis at Low-levels (IDEAL), Faculty of Science, University of Technology Sydney, New South Wales, Australia
| | - Jiayan Liao
- Institute for Biomedical Materials and Devices, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, New South Wales, Australia
- ARC Research Hub for Integrated Device for End-user Analysis at Low-levels (IDEAL), Faculty of Science, University of Technology Sydney, New South Wales, Australia
| | - Hien T T Duong
- The School of Pharmacy, The University of Sydney, New South Wales, Australia
| | - Mahnaz Maddahfar
- Institute for Biomedical Materials and Devices, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, New South Wales, Australia
| | - Qian Peter Su
- Institute for Biomedical Materials and Devices, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, New South Wales, Australia
| | - David Gallego Ortega
- ARC Research Hub for Integrated Device for End-user Analysis at Low-levels (IDEAL), Faculty of Science, University of Technology Sydney, New South Wales, Australia
- School of Biomedical Engineering, Faculty of Engineering and IT, University of Technology Sydney, Ultimo, New South Wales, Australia
| | - Yanling Lu
- ARC Research Hub for Integrated Device for End-user Analysis at Low-levels (IDEAL), Faculty of Science, University of Technology Sydney, New South Wales, Australia
- Minomic International Ltd, Macquarie Park, New South Wales, Australia
| | - Douglas H Campbell
- ARC Research Hub for Integrated Device for End-user Analysis at Low-levels (IDEAL), Faculty of Science, University of Technology Sydney, New South Wales, Australia
- Minomic International Ltd, Macquarie Park, New South Wales, Australia
| | - Bradley J Walsh
- ARC Research Hub for Integrated Device for End-user Analysis at Low-levels (IDEAL), Faculty of Science, University of Technology Sydney, New South Wales, Australia
- Minomic International Ltd, Macquarie Park, New South Wales, Australia
| | - Dayong Jin
- Institute for Biomedical Materials and Devices, School of Mathematical and Physical Sciences, Faculty of Science, University of Technology Sydney, New South Wales, Australia
- ARC Research Hub for Integrated Device for End-user Analysis at Low-levels (IDEAL), Faculty of Science, University of Technology Sydney, New South Wales, Australia
- UTS-SUStech Joint Research Centre for Biomedical Materials & Devices, Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, China
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24
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Ferrera-González J, Francés-Soriano L, Estébanez N, Navarro-Raga E, González-Béjar M, Pérez-Prieto J. NIR laser scanning microscopy for photophysical characterization of upconversion nanoparticles and nanohybrids. NANOSCALE 2021; 13:10067-10080. [PMID: 34042932 DOI: 10.1039/d1nr00389e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Photophysical characterization of upconversion nanoparticles (UCNPs) and nanohybrids (UCNHs) is more challenging than that of down-conversion nanomaterials. Moreover, it is still difficult to gain knowledge about the homogeneity of the sample and colocalization of emissive chromophores and nanoparticles in nanohybrids. Near infrared laser scanning microscopy (NIR-LSM) is a well-known and useful imaging technique, which enables excitation in the NIR region and has been extensively applied to optical fluorescence imaging of organic fluorophores and nanomaterials, such as quantum dots, which exhibit a short-lived emission. NIR-LSM has recently been used to determine the empirical emission lifetime of UCNPs, thus extending its application range to nanomaterials with a long lifetime emission. Here, we review our previous findings and include new measurements and samples to fully address the potential of this technique. NIR-LSM has proved to be extraordinarily useful not only for photophysical characterization of UCNHs consisting of UCNPs capped with a fluorophore to easily visualize the occurrence of the resonance energy transfer process between the UCNH constituents and their homogeneity, but also to assess the colocalization of the fluorophore and the UCNP in the UCNH; all this information can be acquired on the micro-/nano-meter scale by just taking one image.
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Affiliation(s)
- Juan Ferrera-González
- Instituto de Ciencia Molecular (ICMol), Departamento de Química Orgánica, University of Valencia, C/Catedrático José Beltrán, 2, Paterna, Valencia 46980, Spain.
| | - Laura Francés-Soriano
- Instituto de Ciencia Molecular (ICMol), Departamento de Química Orgánica, University of Valencia, C/Catedrático José Beltrán, 2, Paterna, Valencia 46980, Spain. and nanoFRET.com, Laboratoire COBRA (Chimie Organique, Bioorganique, Réactivité et Analyse), Université de Rouen Normandie, CNRS, INSA, 76821 Mont-Saint-Aignan Cedex, France
| | - Nestor Estébanez
- Instituto de Ciencia Molecular (ICMol), Departamento de Química Orgánica, University of Valencia, C/Catedrático José Beltrán, 2, Paterna, Valencia 46980, Spain.
| | - Enrique Navarro-Raga
- Servicio Central de Soporte a la Investigación Experimental (SCSIE). University of Valencia, Burjassot, Valencia 46100, Spain
| | - María González-Béjar
- Instituto de Ciencia Molecular (ICMol), Departamento de Química Orgánica, University of Valencia, C/Catedrático José Beltrán, 2, Paterna, Valencia 46980, Spain.
| | - Julia Pérez-Prieto
- Instituto de Ciencia Molecular (ICMol), Departamento de Química Orgánica, University of Valencia, C/Catedrático José Beltrán, 2, Paterna, Valencia 46980, Spain.
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25
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Liu Y, Peng Z, Peng X, Yan W, Yang Z, Qu J. Shedding New Lights Into STED Microscopy: Emerging Nanoprobes for Imaging. Front Chem 2021; 9:641330. [PMID: 33959587 PMCID: PMC8093789 DOI: 10.3389/fchem.2021.641330] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 02/15/2021] [Indexed: 12/29/2022] Open
Abstract
First reported in 1994, stimulated emission depletion (STED) microscopy has long been regarded as a powerful tool for real-time superresolved bioimaging . However, high STED light power (101∼3 MW/cm2) is often required to achieve significant resolution improvement, which inevitably introduces phototoxicity and severe photobleaching, damaging the imaging quality, especially for long-term cases. Recently, the employment of nanoprobes (quantum dots, upconversion nanoparticles, carbon dots, polymer dots, AIE dots, etc.) in STED imaging has brought opportunities to overcoming such long-existing issues. These nanomaterials designed for STED imaging show not only lower STED power requirements but also more efficient photoluminescence (PL) and enhanced photostability than organic molecular probes. Herein, we review the recent progress in the development of nanoprobes for STED imaging, to highlight their potential in improving the long-term imaging quality of STED microscopy and broadening its application scope. We also discuss the pros and cons for specific classes of nanoprobes for STED bioimaging in detail to provide practical references for biological researchers seeking suitable imaging kits, promoting the development of relative research field.
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Affiliation(s)
| | | | - Xiao Peng
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen, China
| | - Wei Yan
- Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen, China
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26
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Dong H, Sun LD, Yan CH. Lanthanide-Doped Upconversion Nanoparticles for Super-Resolution Microscopy. Front Chem 2021; 8:619377. [PMID: 33520938 PMCID: PMC7843451 DOI: 10.3389/fchem.2020.619377] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Accepted: 12/07/2020] [Indexed: 12/26/2022] Open
Abstract
Super-resolution microscopy offers a non-invasive and real-time tool for probing the subcellular structures and activities on nanometer precision. Exploring adequate luminescent probes is a great concern for acquiring higher-resolution image. Benefiting from the atomic-like transitions among real energy levels, lanthanide-doped upconversion nanoparticles are featured by unique optical properties including excellent photostability, large anti-Stokes shifts, multicolor narrowband emissions, tunable emission lifetimes, etc. The past few years have witnessed the development of upconversion nanoparticles as probes for super-resolution imaging studies. To date, the optimal resolution reached 28 nm (λ/36) for single nanoparticles and 82 nm (λ/12) for cytoskeleton structures with upconversion nanoparticles. Compared with conventional probes such as organic dyes and quantum dots, upconversion nanoparticle-related super-resolution microscopy is still in the preliminary stage, and both opportunities and challenges exist. In this perspective article, we summarized the recent advances of upconversion nanoparticles for super-resolution microscopy and projected the future directions of this emerging field. This perspective article should be enlightening for designing efficient upconversion nanoprobes for super-resolution imaging and promote the development of upconversion nanoprobes for cell biology applications.
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Affiliation(s)
- Hao Dong
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, PKU-HKU Joint Laboratory in Rare Earth Materials and Bioinorganic Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, China
| | - Ling-Dong Sun
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, PKU-HKU Joint Laboratory in Rare Earth Materials and Bioinorganic Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, China
| | - Chun-Hua Yan
- Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, PKU-HKU Joint Laboratory in Rare Earth Materials and Bioinorganic Chemistry, College of Chemistry and Molecular Engineering, Peking University, Beijing, China.,College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, China
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27
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Lee C, Xu EZ, Liu Y, Teitelboim A, Yao K, Fernandez-Bravo A, Kotulska AM, Nam SH, Suh YD, Bednarkiewicz A, Cohen BE, Chan EM, Schuck PJ. Giant nonlinear optical responses from photon-avalanching nanoparticles. Nature 2021; 589:230-235. [PMID: 33442042 DOI: 10.1038/s41586-020-03092-9] [Citation(s) in RCA: 94] [Impact Index Per Article: 31.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Accepted: 11/17/2020] [Indexed: 01/29/2023]
Abstract
Avalanche phenomena use steeply nonlinear dynamics to generate disproportionately large responses from small perturbations, and are found in a multitude of events and materials1. Photon avalanching enables technologies such as optical phase-conjugate imaging2, infrared quantum counting3 and efficient upconverted lasing4-6. However, the photon-avalanching mechanism underlying these optical applications has been observed only in bulk materials and aggregates6,7, limiting its utility and impact. Here we report the realization of photon avalanching at room temperature in single nanostructures-small, Tm3+-doped upconverting nanocrystals-and demonstrate their use in super-resolution imaging in near-infrared spectral windows of maximal biological transparency. Avalanching nanoparticles (ANPs) can be pumped by continuous-wave lasers, and exhibit all of the defining features of photon avalanching, including clear excitation-power thresholds, exceptionally long rise time at threshold, and a dominant excited-state absorption that is more than 10,000 times larger than ground-state absorption. Beyond the avalanching threshold, ANP emission scales nonlinearly with the 26th power of the pump intensity, owing to induced positive optical feedback in each nanocrystal. This enables the experimental realization of photon-avalanche single-beam super-resolution imaging7 with sub-70-nanometre spatial resolution, achieved by using only simple scanning confocal microscopy and without any computational analysis. Pairing their steep nonlinearity with existing super-resolution techniques and computational methods8-10, ANPs enable imaging with higher resolution and at excitation intensities about 100 times lower than other probes. The low photon-avalanching threshold and excellent photostability of ANPs also suggest their utility in a diverse array of applications, including sub-wavelength imaging7,11,12 and optical and environmental sensing13-15.
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Affiliation(s)
- Changhwan Lee
- Department of Mechanical Engineering, Columbia University, New York, NY, USA
| | - Emma Z Xu
- Department of Mechanical Engineering, Columbia University, New York, NY, USA
| | - Yawei Liu
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA, USA.,State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, China
| | - Ayelet Teitelboim
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
| | - Kaiyuan Yao
- Department of Mechanical Engineering, Columbia University, New York, NY, USA
| | - Angel Fernandez-Bravo
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA, USA.,SUPA, School of Physics and Astronomy, University of St Andrews, St Andrews, UK.,Centre of Biophotonics, University of St Andrews, St Andrews, UK
| | - Agata M Kotulska
- Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Wroclaw, Poland
| | - Sang Hwan Nam
- Laboratory for Advanced Molecular Probing (LAMP), Korea Research Institute of Chemical Technology (KRICT), DaeJeon, South Korea
| | - Yung Doug Suh
- Laboratory for Advanced Molecular Probing (LAMP), Korea Research Institute of Chemical Technology (KRICT), DaeJeon, South Korea. .,School of Chemical Engineering, Sungkyunkwan University (SKKU), Suwon, South Korea.
| | - Artur Bednarkiewicz
- Institute of Low Temperature and Structure Research, Polish Academy of Sciences, Wroclaw, Poland.
| | - Bruce E Cohen
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA, USA. .,Division of Molecular Biophysics and Integrated Bioimaging, Lawrence Berkeley National Laboratory, Berkeley, CA, USA.
| | - Emory M Chan
- The Molecular Foundry, Lawrence Berkeley National Laboratory, Berkeley, CA, USA.
| | - P James Schuck
- Department of Mechanical Engineering, Columbia University, New York, NY, USA.
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28
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Cao Y, Zheng X, De Camillis S, Shi B, Piper JA, Packer NH, Lu Y. Light-Emitting Diode Excitation for Upconversion Microscopy: A Quantitative Assessment. NANO LETTERS 2020; 20:8487-8492. [PMID: 32936645 DOI: 10.1021/acs.nanolett.0c02697] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Lanthanide-based upconversion nanoparticles (UCNPs) generally require high power laser excitation. Here, we report wide-field upconversion microscopy at single-nanoparticle sensitivity using incoherent excitation of a 970 nm light-emitting diode (LED). We show that due to its broad emission spectrum, LED excitation is about 3 times less effective for UCNPs and generates high background compared to laser illumination. To counter this, we use time-gated luminescence detection to eliminate the residual background from the LED source, so that individual UCNPs with high sensitizer (Yb3+) doping and inert shell protection become clearly identified under LED excitation at 1.18 W cm-2, as confirmed by correlated electron microscopy images. Hydrophilic UCNPs are obtained by polysaccharide coating via a facile ligand exchange protocol to demonstrate imaging of cellular uptake using LED excitation. These results suggest a viable approach to bypassing the limitations associated with high-power lasers when applying UCNPs and upconversion microscopy to life science research.
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29
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De Camillis S, Ren P, Cao Y, Plöschner M, Denkova D, Zheng X, Lu Y, Piper JA. Controlling the non-linear emission of upconversion nanoparticles to enhance super-resolution imaging performance. NANOSCALE 2020; 12:20347-20355. [PMID: 33006350 DOI: 10.1039/d0nr04809g] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Upconversion nanoparticles (UCNPs) exhibit unique optical properties such as photo-emission stability, large anti-Stokes shift, and long excited-state lifetimes, allowing significant advances in a broad range of applications from biomedical sensing to super-resolution microscopy. In recent years, progress on nanoparticle synthesis led to the development of many strategies for enhancing their upconversion luminescence, focused in particular on heavy doping of lanthanide ions and core-shell structures. In this article, we investigate the non-linear emission properties of fully Yb-based core-shell UCNPs and their impact on the super-resolution performance of stimulated excitation-depletion (STED) microscopy and super-linear excitation-emission (uSEE) microscopy. Controlling the power-dependent emission curve enables us to relax constraints on the doping concentrations and to reduce the excitation power required for accessing sub-diffraction regimes. We take advantage of this feature to implement multiplexed super-resolution imaging of a two-sample mixture.
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Affiliation(s)
- Simone De Camillis
- ARC Centre of excellence for Nanoscale Biophotonics (CNBP), Department of Physics and Astronomy, Macquarie University, NSW 2109, Australia.
| | - Peng Ren
- ARC Centre of excellence for Nanoscale Biophotonics (CNBP), Department of Physics and Astronomy, Macquarie University, NSW 2109, Australia. and CNBP, School of Engineering and Physics, Macquarie University, NSW 2109, Australia.
| | - Yueying Cao
- ARC Centre of excellence for Nanoscale Biophotonics (CNBP), Department of Physics and Astronomy, Macquarie University, NSW 2109, Australia. and CNBP, Department of Molecular Sciences, Macquarie University, NSW 2109, Australia
| | - Martin Plöschner
- ARC Centre of excellence for Nanoscale Biophotonics (CNBP), Department of Physics and Astronomy, Macquarie University, NSW 2109, Australia. and School of Information Technology and Electrical Engineering, The University of Queensland, QLD 4072, Australia
| | - Denitza Denkova
- ARC Centre of excellence for Nanoscale Biophotonics (CNBP), Department of Physics and Astronomy, Macquarie University, NSW 2109, Australia. and Institute for BioEngineering of Catalonia (IBEC), 08028 Barcelona, Spain
| | - Xianlin Zheng
- ARC Centre of excellence for Nanoscale Biophotonics (CNBP), Department of Physics and Astronomy, Macquarie University, NSW 2109, Australia.
| | - Yiqing Lu
- ARC Centre of excellence for Nanoscale Biophotonics (CNBP), Department of Physics and Astronomy, Macquarie University, NSW 2109, Australia. and CNBP, School of Engineering and Physics, Macquarie University, NSW 2109, Australia.
| | - James A Piper
- ARC Centre of excellence for Nanoscale Biophotonics (CNBP), Department of Physics and Astronomy, Macquarie University, NSW 2109, Australia.
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30
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Plöschner M, Denkova D, De Camillis S, Das M, Parker LM, Zheng X, Lu Y, Ojosnegros S, Piper JA. Simultaneous super-linear excitation-emission and emission depletion allows imaging of upconversion nanoparticles with higher sub-diffraction resolution. OPTICS EXPRESS 2020; 28:24308-24326. [PMID: 32752412 DOI: 10.1364/oe.400651] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Accepted: 07/24/2020] [Indexed: 06/11/2023]
Abstract
Upconversion nanoparticles (UCNPs) are becoming increasingly popular as biological markers as they offer photo-stable imaging in the near-infrared (NIR) biological transparency window. Imaging at NIR wavelengths benefits from low auto-fluorescence background and minimal photo-damage. However, as the diffraction limit increases with the wavelength, the imaging resolution deteriorates. To address this limitation, recently two independent approaches have been proposed for imaging UCNPs with sub-diffraction resolution, namely stimulated emission-depletion (STED) microscopy and super linear excitation-emission (uSEE) microscopy. Both methods are very sensitive to the UCNP composition and the imaging conditions, i.e. to the excitation and depletion power. Here, we demonstrate that the imaging conditions can be chosen in a way that activates both super-resolution regimes simultaneously when imaging NaYF4:Yb,Tm UCNPs. The combined uSEE-STED mode benefits from the advantages of both techniques, allowing for imaging with lateral resolution about six times better than the diffraction limit due to STED and simultaneous improvement of the axial resolution about twice over the diffraction limit due to uSEE. Conveniently, at certain imaging conditions, the uSEE-STED modality can achieve better resolution at four times lower laser power compared to STED mode, making the method appealing for biological applications. We illustrate this by imaging UCNPs functionalized by colominic acid in fixed neuronal phenotype cells.
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31
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Hutchinson MR. Science convergence applied to psychoneuroimmunology: The future of measurement and imaging. Brain Behav Immun 2020; 88:262-269. [PMID: 32289367 DOI: 10.1016/j.bbi.2020.04.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 03/06/2020] [Accepted: 04/10/2020] [Indexed: 11/29/2022] Open
Abstract
The future of psychoneuroimmunology requires breakthrough technology discoveries. These next generation technologies need to address the unique challenges that are raised by imaging and measuring the activity of the neuroimmune interface in health and disease. The complexity of this challenge is centred around the multidimensionality of the neuroimmune system. These include novel challenges of capturing potent and rare biological signals over long times and vast anatomical distances. Here is a summary of the outcomes of the investments made by the Australian Research Council Centre of Excellence for Nanoscale BioPhotonics which was presented as part of the PNIRSAsia-Pacific symposium at the 2019 International Brain Research Organization.
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Affiliation(s)
- Mark R Hutchinson
- Adelaide Medical School, Faculty of Health Sciences, University of Adelaide, Adelaide, South Australia 5005, Australia; Australian Research Council Centre of Excellence for Nanoscale BioPhotonics, Adelaide, South Australia 5005, Australia; Institute for Photonics and Advanced Sensing, University of Adelaide, Adelaide, South Australia 5005, Australia; Robinson Research Institute, University of Adelaide, Adelaide, South Australia 5005, Australia
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